./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1686781584 <...> OINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6598] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6602 attached [pid 6601] close(3 [pid 6600] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6599] <... bpf resumed>) = 6 [pid 6602] set_robust_list(0x55558c953660, 24 [pid 6601] <... close resumed>) = 0 [pid 6600] <... bpf resumed>) = 5 [pid 6599] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program [pid 6598] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6602 [pid 6602] <... set_robust_list resumed>) = 0 [pid 6601] write(1, "executing program\n", 18 [pid 6602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6601] <... write resumed>) = 18 [pid 6598] exit_group(0 [pid 6602] <... prctl resumed>) = 0 [pid 6601] perf_event_open( [pid 6602] setpgid(0, 0 [pid 6601] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6599] <... bpf resumed>) = 7 [pid 6598] <... exit_group resumed>) = ? [pid 6600] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6602] <... setpgid resumed>) = 0 [pid 6602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6601] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6599] exit_group(0 [pid 6601] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6599] <... exit_group resumed>) = ? [pid 6602] <... openat resumed>) = 3 [pid 6601] <... bpf resumed>) = 5 [pid 6601] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6602] write(3, "1000", 4 [pid 6598] +++ exited with 0 +++ [pid 6602] <... write resumed>) = 4 [pid 6602] close(3executing program ) = 0 [pid 6602] write(1, "executing program\n", 18 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6602] <... write resumed>) = 18 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6602] perf_event_open( [pid 6601] <... bpf resumed>) = 6 [pid 6600] <... bpf resumed>) = 6 [pid 6599] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 6601] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6599, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6602] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6600] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6601] <... bpf resumed>) = 7 [pid 6602] perf_event_open( [pid 6600] <... bpf resumed>) = 7 [pid 6601] exit_group(0 [pid 6602] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6600] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6601] <... exit_group resumed>) = ? [pid 6600] <... exit_group resumed>) = ? [pid 6602] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6603 attached [pid 6602] <... bpf resumed>) = 5 [pid 6601] +++ exited with 0 +++ [pid 6603] set_robust_list(0x55558c953660, 24 [pid 6602] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6603 ./strace-static-x86_64: Process 6604 attached [pid 6603] <... set_robust_list resumed>) = 0 [pid 6600] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6601, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6604] set_robust_list(0x55558c953660, 24 [pid 6603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6604 [pid 6604] <... set_robust_list resumed>) = 0 [pid 6603] <... prctl resumed>) = 0 [pid 6602] <... bpf resumed>) = 6 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6603] setpgid(0, 0 [pid 6602] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6604] <... prctl resumed>) = 0 [pid 6603] <... setpgid resumed>) = 0 [pid 6604] setpgid(0, 0 [pid 6603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6602] <... bpf resumed>) = 7 [pid 6604] <... setpgid resumed>) = 0 [pid 6603] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6603] write(3, "1000", 4 [pid 6602] exit_group(0 [pid 6604] <... openat resumed>) = 3 [pid 6603] <... write resumed>) = 4 ./strace-static-x86_64: Process 6605 attached [pid 6603] close(3 [pid 6602] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6606 attached [pid 6605] set_robust_list(0x55558c953660, 24 [pid 6604] write(3, "1000", 4 [pid 6603] <... close resumed>) = 0 [pid 6605] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6605 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6606 [pid 6604] <... write resumed>) = 4 [pid 6605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 6606] set_robust_list(0x55558c953660, 24 [pid 6605] setpgid(0, 0 [pid 6603] write(1, "executing program\n", 18 [pid 6606] <... set_robust_list resumed>) = 0 [pid 6605] <... setpgid resumed>) = 0 [pid 6603] <... write resumed>) = 18 [pid 6606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6603] perf_event_open( [pid 6604] close(3 [pid 6606] <... prctl resumed>) = 0 [pid 6605] <... openat resumed>) = 3 [pid 6604] <... close resumed>) = 0 executing program [pid 6606] setpgid(0, 0 [pid 6605] write(3, "1000", 4 [pid 6604] write(1, "executing program\n", 18 [pid 6606] <... setpgid resumed>) = 0 [pid 6606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6605] <... write resumed>) = 4 [pid 6604] <... write resumed>) = 18 [pid 6606] <... openat resumed>) = 3 [pid 6605] close(3 [pid 6606] write(3, "1000", 4 [pid 6604] perf_event_open( [pid 6605] <... close resumed>) = 0 [pid 6606] <... write resumed>) = 4 [pid 6606] close(3) = 0 [pid 6605] write(1, "executing program\n", 18 [pid 6604] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6603] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6602] +++ exited with 0 +++ [pid 6606] write(1, "executing program\n", 18executing program [pid 6605] <... write resumed>) = 18 executing program [pid 6603] perf_event_open( [pid 6606] <... write resumed>) = 18 [pid 6604] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6606] perf_event_open( [pid 6605] perf_event_open( [pid 6604] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6603] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6606] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6605] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6604] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6606] perf_event_open( [pid 6605] perf_event_open( [pid 6603] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6606] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6605] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6604] <... bpf resumed>) = 5 [pid 6603] <... bpf resumed>) = 5 [pid 6606] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6605] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6604] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6606] <... bpf resumed>) = 5 [pid 6605] <... bpf resumed>) = 5 [pid 6603] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6606] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6605] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6604] <... bpf resumed>) = 6 [pid 6605] <... bpf resumed>) = 6 [pid 6604] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6603] <... bpf resumed>) = 6 [pid 6604] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 6607 attached [pid 6606] <... bpf resumed>) = 6 [pid 6605] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6603] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6604] exit_group(0 [pid 6607] set_robust_list(0x55558c953660, 24 [pid 6606] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6603] <... bpf resumed>) = 7 [pid 6605] <... bpf resumed>) = 7 [pid 6604] <... exit_group resumed>) = ? [pid 6607] <... set_robust_list resumed>) = 0 [pid 6603] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6607 [pid 6607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6606] <... bpf resumed>) = 7 [pid 6607] <... prctl resumed>) = 0 [pid 6603] <... exit_group resumed>) = ? [pid 6607] setpgid(0, 0 [pid 6606] exit_group(0 [pid 6605] exit_group(0 [pid 6604] +++ exited with 0 +++ [pid 6603] +++ exited with 0 +++ [pid 6607] <... setpgid resumed>) = 0 [pid 6606] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6604, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6605] <... exit_group resumed>) = ? [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6607] <... openat resumed>) = 3 [pid 6607] write(3, "1000", 4) = 4 [pid 6607] close(3 [pid 6605] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 executing program [pid 5868] <... restart_syscall resumed>) = 0 [pid 6607] <... close resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6607] write(1, "executing program\n", 18) = 18 [pid 6607] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6608 attached [pid 6608] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 6610 attached ./strace-static-x86_64: Process 6609 attached [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6608 [pid 6610] set_robust_list(0x55558c953660, 24 [pid 6609] set_robust_list(0x55558c953660, 24 [pid 6608] <... set_robust_list resumed>) = 0 [pid 6610] <... set_robust_list resumed>) = 0 [pid 6609] <... set_robust_list resumed>) = 0 [pid 6608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6609 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6610 [pid 6610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6608] <... prctl resumed>) = 0 [pid 6610] <... prctl resumed>) = 0 [pid 6609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6608] setpgid(0, 0 [pid 6610] setpgid(0, 0 [pid 6609] <... prctl resumed>) = 0 [pid 6610] <... setpgid resumed>) = 0 [pid 6609] setpgid(0, 0 [pid 6608] <... setpgid resumed>) = 0 [pid 6610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6609] <... setpgid resumed>) = 0 [pid 6608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6610] <... openat resumed>) = 3 [pid 6610] write(3, "1000", 4) = 4 [pid 6610] close(3 [pid 6609] <... openat resumed>) = 3 [pid 6608] <... openat resumed>) = 3 [pid 6610] <... close resumed>) = 0 executing program [pid 6610] write(1, "executing program\n", 18 [pid 6609] write(3, "1000", 4 [pid 6610] <... write resumed>) = 18 [pid 6610] perf_event_open( [pid 6609] <... write resumed>) = 4 [pid 6608] write(3, "1000", 4) = 4 [pid 6608] close(3 [pid 6609] close(3) = 0 [pid 6608] <... close resumed>) = 0 executing program executing program [pid 6609] write(1, "executing program\n", 18) = 18 [pid 6608] write(1, "executing program\n", 18) = 18 [pid 6609] perf_event_open( [pid 6608] perf_event_open( [pid 6610] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6608] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6607] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6606] +++ exited with 0 +++ [pid 6609] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6608] perf_event_open( [pid 6609] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6610] perf_event_open( [pid 6607] perf_event_open( [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6610] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6609] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6608] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6607] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6610] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6608] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6610] <... bpf resumed>) = 5 [pid 6609] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6610] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6608] <... bpf resumed>) = 5 [pid 6609] <... bpf resumed>) = 5 [pid 6607] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 6610] <... bpf resumed>) = 6 [pid 6607] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6610] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6608] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6607] <... bpf resumed>) = 6 [pid 6607] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6610] <... bpf resumed>) = 7 [pid 6609] <... bpf resumed>) = 6 [pid 6608] <... bpf resumed>) = 6 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6610] exit_group(0 [pid 6608] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6607] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 6611 attached [pid 6609] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6608] <... bpf resumed>) = 7 [pid 6611] set_robust_list(0x55558c953660, 24) = 0 [pid 6609] <... bpf resumed>) = 7 [pid 6609] exit_group(0 [pid 6611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6608] exit_group(0 [pid 6610] <... exit_group resumed>) = ? [pid 6607] exit_group(0 [pid 6611] <... prctl resumed>) = 0 [pid 6609] <... exit_group resumed>) = ? [pid 6608] <... exit_group resumed>) = ? [pid 6607] <... exit_group resumed>) = ? [pid 6611] setpgid(0, 0 [pid 6610] +++ exited with 0 +++ [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6611 [pid 6611] <... setpgid resumed>) = 0 [pid 6611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6611] <... openat resumed>) = 3 [pid 6609] +++ exited with 0 +++ [pid 6611] write(3, "1000", 4 [pid 6607] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6611] <... write resumed>) = 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6611] close(3 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6607, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6611] <... close resumed>) = 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6612 attached [pid 6611] write(1, "executing program\n", 18) = 18 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6612 [pid 6612] set_robust_list(0x55558c953660, 24 [pid 6611] perf_event_open( [pid 5875] <... restart_syscall resumed>) = 0 [pid 6612] <... set_robust_list resumed>) = 0 [pid 6612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6612] setpgid(0, 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6612] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6613 attached [pid 6612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6613] set_robust_list(0x55558c953660, 24 [pid 6612] write(3, "1000", 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6613 ./strace-static-x86_64: Process 6614 attached [pid 6613] <... set_robust_list resumed>) = 0 [pid 6612] <... write resumed>) = 4 [pid 6613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6612] close(3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6614 [pid 6612] <... close resumed>) = 0 [pid 6612] write(1, "executing program\n", 18 [pid 6613] <... prctl resumed>) = 0 [pid 6612] <... write resumed>) = 18 executing program [pid 6613] setpgid(0, 0 [pid 6614] set_robust_list(0x55558c953660, 24 [pid 6612] perf_event_open( [pid 6613] <... setpgid resumed>) = 0 [pid 6613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6614] <... set_robust_list resumed>) = 0 [pid 6613] <... openat resumed>) = 3 [pid 6614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6613] write(3, "1000", 4) = 4 [pid 6613] close(3 [pid 6614] <... prctl resumed>) = 0 [pid 6613] <... close resumed>) = 0 [pid 6613] write(1, "executing program\n", 18 [pid 6614] setpgid(0, 0executing program [pid 6613] <... write resumed>) = 18 [pid 6614] <... setpgid resumed>) = 0 [pid 6613] perf_event_open( [pid 6614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6613] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6612] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6611] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6608] +++ exited with 0 +++ [pid 6614] write(3, "1000", 4 [pid 6613] perf_event_open( [pid 6612] perf_event_open( [pid 6611] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6614] <... write resumed>) = 4 [pid 6613] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6612] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6611] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6614] close(3 [pid 6613] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6611] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6614] <... close resumed>) = 0 executing program [pid 6612] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6614] write(1, "executing program\n", 18) = 18 [pid 6613] <... bpf resumed>) = 5 [pid 6612] <... bpf resumed>) = 5 [pid 6611] <... bpf resumed>) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6614] perf_event_open( [pid 6613] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6611] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6615 attached [pid 6614] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6612] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6613] <... bpf resumed>) = 6 [pid 6615] set_robust_list(0x55558c953660, 24) = 0 [pid 6615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6615] setpgid(0, 0) = 0 [pid 6614] perf_event_open( [pid 6613] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6612] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6615 [pid 6615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6614] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6613] <... bpf resumed>) = 7 [pid 6612] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6611] <... bpf resumed>) = 6 [pid 6614] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6612] <... bpf resumed>) = 7 executing program [pid 6615] <... openat resumed>) = 3 [pid 6615] write(3, "1000", 4) = 4 [pid 6613] exit_group(0 [pid 6615] close(3) = 0 [pid 6614] <... bpf resumed>) = 5 [pid 6615] write(1, "executing program\n", 18) = 18 [pid 6614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6613] <... exit_group resumed>) = ? [pid 6611] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6615] perf_event_open( [pid 6612] exit_group(0 [pid 6615] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6611] <... bpf resumed>) = 7 [pid 6615] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6611] exit_group(0 [pid 6615] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6614] <... bpf resumed>) = 6 [pid 6613] +++ exited with 0 +++ [pid 6612] <... exit_group resumed>) = ? [pid 6611] <... exit_group resumed>) = ? [pid 6615] <... bpf resumed>) = 5 [pid 6614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6615] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6612] +++ exited with 0 +++ [pid 6611] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6614] <... bpf resumed>) = 7 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6611, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6614] exit_group(0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6612, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6615] <... bpf resumed>) = 6 [pid 6615] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6615] <... bpf resumed>) = 7 [pid 6614] <... exit_group resumed>) = ? [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6615] exit_group(0./strace-static-x86_64: Process 6617 attached ./strace-static-x86_64: Process 6616 attached [pid 6614] +++ exited with 0 +++ [pid 6617] set_robust_list(0x55558c953660, 24 [pid 6616] set_robust_list(0x55558c953660, 24 [pid 6615] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6617 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6616 [pid 6617] <... set_robust_list resumed>) = 0 [pid 6616] <... set_robust_list resumed>) = 0 [pid 6617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6617] <... prctl resumed>) = 0 [pid 6616] <... prctl resumed>) = 0 [pid 6617] setpgid(0, 0 [pid 6616] setpgid(0, 0) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6617] <... setpgid resumed>) = 0 [pid 6617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6619 attached ./strace-static-x86_64: Process 6618 attached [pid 6617] <... openat resumed>) = 3 [pid 6619] set_robust_list(0x55558c953660, 24 [pid 6618] set_robust_list(0x55558c953660, 24 [pid 6617] write(3, "1000", 4 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6618 [pid 6619] <... set_robust_list resumed>) = 0 [pid 6618] <... set_robust_list resumed>) = 0 [pid 6618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6617] <... write resumed>) = 4 [pid 6616] <... openat resumed>) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6619 [pid 6619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6617] close(3 [pid 6616] write(3, "1000", 4 executing program [pid 6618] <... prctl resumed>) = 0 [pid 6617] <... close resumed>) = 0 [pid 6616] <... write resumed>) = 4 [pid 6617] write(1, "executing program\n", 18 [pid 6616] close(3 [pid 6617] <... write resumed>) = 18 [pid 6616] <... close resumed>) = 0 [pid 6619] <... prctl resumed>) = 0 [pid 6618] setpgid(0, 0 [pid 6617] perf_event_open( [pid 6616] write(1, "executing program\n", 18 [pid 6619] setpgid(0, 0 [pid 6618] <... setpgid resumed>) = 0 executing program [pid 6619] <... setpgid resumed>) = 0 [pid 6618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6616] <... write resumed>) = 18 [pid 6619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6618] <... openat resumed>) = 3 [pid 6616] perf_event_open( [pid 6619] <... openat resumed>) = 3 [pid 6618] write(3, "1000", 4 [pid 6617] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6616] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6615] +++ exited with 0 +++ [pid 6618] <... write resumed>) = 4 [pid 6619] write(3, "1000", 4 [pid 6618] close(3 [pid 6617] perf_event_open( [pid 6616] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6615, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6619] <... write resumed>) = 4 [pid 6618] <... close resumed>) = 0 [pid 6617] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6619] close(3 [pid 6618] write(1, "executing program\n", 18 [pid 6616] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program executing program [pid 6618] <... write resumed>) = 18 [pid 6619] <... close resumed>) = 0 [pid 6619] write(1, "executing program\n", 18) = 18 [pid 6619] perf_event_open( [pid 6618] perf_event_open( [pid 6616] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6619] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6618] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6617] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6616] <... bpf resumed>) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6618] perf_event_open( [pid 6616] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6620 attached [pid 6619] perf_event_open( [pid 6618] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6617] <... bpf resumed>) = 5 [pid 6618] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6617] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6620] set_robust_list(0x55558c953660, 24 [pid 6619] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6618] <... bpf resumed>) = 5 [pid 6617] <... bpf resumed>) = 6 [pid 6616] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6620 [pid 6620] <... set_robust_list resumed>) = 0 [pid 6619] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 6618] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6617] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6616] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6619] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6620] <... prctl resumed>) = 0 [pid 6618] <... bpf resumed>) = 6 [pid 6617] <... bpf resumed>) = 7 [pid 6616] <... bpf resumed>) = 7 [pid 6620] setpgid(0, 0) = 0 [pid 6620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6619] <... bpf resumed>) = 6 [pid 6618] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6617] exit_group(0 [pid 6616] exit_group(0 [pid 6620] <... openat resumed>) = 3 [pid 6619] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6618] <... bpf resumed>) = 7 [pid 6617] <... exit_group resumed>) = ? [pid 6616] <... exit_group resumed>) = ? [pid 6620] write(3, "1000", 4 [pid 6619] <... bpf resumed>) = 7 [pid 6618] exit_group(0 [pid 6620] <... write resumed>) = 4 [pid 6619] exit_group(0 [pid 6618] <... exit_group resumed>) = ? [pid 6617] +++ exited with 0 +++ [pid 6616] +++ exited with 0 +++ [pid 6620] close(3executing program ) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6620] write(1, "executing program\n", 18 [pid 6619] <... exit_group resumed>) = ? [pid 6620] <... write resumed>) = 18 [pid 6620] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6620] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6620] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6619] +++ exited with 0 +++ [pid 6620] <... bpf resumed>) = 5 [pid 6618] +++ exited with 0 +++ [pid 5868] <... restart_syscall resumed>) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6620] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6621 attached ./strace-static-x86_64: Process 6622 attached [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6623 attached [pid 6622] set_robust_list(0x55558c953660, 24 [pid 6621] set_robust_list(0x55558c953660, 24 [pid 6620] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6622 [pid 6623] set_robust_list(0x55558c953660, 24 [pid 6622] <... set_robust_list resumed>) = 0 [pid 6621] <... set_robust_list resumed>) = 0 [pid 6623] <... set_robust_list resumed>) = 0 [pid 6622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6621 [pid 6623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6622] <... prctl resumed>) = 0 [pid 6621] <... prctl resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6623 [pid 6622] setpgid(0, 0 [pid 6621] setpgid(0, 0 [pid 6622] <... setpgid resumed>) = 0 [pid 6621] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6624 attached [pid 6622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6624] set_robust_list(0x55558c953660, 24 [pid 6623] <... prctl resumed>) = 0 [pid 6622] <... openat resumed>) = 3 [pid 6621] <... openat resumed>) = 3 [pid 6620] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6624] <... set_robust_list resumed>) = 0 [pid 6623] setpgid(0, 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6624 [pid 6623] <... setpgid resumed>) = 0 [pid 6623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6622] write(3, "1000", 4 [pid 6621] write(3, "1000", 4 [pid 6624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6623] <... openat resumed>) = 3 [pid 6622] <... write resumed>) = 4 [pid 6621] <... write resumed>) = 4 [pid 6622] close(3 [pid 6621] close(3executing program executing program [pid 6624] <... prctl resumed>) = 0 [pid 6622] <... close resumed>) = 0 [pid 6621] <... close resumed>) = 0 [pid 6620] <... bpf resumed>) = 7 [pid 6624] setpgid(0, 0 [pid 6623] write(3, "1000", 4 [pid 6622] write(1, "executing program\n", 18 [pid 6621] write(1, "executing program\n", 18 [pid 6624] <... setpgid resumed>) = 0 [pid 6623] <... write resumed>) = 4 [pid 6622] <... write resumed>) = 18 [pid 6621] <... write resumed>) = 18 [pid 6620] exit_group(0 [pid 6624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6623] close(3 [pid 6622] perf_event_open( [pid 6621] perf_event_open( [pid 6623] <... close resumed>) = 0 executing program [pid 6623] write(1, "executing program\n", 18 [pid 6622] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6624] <... openat resumed>) = 3 [pid 6623] <... write resumed>) = 18 [pid 6621] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6620] <... exit_group resumed>) = ? [pid 6623] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6622] perf_event_open( [pid 6621] perf_event_open( [pid 6623] perf_event_open( [pid 6624] write(3, "1000", 4 [pid 6622] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6621] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6620] +++ exited with 0 +++ [pid 6624] <... write resumed>) = 4 [pid 6623] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6622] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6621] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6624] close(3 [pid 6623] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6624] <... close resumed>) = 0 [pid 6622] <... bpf resumed>) = 5 [pid 6621] <... bpf resumed>) = 5 [pid 6623] <... bpf resumed>) = 5 [pid 6624] write(1, "executing program\n", 18 executing program [pid 6622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6621] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6624] <... write resumed>) = 18 [pid 6623] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6622] <... bpf resumed>) = 6 [pid 6624] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6622] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6625 attached [pid 6624] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6623] <... bpf resumed>) = 6 [pid 6622] <... bpf resumed>) = 7 [pid 6621] <... bpf resumed>) = 6 [pid 6625] set_robust_list(0x55558c953660, 24) = 0 [pid 6623] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6624] perf_event_open( [pid 6623] <... bpf resumed>) = 7 [pid 6622] exit_group(0 [pid 6621] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6625 [pid 6625] <... prctl resumed>) = 0 [pid 6625] setpgid(0, 0 [pid 6624] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6625] <... setpgid resumed>) = 0 [pid 6625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6624] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6623] exit_group(0 [pid 6622] <... exit_group resumed>) = ? [pid 6621] <... bpf resumed>) = 7 [pid 6623] <... exit_group resumed>) = ? [pid 6625] <... openat resumed>) = 3 [pid 6624] <... bpf resumed>) = 5 [pid 6622] +++ exited with 0 +++ [pid 6621] exit_group(0 [pid 6625] write(3, "1000", 4 [pid 6624] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6621] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6625] <... write resumed>) = 4 [pid 6624] <... bpf resumed>) = 6 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6625] close(3 [pid 6621] +++ exited with 0 +++ executing program [pid 6625] <... close resumed>) = 0 [pid 6625] write(1, "executing program\n", 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6621, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6625] <... write resumed>) = 18 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6623] +++ exited with 0 +++ [pid 6624] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6625] perf_event_open( [pid 5872] <... restart_syscall resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6625] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6624] <... bpf resumed>) = 7 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6625] perf_event_open( [pid 6624] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6625] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6625] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6626 attached [pid 6624] <... exit_group resumed>) = ? [pid 5868] <... restart_syscall resumed>) = 0 [pid 6625] <... bpf resumed>) = 5 [pid 6626] set_robust_list(0x55558c953660, 24 [pid 6625] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6626 [pid 6626] <... set_robust_list resumed>) = 0 [pid 6625] <... bpf resumed>) = 6 [pid 6624] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6625] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6624, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6625] <... bpf resumed>) = 7 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6626] <... prctl resumed>) = 0 [pid 6625] exit_group(0./strace-static-x86_64: Process 6627 attached [pid 6626] setpgid(0, 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6625] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6627 [pid 6626] <... setpgid resumed>) = 0 [pid 6627] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 6629 attached ./strace-static-x86_64: Process 6628 attached [pid 6626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6628] set_robust_list(0x55558c953660, 24) = 0 [pid 6629] set_robust_list(0x55558c953660, 24 [pid 6628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6629] <... set_robust_list resumed>) = 0 [pid 6629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6628] <... prctl resumed>) = 0 [pid 6627] <... set_robust_list resumed>) = 0 [pid 6626] <... openat resumed>) = 3 [pid 6628] setpgid(0, 0 [pid 6629] <... prctl resumed>) = 0 [pid 6628] <... setpgid resumed>) = 0 [pid 6629] setpgid(0, 0 [pid 6628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6629] <... setpgid resumed>) = 0 [pid 6629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6628] <... openat resumed>) = 3 [pid 6627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6626] write(3, "1000", 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6628 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6629 [pid 6627] <... prctl resumed>) = 0 [pid 6626] <... write resumed>) = 4 [pid 6626] close(3 [pid 6629] <... openat resumed>) = 3 [pid 6628] write(3, "1000", 4 [pid 6627] setpgid(0, 0 [pid 6626] <... close resumed>) = 0 [pid 6629] write(3, "1000", 4 [pid 6627] <... setpgid resumed>) = 0 [pid 6626] write(1, "executing program\n", 18executing program [pid 6629] <... write resumed>) = 4 [pid 6628] <... write resumed>) = 4 [pid 6626] <... write resumed>) = 18 [pid 6629] close(3) = 0 [pid 6626] perf_event_open( [pid 6629] write(1, "executing program\n", 18 [pid 6628] close(3 [pid 6627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6628] <... close resumed>) = 0 executing program [pid 6629] <... write resumed>) = 18 [pid 6629] perf_event_open( [pid 6627] <... openat resumed>) = 3 executing program [pid 6629] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6628] write(1, "executing program\n", 18 [pid 6626] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6625] +++ exited with 0 +++ [pid 6627] write(3, "1000", 4 [pid 6628] <... write resumed>) = 18 [pid 6626] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6625, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6629] perf_event_open( [pid 6628] perf_event_open( [pid 6629] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6627] <... write resumed>) = 4 [pid 6626] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6628] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6629] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6628] perf_event_open( [pid 6627] close(3 [pid 6626] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6627] <... close resumed>) = 0 [pid 6629] <... bpf resumed>) = 5 [pid 6629] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 6627] write(1, "executing program\n", 18 [pid 6628] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6627] <... write resumed>) = 18 [pid 6626] <... bpf resumed>) = 5 [pid 6627] perf_event_open( [pid 6629] <... bpf resumed>) = 6 [pid 6627] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6626] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6629] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6628] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6627] perf_event_open( [pid 6629] <... bpf resumed>) = 7 [pid 6629] exit_group(0 [pid 6628] <... bpf resumed>) = 5 [pid 6627] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6626] <... bpf resumed>) = 6 [pid 6628] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6629] <... exit_group resumed>) = ? [pid 6627] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6626] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6629] +++ exited with 0 +++ [pid 6627] <... bpf resumed>) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6628] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6630 attached [pid 6627] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6626] <... bpf resumed>) = 7 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6630] set_robust_list(0x55558c953660, 24 [pid 6628] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6630] <... set_robust_list resumed>) = 0 [pid 6628] <... bpf resumed>) = 7 [pid 6630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6630] setpgid(0, 0 [pid 6628] exit_group(0 [pid 6627] <... bpf resumed>) = 6 [pid 6626] exit_group(0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6630 [pid 6630] <... setpgid resumed>) = 0 [pid 6628] <... exit_group resumed>) = ? [pid 6627] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6626] <... exit_group resumed>) = ? [pid 6630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6627] <... bpf resumed>) = 7 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6627] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6631 [pid 6627] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6631 attached [pid 6630] <... openat resumed>) = 3 [pid 6628] +++ exited with 0 +++ [pid 6626] +++ exited with 0 +++ [pid 6631] set_robust_list(0x55558c953660, 24 [pid 6630] write(3, "1000", 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6631] <... set_robust_list resumed>) = 0 [pid 6630] <... write resumed>) = 4 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6630] close(3 [pid 6631] <... prctl resumed>) = 0 [pid 6630] <... close resumed>) = 0 [pid 6631] setpgid(0, 0 executing program [pid 6630] write(1, "executing program\n", 18 [pid 6631] <... setpgid resumed>) = 0 [pid 6630] <... write resumed>) = 18 [pid 6630] perf_event_open( [pid 6631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6631] write(3, "1000", 4) = 4 [pid 6631] close(3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6631] <... close resumed>) = 0 ./strace-static-x86_64: Process 6632 attached executing program [pid 6631] write(1, "executing program\n", 18 [pid 6630] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6631] <... write resumed>) = 18 [pid 6630] perf_event_open(./strace-static-x86_64: Process 6633 attached [pid 6631] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6632 [pid 6633] set_robust_list(0x55558c953660, 24 [pid 6631] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6630] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6633 [pid 6632] set_robust_list(0x55558c953660, 24 [pid 6627] +++ exited with 0 +++ [pid 6632] <... set_robust_list resumed>) = 0 [pid 6631] perf_event_open( [pid 6632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6631] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6633] <... set_robust_list resumed>) = 0 [pid 6630] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6632] <... prctl resumed>) = 0 [pid 6631] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6633] <... prctl resumed>) = 0 [pid 6632] setpgid(0, 0 [pid 6631] <... bpf resumed>) = 5 [pid 6630] <... bpf resumed>) = 5 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6633] setpgid(0, 0 [pid 6632] <... setpgid resumed>) = 0 [pid 6633] <... setpgid resumed>) = 0 [pid 6632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6631] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6632] <... openat resumed>) = 3 [pid 6630] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6633] <... openat resumed>) = 3 [pid 6632] write(3, "1000", 4 [pid 6631] <... bpf resumed>) = 6 [pid 6630] <... bpf resumed>) = 6 [pid 6633] write(3, "1000", 4 [pid 6632] <... write resumed>) = 4 [pid 6632] close(3 [pid 6633] <... write resumed>) = 4 [pid 6632] <... close resumed>) = 0 [pid 6632] write(1, "executing program\n", 18executing program [pid 6633] close(3 [pid 6632] <... write resumed>) = 18 [pid 6632] perf_event_open( [pid 6633] <... close resumed>) = 0 [pid 6632] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6630] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6632] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 6634 attached [pid 6633] write(1, "executing program\n", 18 [pid 6631] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6630] <... bpf resumed>) = 7 executing program [pid 6634] set_robust_list(0x55558c953660, 24 [pid 6633] <... write resumed>) = 18 [pid 6632] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6631] <... bpf resumed>) = 7 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6634 [pid 6634] <... set_robust_list resumed>) = 0 [pid 6633] perf_event_open( [pid 6632] <... bpf resumed>) = 5 [pid 6630] exit_group(0 [pid 6631] exit_group(0 [pid 6634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6632] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6634] <... prctl resumed>) = 0 [pid 6633] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6630] <... exit_group resumed>) = ? [pid 6634] setpgid(0, 0 [pid 6631] <... exit_group resumed>) = ? [pid 6631] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6631, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6633] perf_event_open( [pid 6634] <... setpgid resumed>) = 0 [pid 6632] <... bpf resumed>) = 6 [pid 6630] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 6633] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6633] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6632] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6634] <... openat resumed>) = 3 [pid 6633] <... bpf resumed>) = 5 [pid 6632] <... bpf resumed>) = 7 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6634] write(3, "1000", 4 [pid 6633] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6632] exit_group(0./strace-static-x86_64: Process 6635 attached [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6634] <... write resumed>) = 4 [pid 6635] set_robust_list(0x55558c953660, 24) = 0 [pid 6632] <... exit_group resumed>) = ? [pid 6635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6634] close(3 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6635 [pid 6635] <... prctl resumed>) = 0 [pid 6635] setpgid(0, 0) = 0 [pid 6635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6636 attached ) = 3 [pid 6636] set_robust_list(0x55558c953660, 24 [pid 6632] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6636 [pid 6636] <... set_robust_list resumed>) = 0 [pid 6636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6635] write(3, "1000", 4) = 4 [pid 6636] <... prctl resumed>) = 0 [pid 6635] close(3 [pid 6636] setpgid(0, 0 [pid 6635] <... close resumed>) = 0 [pid 6634] <... close resumed>) = 0 [pid 6633] <... bpf resumed>) = 6 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6632, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...>) = 0 executing program [pid 6636] <... setpgid resumed>) = 0 [pid 6635] write(1, "executing program\n", 18 executing program [pid 6634] write(1, "executing program\n", 18 [pid 6633] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6635] <... write resumed>) = 18 [pid 6634] <... write resumed>) = 18 [pid 6636] <... openat resumed>) = 3 [pid 6635] perf_event_open( [pid 6634] perf_event_open( [pid 6633] <... bpf resumed>) = 7 [pid 6636] write(3, "1000", 4 [pid 6635] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6635] perf_event_open( [pid 6633] exit_group(0) = ? ./strace-static-x86_64: Process 6637 attached [pid 6636] <... write resumed>) = 4 [pid 6635] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6634] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6636] close(3 [pid 6637] set_robust_list(0x55558c953660, 24 [pid 6635] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6634] perf_event_open( [pid 6637] <... set_robust_list resumed>) = 0 [pid 6635] <... bpf resumed>) = 5 [pid 6634] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6635] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6637] <... prctl resumed>) = 0 [pid 6636] <... close resumed>) = 0 executing program [pid 6634] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6633] +++ exited with 0 +++ [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6637 [pid 6636] write(1, "executing program\n", 18) = 18 [pid 6636] perf_event_open( [pid 6637] setpgid(0, 0 [pid 6636] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6634] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6637] <... setpgid resumed>) = 0 [pid 6636] perf_event_open( [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6636] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6635] <... bpf resumed>) = 6 [pid 6634] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6638 attached [pid 6637] <... openat resumed>) = 3 [pid 6636] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6635] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6638] set_robust_list(0x55558c953660, 24 [pid 6636] <... bpf resumed>) = 5 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6638 [pid 6638] <... set_robust_list resumed>) = 0 [pid 6636] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6634] <... bpf resumed>) = 6 [pid 6637] write(3, "1000", 4 [pid 6638] <... prctl resumed>) = 0 [pid 6637] <... write resumed>) = 4 [pid 6635] <... bpf resumed>) = 7 [pid 6634] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6638] setpgid(0, 0 [pid 6637] close(3 [pid 6635] exit_group(0 [pid 6638] <... setpgid resumed>) = 0 [pid 6637] <... close resumed>) = 0 [pid 6636] <... bpf resumed>) = 6 [pid 6635] <... exit_group resumed>) = ? [pid 6634] <... bpf resumed>) = 7 [pid 6638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6637] write(1, "executing program\n", 18 [pid 6636] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6634] exit_group(0 [pid 6638] <... openat resumed>) = 3 [pid 6637] <... write resumed>) = 18 [pid 6636] <... bpf resumed>) = 7 [pid 6637] perf_event_open( [pid 6634] <... exit_group resumed>) = ? [pid 6635] +++ exited with 0 +++ [pid 6637] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6636] exit_group(0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6636] <... exit_group resumed>) = ? [pid 6638] write(3, "1000", 4 [pid 6637] perf_event_open( [pid 6638] <... write resumed>) = 4 [pid 6637] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6638] close(3 [pid 6637] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6638] <... close resumed>) = 0 [pid 6637] <... bpf resumed>) = 5 [pid 6638] write(1, "executing program\n", 18 [pid 6637] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6634] +++ exited with 0 +++ executing program [pid 6638] <... write resumed>) = 18 [pid 6636] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6634, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6638] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6636, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6638] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6638] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6637] <... bpf resumed>) = 6 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6639 attached [pid 6637] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6638] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6640 attached [pid 6639] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6639 [pid 6640] set_robust_list(0x55558c953660, 24 [pid 6639] <... set_robust_list resumed>) = 0 [pid 6637] <... bpf resumed>) = 7 [pid 6640] <... set_robust_list resumed>) = 0 [pid 6639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6639] <... prctl resumed>) = 0 [pid 6639] setpgid(0, 0./strace-static-x86_64: Process 6641 attached ) = 0 [pid 6638] <... bpf resumed>) = 5 [pid 6637] exit_group(0 [pid 6640] <... prctl resumed>) = 0 [pid 6639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6640] setpgid(0, 0) = 0 [pid 6640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6641] set_robust_list(0x55558c953660, 24 [pid 6639] <... openat resumed>) = 3 [pid 6638] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6637] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6640 [pid 6641] <... set_robust_list resumed>) = 0 [pid 6640] <... openat resumed>) = 3 [pid 6639] write(3, "1000", 4 [pid 6641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6639] <... write resumed>) = 4 [pid 6641] <... prctl resumed>) = 0 [pid 6640] write(3, "1000", 4 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6641 [pid 6639] close(3 [pid 6641] setpgid(0, 0 [pid 6640] <... write resumed>) = 4 [pid 6641] <... setpgid resumed>) = 0 [pid 6640] close(3 [pid 6639] <... close resumed>) = 0 executing program [pid 6640] <... close resumed>) = 0 [pid 6639] write(1, "executing program\n", 18executing program [pid 6641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6640] write(1, "executing program\n", 18 [pid 6639] <... write resumed>) = 18 [pid 6637] +++ exited with 0 +++ [pid 6638] <... bpf resumed>) = 6 [pid 6640] <... write resumed>) = 18 [pid 6639] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6637, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6640] perf_event_open( [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6639] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6638] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6641] <... openat resumed>) = 3 [pid 6641] write(3, "1000", 4 [pid 6639] perf_event_open( [pid 6640] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6638] <... bpf resumed>) = 7 [pid 6640] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6639] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6640] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6641] <... write resumed>) = 4 [pid 6639] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6638] exit_group(0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6640] <... bpf resumed>) = 5 [pid 6641] close(3) = 0 [pid 6639] <... bpf resumed>) = 5 executing program [pid 6638] <... exit_group resumed>) = ? [pid 6641] write(1, "executing program\n", 18 [pid 6640] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6641] <... write resumed>) = 18 [pid 6641] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6641] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6640] <... bpf resumed>) = 6 [pid 6639] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6638] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6641] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6642 attached [pid 6640] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6639] <... bpf resumed>) = 6 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6641] <... bpf resumed>) = 5 [pid 6640] <... bpf resumed>) = 7 [pid 6639] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6642] set_robust_list(0x55558c953660, 24 [pid 6641] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6642 [pid 6642] <... set_robust_list resumed>) = 0 [pid 6641] <... bpf resumed>) = 6 [pid 6640] exit_group(0 [pid 6639] <... bpf resumed>) = 7 [pid 6642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6640] <... exit_group resumed>) = ? [pid 6641] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6642] <... prctl resumed>) = 0 [pid 6642] setpgid(0, 0 [pid 6639] exit_group(0) = ? ./strace-static-x86_64: Process 6643 attached [pid 6642] <... setpgid resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6643 [pid 6642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6643] set_robust_list(0x55558c953660, 24 [pid 6642] <... openat resumed>) = 3 [pid 6641] <... bpf resumed>) = 7 [pid 6639] +++ exited with 0 +++ [pid 6643] <... set_robust_list resumed>) = 0 [pid 6642] write(3, "1000", 4 [pid 6643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6643] <... prctl resumed>) = 0 [pid 6642] <... write resumed>) = 4 [pid 6641] exit_group(0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6643] setpgid(0, 0 [pid 6642] close(3 [pid 6641] <... exit_group resumed>) = ? [pid 5871] <... restart_syscall resumed>) = 0 [pid 6643] <... setpgid resumed>) = 0 [pid 6642] <... close resumed>) = 0 executing program [pid 6643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6642] write(1, "executing program\n", 18 [pid 6643] <... openat resumed>) = 3 [pid 6642] <... write resumed>) = 18 [pid 6642] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6643] write(3, "1000", 4 [pid 6642] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6640] +++ exited with 0 +++ ./strace-static-x86_64: Process 6644 attached [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6644 [pid 6644] set_robust_list(0x55558c953660, 24 [pid 6643] <... write resumed>) = 4 [pid 6642] perf_event_open( [pid 6644] <... set_robust_list resumed>) = 0 [pid 6643] close(3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6640, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6643] <... close resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6644] <... prctl resumed>) = 0 executing program [pid 6643] write(1, "executing program\n", 18 [pid 6644] setpgid(0, 0 [pid 6643] <... write resumed>) = 18 [pid 6643] perf_event_open( [pid 6644] <... setpgid resumed>) = 0 [pid 6644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6643] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6642] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6641] +++ exited with 0 +++ [pid 5868] <... restart_syscall resumed>) = 0 [pid 6644] write(3, "1000", 4) = 4 [pid 6643] perf_event_open( [pid 6642] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6644] close(3 [pid 6643] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6644] <... close resumed>) = 0 [pid 6643] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6642] <... bpf resumed>) = 5 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6644] write(1, "executing program\n", 18 executing program [pid 6643] <... bpf resumed>) = 5 [pid 6642] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6645 attached [pid 6644] <... write resumed>) = 18 [pid 6643] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6645] set_robust_list(0x55558c953660, 24 [pid 6644] perf_event_open( [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6646 attached [pid 6645] <... set_robust_list resumed>) = 0 [pid 6644] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6642] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6645 [pid 6645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6642] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6645] <... prctl resumed>) = 0 [pid 6644] perf_event_open( [pid 6646] set_robust_list(0x55558c953660, 24 [pid 6645] setpgid(0, 0 [pid 6646] <... set_robust_list resumed>) = 0 [pid 6644] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6642] <... bpf resumed>) = 7 [pid 6646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6645] <... setpgid resumed>) = 0 [pid 6642] exit_group(0) = ? [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6646 [pid 6645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6644] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6646] <... prctl resumed>) = 0 [pid 6645] <... openat resumed>) = 3 [pid 6643] <... bpf resumed>) = 6 [pid 6646] setpgid(0, 0 [pid 6644] <... bpf resumed>) = 5 [pid 6646] <... setpgid resumed>) = 0 [pid 6645] write(3, "1000", 4 [pid 6644] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6645] <... write resumed>) = 4 [pid 6643] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6642] +++ exited with 0 +++ [pid 6645] close(3) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6642, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> executing program [pid 6646] <... openat resumed>) = 3 [pid 6645] write(1, "executing program\n", 18 [pid 6646] write(3, "1000", 4 [pid 6645] <... write resumed>) = 18 [pid 6646] <... write resumed>) = 4 [pid 6645] perf_event_open( [pid 6644] <... bpf resumed>) = 6 [pid 6646] close(3) = 0 [pid 6645] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 6644] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6643] <... bpf resumed>) = 7 [pid 6646] write(1, "executing program\n", 18 [pid 6645] perf_event_open( [pid 6646] <... write resumed>) = 18 [pid 6643] exit_group(0 [pid 6646] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6645] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6644] <... bpf resumed>) = 7 [pid 6643] <... exit_group resumed>) = ? [pid 6646] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6645] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6646] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6645] <... bpf resumed>) = 5 [pid 6644] exit_group(0 [pid 6646] <... bpf resumed>) = 5 [pid 6645] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6644] <... exit_group resumed>) = ? [pid 6646] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6644] +++ exited with 0 +++ [pid 6643] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6644, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6645] <... bpf resumed>) = 6 [pid 6645] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6646] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6647 attached [pid 6645] <... bpf resumed>) = 7 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6647] set_robust_list(0x55558c953660, 24 [pid 6646] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6647 [pid 6647] <... set_robust_list resumed>) = 0 [pid 6646] <... bpf resumed>) = 7 [pid 6645] exit_group(0 [pid 6647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6647] setpgid(0, 0 [pid 6646] exit_group(0 [pid 6645] <... exit_group resumed>) = ? [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6647] <... setpgid resumed>) = 0 [pid 6646] <... exit_group resumed>) = ? [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6648 attached ./strace-static-x86_64: Process 6649 attached [pid 6647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6646] +++ exited with 0 +++ [pid 6649] set_robust_list(0x55558c953660, 24 [pid 6648] set_robust_list(0x55558c953660, 24 [pid 6647] <... openat resumed>) = 3 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6648 [pid 6648] <... set_robust_list resumed>) = 0 [pid 6649] <... set_robust_list resumed>) = 0 [pid 6647] write(3, "1000", 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6649 [pid 6649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6647] <... write resumed>) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6649] <... prctl resumed>) = 0 [pid 6647] close(3 [pid 6649] setpgid(0, 0 [pid 6647] <... close resumed>) = 0 [pid 6649] <... setpgid resumed>) = 0 [pid 6648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6647] write(1, "executing program\n", 18 [pid 5867] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6648] <... prctl resumed>) = 0 [pid 6647] <... write resumed>) = 18 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6648] setpgid(0, 0 [pid 6647] perf_event_open( [pid 6649] <... openat resumed>) = 3 [pid 6648] <... setpgid resumed>) = 0 [pid 6649] write(3, "1000", 4 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6649] <... write resumed>) = 4 executing program [pid 6649] close(3) = 0 [pid 6649] write(1, "executing program\n", 18./strace-static-x86_64: Process 6650 attached ) = 18 [pid 6650] set_robust_list(0x55558c953660, 24 [pid 6648] <... openat resumed>) = 3 [pid 6650] <... set_robust_list resumed>) = 0 [pid 6648] write(3, "1000", 4 [pid 6650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6649] perf_event_open( [pid 6648] <... write resumed>) = 4 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6650 [pid 6650] <... prctl resumed>) = 0 [pid 6648] close(3 [pid 6650] setpgid(0, 0 [pid 6648] <... close resumed>) = 0 executing program [pid 6648] write(1, "executing program\n", 18 [pid 6650] <... setpgid resumed>) = 0 [pid 6648] <... write resumed>) = 18 [pid 6650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6648] perf_event_open( [pid 6650] <... openat resumed>) = 3 [pid 6650] write(3, "1000", 4) = 4 [pid 6650] close(3) = 0 executing program [pid 6650] write(1, "executing program\n", 18) = 18 [pid 6650] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6649] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6648] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6647] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6645] +++ exited with 0 +++ [pid 6650] perf_event_open( [pid 6649] perf_event_open( [pid 6650] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6649] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6648] perf_event_open( [pid 6647] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6650] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6649] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6648] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6647] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6650] <... bpf resumed>) = 5 [pid 6650] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6649] <... bpf resumed>) = 5 [pid 6648] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6647] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6650] <... bpf resumed>) = 6 [pid 6649] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6648] <... bpf resumed>) = 5 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6650] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6649] <... bpf resumed>) = 6 [pid 6648] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6647] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6651 attached [pid 6649] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6650] <... bpf resumed>) = 7 [pid 6651] set_robust_list(0x55558c953660, 24 [pid 6649] <... bpf resumed>) = 7 [pid 6647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6651] <... set_robust_list resumed>) = 0 [pid 6650] exit_group(0 [pid 6649] exit_group(0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6651 [pid 6651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6650] <... exit_group resumed>) = ? [pid 6649] <... exit_group resumed>) = ? [pid 6647] <... bpf resumed>) = 6 [pid 6648] <... bpf resumed>) = 6 [pid 6651] <... prctl resumed>) = 0 [pid 6650] +++ exited with 0 +++ [pid 6651] setpgid(0, 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6651] <... setpgid resumed>) = 0 [pid 6648] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6652 attached [pid 6652] set_robust_list(0x55558c953660, 24 [pid 6651] <... openat resumed>) = 3 [pid 6652] <... set_robust_list resumed>) = 0 [pid 6651] write(3, "1000", 4 [pid 6648] <... bpf resumed>) = 7 [pid 6647] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6652 [pid 6651] <... write resumed>) = 4 [pid 6648] exit_group(0 [pid 6651] close(3 [pid 6648] <... exit_group resumed>) = ? [pid 6652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6651] <... close resumed>) = 0 [pid 6649] +++ exited with 0 +++ [pid 6647] <... bpf resumed>) = 7 [pid 6652] <... prctl resumed>) = 0 executing program [pid 6651] write(1, "executing program\n", 18 [pid 6652] setpgid(0, 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6649, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6652] <... setpgid resumed>) = 0 [pid 6651] <... write resumed>) = 18 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6647] exit_group(0 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6652] <... openat resumed>) = 3 [pid 6647] <... exit_group resumed>) = ? [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6651] perf_event_open(./strace-static-x86_64: Process 6653 attached [pid 6652] write(3, "1000", 4 [pid 6648] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6652] <... write resumed>) = 4 [pid 6653] set_robust_list(0x55558c953660, 24executing program [pid 6652] close(3) = 0 [pid 6653] <... set_robust_list resumed>) = 0 [pid 6652] write(1, "executing program\n", 18) = 18 [pid 6653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6652] perf_event_open( [pid 6653] <... prctl resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6653 [pid 6653] setpgid(0, 0) = 0 [pid 6653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6653] write(3, "1000", 4) = 4 [pid 6653] close(3) = 0 [pid 5871] <... restart_syscall resumed>) = 0 executing program [pid 6653] write(1, "executing program\n", 18) = 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6653] perf_event_open(./strace-static-x86_64: Process 6654 attached [pid 6654] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6654 [pid 6654] <... set_robust_list resumed>) = 0 [pid 6654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6654] setpgid(0, 0) = 0 [pid 6654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6653] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6652] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6651] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6647] +++ exited with 0 +++ [pid 6653] perf_event_open( [pid 6651] perf_event_open( [pid 6654] write(3, "1000", 4 [pid 6653] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6652] perf_event_open( [pid 6651] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6654] <... write resumed>) = 4 [pid 6652] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6654] close(3 [pid 6653] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6652] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6651] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6654] <... close resumed>) = 0 [pid 6653] <... bpf resumed>) = 5 [pid 6652] <... bpf resumed>) = 5 [pid 6654] write(1, "executing program\n", 18 executing program [pid 6653] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6651] <... bpf resumed>) = 5 [pid 6654] <... write resumed>) = 18 [pid 6652] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6654] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6651] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6655 attached [pid 6653] <... bpf resumed>) = 6 [pid 6655] set_robust_list(0x55558c953660, 24) = 0 [pid 6655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6654] perf_event_open( [pid 6651] <... bpf resumed>) = 6 [pid 6654] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6654] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6652] <... bpf resumed>) = 6 [pid 6655] <... prctl resumed>) = 0 [pid 6651] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6655 [pid 6655] setpgid(0, 0 [pid 6654] <... bpf resumed>) = 5 [pid 6653] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6652] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6651] <... bpf resumed>) = 7 [pid 6655] <... setpgid resumed>) = 0 [pid 6654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6653] <... bpf resumed>) = 7 [pid 6652] <... bpf resumed>) = 7 [pid 6655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6651] exit_group(0 [pid 6655] <... openat resumed>) = 3 [pid 6653] exit_group(0 [pid 6655] write(3, "1000", 4 [pid 6653] <... exit_group resumed>) = ? [pid 6652] exit_group(0 [pid 6651] <... exit_group resumed>) = ? [pid 6655] <... write resumed>) = 4 [pid 6653] +++ exited with 0 +++ [pid 6655] close(3 [pid 6652] <... exit_group resumed>) = ? [pid 6654] <... bpf resumed>) = 6 [pid 6651] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6655] <... close resumed>) = 0 [pid 6655] write(1, "executing program\n", 18executing program ) = 18 [pid 6655] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6651, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6655] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6654] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6655] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6655] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6656 attached ) = 5 [pid 6654] <... bpf resumed>) = 7 [pid 6656] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 6657 attached ) = 0 [pid 6655] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6654] exit_group(0 [pid 6652] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6656 [pid 6657] set_robust_list(0x55558c953660, 24 [pid 6656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6657 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6652, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6656] setpgid(0, 0) = 0 [pid 6656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6657] <... set_robust_list resumed>) = 0 [pid 6656] <... openat resumed>) = 3 [pid 6655] <... bpf resumed>) = 6 [pid 6654] <... exit_group resumed>) = ? [pid 6657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6657] setpgid(0, 0) = 0 [pid 6657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6658 attached ) = 3 [pid 6657] write(3, "1000", 4) = 4 executing program [pid 6657] close(3) = 0 [pid 6657] write(1, "executing program\n", 18) = 18 [pid 6657] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6658] set_robust_list(0x55558c953660, 24 [pid 6656] write(3, "1000", 4 [pid 6655] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6654] +++ exited with 0 +++ [pid 6658] <... set_robust_list resumed>) = 0 [pid 6657] perf_event_open( [pid 6656] <... write resumed>) = 4 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6658 [pid 6658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6657] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6656] close(3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6658] <... prctl resumed>) = 0 [pid 6657] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6656] <... close resumed>) = 0 [pid 6655] <... bpf resumed>) = 7 [pid 5871] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6658] setpgid(0, 0 [pid 6657] <... bpf resumed>) = 5 [pid 6656] write(1, "executing program\n", 18 [pid 6655] exit_group(0 [pid 6657] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6656] <... write resumed>) = 18 [pid 6658] <... setpgid resumed>) = 0 [pid 6655] <... exit_group resumed>) = ? [pid 6656] perf_event_open( [pid 6658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6657] <... bpf resumed>) = 6 [pid 6655] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 6656] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6656] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6656] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6658] <... openat resumed>) = 3 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6658] write(3, "1000", 4) = 4 [pid 6656] <... bpf resumed>) = 5 [pid 6658] close(3 [pid 6657] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6656] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6658] <... close resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6659 attached [pid 6658] write(1, "executing program\n", 18 [pid 6657] <... bpf resumed>) = 7 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6656] <... bpf resumed>) = 6 [pid 6658] <... write resumed>) = 18 [pid 6657] exit_group(0 [pid 6658] perf_event_open( [pid 6657] <... exit_group resumed>) = ? [pid 6658] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6656] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6659] set_robust_list(0x55558c953660, 24 [pid 6656] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 6660 attached [pid 6659] <... set_robust_list resumed>) = 0 [pid 6658] perf_event_open( [pid 6656] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6659 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6660 [pid 6659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6660] set_robust_list(0x55558c953660, 24 [pid 6659] <... prctl resumed>) = 0 [pid 6658] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6656] <... exit_group resumed>) = ? [pid 6660] <... set_robust_list resumed>) = 0 [pid 6659] setpgid(0, 0 [pid 6657] +++ exited with 0 +++ [pid 6660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6660] setpgid(0, 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6661 attached [pid 6660] <... setpgid resumed>) = 0 [pid 6660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6661] set_robust_list(0x55558c953660, 24 [pid 6659] <... setpgid resumed>) = 0 [pid 6661] <... set_robust_list resumed>) = 0 [pid 6661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6658] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6661] <... prctl resumed>) = 0 [pid 6660] write(3, "1000", 4 [pid 6661] setpgid(0, 0 [pid 6660] <... write resumed>) = 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6661 [pid 6661] <... setpgid resumed>) = 0 [pid 6660] close(3 [pid 6661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6660] <... close resumed>) = 0 executing program [pid 6659] <... openat resumed>) = 3 [pid 6660] write(1, "executing program\n", 18 [pid 6661] <... openat resumed>) = 3 [pid 6660] <... write resumed>) = 18 [pid 6659] write(3, "1000", 4 [pid 6660] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6661] write(3, "1000", 4) = 4 [pid 6661] close(3executing program [pid 6660] perf_event_open( [pid 6658] <... bpf resumed>) = 5 [pid 6661] <... close resumed>) = 0 [pid 6659] <... write resumed>) = 4 [pid 6661] write(1, "executing program\n", 18 [pid 6660] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6659] close(3 executing program [pid 6658] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6661] <... write resumed>) = 18 [pid 6659] <... close resumed>) = 0 [pid 6661] perf_event_open( [pid 6660] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6659] write(1, "executing program\n", 18 [pid 6661] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6660] <... bpf resumed>) = 5 [pid 6659] <... write resumed>) = 18 [pid 6656] +++ exited with 0 +++ [pid 6661] perf_event_open( [pid 6660] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6659] perf_event_open( [pid 6661] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6656, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6662 attached [pid 6659] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6659] perf_event_open( [pid 6661] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6662] set_robust_list(0x55558c953660, 24 [pid 6659] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6662] <... set_robust_list resumed>) = 0 [pid 6661] <... bpf resumed>) = 5 [pid 6660] <... bpf resumed>) = 6 [pid 6662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6661] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6659] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6658] <... bpf resumed>) = 6 [pid 6662] <... prctl resumed>) = 0 [pid 6660] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6662] setpgid(0, 0) = 0 [pid 6662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6661] <... bpf resumed>) = 6 [pid 6660] <... bpf resumed>) = 7 [pid 6659] <... bpf resumed>) = 5 [pid 6658] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6662 [pid 6662] write(3, "1000", 4 [pid 6661] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6659] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6662] <... write resumed>) = 4 [pid 6661] <... bpf resumed>) = 7 [pid 6660] exit_group(0 [pid 6658] <... bpf resumed>) = 7 [pid 6662] close(3 [pid 6661] exit_group(0 [pid 6662] <... close resumed>) = 0 [pid 6660] <... exit_group resumed>) = ? [pid 6662] write(1, "executing program\n", 18 [pid 6661] <... exit_group resumed>) = ? [pid 6658] exit_group(0executing program [pid 6662] <... write resumed>) = 18 [pid 6662] perf_event_open( [pid 6658] <... exit_group resumed>) = ? [pid 6662] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6660] +++ exited with 0 +++ [pid 6659] <... bpf resumed>) = 6 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6660, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6659] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6662] perf_event_open( [pid 6661] +++ exited with 0 +++ [pid 6658] +++ exited with 0 +++ [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6662] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6662] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6661, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] <... restart_syscall resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6662] <... bpf resumed>) = 5 [pid 6659] <... bpf resumed>) = 7 [pid 6662] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6659] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6659] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6663 attached ./strace-static-x86_64: Process 6665 attached ./strace-static-x86_64: Process 6664 attached [pid 6662] <... bpf resumed>) = 6 [pid 6659] +++ exited with 0 +++ [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6664 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6663 [pid 6665] set_robust_list(0x55558c953660, 24 [pid 6662] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6665] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6665 [pid 6665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6664] set_robust_list(0x55558c953660, 24 [pid 6663] set_robust_list(0x55558c953660, 24 [pid 6664] <... set_robust_list resumed>) = 0 [pid 6662] <... bpf resumed>) = 7 [pid 6663] <... set_robust_list resumed>) = 0 [pid 6665] <... prctl resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6666 attached executing program [pid 6665] setpgid(0, 0 [pid 6664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6662] exit_group(0 [pid 6664] <... prctl resumed>) = 0 [pid 6663] <... prctl resumed>) = 0 [pid 6662] <... exit_group resumed>) = ? [pid 6665] <... setpgid resumed>) = 0 [pid 6665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6664] setpgid(0, 0 [pid 6663] setpgid(0, 0 [pid 6664] <... setpgid resumed>) = 0 [pid 6665] <... openat resumed>) = 3 [pid 6664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6663] <... setpgid resumed>) = 0 [pid 6665] write(3, "1000", 4) = 4 [pid 6665] close(3) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6666 [pid 6665] write(1, "executing program\n", 18) = 18 [pid 6665] perf_event_open( [pid 6666] set_robust_list(0x55558c953660, 24 [pid 6664] <... openat resumed>) = 3 [pid 6663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6666] <... set_robust_list resumed>) = 0 [pid 6664] write(3, "1000", 4 [pid 6666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6664] <... write resumed>) = 4 [pid 6663] <... openat resumed>) = 3 [pid 6666] <... prctl resumed>) = 0 [pid 6664] close(3 [pid 6666] setpgid(0, 0 [pid 6664] <... close resumed>) = 0 [pid 6663] write(3, "1000", 4 [pid 6666] <... setpgid resumed>) = 0 [pid 6666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6664] write(1, "executing program\n", 18 [pid 6663] <... write resumed>) = 4 executing program [pid 6666] <... openat resumed>) = 3 [pid 6665] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6664] <... write resumed>) = 18 [pid 6663] close(3 [pid 6662] +++ exited with 0 +++ [pid 6663] <... close resumed>) = 0 executing program [pid 6663] write(1, "executing program\n", 18 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6662, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6663] <... write resumed>) = 18 [pid 6666] write(3, "1000", 4 [pid 6665] perf_event_open( [pid 6664] perf_event_open( [pid 6666] <... write resumed>) = 4 [pid 6663] perf_event_open( [pid 6666] close(3 [pid 6665] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6664] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6666] <... close resumed>) = 0 executing program [pid 6666] write(1, "executing program\n", 18 [pid 6665] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6664] perf_event_open( [pid 6663] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6666] <... write resumed>) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6666] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6666] perf_event_open( [pid 6665] <... bpf resumed>) = 5 [pid 6664] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6666] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6663] perf_event_open(./strace-static-x86_64: Process 6667 attached [pid 6667] set_robust_list(0x55558c953660, 24) = 0 [pid 6666] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6665] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6664] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6663] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6667 [pid 6666] <... bpf resumed>) = 5 [pid 6663] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6667] <... prctl resumed>) = 0 [pid 6666] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6665] <... bpf resumed>) = 6 [pid 6664] <... bpf resumed>) = 5 [pid 6663] <... bpf resumed>) = 5 [pid 6667] setpgid(0, 0 [pid 6665] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6664] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6667] <... setpgid resumed>) = 0 [pid 6666] <... bpf resumed>) = 6 [pid 6663] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6665] <... bpf resumed>) = 7 [pid 6667] <... openat resumed>) = 3 [pid 6667] write(3, "1000", 4 [pid 6665] exit_group(0 [pid 6664] <... bpf resumed>) = 6 [pid 6667] <... write resumed>) = 4 [pid 6666] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6665] <... exit_group resumed>) = ? [pid 6667] close(3 [pid 6664] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6663] <... bpf resumed>) = 6 executing program [pid 6667] <... close resumed>) = 0 [pid 6665] +++ exited with 0 +++ [pid 6667] write(1, "executing program\n", 18 [pid 6663] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6665, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6667] <... write resumed>) = 18 [pid 6666] <... bpf resumed>) = 7 [pid 6664] <... bpf resumed>) = 7 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6663] <... bpf resumed>) = 7 [pid 6667] perf_event_open( [pid 6666] exit_group(0 [pid 6664] exit_group(0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6664] <... exit_group resumed>) = ? [pid 6667] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6666] <... exit_group resumed>) = ? [pid 6663] exit_group(0 [pid 6667] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6667] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6663] <... exit_group resumed>) = ? [pid 6664] +++ exited with 0 +++ ./strace-static-x86_64: Process 6668 attached [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6668 [pid 6668] set_robust_list(0x55558c953660, 24 [pid 6667] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6666] +++ exited with 0 +++ [pid 6663] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6668] <... set_robust_list resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6667] <... bpf resumed>) = 5 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6663, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6669 attached [pid 6668] <... prctl resumed>) = 0 [pid 6667] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6669] set_robust_list(0x55558c953660, 24 [pid 6668] setpgid(0, 0 [pid 6669] <... set_robust_list resumed>) = 0 [pid 6668] <... setpgid resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6669 [pid 6669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6669] <... prctl resumed>) = 0 [pid 6668] <... openat resumed>) = 3 [pid 6667] <... bpf resumed>) = 6 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6669] setpgid(0, 0 [pid 6668] write(3, "1000", 4 [pid 6669] <... setpgid resumed>) = 0 [pid 6668] <... write resumed>) = 4 [pid 6669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6668] close(3./strace-static-x86_64: Process 6670 attached ) = 0 executing program [pid 6668] write(1, "executing program\n", 18) = 18 [pid 6669] <... openat resumed>) = 3 [pid 6668] perf_event_open(./strace-static-x86_64: Process 6671 attached [pid 6670] set_robust_list(0x55558c953660, 24 [pid 6671] set_robust_list(0x55558c953660, 24 [pid 6670] <... set_robust_list resumed>) = 0 [pid 6667] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6671 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6670 [pid 6671] <... set_robust_list resumed>) = 0 [pid 6670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6667] <... bpf resumed>) = 7 [pid 6671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6670] <... prctl resumed>) = 0 [pid 6669] write(3, "1000", 4 [pid 6668] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6671] <... prctl resumed>) = 0 [pid 6670] setpgid(0, 0 [pid 6669] <... write resumed>) = 4 [pid 6668] perf_event_open( [pid 6667] exit_group(0 [pid 6671] setpgid(0, 0 [pid 6670] <... setpgid resumed>) = 0 [pid 6669] close(3executing program ) = 0 [pid 6668] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6669] write(1, "executing program\n", 18 [pid 6667] <... exit_group resumed>) = ? [pid 6669] <... write resumed>) = 18 [pid 6671] <... setpgid resumed>) = 0 [pid 6670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6669] perf_event_open( [pid 6671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6670] <... openat resumed>) = 3 [pid 6669] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6668] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6669] perf_event_open( [pid 6668] <... bpf resumed>) = 5 [pid 6669] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6668] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6671] <... openat resumed>) = 3 [pid 6670] write(3, "1000", 4 [pid 6669] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6667] +++ exited with 0 +++ [pid 6671] write(3, "1000", 4 [pid 6670] <... write resumed>) = 4 [pid 6669] <... bpf resumed>) = 5 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6669] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6671] <... write resumed>) = 4 [pid 6670] close(3 [pid 6668] <... bpf resumed>) = 6 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program executing program [pid 6671] close(3 [pid 6670] <... close resumed>) = 0 [pid 6671] <... close resumed>) = 0 [pid 6670] write(1, "executing program\n", 18) = 18 [pid 6670] perf_event_open(./strace-static-x86_64: Process 6672 attached [pid 6671] write(1, "executing program\n", 18) = 18 [pid 6669] <... bpf resumed>) = 6 [pid 6672] set_robust_list(0x55558c953660, 24 [pid 6669] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6668] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6672] <... set_robust_list resumed>) = 0 [pid 6671] perf_event_open( [pid 6670] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6669] <... bpf resumed>) = 7 [pid 6672] <... prctl resumed>) = 0 [pid 6671] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6670] perf_event_open( [pid 6668] <... bpf resumed>) = 7 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6672 [pid 6672] setpgid(0, 0 [pid 6671] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6672] <... setpgid resumed>) = 0 [pid 6670] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6669] exit_group(0 [pid 6668] exit_group(0 [pid 6672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6671] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6670] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6669] <... exit_group resumed>) = ? [pid 6668] <... exit_group resumed>) = ? [pid 6672] <... openat resumed>) = 3 [pid 6671] <... bpf resumed>) = 5 [pid 6670] <... bpf resumed>) = 5 [pid 6668] +++ exited with 0 +++ [pid 6670] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6672] write(3, "1000", 4 [pid 6671] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6669] +++ exited with 0 +++ [pid 6672] <... write resumed>) = 4 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6672] close(3) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6672] write(1, "executing program\n", 18 [pid 6671] <... bpf resumed>) = 6 [pid 6670] <... bpf resumed>) = 6 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6668, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6672] <... write resumed>) = 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6672] perf_event_open(./strace-static-x86_64: Process 6674 attached ./strace-static-x86_64: Process 6673 attached [pid 6671] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6670] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6672] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6674] set_robust_list(0x55558c953660, 24 [pid 6673] set_robust_list(0x55558c953660, 24 [pid 6671] <... bpf resumed>) = 7 [pid 6670] <... bpf resumed>) = 7 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6673 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6674 [pid 6674] <... set_robust_list resumed>) = 0 [pid 6673] <... set_robust_list resumed>) = 0 [pid 6672] perf_event_open( [pid 6674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6671] exit_group(0 [pid 6674] <... prctl resumed>) = 0 [pid 6673] <... prctl resumed>) = 0 [pid 6672] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6670] exit_group(0 [pid 6674] setpgid(0, 0 [pid 6671] <... exit_group resumed>) = ? [pid 6670] <... exit_group resumed>) = ? [pid 6674] <... setpgid resumed>) = 0 [pid 6673] setpgid(0, 0 [pid 6672] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6673] <... setpgid resumed>) = 0 [pid 6672] <... bpf resumed>) = 5 [pid 6671] +++ exited with 0 +++ [pid 6673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6674] <... openat resumed>) = 3 [pid 6673] <... openat resumed>) = 3 [pid 6672] <... bpf resumed>) = 6 [pid 6670] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 6674] write(3, "1000", 4 [pid 6673] write(3, "1000", 4 [pid 6674] <... write resumed>) = 4 [pid 6673] <... write resumed>) = 4 [pid 6672] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6674] close(3 [pid 6673] close(3 [pid 6674] <... close resumed>) = 0 [pid 6673] <... close resumed>) = 0 executing program executing program [pid 6674] write(1, "executing program\n", 18 [pid 6673] write(1, "executing program\n", 18 [pid 6674] <... write resumed>) = 18 [pid 6673] <... write resumed>) = 18 [pid 6673] perf_event_open( [pid 6672] <... bpf resumed>) = 7 [pid 6674] perf_event_open( [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6672] exit_group(0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6674] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6672] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6676 attached ./strace-static-x86_64: Process 6675 attached [pid 6674] perf_event_open( [pid 6673] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6676] set_robust_list(0x55558c953660, 24 [pid 6673] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6675 [pid 6676] <... set_robust_list resumed>) = 0 [pid 6675] set_robust_list(0x55558c953660, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6676 [pid 6676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6675] <... set_robust_list resumed>) = 0 [pid 6676] <... prctl resumed>) = 0 [pid 6675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6676] setpgid(0, 0 [pid 6675] <... prctl resumed>) = 0 [pid 6676] <... setpgid resumed>) = 0 [pid 6674] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6673] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6672] +++ exited with 0 +++ [pid 6676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6675] setpgid(0, 0 [pid 6674] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6673] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6676] <... openat resumed>) = 3 [pid 6675] <... setpgid resumed>) = 0 [pid 6674] <... bpf resumed>) = 5 [pid 6673] <... bpf resumed>) = 5 [pid 6675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6674] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6673] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6676] write(3, "1000", 4 [pid 6675] <... openat resumed>) = 3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6677 attached [pid 6676] <... write resumed>) = 4 [pid 6675] write(3, "1000", 4 [pid 6674] <... bpf resumed>) = 6 [pid 6673] <... bpf resumed>) = 6 [pid 6677] set_robust_list(0x55558c953660, 24 [pid 6676] close(3 [pid 6675] <... write resumed>) = 4 executing program [pid 6677] <... set_robust_list resumed>) = 0 [pid 6676] <... close resumed>) = 0 [pid 6675] close(3 [pid 6674] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6673] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6677 [pid 6676] write(1, "executing program\n", 18 [pid 6675] <... close resumed>) = 0 [pid 6674] <... bpf resumed>) = 7 [pid 6673] <... bpf resumed>) = 7 [pid 6676] <... write resumed>) = 18 executing program [pid 6675] write(1, "executing program\n", 18 [pid 6677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6675] <... write resumed>) = 18 [pid 6676] perf_event_open( [pid 6675] perf_event_open( [pid 6673] exit_group(0) = ? [pid 6675] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6677] <... prctl resumed>) = 0 [pid 6676] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6677] setpgid(0, 0 [pid 6674] exit_group(0 [pid 6677] <... setpgid resumed>) = 0 [pid 6677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6676] perf_event_open( [pid 6675] perf_event_open( [pid 6674] <... exit_group resumed>) = ? [pid 6677] <... openat resumed>) = 3 [pid 6676] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6675] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6673] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6673, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6677] write(3, "1000", 4 [pid 6676] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6675] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6677] <... write resumed>) = 4 [pid 6676] <... bpf resumed>) = 5 [pid 6674] +++ exited with 0 +++ [pid 6675] <... bpf resumed>) = 5 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6677] close(3 [pid 6676] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6677] <... close resumed>) = 0 [pid 6675] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 6677] write(1, "executing program\n", 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6678 attached [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6679 attached [pid 6677] <... write resumed>) = 18 [pid 6675] <... bpf resumed>) = 6 [pid 6678] set_robust_list(0x55558c953660, 24 [pid 6677] perf_event_open( [pid 6678] <... set_robust_list resumed>) = 0 [pid 6679] set_robust_list(0x55558c953660, 24 [pid 6678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6679] <... set_robust_list resumed>) = 0 [pid 6678] <... prctl resumed>) = 0 [pid 6679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6678] setpgid(0, 0 [pid 6677] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6676] <... bpf resumed>) = 6 [pid 6679] <... prctl resumed>) = 0 [pid 6678] <... setpgid resumed>) = 0 [pid 6679] setpgid(0, 0 [pid 6677] perf_event_open( [pid 6676] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6675] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6678 [pid 6678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6679 [pid 6679] <... setpgid resumed>) = 0 [pid 6677] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6677] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6678] <... openat resumed>) = 3 [pid 6677] <... bpf resumed>) = 5 [pid 6679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6677] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6679] <... openat resumed>) = 3 [pid 6678] write(3, "1000", 4 [pid 6676] <... bpf resumed>) = 7 [pid 6679] write(3, "1000", 4 [pid 6678] <... write resumed>) = 4 [pid 6675] <... bpf resumed>) = 7 [pid 6679] <... write resumed>) = 4 [pid 6678] close(3 [pid 6676] exit_group(0 [pid 6679] close(3executing program [pid 6678] <... close resumed>) = 0 [pid 6679] <... close resumed>) = 0 [pid 6678] write(1, "executing program\n", 18 [pid 6676] <... exit_group resumed>) = ? [pid 6675] exit_group(0 [pid 6678] <... write resumed>) = 18 [pid 6675] <... exit_group resumed>) = ? executing program [pid 6679] write(1, "executing program\n", 18 [pid 6678] perf_event_open( [pid 6677] <... bpf resumed>) = 6 [pid 6676] +++ exited with 0 +++ [pid 6679] <... write resumed>) = 18 [pid 6679] perf_event_open( [pid 6678] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6677] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6679] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6675] +++ exited with 0 +++ [pid 6678] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6680 attached [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6680 [pid 6680] set_robust_list(0x55558c953660, 24) = 0 [pid 6677] <... bpf resumed>) = 7 [pid 6680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6678] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6680] <... prctl resumed>) = 0 [pid 6679] perf_event_open( [pid 6678] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6677] exit_group(0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6680] setpgid(0, 0 [pid 6679] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6678] <... bpf resumed>) = 5 [pid 6677] <... exit_group resumed>) = ? [pid 6680] <... setpgid resumed>) = 0 [pid 6679] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6678] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6678] <... bpf resumed>) = 6 [pid 6678] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6680] <... openat resumed>) = 3 [pid 6679] <... bpf resumed>) = 5 [pid 6677] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6680] write(3, "1000", 4./strace-static-x86_64: Process 6681 attached ) = 4 [pid 6678] <... bpf resumed>) = 7 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6677, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6679] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6681] set_robust_list(0x55558c953660, 24 [pid 6680] close(3 [pid 6681] <... set_robust_list resumed>) = 0 [pid 6680] <... close resumed>) = 0 [pid 6680] write(1, "executing program\n", 18executing program [pid 6681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6681 [pid 6680] <... write resumed>) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6680] perf_event_open( [pid 6678] exit_group(0) = ? ./strace-static-x86_64: Process 6682 attached [pid 6681] <... prctl resumed>) = 0 [pid 6680] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6681] setpgid(0, 0 [pid 6680] perf_event_open( [pid 6679] <... bpf resumed>) = 6 [pid 6678] +++ exited with 0 +++ [pid 6682] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6682 [pid 6682] <... set_robust_list resumed>) = 0 [pid 6681] <... setpgid resumed>) = 0 [pid 6680] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6680] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6682] <... prctl resumed>) = 0 [pid 6680] <... bpf resumed>) = 5 [pid 6682] setpgid(0, 0 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6682] <... setpgid resumed>) = 0 [pid 6681] <... openat resumed>) = 3 [pid 6682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] <... restart_syscall resumed>) = 0 [pid 6682] <... openat resumed>) = 3 [pid 6681] write(3, "1000", 4 [pid 6680] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6679] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6682] write(3, "1000", 4 [pid 6681] <... write resumed>) = 4 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6683 attached [pid 6682] <... write resumed>) = 4 [pid 6681] close(3 [pid 6679] <... bpf resumed>) = 7 executing program [pid 6682] close(3 [pid 6681] <... close resumed>) = 0 [pid 6681] write(1, "executing program\n", 18 [pid 6682] <... close resumed>) = 0 [pid 6681] <... write resumed>) = 18 [pid 6682] write(1, "executing program\n", 18 [pid 6681] perf_event_open( [pid 6679] exit_group(0) = ? executing program [pid 6683] set_robust_list(0x55558c953660, 24 [pid 6682] <... write resumed>) = 18 [pid 6681] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6680] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6683 [pid 6683] <... set_robust_list resumed>) = 0 [pid 6683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6682] perf_event_open( [pid 6681] perf_event_open( [pid 6680] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program [pid 6683] <... prctl resumed>) = 0 [pid 6681] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6679] +++ exited with 0 +++ [pid 6682] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6683] setpgid(0, 0 [pid 6682] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6679, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6683] <... setpgid resumed>) = 0 [pid 6682] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6681] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6682] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6681] <... bpf resumed>) = 5 [pid 6680] <... bpf resumed>) = 7 [pid 6682] <... bpf resumed>) = 5 [pid 6683] <... openat resumed>) = 3 [pid 6681] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6683] write(3, "1000", 4 [pid 6682] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6680] exit_group(0 [pid 6683] <... write resumed>) = 4 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6683] close(3) = 0 [pid 6683] write(1, "executing program\n", 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6683] <... write resumed>) = 18 ./strace-static-x86_64: Process 6684 attached [pid 6683] perf_event_open( [pid 6682] <... bpf resumed>) = 6 [pid 6681] <... bpf resumed>) = 6 [pid 6680] <... exit_group resumed>) = ? [pid 6684] set_robust_list(0x55558c953660, 24 [pid 6683] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6682] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6684] <... set_robust_list resumed>) = 0 [pid 6681] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6684] setpgid(0, 0 [pid 6683] perf_event_open( [pid 6682] <... bpf resumed>) = 7 [pid 6681] <... bpf resumed>) = 7 [pid 6680] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6684 [pid 6684] <... setpgid resumed>) = 0 [pid 6683] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6682] exit_group(0 [pid 6681] exit_group(0 [pid 6684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6683] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6681] <... exit_group resumed>) = ? [pid 6684] <... openat resumed>) = 3 [pid 6682] <... exit_group resumed>) = ? [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6685 attached [pid 6683] <... bpf resumed>) = 5 [pid 6682] +++ exited with 0 +++ [pid 6681] +++ exited with 0 +++ [pid 6685] set_robust_list(0x55558c953660, 24 [pid 6684] write(3, "1000", 4 executing program [pid 6683] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6685] <... set_robust_list resumed>) = 0 [pid 6684] <... write resumed>) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6681, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6685 [pid 6684] close(3 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6684] <... close resumed>) = 0 [pid 6684] write(1, "executing program\n", 18) = 18 [pid 6685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6684] perf_event_open( [pid 6685] <... prctl resumed>) = 0 [pid 6685] setpgid(0, 0) = 0 [pid 6685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6684] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6685] <... openat resumed>) = 3 [pid 6683] <... bpf resumed>) = 6 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6684] perf_event_open(executing program [pid 6683] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6685] write(3, "1000", 4 [pid 6684] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6685] <... write resumed>) = 4 [pid 6684] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6683] <... bpf resumed>) = 7 [pid 6685] close(3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6685] <... close resumed>) = 0 [pid 6684] <... bpf resumed>) = 5 [pid 6683] exit_group(0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6685] write(1, "executing program\n", 18./strace-static-x86_64: Process 6686 attached ) = 18 [pid 6684] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6683] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6687 attached [pid 6686] set_robust_list(0x55558c953660, 24 [pid 6685] perf_event_open( [pid 6687] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6687 [pid 6687] <... set_robust_list resumed>) = 0 [pid 6684] <... bpf resumed>) = 6 [pid 6687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6687] setpgid(0, 0) = 0 [pid 6687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6683] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6686 [pid 6686] <... set_robust_list resumed>) = 0 [pid 6687] write(3, "1000", 4 [pid 6685] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6687] <... write resumed>) = 4 [pid 6686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6685] perf_event_open( [pid 6684] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6687] close(3 [pid 6686] <... prctl resumed>) = 0 [pid 6687] <... close resumed>) = 0 [pid 6687] write(1, "executing program\n", 18executing program [pid 6686] setpgid(0, 0 [pid 6687] <... write resumed>) = 18 [pid 6685] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6686] <... setpgid resumed>) = 0 [pid 6684] <... bpf resumed>) = 7 [pid 6687] perf_event_open( [pid 6686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6685] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6684] exit_group(0 [pid 6687] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6686] <... openat resumed>) = 3 [pid 6687] perf_event_open( [pid 6686] write(3, "1000", 4 [pid 6685] <... bpf resumed>) = 5 [pid 6684] <... exit_group resumed>) = ? [pid 6687] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6686] <... write resumed>) = 4 [pid 6685] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6687] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6686] close(3executing program [pid 6687] <... bpf resumed>) = 5 [pid 6686] <... close resumed>) = 0 ./strace-static-x86_64: Process 6688 attached [pid 6687] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6686] write(1, "executing program\n", 18 [pid 6684] +++ exited with 0 +++ [pid 6686] <... write resumed>) = 18 [pid 6685] <... bpf resumed>) = 6 [pid 6688] set_robust_list(0x55558c953660, 24 [pid 6686] perf_event_open( [pid 6685] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6688 [pid 6688] <... set_robust_list resumed>) = 0 [pid 6686] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6686] perf_event_open( [pid 6688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6685] <... bpf resumed>) = 7 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6684, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6687] <... bpf resumed>) = 6 [pid 6686] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6687] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6688] <... prctl resumed>) = 0 [pid 6687] <... bpf resumed>) = 7 [pid 6686] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program [pid 6688] setpgid(0, 0 [pid 6687] exit_group(0 [pid 6686] <... bpf resumed>) = 5 [pid 6685] exit_group(0 [pid 6688] <... setpgid resumed>) = 0 [pid 6688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6688] <... openat resumed>) = 3 [pid 6687] <... exit_group resumed>) = ? [pid 6686] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6685] <... exit_group resumed>) = ? [pid 6688] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6689 attached [pid 6688] close(3) = 0 [pid 6688] write(1, "executing program\n", 18 [pid 6689] set_robust_list(0x55558c953660, 24 [pid 6688] <... write resumed>) = 18 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6689 [pid 6689] <... set_robust_list resumed>) = 0 [pid 6688] perf_event_open( [pid 6689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6688] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6689] <... prctl resumed>) = 0 [pid 6689] setpgid(0, 0) = 0 [pid 6688] perf_event_open( [pid 6689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6688] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6687] +++ exited with 0 +++ [pid 6686] <... bpf resumed>) = 6 [pid 6685] +++ exited with 0 +++ [pid 6689] <... openat resumed>) = 3 [pid 6688] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6686] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6685, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6689] write(3, "1000", 4 [pid 6688] <... bpf resumed>) = 5 [pid 6689] <... write resumed>) = 4 [pid 6688] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6689] close(3) = 0 executing program [pid 6686] <... bpf resumed>) = 7 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6690 attached [pid 6689] write(1, "executing program\n", 18) = 18 [pid 6689] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6686] exit_group(0 [pid 6689] perf_event_open( [pid 6688] <... bpf resumed>) = 6 [pid 6689] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6689] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6691 attached [pid 6690] set_robust_list(0x55558c953660, 24 [pid 6688] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6686] <... exit_group resumed>) = ? [pid 6691] set_robust_list(0x55558c953660, 24 [pid 6690] <... set_robust_list resumed>) = 0 [pid 6688] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6690 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6691 [pid 6691] <... set_robust_list resumed>) = 0 [pid 6690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6689] <... bpf resumed>) = 5 [pid 6691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6690] <... prctl resumed>) = 0 [pid 6691] <... prctl resumed>) = 0 [pid 6690] setpgid(0, 0 [pid 6691] setpgid(0, 0 [pid 6690] <... setpgid resumed>) = 0 [pid 6689] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6688] exit_group(0 [pid 6691] <... setpgid resumed>) = 0 [pid 6690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6690] write(3, "1000", 4) = 4 executing program [pid 6688] <... exit_group resumed>) = ? [pid 6691] <... openat resumed>) = 3 [pid 6690] close(3) = 0 [pid 6690] write(1, "executing program\n", 18) = 18 [pid 6690] perf_event_open( [pid 6691] write(3, "1000", 4) = 4 [pid 6691] close(3 [pid 6686] +++ exited with 0 +++ [pid 6690] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6691] <... close resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6691] write(1, "executing program\n", 18 [pid 6690] perf_event_open(executing program [pid 6691] <... write resumed>) = 18 [pid 6690] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6691] perf_event_open( [pid 6689] <... bpf resumed>) = 6 [pid 6691] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6690] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6691] perf_event_open( [pid 6690] <... bpf resumed>) = 5 [pid 6691] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6690] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6689] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6690] <... bpf resumed>) = 6 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6691] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6689] <... bpf resumed>) = 7 [pid 6688] +++ exited with 0 +++ [pid 6691] <... bpf resumed>) = 5 [pid 6690] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6691] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6690] <... bpf resumed>) = 7 [pid 6689] exit_group(0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6688, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6692 attached [pid 6690] exit_group(0 [pid 6689] <... exit_group resumed>) = ? [pid 6692] set_robust_list(0x55558c953660, 24 [pid 6691] <... bpf resumed>) = 6 [pid 6690] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6692 [pid 6692] <... set_robust_list resumed>) = 0 [pid 6692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6692] setpgid(0, 0 [pid 6691] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6689] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6692] <... setpgid resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6693 attached [pid 6690] +++ exited with 0 +++ [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6691] <... bpf resumed>) = 7 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6693] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6693 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6693] <... set_robust_list resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6693] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6695 attached ./strace-static-x86_64: Process 6694 attached [pid 6691] exit_group(0 [pid 6695] set_robust_list(0x55558c953660, 24) = 0 [pid 6695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6694] set_robust_list(0x55558c953660, 24 [pid 6693] <... prctl resumed>) = 0 [pid 6692] <... openat resumed>) = 3 [pid 6691] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6695 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6694 [pid 6693] setpgid(0, 0 [pid 6695] <... prctl resumed>) = 0 [pid 6694] <... set_robust_list resumed>) = 0 [pid 6692] write(3, "1000", 4 [pid 6695] setpgid(0, 0 [pid 6694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6692] <... write resumed>) = 4 [pid 6695] <... setpgid resumed>) = 0 [pid 6692] close(3 [pid 6695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6694] <... prctl resumed>) = 0 [pid 6692] <... close resumed>) = 0 [pid 6693] <... setpgid resumed>) = 0 [pid 6694] setpgid(0, 0 [pid 6695] <... openat resumed>) = 3 [pid 6693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 6692] write(1, "executing program\n", 18 [pid 6694] <... setpgid resumed>) = 0 [pid 6693] <... openat resumed>) = 3 [pid 6695] write(3, "1000", 4 [pid 6693] write(3, "1000", 4 [pid 6692] <... write resumed>) = 18 [pid 6695] <... write resumed>) = 4 [pid 6694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6693] <... write resumed>) = 4 [pid 6695] close(3 executing program executing program executing program [pid 6693] close(3 [pid 6692] perf_event_open( [pid 6695] <... close resumed>) = 0 [pid 6694] <... openat resumed>) = 3 [pid 6693] <... close resumed>) = 0 [pid 6695] write(1, "executing program\n", 18 [pid 6694] write(3, "1000", 4 [pid 6693] write(1, "executing program\n", 18 [pid 6695] <... write resumed>) = 18 [pid 6694] <... write resumed>) = 4 [pid 6693] <... write resumed>) = 18 [pid 6695] perf_event_open( [pid 6694] close(3) = 0 [pid 6693] perf_event_open( [pid 6694] write(1, "executing program\n", 18) = 18 [pid 6694] perf_event_open( [pid 6691] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6691, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6695] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6694] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6693] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6692] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6694] perf_event_open( [pid 6692] perf_event_open( [pid 6694] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6692] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6694] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6695] perf_event_open( [pid 6694] <... bpf resumed>) = 5 [pid 6693] perf_event_open( [pid 6692] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6695] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6694] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6693] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6692] <... bpf resumed>) = 5 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6695] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6694] <... bpf resumed>) = 6 [pid 6693] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6692] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6695] <... bpf resumed>) = 5 [pid 6693] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6695] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6694] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6693] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6697 attached [pid 6697] set_robust_list(0x55558c953660, 24) = 0 [pid 6697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6694] <... bpf resumed>) = 7 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6697 [pid 6697] <... prctl resumed>) = 0 [pid 6697] setpgid(0, 0 [pid 6695] <... bpf resumed>) = 6 [pid 6694] exit_group(0 [pid 6693] <... bpf resumed>) = 6 [pid 6692] <... bpf resumed>) = 6 [pid 6695] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6697] <... setpgid resumed>) = 0 [pid 6694] <... exit_group resumed>) = ? [pid 6693] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6695] <... bpf resumed>) = 7 [pid 6692] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6695] exit_group(0 [pid 6694] +++ exited with 0 +++ [pid 6693] <... bpf resumed>) = 7 [pid 6692] <... bpf resumed>) = 7 [pid 6695] <... exit_group resumed>) = ? [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6694, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6697] <... openat resumed>) = 3 [pid 6693] exit_group(0 [pid 6692] exit_group(0) = ? [pid 6697] write(3, "1000", 4 [pid 6695] +++ exited with 0 +++ [pid 6693] <... exit_group resumed>) = ? [pid 6697] <... write resumed>) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6697] close(3 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6697] <... close resumed>) = 0 executing program [pid 6697] write(1, "executing program\n", 18) = 18 [pid 6697] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6697] perf_event_open( [pid 6692] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6697] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6693] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6697] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6698 ./strace-static-x86_64: Process 6700 attached ./strace-static-x86_64: Process 6699 attached ./strace-static-x86_64: Process 6698 attached [pid 6697] <... bpf resumed>) = 5 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6699] set_robust_list(0x55558c953660, 24 [pid 6697] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6700 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6699 [pid 6700] set_robust_list(0x55558c953660, 24 [pid 6698] set_robust_list(0x55558c953660, 24 [pid 6699] <... set_robust_list resumed>) = 0 [pid 6699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6699] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6701 attached [pid 6701] set_robust_list(0x55558c953660, 24 [pid 6700] <... set_robust_list resumed>) = 0 [pid 6699] setpgid(0, 0 [pid 6698] <... set_robust_list resumed>) = 0 [pid 6697] <... bpf resumed>) = 6 [pid 6701] <... set_robust_list resumed>) = 0 [pid 6699] <... setpgid resumed>) = 0 [pid 6698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6698] <... prctl resumed>) = 0 [pid 6697] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6701 [pid 6701] <... prctl resumed>) = 0 [pid 6700] <... prctl resumed>) = 0 [pid 6699] <... openat resumed>) = 3 [pid 6698] setpgid(0, 0 [pid 6697] <... bpf resumed>) = 7 [pid 6701] setpgid(0, 0 [pid 6700] setpgid(0, 0 [pid 6698] <... setpgid resumed>) = 0 [pid 6701] <... setpgid resumed>) = 0 [pid 6699] write(3, "1000", 4 [pid 6701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6700] <... setpgid resumed>) = 0 [pid 6699] <... write resumed>) = 4 [pid 6698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6697] exit_group(0 [pid 6701] <... openat resumed>) = 3 [pid 6700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6701] write(3, "1000", 4 [pid 6699] close(3 [pid 6701] <... write resumed>) = 4 [pid 6699] <... close resumed>) = 0 [pid 6701] close(3executing program [pid 6699] write(1, "executing program\n", 18 [pid 6701] <... close resumed>) = 0 [pid 6699] <... write resumed>) = 18 [pid 6701] write(1, "executing program\n", 18 [pid 6699] perf_event_open(executing program [pid 6701] <... write resumed>) = 18 [pid 6701] perf_event_open( [pid 6699] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6701] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6700] <... openat resumed>) = 3 [pid 6698] <... openat resumed>) = 3 [pid 6697] <... exit_group resumed>) = ? [pid 6700] write(3, "1000", 4 [pid 6699] perf_event_open( [pid 6698] write(3, "1000", 4 [pid 6701] perf_event_open( [pid 6698] <... write resumed>) = 4 [pid 6700] <... write resumed>) = 4 [pid 6699] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6698] close(3 [pid 6701] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6700] close(3 [pid 6699] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6698] <... close resumed>) = 0 [pid 6701] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6700] <... close resumed>) = 0 executing program [pid 6699] <... bpf resumed>) = 5 [pid 6698] write(1, "executing program\n", 18 [pid 6697] +++ exited with 0 +++ [pid 6701] <... bpf resumed>) = 5 executing program [pid 6700] write(1, "executing program\n", 18 [pid 6699] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6698] <... write resumed>) = 18 [pid 6700] <... write resumed>) = 18 [pid 6701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6700] perf_event_open( [pid 6698] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6698] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6698] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6701] <... bpf resumed>) = 6 [pid 6700] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6698] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6701] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6700] perf_event_open( [pid 6699] <... bpf resumed>) = 6 [pid 6700] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6698] <... bpf resumed>) = 5 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6700] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6701] <... bpf resumed>) = 7 [pid 6700] <... bpf resumed>) = 5 [pid 6698] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6700] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6699] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6701] exit_group(0 [pid 6698] <... bpf resumed>) = 6 [pid 6700] <... bpf resumed>) = 6 [pid 6700] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 6701] <... exit_group resumed>) = ? [pid 6699] <... bpf resumed>) = 7 [pid 6698] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6700] exit_group(0 [pid 6699] exit_group(0 [pid 6700] <... exit_group resumed>) = ? [pid 6701] +++ exited with 0 +++ [pid 6699] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6702 attached [pid 6700] +++ exited with 0 +++ [pid 6698] <... bpf resumed>) = 7 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6702 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6702] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 6703 attached [pid 6699] +++ exited with 0 +++ [pid 6698] exit_group(0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6703] set_robust_list(0x55558c953660, 24 [pid 6702] <... set_robust_list resumed>) = 0 [pid 6703] <... set_robust_list resumed>) = 0 [pid 6702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6698] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6703 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6699, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6702] <... prctl resumed>) = 0 [pid 6703] <... prctl resumed>) = 0 [pid 6702] setpgid(0, 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6703] setpgid(0, 0) = 0 [pid 6702] <... setpgid resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6705 attached [pid 6703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6703] <... openat resumed>) = 3 [pid 6702] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6704 attached [pid 6702] write(3, "1000", 4 [pid 6703] write(3, "1000", 4 [pid 6702] <... write resumed>) = 4 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6704 [pid 6705] set_robust_list(0x55558c953660, 24 [pid 6703] <... write resumed>) = 4 [pid 6702] close(3 [pid 6705] <... set_robust_list resumed>) = 0 [pid 6703] close(3 [pid 6702] <... close resumed>) = 0 [pid 6705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6703] <... close resumed>) = 0 [pid 6702] write(1, "executing program\n", 18 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6705 [pid 6703] write(1, "executing program\n", 18executing program executing program [pid 6702] <... write resumed>) = 18 [pid 6705] <... prctl resumed>) = 0 [pid 6703] <... write resumed>) = 18 [pid 6702] perf_event_open( [pid 6705] setpgid(0, 0 [pid 6703] perf_event_open( [pid 6705] <... setpgid resumed>) = 0 [pid 6703] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6702] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6704] set_robust_list(0x55558c953660, 24) = 0 [pid 6703] perf_event_open( [pid 6704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6703] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6704] <... prctl resumed>) = 0 [pid 6698] +++ exited with 0 +++ [pid 6705] <... openat resumed>) = 3 [pid 6704] setpgid(0, 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6698, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6704] <... setpgid resumed>) = 0 [pid 6705] write(3, "1000", 4 [pid 6703] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6702] perf_event_open( [pid 6705] <... write resumed>) = 4 [pid 6704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6703] <... bpf resumed>) = 5 [pid 6702] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6703] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6705] close(3 [pid 6704] <... openat resumed>) = 3 [pid 6702] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6704] write(3, "1000", 4) = 4 executing program [pid 6704] close(3) = 0 [pid 6704] write(1, "executing program\n", 18 [pid 6705] <... close resumed>) = 0 [pid 6704] <... write resumed>) = 18 [pid 6703] <... bpf resumed>) = 6 [pid 6702] <... bpf resumed>) = 5 executing program [pid 6705] write(1, "executing program\n", 18 [pid 6704] perf_event_open( [pid 6705] <... write resumed>) = 18 [pid 6705] perf_event_open( [pid 6704] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6703] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6702] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6705] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6704] perf_event_open( [pid 6703] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6705] perf_event_open( [pid 6704] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6703] exit_group(0./strace-static-x86_64: Process 6706 attached [pid 6705] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6702] <... bpf resumed>) = 6 [pid 6706] set_robust_list(0x55558c953660, 24 [pid 6703] <... exit_group resumed>) = ? [pid 6705] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6706] <... set_robust_list resumed>) = 0 [pid 6704] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 6704] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6705] <... bpf resumed>) = 5 [pid 6703] +++ exited with 0 +++ [pid 6702] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6706 [pid 6706] <... prctl resumed>) = 0 [pid 6705] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6706] setpgid(0, 0 [pid 6704] <... bpf resumed>) = 6 [pid 6702] <... bpf resumed>) = 7 [pid 6706] <... setpgid resumed>) = 0 [pid 6706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6705] <... bpf resumed>) = 6 [pid 6704] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6702] exit_group(0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6703, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6702] <... exit_group resumed>) = ? [pid 6706] write(3, "1000", 4 [pid 6704] <... bpf resumed>) = 7 [pid 5872] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6706] <... write resumed>) = 4 [pid 6706] close(3) = 0 executing program [pid 6706] write(1, "executing program\n", 18) = 18 [pid 6706] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6706] perf_event_open( [pid 6705] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6704] exit_group(0 [pid 6702] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6706] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6704] <... exit_group resumed>) = ? [pid 6706] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6705] <... bpf resumed>) = 7 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6707 attached [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6707 [pid 6705] exit_group(0 [pid 6707] set_robust_list(0x55558c953660, 24 [pid 6706] <... bpf resumed>) = 5 [pid 6707] <... set_robust_list resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6705] <... exit_group resumed>) = ? [pid 6706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6708 attached [pid 6707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6705] +++ exited with 0 +++ [pid 6704] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6704, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6708] set_robust_list(0x55558c953660, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6708 [pid 6708] <... set_robust_list resumed>) = 0 [pid 6708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6707] <... prctl resumed>) = 0 [pid 6706] <... bpf resumed>) = 6 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6707] setpgid(0, 0) = 0 [pid 6707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6708] <... prctl resumed>) = 0 [pid 6707] <... openat resumed>) = 3 [pid 6708] setpgid(0, 0 [pid 6707] write(3, "1000", 4) = 4 [pid 6707] close(3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6710 attached ./strace-static-x86_64: Process 6709 attached [pid 6708] <... setpgid resumed>) = 0 [pid 6707] <... close resumed>) = 0 executing program [pid 6707] write(1, "executing program\n", 18) = 18 [pid 6707] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6710] set_robust_list(0x55558c953660, 24 [pid 6707] perf_event_open( [pid 6710] <... set_robust_list resumed>) = 0 [pid 6707] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6709 [pid 6709] set_robust_list(0x55558c953660, 24 [pid 6706] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6710 [pid 6710] <... prctl resumed>) = 0 [pid 6708] <... openat resumed>) = 3 [pid 6710] setpgid(0, 0 [pid 6709] <... set_robust_list resumed>) = 0 [pid 6707] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6710] <... setpgid resumed>) = 0 [pid 6709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6708] write(3, "1000", 4 [pid 6707] <... bpf resumed>) = 5 [pid 6706] <... bpf resumed>) = 7 [pid 6710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6709] <... prctl resumed>) = 0 [pid 6708] <... write resumed>) = 4 [pid 6710] <... openat resumed>) = 3 [pid 6707] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6706] exit_group(0 [pid 6710] write(3, "1000", 4 [pid 6709] setpgid(0, 0 [pid 6708] close(3 [pid 6706] <... exit_group resumed>) = ? [pid 6710] <... write resumed>) = 4 [pid 6709] <... setpgid resumed>) = 0 [pid 6708] <... close resumed>) = 0 [pid 6707] <... bpf resumed>) = 6 [pid 6710] close(3) = 0 [pid 6707] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6710] write(1, "executing program\n", 18executing program [pid 6709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6708] write(1, "executing program\n", 18 [pid 6710] <... write resumed>) = 18 [pid 6707] <... bpf resumed>) = 7 [pid 6710] perf_event_open(executing program {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6709] <... openat resumed>) = 3 [pid 6708] <... write resumed>) = 18 [pid 6707] exit_group(0 [pid 6706] +++ exited with 0 +++ [pid 6708] perf_event_open( [pid 6707] <... exit_group resumed>) = ? [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6706, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6710] perf_event_open( [pid 6709] write(3, "1000", 4 [pid 6708] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6710] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6709] <... write resumed>) = 4 [pid 6708] perf_event_open( [pid 6709] close(3 [pid 6710] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6709] <... close resumed>) = 0 [pid 6708] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6710] <... bpf resumed>) = 5 [pid 6709] write(1, "executing program\n", 18 [pid 6710] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program ./strace-static-x86_64: Process 6711 attached ) = 6 [pid 6709] <... write resumed>) = 18 [pid 6708] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6707] +++ exited with 0 +++ [pid 6711] set_robust_list(0x55558c953660, 24 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6707, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6711] <... set_robust_list resumed>) = 0 [pid 6709] perf_event_open( [pid 6708] <... bpf resumed>) = 5 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6711 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6708] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6709] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6709] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6711] <... prctl resumed>) = 0 [pid 6710] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6709] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6708] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6712 attached [pid 6711] setpgid(0, 0) = 0 [pid 6712] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6712 [pid 6712] <... set_robust_list resumed>) = 0 [pid 6711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6712] setpgid(0, 0 [pid 6711] <... openat resumed>) = 3 [pid 6710] <... bpf resumed>) = 7 [pid 6709] <... bpf resumed>) = 5 [pid 6708] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6711] write(3, "1000", 4 [pid 6710] exit_group(0 [pid 6712] <... setpgid resumed>) = 0 [pid 6711] <... write resumed>) = 4 [pid 6709] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6711] close(3 [pid 6710] <... exit_group resumed>) = ? [pid 6708] <... bpf resumed>) = 7 [pid 6711] <... close resumed>) = 0 [pid 6712] <... openat resumed>) = 3 [pid 6709] <... bpf resumed>) = 6 executing program [pid 6712] write(3, "1000", 4 [pid 6711] write(1, "executing program\n", 18 [pid 6710] +++ exited with 0 +++ [pid 6709] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6708] exit_group(0 [pid 6712] <... write resumed>) = 4 [pid 6711] <... write resumed>) = 18 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6712] close(3) = 0 [pid 6711] perf_event_open( [pid 6709] <... bpf resumed>) = 7 [pid 6708] <... exit_group resumed>) = ? executing program [pid 6712] write(1, "executing program\n", 18 [pid 6711] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6712] <... write resumed>) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6713 attached [pid 6712] perf_event_open( [pid 6711] perf_event_open( [pid 6712] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6709] exit_group(0 [pid 6713] set_robust_list(0x55558c953660, 24 [pid 6709] <... exit_group resumed>) = ? [pid 6713] <... set_robust_list resumed>) = 0 [pid 6711] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6712] perf_event_open( [pid 6711] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6712] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6711] <... bpf resumed>) = 5 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6713 [pid 6712] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6711] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6712] <... bpf resumed>) = 5 [pid 6708] +++ exited with 0 +++ [pid 6709] +++ exited with 0 +++ [pid 6713] <... prctl resumed>) = 0 [pid 6713] setpgid(0, 0) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6712] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6711] <... bpf resumed>) = 6 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6713] <... openat resumed>) = 3 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6711] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6713] write(3, "1000", 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6714 attached [pid 6713] <... write resumed>) = 4 [pid 6714] set_robust_list(0x55558c953660, 24 [pid 6713] close(3 [pid 6712] <... bpf resumed>) = 6 [pid 6711] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 6715 attached [pid 6714] <... set_robust_list resumed>) = 0 executing program [pid 6713] <... close resumed>) = 0 [pid 6713] write(1, "executing program\n", 18 [pid 6712] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6713] <... write resumed>) = 18 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6714 [pid 6713] perf_event_open( [pid 6715] set_robust_list(0x55558c953660, 24 [pid 6714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6712] <... bpf resumed>) = 7 [pid 6711] exit_group(0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6715 [pid 6715] <... set_robust_list resumed>) = 0 [pid 6714] <... prctl resumed>) = 0 [pid 6715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6714] setpgid(0, 0 [pid 6712] exit_group(0 [pid 6711] <... exit_group resumed>) = ? [pid 6715] <... prctl resumed>) = 0 [pid 6714] <... setpgid resumed>) = 0 [pid 6714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6712] <... exit_group resumed>) = ? [pid 6715] setpgid(0, 0 [pid 6714] <... openat resumed>) = 3 [pid 6713] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6711] +++ exited with 0 +++ [pid 6715] <... setpgid resumed>) = 0 [pid 6714] write(3, "1000", 4 [pid 6713] perf_event_open( [pid 6715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6714] <... write resumed>) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6715] <... openat resumed>) = 3 [pid 6714] close(3 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6715] write(3, "1000", 4 [pid 6714] <... close resumed>) = 0 [pid 6715] <... write resumed>) = 4 [pid 6714] write(1, "executing program\n", 18 [pid 6715] close(3executing program [pid 6714] <... write resumed>) = 18 [pid 6715] <... close resumed>) = 0 executing program [pid 6715] write(1, "executing program\n", 18) = 18 [pid 6715] perf_event_open( [pid 6714] perf_event_open( [pid 5875] <... restart_syscall resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6713] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6712] +++ exited with 0 +++ [pid 6715] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 6716 attached [pid 6715] perf_event_open( [pid 6714] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6713] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6716] set_robust_list(0x55558c953660, 24 [pid 6715] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6714] perf_event_open( [pid 6713] <... bpf resumed>) = 5 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6716 [pid 6716] <... set_robust_list resumed>) = 0 [pid 6714] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6714] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6716] <... prctl resumed>) = 0 [pid 6715] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6713] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6717 attached [pid 6716] setpgid(0, 0 [pid 6715] <... bpf resumed>) = 5 [pid 6714] <... bpf resumed>) = 5 [pid 6717] set_robust_list(0x55558c953660, 24 [pid 6716] <... setpgid resumed>) = 0 [pid 6714] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6717] <... set_robust_list resumed>) = 0 [pid 6716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 6715] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6714] <... bpf resumed>) = 6 [pid 6713] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6717 [pid 6717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6716] <... openat resumed>) = 3 [pid 6716] write(3, "1000", 4) = 4 [pid 6716] close(3) = 0 [pid 6716] write(1, "executing program\n", 18 [pid 6717] <... prctl resumed>) = 0 [pid 6716] <... write resumed>) = 18 [pid 6717] setpgid(0, 0 [pid 6715] <... bpf resumed>) = 6 [pid 6717] <... setpgid resumed>) = 0 [pid 6716] perf_event_open( [pid 6717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6716] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6715] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6714] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6717] <... openat resumed>) = 3 [pid 6716] perf_event_open( [pid 6713] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6716] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6715] <... bpf resumed>) = 7 [pid 6714] <... bpf resumed>) = 7 [pid 6713] <... bpf resumed>) = 7 [pid 6717] write(3, "1000", 4 [pid 6716] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6714] exit_group(0 [pid 6715] exit_group(0 [pid 6717] <... write resumed>) = 4 [pid 6716] <... bpf resumed>) = 5 [pid 6717] close(3 [pid 6715] <... exit_group resumed>) = ? [pid 6713] exit_group(0 [pid 6717] <... close resumed>) = 0 [pid 6716] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 6714] <... exit_group resumed>) = ? [pid 6717] write(1, "executing program\n", 18 [pid 6713] <... exit_group resumed>) = ? [pid 6717] <... write resumed>) = 18 [pid 6715] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6715, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6714] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 6716] <... bpf resumed>) = 6 [pid 6713] +++ exited with 0 +++ [pid 6717] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6717] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6717] perf_event_open( [pid 6716] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6718 attached [pid 6717] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6718] set_robust_list(0x55558c953660, 24 [pid 6717] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6718] <... set_robust_list resumed>) = 0 [pid 6717] <... bpf resumed>) = 5 [pid 6716] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6718 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6719 attached [pid 6718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6716] exit_group(0 [pid 6717] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6720 attached [pid 6719] set_robust_list(0x55558c953660, 24 [pid 6718] <... prctl resumed>) = 0 [pid 6716] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6719 [pid 6720] set_robust_list(0x55558c953660, 24 [pid 6718] setpgid(0, 0 [pid 6720] <... set_robust_list resumed>) = 0 [pid 6718] <... setpgid resumed>) = 0 [pid 6720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6720 [pid 6720] <... prctl resumed>) = 0 [pid 6719] <... set_robust_list resumed>) = 0 [pid 6718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6720] setpgid(0, 0 [pid 6719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6718] write(3, "1000", 4 [pid 6720] <... setpgid resumed>) = 0 [pid 6719] <... prctl resumed>) = 0 [pid 6718] <... write resumed>) = 4 [pid 6720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6719] setpgid(0, 0 [pid 6718] close(3 [pid 6717] <... bpf resumed>) = 6 [pid 6716] +++ exited with 0 +++ [pid 6719] <... setpgid resumed>) = 0 [pid 6718] <... close resumed>) = 0 [pid 6720] <... openat resumed>) = 3 executing program [pid 6719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6718] write(1, "executing program\n", 18 [pid 6717] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6718] <... write resumed>) = 18 [pid 6719] <... openat resumed>) = 3 [pid 6718] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6720] write(3, "1000", 4 [pid 6719] write(3, "1000", 4 [pid 6718] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6720] <... write resumed>) = 4 [pid 6719] <... write resumed>) = 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6720] close(3 [pid 6719] close(3 [pid 6720] <... close resumed>) = 0 [pid 6719] <... close resumed>) = 0 [pid 6718] perf_event_open(./strace-static-x86_64: Process 6721 attached executing program [pid 6720] write(1, "executing program\n", 18executing program [pid 6719] write(1, "executing program\n", 18 [pid 6721] set_robust_list(0x55558c953660, 24 [pid 6720] <... write resumed>) = 18 [pid 6719] <... write resumed>) = 18 [pid 6718] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6717] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6721 [pid 6721] <... set_robust_list resumed>) = 0 [pid 6720] perf_event_open( [pid 6719] perf_event_open( [pid 6718] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6720] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6719] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6718] <... bpf resumed>) = 5 [pid 6717] exit_group(0 [pid 6721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6720] perf_event_open( [pid 6719] perf_event_open( [pid 6718] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6717] <... exit_group resumed>) = ? [pid 6721] <... prctl resumed>) = 0 [pid 6719] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6721] setpgid(0, 0 [pid 6720] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6718] <... bpf resumed>) = 6 [pid 6717] +++ exited with 0 +++ [pid 6719] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 6719] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6721] <... setpgid resumed>) = 0 [pid 6720] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6717, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6720] <... bpf resumed>) = 5 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6721] <... openat resumed>) = 3 [pid 6718] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6721] write(3, "1000", 4) = 4 [pid 6721] close(3 [pid 6718] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6721] <... close resumed>) = 0 executing program ./strace-static-x86_64: Process 6722 attached [pid 6721] write(1, "executing program\n", 18 [pid 6720] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6722] set_robust_list(0x55558c953660, 24 [pid 6721] <... write resumed>) = 18 [pid 6719] <... bpf resumed>) = 6 [pid 6718] exit_group(0 [pid 6721] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6722 [pid 6721] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6721] perf_event_open( [pid 6722] <... set_robust_list resumed>) = 0 [pid 6720] <... bpf resumed>) = 6 [pid 6719] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6718] <... exit_group resumed>) = ? [pid 6721] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6721] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6718] +++ exited with 0 +++ [pid 6721] <... bpf resumed>) = 5 [pid 6720] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6721] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6719] <... bpf resumed>) = 7 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6722] <... prctl resumed>) = 0 [pid 6720] <... bpf resumed>) = 7 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6722] setpgid(0, 0 [pid 6720] exit_group(0 [pid 6719] exit_group(0 [pid 6722] <... setpgid resumed>) = 0 [pid 6722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6720] <... exit_group resumed>) = ? [pid 5871] <... restart_syscall resumed>) = 0 [pid 6722] <... openat resumed>) = 3 [pid 6721] <... bpf resumed>) = 6 [pid 6719] <... exit_group resumed>) = ? [pid 6721] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6723 attached [pid 6721] <... bpf resumed>) = 7 [pid 6720] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6720, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6721] exit_group(0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6723] set_robust_list(0x55558c953660, 24) = 0 [pid 6721] <... exit_group resumed>) = ? [pid 6723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6723 [pid 6723] <... prctl resumed>) = 0 [pid 6722] write(3, "1000", 4 [pid 6719] +++ exited with 0 +++ [pid 6722] <... write resumed>) = 4 [pid 6723] setpgid(0, 0 [pid 6722] close(3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6723] <... setpgid resumed>) = 0 [pid 6722] <... close resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6722] write(1, "executing program\n", 18executing program [pid 6723] <... openat resumed>) = 3 [pid 6722] <... write resumed>) = 18 [pid 6723] write(3, "1000", 4 [pid 6722] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6723] <... write resumed>) = 4 ./strace-static-x86_64: Process 6724 attached [pid 6723] close(3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6723] <... close resumed>) = 0 executing program [pid 6723] write(1, "executing program\n", 18) = 18 [pid 6723] perf_event_open(./strace-static-x86_64: Process 6725 attached [pid 6724] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6724 [pid 6725] set_robust_list(0x55558c953660, 24 [pid 6724] <... set_robust_list resumed>) = 0 [pid 6725] <... set_robust_list resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6725 [pid 6725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6725] <... prctl resumed>) = 0 [pid 6724] setpgid(0, 0 [pid 6725] setpgid(0, 0 [pid 6724] <... setpgid resumed>) = 0 [pid 6725] <... setpgid resumed>) = 0 [pid 6724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6723] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6722] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6721] +++ exited with 0 +++ [pid 6725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6723] perf_event_open( [pid 6724] <... openat resumed>) = 3 [pid 6723] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6722] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6721, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6725] <... openat resumed>) = 3 [pid 6724] write(3, "1000", 4 [pid 6723] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6722] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6725] write(3, "1000", 4 [pid 6724] <... write resumed>) = 4 [pid 6723] <... bpf resumed>) = 5 [pid 6722] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6725] <... write resumed>) = 4 [pid 6724] close(3 [pid 6723] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6722] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6726 attached [pid 6725] close(3 [pid 6724] <... close resumed>) = 0 [pid 6726] set_robust_list(0x55558c953660, 24) = 0 [pid 6726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6726 executing program executing program [pid 6726] <... prctl resumed>) = 0 [pid 6722] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6725] <... close resumed>) = 0 [pid 6724] write(1, "executing program\n", 18 [pid 6723] <... bpf resumed>) = 6 [pid 6725] write(1, "executing program\n", 18 [pid 6724] <... write resumed>) = 18 [pid 6723] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6725] <... write resumed>) = 18 [pid 6726] setpgid(0, 0 [pid 6725] perf_event_open( [pid 6724] perf_event_open( [pid 6723] <... bpf resumed>) = 7 [pid 6722] <... bpf resumed>) = 6 [pid 6726] <... setpgid resumed>) = 0 [pid 6725] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6724] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6725] perf_event_open( [pid 6723] exit_group(0executing program [pid 6722] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6726] <... openat resumed>) = 3 [pid 6725] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6724] perf_event_open( [pid 6726] write(3, "1000", 4 [pid 6723] <... exit_group resumed>) = ? [pid 6726] <... write resumed>) = 4 [pid 6722] <... bpf resumed>) = 7 [pid 6726] close(3) = 0 [pid 6726] write(1, "executing program\n", 18) = 18 [pid 6725] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6724] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6723] +++ exited with 0 +++ [pid 6722] exit_group(0 [pid 6726] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6726] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6725] <... bpf resumed>) = 5 [pid 6724] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6725] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6722] <... exit_group resumed>) = ? [pid 6724] <... bpf resumed>) = 5 [pid 6726] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 6722] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6726] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6725] <... bpf resumed>) = 6 [pid 6724] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6725] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 6726] <... bpf resumed>) = 6 [pid 6725] exit_group(0) = ? ./strace-static-x86_64: Process 6727 attached [pid 6726] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6724] <... bpf resumed>) = 6 [pid 6727] set_robust_list(0x55558c953660, 24) = 0 [pid 6726] <... bpf resumed>) = 7 [pid 6724] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6727 [pid 6727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6727] setpgid(0, 0) = 0 [pid 6727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6728 attached ) = 3 [pid 6725] +++ exited with 0 +++ [pid 6728] set_robust_list(0x55558c953660, 24 [pid 6727] write(3, "1000", 4 [pid 6724] <... bpf resumed>) = 7 [pid 6728] <... set_robust_list resumed>) = 0 [pid 6727] <... write resumed>) = 4 [pid 6724] exit_group(0 [pid 6728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6727] close(3executing program ) = 0 [pid 6727] write(1, "executing program\n", 18 [pid 6728] <... prctl resumed>) = 0 [pid 6727] <... write resumed>) = 18 [pid 6728] setpgid(0, 0 [pid 6727] perf_event_open( [pid 6726] exit_group(0 [pid 6724] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6728 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6728] <... setpgid resumed>) = 0 [pid 6726] <... exit_group resumed>) = ? [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6724] +++ exited with 0 +++ ./strace-static-x86_64: Process 6729 attached [pid 6729] set_robust_list(0x55558c953660, 24 [pid 6727] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6729] <... set_robust_list resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6729 [pid 6729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6727] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6724, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6729] <... prctl resumed>) = 0 [pid 6728] <... openat resumed>) = 3 [pid 6729] setpgid(0, 0 [pid 6728] write(3, "1000", 4 [pid 6729] <... setpgid resumed>) = 0 [pid 6728] <... write resumed>) = 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6728] close(3 [pid 6729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6730 attached ) = 3 [pid 6728] <... close resumed>) = 0 [pid 6728] write(1, "executing program\n", 18 [pid 6730] set_robust_list(0x55558c953660, 24) = 0 [pid 6729] write(3, "1000", 4 [pid 6730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6729] <... write resumed>) = 4 [pid 6729] close(3executing program [pid 6730] <... prctl resumed>) = 0 [pid 6729] <... close resumed>) = 0 [pid 6728] <... write resumed>) = 18 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6730 [pid 6730] setpgid(0, 0 [pid 6726] +++ exited with 0 +++ [pid 6730] <... setpgid resumed>) = 0 executing program [pid 6729] write(1, "executing program\n", 18 [pid 6728] perf_event_open( [pid 6730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6729] <... write resumed>) = 18 [pid 6728] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6727] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6728] perf_event_open( [pid 6730] <... openat resumed>) = 3 [pid 6729] perf_event_open( [pid 6728] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6727] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6730] write(3, "1000", 4 [pid 6729] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6728] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6727] <... bpf resumed>) = 5 [pid 6730] <... write resumed>) = 4 [pid 6729] perf_event_open( [pid 6727] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6728] <... bpf resumed>) = 5 [pid 6730] close(3 [pid 6729] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6730] <... close resumed>) = 0 [pid 6729] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 executing program [pid 6730] write(1, "executing program\n", 18 [pid 6729] <... bpf resumed>) = 5 [pid 6730] <... write resumed>) = 18 [pid 6729] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6728] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6727] <... bpf resumed>) = 6 [pid 6730] perf_event_open(./strace-static-x86_64: Process 6731 attached {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6729] <... bpf resumed>) = 6 [pid 6730] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6730] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6727] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6731] set_robust_list(0x55558c953660, 24 [pid 6730] <... bpf resumed>) = 5 [pid 6729] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6727] <... bpf resumed>) = 7 [pid 6731] <... set_robust_list resumed>) = 0 [pid 6730] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6729] <... bpf resumed>) = 7 [pid 6727] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6731 [pid 6731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6728] <... bpf resumed>) = 6 [pid 6727] <... exit_group resumed>) = ? [pid 6729] exit_group(0 [pid 6731] <... prctl resumed>) = 0 [pid 6729] <... exit_group resumed>) = ? [pid 6731] setpgid(0, 0 [pid 6728] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6731] <... setpgid resumed>) = 0 [pid 6731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6731] write(3, "1000", 4) = 4 [pid 6731] close(3) = 0 [pid 6730] <... bpf resumed>) = 6 executing program [pid 6731] write(1, "executing program\n", 18 [pid 6730] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6731] <... write resumed>) = 18 [pid 6728] <... bpf resumed>) = 7 [pid 6727] +++ exited with 0 +++ [pid 6731] perf_event_open( [pid 6730] <... bpf resumed>) = 7 [pid 6729] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6731] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6728] exit_group(0) = ? [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6731] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6731] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6730] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6731] <... bpf resumed>) = 5 [pid 6730] <... exit_group resumed>) = ? [pid 6728] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6728, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6731] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6732 attached [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6732] set_robust_list(0x55558c953660, 24) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6732 [pid 6732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6732] setpgid(0, 0) = 0 [pid 6732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6732] write(3, "1000", 4./strace-static-x86_64: Process 6733 attached [pid 6731] <... bpf resumed>) = 6 [pid 6730] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 6731] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6733] set_robust_list(0x55558c953660, 24 [pid 6732] <... write resumed>) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6733 [pid 6733] <... set_robust_list resumed>) = 0 [pid 6732] close(3 [pid 6731] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6731] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6735 attached ./strace-static-x86_64: Process 6734 attached [pid 6731] <... exit_group resumed>) = ? [pid 6732] <... close resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6735 [pid 6735] set_robust_list(0x55558c953660, 24 [pid 6733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6732] write(1, "executing program\n", 18executing program [pid 6735] <... set_robust_list resumed>) = 0 [pid 6734] set_robust_list(0x55558c953660, 24 [pid 6733] <... prctl resumed>) = 0 [pid 6732] <... write resumed>) = 18 [pid 6735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6734] <... set_robust_list resumed>) = 0 [pid 6733] setpgid(0, 0 [pid 6732] perf_event_open( [pid 6734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6733] <... setpgid resumed>) = 0 [pid 6734] <... prctl resumed>) = 0 [pid 6733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6732] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6735] <... prctl resumed>) = 0 [pid 6732] perf_event_open( [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6734 [pid 6735] setpgid(0, 0 [pid 6734] setpgid(0, 0 [pid 6733] <... openat resumed>) = 3 [pid 6735] <... setpgid resumed>) = 0 [pid 6734] <... setpgid resumed>) = 0 [pid 6735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6733] write(3, "1000", 4 [pid 6735] <... openat resumed>) = 3 [pid 6735] write(3, "1000", 4 [pid 6734] write(3, "1000", 4 [pid 6735] <... write resumed>) = 4 [pid 6734] <... write resumed>) = 4 [pid 6735] close(3 [pid 6734] close(3 [pid 6733] <... write resumed>) = 4 executing program executing program [pid 6735] <... close resumed>) = 0 [pid 6734] <... close resumed>) = 0 [pid 6733] close(3 [pid 6735] write(1, "executing program\n", 18 [pid 6734] write(1, "executing program\n", 18 [pid 6733] <... close resumed>) = 0 [pid 6735] <... write resumed>) = 18 [pid 6734] <... write resumed>) = 18 executing program [pid 6735] perf_event_open( [pid 6733] write(1, "executing program\n", 18 [pid 6734] perf_event_open( [pid 6733] <... write resumed>) = 18 [pid 6733] perf_event_open( [pid 6732] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6731] +++ exited with 0 +++ [pid 6732] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6735] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6734] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6733] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6733] perf_event_open( [pid 6732] <... bpf resumed>) = 5 [pid 6735] perf_event_open( [pid 6734] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6731, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6733] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6732] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6735] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6734] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6735] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6734] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6733] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6732] <... bpf resumed>) = 6 [pid 6735] <... bpf resumed>) = 5 [pid 6733] <... bpf resumed>) = 5 [pid 6732] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6734] <... bpf resumed>) = 5 [pid 6733] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6735] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6734] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6733] <... bpf resumed>) = 6 [pid 6732] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6732] exit_group(0./strace-static-x86_64: Process 6736 attached [pid 6735] <... bpf resumed>) = 6 [pid 6734] <... bpf resumed>) = 6 [pid 6733] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6732] <... exit_group resumed>) = ? [pid 6735] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6734] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6736] set_robust_list(0x55558c953660, 24) = 0 [pid 6735] <... bpf resumed>) = 7 [pid 6733] <... bpf resumed>) = 7 [pid 6736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6735] exit_group(0 [pid 6734] <... bpf resumed>) = 7 [pid 6733] exit_group(0 [pid 6736] <... prctl resumed>) = 0 [pid 6735] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6736 [pid 6736] setpgid(0, 0 [pid 6734] exit_group(0 [pid 6733] <... exit_group resumed>) = ? [pid 6732] +++ exited with 0 +++ [pid 6736] <... setpgid resumed>) = 0 [pid 6735] +++ exited with 0 +++ [pid 6736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6734] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6736] <... openat resumed>) = 3 [pid 6733] +++ exited with 0 +++ [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6736] write(3, "1000", 4 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6736] <... write resumed>) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6736] close(3 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6736] <... close resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 executing program [pid 6736] write(1, "executing program\n", 18) = 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6736] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6737 attached [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6737 [pid 6737] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 6738 attached [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6738] set_robust_list(0x55558c953660, 24 [pid 6737] <... set_robust_list resumed>) = 0 [pid 6738] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6739 attached [pid 6738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6738 [pid 6737] <... prctl resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6739 [pid 6738] <... prctl resumed>) = 0 [pid 6739] set_robust_list(0x55558c953660, 24 [pid 6738] setpgid(0, 0 [pid 6737] setpgid(0, 0 [pid 6738] <... setpgid resumed>) = 0 [pid 6739] <... set_robust_list resumed>) = 0 [pid 6738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6737] <... setpgid resumed>) = 0 [pid 6739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6739] <... prctl resumed>) = 0 [pid 6737] <... openat resumed>) = 3 [pid 6739] setpgid(0, 0) = 0 [pid 6739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6737] write(3, "1000", 4) = 4 [pid 6739] <... openat resumed>) = 3 [pid 6738] <... openat resumed>) = 3 [pid 6737] close(3 [pid 6739] write(3, "1000", 4 [pid 6737] <... close resumed>) = 0 [pid 6739] <... write resumed>) = 4 executing program [pid 6738] write(3, "1000", 4 [pid 6737] write(1, "executing program\n", 18 [pid 6739] close(3 [pid 6738] <... write resumed>) = 4 [pid 6739] <... close resumed>) = 0 [pid 6738] close(3 [pid 6737] <... write resumed>) = 18 executing program [pid 6739] write(1, "executing program\n", 18 [pid 6738] <... close resumed>) = 0 [pid 6737] perf_event_open( [pid 6739] <... write resumed>) = 18 executing program [pid 6738] write(1, "executing program\n", 18 [pid 6739] perf_event_open( [pid 6738] <... write resumed>) = 18 [pid 6738] perf_event_open( [pid 6734] +++ exited with 0 +++ [pid 6736] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6739] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6738] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6737] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6736] perf_event_open( [pid 5868] <... restart_syscall resumed>) = 0 [pid 6739] perf_event_open( [pid 6738] perf_event_open( [pid 6737] perf_event_open( [pid 6736] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6739] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6738] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6737] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6739] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6736] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6739] <... bpf resumed>) = 5 [pid 6738] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6737] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6736] <... bpf resumed>) = 5 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6739] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6738] <... bpf resumed>) = 5 [pid 6737] <... bpf resumed>) = 5 [pid 6736] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6740 attached [pid 6738] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6737] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6740] set_robust_list(0x55558c953660, 24 [pid 6739] <... bpf resumed>) = 6 [pid 6738] <... bpf resumed>) = 6 [pid 6736] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6740 [pid 6740] <... set_robust_list resumed>) = 0 [pid 6737] <... bpf resumed>) = 6 [pid 6738] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6737] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6739] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6740] setpgid(0, 0 [pid 6739] <... bpf resumed>) = 7 [pid 6737] <... bpf resumed>) = 7 [pid 6740] <... setpgid resumed>) = 0 [pid 6739] exit_group(0 [pid 6738] <... bpf resumed>) = 7 [pid 6737] exit_group(0 [pid 6736] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6739] <... exit_group resumed>) = ? [pid 6738] exit_group(0 [pid 6737] <... exit_group resumed>) = ? [pid 6736] <... bpf resumed>) = 7 [pid 6740] <... openat resumed>) = 3 [pid 6738] <... exit_group resumed>) = ? [pid 6736] exit_group(0) = ? [pid 6737] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6737, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6740] write(3, "1000", 4) = 4 [pid 6740] close(3executing program ) = 0 [pid 6740] write(1, "executing program\n", 18) = 18 [pid 6740] perf_event_open( [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6740] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6739] +++ exited with 0 +++ [pid 6740] perf_event_open(./strace-static-x86_64: Process 6741 attached [pid 6736] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6736, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6741 [pid 6741] set_robust_list(0x55558c953660, 24 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6741] <... set_robust_list resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6742 attached [pid 6741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6740] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6738] +++ exited with 0 +++ [pid 6742] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6742 ./strace-static-x86_64: Process 6743 attached [pid 6742] <... set_robust_list resumed>) = 0 [pid 6741] <... prctl resumed>) = 0 [pid 6740] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6741] setpgid(0, 0 [pid 6742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6741] <... setpgid resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6743 [pid 6742] <... prctl resumed>) = 0 [pid 6742] setpgid(0, 0 [pid 6741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6742] <... setpgid resumed>) = 0 [pid 6740] <... bpf resumed>) = 5 [pid 6743] set_robust_list(0x55558c953660, 24 [pid 6742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6743] <... set_robust_list resumed>) = 0 [pid 6741] <... openat resumed>) = 3 [pid 6740] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6742] write(3, "1000", 4 [pid 6741] write(3, "1000", 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6743] setpgid(0, 0 [pid 6742] <... write resumed>) = 4 [pid 6741] <... write resumed>) = 4 [pid 6743] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6744 attached [pid 6743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6742] close(3 [pid 6741] close(3 [pid 6744] set_robust_list(0x55558c953660, 24 [pid 6743] <... openat resumed>) = 3 [pid 6742] <... close resumed>) = 0 [pid 6741] <... close resumed>) = 0 [pid 6740] <... bpf resumed>) = 6 executing program [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6744 [pid 6744] <... set_robust_list resumed>) = 0 [pid 6743] write(3, "1000", 4 [pid 6742] write(1, "executing program\n", 18 [pid 6741] write(1, "executing program\n", 18executing program [pid 6740] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6743] <... write resumed>) = 4 [pid 6742] <... write resumed>) = 18 [pid 6741] <... write resumed>) = 18 [pid 6744] <... prctl resumed>) = 0 [pid 6743] close(3 [pid 6742] perf_event_open( [pid 6741] perf_event_open( [pid 6740] <... bpf resumed>) = 7 [pid 6744] setpgid(0, 0 [pid 6743] <... close resumed>) = 0 [pid 6742] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6741] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6744] <... setpgid resumed>) = 0 executing program [pid 6743] write(1, "executing program\n", 18 [pid 6742] perf_event_open( [pid 6741] perf_event_open( [pid 6743] <... write resumed>) = 18 [pid 6741] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6743] perf_event_open( [pid 6740] exit_group(0 [pid 6744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6742] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6743] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6741] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6743] perf_event_open( [pid 6742] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6740] <... exit_group resumed>) = ? [pid 6744] <... openat resumed>) = 3 [pid 6743] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6742] <... bpf resumed>) = 5 [pid 6742] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6741] <... bpf resumed>) = 5 [pid 6744] write(3, "1000", 4 [pid 6743] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6740] +++ exited with 0 +++ [pid 6741] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6744] <... write resumed>) = 4 [pid 6743] <... bpf resumed>) = 5 [pid 6742] <... bpf resumed>) = 6 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6740, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6744] close(3 [pid 6743] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6742] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6744] <... close resumed>) = 0 [pid 6741] <... bpf resumed>) = 6 executing program [pid 6744] write(1, "executing program\n", 18 [pid 6743] <... bpf resumed>) = 6 [pid 6742] <... bpf resumed>) = 7 [pid 6741] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6744] <... write resumed>) = 18 [pid 6743] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6741] <... bpf resumed>) = 7 [pid 6744] perf_event_open( [pid 6743] <... bpf resumed>) = 7 [pid 6742] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6744] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6743] exit_group(0 [pid 6741] exit_group(0) = ? ./strace-static-x86_64: Process 6745 attached [pid 6744] perf_event_open( [pid 6743] <... exit_group resumed>) = ? [pid 6742] <... exit_group resumed>) = ? [pid 6745] set_robust_list(0x55558c953660, 24 [pid 6744] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6741] +++ exited with 0 +++ [pid 6745] <... set_robust_list resumed>) = 0 [pid 6745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6745] setpgid(0, 0 [pid 6744] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6743] +++ exited with 0 +++ [pid 6742] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6745 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6745] <... setpgid resumed>) = 0 [pid 6745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6744] <... bpf resumed>) = 5 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6746 attached [pid 6745] <... openat resumed>) = 3 [pid 6744] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6746] set_robust_list(0x55558c953660, 24 [pid 6745] write(3, "1000", 4 [pid 6746] <... set_robust_list resumed>) = 0 [pid 6745] <... write resumed>) = 4 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6746 [pid 6746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6745] close(3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6745] <... close resumed>) = 0 [pid 6744] <... bpf resumed>) = 6 [pid 6744] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6748 attached ./strace-static-x86_64: Process 6747 attached [pid 6746] <... prctl resumed>) = 0 [pid 6745] write(1, "executing program\n", 18 [pid 6744] <... bpf resumed>) = 7 [pid 6748] set_robust_list(0x55558c953660, 24 [pid 6747] set_robust_list(0x55558c953660, 24 [pid 6745] <... write resumed>) = 18 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6747 [pid 6746] setpgid(0, 0 [pid 6745] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6748 executing program [pid 6748] <... set_robust_list resumed>) = 0 [pid 6747] <... set_robust_list resumed>) = 0 [pid 6746] <... setpgid resumed>) = 0 [pid 6745] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6744] exit_group(0 [pid 6747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6747] <... prctl resumed>) = 0 [pid 6746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6745] perf_event_open( [pid 6744] <... exit_group resumed>) = ? [pid 6748] <... prctl resumed>) = 0 [pid 6748] setpgid(0, 0 [pid 6745] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6747] setpgid(0, 0 [pid 6746] <... openat resumed>) = 3 [pid 6748] <... setpgid resumed>) = 0 [pid 6747] <... setpgid resumed>) = 0 [pid 6745] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6744] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6746] write(3, "1000", 4 [pid 6747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6745] <... bpf resumed>) = 5 [pid 6746] <... write resumed>) = 4 [pid 6747] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6748] <... openat resumed>) = 3 [pid 6747] write(3, "1000", 4 [pid 6746] close(3 [pid 6745] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6749 attached [pid 6748] write(3, "1000", 4 [pid 6747] <... write resumed>) = 4 [pid 6746] <... close resumed>) = 0 [pid 6749] set_robust_list(0x55558c953660, 24 [pid 6748] <... write resumed>) = 4 [pid 6747] close(3 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6749 executing program [pid 6749] <... set_robust_list resumed>) = 0 [pid 6748] close(3 [pid 6747] <... close resumed>) = 0 [pid 6746] write(1, "executing program\n", 18executing program [pid 6749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6748] <... close resumed>) = 0 [pid 6747] write(1, "executing program\n", 18 [pid 6746] <... write resumed>) = 18 [pid 6747] <... write resumed>) = 18 [pid 6745] <... bpf resumed>) = 6 [pid 6749] <... prctl resumed>) = 0 executing program [pid 6748] write(1, "executing program\n", 18 [pid 6747] perf_event_open( [pid 6746] perf_event_open( [pid 6749] setpgid(0, 0 [pid 6748] <... write resumed>) = 18 [pid 6745] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6749] <... setpgid resumed>) = 0 [pid 6748] perf_event_open( [pid 6747] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6746] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6745] <... bpf resumed>) = 7 [pid 6749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6748] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6747] perf_event_open( [pid 6746] perf_event_open( [pid 6749] <... openat resumed>) = 3 [pid 6748] perf_event_open( [pid 6747] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6745] exit_group(0 [pid 6746] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6748] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6746] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6749] write(3, "1000", 4 [pid 6748] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6747] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6746] <... bpf resumed>) = 5 [pid 6745] <... exit_group resumed>) = ? [pid 6749] <... write resumed>) = 4 [pid 6748] <... bpf resumed>) = 5 [pid 6747] <... bpf resumed>) = 5 [pid 6746] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6749] close(3 [pid 6748] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6749] <... close resumed>) = 0 executing program [pid 6749] write(1, "executing program\n", 18 [pid 6747] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6745] +++ exited with 0 +++ [pid 6749] <... write resumed>) = 18 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6749] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6748] <... bpf resumed>) = 6 [pid 6747] <... bpf resumed>) = 6 [pid 6746] <... bpf resumed>) = 6 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6749] perf_event_open( [pid 6748] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6747] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6746] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6749] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6749] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6747] <... bpf resumed>) = 7 [pid 6749] <... bpf resumed>) = 5 [pid 6748] <... bpf resumed>) = 7 [pid 6747] exit_group(0 [pid 6746] <... bpf resumed>) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6748] exit_group(0 [pid 6746] exit_group(0 [pid 6749] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6747] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6750 attached [pid 6748] <... exit_group resumed>) = ? [pid 6747] +++ exited with 0 +++ [pid 6746] <... exit_group resumed>) = ? [pid 6750] set_robust_list(0x55558c953660, 24 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6750] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6750 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6749] <... bpf resumed>) = 6 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6750] <... prctl resumed>) = 0 [pid 6749] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6748] +++ exited with 0 +++ [pid 6746] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6748, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6750] setpgid(0, 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6750] <... setpgid resumed>) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6749] <... bpf resumed>) = 7 [pid 6750] <... openat resumed>) = 3 [pid 6749] exit_group(0./strace-static-x86_64: Process 6751 attached [pid 6750] write(3, "1000", 4 [pid 6749] <... exit_group resumed>) = ? [pid 5875] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6750] <... write resumed>) = 4 [pid 6751] set_robust_list(0x55558c953660, 24) = 0 [pid 6750] close(3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6751 [pid 6750] <... close resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6750] write(1, "executing program\n", 18executing program ) = 18 [pid 6750] perf_event_open( [pid 6751] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6753 attached ./strace-static-x86_64: Process 6752 attached [pid 6750] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6749] +++ exited with 0 +++ [pid 6752] set_robust_list(0x55558c953660, 24 [pid 6751] setpgid(0, 0 [pid 6750] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6752 [pid 6751] <... setpgid resumed>) = 0 [pid 6750] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6753 [pid 6751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6753] set_robust_list(0x55558c953660, 24 [pid 6751] <... openat resumed>) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6752] <... set_robust_list resumed>) = 0 [pid 6753] <... set_robust_list resumed>) = 0 [pid 6750] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6751] write(3, "1000", 4 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6753] <... prctl resumed>) = 0 [pid 6752] <... prctl resumed>) = 0 [pid 6751] <... write resumed>) = 4 [pid 6750] <... bpf resumed>) = 5 [pid 6751] close(3 [pid 6750] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6753] setpgid(0, 0 [pid 6752] setpgid(0, 0 [pid 6751] <... close resumed>) = 0 [pid 6753] <... setpgid resumed>) = 0 executing program [pid 6752] <... setpgid resumed>) = 0 [pid 6751] write(1, "executing program\n", 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6751] <... write resumed>) = 18 ./strace-static-x86_64: Process 6754 attached [pid 6751] perf_event_open( [pid 6754] set_robust_list(0x55558c953660, 24 [pid 6753] <... openat resumed>) = 3 [pid 6751] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6754] <... set_robust_list resumed>) = 0 [pid 6754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6753] write(3, "1000", 4 [pid 6752] <... openat resumed>) = 3 [pid 6751] perf_event_open( [pid 6754] <... prctl resumed>) = 0 [pid 6753] <... write resumed>) = 4 [pid 6750] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6754 [pid 6753] close(3 [pid 6752] write(3, "1000", 4 [pid 6751] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6753] <... close resumed>) = 0 [pid 6752] <... write resumed>) = 4 [pid 6754] setpgid(0, 0executing program [pid 6753] write(1, "executing program\n", 18 [pid 6751] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6750] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6754] <... setpgid resumed>) = 0 [pid 6753] <... write resumed>) = 18 [pid 6752] close(3 [pid 6751] <... bpf resumed>) = 5 [pid 6750] <... bpf resumed>) = 7 [pid 6754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6753] perf_event_open( [pid 6752] <... close resumed>) = 0 [pid 6751] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6750] exit_group(0 [pid 6753] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6752] write(1, "executing program\n", 18executing program [pid 6754] <... openat resumed>) = 3 [pid 6753] perf_event_open( [pid 6752] <... write resumed>) = 18 [pid 6750] <... exit_group resumed>) = ? [pid 6754] write(3, "1000", 4 [pid 6753] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6752] perf_event_open( [pid 6753] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6752] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6754] <... write resumed>) = 4 [pid 6751] <... bpf resumed>) = 6 [pid 6754] close(3 [pid 6753] <... bpf resumed>) = 5 [pid 6752] perf_event_open( [pid 6750] +++ exited with 0 +++ [pid 6754] <... close resumed>) = 0 executing program [pid 6751] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6754] write(1, "executing program\n", 18 [pid 6753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6754] <... write resumed>) = 18 [pid 6752] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6750, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6754] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6754] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6754] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 6753] <... bpf resumed>) = 6 [pid 6752] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6751] <... bpf resumed>) = 7 [pid 6753] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 6752] <... bpf resumed>) = 5 [pid 6751] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6754] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6753] exit_group(0) = ? ./strace-static-x86_64: Process 6755 attached [pid 6753] +++ exited with 0 +++ [pid 6752] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6755] set_robust_list(0x55558c953660, 24) = 0 [pid 6755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6755] setpgid(0, 0 [pid 6754] <... bpf resumed>) = 6 [pid 6752] <... bpf resumed>) = 6 [pid 6751] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6755 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6753, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6754] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6752] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6755] <... setpgid resumed>) = 0 [pid 6755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6754] <... bpf resumed>) = 7 [pid 6752] <... bpf resumed>) = 7 [pid 6755] <... openat resumed>) = 3 [pid 6754] exit_group(0 [pid 6752] exit_group(0 [pid 6755] write(3, "1000", 4 [pid 6754] <... exit_group resumed>) = ? [pid 6752] <... exit_group resumed>) = ? [pid 6751] +++ exited with 0 +++ [pid 6755] <... write resumed>) = 4 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6755] close(3 [pid 6754] +++ exited with 0 +++ [pid 6755] <... close resumed>) = 0 executing program [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6755] write(1, "executing program\n", 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6755] <... write resumed>) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6756 attached [pid 6756] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 6757 attached ) = 0 [pid 6755] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6757 [pid 6756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6756 [pid 6757] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 6758 attached [pid 6756] <... prctl resumed>) = 0 [pid 6758] set_robust_list(0x55558c953660, 24 [pid 6757] <... set_robust_list resumed>) = 0 [pid 6756] setpgid(0, 0 [pid 6758] <... set_robust_list resumed>) = 0 [pid 6757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6758 [pid 6758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6756] <... setpgid resumed>) = 0 [pid 6758] <... prctl resumed>) = 0 [pid 6757] <... prctl resumed>) = 0 [pid 6758] setpgid(0, 0 [pid 6757] setpgid(0, 0 [pid 6758] <... setpgid resumed>) = 0 [pid 6757] <... setpgid resumed>) = 0 [pid 6758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6758] <... openat resumed>) = 3 [pid 6756] <... openat resumed>) = 3 [pid 6757] <... openat resumed>) = 3 [pid 6756] write(3, "1000", 4 [pid 6758] write(3, "1000", 4 [pid 6757] write(3, "1000", 4 [pid 6755] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6752] +++ exited with 0 +++ [pid 6758] <... write resumed>) = 4 [pid 6757] <... write resumed>) = 4 [pid 6756] <... write resumed>) = 4 [pid 6755] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6758] close(3 [pid 6757] close(3 [pid 6756] close(3 [pid 6758] <... close resumed>) = 0 [pid 6757] <... close resumed>) = 0 [pid 6756] <... close resumed>) = 0 [pid 6755] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program executing program executing program [pid 6758] write(1, "executing program\n", 18 [pid 6757] write(1, "executing program\n", 18 [pid 6756] write(1, "executing program\n", 18 [pid 6758] <... write resumed>) = 18 [pid 6757] <... write resumed>) = 18 [pid 6756] <... write resumed>) = 18 [pid 6758] perf_event_open( [pid 6757] perf_event_open( [pid 6755] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6756] perf_event_open( [pid 6755] <... bpf resumed>) = 5 [pid 6758] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6757] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6756] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6758] perf_event_open( [pid 6755] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6758] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6756] perf_event_open( [pid 6757] perf_event_open( [pid 6756] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6757] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6758] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6756] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6755] <... bpf resumed>) = 6 [pid 6757] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6758] <... bpf resumed>) = 5 [pid 6757] <... bpf resumed>) = 5 [pid 6756] <... bpf resumed>) = 5 [pid 6755] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6758] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6759 attached [pid 6759] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6759 [pid 6759] <... set_robust_list resumed>) = 0 [pid 6759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6759] setpgid(0, 0 [pid 6758] <... bpf resumed>) = 6 [pid 6757] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6756] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6755] <... bpf resumed>) = 7 [pid 6759] <... setpgid resumed>) = 0 [pid 6758] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6755] exit_group(0 [pid 6759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6758] <... bpf resumed>) = 7 [pid 6755] <... exit_group resumed>) = ? [pid 6757] <... bpf resumed>) = 6 [pid 6759] <... openat resumed>) = 3 [pid 6758] exit_group(0 [pid 6756] <... bpf resumed>) = 6 [pid 6758] <... exit_group resumed>) = ? [pid 6759] write(3, "1000", 4) = 4 [pid 6759] close(3 [pid 6757] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6756] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program [pid 6755] +++ exited with 0 +++ [pid 6759] <... close resumed>) = 0 [pid 6758] +++ exited with 0 +++ [pid 6759] write(1, "executing program\n", 18) = 18 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6758, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6759] perf_event_open( [pid 6757] <... bpf resumed>) = 7 [pid 6756] <... bpf resumed>) = 7 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6759] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6759] perf_event_open( [pid 6757] exit_group(0 [pid 6759] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 6760 attached [pid 6756] exit_group(0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6760 [pid 6760] set_robust_list(0x55558c953660, 24 [pid 6759] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6757] <... exit_group resumed>) = ? [pid 6756] <... exit_group resumed>) = ? [pid 6760] <... set_robust_list resumed>) = 0 [pid 6759] <... bpf resumed>) = 5 [pid 6760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6760] setpgid(0, 0 [pid 6759] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6757] +++ exited with 0 +++ [pid 6756] +++ exited with 0 +++ [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6761 attached [pid 6760] <... setpgid resumed>) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6756, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6761 [pid 6761] set_robust_list(0x55558c953660, 24 [pid 6760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6759] <... bpf resumed>) = 6 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6761] <... set_robust_list resumed>) = 0 [pid 6759] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6760] <... openat resumed>) = 3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6762 attached [pid 6761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6762] set_robust_list(0x55558c953660, 24 [pid 6761] <... prctl resumed>) = 0 [pid 6760] write(3, "1000", 4 [pid 6762] <... set_robust_list resumed>) = 0 [pid 6761] setpgid(0, 0 [pid 6760] <... write resumed>) = 4 [pid 6759] <... bpf resumed>) = 7 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6762 ./strace-static-x86_64: Process 6763 attached [pid 6762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6761] <... setpgid resumed>) = 0 [pid 6760] close(3 [pid 6759] exit_group(0 [pid 6762] <... prctl resumed>) = 0 [pid 6763] set_robust_list(0x55558c953660, 24 [pid 6761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6760] <... close resumed>) = 0 [pid 6759] <... exit_group resumed>) = ? [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6763 [pid 6763] <... set_robust_list resumed>) = 0 executing program [pid 6762] setpgid(0, 0 [pid 6761] <... openat resumed>) = 3 [pid 6760] write(1, "executing program\n", 18 [pid 6762] <... setpgid resumed>) = 0 [pid 6761] write(3, "1000", 4 [pid 6760] <... write resumed>) = 18 [pid 6762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6761] <... write resumed>) = 4 [pid 6761] close(3 [pid 6760] perf_event_open( [pid 6761] <... close resumed>) = 0 [pid 6763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6762] <... openat resumed>) = 3 [pid 6761] write(1, "executing program\n", 18 [pid 6763] <... prctl resumed>) = 0 [pid 6763] setpgid(0, 0executing program ) = 0 [pid 6762] write(3, "1000", 4 [pid 6761] <... write resumed>) = 18 [pid 6760] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6759] +++ exited with 0 +++ [pid 6763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6762] <... write resumed>) = 4 [pid 6761] perf_event_open( [pid 6760] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6763] <... openat resumed>) = 3 [pid 6762] close(3 [pid 6761] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6760] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6763] write(3, "1000", 4 [pid 6762] <... close resumed>) = 0 [pid 6761] perf_event_open( [pid 6760] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6763] <... write resumed>) = 4 executing program [pid 6762] write(1, "executing program\n", 18 [pid 6761] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6763] close(3 [pid 6762] <... write resumed>) = 18 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6763] <... close resumed>) = 0 [pid 6762] perf_event_open( [pid 6761] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6760] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6764 attached executing program [pid 6763] write(1, "executing program\n", 18 [pid 6762] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6761] <... bpf resumed>) = 5 [pid 6763] <... write resumed>) = 18 [pid 6762] perf_event_open( [pid 6764] set_robust_list(0x55558c953660, 24 [pid 6763] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6764 [pid 6764] <... set_robust_list resumed>) = 0 [pid 6763] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6760] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6763] perf_event_open( [pid 6762] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6761] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6764] <... prctl resumed>) = 0 [pid 6763] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6762] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6764] setpgid(0, 0) = 0 [pid 6763] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6762] <... bpf resumed>) = 5 [pid 6760] <... bpf resumed>) = 6 [pid 6764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6763] <... bpf resumed>) = 5 [pid 6761] <... bpf resumed>) = 6 [pid 6764] <... openat resumed>) = 3 [pid 6763] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6760] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6764] write(3, "1000", 4 [pid 6762] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6761] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 6760] <... bpf resumed>) = 7 [pid 6764] <... write resumed>) = 4 [pid 6761] exit_group(0 [pid 6760] exit_group(0) = ? [pid 6764] close(3 [pid 6761] <... exit_group resumed>) = ? [pid 6764] <... close resumed>) = 0 [pid 6762] <... bpf resumed>) = 6 [pid 6762] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program [pid 6764] write(1, "executing program\n", 18 [pid 6763] <... bpf resumed>) = 6 [pid 6764] <... write resumed>) = 18 [pid 6764] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6763] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6764] perf_event_open( [pid 6762] <... bpf resumed>) = 7 [pid 6761] +++ exited with 0 +++ [pid 6760] +++ exited with 0 +++ [pid 6762] exit_group(0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6764] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6764] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6763] <... bpf resumed>) = 7 [pid 6762] <... exit_group resumed>) = ? [pid 6764] <... bpf resumed>) = 5 [pid 6763] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6765 attached [pid 6763] <... exit_group resumed>) = ? [pid 6764] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6766 ./strace-static-x86_64: Process 6766 attached [pid 6765] set_robust_list(0x55558c953660, 24 [pid 6764] <... bpf resumed>) = 6 [pid 6763] +++ exited with 0 +++ [pid 6762] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6765 [pid 6764] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6766] set_robust_list(0x55558c953660, 24 [pid 6765] <... set_robust_list resumed>) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6763, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6766] <... set_robust_list resumed>) = 0 [pid 6765] <... prctl resumed>) = 0 [pid 6766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6764] <... bpf resumed>) = 7 [pid 6766] <... prctl resumed>) = 0 [pid 6765] setpgid(0, 0 [pid 6766] setpgid(0, 0 [pid 6765] <... setpgid resumed>) = 0 [pid 6764] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6766] <... setpgid resumed>) = 0 [pid 6765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6765] <... openat resumed>) = 3 [pid 6764] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6767 attached [pid 6766] <... openat resumed>) = 3 [pid 6765] write(3, "1000", 4) = 4 [pid 6765] close(3) = 0 [pid 6766] write(3, "1000", 4executing program [pid 6765] write(1, "executing program\n", 18 [pid 6766] <... write resumed>) = 4 [pid 6766] close(3 [pid 6765] <... write resumed>) = 18 [pid 6766] <... close resumed>) = 0 [pid 6765] perf_event_open(./strace-static-x86_64: Process 6768 attached executing program [pid 6767] set_robust_list(0x55558c953660, 24 [pid 6766] write(1, "executing program\n", 18 [pid 6767] <... set_robust_list resumed>) = 0 [pid 6766] <... write resumed>) = 18 [pid 6768] set_robust_list(0x55558c953660, 24 [pid 6767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6766] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6767 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6768 [pid 6768] <... set_robust_list resumed>) = 0 [pid 6767] <... prctl resumed>) = 0 [pid 6768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6767] setpgid(0, 0 [pid 6768] setpgid(0, 0 [pid 6767] <... setpgid resumed>) = 0 [pid 6768] <... setpgid resumed>) = 0 [pid 6767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6767] <... openat resumed>) = 3 [pid 6767] write(3, "1000", 4) = 4 [pid 6768] <... openat resumed>) = 3 [pid 6767] close(3 [pid 6766] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6765] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6764] +++ exited with 0 +++ [pid 6768] write(3, "1000", 4 [pid 6767] <... close resumed>) = 0 [pid 6766] perf_event_open(executing program [pid 6768] <... write resumed>) = 4 [pid 6767] write(1, "executing program\n", 18 [pid 6766] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6765] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6764, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6768] close(3 [pid 6767] <... write resumed>) = 18 [pid 6766] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6765] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 6768] <... close resumed>) = 0 [pid 6767] perf_event_open( [pid 6768] write(1, "executing program\n", 18) = 18 [pid 6767] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6766] <... bpf resumed>) = 5 [pid 6765] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6768] perf_event_open( [pid 6767] perf_event_open( [pid 6766] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6765] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6769 attached [pid 6768] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6767] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6767] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6765] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6769] set_robust_list(0x55558c953660, 24 [pid 6768] perf_event_open( [pid 6767] <... bpf resumed>) = 5 [pid 6766] <... bpf resumed>) = 6 [pid 6768] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6767] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6769] <... set_robust_list resumed>) = 0 [pid 6766] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6769 [pid 6768] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6766] <... bpf resumed>) = 7 [pid 6767] <... bpf resumed>) = 6 [pid 6768] <... bpf resumed>) = 5 [pid 6769] <... prctl resumed>) = 0 [pid 6768] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6767] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6766] exit_group(0 [pid 6765] <... bpf resumed>) = 6 [pid 6769] setpgid(0, 0 [pid 6767] <... bpf resumed>) = 7 [pid 6766] <... exit_group resumed>) = ? [pid 6769] <... setpgid resumed>) = 0 [pid 6768] <... bpf resumed>) = 6 [pid 6765] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6768] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6767] exit_group(0 [pid 6765] <... bpf resumed>) = 7 [pid 6769] <... openat resumed>) = 3 [pid 6768] <... bpf resumed>) = 7 [pid 6767] <... exit_group resumed>) = ? [pid 6765] exit_group(0) = ? [pid 6769] write(3, "1000", 4 [pid 6768] exit_group(0 [pid 6767] +++ exited with 0 +++ [pid 6766] +++ exited with 0 +++ [pid 6769] <... write resumed>) = 4 [pid 6769] close(3 [pid 6768] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6766, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6769] <... close resumed>) = 0 [pid 6765] +++ exited with 0 +++ [pid 6769] write(1, "executing program\n", 18 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6765, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6769] <... write resumed>) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6769] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6770 attached ./strace-static-x86_64: Process 6771 attached , child_tidptr=0x55558c953650) = 6771 [pid 6771] set_robust_list(0x55558c953660, 24 [pid 6770] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6770 [pid 6771] <... set_robust_list resumed>) = 0 [pid 6770] <... set_robust_list resumed>) = 0 [pid 6771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6771] <... prctl resumed>) = 0 [pid 6771] setpgid(0, 0 [pid 6770] <... prctl resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6771] <... setpgid resumed>) = 0 [pid 6770] setpgid(0, 0) = 0 [pid 6770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6770] <... openat resumed>) = 3 [pid 6771] <... openat resumed>) = 3 [pid 6769] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6768] +++ exited with 0 +++ [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6770] write(3, "1000", 4) = 4 [pid 6770] close(3executing program ) = 0 [pid 6770] write(1, "executing program\n", 18 [pid 6769] perf_event_open( [pid 6770] <... write resumed>) = 18 [pid 6770] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 6772 attached [pid 6771] write(3, "1000", 4 [pid 6769] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6772] set_robust_list(0x55558c953660, 24 [pid 6771] <... write resumed>) = 4 [pid 6770] perf_event_open( [pid 6769] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6772 [pid 6772] <... set_robust_list resumed>) = 0 [pid 6771] close(3 [pid 6770] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6769] <... bpf resumed>) = 5 [pid 6772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6771] <... close resumed>) = 0 [pid 6771] write(1, "executing program\n", 18executing program [pid 6772] <... prctl resumed>) = 0 [pid 6771] <... write resumed>) = 18 [pid 6770] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6769] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6772] setpgid(0, 0 [pid 6771] perf_event_open( [pid 6770] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6773 attached [pid 6772] <... setpgid resumed>) = 0 [pid 6771] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6770] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6769] <... bpf resumed>) = 6 [pid 6772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6773] set_robust_list(0x55558c953660, 24 [pid 6772] <... openat resumed>) = 3 [pid 6771] perf_event_open( [pid 6769] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6773 [pid 6773] <... set_robust_list resumed>) = 0 [pid 6772] write(3, "1000", 4 [pid 6773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6772] <... write resumed>) = 4 [pid 6769] <... bpf resumed>) = 7 [pid 6773] <... prctl resumed>) = 0 [pid 6772] close(3 [pid 6771] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6773] setpgid(0, 0 [pid 6772] <... close resumed>) = 0 [pid 6771] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6769] exit_group(0 [pid 6773] <... setpgid resumed>) = 0 [pid 6772] write(1, "executing program\n", 18 [pid 6771] <... bpf resumed>) = 5 [pid 6770] <... bpf resumed>) = 6 [pid 6773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6772] <... write resumed>) = 18 [pid 6771] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6772] perf_event_open( [pid 6770] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6773] <... openat resumed>) = 3 [pid 6769] <... exit_group resumed>) = ? [pid 6770] <... bpf resumed>) = 7 [pid 6772] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6773] write(3, "1000", 4) = 4 [pid 6772] perf_event_open( [pid 6770] exit_group(0 [pid 6773] close(3 [pid 6772] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6771] <... bpf resumed>) = 6 [pid 6770] <... exit_group resumed>) = ? [pid 6769] +++ exited with 0 +++ [pid 6773] <... close resumed>) = 0 [pid 6772] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6771] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6769, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6773] write(1, "executing program\n", 18 [pid 6772] <... bpf resumed>) = 5 [pid 6771] <... bpf resumed>) = 7 [pid 6770] +++ exited with 0 +++ [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6773] <... write resumed>) = 18 [pid 6772] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6771] exit_group(0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6770, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6773] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6773] perf_event_open( [pid 6771] <... exit_group resumed>) = ? [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6774 attached [pid 6773] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6772] <... bpf resumed>) = 6 [pid 6771] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6774] set_robust_list(0x55558c953660, 24 [pid 6773] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6774] <... set_robust_list resumed>) = 0 [pid 6773] <... bpf resumed>) = 5 [pid 6774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6773] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6775 attached [pid 6774] <... prctl resumed>) = 0 [pid 6772] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6775] set_robust_list(0x55558c953660, 24 [pid 6774] setpgid(0, 0 [pid 6773] <... bpf resumed>) = 6 [pid 6772] <... bpf resumed>) = 7 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6774 [pid 6775] <... set_robust_list resumed>) = 0 [pid 6774] <... setpgid resumed>) = 0 [pid 6773] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6773] <... bpf resumed>) = 7 [pid 6772] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6775 [pid 6775] <... prctl resumed>) = 0 [pid 6772] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6775] setpgid(0, 0 [pid 6774] <... openat resumed>) = 3 [pid 6773] exit_group(0 [pid 6774] write(3, "1000", 4./strace-static-x86_64: Process 6776 attached [pid 6775] <... setpgid resumed>) = 0 [pid 6774] <... write resumed>) = 4 [pid 6773] <... exit_group resumed>) = ? [pid 6772] +++ exited with 0 +++ [pid 6776] set_robust_list(0x55558c953660, 24 [pid 6775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6774] close(3 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6776 [pid 6776] <... set_robust_list resumed>) = 0 [pid 6774] <... close resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6772, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6775] <... openat resumed>) = 3 [pid 6774] write(1, "executing program\n", 18 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... restart_syscall resumed>) = 0 [pid 6776] <... prctl resumed>) = 0 [pid 6774] <... write resumed>) = 18 [pid 6775] write(3, "1000", 4executing program [pid 6776] setpgid(0, 0 [pid 6775] <... write resumed>) = 4 [pid 6774] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6776] <... setpgid resumed>) = 0 [pid 6775] close(3) = 0 [pid 6776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6775] write(1, "executing program\n", 18executing program ) = 18 [pid 6776] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6777 attached [pid 6775] perf_event_open( [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6777 [pid 6777] set_robust_list(0x55558c953660, 24 [pid 6776] write(3, "1000", 4 [pid 6777] <... set_robust_list resumed>) = 0 [pid 6776] <... write resumed>) = 4 [pid 6777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6776] close(3 [pid 6777] <... prctl resumed>) = 0 [pid 6776] <... close resumed>) = 0 [pid 6777] setpgid(0, 0 [pid 6776] write(1, "executing program\n", 18executing program [pid 6777] <... setpgid resumed>) = 0 [pid 6776] <... write resumed>) = 18 [pid 6777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6776] perf_event_open( [pid 6777] <... openat resumed>) = 3 [pid 6777] write(3, "1000", 4) = 4 [pid 6777] close(3executing program ) = 0 [pid 6777] write(1, "executing program\n", 18) = 18 [pid 6777] perf_event_open( [pid 6773] +++ exited with 0 +++ [pid 6775] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6774] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6775] perf_event_open( [pid 6776] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6774] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6776] perf_event_open( [pid 6777] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6775] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6774] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6777] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6775] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6777] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6775] <... bpf resumed>) = 5 [pid 6777] <... bpf resumed>) = 5 [pid 6776] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6774] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6777] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6776] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6775] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6774] <... bpf resumed>) = 5 [pid 6776] <... bpf resumed>) = 5 [pid 6774] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6777] <... bpf resumed>) = 6 [pid 6776] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6774] <... bpf resumed>) = 6 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6777] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6776] <... bpf resumed>) = 6 [pid 6775] <... bpf resumed>) = 6 [pid 6774] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6776] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6778 attached [pid 6777] <... bpf resumed>) = 7 [pid 6775] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6774] <... bpf resumed>) = 7 [pid 6778] set_robust_list(0x55558c953660, 24 [pid 6776] <... bpf resumed>) = 7 [pid 6775] <... bpf resumed>) = 7 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6778 [pid 6778] <... set_robust_list resumed>) = 0 [pid 6778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6776] exit_group(0 [pid 6774] exit_group(0 [pid 6778] <... prctl resumed>) = 0 [pid 6777] exit_group(0 [pid 6778] setpgid(0, 0 [pid 6776] <... exit_group resumed>) = ? [pid 6778] <... setpgid resumed>) = 0 [pid 6777] <... exit_group resumed>) = ? [pid 6775] exit_group(0 [pid 6778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6777] +++ exited with 0 +++ [pid 6778] <... openat resumed>) = 3 [pid 6774] <... exit_group resumed>) = ? [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6778] write(3, "1000", 4 [pid 6775] <... exit_group resumed>) = ? [pid 6778] <... write resumed>) = 4 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6778] close(3) = 0 executing program [pid 6776] +++ exited with 0 +++ [pid 6778] write(1, "executing program\n", 18) = 18 [pid 6778] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6776, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6778] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6778] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6778] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 6775] +++ exited with 0 +++ [pid 6774] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6778] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6774, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6779 attached [pid 6778] <... bpf resumed>) = 6 [pid 6779] set_robust_list(0x55558c953660, 24 [pid 6778] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6779] <... set_robust_list resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6779 ./strace-static-x86_64: Process 6781 attached ./strace-static-x86_64: Process 6780 attached [pid 6779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6778] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 6782 attached [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6780 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6782 [pid 6782] set_robust_list(0x55558c953660, 24 [pid 6781] set_robust_list(0x55558c953660, 24 [pid 6780] set_robust_list(0x55558c953660, 24 [pid 6779] <... prctl resumed>) = 0 [pid 6778] exit_group(0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6781 [pid 6782] <... set_robust_list resumed>) = 0 [pid 6781] <... set_robust_list resumed>) = 0 [pid 6780] <... set_robust_list resumed>) = 0 [pid 6779] setpgid(0, 0 [pid 6782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6778] <... exit_group resumed>) = ? [pid 6782] <... prctl resumed>) = 0 [pid 6780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6779] <... setpgid resumed>) = 0 [pid 6782] setpgid(0, 0 [pid 6781] <... prctl resumed>) = 0 [pid 6780] <... prctl resumed>) = 0 [pid 6779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6782] <... setpgid resumed>) = 0 [pid 6780] setpgid(0, 0 [pid 6782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6781] setpgid(0, 0 [pid 6780] <... setpgid resumed>) = 0 [pid 6779] <... openat resumed>) = 3 [pid 6781] <... setpgid resumed>) = 0 [pid 6780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6780] <... openat resumed>) = 3 [pid 6782] <... openat resumed>) = 3 [pid 6779] write(3, "1000", 4 [pid 6782] write(3, "1000", 4 [pid 6781] <... openat resumed>) = 3 [pid 6780] write(3, "1000", 4 [pid 6779] <... write resumed>) = 4 [pid 6782] <... write resumed>) = 4 [pid 6781] write(3, "1000", 4 [pid 6780] <... write resumed>) = 4 [pid 6779] close(3 [pid 6782] close(3 [pid 6781] <... write resumed>) = 4 [pid 6780] close(3 [pid 6779] <... close resumed>) = 0 executing program [pid 6782] <... close resumed>) = 0 [pid 6781] close(3 [pid 6780] <... close resumed>) = 0 [pid 6779] write(1, "executing program\n", 18 [pid 6782] write(1, "executing program\n", 18 [pid 6781] <... close resumed>) = 0 [pid 6780] write(1, "executing program\n", 18 [pid 6779] <... write resumed>) = 18 executing program executing program executing program [pid 6782] <... write resumed>) = 18 [pid 6781] write(1, "executing program\n", 18 [pid 6780] <... write resumed>) = 18 [pid 6779] perf_event_open( [pid 6782] perf_event_open( [pid 6781] <... write resumed>) = 18 [pid 6780] perf_event_open( [pid 6781] perf_event_open( [pid 6782] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6781] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6780] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6779] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6778] +++ exited with 0 +++ [pid 6781] perf_event_open( [pid 6782] perf_event_open( [pid 6780] perf_event_open( [pid 6779] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6781] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6781] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6782] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6780] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6781] <... bpf resumed>) = 5 [pid 6782] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6780] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6779] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6782] <... bpf resumed>) = 5 [pid 6781] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6780] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6779] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6783 attached ) = 5 [pid 6783] set_robust_list(0x55558c953660, 24 [pid 6782] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6780] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6779] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6783 [pid 6783] <... set_robust_list resumed>) = 0 [pid 6781] <... bpf resumed>) = 6 [pid 6779] <... bpf resumed>) = 6 [pid 6783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6781] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6783] <... prctl resumed>) = 0 [pid 6783] setpgid(0, 0) = 0 [pid 6783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6782] <... bpf resumed>) = 6 [pid 6783] <... openat resumed>) = 3 [pid 6781] <... bpf resumed>) = 7 [pid 6779] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 6783] write(3, "1000", 4) = 4 [pid 6783] close(3executing program [pid 6779] exit_group(0 [pid 6783] <... close resumed>) = 0 [pid 6783] write(1, "executing program\n", 18) = 18 [pid 6780] <... bpf resumed>) = 6 [pid 6783] perf_event_open( [pid 6782] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6781] exit_group(0 [pid 6780] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6779] <... exit_group resumed>) = ? [pid 6782] <... bpf resumed>) = 7 [pid 6781] <... exit_group resumed>) = ? [pid 6783] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6782] exit_group(0 [pid 6781] +++ exited with 0 +++ [pid 6780] <... bpf resumed>) = 7 [pid 6782] <... exit_group resumed>) = ? [pid 6783] perf_event_open( [pid 6780] exit_group(0 [pid 6779] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6783] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6782] +++ exited with 0 +++ [pid 6780] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6782, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6783] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6783] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6785 attached ./strace-static-x86_64: Process 6784 attached [pid 6780] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 6784] set_robust_list(0x55558c953660, 24 [pid 6785] set_robust_list(0x55558c953660, 24 [pid 6783] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6784 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6785 [pid 6785] <... set_robust_list resumed>) = 0 [pid 6784] <... set_robust_list resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6780, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6785] <... prctl resumed>) = 0 [pid 6784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6785] setpgid(0, 0 [pid 6784] <... prctl resumed>) = 0 [pid 6785] <... setpgid resumed>) = 0 [pid 6784] setpgid(0, 0 [pid 6783] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6786 attached [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6786 [pid 6786] set_robust_list(0x55558c953660, 24 [pid 6785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6784] <... setpgid resumed>) = 0 [pid 6783] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6786] <... set_robust_list resumed>) = 0 [pid 6785] <... openat resumed>) = 3 [pid 6784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6784] <... openat resumed>) = 3 [pid 6786] <... prctl resumed>) = 0 [pid 6785] write(3, "1000", 4 [pid 6783] <... bpf resumed>) = 7 [pid 6786] setpgid(0, 0) = 0 [pid 6784] write(3, "1000", 4) = 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6784] close(3) = 0 ./strace-static-x86_64: Process 6787 attached executing program [pid 6786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6785] <... write resumed>) = 4 [pid 6784] write(1, "executing program\n", 18 [pid 6783] exit_group(0 [pid 6787] set_robust_list(0x55558c953660, 24) = 0 [pid 6786] <... openat resumed>) = 3 [pid 6785] close(3 [pid 6784] <... write resumed>) = 18 [pid 6783] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6787 [pid 6787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6786] write(3, "1000", 4 [pid 6785] <... close resumed>) = 0 [pid 6784] perf_event_open( [pid 6787] <... prctl resumed>) = 0 [pid 6786] <... write resumed>) = 4 executing program [pid 6785] write(1, "executing program\n", 18 [pid 6787] setpgid(0, 0 [pid 6786] close(3 [pid 6784] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6787] <... setpgid resumed>) = 0 [pid 6786] <... close resumed>) = 0 [pid 6785] <... write resumed>) = 18 [pid 6787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6786] write(1, "executing program\n", 18executing program ) = 18 [pid 6787] <... openat resumed>) = 3 [pid 6786] perf_event_open( [pid 6784] perf_event_open( [pid 6786] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6785] perf_event_open( [pid 6784] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6787] write(3, "1000", 4) = 4 [pid 6784] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6787] close(3 [pid 6785] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6787] <... close resumed>) = 0 executing program [pid 6786] perf_event_open( [pid 6785] perf_event_open( [pid 6784] <... bpf resumed>) = 5 [pid 6787] write(1, "executing program\n", 18 [pid 6786] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6787] <... write resumed>) = 18 [pid 6785] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6787] perf_event_open( [pid 6786] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6785] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6784] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6783] +++ exited with 0 +++ [pid 6786] <... bpf resumed>) = 5 [pid 6786] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6785] <... bpf resumed>) = 5 [pid 6787] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6786] <... bpf resumed>) = 6 [pid 6785] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6784] <... bpf resumed>) = 6 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6783, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6787] perf_event_open( [pid 6786] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 6786] exit_group(0 [pid 6787] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6785] <... bpf resumed>) = 6 [pid 6784] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6787] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6786] <... exit_group resumed>) = ? [pid 6785] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6784] <... bpf resumed>) = 7 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6787] <... bpf resumed>) = 5 [pid 6785] <... bpf resumed>) = 7 [pid 6787] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6785] exit_group(0 [pid 6784] exit_group(0 [pid 6786] +++ exited with 0 +++ [pid 6785] <... exit_group resumed>) = ? [pid 6784] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6787] <... bpf resumed>) = 6 [pid 6785] +++ exited with 0 +++ [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6788 attached [pid 6787] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6784] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6788 [pid 6788] set_robust_list(0x55558c953660, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6787] <... bpf resumed>) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6788] <... set_robust_list resumed>) = 0 [pid 6787] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6789 attached ./strace-static-x86_64: Process 6790 attached ./strace-static-x86_64: Process 6791 attached [pid 6789] set_robust_list(0x55558c953660, 24 [pid 6788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6787] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6790 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6789 [pid 6791] set_robust_list(0x55558c953660, 24 [pid 6790] set_robust_list(0x55558c953660, 24 [pid 6789] <... set_robust_list resumed>) = 0 [pid 6791] <... set_robust_list resumed>) = 0 [pid 6790] <... set_robust_list resumed>) = 0 [pid 6789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6789] <... prctl resumed>) = 0 [pid 6789] setpgid(0, 0 [pid 6791] <... prctl resumed>) = 0 [pid 6790] <... prctl resumed>) = 0 [pid 6789] <... setpgid resumed>) = 0 [pid 6788] <... prctl resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6791 [pid 6791] setpgid(0, 0 [pid 6790] setpgid(0, 0 [pid 6791] <... setpgid resumed>) = 0 [pid 6790] <... setpgid resumed>) = 0 [pid 6789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6788] setpgid(0, 0 [pid 6791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6788] <... setpgid resumed>) = 0 [pid 6790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6789] <... openat resumed>) = 3 [pid 6788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6791] <... openat resumed>) = 3 [pid 6789] write(3, "1000", 4 [pid 6788] <... openat resumed>) = 3 [pid 6789] <... write resumed>) = 4 [pid 6789] close(3 [pid 6788] write(3, "1000", 4 [pid 6789] <... close resumed>) = 0 executing program [pid 6791] write(3, "1000", 4 [pid 6789] write(1, "executing program\n", 18 [pid 6788] <... write resumed>) = 4 [pid 6791] <... write resumed>) = 4 [pid 6789] <... write resumed>) = 18 [pid 6788] close(3 [pid 6791] close(3 [pid 6789] perf_event_open( [pid 6788] <... close resumed>) = 0 [pid 6791] <... close resumed>) = 0 executing program executing program [pid 6788] write(1, "executing program\n", 18 [pid 6791] write(1, "executing program\n", 18 [pid 6790] <... openat resumed>) = 3 [pid 6789] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6787] +++ exited with 0 +++ [pid 6791] <... write resumed>) = 18 [pid 6790] write(3, "1000", 4 [pid 6788] <... write resumed>) = 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6787, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6789] perf_event_open( [pid 6791] perf_event_open( [pid 6790] <... write resumed>) = 4 [pid 6788] perf_event_open( [pid 6790] close(3 [pid 6789] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6788] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6791] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6790] <... close resumed>) = 0 [pid 6788] perf_event_open( [pid 6789] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6790] write(1, "executing program\n", 18 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6791] perf_event_open( [pid 6788] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6789] <... bpf resumed>) = 5 executing program ./strace-static-x86_64: Process 6792 attached [pid 6789] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6791] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6790] <... write resumed>) = 18 [pid 6788] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6792] set_robust_list(0x55558c953660, 24 [pid 6791] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6790] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6792 [pid 6792] <... set_robust_list resumed>) = 0 [pid 6788] <... bpf resumed>) = 5 [pid 6792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6791] <... bpf resumed>) = 5 [pid 6790] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6788] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6789] <... bpf resumed>) = 6 [pid 6792] <... prctl resumed>) = 0 [pid 6791] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6790] perf_event_open( [pid 6789] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6792] setpgid(0, 0 [pid 6789] <... bpf resumed>) = 7 [pid 6789] exit_group(0) = ? [pid 6792] <... setpgid resumed>) = 0 [pid 6791] <... bpf resumed>) = 6 [pid 6790] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6789] +++ exited with 0 +++ [pid 6788] <... bpf resumed>) = 6 [pid 6790] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6791] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6788] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6792] <... openat resumed>) = 3 [pid 6790] <... bpf resumed>) = 5 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6792] write(3, "1000", 4 [pid 6791] <... bpf resumed>) = 7 [pid 6790] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6788] <... bpf resumed>) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6792] <... write resumed>) = 4 [pid 6791] exit_group(0./strace-static-x86_64: Process 6793 attached [pid 6792] close(3 [pid 6791] <... exit_group resumed>) = ? [pid 6788] exit_group(0 [pid 6793] set_robust_list(0x55558c953660, 24 [pid 6792] <... close resumed>) = 0 [pid 6790] <... bpf resumed>) = 6 [pid 6788] <... exit_group resumed>) = ? executing program [pid 6792] write(1, "executing program\n", 18) = 18 [pid 6793] <... set_robust_list resumed>) = 0 [pid 6792] perf_event_open( [pid 6790] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6792] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6793] <... prctl resumed>) = 0 [pid 6792] perf_event_open( [pid 6791] +++ exited with 0 +++ [pid 6790] <... bpf resumed>) = 7 [pid 6788] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6793 [pid 6793] setpgid(0, 0 [pid 6792] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6791, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6788, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6793] <... setpgid resumed>) = 0 [pid 6790] exit_group(0 [pid 6793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6792] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6790] <... exit_group resumed>) = ? [pid 6792] <... bpf resumed>) = 5 [pid 6792] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6793] <... openat resumed>) = 3 [pid 6790] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6793] write(3, "1000", 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6793] <... write resumed>) = 4 [pid 5871] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6793] close(3) = 0 [pid 6793] write(1, "executing program\n", 18./strace-static-x86_64: Process 6794 attached ) = 18 [pid 6793] perf_event_open( [pid 5871] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6795 attached [pid 6794] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6794 [pid 6795] set_robust_list(0x55558c953660, 24 [pid 6794] <... set_robust_list resumed>) = 0 [pid 6793] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6795 [pid 6795] <... set_robust_list resumed>) = 0 [pid 6794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6793] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6794] <... prctl resumed>) = 0 [pid 6792] <... bpf resumed>) = 6 [pid 6795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6794] setpgid(0, 0 [pid 6793] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6792] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6795] <... prctl resumed>) = 0 [pid 6794] <... setpgid resumed>) = 0 [pid 6794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6795] setpgid(0, 0./strace-static-x86_64: Process 6796 attached ) = 0 [pid 6794] <... openat resumed>) = 3 [pid 6793] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6796] set_robust_list(0x55558c953660, 24 [pid 6795] <... openat resumed>) = 3 [pid 6794] write(3, "1000", 4 [pid 6793] <... bpf resumed>) = 5 [pid 6792] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6796 [pid 6796] <... set_robust_list resumed>) = 0 [pid 6794] <... write resumed>) = 4 [pid 6793] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6792] exit_group(0 [pid 6796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6795] write(3, "1000", 4 [pid 6794] close(3) = 0 [pid 6792] <... exit_group resumed>) = ? [pid 6796] <... prctl resumed>) = 0 [pid 6795] <... write resumed>) = 4 [pid 6794] write(1, "executing program\n", 18 [pid 6796] setpgid(0, 0 [pid 6795] close(3executing program executing program ) = 0 [pid 6795] write(1, "executing program\n", 18 [pid 6796] <... setpgid resumed>) = 0 [pid 6795] <... write resumed>) = 18 [pid 6795] perf_event_open( [pid 6794] <... write resumed>) = 18 [pid 6794] perf_event_open( [pid 6793] <... bpf resumed>) = 6 [pid 6794] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6794] perf_event_open( [pid 6796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6795] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6794] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6793] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6795] perf_event_open( [pid 6792] +++ exited with 0 +++ [pid 6794] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6796] <... openat resumed>) = 3 [pid 6795] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6793] <... bpf resumed>) = 7 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6796] write(3, "1000", 4 [pid 6794] <... bpf resumed>) = 5 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6793] exit_group(0 [pid 6796] <... write resumed>) = 4 [pid 6795] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6794] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6796] close(3 [pid 6793] <... exit_group resumed>) = ? executing program [pid 6796] <... close resumed>) = 0 [pid 6796] write(1, "executing program\n", 18) = 18 [pid 6796] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6795] <... bpf resumed>) = 5 [pid 6794] <... bpf resumed>) = 6 [pid 6793] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6796] perf_event_open( [pid 6795] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6794] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6797 attached [pid 6796] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6797] set_robust_list(0x55558c953660, 24 [pid 6794] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6797 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6797] <... set_robust_list resumed>) = 0 [pid 6796] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6794] exit_group(0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6796] <... bpf resumed>) = 5 [pid 6794] <... exit_group resumed>) = ? [pid 6797] <... prctl resumed>) = 0 [pid 6796] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6795] <... bpf resumed>) = 6 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6797] setpgid(0, 0) = 0 [pid 6796] <... bpf resumed>) = 6 [pid 6794] +++ exited with 0 +++ [pid 6795] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6798 attached [pid 6797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6796] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6795] <... bpf resumed>) = 7 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6798 [pid 6798] set_robust_list(0x55558c953660, 24) = 0 [pid 6795] exit_group(0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6798] <... prctl resumed>) = 0 [pid 6798] setpgid(0, 0) = 0 [pid 6796] <... bpf resumed>) = 7 [pid 6797] <... openat resumed>) = 3 [pid 6795] <... exit_group resumed>) = ? [pid 6798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6797] write(3, "1000", 4 [pid 6796] exit_group(0) = ? [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6798] <... openat resumed>) = 3 [pid 6797] <... write resumed>) = 4 [pid 6795] +++ exited with 0 +++ [pid 6798] write(3, "1000", 4 [pid 6797] close(3 [pid 6798] <... write resumed>) = 4 [pid 6797] <... close resumed>) = 0 ./strace-static-x86_64: Process 6799 attached [pid 6798] close(3 [pid 6797] write(1, "executing program\n", 18 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6795, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- executing program [pid 6798] <... close resumed>) = 0 [pid 6797] <... write resumed>) = 18 executing program [pid 6798] write(1, "executing program\n", 18 [pid 6797] perf_event_open( [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6799] set_robust_list(0x55558c953660, 24 [pid 6798] <... write resumed>) = 18 [pid 6799] <... set_robust_list resumed>) = 0 [pid 6797] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6798] perf_event_open( [pid 6797] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6799 [pid 6799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6799] setpgid(0, 0) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6799] <... openat resumed>) = 3 [pid 6799] write(3, "1000", 4) = 4 [pid 6799] close(3./strace-static-x86_64: Process 6800 attached [pid 6798] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6796] +++ exited with 0 +++ [pid 6800] set_robust_list(0x55558c953660, 24 [pid 6797] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6800] <... set_robust_list resumed>) = 0 [pid 6799] <... close resumed>) = 0 [pid 6798] perf_event_open( [pid 6797] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6800 [pid 6800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6799] write(1, "executing program\n", 18 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6798] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6800] <... prctl resumed>) = 0 [pid 6799] <... write resumed>) = 18 [pid 6798] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6797] <... bpf resumed>) = 5 [pid 6800] setpgid(0, 0 [pid 6799] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6800] <... setpgid resumed>) = 0 [pid 6799] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6798] <... bpf resumed>) = 5 [pid 6797] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6801 attached [pid 6800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6799] perf_event_open( [pid 6801] set_robust_list(0x55558c953660, 24 [pid 6800] <... openat resumed>) = 3 [pid 6799] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6798] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6801 [pid 6801] <... set_robust_list resumed>) = 0 [pid 6800] write(3, "1000", 4 [pid 6799] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6797] <... bpf resumed>) = 6 [pid 6801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6800] <... write resumed>) = 4 [pid 6797] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 6801] <... prctl resumed>) = 0 [pid 6800] close(3 [pid 6799] <... bpf resumed>) = 5 [pid 6798] <... bpf resumed>) = 6 [pid 6801] setpgid(0, 0 [pid 6800] <... close resumed>) = 0 [pid 6797] exit_group(0executing program [pid 6801] <... setpgid resumed>) = 0 [pid 6800] write(1, "executing program\n", 18 [pid 6799] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6798] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6800] <... write resumed>) = 18 [pid 6797] <... exit_group resumed>) = ? [pid 6800] perf_event_open( [pid 6801] <... openat resumed>) = 3 [pid 6798] <... bpf resumed>) = 7 [pid 6801] write(3, "1000", 4 [pid 6800] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6798] exit_group(0 [pid 6801] <... write resumed>) = 4 [pid 6801] close(3 [pid 6800] perf_event_open( [pid 6798] <... exit_group resumed>) = ? [pid 6801] <... close resumed>) = 0 [pid 6801] write(1, "executing program\n", 18 [pid 6800] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6800] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6799] <... bpf resumed>) = 6 executing program [pid 6800] <... bpf resumed>) = 5 [pid 6801] <... write resumed>) = 18 [pid 6800] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6799] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6801] perf_event_open( [pid 6799] <... bpf resumed>) = 7 [pid 6798] +++ exited with 0 +++ [pid 6797] +++ exited with 0 +++ [pid 6801] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6801] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6797, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6801] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6801] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 6800] <... bpf resumed>) = 6 [pid 6799] exit_group(0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6801] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6800] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6799] <... exit_group resumed>) = ? [pid 6801] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6802 attached [pid 6801] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6800] <... bpf resumed>) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6802] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6802 [pid 6802] <... set_robust_list resumed>) = 0 [pid 6802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6802] setpgid(0, 0) = 0 [pid 6799] +++ exited with 0 +++ [pid 6801] <... bpf resumed>) = 7 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6799, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6800] exit_group(0./strace-static-x86_64: Process 6803 attached [pid 6802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6801] exit_group(0 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6803] set_robust_list(0x55558c953660, 24 [pid 6800] <... exit_group resumed>) = ? [pid 5872] <... restart_syscall resumed>) = 0 [pid 6803] <... set_robust_list resumed>) = 0 [pid 6801] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6803 [pid 6803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6802] <... openat resumed>) = 3 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6803] <... prctl resumed>) = 0 [pid 6803] setpgid(0, 0./strace-static-x86_64: Process 6804 attached ) = 0 [pid 6802] write(3, "1000", 4 [pid 6800] +++ exited with 0 +++ [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6804 [pid 6804] set_robust_list(0x55558c953660, 24 [pid 6803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6802] <... write resumed>) = 4 [pid 6804] <... set_robust_list resumed>) = 0 [pid 6803] <... openat resumed>) = 3 [pid 6802] close(3 [pid 6804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6802] <... close resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6800, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6803] write(3, "1000", 4 [pid 6802] write(1, "executing program\n", 18executing program [pid 6804] <... prctl resumed>) = 0 [pid 6803] <... write resumed>) = 4 [pid 6802] <... write resumed>) = 18 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6804] setpgid(0, 0 [pid 6803] close(3 [pid 6802] perf_event_open( [pid 6804] <... setpgid resumed>) = 0 [pid 6803] <... close resumed>) = 0 [pid 6804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 6803] write(1, "executing program\n", 18) = 18 [pid 6803] perf_event_open( [pid 6804] <... openat resumed>) = 3 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6804] write(3, "1000", 4) = 4 [pid 6804] close(3executing program ) = 0 [pid 6803] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6802] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6801] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6804] write(1, "executing program\n", 18 [pid 6802] perf_event_open( [pid 6804] <... write resumed>) = 18 [pid 6802] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6805 attached [pid 6804] perf_event_open( [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6804] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6805] set_robust_list(0x55558c953660, 24 [pid 6803] perf_event_open( [pid 6802] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6805] <... set_robust_list resumed>) = 0 [pid 6805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6804] perf_event_open( [pid 6803] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6802] <... bpf resumed>) = 5 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6805 [pid 6805] <... prctl resumed>) = 0 [pid 6804] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6805] setpgid(0, 0 [pid 6804] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6802] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6805] <... setpgid resumed>) = 0 [pid 6804] <... bpf resumed>) = 5 [pid 6803] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6803] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6806 attached [pid 6805] <... openat resumed>) = 3 [pid 6804] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6803] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6805] write(3, "1000", 4 [pid 6802] <... bpf resumed>) = 6 [pid 6806] set_robust_list(0x55558c953660, 24 [pid 6805] <... write resumed>) = 4 [pid 6804] <... bpf resumed>) = 6 [pid 6802] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6806 [pid 6806] <... set_robust_list resumed>) = 0 [pid 6805] close(3 [pid 6806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6805] <... close resumed>) = 0 [pid 6802] <... bpf resumed>) = 7 executing program [pid 6803] <... bpf resumed>) = 6 [pid 6805] write(1, "executing program\n", 18 [pid 6806] <... prctl resumed>) = 0 [pid 6805] <... write resumed>) = 18 [pid 6806] setpgid(0, 0 [pid 6805] perf_event_open( [pid 6804] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6803] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6802] exit_group(0 [pid 6806] <... setpgid resumed>) = 0 [pid 6805] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6803] <... bpf resumed>) = 7 [pid 6806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6804] <... bpf resumed>) = 7 [pid 6806] <... openat resumed>) = 3 [pid 6805] perf_event_open( [pid 6803] exit_group(0 [pid 6802] <... exit_group resumed>) = ? [pid 6804] exit_group(0 [pid 6805] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6804] <... exit_group resumed>) = ? [pid 6803] <... exit_group resumed>) = ? [pid 6806] write(3, "1000", 4 [pid 6805] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6806] <... write resumed>) = 4 [pid 6805] <... bpf resumed>) = 5 [pid 6806] close(3 [pid 6805] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6806] <... close resumed>) = 0 executing program [pid 6804] +++ exited with 0 +++ [pid 6803] +++ exited with 0 +++ [pid 6806] write(1, "executing program\n", 18 [pid 6802] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6806] <... write resumed>) = 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6802, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6806] perf_event_open( [pid 5868] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6806] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6805] <... bpf resumed>) = 6 [pid 6806] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6805] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6806] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 6808 attached ./strace-static-x86_64: Process 6807 attached [pid 6807] set_robust_list(0x55558c953660, 24 [pid 6808] set_robust_list(0x55558c953660, 24 [pid 6807] <... set_robust_list resumed>) = 0 [pid 6808] <... set_robust_list resumed>) = 0 [pid 6807] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6809 attached [pid 6808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6806] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6809] set_robust_list(0x55558c953660, 24 [pid 6805] <... bpf resumed>) = 7 [pid 6808] setpgid(0, 0 [pid 6807] <... prctl resumed>) = 0 [pid 6806] <... bpf resumed>) = 5 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6808 [pid 6809] <... set_robust_list resumed>) = 0 [pid 6808] <... setpgid resumed>) = 0 [pid 6807] setpgid(0, 0 [pid 6805] exit_group(0 [pid 6809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6807] <... setpgid resumed>) = 0 [pid 6805] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6807 [pid 6809] <... prctl resumed>) = 0 [pid 6808] <... openat resumed>) = 3 [pid 6807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6806] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6809] setpgid(0, 0 [pid 6808] write(3, "1000", 4 [pid 6807] <... openat resumed>) = 3 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6809 [pid 6809] <... setpgid resumed>) = 0 [pid 6808] <... write resumed>) = 4 [pid 6807] write(3, "1000", 4 [pid 6808] close(3 [pid 6807] <... write resumed>) = 4 [pid 6809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6807] close(3 [pid 6808] <... close resumed>) = 0 [pid 6807] <... close resumed>) = 0 [pid 6806] <... bpf resumed>) = 6 [pid 6805] +++ exited with 0 +++ executing program executing program [pid 6808] write(1, "executing program\n", 18) = 18 [pid 6807] write(1, "executing program\n", 18 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6808] perf_event_open( [pid 6807] <... write resumed>) = 18 [pid 6809] <... openat resumed>) = 3 [pid 6807] perf_event_open( [pid 6808] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6807] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 6810 attached [pid 6807] perf_event_open( [pid 6809] write(3, "1000", 4 [pid 6807] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6810] set_robust_list(0x55558c953660, 24 [pid 6809] <... write resumed>) = 4 [pid 6810] <... set_robust_list resumed>) = 0 [pid 6807] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6809] close(3 [pid 6810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6809] <... close resumed>) = 0 [pid 6807] <... bpf resumed>) = 5 [pid 6810] <... prctl resumed>) = 0 [pid 6807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6810 [pid 6810] setpgid(0, 0 executing program [pid 6809] write(1, "executing program\n", 18 [pid 6808] perf_event_open( [pid 6809] <... write resumed>) = 18 [pid 6809] perf_event_open( [pid 6808] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6806] <... bpf resumed>) = 7 [pid 6809] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6809] perf_event_open( [pid 6810] <... setpgid resumed>) = 0 [pid 6808] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6807] <... bpf resumed>) = 6 [pid 6806] exit_group(0 [pid 6810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6808] <... bpf resumed>) = 5 [pid 6807] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6806] <... exit_group resumed>) = ? [pid 6809] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6810] <... openat resumed>) = 3 [pid 6809] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6810] write(3, "1000", 4 [pid 6809] <... bpf resumed>) = 5 [pid 6808] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6810] <... write resumed>) = 4 [pid 6809] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 6807] <... bpf resumed>) = 7 [pid 6810] close(3 [pid 6808] <... bpf resumed>) = 6 [pid 6806] +++ exited with 0 +++ [pid 6810] <... close resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6810] write(1, "executing program\n", 18) = 18 [pid 6810] perf_event_open( [pid 6807] exit_group(0 [pid 6808] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6809] <... bpf resumed>) = 6 [pid 6808] <... bpf resumed>) = 7 [pid 6810] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6807] <... exit_group resumed>) = ? [pid 6809] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6810] perf_event_open( [pid 6808] exit_group(0 [pid 6807] +++ exited with 0 +++ [pid 6809] <... bpf resumed>) = 7 [pid 6808] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6807, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6810] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6809] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6810] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6809] <... exit_group resumed>) = ? [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6811 attached ./strace-static-x86_64: Process 6812 attached [pid 6811] set_robust_list(0x55558c953660, 24 [pid 6810] <... bpf resumed>) = 5 [pid 6808] +++ exited with 0 +++ [pid 6809] +++ exited with 0 +++ [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6811 [pid 6811] <... set_robust_list resumed>) = 0 [pid 6810] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6808, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6812 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6812] set_robust_list(0x55558c953660, 24 [pid 6811] <... prctl resumed>) = 0 [pid 6811] setpgid(0, 0 [pid 6812] <... set_robust_list resumed>) = 0 [pid 6810] <... bpf resumed>) = 6 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6811] <... setpgid resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6810] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6812] <... prctl resumed>) = 0 [pid 6811] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6814 attached ./strace-static-x86_64: Process 6813 attached [pid 6814] set_robust_list(0x55558c953660, 24 [pid 6813] set_robust_list(0x55558c953660, 24 [pid 6810] <... bpf resumed>) = 7 [pid 6814] <... set_robust_list resumed>) = 0 [pid 6813] <... set_robust_list resumed>) = 0 [pid 6814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6812] setpgid(0, 0 [pid 6811] write(3, "1000", 4 [pid 6810] exit_group(0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6814 [pid 6812] <... setpgid resumed>) = 0 [pid 6811] <... write resumed>) = 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6813 [pid 6810] <... exit_group resumed>) = ? [pid 6814] <... prctl resumed>) = 0 [pid 6813] <... prctl resumed>) = 0 [pid 6812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6811] close(3 [pid 6814] setpgid(0, 0) = 0 [pid 6813] setpgid(0, 0executing program [pid 6811] <... close resumed>) = 0 [pid 6814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6813] <... setpgid resumed>) = 0 [pid 6811] write(1, "executing program\n", 18) = 18 [pid 6813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6812] <... openat resumed>) = 3 [pid 6811] perf_event_open( [pid 6814] <... openat resumed>) = 3 [pid 6812] write(3, "1000", 4) = 4 [pid 6812] close(3executing program ) = 0 [pid 6812] write(1, "executing program\n", 18) = 18 [pid 6812] perf_event_open( [pid 6814] write(3, "1000", 4 [pid 6813] <... openat resumed>) = 3 [pid 6814] <... write resumed>) = 4 [pid 6814] close(3) = 0 [pid 6813] write(3, "1000", 4 [pid 6814] write(1, "executing program\n", 18 [pid 6813] <... write resumed>) = 4 executing program [pid 6814] <... write resumed>) = 18 [pid 6813] close(3 [pid 6814] perf_event_open( [pid 6813] <... close resumed>) = 0 executing program [pid 6813] write(1, "executing program\n", 18) = 18 [pid 6813] perf_event_open( [pid 6814] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6813] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6812] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6811] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6810] +++ exited with 0 +++ [pid 6814] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6813] perf_event_open( [pid 6812] perf_event_open( [pid 6811] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6814] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6812] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6811] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6813] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6812] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6811] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6814] <... bpf resumed>) = 5 [pid 6813] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6812] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6814] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6811] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6815 attached [pid 6813] <... bpf resumed>) = 5 [pid 6812] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6814] <... bpf resumed>) = 6 [pid 6813] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6811] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6815] set_robust_list(0x55558c953660, 24 [pid 6814] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6815] <... set_robust_list resumed>) = 0 [pid 6815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6814] <... bpf resumed>) = 7 [pid 6811] <... bpf resumed>) = 6 [pid 6815] setpgid(0, 0) = 0 [pid 6815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6814] exit_group(0 [pid 6813] <... bpf resumed>) = 6 [pid 6812] <... bpf resumed>) = 6 [pid 6811] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6815 [pid 6814] <... exit_group resumed>) = ? [pid 6815] <... openat resumed>) = 3 [pid 6813] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6815] write(3, "1000", 4 [pid 6814] +++ exited with 0 +++ [pid 6812] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6811] <... bpf resumed>) = 7 [pid 6811] exit_group(0) = ? [pid 6813] <... bpf resumed>) = 7 [pid 6815] <... write resumed>) = 4 [pid 6815] close(3 [pid 6813] exit_group(0 [pid 6812] <... bpf resumed>) = 7 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6815] <... close resumed>) = 0 [pid 6813] <... exit_group resumed>) = ? [pid 6812] exit_group(0 [pid 6815] write(1, "executing program\n", 18 [pid 6811] +++ exited with 0 +++ executing program [pid 6815] <... write resumed>) = 18 [pid 6813] +++ exited with 0 +++ [pid 6812] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6815] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6813, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 6816 attached [pid 6815] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6816] set_robust_list(0x55558c953660, 24 [pid 6815] perf_event_open( [pid 6816] <... set_robust_list resumed>) = 0 [pid 6816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6815] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6812] +++ exited with 0 +++ ./strace-static-x86_64: Process 6817 attached [pid 6816] <... prctl resumed>) = 0 [pid 6815] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6817] set_robust_list(0x55558c953660, 24 [pid 6816] setpgid(0, 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6816 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6812, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6817 [pid 6817] <... set_robust_list resumed>) = 0 [pid 6816] <... setpgid resumed>) = 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6815] <... bpf resumed>) = 5 [pid 6817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6815] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6817] <... prctl resumed>) = 0 [pid 6816] <... openat resumed>) = 3 [pid 6817] setpgid(0, 0 [pid 6816] write(3, "1000", 4 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6817] <... setpgid resumed>) = 0 [pid 6817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6816] <... write resumed>) = 4 [pid 6816] close(3 [pid 6817] <... openat resumed>) = 3 [pid 6815] <... bpf resumed>) = 6 [pid 6816] <... close resumed>) = 0 [pid 6817] write(3, "1000", 4) = 4 [pid 6816] write(1, "executing program\n", 18 executing program [pid 6815] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6817] close(3 [pid 6816] <... write resumed>) = 18 [pid 6815] <... bpf resumed>) = 7 [pid 6816] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6817] <... close resumed>) = 0 [pid 6817] write(1, "executing program\n", 18) = 18 [pid 6816] perf_event_open(./strace-static-x86_64: Process 6818 attached [pid 6817] perf_event_open( [pid 6816] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6815] exit_group(0 [pid 6818] set_robust_list(0x55558c953660, 24 [pid 6817] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6816] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6819 attached [pid 6818] <... set_robust_list resumed>) = 0 [pid 6817] perf_event_open( [pid 6815] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6818 [pid 6819] set_robust_list(0x55558c953660, 24 [pid 6818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6817] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6816] <... bpf resumed>) = 5 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6819 [pid 6819] <... set_robust_list resumed>) = 0 [pid 6816] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6819] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6817] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6815] +++ exited with 0 +++ [pid 6819] <... prctl resumed>) = 0 [pid 6818] <... prctl resumed>) = 0 [pid 6819] setpgid(0, 0 [pid 6818] setpgid(0, 0 [pid 6819] <... setpgid resumed>) = 0 [pid 6818] <... setpgid resumed>) = 0 [pid 6819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6817] <... bpf resumed>) = 5 [pid 6816] <... bpf resumed>) = 6 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6817] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6819] <... openat resumed>) = 3 [pid 6818] <... openat resumed>) = 3 [pid 6816] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6819] write(3, "1000", 4) = 4 [pid 6818] write(3, "1000", 4 [pid 6819] close(3 [pid 6818] <... write resumed>) = 4 [pid 6816] <... bpf resumed>) = 7 [pid 6819] <... close resumed>) = 0 [pid 6818] close(3) = 0 [pid 6819] write(1, "executing program\n", 18 [pid 6817] <... bpf resumed>) = 6 [pid 6816] exit_group(0executing program [pid 6819] <... write resumed>) = 18 executing program [pid 6818] write(1, "executing program\n", 18 [pid 6817] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6816] <... exit_group resumed>) = ? [pid 6819] perf_event_open( [pid 6818] <... write resumed>) = 18 [pid 6817] <... bpf resumed>) = 7 [pid 6817] exit_group(0 [pid 6818] perf_event_open( [pid 6817] <... exit_group resumed>) = ? [pid 6819] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6818] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6816] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6818] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 6820 attached [pid 6819] perf_event_open( [pid 6818] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6817] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6820 [pid 6820] set_robust_list(0x55558c953660, 24) = 0 [pid 6819] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6819] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6818] <... bpf resumed>) = 5 [pid 6820] <... prctl resumed>) = 0 [pid 6819] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6819] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6818] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6821 attached [pid 6820] setpgid(0, 0./strace-static-x86_64: Process 6822 attached ) = 0 [pid 6821] set_robust_list(0x55558c953660, 24 [pid 6820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6819] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6822 [pid 6820] <... openat resumed>) = 3 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6821 [pid 6822] set_robust_list(0x55558c953660, 24 [pid 6821] <... set_robust_list resumed>) = 0 [pid 6820] write(3, "1000", 4 [pid 6819] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6818] <... bpf resumed>) = 6 [pid 6822] <... set_robust_list resumed>) = 0 [pid 6820] <... write resumed>) = 4 [pid 6818] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6820] close(3) = 0 executing program [pid 6819] <... bpf resumed>) = 7 [pid 6818] <... bpf resumed>) = 7 [pid 6822] <... prctl resumed>) = 0 [pid 6821] <... prctl resumed>) = 0 [pid 6820] write(1, "executing program\n", 18 [pid 6822] setpgid(0, 0 [pid 6821] setpgid(0, 0 [pid 6820] <... write resumed>) = 18 [pid 6818] exit_group(0 [pid 6822] <... setpgid resumed>) = 0 [pid 6820] perf_event_open( [pid 6818] <... exit_group resumed>) = ? [pid 6822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6821] <... setpgid resumed>) = 0 [pid 6820] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6819] exit_group(0 [pid 6821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6820] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6820] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6822] <... openat resumed>) = 3 [pid 6821] <... openat resumed>) = 3 [pid 6819] <... exit_group resumed>) = ? [pid 6818] +++ exited with 0 +++ [pid 6822] write(3, "1000", 4 [pid 6820] <... bpf resumed>) = 5 [pid 6822] <... write resumed>) = 4 [pid 6820] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6822] close(3) = 0 [pid 6821] write(3, "1000", 4 [pid 6819] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6822] write(1, "executing program\n", 18 [pid 6821] <... write resumed>) = 4 [pid 6820] <... bpf resumed>) = 6 [pid 6822] <... write resumed>) = 18 [pid 6821] close(3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6819, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6823 attached [pid 6822] perf_event_open( [pid 6821] <... close resumed>) = 0 [pid 6820] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6823] set_robust_list(0x55558c953660, 24 [pid 6821] write(1, "executing program\n", 18 [pid 6823] <... set_robust_list resumed>) = 0 [pid 6821] <... write resumed>) = 18 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6823 [pid 6823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6822] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6821] perf_event_open( [pid 6820] <... bpf resumed>) = 7 [pid 6823] <... prctl resumed>) = 0 [pid 6822] perf_event_open( [pid 6823] setpgid(0, 0 [pid 6821] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6820] exit_group(0 [pid 6823] <... setpgid resumed>) = 0 [pid 6822] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6821] perf_event_open( [pid 5871] <... restart_syscall resumed>) = 0 [pid 6820] <... exit_group resumed>) = ? [pid 6823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6821] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6823] <... openat resumed>) = 3 [pid 6821] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6823] write(3, "1000", 4 [pid 6821] <... bpf resumed>) = 5 [pid 6820] +++ exited with 0 +++ [pid 6823] <... write resumed>) = 4 [pid 6822] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6823] close(3 [pid 6821] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6823] <... close resumed>) = 0 [pid 6822] <... bpf resumed>) = 5 [pid 5867] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6823] write(1, "executing program\n", 18) = 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6823] perf_event_open( [pid 6822] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6824 attached [pid 6823] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6821] <... bpf resumed>) = 6 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6824] set_robust_list(0x55558c953660, 24 [pid 6823] perf_event_open( [pid 6821] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6824] <... set_robust_list resumed>) = 0 [pid 6823] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6822] <... bpf resumed>) = 6 [pid 6821] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6824 [pid 6824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6823] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6824] <... prctl resumed>) = 0 [pid 6822] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6821] exit_group(0 [pid 6823] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6825 attached [pid 6824] setpgid(0, 0 [pid 6822] <... bpf resumed>) = 7 [pid 6821] <... exit_group resumed>) = ? [pid 6825] set_robust_list(0x55558c953660, 24 [pid 6824] <... setpgid resumed>) = 0 [pid 6823] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6822] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6825 [pid 6824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6825] <... set_robust_list resumed>) = 0 [pid 6824] <... openat resumed>) = 3 [pid 6823] <... bpf resumed>) = 6 [pid 6825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6822] <... exit_group resumed>) = ? [pid 6825] <... prctl resumed>) = 0 [pid 6825] setpgid(0, 0 [pid 6824] write(3, "1000", 4 [pid 6823] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6821] +++ exited with 0 +++ [pid 6825] <... setpgid resumed>) = 0 [pid 6825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6824] <... write resumed>) = 4 [pid 6822] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6821, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6825] <... openat resumed>) = 3 [pid 6824] close(3 [pid 6823] <... bpf resumed>) = 7 [pid 6825] write(3, "1000", 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6825] <... write resumed>) = 4 [pid 6824] <... close resumed>) = 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6823] exit_group(0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6825] close(3 [pid 6823] <... exit_group resumed>) = ? executing program [pid 5868] <... restart_syscall resumed>) = 0 [pid 6825] <... close resumed>) = 0 [pid 6824] write(1, "executing program\n", 18 [pid 6825] write(1, "executing program\n", 18 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6825] <... write resumed>) = 18 executing program [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6826 attached [pid 6825] perf_event_open( [pid 6824] <... write resumed>) = 18 [pid 6826] set_robust_list(0x55558c953660, 24 [pid 6824] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6826 [pid 6826] <... set_robust_list resumed>) = 0 [pid 6826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6826] setpgid(0, 0) = 0 [pid 6826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6827 attached ) = 3 [pid 6824] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6823] +++ exited with 0 +++ [pid 6827] set_robust_list(0x55558c953660, 24 [pid 6825] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6824] perf_event_open( [pid 6827] <... set_robust_list resumed>) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6825] perf_event_open( [pid 6824] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6827 [pid 6827] <... prctl resumed>) = 0 [pid 6826] write(3, "1000", 4 [pid 6825] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6827] setpgid(0, 0 [pid 6826] <... write resumed>) = 4 [pid 6824] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6827] <... setpgid resumed>) = 0 [pid 6826] close(3 [pid 6825] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6824] <... bpf resumed>) = 5 [pid 6827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6826] <... close resumed>) = 0 [pid 6826] write(1, "executing program\n", 18executing program ) = 18 [pid 6824] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6826] perf_event_open( [pid 6827] <... openat resumed>) = 3 [pid 6826] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6827] write(3, "1000", 4 [pid 6825] <... bpf resumed>) = 5 [pid 6827] <... write resumed>) = 4 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6827] close(3 [pid 6826] perf_event_open( [pid 6825] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6827] <... close resumed>) = 0 [pid 6826] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6824] <... bpf resumed>) = 6 [pid 6827] write(1, "executing program\n", 18 [pid 6826] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program [pid 6824] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6827] <... write resumed>) = 18 [pid 6826] <... bpf resumed>) = 5 [pid 6827] perf_event_open( [pid 6826] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6824] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6827] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 6828 attached [pid 6827] perf_event_open( [pid 6824] exit_group(0 [pid 6828] set_robust_list(0x55558c953660, 24 [pid 6827] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6824] <... exit_group resumed>) = ? [pid 6827] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6824] +++ exited with 0 +++ [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6828 [pid 6828] <... set_robust_list resumed>) = 0 [pid 6827] <... bpf resumed>) = 5 [pid 6828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6828] setpgid(0, 0) = 0 [pid 6828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6828] write(3, "1000", 4 [pid 6826] <... bpf resumed>) = 6 [pid 6828] <... write resumed>) = 4 executing program [pid 6827] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6828] close(3 [pid 6826] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6828] <... close resumed>) = 0 [pid 6828] write(1, "executing program\n", 18) = 18 [pid 6828] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6827] <... bpf resumed>) = 6 [pid 6826] <... bpf resumed>) = 7 [pid 6825] <... bpf resumed>) = 6 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6828] perf_event_open( [pid 6827] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6826] exit_group(0 [pid 6825] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6828] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6826] <... exit_group resumed>) = ? [pid 6825] <... bpf resumed>) = 7 [pid 6828] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6827] <... bpf resumed>) = 7 [pid 6827] exit_group(0 [pid 6825] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6828] <... bpf resumed>) = 5 [pid 6826] +++ exited with 0 +++ [pid 6825] <... exit_group resumed>) = ? [pid 6828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6829 attached [pid 6827] <... exit_group resumed>) = ? [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6828] <... bpf resumed>) = 6 [pid 6828] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6829] set_robust_list(0x55558c953660, 24 [pid 6827] +++ exited with 0 +++ [pid 6825] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6829 [pid 6829] <... set_robust_list resumed>) = 0 [pid 6828] <... bpf resumed>) = 7 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6828] exit_group(0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6825, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6829] setpgid(0, 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6829] <... setpgid resumed>) = 0 [pid 6829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6828] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6830 attached [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6829] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6831 attached [pid 6830] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6830 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6830] <... set_robust_list resumed>) = 0 [pid 6829] write(3, "1000", 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6831 [pid 6830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6829] <... write resumed>) = 4 [pid 6831] set_robust_list(0x55558c953660, 24 [pid 6829] close(3 [pid 6830] <... prctl resumed>) = 0 [pid 6829] <... close resumed>) = 0 executing program [pid 6830] setpgid(0, 0 [pid 6829] write(1, "executing program\n", 18 [pid 6830] <... setpgid resumed>) = 0 [pid 6829] <... write resumed>) = 18 [pid 6831] <... set_robust_list resumed>) = 0 [pid 6830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6829] perf_event_open( [pid 6830] <... openat resumed>) = 3 [pid 6831] <... prctl resumed>) = 0 [pid 6830] write(3, "1000", 4./strace-static-x86_64: Process 6832 attached [pid 6831] setpgid(0, 0) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6832 [pid 6832] set_robust_list(0x55558c953660, 24 [pid 6830] <... write resumed>) = 4 [pid 6831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6832] <... set_robust_list resumed>) = 0 [pid 6830] close(3 [pid 6831] <... openat resumed>) = 3 [pid 6830] <... close resumed>) = 0 [pid 6832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6831] write(3, "1000", 4 [pid 6830] write(1, "executing program\n", 18executing program ) = 18 [pid 6830] perf_event_open( [pid 6832] <... prctl resumed>) = 0 [pid 6831] <... write resumed>) = 4 [pid 6832] setpgid(0, 0 [pid 6831] close(3 [pid 6832] <... setpgid resumed>) = 0 [pid 6831] <... close resumed>) = 0 [pid 6832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6831] write(1, "executing program\n", 18executing program [pid 6832] <... openat resumed>) = 3 [pid 6831] <... write resumed>) = 18 [pid 6831] perf_event_open( [pid 6832] write(3, "1000", 4) = 4 [pid 6832] close(3) = 0 executing program [pid 6832] write(1, "executing program\n", 18) = 18 [pid 6832] perf_event_open( [pid 6828] +++ exited with 0 +++ [pid 6829] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6830] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6829] perf_event_open( [pid 6832] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6831] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6830] perf_event_open( [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6831] perf_event_open( [pid 6829] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6830] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6832] perf_event_open( [pid 6829] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6832] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6831] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6830] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6832] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6831] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6830] <... bpf resumed>) = 5 [pid 6832] <... bpf resumed>) = 5 [pid 6831] <... bpf resumed>) = 5 [pid 6830] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6829] <... bpf resumed>) = 5 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6831] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6829] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6834 attached [pid 6831] <... bpf resumed>) = 6 [pid 6830] <... bpf resumed>) = 6 [pid 6831] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6834] set_robust_list(0x55558c953660, 24 [pid 6832] <... bpf resumed>) = 6 [pid 6830] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6829] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6834 [pid 6834] <... set_robust_list resumed>) = 0 [pid 6832] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6831] <... bpf resumed>) = 7 [pid 6829] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6832] <... bpf resumed>) = 7 [pid 6831] exit_group(0 [pid 6830] <... bpf resumed>) = 7 [pid 6829] <... bpf resumed>) = 7 [pid 6834] <... prctl resumed>) = 0 [pid 6832] exit_group(0 [pid 6831] <... exit_group resumed>) = ? [pid 6829] exit_group(0 [pid 6834] setpgid(0, 0 [pid 6832] <... exit_group resumed>) = ? [pid 6831] +++ exited with 0 +++ [pid 6830] exit_group(0 [pid 6834] <... setpgid resumed>) = 0 [pid 6829] <... exit_group resumed>) = ? [pid 6834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6830] <... exit_group resumed>) = ? [pid 6834] <... openat resumed>) = 3 [pid 6834] write(3, "1000", 4 [pid 6832] +++ exited with 0 +++ [pid 6830] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 6834] <... write resumed>) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6834] close(3executing program ) = 0 [pid 6834] write(1, "executing program\n", 18) = 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6834] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6835 attached ./strace-static-x86_64: Process 6836 attached [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6836] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6836 [pid 6836] <... set_robust_list resumed>) = 0 [pid 6835] set_robust_list(0x55558c953660, 24 [pid 6836] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6837 attached [pid 6835] <... set_robust_list resumed>) = 0 [pid 6834] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6829] +++ exited with 0 +++ [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6835 [pid 6837] set_robust_list(0x55558c953660, 24 [pid 6836] <... prctl resumed>) = 0 [pid 6834] perf_event_open( [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6837 [pid 6837] <... set_robust_list resumed>) = 0 [pid 6836] setpgid(0, 0 [pid 6835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6829, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6836] <... setpgid resumed>) = 0 [pid 6837] <... prctl resumed>) = 0 [pid 6835] <... prctl resumed>) = 0 [pid 6834] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6837] setpgid(0, 0) = 0 [pid 6836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6835] setpgid(0, 0 [pid 6834] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6836] <... openat resumed>) = 3 [pid 6835] <... setpgid resumed>) = 0 [pid 6835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6838 attached [pid 6837] <... openat resumed>) = 3 [pid 6836] write(3, "1000", 4 [pid 6834] <... bpf resumed>) = 5 [pid 6838] set_robust_list(0x55558c953660, 24 [pid 6836] <... write resumed>) = 4 [pid 6838] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6838 [pid 6838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6836] close(3 [pid 6835] <... openat resumed>) = 3 [pid 6834] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6838] <... prctl resumed>) = 0 [pid 6837] write(3, "1000", 4executing program [pid 6836] <... close resumed>) = 0 [pid 6835] write(3, "1000", 4 [pid 6838] setpgid(0, 0 [pid 6837] <... write resumed>) = 4 [pid 6836] write(1, "executing program\n", 18 [pid 6837] close(3 [pid 6836] <... write resumed>) = 18 [pid 6835] <... write resumed>) = 4 [pid 6837] <... close resumed>) = 0 [pid 6835] close(3 executing program executing program [pid 6838] <... setpgid resumed>) = 0 [pid 6837] write(1, "executing program\n", 18 [pid 6836] perf_event_open( [pid 6835] <... close resumed>) = 0 [pid 6837] <... write resumed>) = 18 [pid 6835] write(1, "executing program\n", 18 [pid 6838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6837] perf_event_open( [pid 6838] <... openat resumed>) = 3 [pid 6835] <... write resumed>) = 18 [pid 6838] write(3, "1000", 4 [pid 6836] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6837] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6835] perf_event_open( [pid 6834] <... bpf resumed>) = 6 [pid 6838] <... write resumed>) = 4 [pid 6837] perf_event_open( [pid 6838] close(3 [pid 6836] perf_event_open( [pid 6834] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6838] <... close resumed>) = 0 [pid 6835] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 6838] write(1, "executing program\n", 18 [pid 6837] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6838] <... write resumed>) = 18 [pid 6838] perf_event_open( [pid 6836] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6838] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6837] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6836] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6835] perf_event_open( [pid 6834] <... bpf resumed>) = 7 [pid 6838] perf_event_open( [pid 6837] <... bpf resumed>) = 5 [pid 6836] <... bpf resumed>) = 5 [pid 6835] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6834] exit_group(0 [pid 6838] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6837] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6836] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6834] <... exit_group resumed>) = ? [pid 6835] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6838] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6836] <... bpf resumed>) = 6 [pid 6834] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6834, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6838] <... bpf resumed>) = 5 [pid 6835] <... bpf resumed>) = 5 [pid 6838] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6837] <... bpf resumed>) = 6 [pid 6836] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6835] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6837] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6838] <... bpf resumed>) = 6 [pid 6837] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 6839 attached [pid 6839] set_robust_list(0x55558c953660, 24) = 0 [pid 6839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6838] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6837] exit_group(0 [pid 6836] <... bpf resumed>) = 7 [pid 6835] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6839 [pid 6837] <... exit_group resumed>) = ? [pid 6839] <... prctl resumed>) = 0 [pid 6836] exit_group(0 [pid 6835] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6839] setpgid(0, 0) = 0 [pid 6839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6835] <... bpf resumed>) = 7 [pid 6839] <... openat resumed>) = 3 [pid 6837] +++ exited with 0 +++ [pid 6836] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6838] <... bpf resumed>) = 7 [pid 6835] exit_group(0 [pid 6838] exit_group(0) = ? [pid 6839] write(3, "1000", 4 [pid 6836] +++ exited with 0 +++ [pid 6835] <... exit_group resumed>) = ? [pid 6839] <... write resumed>) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6839] close(3 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6839] <... close resumed>) = 0 [pid 6839] write(1, "executing program\n", 18executing program [pid 6838] +++ exited with 0 +++ [pid 6839] <... write resumed>) = 18 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6838, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6839] perf_event_open( [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6841 attached ./strace-static-x86_64: Process 6840 attached [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6841] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 6842 attached ) = 0 [pid 6840] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6841 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6840 [pid 6841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6840] <... set_robust_list resumed>) = 0 [pid 6842] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6842 [pid 6842] <... set_robust_list resumed>) = 0 [pid 6841] <... prctl resumed>) = 0 [pid 6840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6841] setpgid(0, 0 [pid 6842] <... prctl resumed>) = 0 [pid 6841] <... setpgid resumed>) = 0 [pid 6842] setpgid(0, 0) = 0 [pid 6841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6840] <... prctl resumed>) = 0 [pid 6842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6841] <... openat resumed>) = 3 [pid 6842] <... openat resumed>) = 3 [pid 6840] setpgid(0, 0 [pid 6842] write(3, "1000", 4 [pid 6841] write(3, "1000", 4 [pid 6840] <... setpgid resumed>) = 0 [pid 6842] <... write resumed>) = 4 [pid 6841] <... write resumed>) = 4 [pid 6840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6842] close(3 [pid 6841] close(3 [pid 6840] <... openat resumed>) = 3 [pid 6841] <... close resumed>) = 0 [pid 6842] <... close resumed>) = 0 [pid 6841] write(1, "executing program\n", 18executing program executing program executing program [pid 6842] write(1, "executing program\n", 18 [pid 6841] <... write resumed>) = 18 [pid 6842] <... write resumed>) = 18 [pid 6840] write(3, "1000", 4) = 4 [pid 6840] close(3 [pid 6842] perf_event_open( [pid 6840] <... close resumed>) = 0 [pid 6841] perf_event_open( [pid 6840] write(1, "executing program\n", 18) = 18 [pid 6840] perf_event_open( [pid 6835] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6839] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6839] perf_event_open( [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6842] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6841] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6840] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6839] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6842] perf_event_open( [pid 6841] perf_event_open( [pid 6839] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6842] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6841] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6840] perf_event_open( [pid 6842] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6840] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6839] <... bpf resumed>) = 5 [pid 6841] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6842] <... bpf resumed>) = 5 [pid 6840] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6839] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6842] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6841] <... bpf resumed>) = 5 [pid 6840] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6843 attached [pid 6843] set_robust_list(0x55558c953660, 24 [pid 6840] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6841] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6843] <... set_robust_list resumed>) = 0 [pid 6840] <... bpf resumed>) = 6 [pid 6843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6842] <... bpf resumed>) = 6 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6843 [pid 6843] <... prctl resumed>) = 0 [pid 6843] setpgid(0, 0) = 0 [pid 6843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6843] write(3, "1000", 4 [pid 6842] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6841] <... bpf resumed>) = 6 [pid 6840] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6839] <... bpf resumed>) = 6 [pid 6843] <... write resumed>) = 4 [pid 6841] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6843] close(3 [pid 6842] <... bpf resumed>) = 7 [pid 6841] <... bpf resumed>) = 7 [pid 6840] <... bpf resumed>) = 7 [pid 6839] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6843] <... close resumed>) = 0 executing program [pid 6843] write(1, "executing program\n", 18 [pid 6842] exit_group(0 [pid 6841] exit_group(0 [pid 6840] exit_group(0 [pid 6839] <... bpf resumed>) = 7 [pid 6843] <... write resumed>) = 18 [pid 6841] <... exit_group resumed>) = ? [pid 6843] perf_event_open( [pid 6842] <... exit_group resumed>) = ? [pid 6840] <... exit_group resumed>) = ? [pid 6839] exit_group(0 [pid 6843] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6841] +++ exited with 0 +++ [pid 6840] +++ exited with 0 +++ [pid 6839] <... exit_group resumed>) = ? [pid 6843] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6842] +++ exited with 0 +++ [pid 6843] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6843] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6842, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6839] +++ exited with 0 +++ [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... restart_syscall resumed>) = 0 [pid 6843] <... bpf resumed>) = 5 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6843] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6839, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6845 attached [pid 6843] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6844 attached [pid 5872] <... restart_syscall resumed>) = 0 [pid 6844] set_robust_list(0x55558c953660, 24 [pid 6843] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6844 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6845] set_robust_list(0x55558c953660, 24) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6845 ./strace-static-x86_64: Process 6847 attached ./strace-static-x86_64: Process 6846 attached [pid 6847] set_robust_list(0x55558c953660, 24 [pid 6846] set_robust_list(0x55558c953660, 24 [pid 6845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6846] <... set_robust_list resumed>) = 0 [pid 6847] <... set_robust_list resumed>) = 0 [pid 6846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6845] <... prctl resumed>) = 0 [pid 6844] <... set_robust_list resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6847 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6846 [pid 6847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6845] setpgid(0, 0 [pid 6843] <... bpf resumed>) = 7 [pid 6847] <... prctl resumed>) = 0 [pid 6846] <... prctl resumed>) = 0 [pid 6845] <... setpgid resumed>) = 0 [pid 6844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6847] setpgid(0, 0 [pid 6846] setpgid(0, 0 [pid 6847] <... setpgid resumed>) = 0 [pid 6846] <... setpgid resumed>) = 0 [pid 6843] exit_group(0 [pid 6847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6844] <... prctl resumed>) = 0 [pid 6843] <... exit_group resumed>) = ? [pid 6847] <... openat resumed>) = 3 [pid 6846] <... openat resumed>) = 3 [pid 6845] <... openat resumed>) = 3 [pid 6844] setpgid(0, 0 [pid 6847] write(3, "1000", 4executing program ) = 4 [pid 6846] write(3, "1000", 4 [pid 6845] write(3, "1000", 4 [pid 6844] <... setpgid resumed>) = 0 [pid 6847] close(3 [pid 6845] <... write resumed>) = 4 [pid 6847] <... close resumed>) = 0 [pid 6846] <... write resumed>) = 4 [pid 6844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6845] close(3 [pid 6847] write(1, "executing program\n", 18 [pid 6846] close(3 [pid 6847] <... write resumed>) = 18 [pid 6846] <... close resumed>) = 0 [pid 6847] perf_event_open( [pid 6846] write(1, "executing program\n", 18 [pid 6845] <... close resumed>) = 0 [pid 6844] <... openat resumed>) = 3 executing program executing program [pid 6845] write(1, "executing program\n", 18 [pid 6844] write(3, "1000", 4 [pid 6845] <... write resumed>) = 18 [pid 6846] <... write resumed>) = 18 [pid 6844] <... write resumed>) = 4 [pid 6845] perf_event_open( [pid 6846] perf_event_open( [pid 6844] close(3) = 0 executing program [pid 6844] write(1, "executing program\n", 18) = 18 [pid 6844] perf_event_open( [pid 6843] +++ exited with 0 +++ [pid 6847] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6846] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6845] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6847] perf_event_open( [pid 6845] perf_event_open( [pid 6844] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6846] perf_event_open( [pid 6844] perf_event_open( [pid 6847] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6846] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6847] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6846] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6845] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6844] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6847] <... bpf resumed>) = 5 [pid 6845] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6847] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6846] <... bpf resumed>) = 5 [pid 6845] <... bpf resumed>) = 5 [pid 6844] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6846] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6845] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6844] <... bpf resumed>) = 5 [pid 6847] <... bpf resumed>) = 6 [pid 6846] <... bpf resumed>) = 6 [pid 6844] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6847] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6846] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6845] <... bpf resumed>) = 6 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6847] <... bpf resumed>) = 7 [pid 6845] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 ./strace-static-x86_64: Process 6848 attached [pid 6847] exit_group(0 [pid 6846] <... bpf resumed>) = 7 [pid 6844] <... bpf resumed>) = 6 [pid 6848] set_robust_list(0x55558c953660, 24) = 0 [pid 6845] exit_group(0 [pid 6848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6847] <... exit_group resumed>) = ? [pid 6846] exit_group(0 [pid 6844] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6848 [pid 6848] <... prctl resumed>) = 0 [pid 6848] setpgid(0, 0) = 0 [pid 6848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6847] +++ exited with 0 +++ [pid 6848] <... openat resumed>) = 3 [pid 6845] <... exit_group resumed>) = ? [pid 6844] <... bpf resumed>) = 7 [pid 6846] <... exit_group resumed>) = ? [pid 6844] exit_group(0 [pid 6848] write(3, "1000", 4 [pid 6846] +++ exited with 0 +++ [pid 6845] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6847, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6848] <... write resumed>) = 4 [pid 6844] <... exit_group resumed>) = ? [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6848] close(3 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6848] <... close resumed>) = 0 executing program [pid 6848] write(1, "executing program\n", 18 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6848] <... write resumed>) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6848] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6850 attached ./strace-static-x86_64: Process 6849 attached [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6850] set_robust_list(0x55558c953660, 24 [pid 6849] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6850 [pid 6850] <... set_robust_list resumed>) = 0 [pid 6850] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6851 attached [pid 6849] <... set_robust_list resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6849 [pid 6849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6851] set_robust_list(0x55558c953660, 24) = 0 [pid 6850] <... prctl resumed>) = 0 [pid 6849] <... prctl resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6851 [pid 6851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6850] setpgid(0, 0) = 0 [pid 6851] <... prctl resumed>) = 0 [pid 6849] setpgid(0, 0 [pid 6851] setpgid(0, 0 [pid 6849] <... setpgid resumed>) = 0 [pid 6850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6851] <... setpgid resumed>) = 0 [pid 6850] write(3, "1000", 4) = 4 executing program [pid 6850] close(3 [pid 6851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6849] <... openat resumed>) = 3 [pid 6848] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6844] +++ exited with 0 +++ [pid 6851] <... openat resumed>) = 3 [pid 6848] perf_event_open( [pid 6850] <... close resumed>) = 0 [pid 6849] write(3, "1000", 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6844, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6850] write(1, "executing program\n", 18) = 18 [pid 6851] write(3, "1000", 4 [pid 6850] perf_event_open( [pid 6849] <... write resumed>) = 4 [pid 6848] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6851] <... write resumed>) = 4 [pid 6850] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6848] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6851] close(3 [pid 6850] perf_event_open( [pid 6849] close(3 [pid 6848] <... bpf resumed>) = 5 [pid 6849] <... close resumed>) = 0 [pid 6851] <... close resumed>) = 0 [pid 6850] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 6849] write(1, "executing program\n", 18 [pid 6848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6851] write(1, "executing program\n", 18 [pid 6849] <... write resumed>) = 18 executing program [pid 6851] <... write resumed>) = 18 [pid 6850] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6851] perf_event_open( [pid 6850] <... bpf resumed>) = 5 [pid 6849] perf_event_open( [pid 6851] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 6852 attached [pid 6851] perf_event_open( [pid 6850] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6849] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6848] <... bpf resumed>) = 6 [pid 6852] set_robust_list(0x55558c953660, 24 [pid 6851] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6848] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6852] <... set_robust_list resumed>) = 0 [pid 6851] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6850] <... bpf resumed>) = 6 [pid 6849] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6852 [pid 6848] <... bpf resumed>) = 7 [pid 6852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6850] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6851] <... bpf resumed>) = 5 [pid 6851] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6852] <... prctl resumed>) = 0 [pid 6850] <... bpf resumed>) = 7 [pid 6849] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6848] exit_group(0 [pid 6852] setpgid(0, 0 [pid 6851] <... bpf resumed>) = 6 [pid 6850] exit_group(0 [pid 6849] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6848] <... exit_group resumed>) = ? [pid 6852] <... setpgid resumed>) = 0 [pid 6851] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6850] <... exit_group resumed>) = ? [pid 6849] <... bpf resumed>) = 5 [pid 6852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6851] <... bpf resumed>) = 7 [pid 6850] +++ exited with 0 +++ [pid 6849] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6848] +++ exited with 0 +++ [pid 6852] write(3, "1000", 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6852] <... write resumed>) = 4 [pid 6851] exit_group(0 [pid 6849] <... bpf resumed>) = 6 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6852] close(3./strace-static-x86_64: Process 6853 attached ) = 0 [pid 6851] <... exit_group resumed>) = ? [pid 6849] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6852] write(1, "executing program\n", 18executing program ) = 18 [pid 6849] <... bpf resumed>) = 7 [pid 6852] perf_event_open(./strace-static-x86_64: Process 6854 attached [pid 6853] set_robust_list(0x55558c953660, 24 [pid 6852] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6849] exit_group(0 [pid 6853] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6853 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6854 [pid 6854] set_robust_list(0x55558c953660, 24 [pid 6853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6853] setpgid(0, 0) = 0 [pid 6854] <... set_robust_list resumed>) = 0 [pid 6853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6849] <... exit_group resumed>) = ? [pid 6854] <... prctl resumed>) = 0 [pid 6853] <... openat resumed>) = 3 [pid 6854] setpgid(0, 0 [pid 6852] perf_event_open( [pid 6851] +++ exited with 0 +++ [pid 6854] <... setpgid resumed>) = 0 [pid 6853] write(3, "1000", 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6853] <... write resumed>) = 4 [pid 6853] close(3 [pid 6854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6853] <... close resumed>) = 0 executing program [pid 6854] <... openat resumed>) = 3 [pid 6853] write(1, "executing program\n", 18 [pid 6854] write(3, "1000", 4 [pid 6853] <... write resumed>) = 18 [pid 6854] <... write resumed>) = 4 [pid 6854] close(3 [pid 6853] perf_event_open( [pid 6854] <... close resumed>) = 0 executing program [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6854] write(1, "executing program\n", 18) = 18 [pid 6854] perf_event_open( [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6855 ./strace-static-x86_64: Process 6855 attached [pid 6854] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6853] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6852] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6849] +++ exited with 0 +++ [pid 6854] perf_event_open( [pid 6853] perf_event_open( [pid 6854] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6853] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6855] set_robust_list(0x55558c953660, 24) = 0 [pid 6854] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6853] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6852] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6854] <... bpf resumed>) = 5 [pid 6853] <... bpf resumed>) = 5 [pid 6852] <... bpf resumed>) = 5 [pid 6855] <... prctl resumed>) = 0 [pid 6854] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6853] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6855] setpgid(0, 0 [pid 6854] <... bpf resumed>) = 6 [pid 6852] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6855] <... setpgid resumed>) = 0 [pid 6853] <... bpf resumed>) = 6 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6854] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6853] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6856 attached [pid 6854] <... bpf resumed>) = 7 [pid 6856] set_robust_list(0x55558c953660, 24) = 0 [pid 6856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6853] <... bpf resumed>) = 7 [pid 6856] <... prctl resumed>) = 0 [pid 6855] <... openat resumed>) = 3 [pid 6852] <... bpf resumed>) = 6 [pid 6856] setpgid(0, 0) = 0 [pid 6854] exit_group(0 [pid 6856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6852] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6855] write(3, "1000", 4 [pid 6854] <... exit_group resumed>) = ? [pid 6853] exit_group(0 [pid 6852] <... bpf resumed>) = 7 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6856 [pid 6856] <... openat resumed>) = 3 [pid 6855] <... write resumed>) = 4 [pid 6856] write(3, "1000", 4 [pid 6855] close(3 [pid 6856] <... write resumed>) = 4 [pid 6853] <... exit_group resumed>) = ? [pid 6852] exit_group(0 [pid 6855] <... close resumed>) = 0 [pid 6856] close(3 [pid 6852] <... exit_group resumed>) = ? [pid 6856] <... close resumed>) = 0 executing program [pid 6856] write(1, "executing program\n", 18 [pid 6855] write(1, "executing program\n", 18) = 18 executing program [pid 6855] perf_event_open( [pid 6856] <... write resumed>) = 18 [pid 6856] perf_event_open( [pid 6855] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6856] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6855] perf_event_open( [pid 6854] +++ exited with 0 +++ [pid 6856] perf_event_open( [pid 6853] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6856] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6855] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6856] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6855] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6852] +++ exited with 0 +++ [pid 6856] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6856] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6855] <... bpf resumed>) = 5 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... restart_syscall resumed>) = 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6857 attached [pid 6855] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6857] set_robust_list(0x55558c953660, 24 [pid 6856] <... bpf resumed>) = 6 [pid 6857] <... set_robust_list resumed>) = 0 [pid 6856] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6857 ./strace-static-x86_64: Process 6858 attached [pid 6857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6856] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6858] set_robust_list(0x55558c953660, 24 [pid 6856] exit_group(0 [pid 6855] <... bpf resumed>) = 6 [pid 6858] <... set_robust_list resumed>) = 0 [pid 6857] <... prctl resumed>) = 0 [pid 6857] setpgid(0, 0) = 0 [pid 6857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6856] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6859 attached [pid 6858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6857] <... openat resumed>) = 3 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6858 [pid 6859] set_robust_list(0x55558c953660, 24 [pid 6857] write(3, "1000", 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6859 [pid 6859] <... set_robust_list resumed>) = 0 [pid 6857] <... write resumed>) = 4 [pid 6859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6857] close(3) = 0 [pid 6859] <... prctl resumed>) = 0 [pid 6858] <... prctl resumed>) = 0 [pid 6856] +++ exited with 0 +++ [pid 6855] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6859] setpgid(0, 0 [pid 6858] setpgid(0, 0 [pid 6857] write(1, "executing program\n", 18executing program [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6855] <... bpf resumed>) = 7 [pid 6859] <... setpgid resumed>) = 0 [pid 6858] <... setpgid resumed>) = 0 [pid 6857] <... write resumed>) = 18 [pid 6859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6857] perf_event_open( [pid 6855] exit_group(0 [pid 6859] <... openat resumed>) = 3 [pid 6858] <... openat resumed>) = 3 [pid 6857] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6855] <... exit_group resumed>) = ? [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6859] write(3, "1000", 4./strace-static-x86_64: Process 6860 attached ) = 4 [pid 6858] write(3, "1000", 4 [pid 6857] perf_event_open( [pid 6859] close(3) = 0 [pid 6858] <... write resumed>) = 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6860 executing program [pid 6860] set_robust_list(0x55558c953660, 24 [pid 6859] write(1, "executing program\n", 18 [pid 6858] close(3 [pid 6860] <... set_robust_list resumed>) = 0 [pid 6859] <... write resumed>) = 18 [pid 6858] <... close resumed>) = 0 [pid 6859] perf_event_open( [pid 6858] write(1, "executing program\n", 18executing program [pid 6860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6858] <... write resumed>) = 18 [pid 6858] perf_event_open( [pid 6860] setpgid(0, 0) = 0 [pid 6860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6860] write(3, "1000", 4) = 4 [pid 6860] close(3executing program ) = 0 [pid 6860] write(1, "executing program\n", 18) = 18 [pid 6860] perf_event_open( [pid 6855] +++ exited with 0 +++ [pid 6857] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6857] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6860] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6859] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6858] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6855, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6860] perf_event_open( [pid 6859] perf_event_open( [pid 6858] perf_event_open( [pid 6857] <... bpf resumed>) = 5 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6860] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6859] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6858] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6857] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6861 attached [pid 6858] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6859] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6860] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6858] <... bpf resumed>) = 5 [pid 6861] set_robust_list(0x55558c953660, 24 [pid 6859] <... bpf resumed>) = 5 [pid 6858] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6861] <... set_robust_list resumed>) = 0 [pid 6860] <... bpf resumed>) = 5 [pid 6859] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6857] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6861 [pid 6861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6860] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 6 [pid 6859] <... bpf resumed>) = 6 [pid 6861] <... prctl resumed>) = 0 [pid 6860] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6859] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6858] <... bpf resumed>) = 6 [pid 6857] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6861] setpgid(0, 0 [pid 6858] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 6861] <... setpgid resumed>) = 0 [pid 6860] <... bpf resumed>) = 7 [pid 6859] <... bpf resumed>) = 7 [pid 6857] <... bpf resumed>) = 7 [pid 6861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6860] exit_group(0 [pid 6858] exit_group(0 [pid 6857] exit_group(0 [pid 6861] write(3, "1000", 4 [pid 6859] exit_group(0 [pid 6858] <... exit_group resumed>) = ? [pid 6857] <... exit_group resumed>) = ? [pid 6861] <... write resumed>) = 4 [pid 6860] <... exit_group resumed>) = ? [pid 6861] close(3 [pid 6859] <... exit_group resumed>) = ? [pid 6858] +++ exited with 0 +++ [pid 6859] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6861] <... close resumed>) = 0 executing program [pid 6861] write(1, "executing program\n", 18 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6861] <... write resumed>) = 18 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6861] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6861] perf_event_open( [pid 5871] <... restart_syscall resumed>) = 0 [pid 6861] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6861] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6860] +++ exited with 0 +++ [pid 6857] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6862 attached [pid 6861] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6860, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6857, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6862] set_robust_list(0x55558c953660, 24 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6862] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6862 [pid 6861] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... restart_syscall resumed>) = 0 [pid 6862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6862] setpgid(0, 0) = 0 [pid 6862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6861] <... bpf resumed>) = 6 [pid 6862] <... openat resumed>) = 3 [pid 6862] write(3, "1000", 4) = 4 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6863 attached [pid 6862] close(3 [pid 6861] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6862] <... close resumed>) = 0 [pid 6862] write(1, "executing program\n", 18) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6862] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6863 [pid 6863] set_robust_list(0x55558c953660, 24executing program ./strace-static-x86_64: Process 6864 attached ) = 0 [pid 6861] <... bpf resumed>) = 7 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6864 ./strace-static-x86_64: Process 6865 attached [pid 6864] set_robust_list(0x55558c953660, 24 [pid 6863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6862] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6861] exit_group(0 [pid 6865] set_robust_list(0x55558c953660, 24 [pid 6864] <... set_robust_list resumed>) = 0 [pid 6863] <... prctl resumed>) = 0 [pid 6862] perf_event_open( [pid 6865] <... set_robust_list resumed>) = 0 [pid 6864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6863] setpgid(0, 0 [pid 6861] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6865 [pid 6865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6864] <... prctl resumed>) = 0 [pid 6863] <... setpgid resumed>) = 0 [pid 6862] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6864] setpgid(0, 0 [pid 6865] <... prctl resumed>) = 0 [pid 6864] <... setpgid resumed>) = 0 [pid 6863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6862] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6861] +++ exited with 0 +++ [pid 6863] <... openat resumed>) = 3 [pid 6865] setpgid(0, 0 [pid 6864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6862] <... bpf resumed>) = 5 [pid 6865] <... setpgid resumed>) = 0 [pid 6863] write(3, "1000", 4 [pid 6862] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6864] <... openat resumed>) = 3 [pid 6863] <... write resumed>) = 4 [pid 6863] close(3executing program ) = 0 [pid 6865] <... openat resumed>) = 3 [pid 6864] write(3, "1000", 4 [pid 6863] write(1, "executing program\n", 18) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6865] write(3, "1000", 4 [pid 6864] <... write resumed>) = 4 [pid 6863] perf_event_open( [pid 6862] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6866 attached executing program executing program [pid 6865] <... write resumed>) = 4 [pid 6864] close(3 [pid 6863] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6865] close(3 [pid 6864] <... close resumed>) = 0 [pid 6865] <... close resumed>) = 0 [pid 6864] write(1, "executing program\n", 18 [pid 6863] perf_event_open( [pid 6865] write(1, "executing program\n", 18 [pid 6864] <... write resumed>) = 18 [pid 6866] set_robust_list(0x55558c953660, 24 [pid 6865] <... write resumed>) = 18 [pid 6862] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6864] perf_event_open( [pid 6863] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6866 [pid 6865] perf_event_open( [pid 6864] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6863] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6865] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6864] perf_event_open( [pid 6863] <... bpf resumed>) = 5 [pid 6862] <... bpf resumed>) = 7 [pid 6863] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6866] <... set_robust_list resumed>) = 0 [pid 6865] perf_event_open( [pid 6864] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6862] exit_group(0 [pid 6864] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6865] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6864] <... bpf resumed>) = 5 [pid 6863] <... bpf resumed>) = 6 [pid 6862] <... exit_group resumed>) = ? [pid 6866] <... prctl resumed>) = 0 [pid 6864] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6866] setpgid(0, 0 [pid 6865] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6863] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6862] +++ exited with 0 +++ [pid 6866] <... setpgid resumed>) = 0 [pid 6865] <... bpf resumed>) = 5 [pid 6863] <... bpf resumed>) = 7 [pid 6866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6863] exit_group(0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6863] <... exit_group resumed>) = ? [pid 6866] <... openat resumed>) = 3 [pid 6865] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6864] <... bpf resumed>) = 6 [pid 6866] write(3, "1000", 4 [pid 6863] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6867 attached [pid 6866] <... write resumed>) = 4 [pid 6865] <... bpf resumed>) = 6 [pid 6864] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6866] close(3 [pid 6867] set_robust_list(0x55558c953660, 24 [pid 6866] <... close resumed>) = 0 [pid 6865] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6867 [pid 6867] <... set_robust_list resumed>) = 0 [pid 6866] write(1, "executing program\n", 18executing program [pid 6865] <... bpf resumed>) = 7 [pid 6864] <... bpf resumed>) = 7 [pid 6867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6866] <... write resumed>) = 18 [pid 6866] perf_event_open( [pid 6865] exit_group(0 [pid 6867] <... prctl resumed>) = 0 [pid 6864] exit_group(0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6867] setpgid(0, 0 [pid 6865] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6868 attached [pid 6867] <... setpgid resumed>) = 0 [pid 6866] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6864] <... exit_group resumed>) = ? [pid 6867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6865] +++ exited with 0 +++ [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6868 [pid 6868] set_robust_list(0x55558c953660, 24 [pid 6867] <... openat resumed>) = 3 [pid 6866] perf_event_open( [pid 6868] <... set_robust_list resumed>) = 0 [pid 6867] write(3, "1000", 4) = 4 [pid 6867] close(3) = 0 [pid 6867] write(1, "executing program\n", 18 [pid 6866] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 6867] <... write resumed>) = 18 [pid 6868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6868] <... prctl resumed>) = 0 [pid 6867] perf_event_open( [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6868] setpgid(0, 0 [pid 6867] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6866] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6868] <... setpgid resumed>) = 0 [pid 6867] perf_event_open( [pid 6868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6867] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6867] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6866] <... bpf resumed>) = 5 [pid 6868] <... openat resumed>) = 3 [pid 6864] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 6866] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6868] write(3, "1000", 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6867] <... bpf resumed>) = 5 [pid 6868] <... write resumed>) = 4 [pid 6867] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6868] close(3 [pid 6866] <... bpf resumed>) = 6 [pid 6868] <... close resumed>) = 0 [pid 6866] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6866] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 6870 attached ./strace-static-x86_64: Process 6869 attached [pid 6868] write(1, "executing program\n", 18 [pid 6867] <... bpf resumed>) = 6 [pid 6870] set_robust_list(0x55558c953660, 24) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6870 [pid 6870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6870] setpgid(0, 0executing program ) = 0 [pid 6869] set_robust_list(0x55558c953660, 24 [pid 6868] <... write resumed>) = 18 [pid 6870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6869] <... set_robust_list resumed>) = 0 [pid 6868] perf_event_open( [pid 6867] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6866] exit_group(0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6869 [pid 6870] <... openat resumed>) = 3 [pid 6869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6870] write(3, "1000", 4) = 4 [pid 6867] <... bpf resumed>) = 7 [pid 6869] <... prctl resumed>) = 0 [pid 6870] close(3) = 0 [pid 6870] write(1, "executing program\n", 18 [pid 6868] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6870] <... write resumed>) = 18 [pid 6869] setpgid(0, 0 [pid 6870] perf_event_open( [pid 6866] <... exit_group resumed>) = ? [pid 6869] <... setpgid resumed>) = 0 [pid 6868] perf_event_open( [pid 6867] exit_group(0 [pid 6870] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6866] +++ exited with 0 +++ [pid 6870] perf_event_open( [pid 6869] <... openat resumed>) = 3 [pid 6868] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6867] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6866, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6870] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6869] write(3, "1000", 4 [pid 6868] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6870] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6869] <... write resumed>) = 4 [pid 6868] <... bpf resumed>) = 5 [pid 6867] +++ exited with 0 +++ [pid 6869] close(3 [pid 6868] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6869] <... close resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6867, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6869] write(1, "executing program\n", 18 [pid 5871] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6871 attached [pid 6871] set_robust_list(0x55558c953660, 24) = 0 [pid 6871] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6868] <... bpf resumed>) = 6 [pid 6869] <... write resumed>) = 18 [pid 6871] <... prctl resumed>) = 0 [pid 6871] setpgid(0, 0) = 0 [pid 6870] <... bpf resumed>) = 5 [pid 6869] perf_event_open( [pid 6868] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6871 [pid 6871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6870] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6871] <... openat resumed>) = 3 [pid 6869] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6868] <... bpf resumed>) = 7 [pid 6868] exit_group(0 [pid 6871] write(3, "1000", 4 [pid 6869] perf_event_open( [pid 6871] <... write resumed>) = 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6868] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6872 attached [pid 6871] close(3 [pid 6872] set_robust_list(0x55558c953660, 24) = 0 [pid 6872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6870] <... bpf resumed>) = 6 [pid 6872] <... prctl resumed>) = 0 [pid 6872] setpgid(0, 0) = 0 executing program [pid 6871] <... close resumed>) = 0 [pid 6870] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6869] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6868] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6872 [pid 6872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6871] write(1, "executing program\n", 18 [pid 6869] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6871] <... write resumed>) = 18 [pid 6869] <... bpf resumed>) = 5 [pid 6872] <... openat resumed>) = 3 [pid 6871] perf_event_open( [pid 6869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6872] write(3, "1000", 4 [pid 6871] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6872] <... write resumed>) = 4 [pid 6872] close(3 [pid 6871] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6873 attached [pid 6872] <... close resumed>) = 0 [pid 6871] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6870] <... bpf resumed>) = 7 executing program [pid 6872] write(1, "executing program\n", 18) = 18 [pid 6872] perf_event_open( [pid 6873] set_robust_list(0x55558c953660, 24 [pid 6871] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6873] <... set_robust_list resumed>) = 0 [pid 6872] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6873 [pid 6870] exit_group(0 [pid 6872] perf_event_open( [pid 6871] <... bpf resumed>) = 5 [pid 6873] <... prctl resumed>) = 0 [pid 6872] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6873] setpgid(0, 0 [pid 6869] <... bpf resumed>) = 6 [pid 6870] <... exit_group resumed>) = ? [pid 6873] <... setpgid resumed>) = 0 [pid 6871] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6872] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6873] <... openat resumed>) = 3 [pid 6872] <... bpf resumed>) = 5 [pid 6873] write(3, "1000", 4) = 4 [pid 6872] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6873] close(3) = 0 [pid 6873] write(1, "executing program\n", 18executing program [pid 6872] <... bpf resumed>) = 6 [pid 6871] <... bpf resumed>) = 6 [pid 6870] +++ exited with 0 +++ [pid 6869] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6873] <... write resumed>) = 18 [pid 6871] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6873] perf_event_open( [pid 6872] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6873] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6872] <... bpf resumed>) = 7 [pid 6871] <... bpf resumed>) = 7 [pid 6869] <... bpf resumed>) = 7 [pid 6873] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6872] exit_group(0 [pid 6869] exit_group(0 [pid 6873] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6871] exit_group(0 [pid 6873] <... bpf resumed>) = 5 [pid 6872] <... exit_group resumed>) = ? [pid 6869] <... exit_group resumed>) = ? [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6873] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6871] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6874 attached [pid 6874] set_robust_list(0x55558c953660, 24) = 0 [pid 6873] <... bpf resumed>) = 6 [pid 6872] +++ exited with 0 +++ [pid 6871] +++ exited with 0 +++ [pid 6869] +++ exited with 0 +++ [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6874 [pid 6874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6872, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6871, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6874] <... prctl resumed>) = 0 [pid 6873] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6874] setpgid(0, 0) = 0 [pid 6873] <... bpf resumed>) = 7 [pid 6874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6874] <... openat resumed>) = 3 [pid 6873] exit_group(0 [pid 6874] write(3, "1000", 4./strace-static-x86_64: Process 6877 attached ./strace-static-x86_64: Process 6876 attached ./strace-static-x86_64: Process 6875 attached ) = 4 [pid 6873] <... exit_group resumed>) = ? [pid 6877] set_robust_list(0x55558c953660, 24 [pid 6876] set_robust_list(0x55558c953660, 24 [pid 6874] close(3 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6875 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6876 [pid 6877] <... set_robust_list resumed>) = 0 [pid 6876] <... set_robust_list resumed>) = 0 [pid 6877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6877] <... prctl resumed>) = 0 [pid 6876] <... prctl resumed>) = 0 [pid 6877] setpgid(0, 0 [pid 6876] setpgid(0, 0 [pid 6877] <... setpgid resumed>) = 0 [pid 6876] <... setpgid resumed>) = 0 [pid 6875] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6877 [pid 6877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 6876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6875] <... set_robust_list resumed>) = 0 [pid 6874] <... close resumed>) = 0 [pid 6874] write(1, "executing program\n", 18 [pid 6876] <... openat resumed>) = 3 [pid 6875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6874] <... write resumed>) = 18 [pid 6877] <... openat resumed>) = 3 [pid 6876] write(3, "1000", 4 [pid 6875] <... prctl resumed>) = 0 [pid 6877] write(3, "1000", 4 [pid 6874] perf_event_open( [pid 6877] <... write resumed>) = 4 [pid 6876] <... write resumed>) = 4 [pid 6875] setpgid(0, 0 [pid 6877] close(3 [pid 6876] close(3 [pid 6877] <... close resumed>) = 0 executing program [pid 6876] <... close resumed>) = 0 [pid 6877] write(1, "executing program\n", 18 [pid 6875] <... setpgid resumed>) = 0 [pid 6876] write(1, "executing program\n", 18 [pid 6877] <... write resumed>) = 18 executing program [pid 6876] <... write resumed>) = 18 [pid 6875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6877] perf_event_open( [pid 6876] perf_event_open( [pid 6875] <... openat resumed>) = 3 [pid 6875] write(3, "1000", 4) = 4 [pid 6875] close(3) = 0 [pid 6875] write(1, "executing program\n", 18executing program ) = 18 [pid 6875] perf_event_open( [pid 6873] +++ exited with 0 +++ [pid 6876] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6874] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6874] perf_event_open( [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6877] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6876] perf_event_open( [pid 6875] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6874] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6877] perf_event_open( [pid 6876] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6875] perf_event_open( [pid 6874] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6877] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6874] <... bpf resumed>) = 5 [pid 6875] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6877] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6876] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6874] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6875] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6877] <... bpf resumed>) = 5 [pid 6876] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6877] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6875] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6878 attached [pid 6874] <... bpf resumed>) = 6 [pid 6876] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6875] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6878] set_robust_list(0x55558c953660, 24 [pid 6874] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6877] <... bpf resumed>) = 6 [pid 6877] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6878] <... set_robust_list resumed>) = 0 [pid 6875] <... bpf resumed>) = 6 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6878 [pid 6878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6877] <... bpf resumed>) = 7 [pid 6876] <... bpf resumed>) = 6 [pid 6878] <... prctl resumed>) = 0 [pid 6878] setpgid(0, 0 [pid 6877] exit_group(0 [pid 6876] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6875] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6874] <... bpf resumed>) = 7 [pid 6878] <... setpgid resumed>) = 0 [pid 6877] <... exit_group resumed>) = ? [pid 6874] exit_group(0 [pid 6878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6874] <... exit_group resumed>) = ? [pid 6878] <... openat resumed>) = 3 [pid 6877] +++ exited with 0 +++ [pid 6875] <... bpf resumed>) = 7 [pid 6876] <... bpf resumed>) = 7 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6876] exit_group(0 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6874] +++ exited with 0 +++ [pid 6876] <... exit_group resumed>) = ? [pid 6878] write(3, "1000", 4 [pid 6875] exit_group(0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6878] <... write resumed>) = 4 [pid 6878] close(3 [pid 6876] +++ exited with 0 +++ [pid 6875] <... exit_group resumed>) = ? [pid 5872] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6878] <... close resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6878] write(1, "executing program\n", 18 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6878] <... write resumed>) = 18 [pid 6878] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6879 attached [pid 6878] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6875] +++ exited with 0 +++ [pid 6878] perf_event_open( [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6879 ./strace-static-x86_64: Process 6880 attached [pid 6879] set_robust_list(0x55558c953660, 24 [pid 6878] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6879] <... set_robust_list resumed>) = 0 [pid 6878] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6881 attached [pid 6880] set_robust_list(0x55558c953660, 24 [pid 6879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6878] <... bpf resumed>) = 5 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6881 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6881] set_robust_list(0x55558c953660, 24 [pid 6880] <... set_robust_list resumed>) = 0 [pid 6879] <... prctl resumed>) = 0 [pid 6878] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6880 ./strace-static-x86_64: Process 6882 attached [pid 6881] <... set_robust_list resumed>) = 0 [pid 6880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6879] setpgid(0, 0 [pid 6882] set_robust_list(0x55558c953660, 24 [pid 6881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6880] <... prctl resumed>) = 0 [pid 6879] <... setpgid resumed>) = 0 [pid 6878] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6882 [pid 6882] <... set_robust_list resumed>) = 0 [pid 6881] <... prctl resumed>) = 0 [pid 6880] setpgid(0, 0 [pid 6879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6881] setpgid(0, 0 [pid 6882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6880] <... setpgid resumed>) = 0 [pid 6879] <... openat resumed>) = 3 [pid 6878] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6882] <... prctl resumed>) = 0 [pid 6881] <... setpgid resumed>) = 0 [pid 6880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6879] write(3, "1000", 4 [pid 6882] setpgid(0, 0) = 0 [pid 6881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6878] <... bpf resumed>) = 7 [pid 6882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6881] <... openat resumed>) = 3 [pid 6880] <... openat resumed>) = 3 executing program executing program [pid 6882] <... openat resumed>) = 3 [pid 6879] <... write resumed>) = 4 [pid 6878] exit_group(0 [pid 6882] write(3, "1000", 4 [pid 6881] write(3, "1000", 4 [pid 6880] write(3, "1000", 4 [pid 6879] close(3 [pid 6878] <... exit_group resumed>) = ? [pid 6882] <... write resumed>) = 4 [pid 6881] <... write resumed>) = 4 [pid 6879] <... close resumed>) = 0 [pid 6882] close(3 [pid 6881] close(3 [pid 6880] <... write resumed>) = 4 [pid 6879] write(1, "executing program\n", 18 [pid 6882] <... close resumed>) = 0 [pid 6881] <... close resumed>) = 0 [pid 6882] write(1, "executing program\n", 18 [pid 6881] write(1, "executing program\n", 18 [pid 6882] <... write resumed>) = 18 [pid 6881] <... write resumed>) = 18 [pid 6882] perf_event_open( [pid 6881] perf_event_open( [pid 6882] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6881] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6882] perf_event_open(executing program {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6881] perf_event_open( [pid 6880] close(3 [pid 6879] <... write resumed>) = 18 [pid 6878] +++ exited with 0 +++ [pid 6882] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6881] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 6880] <... close resumed>) = 0 [pid 6879] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6880] write(1, "executing program\n", 18 [pid 6882] <... bpf resumed>) = 5 [pid 6881] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6880] <... write resumed>) = 18 [pid 6879] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6881] <... bpf resumed>) = 5 [pid 6880] perf_event_open( [pid 6879] perf_event_open( [pid 6881] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6880] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6880] perf_event_open( [pid 6879] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6881] <... bpf resumed>) = 6 [pid 6880] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 6883 attached [pid 6882] <... bpf resumed>) = 6 [pid 6881] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6879] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6883 [pid 6883] set_robust_list(0x55558c953660, 24 [pid 6882] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6883] <... set_robust_list resumed>) = 0 [pid 6879] <... bpf resumed>) = 5 [pid 6883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6883] setpgid(0, 0 [pid 6882] <... bpf resumed>) = 7 [pid 6879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6883] <... setpgid resumed>) = 0 [pid 6881] <... bpf resumed>) = 7 [pid 6883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6882] exit_group(0 [pid 6880] <... bpf resumed>) = 5 [pid 6879] <... bpf resumed>) = 6 [pid 6883] <... openat resumed>) = 3 [pid 6881] exit_group(0 [pid 6880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6879] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6883] write(3, "1000", 4 [pid 6882] <... exit_group resumed>) = ? [pid 6881] <... exit_group resumed>) = ? [pid 6879] <... bpf resumed>) = 7 [pid 6883] <... write resumed>) = 4 [pid 6883] close(3) = 0 [pid 6883] write(1, "executing program\n", 18executing program ) = 18 [pid 6883] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6879] exit_group(0 [pid 6883] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6882] +++ exited with 0 +++ [pid 6880] <... bpf resumed>) = 6 [pid 6879] <... exit_group resumed>) = ? [pid 6883] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6881] +++ exited with 0 +++ [pid 6883] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6881, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6883] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6880] <... bpf resumed>) = 7 [pid 6879] +++ exited with 0 +++ [pid 6880] exit_group(0 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6880] <... exit_group resumed>) = ? [pid 6883] <... bpf resumed>) = 6 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... restart_syscall resumed>) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6883] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6884 ./strace-static-x86_64: Process 6885 attached ./strace-static-x86_64: Process 6884 attached [pid 6883] <... bpf resumed>) = 7 [pid 6880] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 6885] set_robust_list(0x55558c953660, 24 [pid 6884] set_robust_list(0x55558c953660, 24 [pid 6883] exit_group(0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6885 [pid 6885] <... set_robust_list resumed>) = 0 [pid 6884] <... set_robust_list resumed>) = 0 [pid 6884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6884] <... prctl resumed>) = 0 [pid 6883] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6880, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6885] <... prctl resumed>) = 0 [pid 6884] setpgid(0, 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6885] setpgid(0, 0) = 0 [pid 6885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6886 attached [pid 6884] <... setpgid resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6886 [pid 6884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6886] set_robust_list(0x55558c953660, 24) = 0 [pid 6884] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6887 attached [pid 6886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6884] write(3, "1000", 4) = 4 [pid 6887] set_robust_list(0x55558c953660, 24 [pid 6885] <... openat resumed>) = 3 [pid 6887] <... set_robust_list resumed>) = 0 [pid 6884] close(3 [pid 6887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6886] <... prctl resumed>) = 0 [pid 6885] write(3, "1000", 4 [pid 6884] <... close resumed>) = 0 executing program [pid 6887] <... prctl resumed>) = 0 [pid 6886] setpgid(0, 0 [pid 6885] <... write resumed>) = 4 [pid 6884] write(1, "executing program\n", 18 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6887 [pid 6887] setpgid(0, 0 [pid 6886] <... setpgid resumed>) = 0 [pid 6885] close(3 [pid 6884] <... write resumed>) = 18 [pid 6887] <... setpgid resumed>) = 0 [pid 6886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6885] <... close resumed>) = 0 [pid 6884] perf_event_open( [pid 6887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 6885] write(1, "executing program\n", 18 [pid 6886] <... openat resumed>) = 3 [pid 6885] <... write resumed>) = 18 [pid 6885] perf_event_open( [pid 6886] write(3, "1000", 4) = 4 [pid 6886] close(3executing program ) = 0 [pid 6886] write(1, "executing program\n", 18) = 18 [pid 6887] <... openat resumed>) = 3 [pid 6886] perf_event_open( [pid 6887] write(3, "1000", 4) = 4 [pid 6887] close(3) = 0 [pid 6887] write(1, "executing program\n", 18executing program ) = 18 [pid 6887] perf_event_open( [pid 6886] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6887] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6885] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6884] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6883] +++ exited with 0 +++ [pid 6886] perf_event_open( [pid 6884] perf_event_open( [pid 6887] perf_event_open( [pid 6886] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6885] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6884] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6886] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6884] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6887] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6886] <... bpf resumed>) = 5 [pid 6885] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6884] <... bpf resumed>) = 5 [pid 6887] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6885] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6887] <... bpf resumed>) = 5 [pid 6886] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6884] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6887] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6885] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6888 attached [pid 6888] set_robust_list(0x55558c953660, 24 [pid 6887] <... bpf resumed>) = 6 [pid 6886] <... bpf resumed>) = 6 [pid 6885] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6884] <... bpf resumed>) = 6 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6888 [pid 6888] <... set_robust_list resumed>) = 0 [pid 6887] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6886] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 6888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6887] <... bpf resumed>) = 7 [pid 6886] exit_group(0 [pid 6885] <... bpf resumed>) = 6 [pid 6884] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6888] <... prctl resumed>) = 0 [pid 6888] setpgid(0, 0 [pid 6887] exit_group(0 [pid 6886] <... exit_group resumed>) = ? [pid 6884] <... bpf resumed>) = 7 [pid 6888] <... setpgid resumed>) = 0 [pid 6885] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6887] <... exit_group resumed>) = ? [pid 6884] exit_group(0 [pid 6888] <... openat resumed>) = 3 [pid 6884] <... exit_group resumed>) = ? [pid 6888] write(3, "1000", 4) = 4 [pid 6887] +++ exited with 0 +++ [pid 6886] +++ exited with 0 +++ [pid 6885] <... bpf resumed>) = 7 [pid 6884] +++ exited with 0 +++ [pid 6888] close(3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6888] <... close resumed>) = 0 [pid 6885] exit_group(0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6886, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6888] write(1, "executing program\n", 18executing program [pid 6885] <... exit_group resumed>) = ? [pid 6888] <... write resumed>) = 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6889 attached [pid 6888] perf_event_open( [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6890 attached [pid 6889] set_robust_list(0x55558c953660, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6890 [pid 6890] set_robust_list(0x55558c953660, 24 [pid 6889] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6889 [pid 6889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6890] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6891 attached [pid 6889] <... prctl resumed>) = 0 [pid 6889] setpgid(0, 0 [pid 6891] set_robust_list(0x55558c953660, 24 [pid 6890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6889] <... setpgid resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6891 [pid 6889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6890] <... prctl resumed>) = 0 [pid 6889] <... openat resumed>) = 3 [pid 6889] write(3, "1000", 4 [pid 6891] <... set_robust_list resumed>) = 0 [pid 6890] setpgid(0, 0 [pid 6888] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6885] +++ exited with 0 +++ [pid 6890] <... setpgid resumed>) = 0 [pid 6891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6889] <... write resumed>) = 4 [pid 6888] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6885, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6891] <... prctl resumed>) = 0 [pid 6889] close(3 [pid 6888] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6891] setpgid(0, 0 [pid 6889] <... close resumed>) = 0 [pid 6891] <... setpgid resumed>) = 0 [pid 6890] <... openat resumed>) = 3 executing program [pid 6889] write(1, "executing program\n", 18 [pid 6888] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6890] write(3, "1000", 4 [pid 6889] <... write resumed>) = 18 ./strace-static-x86_64: Process 6892 attached [pid 6891] <... openat resumed>) = 3 [pid 6890] <... write resumed>) = 4 [pid 6888] <... bpf resumed>) = 5 [pid 6892] set_robust_list(0x55558c953660, 24 [pid 6891] write(3, "1000", 4 [pid 6890] close(3 [pid 6889] perf_event_open( [pid 6888] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 6892] <... set_robust_list resumed>) = 0 [pid 6891] <... write resumed>) = 4 [pid 6890] <... close resumed>) = 0 [pid 6889] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6892 [pid 6890] write(1, "executing program\n", 18) = 18 [pid 6890] perf_event_open( [pid 6892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6891] close(3 [pid 6890] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6890] perf_event_open( [pid 6892] <... prctl resumed>) = 0 [pid 6891] <... close resumed>) = 0 [pid 6889] perf_event_open( [pid 6888] <... bpf resumed>) = 6 executing program [pid 6891] write(1, "executing program\n", 18) = 18 [pid 6888] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6891] perf_event_open( [pid 6888] <... bpf resumed>) = 7 [pid 6892] setpgid(0, 0 [pid 6891] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6890] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6889] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6892] <... setpgid resumed>) = 0 [pid 6890] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6889] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6892] <... openat resumed>) = 3 [pid 6890] <... bpf resumed>) = 5 [pid 6892] write(3, "1000", 4 [pid 6891] perf_event_open( [pid 6889] <... bpf resumed>) = 5 [pid 6888] exit_group(0 [pid 6892] <... write resumed>) = 4 [pid 6891] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6888] <... exit_group resumed>) = ? [pid 6892] close(3 [pid 6891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6892] <... close resumed>) = 0 [pid 6892] write(1, "executing program\n", 18 [pid 6891] <... bpf resumed>) = 5 [pid 6890] <... bpf resumed>) = 6 executing program [pid 6891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6892] <... write resumed>) = 18 [pid 6890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6888] +++ exited with 0 +++ [pid 6892] perf_event_open( [pid 6889] <... bpf resumed>) = 6 [pid 6889] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6892] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6891] <... bpf resumed>) = 6 [pid 6890] <... bpf resumed>) = 7 [pid 6892] perf_event_open( [pid 6891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6890] exit_group(0 [pid 6889] <... bpf resumed>) = 7 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6888, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6892] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6892] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6891] <... bpf resumed>) = 7 [pid 6890] <... exit_group resumed>) = ? [pid 6892] <... bpf resumed>) = 5 [pid 6891] exit_group(0 [pid 6889] exit_group(0 [pid 6891] <... exit_group resumed>) = ? [pid 6890] +++ exited with 0 +++ [pid 6892] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6889] <... exit_group resumed>) = ? [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6893 attached [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6893 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6893] set_robust_list(0x55558c953660, 24 [pid 6891] +++ exited with 0 +++ [pid 6893] <... set_robust_list resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6889] +++ exited with 0 +++ [pid 6893] <... prctl resumed>) = 0 [pid 6892] <... bpf resumed>) = 6 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6893] setpgid(0, 0 [pid 6892] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6889, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6894 attached [pid 6893] <... setpgid resumed>) = 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6894] set_robust_list(0x55558c953660, 24 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6894 [pid 6894] <... set_robust_list resumed>) = 0 [pid 6893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6892] <... bpf resumed>) = 7 [pid 6894] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6895 attached [pid 6893] <... openat resumed>) = 3 [pid 6892] exit_group(0 [pid 6895] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6895 [pid 6895] <... set_robust_list resumed>) = 0 [pid 6894] <... prctl resumed>) = 0 [pid 6893] write(3, "1000", 4 [pid 6892] <... exit_group resumed>) = ? [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6896 attached [pid 6895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6894] setpgid(0, 0 [pid 6893] <... write resumed>) = 4 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6896 [pid 6896] set_robust_list(0x55558c953660, 24 [pid 6895] <... prctl resumed>) = 0 [pid 6894] <... setpgid resumed>) = 0 [pid 6893] close(3 [pid 6895] setpgid(0, 0executing program executing program executing program [pid 6894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6896] <... set_robust_list resumed>) = 0 [pid 6895] <... setpgid resumed>) = 0 [pid 6893] <... close resumed>) = 0 [pid 6895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6894] <... openat resumed>) = 3 [pid 6896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6895] <... openat resumed>) = 3 [pid 6894] write(3, "1000", 4 [pid 6893] write(1, "executing program\n", 18 [pid 6896] <... prctl resumed>) = 0 [pid 6895] write(3, "1000", 4 [pid 6894] <... write resumed>) = 4 [pid 6893] <... write resumed>) = 18 [pid 6896] setpgid(0, 0 [pid 6894] close(3 [pid 6893] perf_event_open( [pid 6896] <... setpgid resumed>) = 0 [pid 6894] <... close resumed>) = 0 [pid 6896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6895] <... write resumed>) = 4 [pid 6894] write(1, "executing program\n", 18 [pid 6893] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6892] +++ exited with 0 +++ [pid 6895] close(3) = 0 [pid 6894] <... write resumed>) = 18 [pid 6893] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6895] write(1, "executing program\n", 18 [pid 6894] perf_event_open( [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6895] <... write resumed>) = 18 [pid 6893] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6896] <... openat resumed>) = 3 [pid 6895] perf_event_open( [pid 6894] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6896] write(3, "1000", 4 [pid 6895] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6893] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6894] perf_event_open( [pid 6896] <... write resumed>) = 4 [pid 6895] perf_event_open( [pid 6896] close(3 [pid 6895] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6894] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6896] <... close resumed>) = 0 [pid 6895] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program [pid 6896] write(1, "executing program\n", 18 [pid 6894] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6893] <... bpf resumed>) = 5 [pid 6896] <... write resumed>) = 18 [pid 6895] <... bpf resumed>) = 5 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6896] perf_event_open( [pid 6894] <... bpf resumed>) = 5 [pid 6893] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6897 attached [pid 6897] set_robust_list(0x55558c953660, 24 [pid 6895] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6896] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6897] <... set_robust_list resumed>) = 0 [pid 6895] <... bpf resumed>) = 6 [pid 6894] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6893] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6897 [pid 6897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6896] perf_event_open( [pid 6895] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6897] <... prctl resumed>) = 0 [pid 6897] setpgid(0, 0) = 0 [pid 6896] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6896] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6896] <... bpf resumed>) = 5 [pid 6897] write(3, "1000", 4) = 4 [pid 6896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6897] close(3 [pid 6895] <... bpf resumed>) = 7 [pid 6893] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6897] <... close resumed>) = 0 executing program [pid 6894] <... bpf resumed>) = 6 [pid 6897] write(1, "executing program\n", 18 [pid 6895] exit_group(0 [pid 6893] <... bpf resumed>) = 7 [pid 6897] <... write resumed>) = 18 [pid 6897] perf_event_open( [pid 6895] <... exit_group resumed>) = ? [pid 6897] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6896] <... bpf resumed>) = 6 [pid 6894] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6893] exit_group(0 [pid 6897] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6894] <... bpf resumed>) = 7 [pid 6893] <... exit_group resumed>) = ? [pid 6897] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6896] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6894] exit_group(0 [pid 6896] <... bpf resumed>) = 7 [pid 6896] exit_group(0 [pid 6894] <... exit_group resumed>) = ? [pid 6893] +++ exited with 0 +++ [pid 6897] <... bpf resumed>) = 5 [pid 6895] +++ exited with 0 +++ [pid 6896] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6897] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... restart_syscall resumed>) = 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6897] <... bpf resumed>) = 6 [pid 6896] +++ exited with 0 +++ [pid 6894] +++ exited with 0 +++ [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6897] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6898 attached [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6898] set_robust_list(0x55558c953660, 24 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6898] <... set_robust_list resumed>) = 0 [pid 6897] <... bpf resumed>) = 7 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6898 ./strace-static-x86_64: Process 6899 attached [pid 6898] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 6897] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6898] setpgid(0, 0) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6899] set_robust_list(0x55558c953660, 24 [pid 6897] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6899 ./strace-static-x86_64: Process 6900 attached [pid 6898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6900] set_robust_list(0x55558c953660, 24 [pid 6898] write(3, "1000", 4 [pid 6900] <... set_robust_list resumed>) = 0 [pid 6898] <... write resumed>) = 4 [pid 6900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6898] close(3) = 0 [pid 6898] write(1, "executing program\n", 18 [pid 6900] <... prctl resumed>) = 0 [pid 6898] <... write resumed>) = 18 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6900 ./strace-static-x86_64: Process 6901 attached [pid 6900] setpgid(0, 0 [pid 6899] <... set_robust_list resumed>) = 0 [pid 6898] perf_event_open( [pid 6900] <... setpgid resumed>) = 0 [pid 6898] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6898] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6901] set_robust_list(0x55558c953660, 24 [pid 6900] write(3, "1000", 4 [pid 6899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6897] +++ exited with 0 +++ [pid 6901] <... set_robust_list resumed>) = 0 [pid 6900] <... write resumed>) = 4 [pid 6898] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6901 [pid 6901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6900] close(3 [pid 6899] <... prctl resumed>) = 0 [pid 6898] <... bpf resumed>) = 5 [pid 6901] <... prctl resumed>) = 0 [pid 6900] <... close resumed>) = 0 [pid 6899] setpgid(0, 0 [pid 6898] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6901] setpgid(0, 0 [pid 6900] write(1, "executing program\n", 18 executing program [pid 6899] <... setpgid resumed>) = 0 [pid 6901] <... setpgid resumed>) = 0 [pid 6901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6900] <... write resumed>) = 18 [pid 6899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6901] <... openat resumed>) = 3 [pid 6899] <... openat resumed>) = 3 [pid 6901] write(3, "1000", 4) = 4 [pid 6901] close(3) = 0 [pid 6899] write(3, "1000", 4 [pid 6901] write(1, "executing program\n", 18 [pid 6899] <... write resumed>) = 4 executing program [pid 6899] close(3 [pid 6901] <... write resumed>) = 18 [pid 6899] <... close resumed>) = 0 [pid 6901] perf_event_open( [pid 6899] write(1, "executing program\n", 18executing program ) = 18 [pid 6901] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6899] perf_event_open( [pid 6901] perf_event_open( [pid 6900] perf_event_open( [pid 6899] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6898] <... bpf resumed>) = 6 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6901] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6900] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6900] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6901] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6900] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6901] <... bpf resumed>) = 5 [pid 6900] <... bpf resumed>) = 5 [pid 6899] perf_event_open( [pid 6898] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6901] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6902 attached [pid 6899] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6898] <... bpf resumed>) = 7 [pid 6902] set_robust_list(0x55558c953660, 24 [pid 6899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6898] exit_group(0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6902 [pid 6902] <... set_robust_list resumed>) = 0 [pid 6899] <... bpf resumed>) = 5 [pid 6902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6901] <... bpf resumed>) = 6 [pid 6900] <... bpf resumed>) = 6 [pid 6898] <... exit_group resumed>) = ? [pid 6902] <... prctl resumed>) = 0 [pid 6901] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6900] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6902] setpgid(0, 0 [pid 6901] <... bpf resumed>) = 7 [pid 6900] <... bpf resumed>) = 7 [pid 6902] <... setpgid resumed>) = 0 [pid 6901] exit_group(0 [pid 6900] exit_group(0 [pid 6898] +++ exited with 0 +++ [pid 6901] <... exit_group resumed>) = ? [pid 6902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6900] <... exit_group resumed>) = ? [pid 6902] <... openat resumed>) = 3 [pid 6899] <... bpf resumed>) = 6 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6902] write(3, "1000", 4) = 4 [pid 6902] close(3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6902] <... close resumed>) = 0 [pid 6899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6903 attached [pid 6902] write(1, "executing program\n", 18executing program [pid 6903] set_robust_list(0x55558c953660, 24 [pid 6902] <... write resumed>) = 18 [pid 6903] <... set_robust_list resumed>) = 0 [pid 6902] perf_event_open( [pid 6903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6902] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6903 [pid 6903] <... prctl resumed>) = 0 [pid 6902] perf_event_open( [pid 6903] setpgid(0, 0 [pid 6902] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6900] +++ exited with 0 +++ [pid 6903] <... setpgid resumed>) = 0 [pid 6902] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6900, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6899] <... bpf resumed>) = 7 [pid 6903] <... openat resumed>) = 3 [pid 6902] <... bpf resumed>) = 5 [pid 6901] +++ exited with 0 +++ [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6903] write(3, "1000", 4 [pid 6902] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6899] exit_group(0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6903] <... write resumed>) = 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6899] <... exit_group resumed>) = ? [pid 6903] close(3 [pid 6902] <... bpf resumed>) = 6 [pid 6903] <... close resumed>) = 0 [pid 6902] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6899] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6903] write(1, "executing program\n", 18 [pid 6902] <... bpf resumed>) = 7 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6903] <... write resumed>) = 18 ./strace-static-x86_64: Process 6904 attached [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6903] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6903] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6905 attached [pid 6904] set_robust_list(0x55558c953660, 24 [pid 6902] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6904 [pid 6905] set_robust_list(0x55558c953660, 24 [pid 6904] <... set_robust_list resumed>) = 0 [pid 6902] <... exit_group resumed>) = ? [pid 6905] <... set_robust_list resumed>) = 0 [pid 6904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6904] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6906 attached [pid 6906] set_robust_list(0x55558c953660, 24) = 0 [pid 6906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6905] <... prctl resumed>) = 0 [pid 6904] setpgid(0, 0 [pid 6903] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6905 [pid 6906] <... prctl resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6906 [pid 6906] setpgid(0, 0) = 0 [pid 6906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6906] write(3, "1000", 4 [pid 6905] setpgid(0, 0 [pid 6904] <... setpgid resumed>) = 0 [pid 6903] <... bpf resumed>) = 5 [pid 6902] +++ exited with 0 +++ [pid 6906] <... write resumed>) = 4 [pid 6905] <... setpgid resumed>) = 0 [pid 6904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6906] close(3 [pid 6905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6904] <... openat resumed>) = 3 [pid 6903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6902, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- executing program executing program executing program [pid 6906] <... close resumed>) = 0 [pid 6905] <... openat resumed>) = 3 [pid 6904] write(3, "1000", 4 [pid 6905] write(3, "1000", 4 [pid 6904] <... write resumed>) = 4 [pid 6905] <... write resumed>) = 4 [pid 6904] close(3 [pid 6905] close(3 [pid 6904] <... close resumed>) = 0 [pid 6905] <... close resumed>) = 0 [pid 6904] write(1, "executing program\n", 18 [pid 6905] write(1, "executing program\n", 18 [pid 6904] <... write resumed>) = 18 [pid 6906] write(1, "executing program\n", 18 [pid 6905] <... write resumed>) = 18 [pid 6904] perf_event_open( [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6906] <... write resumed>) = 18 [pid 6905] perf_event_open( [pid 6906] perf_event_open(./strace-static-x86_64: Process 6907 attached [pid 6904] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6903] <... bpf resumed>) = 6 [pid 6907] set_robust_list(0x55558c953660, 24 [pid 6906] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6905] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6903] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6907 [pid 6907] <... set_robust_list resumed>) = 0 [pid 6906] perf_event_open( [pid 6905] perf_event_open( [pid 6904] perf_event_open( [pid 6903] <... bpf resumed>) = 7 [pid 6907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6906] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6905] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6904] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6903] exit_group(0 [pid 6905] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6907] <... prctl resumed>) = 0 [pid 6906] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6904] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6903] <... exit_group resumed>) = ? [pid 6907] setpgid(0, 0 [pid 6906] <... bpf resumed>) = 5 [pid 6905] <... bpf resumed>) = 5 [pid 6904] <... bpf resumed>) = 5 [pid 6904] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6907] <... setpgid resumed>) = 0 [pid 6906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6904] <... bpf resumed>) = 6 [pid 6903] +++ exited with 0 +++ [pid 6907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6907] <... openat resumed>) = 3 [pid 6906] <... bpf resumed>) = 6 [pid 6904] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6908 attached [pid 6907] write(3, "1000", 4 [pid 6906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6905] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6908 [pid 6908] set_robust_list(0x55558c953660, 24 [pid 6904] <... bpf resumed>) = 7 [pid 6906] <... bpf resumed>) = 7 [pid 6908] <... set_robust_list resumed>) = 0 [pid 6907] <... write resumed>) = 4 [pid 6905] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6907] close(3 [pid 6906] exit_group(0 [pid 6904] exit_group(0) = ? [pid 6908] <... prctl resumed>) = 0 [pid 6908] setpgid(0, 0 [pid 6907] <... close resumed>) = 0 [pid 6906] <... exit_group resumed>) = ? [pid 6905] <... bpf resumed>) = 7 [pid 6904] +++ exited with 0 +++ [pid 6908] <... setpgid resumed>) = 0 [pid 6907] write(1, "executing program\n", 18 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6907] <... write resumed>) = 18 [pid 6905] exit_group(0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6908] <... openat resumed>) = 3 [pid 6907] perf_event_open( [pid 6906] +++ exited with 0 +++ [pid 6905] <... exit_group resumed>) = ? [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6906, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6909 attached [pid 6908] write(3, "1000", 4 [pid 6907] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6909] set_robust_list(0x55558c953660, 24 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6910 attached [pid 6909] <... set_robust_list resumed>) = 0 [pid 6908] <... write resumed>) = 4 [pid 6907] perf_event_open( [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6909 [pid 6910] set_robust_list(0x55558c953660, 24 [pid 6909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6908] close(3 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6910 [pid 6910] <... set_robust_list resumed>) = 0 [pid 6908] <... close resumed>) = 0 executing program [pid 6910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6908] write(1, "executing program\n", 18 [pid 6909] <... prctl resumed>) = 0 [pid 6910] <... prctl resumed>) = 0 [pid 6908] <... write resumed>) = 18 [pid 6910] setpgid(0, 0 [pid 6909] setpgid(0, 0 [pid 6910] <... setpgid resumed>) = 0 [pid 6909] <... setpgid resumed>) = 0 [pid 6908] perf_event_open( [pid 6910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6910] write(3, "1000", 4 [pid 6909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6908] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6907] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6905] +++ exited with 0 +++ [pid 6910] <... write resumed>) = 4 [pid 6908] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6910] close(3 [pid 6909] <... openat resumed>) = 3 [pid 6907] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6910] <... close resumed>) = 0 [pid 6909] write(3, "1000", 4 [pid 6908] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6907] <... bpf resumed>) = 5 [pid 6910] write(1, "executing program\n", 18executing program [pid 6907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6909] <... write resumed>) = 4 [pid 6910] <... write resumed>) = 18 [pid 6908] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6909] close(3 [pid 6910] perf_event_open( [pid 6909] <... close resumed>) = 0 [pid 6908] <... bpf resumed>) = 5 executing program [pid 6909] write(1, "executing program\n", 18) = 18 [pid 6910] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6909] perf_event_open( [pid 6908] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6907] <... bpf resumed>) = 6 [pid 6909] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6910] perf_event_open( [pid 6909] perf_event_open( [pid 6907] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6910] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6909] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6907] <... bpf resumed>) = 7 [pid 6910] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6909] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6908] <... bpf resumed>) = 6 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6910] <... bpf resumed>) = 5 [pid 6909] <... bpf resumed>) = 5 [pid 6908] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6907] exit_group(0./strace-static-x86_64: Process 6911 attached [pid 6909] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6911] set_robust_list(0x55558c953660, 24 [pid 6910] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6908] <... bpf resumed>) = 7 [pid 6907] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6911 [pid 6911] <... set_robust_list resumed>) = 0 [pid 6910] <... bpf resumed>) = 6 [pid 6909] <... bpf resumed>) = 6 [pid 6908] exit_group(0 [pid 6911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6909] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6911] setpgid(0, 0 [pid 6909] <... bpf resumed>) = 7 [pid 6908] <... exit_group resumed>) = ? [pid 6911] <... setpgid resumed>) = 0 [pid 6911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6910] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6909] exit_group(0 [pid 6910] <... bpf resumed>) = 7 [pid 6911] <... openat resumed>) = 3 [pid 6910] exit_group(0 [pid 6909] <... exit_group resumed>) = ? [pid 6908] +++ exited with 0 +++ [pid 6907] +++ exited with 0 +++ [pid 6910] <... exit_group resumed>) = ? [pid 6911] write(3, "1000", 4 [pid 6909] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6907, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6911] <... write resumed>) = 4 [pid 6911] close(3 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6909, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6911] <... close resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6911] write(1, "executing program\n", 18executing program [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6914 attached ./strace-static-x86_64: Process 6913 attached ./strace-static-x86_64: Process 6912 attached [pid 6911] <... write resumed>) = 18 [pid 6914] set_robust_list(0x55558c953660, 24 [pid 6911] perf_event_open( [pid 6914] <... set_robust_list resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6914 [pid 6912] set_robust_list(0x55558c953660, 24 [pid 6914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6914] setpgid(0, 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6913 [pid 6913] set_robust_list(0x55558c953660, 24 [pid 6912] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6912 [pid 6914] <... setpgid resumed>) = 0 [pid 6913] <... set_robust_list resumed>) = 0 [pid 6912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6912] <... prctl resumed>) = 0 [pid 6913] <... prctl resumed>) = 0 [pid 6912] setpgid(0, 0 [pid 6914] <... openat resumed>) = 3 [pid 6913] setpgid(0, 0 [pid 6912] <... setpgid resumed>) = 0 [pid 6914] write(3, "1000", 4 [pid 6911] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6910] +++ exited with 0 +++ [pid 6914] <... write resumed>) = 4 [pid 6913] <... setpgid resumed>) = 0 [pid 6912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6911] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6910, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6914] close(3 [pid 6913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6911] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 6912] <... openat resumed>) = 3 [pid 6914] <... close resumed>) = 0 [pid 6914] write(1, "executing program\n", 18) = 18 [pid 6913] <... openat resumed>) = 3 [pid 6911] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6914] perf_event_open( [pid 6913] write(3, "1000", 4 [pid 6912] write(3, "1000", 4 [pid 6914] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6913] <... write resumed>) = 4 [pid 6912] <... write resumed>) = 4 [pid 6911] <... bpf resumed>) = 5 [pid 6911] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6914] perf_event_open( [pid 6913] close(3 [pid 6912] close(3 [pid 6914] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6913] <... close resumed>) = 0 [pid 6912] <... close resumed>) = 0 [pid 6914] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6913] write(1, "executing program\n", 18executing program executing program [pid 6912] write(1, "executing program\n", 18 [pid 6913] <... write resumed>) = 18 [pid 6912] <... write resumed>) = 18 [pid 6911] <... bpf resumed>) = 6 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6914] <... bpf resumed>) = 5 [pid 6913] perf_event_open( [pid 6912] perf_event_open(./strace-static-x86_64: Process 6915 attached [pid 6914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6911] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6915] set_robust_list(0x55558c953660, 24 [pid 6913] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6912] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6915] <... set_robust_list resumed>) = 0 [pid 6913] perf_event_open( [pid 6912] perf_event_open( [pid 6911] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6915 [pid 6915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6914] <... bpf resumed>) = 6 [pid 6913] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6912] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6911] exit_group(0 [pid 6915] <... prctl resumed>) = 0 [pid 6912] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6915] setpgid(0, 0 [pid 6914] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6913] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6912] <... bpf resumed>) = 5 [pid 6911] <... exit_group resumed>) = ? [pid 6915] <... setpgid resumed>) = 0 [pid 6913] <... bpf resumed>) = 5 [pid 6915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6914] <... bpf resumed>) = 7 [pid 6914] exit_group(0 [pid 6912] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6915] <... openat resumed>) = 3 [pid 6913] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6914] <... exit_group resumed>) = ? [pid 6914] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6915] write(3, "1000", 4 [pid 6912] <... bpf resumed>) = 6 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6911] +++ exited with 0 +++ [pid 6915] <... write resumed>) = 4 [pid 6915] close(3 [pid 6912] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6915] <... close resumed>) = 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6915] write(1, "executing program\n", 18 [pid 6913] <... bpf resumed>) = 6 [pid 6912] <... bpf resumed>) = 7 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6915] <... write resumed>) = 18 [pid 6915] perf_event_open( [pid 6913] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6915] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6913] <... bpf resumed>) = 7 [pid 6912] exit_group(0./strace-static-x86_64: Process 6916 attached [pid 6915] perf_event_open( [pid 6913] exit_group(0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6916 [pid 6916] set_robust_list(0x55558c953660, 24 [pid 6915] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6912] <... exit_group resumed>) = ? [pid 6916] <... set_robust_list resumed>) = 0 [pid 6913] <... exit_group resumed>) = ? [pid 6916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6915] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6913] +++ exited with 0 +++ [pid 6912] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 6916] setpgid(0, 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6913, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6916] <... setpgid resumed>) = 0 [pid 6916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6915] <... bpf resumed>) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6916] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6917 attached [pid 6915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6917] set_robust_list(0x55558c953660, 24) = 0 [pid 6916] write(3, "1000", 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6917] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6918 attached [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6917 [pid 6916] <... write resumed>) = 4 [pid 6918] set_robust_list(0x55558c953660, 24 [pid 6917] <... prctl resumed>) = 0 [pid 6916] close(3 [pid 6918] <... set_robust_list resumed>) = 0 [pid 6916] <... close resumed>) = 0 [pid 6917] setpgid(0, 0executing program ./strace-static-x86_64: Process 6919 attached [pid 6918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6917] <... setpgid resumed>) = 0 [pid 6916] write(1, "executing program\n", 18 [pid 6919] set_robust_list(0x55558c953660, 24 [pid 6918] <... prctl resumed>) = 0 [pid 6917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6915] <... bpf resumed>) = 6 [pid 6919] <... set_robust_list resumed>) = 0 [pid 6918] setpgid(0, 0 [pid 6917] <... openat resumed>) = 3 [pid 6916] <... write resumed>) = 18 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6918 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6919 [pid 6917] write(3, "1000", 4 [pid 6916] perf_event_open( [pid 6915] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6918] <... setpgid resumed>) = 0 [pid 6917] <... write resumed>) = 4 [pid 6918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6917] close(3 [pid 6916] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6915] <... bpf resumed>) = 7 [pid 6919] <... prctl resumed>) = 0 [pid 6917] <... close resumed>) = 0 [pid 6916] perf_event_open( [pid 6919] setpgid(0, 0 [pid 6918] <... openat resumed>) = 3 [pid 6917] write(1, "executing program\n", 18 [pid 6918] write(3, "1000", 4executing program [pid 6919] <... setpgid resumed>) = 0 [pid 6918] <... write resumed>) = 4 [pid 6917] <... write resumed>) = 18 [pid 6916] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6915] exit_group(0 [pid 6919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6918] close(3 [pid 6917] perf_event_open( [pid 6918] <... close resumed>) = 0 [pid 6916] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6915] <... exit_group resumed>) = ? [pid 6919] <... openat resumed>) = 3 executing program [pid 6918] write(1, "executing program\n", 18 [pid 6917] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6919] write(3, "1000", 4 [pid 6918] <... write resumed>) = 18 [pid 6917] perf_event_open( [pid 6916] <... bpf resumed>) = 5 [pid 6919] <... write resumed>) = 4 executing program [pid 6918] perf_event_open( [pid 6917] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6916] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6915] +++ exited with 0 +++ [pid 6919] close(3 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6915, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6919] <... close resumed>) = 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6919] write(1, "executing program\n", 18) = 18 [pid 6918] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6917] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6918] perf_event_open( [pid 6917] <... bpf resumed>) = 5 [pid 6916] <... bpf resumed>) = 6 [pid 6919] perf_event_open( [pid 6918] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6917] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6919] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6918] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6916] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6919] perf_event_open( [pid 6916] <... bpf resumed>) = 7 [pid 6919] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... restart_syscall resumed>) = 0 [pid 6918] <... bpf resumed>) = 5 [pid 6919] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6916] exit_group(0 [pid 6918] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6919] <... bpf resumed>) = 5 [pid 6916] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6920 attached [pid 6919] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6916] +++ exited with 0 +++ [pid 6920] set_robust_list(0x55558c953660, 24 [pid 6919] <... bpf resumed>) = 6 [pid 6917] <... bpf resumed>) = 6 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6920 [pid 6920] <... set_robust_list resumed>) = 0 [pid 6920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6920] setpgid(0, 0 [pid 6917] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6918] <... bpf resumed>) = 6 [pid 6920] <... setpgid resumed>) = 0 [pid 6919] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6918] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6920] <... openat resumed>) = 3 [pid 6920] write(3, "1000", 4) = 4 [pid 6920] close(3) = 0 [pid 6920] write(1, "executing program\n", 18) = 18 [pid 6920] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 6921 attached [pid 6919] <... bpf resumed>) = 7 [pid 6918] <... bpf resumed>) = 7 [pid 6917] <... bpf resumed>) = 7 [pid 6921] set_robust_list(0x55558c953660, 24 [pid 6920] perf_event_open( [pid 6919] exit_group(0 [pid 6918] exit_group(0) = ? [pid 6917] exit_group(0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6921 [pid 6920] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6921] <... set_robust_list resumed>) = 0 [pid 6920] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6919] <... exit_group resumed>) = ? [pid 6917] <... exit_group resumed>) = ? [pid 6921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6920] <... bpf resumed>) = 5 [pid 6918] +++ exited with 0 +++ [pid 6920] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6921] <... prctl resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6919] +++ exited with 0 +++ ./strace-static-x86_64: Process 6922 attached [pid 6921] setpgid(0, 0 [pid 6917] +++ exited with 0 +++ [pid 6922] set_robust_list(0x55558c953660, 24 [pid 6921] <... setpgid resumed>) = 0 [pid 6920] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6922 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6922] <... set_robust_list resumed>) = 0 [pid 6921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6917, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6922] <... prctl resumed>) = 0 [pid 6920] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6922] setpgid(0, 0 [pid 6921] <... openat resumed>) = 3 [pid 6922] <... setpgid resumed>) = 0 [pid 6921] write(3, "1000", 4 [pid 6920] <... bpf resumed>) = 7 [pid 6922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6921] <... write resumed>) = 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6923 attached [pid 6922] <... openat resumed>) = 3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6923] set_robust_list(0x55558c953660, 24 [pid 6922] write(3, "1000", 4 [pid 6921] close(3 [pid 6920] exit_group(0./strace-static-x86_64: Process 6924 attached [pid 6923] <... set_robust_list resumed>) = 0 [pid 6921] <... close resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6923 [pid 6922] <... write resumed>) = 4 [pid 6921] write(1, "executing program\n", 18executing program [pid 6924] set_robust_list(0x55558c953660, 24 [pid 6921] <... write resumed>) = 18 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6924 [pid 6924] <... set_robust_list resumed>) = 0 [pid 6921] perf_event_open( [pid 6923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6920] <... exit_group resumed>) = ? [pid 6924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6923] <... prctl resumed>) = 0 [pid 6922] close(3 [pid 6921] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6924] <... prctl resumed>) = 0 [pid 6922] <... close resumed>) = 0 [pid 6924] setpgid(0, 0 [pid 6922] write(1, "executing program\n", 18executing program [pid 6924] <... setpgid resumed>) = 0 [pid 6922] <... write resumed>) = 18 [pid 6924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6922] perf_event_open( [pid 6923] setpgid(0, 0) = 0 [pid 6921] perf_event_open( [pid 6924] <... openat resumed>) = 3 [pid 6922] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6921] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6922] perf_event_open( [pid 6924] write(3, "1000", 4 [pid 6923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6922] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6924] <... write resumed>) = 4 [pid 6921] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6924] close(3 [pid 6923] <... openat resumed>) = 3 [pid 6922] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6921] <... bpf resumed>) = 5 [pid 6924] <... close resumed>) = 0 [pid 6923] write(3, "1000", 4 [pid 6922] <... bpf resumed>) = 5 [pid 6920] +++ exited with 0 +++ [pid 6921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6924] write(1, "executing program\n", 18 [pid 6923] <... write resumed>) = 4 [pid 6922] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6920, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6924] <... write resumed>) = 18 [pid 6924] perf_event_open(executing program {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6923] close(3 [pid 6921] <... bpf resumed>) = 6 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6924] perf_event_open( [pid 6923] <... close resumed>) = 0 executing program [pid 5875] <... restart_syscall resumed>) = 0 [pid 6924] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6923] write(1, "executing program\n", 18 [pid 6921] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6924] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6923] <... write resumed>) = 18 [pid 6922] <... bpf resumed>) = 6 [pid 6924] <... bpf resumed>) = 5 [pid 6923] perf_event_open( [pid 6921] <... bpf resumed>) = 7 [pid 6924] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6923] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6922] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6923] perf_event_open( [pid 6921] exit_group(0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6923] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6923] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6925 attached ) = 5 [pid 6923] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6925] set_robust_list(0x55558c953660, 24 [pid 6924] <... bpf resumed>) = 6 [pid 6922] <... bpf resumed>) = 7 [pid 6921] <... exit_group resumed>) = ? [pid 6925] <... set_robust_list resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6925 [pid 6922] exit_group(0 [pid 6923] <... bpf resumed>) = 6 [pid 6922] <... exit_group resumed>) = ? [pid 6925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6924] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6923] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6922] +++ exited with 0 +++ [pid 6921] +++ exited with 0 +++ [pid 6925] setpgid(0, 0) = 0 [pid 6925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6924] <... bpf resumed>) = 7 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6923] <... bpf resumed>) = 7 [pid 6925] <... openat resumed>) = 3 [pid 6924] exit_group(0 [pid 6925] write(3, "1000", 4executing program [pid 6923] exit_group(0 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6922, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6924] <... exit_group resumed>) = ? [pid 6925] <... write resumed>) = 4 [pid 6925] close(3) = 0 [pid 6925] write(1, "executing program\n", 18) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6926 attached [pid 6925] perf_event_open( [pid 6924] +++ exited with 0 +++ [pid 6923] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6927 attached [pid 6926] set_robust_list(0x55558c953660, 24 [pid 6925] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6926 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6927] set_robust_list(0x55558c953660, 24 [pid 6926] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6927 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6927] <... set_robust_list resumed>) = 0 [pid 6926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6925] perf_event_open( [pid 6927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6926] <... prctl resumed>) = 0 [pid 6925] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6923] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 6927] <... prctl resumed>) = 0 [pid 6926] setpgid(0, 0 [pid 6927] setpgid(0, 0 [pid 6926] <... setpgid resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6927] <... setpgid resumed>) = 0 [pid 6926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6925] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6926] <... openat resumed>) = 3 [pid 6925] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program executing program [pid 6927] <... openat resumed>) = 3 [pid 6926] write(3, "1000", 4 [pid 6925] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6927] write(3, "1000", 4 [pid 6926] <... write resumed>) = 4 [pid 6927] <... write resumed>) = 4 [pid 6926] close(3 [pid 6927] close(3 [pid 6926] <... close resumed>) = 0 [pid 6927] <... close resumed>) = 0 [pid 6926] write(1, "executing program\n", 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6928 attached [pid 6927] write(1, "executing program\n", 18 [pid 6926] <... write resumed>) = 18 [pid 6928] set_robust_list(0x55558c953660, 24 [pid 6927] <... write resumed>) = 18 [pid 6926] perf_event_open( [pid 6927] perf_event_open(./strace-static-x86_64: Process 6929 attached [pid 6928] <... set_robust_list resumed>) = 0 [pid 6927] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6926] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6925] <... bpf resumed>) = 6 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6928 [pid 6928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6929 [pid 6929] set_robust_list(0x55558c953660, 24 [pid 6927] perf_event_open( [pid 6928] <... prctl resumed>) = 0 [pid 6925] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6926] perf_event_open( [pid 6929] <... set_robust_list resumed>) = 0 [pid 6927] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6926] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6928] setpgid(0, 0 [pid 6929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6928] <... setpgid resumed>) = 0 [pid 6927] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6925] <... bpf resumed>) = 7 [pid 6926] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6929] <... prctl resumed>) = 0 [pid 6928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6927] <... bpf resumed>) = 5 [pid 6926] <... bpf resumed>) = 5 [pid 6925] exit_group(0) = ? [pid 6929] setpgid(0, 0 [pid 6928] <... openat resumed>) = 3 [pid 6927] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6926] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6929] <... setpgid resumed>) = 0 executing program executing program [pid 6928] write(3, "1000", 4 [pid 6929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6928] <... write resumed>) = 4 [pid 6929] <... openat resumed>) = 3 [pid 6928] close(3 [pid 6929] write(3, "1000", 4 [pid 6928] <... close resumed>) = 0 [pid 6929] <... write resumed>) = 4 [pid 6928] write(1, "executing program\n", 18 [pid 6929] close(3 [pid 6928] <... write resumed>) = 18 [pid 6929] <... close resumed>) = 0 [pid 6928] perf_event_open( [pid 6929] write(1, "executing program\n", 18 [pid 6928] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6929] <... write resumed>) = 18 [pid 6928] perf_event_open( [pid 6929] perf_event_open( [pid 6928] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6926] <... bpf resumed>) = 6 [pid 6929] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6928] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6929] perf_event_open( [pid 6928] <... bpf resumed>) = 5 [pid 6929] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6929] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6928] <... bpf resumed>) = 6 [pid 6927] <... bpf resumed>) = 6 [pid 6925] +++ exited with 0 +++ [pid 6929] <... bpf resumed>) = 5 [pid 6926] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6927] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6928] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6927] <... bpf resumed>) = 7 [pid 6926] <... bpf resumed>) = 7 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6925, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6927] exit_group(0 [pid 6929] <... bpf resumed>) = 6 [pid 6928] <... bpf resumed>) = 7 [pid 6926] exit_group(0 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6929] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6927] <... exit_group resumed>) = ? [pid 6926] <... exit_group resumed>) = ? [pid 5875] <... restart_syscall resumed>) = 0 [pid 6928] exit_group(0 [pid 6929] <... bpf resumed>) = 7 [pid 6928] <... exit_group resumed>) = ? [pid 6928] +++ exited with 0 +++ [pid 6926] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6929] exit_group(0./strace-static-x86_64: Process 6930 attached ) = ? [pid 6927] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6930] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6930 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6927, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5872] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6930] <... set_robust_list resumed>) = 0 [pid 6930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6930] <... prctl resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6931 attached [pid 6930] setpgid(0, 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6932 attached ./strace-static-x86_64: Process 6933 attached [pid 6931] set_robust_list(0x55558c953660, 24 [pid 6930] <... setpgid resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6931 [pid 6932] set_robust_list(0x55558c953660, 24 [pid 6931] <... set_robust_list resumed>) = 0 [pid 6933] set_robust_list(0x55558c953660, 24 [pid 6930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6932 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6933 [pid 6932] <... set_robust_list resumed>) = 0 [pid 6931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6930] <... openat resumed>) = 3 [pid 6931] <... prctl resumed>) = 0 [pid 6931] setpgid(0, 0 [pid 6933] <... set_robust_list resumed>) = 0 [pid 6932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6930] write(3, "1000", 4 [pid 6932] <... prctl resumed>) = 0 [pid 6933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6932] setpgid(0, 0 [pid 6931] <... setpgid resumed>) = 0 [pid 6930] <... write resumed>) = 4 [pid 6932] <... setpgid resumed>) = 0 [pid 6931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6933] <... prctl resumed>) = 0 [pid 6931] <... openat resumed>) = 3 [pid 6932] <... openat resumed>) = 3 [pid 6930] close(3 [pid 6933] setpgid(0, 0 [pid 6932] write(3, "1000", 4) = 4 [pid 6930] <... close resumed>) = 0 executing program [pid 6933] <... setpgid resumed>) = 0 [pid 6932] close(3 [pid 6930] write(1, "executing program\n", 18 [pid 6933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6931] write(3, "1000", 4 [pid 6930] <... write resumed>) = 18 [pid 6930] perf_event_open( [pid 6931] <... write resumed>) = 4 [pid 6932] <... close resumed>) = 0 [pid 6933] <... openat resumed>) = 3 [pid 6932] write(1, "executing program\n", 18executing program [pid 6931] close(3executing program [pid 6933] write(3, "1000", 4 [pid 6932] <... write resumed>) = 18 [pid 6931] <... close resumed>) = 0 [pid 6933] <... write resumed>) = 4 [pid 6931] write(1, "executing program\n", 18 [pid 6933] close(3 [pid 6932] perf_event_open( [pid 6933] <... close resumed>) = 0 [pid 6931] <... write resumed>) = 18 executing program [pid 6933] write(1, "executing program\n", 18 [pid 6931] perf_event_open( [pid 6933] <... write resumed>) = 18 [pid 6933] perf_event_open( [pid 6929] +++ exited with 0 +++ [pid 6930] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6932] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6931] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6930] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6929, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6932] perf_event_open( [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6931] perf_event_open( [pid 6933] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6932] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6931] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6933] perf_event_open( [pid 6930] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6933] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6931] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6932] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6930] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6932] <... bpf resumed>) = 5 [pid 6930] <... bpf resumed>) = 5 [pid 6933] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6932] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6931] <... bpf resumed>) = 5 [pid 6930] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6933] <... bpf resumed>) = 5 [pid 6931] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6934 attached [pid 6933] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6932] <... bpf resumed>) = 6 [pid 6931] <... bpf resumed>) = 6 [pid 6930] <... bpf resumed>) = 6 [pid 6934] set_robust_list(0x55558c953660, 24 [pid 6933] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6934 [pid 6934] <... set_robust_list resumed>) = 0 [pid 6932] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6931] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6930] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6933] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6932] <... bpf resumed>) = 7 [pid 6931] <... bpf resumed>) = 7 [pid 6934] setpgid(0, 0 [pid 6933] <... bpf resumed>) = 7 [pid 6930] <... bpf resumed>) = 7 [pid 6934] <... setpgid resumed>) = 0 [pid 6932] exit_group(0 [pid 6931] exit_group(0 [pid 6930] exit_group(0 [pid 6932] <... exit_group resumed>) = ? [pid 6934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6933] exit_group(0 [pid 6931] <... exit_group resumed>) = ? [pid 6930] <... exit_group resumed>) = ? [pid 6934] <... openat resumed>) = 3 [pid 6933] <... exit_group resumed>) = ? [pid 6932] +++ exited with 0 +++ [pid 6934] write(3, "1000", 4 [pid 6931] +++ exited with 0 +++ [pid 6934] <... write resumed>) = 4 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6934] close(3 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6934] <... close resumed>) = 0 [pid 6930] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 executing program [pid 6934] write(1, "executing program\n", 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6934] <... write resumed>) = 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6934] perf_event_open( [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6936 attached ./strace-static-x86_64: Process 6935 attached [pid 5875] <... restart_syscall resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6935 [pid 6935] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6936 [pid 6935] <... set_robust_list resumed>) = 0 [pid 6936] set_robust_list(0x55558c953660, 24 [pid 6935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6936] <... set_robust_list resumed>) = 0 [pid 6936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6935] setpgid(0, 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6936] <... prctl resumed>) = 0 [pid 6936] setpgid(0, 0./strace-static-x86_64: Process 6937 attached [pid 6935] <... setpgid resumed>) = 0 [pid 6937] set_robust_list(0x55558c953660, 24 [pid 6936] <... setpgid resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6937 [pid 6937] <... set_robust_list resumed>) = 0 [pid 6936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6935] <... openat resumed>) = 3 [pid 6937] <... prctl resumed>) = 0 [pid 6937] setpgid(0, 0 [pid 6936] <... openat resumed>) = 3 [pid 6935] write(3, "1000", 4 [pid 6937] <... setpgid resumed>) = 0 [pid 6935] <... write resumed>) = 4 [pid 6936] write(3, "1000", 4 [pid 6935] close(3 [pid 6937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6936] <... write resumed>) = 4 [pid 6935] <... close resumed>) = 0 [pid 6936] close(3executing program executing program ) = 0 [pid 6935] write(1, "executing program\n", 18 [pid 6936] write(1, "executing program\n", 18 [pid 6935] <... write resumed>) = 18 [pid 6937] <... openat resumed>) = 3 [pid 6936] <... write resumed>) = 18 [pid 6935] perf_event_open( [pid 6937] write(3, "1000", 4) = 4 [pid 6937] close(3) = 0 [pid 6936] perf_event_open(executing program [pid 6935] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6934] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6933] +++ exited with 0 +++ [pid 6937] write(1, "executing program\n", 18 [pid 6935] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6935] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6937] <... write resumed>) = 18 [pid 6936] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6934] perf_event_open( [pid 5867] <... restart_syscall resumed>) = 0 [pid 6937] perf_event_open( [pid 6936] perf_event_open( [pid 6935] <... bpf resumed>) = 5 [pid 6934] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6937] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6936] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6935] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6934] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6937] perf_event_open( [pid 6936] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6934] <... bpf resumed>) = 5 [pid 6937] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6935] <... bpf resumed>) = 6 [pid 6934] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6937] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6936] <... bpf resumed>) = 5 [pid 6935] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6937] <... bpf resumed>) = 5 [pid 6936] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6934] <... bpf resumed>) = 6 [pid 6937] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6934] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6938 attached [pid 6937] <... bpf resumed>) = 6 [pid 6936] <... bpf resumed>) = 6 [pid 6935] <... bpf resumed>) = 7 [pid 6938] set_robust_list(0x55558c953660, 24 [pid 6937] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6936] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6934] <... bpf resumed>) = 7 [pid 6938] <... set_robust_list resumed>) = 0 [pid 6935] exit_group(0 [pid 6934] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6938 [pid 6938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6937] <... bpf resumed>) = 7 [pid 6936] <... bpf resumed>) = 7 [pid 6934] <... exit_group resumed>) = ? [pid 6935] <... exit_group resumed>) = ? [pid 6938] <... prctl resumed>) = 0 [pid 6938] setpgid(0, 0) = 0 [pid 6938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6937] exit_group(0 [pid 6936] exit_group(0 [pid 6935] +++ exited with 0 +++ [pid 6934] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6934, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6937] <... exit_group resumed>) = ? [pid 6936] <... exit_group resumed>) = ? [pid 6938] <... openat resumed>) = 3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6938] write(3, "1000", 4) = 4 [pid 6938] close(3) = 0 executing program [pid 6938] write(1, "executing program\n", 18) = 18 [pid 6938] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6938] perf_event_open(./strace-static-x86_64: Process 6939 attached [pid 6937] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6939 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6939] set_robust_list(0x55558c953660, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6937, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6939] <... set_robust_list resumed>) = 0 [pid 6939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6938] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6936] +++ exited with 0 +++ [pid 6939] setpgid(0, 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6939] <... setpgid resumed>) = 0 [pid 6938] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 6938] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6940 attached ) = 3 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6940 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6940] set_robust_list(0x55558c953660, 24 [pid 6939] write(3, "1000", 4 [pid 6938] <... bpf resumed>) = 6 [pid 6940] <... set_robust_list resumed>) = 0 [pid 6938] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6941 attached [pid 6940] setpgid(0, 0 [pid 6939] <... write resumed>) = 4 [pid 6938] <... bpf resumed>) = 7 [pid 6940] <... setpgid resumed>) = 0 [pid 6940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6939] close(3 [pid 6938] exit_group(0 [pid 5872] <... restart_syscall resumed>) = 0 [pid 6939] <... close resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6941 executing program [pid 6939] write(1, "executing program\n", 18) = 18 [pid 6938] <... exit_group resumed>) = ? [pid 6939] perf_event_open( [pid 6941] set_robust_list(0x55558c953660, 24 [pid 6940] <... openat resumed>) = 3 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6942 attached [pid 6941] <... set_robust_list resumed>) = 0 [pid 6940] write(3, "1000", 4 [pid 6939] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6940] <... write resumed>) = 4 executing program [pid 6940] close(3) = 0 [pid 6940] write(1, "executing program\n", 18 [pid 6942] set_robust_list(0x55558c953660, 24 [pid 6940] <... write resumed>) = 18 [pid 6942] <... set_robust_list resumed>) = 0 [pid 6940] perf_event_open( [pid 6942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6941] <... prctl resumed>) = 0 [pid 6939] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6942 [pid 6942] <... prctl resumed>) = 0 [pid 6941] setpgid(0, 0 [pid 6940] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6939] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6938] +++ exited with 0 +++ [pid 6942] setpgid(0, 0 [pid 6941] <... setpgid resumed>) = 0 [pid 6940] perf_event_open( [pid 6939] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6942] <... setpgid resumed>) = 0 [pid 6941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6940] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6939] <... bpf resumed>) = 5 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6941] <... openat resumed>) = 3 [pid 6940] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6942] <... openat resumed>) = 3 [pid 6941] write(3, "1000", 4 [pid 6940] <... bpf resumed>) = 5 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6941] <... write resumed>) = 4 [pid 6941] close(3 [pid 6942] write(3, "1000", 4 [pid 6941] <... close resumed>) = 0 [pid 6940] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6942] <... write resumed>) = 4 [pid 6941] write(1, "executing program\n", 18 [pid 6939] <... bpf resumed>) = 6 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6942] close(3executing program [pid 6941] <... write resumed>) = 18 [pid 6941] perf_event_open( [pid 6939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6943 attached [pid 6942] <... close resumed>) = 0 [pid 6943] set_robust_list(0x55558c953660, 24 [pid 6942] write(1, "executing program\n", 18executing program [pid 6941] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6939] <... bpf resumed>) = 7 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6943 [pid 6943] <... set_robust_list resumed>) = 0 [pid 6942] <... write resumed>) = 18 [pid 6940] <... bpf resumed>) = 6 [pid 6942] perf_event_open( [pid 6941] perf_event_open( [pid 6940] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6939] exit_group(0 [pid 6942] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6941] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6939] <... exit_group resumed>) = ? [pid 6943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6942] perf_event_open( [pid 6941] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6940] <... bpf resumed>) = 7 [pid 6943] <... prctl resumed>) = 0 [pid 6942] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6943] setpgid(0, 0 [pid 6942] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6941] <... bpf resumed>) = 5 [pid 6940] exit_group(0 [pid 6943] <... setpgid resumed>) = 0 [pid 6939] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6939, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6941] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6942] <... bpf resumed>) = 5 [pid 6943] <... openat resumed>) = 3 [pid 6940] <... exit_group resumed>) = ? [pid 6943] write(3, "1000", 4 [pid 6942] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6941] <... bpf resumed>) = 6 [pid 6940] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 6943] <... write resumed>) = 4 [pid 6941] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6943] close(3) = 0 executing program [pid 6941] <... bpf resumed>) = 7 [pid 6943] write(1, "executing program\n", 18) = 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6943] perf_event_open( [pid 6941] exit_group(0 [pid 6943] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6943] perf_event_open(./strace-static-x86_64: Process 6944 attached [pid 6942] <... bpf resumed>) = 6 [pid 6941] <... exit_group resumed>) = ? [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6943] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6942] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 ./strace-static-x86_64: Process 6945 attached [pid 6944] set_robust_list(0x55558c953660, 24 [pid 6943] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6941] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6944 [pid 6945] set_robust_list(0x55558c953660, 24 [pid 6944] <... set_robust_list resumed>) = 0 [pid 6943] <... bpf resumed>) = 5 [pid 6942] exit_group(0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6941, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6945] <... set_robust_list resumed>) = 0 [pid 6944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6943] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6944] <... prctl resumed>) = 0 [pid 6942] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6945 [pid 6945] <... prctl resumed>) = 0 [pid 6944] setpgid(0, 0 [pid 6943] <... bpf resumed>) = 6 [pid 6944] <... setpgid resumed>) = 0 [pid 6945] setpgid(0, 0 [pid 6944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6945] <... setpgid resumed>) = 0 [pid 6943] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program ./strace-static-x86_64: Process 6946 attached [pid 6945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6944] <... openat resumed>) = 3 [pid 6942] +++ exited with 0 +++ [pid 6946] set_robust_list(0x55558c953660, 24 [pid 6943] <... bpf resumed>) = 7 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6946 [pid 6946] <... set_robust_list resumed>) = 0 [pid 6944] write(3, "1000", 4 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6945] <... openat resumed>) = 3 [pid 6944] <... write resumed>) = 4 [pid 6943] exit_group(0 [pid 6945] write(3, "1000", 4 [pid 6944] close(3./strace-static-x86_64: Process 6947 attached [pid 6946] <... prctl resumed>) = 0 [pid 6945] <... write resumed>) = 4 [pid 6944] <... close resumed>) = 0 [pid 6943] <... exit_group resumed>) = ? [pid 6945] close(3 [pid 6944] write(1, "executing program\n", 18 [pid 6947] set_robust_list(0x55558c953660, 24 [pid 6946] setpgid(0, 0 [pid 6945] <... close resumed>) = 0 [pid 6944] <... write resumed>) = 18 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6947 [pid 6947] <... set_robust_list resumed>) = 0 [pid 6946] <... setpgid resumed>) = 0 [pid 6947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6945] write(1, "executing program\n", 18 [pid 6944] perf_event_open( [pid 6947] <... prctl resumed>) = 0 [pid 6946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6947] setpgid(0, 0 [pid 6945] <... write resumed>) = 18 [pid 6947] <... setpgid resumed>) = 0 [pid 6946] <... openat resumed>) = 3 [pid 6945] perf_event_open( [pid 6947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6946] write(3, "1000", 4 [pid 6947] <... openat resumed>) = 3 [pid 6946] <... write resumed>) = 4 [pid 6947] write(3, "1000", 4 [pid 6946] close(3 [pid 6947] <... write resumed>) = 4 [pid 6946] <... close resumed>) = 0 executing program [pid 6947] close(3 [pid 6946] write(1, "executing program\n", 18 [pid 6947] <... close resumed>) = 0 [pid 6946] <... write resumed>) = 18 [pid 6947] write(1, "executing program\n", 18executing program ) = 18 [pid 6946] perf_event_open( [pid 6947] perf_event_open( [pid 6946] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6945] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6944] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6943] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6943, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6947] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6946] perf_event_open( [pid 6945] perf_event_open( [pid 6944] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6947] perf_event_open( [pid 6946] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6945] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6944] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6948 attached [pid 6947] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6946] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6945] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6944] <... bpf resumed>) = 5 [pid 6948] set_robust_list(0x55558c953660, 24 [pid 6947] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6946] <... bpf resumed>) = 5 [pid 6945] <... bpf resumed>) = 5 [pid 6944] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6948 [pid 6948] <... set_robust_list resumed>) = 0 [pid 6947] <... bpf resumed>) = 5 [pid 6946] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6945] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6947] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6948] <... prctl resumed>) = 0 [pid 6947] <... bpf resumed>) = 6 [pid 6946] <... bpf resumed>) = 6 [pid 6948] setpgid(0, 0) = 0 [pid 6948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6944] <... bpf resumed>) = 6 [pid 6948] <... openat resumed>) = 3 [pid 6948] write(3, "1000", 4 [pid 6945] <... bpf resumed>) = 6 [pid 6948] <... write resumed>) = 4 [pid 6948] close(3 [pid 6947] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6948] <... close resumed>) = 0 executing program [pid 6948] write(1, "executing program\n", 18 [pid 6946] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6945] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6944] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6948] <... write resumed>) = 18 [pid 6947] <... bpf resumed>) = 7 [pid 6948] perf_event_open( [pid 6946] <... bpf resumed>) = 7 [pid 6947] exit_group(0 [pid 6945] <... bpf resumed>) = 7 [pid 6948] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6944] <... bpf resumed>) = 7 [pid 6945] exit_group(0 [pid 6947] <... exit_group resumed>) = ? [pid 6948] perf_event_open( [pid 6946] exit_group(0 [pid 6945] <... exit_group resumed>) = ? [pid 6944] exit_group(0 [pid 6948] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6946] <... exit_group resumed>) = ? [pid 6947] +++ exited with 0 +++ [pid 6944] <... exit_group resumed>) = ? [pid 6948] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6945] +++ exited with 0 +++ [pid 6948] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6949 attached [pid 6948] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6949] set_robust_list(0x55558c953660, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6945, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6946] +++ exited with 0 +++ [pid 6944] +++ exited with 0 +++ [pid 6949] <... set_robust_list resumed>) = 0 [pid 6948] <... bpf resumed>) = 6 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6948] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6949 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6949] <... prctl resumed>) = 0 [pid 6948] <... bpf resumed>) = 7 [pid 6948] exit_group(0./strace-static-x86_64: Process 6950 attached [pid 6949] setpgid(0, 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6951 attached [pid 6950] set_robust_list(0x55558c953660, 24 [pid 6949] <... setpgid resumed>) = 0 [pid 6948] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6950 [pid 6950] <... set_robust_list resumed>) = 0 [pid 6951] set_robust_list(0x55558c953660, 24 [pid 6950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6951 [pid 6951] <... set_robust_list resumed>) = 0 [pid 6951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6950] <... prctl resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6949] <... openat resumed>) = 3 [pid 6949] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6952 attached [pid 6951] <... prctl resumed>) = 0 [pid 6950] setpgid(0, 0 [pid 6949] close(3 [pid 6951] setpgid(0, 0 [pid 6952] set_robust_list(0x55558c953660, 24 [pid 6950] <... setpgid resumed>) = 0 [pid 6949] <... close resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6952 [pid 6952] <... set_robust_list resumed>) = 0 [pid 6951] <... setpgid resumed>) = 0 [pid 6950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6949] write(1, "executing program\n", 18executing program [pid 6952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6950] <... openat resumed>) = 3 [pid 6949] <... write resumed>) = 18 [pid 6952] <... prctl resumed>) = 0 [pid 6952] setpgid(0, 0 [pid 6951] <... openat resumed>) = 3 [pid 6949] perf_event_open( [pid 6952] <... setpgid resumed>) = 0 [pid 6951] write(3, "1000", 4 [pid 6950] write(3, "1000", 4 [pid 6952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6951] <... write resumed>) = 4 [pid 6950] <... write resumed>) = 4 [pid 6951] close(3 [pid 6950] close(3 [pid 6951] <... close resumed>) = 0 [pid 6950] <... close resumed>) = 0 executing program executing program [pid 6950] write(1, "executing program\n", 18 [pid 6951] write(1, "executing program\n", 18 [pid 6950] <... write resumed>) = 18 [pid 6951] <... write resumed>) = 18 [pid 6950] perf_event_open( [pid 6951] perf_event_open( [pid 6952] <... openat resumed>) = 3 [pid 6952] write(3, "1000", 4) = 4 [pid 6952] close(3) = 0 executing program [pid 6952] write(1, "executing program\n", 18) = 18 [pid 6952] perf_event_open( [pid 6948] +++ exited with 0 +++ [pid 6950] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6949] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6951] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6950] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6952] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6951] perf_event_open( [pid 6949] perf_event_open( [pid 6950] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6952] perf_event_open( [pid 6951] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6949] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6952] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6951] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6950] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6949] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6952] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6951] <... bpf resumed>) = 5 [pid 6950] <... bpf resumed>) = 5 [pid 6949] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6952] <... bpf resumed>) = 5 [pid 6952] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6953 attached [pid 6951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6950] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6949] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6953] set_robust_list(0x55558c953660, 24 [pid 6952] <... bpf resumed>) = 6 [pid 6951] <... bpf resumed>) = 6 [pid 6953] <... set_robust_list resumed>) = 0 [pid 6953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6953 [pid 6951] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6952] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6951] <... bpf resumed>) = 7 [pid 6952] <... bpf resumed>) = 7 [pid 6953] <... prctl resumed>) = 0 [pid 6951] exit_group(0 [pid 6950] <... bpf resumed>) = 6 [pid 6949] <... bpf resumed>) = 6 [pid 6953] setpgid(0, 0 [pid 6952] exit_group(0 [pid 6951] <... exit_group resumed>) = ? [pid 6950] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6949] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6953] <... setpgid resumed>) = 0 [pid 6953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6950] <... bpf resumed>) = 7 [pid 6949] <... bpf resumed>) = 7 [pid 6953] <... openat resumed>) = 3 [pid 6951] +++ exited with 0 +++ [pid 6952] <... exit_group resumed>) = ? [pid 6949] exit_group(0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6950] exit_group(0 [pid 6953] write(3, "1000", 4 [pid 6950] <... exit_group resumed>) = ? [pid 6953] <... write resumed>) = 4 [pid 6953] close(3) = 0 [pid 6952] +++ exited with 0 +++ [pid 6949] <... exit_group resumed>) = ? [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6952, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] <... restart_syscall resumed>) = 0 executing program [pid 6953] write(1, "executing program\n", 18) = 18 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6950] +++ exited with 0 +++ [pid 6953] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6950, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6953] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6954 attached [pid 6953] perf_event_open( [pid 6954] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6954 [pid 6954] <... set_robust_list resumed>) = 0 [pid 6954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6954] <... prctl resumed>) = 0 [pid 6954] setpgid(0, 0) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6955 attached [pid 6954] <... openat resumed>) = 3 [pid 6953] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6949] +++ exited with 0 +++ ./strace-static-x86_64: Process 6956 attached [pid 6955] set_robust_list(0x55558c953660, 24 [pid 6954] write(3, "1000", 4 [pid 6953] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6955 [pid 6956] set_robust_list(0x55558c953660, 24 [pid 6955] <... set_robust_list resumed>) = 0 [pid 6954] <... write resumed>) = 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6956 [pid 6956] <... set_robust_list resumed>) = 0 [pid 6955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6954] close(3 [pid 6956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6955] <... prctl resumed>) = 0 [pid 6954] <... close resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6956] <... prctl resumed>) = 0 [pid 6955] setpgid(0, 0 [pid 6954] write(1, "executing program\n", 18 [pid 6953] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6957 attached [pid 6956] setpgid(0, 0 [pid 6955] <... setpgid resumed>) = 0 [pid 6954] <... write resumed>) = 18 [pid 6953] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6957] set_robust_list(0x55558c953660, 24 [pid 6956] <... setpgid resumed>) = 0 [pid 6955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6954] perf_event_open( [pid 6957] <... set_robust_list resumed>) = 0 [pid 6956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6955] <... openat resumed>) = 3 [pid 6954] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6957 [pid 6957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6953] <... bpf resumed>) = 6 [pid 6953] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6957] <... prctl resumed>) = 0 [pid 6956] <... openat resumed>) = 3 [pid 6955] write(3, "1000", 4 [pid 6954] perf_event_open( [pid 6955] <... write resumed>) = 4 [pid 6957] setpgid(0, 0 [pid 6956] write(3, "1000", 4 [pid 6955] close(3 [pid 6953] <... bpf resumed>) = 7 [pid 6956] <... write resumed>) = 4 [pid 6954] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6956] close(3 [pid 6957] <... setpgid resumed>) = 0 [pid 6956] <... close resumed>) = 0 [pid 6955] <... close resumed>) = 0 [pid 6954] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6953] exit_group(0 [pid 6957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program executing program [pid 6956] write(1, "executing program\n", 18 [pid 6955] write(1, "executing program\n", 18 [pid 6956] <... write resumed>) = 18 [pid 6955] <... write resumed>) = 18 [pid 6956] perf_event_open( [pid 6954] <... bpf resumed>) = 5 [pid 6953] <... exit_group resumed>) = ? [pid 6956] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6957] <... openat resumed>) = 3 [pid 6955] perf_event_open( [pid 6956] perf_event_open( [pid 6957] write(3, "1000", 4 [pid 6955] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6954] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6953] +++ exited with 0 +++ [pid 6956] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6957] <... write resumed>) = 4 [pid 6956] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6955] perf_event_open( [pid 6957] close(3 [pid 6956] <... bpf resumed>) = 5 [pid 6955] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6953, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6957] <... close resumed>) = 0 [pid 6955] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6954] <... bpf resumed>) = 6 [pid 6957] write(1, "executing program\n", 18executing program [pid 6955] <... bpf resumed>) = 5 [pid 6957] <... write resumed>) = 18 [pid 6954] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6957] perf_event_open( [pid 6956] <... bpf resumed>) = 6 [pid 6957] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6955] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6956] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6954] <... bpf resumed>) = 7 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6958 attached [pid 6957] perf_event_open( [pid 6956] <... bpf resumed>) = 7 [pid 6954] exit_group(0 [pid 6958] set_robust_list(0x55558c953660, 24 [pid 6957] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6957] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6954] <... exit_group resumed>) = ? [pid 6958] <... set_robust_list resumed>) = 0 [pid 6957] <... bpf resumed>) = 5 [pid 6956] exit_group(0 [pid 6955] <... bpf resumed>) = 6 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6958 [pid 6958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6957] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6955] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6958] <... prctl resumed>) = 0 [pid 6957] <... bpf resumed>) = 6 [pid 6956] <... exit_group resumed>) = ? [pid 6954] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6954, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6958] setpgid(0, 0 [pid 6957] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6955] <... bpf resumed>) = 7 [pid 5868] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6958] <... setpgid resumed>) = 0 [pid 6957] <... bpf resumed>) = 7 [pid 6955] exit_group(0 [pid 6958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6955] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6959 [pid 6957] exit_group(0 [pid 6956] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6959 attached [pid 6958] <... openat resumed>) = 3 [pid 6957] <... exit_group resumed>) = ? [pid 6959] set_robust_list(0x55558c953660, 24 [pid 6958] write(3, "1000", 4 [pid 6955] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 6959] <... set_robust_list resumed>) = 0 [pid 6958] <... write resumed>) = 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6955, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6958] close(3) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 6959] <... prctl resumed>) = 0 [pid 6958] write(1, "executing program\n", 18./strace-static-x86_64: Process 6960 attached ) = 18 [pid 6959] setpgid(0, 0 [pid 6958] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6960 [pid 6960] set_robust_list(0x55558c953660, 24 [pid 6959] <... setpgid resumed>) = 0 [pid 6960] <... set_robust_list resumed>) = 0 [pid 6959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6960] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6961 attached [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6961 [pid 6961] set_robust_list(0x55558c953660, 24 [pid 6960] <... prctl resumed>) = 0 [pid 6959] <... openat resumed>) = 3 [pid 6960] setpgid(0, 0 [pid 6961] <... set_robust_list resumed>) = 0 [pid 6959] write(3, "1000", 4 [pid 6961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6959] <... write resumed>) = 4 [pid 6959] close(3 [pid 6961] <... prctl resumed>) = 0 [pid 6960] <... setpgid resumed>) = 0 [pid 6959] <... close resumed>) = 0 [pid 6958] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6957] +++ exited with 0 +++ [pid 6958] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6961] setpgid(0, 0 [pid 6960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6959] write(1, "executing program\n", 18 [pid 6958] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 6961] <... setpgid resumed>) = 0 [pid 6959] <... write resumed>) = 18 [pid 6958] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6960] <... openat resumed>) = 3 [pid 6959] perf_event_open( [pid 6958] <... bpf resumed>) = 5 [pid 6958] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6961] <... openat resumed>) = 3 [pid 6960] write(3, "1000", 4 [pid 6959] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6960] <... write resumed>) = 4 ./strace-static-x86_64: Process 6962 attached [pid 6961] write(3, "1000", 4 [pid 6960] close(3 [pid 6959] perf_event_open( [pid 6962] set_robust_list(0x55558c953660, 24 [pid 6961] <... write resumed>) = 4 [pid 6960] <... close resumed>) = 0 [pid 6959] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6962] <... set_robust_list resumed>) = 0 [pid 6961] close(3 [pid 6960] write(1, "executing program\n", 18 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6962 executing program [pid 6962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6961] <... close resumed>) = 0 [pid 6960] <... write resumed>) = 18 [pid 6959] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6962] <... prctl resumed>) = 0 [pid 6961] write(1, "executing program\n", 18 [pid 6958] <... bpf resumed>) = 6 [pid 6962] setpgid(0, 0 [pid 6958] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program [pid 6962] <... setpgid resumed>) = 0 [pid 6961] <... write resumed>) = 18 [pid 6960] perf_event_open( [pid 6959] <... bpf resumed>) = 5 [pid 6958] <... bpf resumed>) = 7 [pid 6962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6961] perf_event_open( [pid 6959] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6962] <... openat resumed>) = 3 [pid 6962] write(3, "1000", 4 [pid 6961] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6960] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6958] exit_group(0 [pid 6962] <... write resumed>) = 4 executing program [pid 6962] close(3) = 0 [pid 6962] write(1, "executing program\n", 18) = 18 [pid 6962] perf_event_open( [pid 6958] <... exit_group resumed>) = ? [pid 6962] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6961] perf_event_open( [pid 6960] perf_event_open( [pid 6959] <... bpf resumed>) = 6 [pid 6958] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6958, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6962] perf_event_open( [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6962] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6961] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6960] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6959] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6962] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6961] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6963 attached [pid 6962] <... bpf resumed>) = 5 [pid 6961] <... bpf resumed>) = 5 [pid 6960] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6963] set_robust_list(0x55558c953660, 24 [pid 6962] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6961] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6959] <... bpf resumed>) = 7 [pid 6963] <... set_robust_list resumed>) = 0 [pid 6960] <... bpf resumed>) = 5 [pid 6959] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6963 [pid 6963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6959] <... exit_group resumed>) = ? [pid 6963] <... prctl resumed>) = 0 [pid 6962] <... bpf resumed>) = 6 [pid 6961] <... bpf resumed>) = 6 [pid 6960] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6963] setpgid(0, 0 [pid 6962] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6961] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6963] <... setpgid resumed>) = 0 [pid 6962] <... bpf resumed>) = 7 [pid 6963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6961] <... bpf resumed>) = 7 [pid 6960] <... bpf resumed>) = 6 [pid 6959] +++ exited with 0 +++ [pid 6963] <... openat resumed>) = 3 [pid 6962] exit_group(0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6961] exit_group(0 [pid 6960] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6963] write(3, "1000", 4 [pid 6962] <... exit_group resumed>) = ? [pid 6961] <... exit_group resumed>) = ? [pid 6960] <... bpf resumed>) = 7 [pid 6963] <... write resumed>) = 4 [pid 6961] +++ exited with 0 +++ [pid 6960] exit_group(0 [pid 6963] close(3) = 0 executing program [pid 6963] write(1, "executing program\n", 18 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6961, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6963] <... write resumed>) = 18 [pid 6960] <... exit_group resumed>) = ? [pid 6963] perf_event_open( [pid 6962] +++ exited with 0 +++ [pid 5871] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6964 attached [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6962, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6964] set_robust_list(0x55558c953660, 24 [pid 6963] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6963] perf_event_open( [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6964] <... set_robust_list resumed>) = 0 [pid 6964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6963] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6964 [pid 6964] <... prctl resumed>) = 0 [pid 6964] setpgid(0, 0) = 0 [pid 6964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6963] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6960] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6964] <... openat resumed>) = 3 [pid 6964] write(3, "1000", 4 [pid 6963] <... bpf resumed>) = 5 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6960, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6964] <... write resumed>) = 4 [pid 6964] close(3) = 0 [pid 6964] write(1, "executing program\n", 18executing program ) = 18 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6965 attached [pid 6964] perf_event_open( [pid 6963] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6965] set_robust_list(0x55558c953660, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6964] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6964] perf_event_open(./strace-static-x86_64: Process 6966 attached [pid 6965] <... set_robust_list resumed>) = 0 [pid 6964] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6965 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6966] set_robust_list(0x55558c953660, 24 [pid 6965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6964] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6966] <... set_robust_list resumed>) = 0 [pid 6966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6964] <... bpf resumed>) = 5 [pid 6966] <... prctl resumed>) = 0 [pid 6964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6966] setpgid(0, 0) = 0 [pid 6966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ./strace-static-x86_64: Process 6967 attached ) = 3 [pid 6965] <... prctl resumed>) = 0 [pid 6966] write(3, "1000", 4) = 4 [pid 6966] close(3) = 0 [pid 6966] write(1, "executing program\n", 18) = 18 [pid 6966] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6966] perf_event_open( [pid 6967] set_robust_list(0x55558c953660, 24 [pid 6966] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6965] setpgid(0, 0 [pid 6963] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6966 [pid 6967] <... set_robust_list resumed>) = 0 [pid 6965] <... setpgid resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6967 [pid 6967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6966] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6964] <... bpf resumed>) = 6 [pid 6963] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6967] <... prctl resumed>) = 0 [pid 6966] <... bpf resumed>) = 5 [pid 6967] setpgid(0, 0 [pid 6966] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6965] <... openat resumed>) = 3 [pid 6964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6963] <... bpf resumed>) = 7 [pid 6967] <... setpgid resumed>) = 0 [pid 6967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6965] write(3, "1000", 4 [pid 6967] <... openat resumed>) = 3 [pid 6965] <... write resumed>) = 4 [pid 6967] write(3, "1000", 4 [pid 6965] close(3 [pid 6967] <... write resumed>) = 4 [pid 6965] <... close resumed>) = 0 [pid 6967] close(3) = 0 [pid 6965] write(1, "executing program\n", 18 [pid 6967] write(1, "executing program\n", 18executing program executing program ) = 18 [pid 6965] <... write resumed>) = 18 [pid 6967] perf_event_open( [pid 6965] perf_event_open( [pid 6964] <... bpf resumed>) = 7 [pid 6967] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6965] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6964] exit_group(0) = ? [pid 6967] perf_event_open( [pid 6965] perf_event_open( [pid 6967] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6966] <... bpf resumed>) = 6 [pid 6965] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6964] +++ exited with 0 +++ [pid 6963] exit_group(0) = ? [pid 6967] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6966] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6965] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6963] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6967] <... bpf resumed>) = 5 [pid 6966] <... bpf resumed>) = 7 [pid 6965] <... bpf resumed>) = 5 [pid 6966] exit_group(0 [pid 6967] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6966] <... exit_group resumed>) = ? [pid 6965] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6967] <... bpf resumed>) = 6 [pid 6967] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6966] +++ exited with 0 +++ [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6965] <... bpf resumed>) = 6 [pid 6965] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6970 attached ./strace-static-x86_64: Process 6969 attached [pid 6967] <... bpf resumed>) = 7 [pid 6970] set_robust_list(0x55558c953660, 24 [pid 6969] set_robust_list(0x55558c953660, 24 [pid 6965] <... bpf resumed>) = 7 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6966, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6969 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6970 [pid 6970] <... set_robust_list resumed>) = 0 [pid 6969] <... set_robust_list resumed>) = 0 [pid 6967] exit_group(0 [pid 6970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6971 attached [pid 6970] <... prctl resumed>) = 0 [pid 6967] <... exit_group resumed>) = ? executing program [pid 6969] <... prctl resumed>) = 0 [pid 6969] setpgid(0, 0 [pid 6965] exit_group(0 [pid 6970] setpgid(0, 0 [pid 6969] <... setpgid resumed>) = 0 [pid 6971] set_robust_list(0x55558c953660, 24 [pid 6970] <... setpgid resumed>) = 0 [pid 6969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6965] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6971 [pid 6971] <... set_robust_list resumed>) = 0 [pid 6970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6969] <... openat resumed>) = 3 [pid 6967] +++ exited with 0 +++ [pid 6970] <... openat resumed>) = 3 [pid 6970] write(3, "1000", 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6970] <... write resumed>) = 4 [pid 6969] write(3, "1000", 4 [pid 6971] <... prctl resumed>) = 0 [pid 6971] setpgid(0, 0 [pid 6969] <... write resumed>) = 4 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6971] <... setpgid resumed>) = 0 [pid 6970] close(3 [pid 6969] close(3 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6970] <... close resumed>) = 0 [pid 6969] <... close resumed>) = 0 [pid 6971] <... openat resumed>) = 3 [pid 6970] write(1, "executing program\n", 18) = 18 [pid 6971] write(3, "1000", 4 [pid 6969] write(1, "executing program\n", 18executing program [pid 6971] <... write resumed>) = 4 [pid 6969] <... write resumed>) = 18 [pid 6971] close(3 [pid 6970] perf_event_open( [pid 6969] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6971] <... close resumed>) = 0 ./strace-static-x86_64: Process 6972 attached executing program [pid 6971] write(1, "executing program\n", 18 [pid 6972] set_robust_list(0x55558c953660, 24 [pid 6971] <... write resumed>) = 18 [pid 6972] <... set_robust_list resumed>) = 0 [pid 6971] perf_event_open( [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6972 [pid 6972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6972] setpgid(0, 0) = 0 [pid 6972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6972] write(3, "1000", 4) = 4 [pid 6972] close(3) = 0 executing program [pid 6972] write(1, "executing program\n", 18) = 18 [pid 6972] perf_event_open( [pid 6971] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6970] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6969] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6965] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6971] perf_event_open( [pid 6969] perf_event_open( [pid 6972] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6971] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6970] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6970] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6969] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6972] perf_event_open( [pid 6971] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6970] <... bpf resumed>) = 5 [pid 6969] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6972] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6971] <... bpf resumed>) = 5 [pid 6970] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6972] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6969] <... bpf resumed>) = 5 [pid 6972] <... bpf resumed>) = 5 [pid 6971] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6972] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6970] <... bpf resumed>) = 6 [pid 6969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6972] <... bpf resumed>) = 6 [pid 6971] <... bpf resumed>) = 6 [pid 6970] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6969] <... bpf resumed>) = 6 [pid 6972] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6971] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6969] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6971] <... bpf resumed>) = 7 [pid 6970] <... bpf resumed>) = 7 [pid 6972] <... bpf resumed>) = 7 [pid 6971] exit_group(0 [pid 6970] exit_group(0 [pid 6969] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6971] <... exit_group resumed>) = ? [pid 6970] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6973 attached [pid 6972] exit_group(0 [pid 6970] +++ exited with 0 +++ [pid 6969] exit_group(0 [pid 6973] set_robust_list(0x55558c953660, 24) = 0 [pid 6972] <... exit_group resumed>) = ? [pid 6971] +++ exited with 0 +++ [pid 6969] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6973 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6971, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6973] <... prctl resumed>) = 0 [pid 6969] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6973] setpgid(0, 0) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6974 attached [pid 6973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6969, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6975 attached [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6975] set_robust_list(0x55558c953660, 24 [pid 6974] set_robust_list(0x55558c953660, 24 [pid 6975] <... set_robust_list resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6975 [pid 6975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6974] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6976 attached [pid 6975] <... prctl resumed>) = 0 [pid 6973] <... openat resumed>) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6974 [pid 6975] setpgid(0, 0 [pid 6976] set_robust_list(0x55558c953660, 24 [pid 6975] <... setpgid resumed>) = 0 [pid 6974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6976 [pid 6975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6976] <... set_robust_list resumed>) = 0 [pid 6975] <... openat resumed>) = 3 [pid 6974] <... prctl resumed>) = 0 [pid 6976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6973] write(3, "1000", 4 [pid 6976] <... prctl resumed>) = 0 [pid 6975] write(3, "1000", 4 [pid 6974] setpgid(0, 0 [pid 6973] <... write resumed>) = 4 [pid 6976] setpgid(0, 0 [pid 6975] <... write resumed>) = 4 [pid 6975] close(3 [pid 6976] <... setpgid resumed>) = 0 [pid 6975] <... close resumed>) = 0 [pid 6974] <... setpgid resumed>) = 0 [pid 6973] close(3 [pid 6976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6975] write(1, "executing program\n", 18 [pid 6974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6973] <... close resumed>) = 0 [pid 6976] write(3, "1000", 4 [pid 6975] <... write resumed>) = 18 [pid 6974] <... openat resumed>) = 3 [pid 6976] <... write resumed>) = 4 [pid 6975] perf_event_open(executing program [pid 6973] write(1, "executing program\n", 18 [pid 6976] close(3 [pid 6974] write(3, "1000", 4 [pid 6973] <... write resumed>) = 18 [pid 6976] <... close resumed>) = 0 [pid 6974] <... write resumed>) = 4 [pid 6974] close(3 [pid 6973] perf_event_open(executing program [pid 6976] write(1, "executing program\n", 18 [pid 6974] <... close resumed>) = 0 [pid 6976] <... write resumed>) = 18 executing program [pid 6974] write(1, "executing program\n", 18 [pid 6976] perf_event_open( [pid 6974] <... write resumed>) = 18 [pid 6974] perf_event_open( [pid 6972] +++ exited with 0 +++ [pid 6975] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6973] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6975] perf_event_open( [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6976] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6976] perf_event_open( [pid 6975] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6974] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6973] perf_event_open( [pid 6974] perf_event_open( [pid 6976] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6975] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6973] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6973] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6976] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6975] <... bpf resumed>) = 5 [pid 6974] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6973] <... bpf resumed>) = 5 [pid 6976] <... bpf resumed>) = 5 [pid 6975] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6976] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6974] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6974] <... bpf resumed>) = 5 [pid 6973] <... bpf resumed>) = 6 [pid 6974] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6975] <... bpf resumed>) = 6 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6974] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6977 attached [pid 6976] <... bpf resumed>) = 6 [pid 6975] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6973] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6977] set_robust_list(0x55558c953660, 24) = 0 [pid 6973] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6977 [pid 6974] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6976] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6975] <... bpf resumed>) = 7 [pid 6977] <... prctl resumed>) = 0 [pid 6974] <... bpf resumed>) = 7 [pid 6977] setpgid(0, 0 [pid 6976] <... bpf resumed>) = 7 [pid 6974] exit_group(0 [pid 6977] <... setpgid resumed>) = 0 [pid 6977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6975] exit_group(0 [pid 6973] exit_group(0 [pid 6976] exit_group(0 [pid 6977] <... openat resumed>) = 3 [pid 6975] <... exit_group resumed>) = ? [pid 6974] <... exit_group resumed>) = ? [pid 6973] <... exit_group resumed>) = ? [pid 6976] <... exit_group resumed>) = ? [pid 6977] write(3, "1000", 4) = 4 [pid 6977] close(3) = 0 executing program [pid 6975] +++ exited with 0 +++ [pid 6974] +++ exited with 0 +++ [pid 6973] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6977] write(1, "executing program\n", 18) = 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6973, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6977] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6978 attached ./strace-static-x86_64: Process 6979 attached [pid 6978] set_robust_list(0x55558c953660, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6978 [pid 6979] set_robust_list(0x55558c953660, 24 [pid 6978] <... set_robust_list resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6979 [pid 6979] <... set_robust_list resumed>) = 0 [pid 6978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6978] <... prctl resumed>) = 0 [pid 6978] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6980 attached [pid 6979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6980] set_robust_list(0x55558c953660, 24 [pid 6979] <... prctl resumed>) = 0 [pid 6978] <... openat resumed>) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6980 [pid 6980] <... set_robust_list resumed>) = 0 [pid 6979] setpgid(0, 0) = 0 [pid 6978] write(3, "1000", 4 [pid 6980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6978] <... write resumed>) = 4 [pid 6980] <... prctl resumed>) = 0 [pid 6979] <... openat resumed>) = 3 [pid 6978] close(3 [pid 6979] write(3, "1000", 4 [pid 6978] <... close resumed>) = 0 [pid 6979] <... write resumed>) = 4 executing program [pid 6979] close(3 [pid 6978] write(1, "executing program\n", 18 [pid 6979] <... close resumed>) = 0 [pid 6978] <... write resumed>) = 18 executing program [pid 6979] write(1, "executing program\n", 18 [pid 6978] perf_event_open( [pid 6980] setpgid(0, 0 [pid 6979] <... write resumed>) = 18 [pid 6980] <... setpgid resumed>) = 0 [pid 6979] perf_event_open( [pid 6980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6980] write(3, "1000", 4) = 4 [pid 6980] close(3) = 0 [pid 6980] write(1, "executing program\n", 18executing program ) = 18 [pid 6980] perf_event_open( [pid 6976] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6976, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6980] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6979] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6978] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6977] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6980] perf_event_open( [pid 6977] perf_event_open( [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6980] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6979] perf_event_open( [pid 6978] perf_event_open( [pid 6977] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6980] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6979] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6978] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6977] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6980] <... bpf resumed>) = 5 [pid 6979] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6978] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6977] <... bpf resumed>) = 5 [pid 6980] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6979] <... bpf resumed>) = 5 [pid 6978] <... bpf resumed>) = 5 [pid 6977] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6978] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6980] <... bpf resumed>) = 6 [pid 6979] <... bpf resumed>) = 6 [pid 6977] <... bpf resumed>) = 6 [pid 6979] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 ./strace-static-x86_64: Process 6981 attached [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6981 [pid 6981] set_robust_list(0x55558c953660, 24) = 0 [pid 6980] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6980] <... bpf resumed>) = 7 [pid 6979] exit_group(0 [pid 6978] <... bpf resumed>) = 6 [pid 6977] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6981] <... prctl resumed>) = 0 [pid 6980] exit_group(0 [pid 6981] setpgid(0, 0 [pid 6980] <... exit_group resumed>) = ? [pid 6979] <... exit_group resumed>) = ? [pid 6978] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6977] <... bpf resumed>) = 7 [pid 6981] <... setpgid resumed>) = 0 [pid 6980] +++ exited with 0 +++ [pid 6981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6979] +++ exited with 0 +++ [pid 6978] <... bpf resumed>) = 7 [pid 6977] exit_group(0 [pid 6981] <... openat resumed>) = 3 [pid 6981] write(3, "1000", 4 [pid 6978] exit_group(0 [pid 6977] <... exit_group resumed>) = ? [pid 6981] <... write resumed>) = 4 [pid 6978] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6982 attached [pid 6981] close(3 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6982] set_robust_list(0x55558c953660, 24) = 0 [pid 6982] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 6981] <... close resumed>) = 0 [pid 6981] write(1, "executing program\n", 18 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6981] <... write resumed>) = 18 [pid 6982] setpgid(0, 0) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6982 ./strace-static-x86_64: Process 6983 attached [pid 6982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6981] perf_event_open( [pid 6982] <... openat resumed>) = 3 [pid 6981] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6983 [pid 6982] write(3, "1000", 4 [pid 6983] set_robust_list(0x55558c953660, 24 [pid 6982] <... write resumed>) = 4 [pid 6981] perf_event_open( [pid 6977] +++ exited with 0 +++ [pid 6983] <... set_robust_list resumed>) = 0 [pid 6982] close(3executing program [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6982] <... close resumed>) = 0 [pid 6983] <... prctl resumed>) = 0 [pid 6982] write(1, "executing program\n", 18 [pid 6983] setpgid(0, 0 [pid 6982] <... write resumed>) = 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6983] <... setpgid resumed>) = 0 [pid 6982] perf_event_open( [pid 6981] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6978] +++ exited with 0 +++ [pid 6982] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 6984 attached [pid 6983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6982] perf_event_open( [pid 6981] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6978, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6984] set_robust_list(0x55558c953660, 24 [pid 6983] <... openat resumed>) = 3 [pid 6981] <... bpf resumed>) = 5 [pid 6984] <... set_robust_list resumed>) = 0 [pid 6981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6983] write(3, "1000", 4 [pid 6982] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6984 [pid 6984] <... prctl resumed>) = 0 [pid 6983] <... write resumed>) = 4 [pid 6982] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6984] setpgid(0, 0 [pid 6983] close(3 [pid 6982] <... bpf resumed>) = 5 [pid 6981] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6985 attached [pid 6984] <... setpgid resumed>) = 0 [pid 6983] <... close resumed>) = 0 [pid 6981] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6983] write(1, "executing program\n", 18 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6985 [pid 6983] <... write resumed>) = 18 [pid 6985] set_robust_list(0x55558c953660, 24 [pid 6983] perf_event_open( [pid 6981] <... bpf resumed>) = 7 [pid 6985] <... set_robust_list resumed>) = 0 [pid 6984] <... openat resumed>) = 3 [pid 6983] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6981] exit_group(0 [pid 6985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6984] write(3, "1000", 4 [pid 6983] perf_event_open( [pid 6981] <... exit_group resumed>) = ? [pid 6985] <... prctl resumed>) = 0 [pid 6985] setpgid(0, 0 [pid 6984] <... write resumed>) = 4 [pid 6983] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6981] +++ exited with 0 +++ [pid 6985] <... setpgid resumed>) = 0 [pid 6984] close(3 [pid 6983] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6984] <... close resumed>) = 0 [pid 6985] <... openat resumed>) = 3 executing program [pid 6984] write(1, "executing program\n", 18 [pid 6983] <... bpf resumed>) = 5 [pid 6982] <... bpf resumed>) = 6 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6984] <... write resumed>) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6985] write(3, "1000", 4 [pid 6984] perf_event_open( [pid 6983] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6982] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 6986 attached [pid 6985] <... write resumed>) = 4 [pid 6986] set_robust_list(0x55558c953660, 24 [pid 6985] close(3 [pid 6984] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6986] <... set_robust_list resumed>) = 0 [pid 6984] perf_event_open(executing program [pid 6985] <... close resumed>) = 0 [pid 6984] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6982] <... bpf resumed>) = 7 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6986 [pid 6985] write(1, "executing program\n", 18 [pid 6986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6985] <... write resumed>) = 18 [pid 6983] <... bpf resumed>) = 6 [pid 6984] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6982] exit_group(0 [pid 6986] <... prctl resumed>) = 0 [pid 6985] perf_event_open( [pid 6983] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6986] setpgid(0, 0 [pid 6985] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6984] <... bpf resumed>) = 5 [pid 6985] perf_event_open( [pid 6982] <... exit_group resumed>) = ? [pid 6986] <... setpgid resumed>) = 0 [pid 6985] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6984] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6983] <... bpf resumed>) = 7 [pid 6986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6985] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6986] <... openat resumed>) = 3 [pid 6985] <... bpf resumed>) = 5 [pid 6983] exit_group(0 [pid 6985] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6986] write(3, "1000", 4 [pid 6983] <... exit_group resumed>) = ? [pid 6986] <... write resumed>) = 4 [pid 6985] <... bpf resumed>) = 6 [pid 6985] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6986] close(3 [pid 6984] <... bpf resumed>) = 6 [pid 6983] +++ exited with 0 +++ [pid 6982] +++ exited with 0 +++ [pid 6986] <... close resumed>) = 0 executing program [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6982, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6986] write(1, "executing program\n", 18) = 18 [pid 6986] perf_event_open( [pid 6985] <... bpf resumed>) = 7 [pid 6984] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6986] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6985] exit_group(0 [pid 6984] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6985] <... exit_group resumed>) = ? [pid 6984] exit_group(0./strace-static-x86_64: Process 6987 attached [pid 6986] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6987] set_robust_list(0x55558c953660, 24 [pid 6986] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6984] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6987 [pid 6987] <... set_robust_list resumed>) = 0 [pid 6986] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6986] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6987] <... prctl resumed>) = 0 [pid 6987] setpgid(0, 0) = 0 [pid 6987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6984] +++ exited with 0 +++ executing program ./strace-static-x86_64: Process 6988 attached [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6984, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6988] set_robust_list(0x55558c953660, 24 [pid 6987] <... openat resumed>) = 3 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6988 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6988] <... set_robust_list resumed>) = 0 [pid 6987] write(3, "1000", 4 [pid 6985] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 6988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6987] <... write resumed>) = 4 [pid 6987] close(3 [pid 6986] <... bpf resumed>) = 6 [pid 6988] <... prctl resumed>) = 0 [pid 6987] <... close resumed>) = 0 [pid 6986] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6988] setpgid(0, 0 [pid 6987] write(1, "executing program\n", 18 [pid 6986] <... bpf resumed>) = 7 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6989 attached [pid 6987] <... write resumed>) = 18 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6989] set_robust_list(0x55558c953660, 24 [pid 6988] <... setpgid resumed>) = 0 [pid 6987] perf_event_open( [pid 6986] exit_group(0 [pid 6989] <... set_robust_list resumed>) = 0 [pid 6988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6987] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6986] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6989 [pid 6987] perf_event_open( [pid 6989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6988] <... openat resumed>) = 3 [pid 6987] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6987] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 6989] <... prctl resumed>) = 0 [pid 6988] write(3, "1000", 4 [pid 6986] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 6988] <... write resumed>) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6988] close(3 [pid 6989] setpgid(0, 0 [pid 6988] <... close resumed>) = 0 [pid 6987] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6989] <... setpgid resumed>) = 0 [pid 6988] write(1, "executing program\n", 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6990 attached [pid 6989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6988] <... write resumed>) = 18 [pid 6990] set_robust_list(0x55558c953660, 24 [pid 6988] perf_event_open( [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6989] <... openat resumed>) = 3 [pid 6988] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6988] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 6991 attached [pid 6990] <... set_robust_list resumed>) = 0 [pid 6989] write(3, "1000", 4 [pid 6988] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6987] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6990 [pid 6991] set_robust_list(0x55558c953660, 24 [pid 6990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6989] <... write resumed>) = 4 [pid 6988] <... bpf resumed>) = 5 [pid 6991] <... set_robust_list resumed>) = 0 [pid 6988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6987] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6990] <... prctl resumed>) = 0 [pid 6989] close(3 [pid 6987] <... bpf resumed>) = 7 executing program [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6991 [pid 6990] setpgid(0, 0 [pid 6989] <... close resumed>) = 0 [pid 6987] exit_group(0 [pid 6990] <... setpgid resumed>) = 0 [pid 6989] write(1, "executing program\n", 18) = 18 [pid 6990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6989] perf_event_open( [pid 6987] <... exit_group resumed>) = ? [pid 6989] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6990] <... openat resumed>) = 3 [pid 6991] <... prctl resumed>) = 0 [pid 6990] write(3, "1000", 4 [pid 6989] perf_event_open( [pid 6988] <... bpf resumed>) = 6 [pid 6987] +++ exited with 0 +++ [pid 6991] setpgid(0, 0 [pid 6990] <... write resumed>) = 4 [pid 6989] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6988] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6991] <... setpgid resumed>) = 0 [pid 6990] close(3 [pid 6989] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6990] <... close resumed>) = 0 [pid 6989] <... bpf resumed>) = 5 [pid 6988] <... bpf resumed>) = 7 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 6991] <... openat resumed>) = 3 [pid 6990] write(1, "executing program\n", 18 [pid 6989] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6991] write(3, "1000", 4 [pid 6990] <... write resumed>) = 18 [pid 6988] exit_group(0 [pid 6991] <... write resumed>) = 4 [pid 6990] perf_event_open(executing program [pid 6991] close(3) = 0 [pid 6991] write(1, "executing program\n", 18 [pid 6988] <... exit_group resumed>) = ? [pid 6991] <... write resumed>) = 18 [pid 6989] <... bpf resumed>) = 6 [pid 6991] perf_event_open( [pid 6990] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6990] perf_event_open( [pid 5872] <... restart_syscall resumed>) = 0 [pid 6990] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6989] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6991] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6991] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6990] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6988] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6991] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6989] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 6992 attached [pid 6991] <... bpf resumed>) = 5 [pid 6990] <... bpf resumed>) = 5 [pid 6989] exit_group(0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6992] set_robust_list(0x55558c953660, 24 [pid 6991] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6990] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6992] <... set_robust_list resumed>) = 0 [pid 6989] <... exit_group resumed>) = ? [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6992 [pid 6992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6991] <... bpf resumed>) = 6 [pid 6990] <... bpf resumed>) = 6 [pid 6989] +++ exited with 0 +++ [pid 6990] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6992] <... prctl resumed>) = 0 [pid 6992] setpgid(0, 0./strace-static-x86_64: Process 6993 attached ) = 0 [pid 6993] set_robust_list(0x55558c953660, 24 [pid 6990] <... bpf resumed>) = 7 [pid 6993] <... set_robust_list resumed>) = 0 [pid 6992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6991] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6990] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6993 [pid 6993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6991] <... bpf resumed>) = 7 [pid 6990] <... exit_group resumed>) = ? [pid 6993] setpgid(0, 0) = 0 [pid 6992] <... openat resumed>) = 3 [pid 6991] exit_group(0 [pid 6990] +++ exited with 0 +++ [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6992] write(3, "1000", 4 [pid 6991] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6994 attached [pid 6993] <... openat resumed>) = 3 [pid 6992] <... write resumed>) = 4 [pid 6994] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6994 [pid 6994] <... set_robust_list resumed>) = 0 [pid 6994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6994] setpgid(0, 0 [pid 6993] write(3, "1000", 4 [pid 6992] close(3 [pid 6993] <... write resumed>) = 4 [pid 6994] <... setpgid resumed>) = 0 [pid 6993] close(3 [pid 6992] <... close resumed>) = 0 executing program [pid 6994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6993] <... close resumed>) = 0 [pid 6992] write(1, "executing program\n", 18executing program [pid 6993] write(1, "executing program\n", 18 [pid 6992] <... write resumed>) = 18 [pid 6994] <... openat resumed>) = 3 [pid 6993] <... write resumed>) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6994] write(3, "1000", 4 [pid 6993] perf_event_open( [pid 6992] perf_event_open(./strace-static-x86_64: Process 6995 attached [pid 6994] <... write resumed>) = 4 [pid 6995] set_robust_list(0x55558c953660, 24 [pid 6994] close(3 [pid 6995] <... set_robust_list resumed>) = 0 [pid 6994] <... close resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 6995 [pid 6995] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 6994] write(1, "executing program\n", 18) = 18 [pid 6995] <... prctl resumed>) = 0 [pid 6994] perf_event_open( [pid 6995] setpgid(0, 0) = 0 [pid 6995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6993] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6992] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6991] +++ exited with 0 +++ [pid 6994] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6995] <... openat resumed>) = 3 [pid 6994] perf_event_open( [pid 6993] perf_event_open( [pid 6992] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6995] write(3, "1000", 4 [pid 6994] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6993] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6992] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6995] <... write resumed>) = 4 [pid 6994] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6993] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6992] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6995] close(3executing program [pid 6994] <... bpf resumed>) = 5 [pid 6993] <... bpf resumed>) = 5 [pid 6995] <... close resumed>) = 0 [pid 6995] write(1, "executing program\n", 18 [pid 6992] <... bpf resumed>) = 5 [pid 6995] <... write resumed>) = 18 [pid 6995] perf_event_open( [pid 6994] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6995] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6992] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6995] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6995] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6994] <... bpf resumed>) = 6 [pid 6993] <... bpf resumed>) = 6 [pid 6992] <... bpf resumed>) = 6 [pid 6995] <... bpf resumed>) = 5 [pid 6994] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6993] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6995] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6994] <... bpf resumed>) = 7 [pid 6992] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6993] <... bpf resumed>) = 7 [pid 6994] exit_group(0 [pid 6993] exit_group(0 [pid 6992] <... bpf resumed>) = 7 [pid 6992] exit_group(0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6994] <... exit_group resumed>) = ? [pid 6993] <... exit_group resumed>) = ? [pid 6993] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 6992] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6996 attached [pid 6995] <... bpf resumed>) = 6 [pid 6994] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 6996] set_robust_list(0x55558c953660, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6995] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6992] +++ exited with 0 +++ [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 6996 [pid 6996] <... set_robust_list resumed>) = 0 [pid 6996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6996] setpgid(0, 0 [pid 6995] <... bpf resumed>) = 7 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6996] <... setpgid resumed>) = 0 [pid 6996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6999 attached ./strace-static-x86_64: Process 6998 attached ./strace-static-x86_64: Process 6997 attached [pid 6995] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 6997 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 6998 [pid 6999] set_robust_list(0x55558c953660, 24 [pid 6998] set_robust_list(0x55558c953660, 24 [pid 6997] set_robust_list(0x55558c953660, 24 [pid 6996] write(3, "1000", 4 [pid 6997] <... set_robust_list resumed>) = 0 [pid 6999] <... set_robust_list resumed>) = 0 [pid 6997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6996] <... write resumed>) = 4 [pid 6995] <... exit_group resumed>) = ? [pid 6998] <... set_robust_list resumed>) = 0 [pid 6997] <... prctl resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 6999 [pid 6998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6997] setpgid(0, 0 [pid 6998] <... prctl resumed>) = 0 [pid 6997] <... setpgid resumed>) = 0 [pid 6997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6998] setpgid(0, 0) = 0 [pid 6997] <... openat resumed>) = 3 [pid 6999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6996] close(3 [pid 6997] write(3, "1000", 4 [pid 6999] <... prctl resumed>) = 0 [pid 6998] <... openat resumed>) = 3 [pid 6998] write(3, "1000", 4 [pid 6996] <... close resumed>) = 0 [pid 6999] setpgid(0, 0) = 0 [pid 6998] <... write resumed>) = 4 [pid 6997] <... write resumed>) = 4 [pid 6996] write(1, "executing program\n", 18 [pid 6998] close(3executing program ) = 0 executing program [pid 6999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6997] close(3 [pid 6996] <... write resumed>) = 18 [pid 6999] <... openat resumed>) = 3 [pid 6998] write(1, "executing program\n", 18 [pid 6997] <... close resumed>) = 0 [pid 6996] perf_event_open( [pid 6998] <... write resumed>) = 18 executing program [pid 6998] perf_event_open( [pid 6997] write(1, "executing program\n", 18 [pid 6999] write(3, "1000", 4 [pid 6997] <... write resumed>) = 18 [pid 6999] <... write resumed>) = 4 [pid 6997] perf_event_open( [pid 6999] close(3) = 0 [pid 6999] write(1, "executing program\n", 18executing program ) = 18 [pid 6999] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6998] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6997] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6996] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6995] +++ exited with 0 +++ [pid 6999] perf_event_open( [pid 6998] perf_event_open( [pid 6997] perf_event_open( [pid 6999] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6998] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6997] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 6996] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6995, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6999] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6998] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6997] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6996] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7000 attached [pid 6999] <... bpf resumed>) = 5 [pid 6998] <... bpf resumed>) = 5 [pid 6997] <... bpf resumed>) = 5 [pid 6998] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7000] set_robust_list(0x55558c953660, 24 [pid 6999] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6997] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6996] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7000 [pid 7000] <... set_robust_list resumed>) = 0 [pid 6998] <... bpf resumed>) = 6 [pid 7000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7000] setpgid(0, 0 [pid 6999] <... bpf resumed>) = 6 [pid 6996] <... bpf resumed>) = 5 [pid 7000] <... setpgid resumed>) = 0 [pid 6999] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6998] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6997] <... bpf resumed>) = 6 [pid 6996] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6999] <... bpf resumed>) = 7 [pid 7000] <... openat resumed>) = 3 [pid 7000] write(3, "1000", 4 [pid 6999] exit_group(0 [pid 6998] <... bpf resumed>) = 7 [pid 6997] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 6996] <... bpf resumed>) = 6 [pid 7000] <... write resumed>) = 4 [pid 6999] <... exit_group resumed>) = ? [pid 7000] close(3 [pid 6998] exit_group(0 [pid 6997] <... bpf resumed>) = 7 [pid 6996] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program [pid 7000] <... close resumed>) = 0 [pid 6999] +++ exited with 0 +++ [pid 6998] <... exit_group resumed>) = ? [pid 6996] <... bpf resumed>) = 7 [pid 6997] exit_group(0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7000] write(1, "executing program\n", 18) = 18 [pid 7000] perf_event_open( [pid 6998] +++ exited with 0 +++ [pid 6997] <... exit_group resumed>) = ? [pid 6996] exit_group(0 [pid 7000] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 6996] <... exit_group resumed>) = ? [pid 7000] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7000] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7000] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 7001 attached ) = 5 [pid 6997] +++ exited with 0 +++ [pid 7000] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6997, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7001 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7002 attached [pid 7001] set_robust_list(0x55558c953660, 24 [pid 7000] <... bpf resumed>) = 6 [pid 6996] +++ exited with 0 +++ [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7001] <... set_robust_list resumed>) = 0 [pid 7002] set_robust_list(0x55558c953660, 24 [pid 7000] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7002] <... set_robust_list resumed>) = 0 [pid 7001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7002 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7001] <... prctl resumed>) = 0 [pid 7001] setpgid(0, 0 [pid 7002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7001] <... setpgid resumed>) = 0 [pid 7002] <... prctl resumed>) = 0 [pid 7001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7000] <... bpf resumed>) = 7 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7002] setpgid(0, 0 [pid 7001] <... openat resumed>) = 3 [pid 7002] <... setpgid resumed>) = 0 [pid 7000] exit_group(0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7001] write(3, "1000", 4 [pid 7000] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7003 attached [pid 7002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7001] <... write resumed>) = 4 executing program [pid 7001] close(3) = 0 [pid 7001] write(1, "executing program\n", 18) = 18 [pid 7001] perf_event_open( [pid 7003] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7004 attached ) = 0 [pid 7002] <... openat resumed>) = 3 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7003 [pid 7004] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7004 [pid 7004] <... set_robust_list resumed>) = 0 [pid 7002] write(3, "1000", 4 [pid 7004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7002] <... write resumed>) = 4 [pid 7003] <... prctl resumed>) = 0 [pid 7004] <... prctl resumed>) = 0 [pid 7004] setpgid(0, 0) = 0 [pid 7003] setpgid(0, 0 [pid 7002] close(3 [pid 7003] <... setpgid resumed>) = 0 [pid 7004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7002] <... close resumed>) = 0 [pid 7004] <... openat resumed>) = 3 [pid 7003] <... openat resumed>) = 3 [pid 7002] write(1, "executing program\n", 18 [pid 7001] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7000] +++ exited with 0 +++ executing program [pid 7004] write(3, "1000", 4 [pid 7003] write(3, "1000", 4 [pid 7002] <... write resumed>) = 18 [pid 7004] <... write resumed>) = 4 [pid 7003] <... write resumed>) = 4 [pid 7002] perf_event_open( [pid 7004] close(3 [pid 7003] close(3 [pid 7004] <... close resumed>) = 0 [pid 7001] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 7004] write(1, "executing program\n", 18) = 18 [pid 7003] <... close resumed>) = 0 executing program [pid 7004] perf_event_open( [pid 7003] write(1, "executing program\n", 18 [pid 7001] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7004] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7003] <... write resumed>) = 18 [pid 7003] perf_event_open( [pid 7004] perf_event_open( [pid 7002] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7001] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7002] perf_event_open( [pid 7004] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7003] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7002] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7001] <... bpf resumed>) = 5 [pid 7002] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7004] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7003] perf_event_open( [pid 7001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7005 attached [pid 7003] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7004] <... bpf resumed>) = 5 [pid 7004] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7002] <... bpf resumed>) = 5 [pid 7005] set_robust_list(0x55558c953660, 24 [pid 7003] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7001] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7005 [pid 7002] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7005] <... set_robust_list resumed>) = 0 [pid 7001] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7004] <... bpf resumed>) = 6 [pid 7003] <... bpf resumed>) = 5 [pid 7005] <... prctl resumed>) = 0 [pid 7004] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7003] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7005] setpgid(0, 0 [pid 7004] <... bpf resumed>) = 7 [pid 7002] <... bpf resumed>) = 6 [pid 7001] <... bpf resumed>) = 7 [pid 7005] <... setpgid resumed>) = 0 [pid 7005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7001] exit_group(0 [pid 7003] <... bpf resumed>) = 6 [pid 7001] <... exit_group resumed>) = ? [pid 7004] exit_group(0 [pid 7005] <... openat resumed>) = 3 [pid 7004] <... exit_group resumed>) = ? [pid 7003] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7002] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7003] <... bpf resumed>) = 7 [pid 7001] +++ exited with 0 +++ [pid 7005] write(3, "1000", 4) = 4 [pid 7003] exit_group(0 [pid 7002] <... bpf resumed>) = 7 [pid 7003] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7005] close(3 [pid 7004] +++ exited with 0 +++ [pid 7002] exit_group(0 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7005] <... close resumed>) = 0 executing program [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] <... restart_syscall resumed>) = 0 [pid 7005] write(1, "executing program\n", 18 [pid 7002] <... exit_group resumed>) = ? [pid 7005] <... write resumed>) = 18 [pid 7005] perf_event_open( [pid 7003] +++ exited with 0 +++ [pid 7005] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7005] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7003, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7007 attached ./strace-static-x86_64: Process 7006 attached ) = 0 [pid 7006] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7007 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7006 [pid 7007] set_robust_list(0x55558c953660, 24 [pid 7006] <... set_robust_list resumed>) = 0 [pid 7007] <... set_robust_list resumed>) = 0 [pid 7006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7006] setpgid(0, 0 [pid 7005] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7006] <... setpgid resumed>) = 0 [pid 7007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7005] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7002] +++ exited with 0 +++ [pid 7007] <... prctl resumed>) = 0 [pid 7005] <... bpf resumed>) = 5 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7002, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7007] setpgid(0, 0) = 0 [pid 7007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7005] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7008 attached [pid 7006] <... openat resumed>) = 3 [pid 7008] set_robust_list(0x55558c953660, 24 [pid 7007] <... openat resumed>) = 3 [pid 7006] write(3, "1000", 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7008] <... set_robust_list resumed>) = 0 [pid 7006] <... write resumed>) = 4 [pid 7008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7006] close(3 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7008 ./strace-static-x86_64: Process 7009 attached [pid 7007] write(3, "1000", 4 [pid 7006] <... close resumed>) = 0 executing program [pid 7007] <... write resumed>) = 4 [pid 7006] write(1, "executing program\n", 18 [pid 7009] set_robust_list(0x55558c953660, 24 [pid 7008] <... prctl resumed>) = 0 [pid 7007] close(3 [pid 7006] <... write resumed>) = 18 [pid 7009] <... set_robust_list resumed>) = 0 [pid 7008] setpgid(0, 0 [pid 7007] <... close resumed>) = 0 [pid 7006] perf_event_open( [pid 7005] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7009 [pid 7009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7008] <... setpgid resumed>) = 0 executing program [pid 7007] write(1, "executing program\n", 18 [pid 7006] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7009] <... prctl resumed>) = 0 [pid 7008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7007] <... write resumed>) = 18 [pid 7005] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7009] setpgid(0, 0 [pid 7008] <... openat resumed>) = 3 [pid 7007] perf_event_open( [pid 7006] perf_event_open( [pid 7007] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7006] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7009] <... setpgid resumed>) = 0 [pid 7008] write(3, "1000", 4 [pid 7005] <... bpf resumed>) = 7 [pid 7009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7008] <... write resumed>) = 4 [pid 7007] perf_event_open( [pid 7006] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7008] close(3 [pid 7005] exit_group(0 [pid 7008] <... close resumed>) = 0 [pid 7007] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7006] <... bpf resumed>) = 5 [pid 7008] write(1, "executing program\n", 18executing program [pid 7009] <... openat resumed>) = 3 [pid 7008] <... write resumed>) = 18 [pid 7006] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7009] write(3, "1000", 4 [pid 7008] perf_event_open( [pid 7007] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7005] <... exit_group resumed>) = ? [pid 7009] <... write resumed>) = 4 [pid 7008] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7007] <... bpf resumed>) = 5 [pid 7006] <... bpf resumed>) = 6 [pid 7005] +++ exited with 0 +++ [pid 7009] close(3 [pid 7008] perf_event_open( [pid 7007] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7009] <... close resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7009] write(1, "executing program\n", 18 [pid 7008] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7007] <... bpf resumed>) = 6 executing program [pid 7006] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7009] <... write resumed>) = 18 [pid 7008] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7007] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7009] perf_event_open( [pid 7008] <... bpf resumed>) = 5 [pid 7006] <... bpf resumed>) = 7 [pid 7009] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7008] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7006] exit_group(0 [pid 7008] <... bpf resumed>) = 6 [pid 7007] <... bpf resumed>) = 7 [pid 7009] perf_event_open( [pid 7006] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7008] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7008] exit_group(0) = ? ./strace-static-x86_64: Process 7010 attached [pid 7009] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7007] exit_group(0 [pid 7006] +++ exited with 0 +++ [pid 7010] set_robust_list(0x55558c953660, 24) = 0 [pid 7010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7010 [pid 7010] <... prctl resumed>) = 0 [pid 7010] setpgid(0, 0 [pid 7009] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7007] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7006, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7010] <... setpgid resumed>) = 0 [pid 7010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7009] <... bpf resumed>) = 5 [pid 7008] +++ exited with 0 +++ [pid 7007] +++ exited with 0 +++ [pid 7010] write(3, "1000", 4 [pid 7009] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7010] <... write resumed>) = 4 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7010] close(3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7011 ./strace-static-x86_64: Process 7011 attached [pid 7010] <... close resumed>) = 0 [pid 7009] <... bpf resumed>) = 6 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7011] set_robust_list(0x55558c953660, 24 [pid 7010] write(1, "executing program\n", 18 [pid 7011] <... set_robust_list resumed>) = 0 [pid 7010] <... write resumed>) = 18 [pid 7009] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7011] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7012 attached ) = 0 [pid 7011] setpgid(0, 0 [pid 7010] perf_event_open( [pid 7009] <... bpf resumed>) = 7 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7012] set_robust_list(0x55558c953660, 24 [pid 7011] <... setpgid resumed>) = 0 [pid 7009] exit_group(0 [pid 7012] <... set_robust_list resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7012 ./strace-static-x86_64: Process 7013 attached [pid 7012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7010] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7009] <... exit_group resumed>) = ? [pid 7013] set_robust_list(0x55558c953660, 24 [pid 7011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7010] perf_event_open( [pid 7013] <... set_robust_list resumed>) = 0 [pid 7012] <... prctl resumed>) = 0 [pid 7010] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7011] <... openat resumed>) = 3 [pid 7013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7013 [pid 7012] setpgid(0, 0) = 0 [pid 7010] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7013] <... prctl resumed>) = 0 [pid 7012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7011] write(3, "1000", 4 [pid 7010] <... bpf resumed>) = 5 [pid 7010] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7009] +++ exited with 0 +++ [pid 7013] setpgid(0, 0 [pid 7012] <... openat resumed>) = 3 executing program [pid 7011] <... write resumed>) = 4 [pid 7013] <... setpgid resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7012] write(3, "1000", 4 [pid 7011] close(3 [pid 7013] <... openat resumed>) = 3 [pid 7012] <... write resumed>) = 4 [pid 7011] <... close resumed>) = 0 [pid 7012] close(3 [pid 7011] write(1, "executing program\n", 18) = 18 [pid 7013] write(3, "1000", 4 [pid 7012] <... close resumed>) = 0 [pid 7010] <... bpf resumed>) = 6 [pid 7013] <... write resumed>) = 4 [pid 7012] write(1, "executing program\n", 18executing program [pid 7011] perf_event_open( [pid 7013] close(3 [pid 7012] <... write resumed>) = 18 [pid 7011] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7010] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7013] <... close resumed>) = 0 [pid 7012] perf_event_open(executing program [pid 7011] perf_event_open( [pid 7013] write(1, "executing program\n", 18 [pid 7012] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7010] <... bpf resumed>) = 7 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7013] <... write resumed>) = 18 [pid 7012] perf_event_open( [pid 7011] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7010] exit_group(0) = ? [pid 7013] perf_event_open( [pid 7012] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7011] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7014 attached [pid 7013] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7012] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7011] <... bpf resumed>) = 5 [pid 7013] perf_event_open( [pid 7012] <... bpf resumed>) = 5 [pid 7011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7014] set_robust_list(0x55558c953660, 24 [pid 7013] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7010] +++ exited with 0 +++ [pid 7014] <... set_robust_list resumed>) = 0 [pid 7012] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7013] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7011] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7014 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7014] <... prctl resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7014] setpgid(0, 0 [pid 7013] <... bpf resumed>) = 5 [pid 7012] <... bpf resumed>) = 6 [pid 7011] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7014] <... setpgid resumed>) = 0 [pid 7013] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7012] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7011] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7015 attached [pid 7012] <... bpf resumed>) = 7 [pid 7014] <... openat resumed>) = 3 [pid 7015] set_robust_list(0x55558c953660, 24) = 0 executing program [pid 7015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7014] write(3, "1000", 4) = 4 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7015 [pid 7015] <... prctl resumed>) = 0 [pid 7014] close(3 [pid 7015] setpgid(0, 0 [pid 7014] <... close resumed>) = 0 [pid 7011] exit_group(0 [pid 7015] <... setpgid resumed>) = 0 [pid 7014] write(1, "executing program\n", 18 [pid 7012] exit_group(0 [pid 7015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7014] <... write resumed>) = 18 executing program [pid 7013] <... bpf resumed>) = 6 [pid 7012] <... exit_group resumed>) = ? [pid 7011] <... exit_group resumed>) = ? [pid 7015] <... openat resumed>) = 3 [pid 7014] perf_event_open( [pid 7013] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7015] write(3, "1000", 4 [pid 7014] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7013] <... bpf resumed>) = 7 [pid 7015] <... write resumed>) = 4 [pid 7015] close(3) = 0 [pid 7013] exit_group(0 [pid 7015] write(1, "executing program\n", 18 [pid 7014] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7015] <... write resumed>) = 18 [pid 7013] <... exit_group resumed>) = ? [pid 7012] +++ exited with 0 +++ [pid 7011] +++ exited with 0 +++ [pid 7015] perf_event_open( [pid 7014] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7015] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7014] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7015] perf_event_open( [pid 7014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7013] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7016 attached [pid 7015] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7013, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7016] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7016 [pid 7016] <... set_robust_list resumed>) = 0 [pid 7016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7015] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 7017 attached [pid 7016] <... prctl resumed>) = 0 [pid 7017] set_robust_list(0x55558c953660, 24 [pid 7016] setpgid(0, 0 [pid 7015] <... bpf resumed>) = 5 [pid 7017] <... set_robust_list resumed>) = 0 [pid 7016] <... setpgid resumed>) = 0 [pid 7017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7017] <... prctl resumed>) = 0 [pid 7017] setpgid(0, 0 [pid 7016] <... openat resumed>) = 3 [pid 7015] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7014] <... bpf resumed>) = 6 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7017 [pid 7017] <... setpgid resumed>) = 0 [pid 7016] write(3, "1000", 4 [pid 7014] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7016] <... write resumed>) = 4 [pid 7015] <... bpf resumed>) = 6 [pid 7014] <... bpf resumed>) = 7 [pid 7017] <... openat resumed>) = 3 [pid 7016] close(3 [pid 7015] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7017] write(3, "1000", 4 [pid 7016] <... close resumed>) = 0 [pid 7015] <... bpf resumed>) = 7 [pid 7014] exit_group(0executing program [pid 7017] <... write resumed>) = 4 [pid 7016] write(1, "executing program\n", 18 [pid 7015] exit_group(0 [pid 7017] close(3 [pid 7016] <... write resumed>) = 18 [pid 7016] perf_event_open(executing program [pid 7014] <... exit_group resumed>) = ? [pid 7016] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7017] <... close resumed>) = 0 [pid 7016] perf_event_open( [pid 7015] <... exit_group resumed>) = ? [pid 7017] write(1, "executing program\n", 18 [pid 7016] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7017] <... write resumed>) = 18 [pid 7017] perf_event_open(./strace-static-x86_64: Process 7018 attached {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7016] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7015] +++ exited with 0 +++ [pid 7014] +++ exited with 0 +++ [pid 7018] set_robust_list(0x55558c953660, 24 [pid 7017] perf_event_open( [pid 7016] <... bpf resumed>) = 5 [pid 7018] <... set_robust_list resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7017] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7016] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7018 [pid 7018] <... prctl resumed>) = 0 [pid 7017] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7018] setpgid(0, 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7018] <... setpgid resumed>) = 0 [pid 7018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7019 attached [pid 7017] <... bpf resumed>) = 5 [pid 7018] write(3, "1000", 4 [pid 7017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7016] <... bpf resumed>) = 6 executing program [pid 7018] <... write resumed>) = 4 [pid 7018] close(3) = 0 [pid 7018] write(1, "executing program\n", 18 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7019 [pid 7018] <... write resumed>) = 18 ./strace-static-x86_64: Process 7020 attached [pid 7018] perf_event_open( [pid 7020] set_robust_list(0x55558c953660, 24 [pid 7018] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7019] set_robust_list(0x55558c953660, 24) = 0 [pid 7016] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7020 [pid 7020] <... set_robust_list resumed>) = 0 [pid 7018] perf_event_open( [pid 7020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7018] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7016] <... bpf resumed>) = 7 [pid 7019] <... prctl resumed>) = 0 [pid 7019] setpgid(0, 0 [pid 7016] exit_group(0 [pid 7019] <... setpgid resumed>) = 0 [pid 7016] <... exit_group resumed>) = ? [pid 7020] <... prctl resumed>) = 0 [pid 7019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7018] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7017] <... bpf resumed>) = 6 [pid 7020] setpgid(0, 0) = 0 [pid 7019] <... openat resumed>) = 3 [pid 7018] <... bpf resumed>) = 5 [pid 7017] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7019] write(3, "1000", 4 [pid 7018] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7016] +++ exited with 0 +++ [pid 7020] <... openat resumed>) = 3 [pid 7019] <... write resumed>) = 4 [pid 7017] <... bpf resumed>) = 7 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7016, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7019] close(3executing program ) = 0 [pid 7019] write(1, "executing program\n", 18) = 18 [pid 7019] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7019] perf_event_open( [pid 7020] write(3, "1000", 4 [pid 7019] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7018] <... bpf resumed>) = 6 [pid 7017] exit_group(0 [pid 7020] <... write resumed>) = 4 [pid 7020] close(3) = 0 [pid 7019] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7018] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7020] write(1, "executing program\n", 18 [pid 7017] <... exit_group resumed>) = ? executing program [pid 7018] <... bpf resumed>) = 7 [pid 7020] <... write resumed>) = 18 [pid 7019] <... bpf resumed>) = 5 [pid 7018] exit_group(0 [pid 7017] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7019] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7020] perf_event_open( [pid 7018] <... exit_group resumed>) = ? [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7021 attached ./strace-static-x86_64: Process 7022 attached [pid 7021] set_robust_list(0x55558c953660, 24 [pid 7020] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7019] <... bpf resumed>) = 6 [pid 7018] +++ exited with 0 +++ [pid 7021] <... set_robust_list resumed>) = 0 [pid 7022] set_robust_list(0x55558c953660, 24 [pid 7021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7020] perf_event_open( [pid 7019] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7021 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7022 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7022] <... set_robust_list resumed>) = 0 [pid 7021] <... prctl resumed>) = 0 [pid 7020] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7019] <... bpf resumed>) = 7 [pid 7022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7021] setpgid(0, 0 [pid 7022] <... prctl resumed>) = 0 [pid 7021] <... setpgid resumed>) = 0 [pid 7019] exit_group(0 [pid 7022] setpgid(0, 0 [pid 7021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7020] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7022] <... setpgid resumed>) = 0 [pid 7021] <... openat resumed>) = 3 [pid 7020] <... bpf resumed>) = 5 [pid 7019] <... exit_group resumed>) = ? [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7023 attached [pid 7022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7021] write(3, "1000", 4 [pid 7020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7019] +++ exited with 0 +++ [pid 7023] set_robust_list(0x55558c953660, 24 [pid 7022] <... openat resumed>) = 3 [pid 7021] <... write resumed>) = 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7021] close(3 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7023 [pid 7023] <... set_robust_list resumed>) = 0 [pid 7022] write(3, "1000", 4 [pid 7021] <... close resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7022] <... write resumed>) = 4 executing program [pid 7021] write(1, "executing program\n", 18 [pid 7023] <... prctl resumed>) = 0 [pid 7022] close(3 [pid 7021] <... write resumed>) = 18 [pid 7020] <... bpf resumed>) = 6 [pid 7023] setpgid(0, 0 [pid 7022] <... close resumed>) = 0 [pid 7020] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7022] write(1, "executing program\n", 18 [pid 7021] perf_event_open( [pid 7023] <... setpgid resumed>) = 0 [pid 7023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7020] <... bpf resumed>) = 7 [pid 7023] <... openat resumed>) = 3 [pid 7020] exit_group(0executing program [pid 7023] write(3, "1000", 4./strace-static-x86_64: Process 7024 attached ) = 4 [pid 7022] <... write resumed>) = 18 [pid 7021] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7020] <... exit_group resumed>) = ? [pid 7024] set_robust_list(0x55558c953660, 24 [pid 7023] close(3 [pid 7022] perf_event_open( [pid 7021] perf_event_open( [pid 7024] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7024 [pid 7023] <... close resumed>) = 0 [pid 7024] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 7023] write(1, "executing program\n", 18 [pid 7021] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7024] <... prctl resumed>) = 0 [pid 7023] <... write resumed>) = 18 [pid 7022] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7021] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7023] perf_event_open( [pid 7022] perf_event_open( [pid 7024] setpgid(0, 0) = 0 [pid 7022] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7021] <... bpf resumed>) = 5 [pid 7024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7024] <... openat resumed>) = 3 [pid 7023] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 7021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7020] +++ exited with 0 +++ [pid 7023] perf_event_open( [pid 7022] <... bpf resumed>) = 5 [pid 7024] write(3, "1000", 4) = 4 [pid 7024] close(3 [pid 7023] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7024] <... close resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7020, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7024] write(1, "executing program\n", 18 [pid 7022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7024] <... write resumed>) = 18 [pid 7023] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7024] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7024] perf_event_open( [pid 7023] <... bpf resumed>) = 5 [pid 7022] <... bpf resumed>) = 6 [pid 7021] <... bpf resumed>) = 6 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7024] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7021] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7024] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7022] <... bpf resumed>) = 7 [pid 7024] <... bpf resumed>) = 5 [pid 7022] exit_group(0 [pid 7021] <... bpf resumed>) = 7 [pid 7024] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7022] <... exit_group resumed>) = ? [pid 7023] <... bpf resumed>) = 6 [pid 7021] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7021] <... exit_group resumed>) = ? [pid 7022] +++ exited with 0 +++ [pid 7023] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7025 attached [pid 7024] <... bpf resumed>) = 6 [pid 7021] +++ exited with 0 +++ [pid 7025] set_robust_list(0x55558c953660, 24 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7025] <... set_robust_list resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7024] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7023] <... bpf resumed>) = 7 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7025 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7024] <... bpf resumed>) = 7 [pid 7023] exit_group(0 [pid 7024] exit_group(0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7024] <... exit_group resumed>) = ? [pid 7023] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7026 attached [pid 7025] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7027 attached [pid 7026] set_robust_list(0x55558c953660, 24 [pid 7025] setpgid(0, 0 [pid 7026] <... set_robust_list resumed>) = 0 [pid 7027] set_robust_list(0x55558c953660, 24 [pid 7026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7025] <... setpgid resumed>) = 0 [pid 7023] +++ exited with 0 +++ [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7027 [pid 7026] <... prctl resumed>) = 0 [pid 7027] <... set_robust_list resumed>) = 0 [pid 7025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7026 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7026] setpgid(0, 0) = 0 [pid 7025] <... openat resumed>) = 3 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7027] <... prctl resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7027] setpgid(0, 0 [pid 7026] <... openat resumed>) = 3 [pid 7025] write(3, "1000", 4 [pid 7027] <... setpgid resumed>) = 0 [pid 7026] write(3, "1000", 4 [pid 7025] <... write resumed>) = 4 [pid 7027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7026] <... write resumed>) = 4 [pid 7025] close(3 [pid 7026] close(3) = 0 [pid 7025] <... close resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7028 attached executing program [pid 7027] <... openat resumed>) = 3 [pid 7026] write(1, "executing program\n", 18 [pid 7025] write(1, "executing program\n", 18) = 18 executing program [pid 7025] perf_event_open( [pid 7027] write(3, "1000", 4 [pid 7026] <... write resumed>) = 18 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7028 [pid 7028] set_robust_list(0x55558c953660, 24 [pid 7027] <... write resumed>) = 4 [pid 7026] perf_event_open( [pid 7027] close(3 [pid 7028] <... set_robust_list resumed>) = 0 [pid 7027] <... close resumed>) = 0 executing program [pid 7028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7027] write(1, "executing program\n", 18) = 18 [pid 7028] <... prctl resumed>) = 0 [pid 7028] setpgid(0, 0) = 0 [pid 7027] perf_event_open( [pid 7028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7028] write(3, "1000", 4) = 4 [pid 7028] close(3) = 0 [pid 7027] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7026] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7025] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7024] +++ exited with 0 +++ executing program [pid 7028] write(1, "executing program\n", 18 [pid 7026] perf_event_open( [pid 7025] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7024, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7028] <... write resumed>) = 18 [pid 7027] perf_event_open( [pid 7026] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7027] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7025] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7028] perf_event_open( [pid 7027] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7026] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7028] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7027] <... bpf resumed>) = 5 [pid 7025] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7026] <... bpf resumed>) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7028] perf_event_open( [pid 7027] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7025] <... bpf resumed>) = 5 [pid 7026] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7029 attached [pid 7028] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7026] <... bpf resumed>) = 6 [pid 7029] set_robust_list(0x55558c953660, 24 [pid 7028] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7027] <... bpf resumed>) = 6 [pid 7025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7029] <... set_robust_list resumed>) = 0 [pid 7028] <... bpf resumed>) = 5 [pid 7026] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7027] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7029 [pid 7027] <... bpf resumed>) = 7 [pid 7027] exit_group(0) = ? [pid 7029] setpgid(0, 0 [pid 7028] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7026] <... bpf resumed>) = 7 [pid 7025] <... bpf resumed>) = 6 [pid 7029] <... setpgid resumed>) = 0 [pid 7026] exit_group(0 [pid 7029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7026] <... exit_group resumed>) = ? [pid 7028] <... bpf resumed>) = 6 [pid 7025] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7029] write(3, "1000", 4) = 4 [pid 7029] close(3) = 0 [pid 7029] write(1, "executing program\n", 18) = 18 [pid 7029] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7029] perf_event_open(executing program {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7028] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7027] +++ exited with 0 +++ [pid 7025] <... bpf resumed>) = 7 [pid 7029] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7028] <... bpf resumed>) = 7 [pid 7026] +++ exited with 0 +++ [pid 7029] <... bpf resumed>) = 5 [pid 7025] exit_group(0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7028] exit_group(0) = ? [pid 7025] <... exit_group resumed>) = ? [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7029] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7029] <... bpf resumed>) = 6 [pid 7028] +++ exited with 0 +++ [pid 7025] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] <... restart_syscall resumed>) = 0 [pid 7029] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7029] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7030 attached [pid 7029] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7028, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7030 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7029] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7032 attached ./strace-static-x86_64: Process 7031 attached [pid 7031] set_robust_list(0x55558c953660, 24 [pid 7030] set_robust_list(0x55558c953660, 24 [pid 7031] <... set_robust_list resumed>) = 0 [pid 7030] <... set_robust_list resumed>) = 0 [pid 7032] set_robust_list(0x55558c953660, 24 [pid 7031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7032] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7032 [pid 7030] <... prctl resumed>) = 0 [pid 7031] <... prctl resumed>) = 0 [pid 7030] setpgid(0, 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7031] setpgid(0, 0 [pid 7030] <... setpgid resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7031 ./strace-static-x86_64: Process 7033 attached [pid 7032] <... prctl resumed>) = 0 [pid 7031] <... setpgid resumed>) = 0 [pid 7030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7033] set_robust_list(0x55558c953660, 24 [pid 7032] setpgid(0, 0 [pid 7031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7033] <... set_robust_list resumed>) = 0 [pid 7032] <... setpgid resumed>) = 0 [pid 7031] <... openat resumed>) = 3 [pid 7030] <... openat resumed>) = 3 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7033 [pid 7033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7031] write(3, "1000", 4 [pid 7033] <... prctl resumed>) = 0 [pid 7030] write(3, "1000", 4executing program [pid 7032] <... openat resumed>) = 3 [pid 7030] <... write resumed>) = 4 [pid 7031] <... write resumed>) = 4 [pid 7030] close(3) = 0 [pid 7032] write(3, "1000", 4 [pid 7030] write(1, "executing program\n", 18 [pid 7033] setpgid(0, 0 [pid 7032] <... write resumed>) = 4 [pid 7031] close(3 [pid 7030] <... write resumed>) = 18 executing program executing program [pid 7033] <... setpgid resumed>) = 0 [pid 7032] close(3 [pid 7031] <... close resumed>) = 0 [pid 7030] perf_event_open( [pid 7031] write(1, "executing program\n", 18 [pid 7032] <... close resumed>) = 0 [pid 7031] <... write resumed>) = 18 [pid 7033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7032] write(1, "executing program\n", 18) = 18 [pid 7031] perf_event_open( [pid 7032] perf_event_open( [pid 7033] <... openat resumed>) = 3 [pid 7032] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7031] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7030] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7029] +++ exited with 0 +++ [pid 7033] write(3, "1000", 4 [pid 7032] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7033] <... write resumed>) = 4 [pid 7032] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7031] perf_event_open( [pid 7030] perf_event_open( [pid 7033] close(3 [pid 7032] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7031] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7030] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7033] <... close resumed>) = 0 [pid 7032] <... bpf resumed>) = 5 [pid 7031] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7030] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7033] write(1, "executing program\n", 18 [pid 7032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program ./strace-static-x86_64: Process 7034 attached [pid 7033] <... write resumed>) = 18 [pid 7031] <... bpf resumed>) = 5 [pid 7030] <... bpf resumed>) = 5 [pid 7034] set_robust_list(0x55558c953660, 24 [pid 7033] perf_event_open( [pid 7031] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7030] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7033] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7032] <... bpf resumed>) = 6 [pid 7033] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7032] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7033] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7032] <... bpf resumed>) = 7 [pid 7030] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7034 [pid 7033] <... bpf resumed>) = 5 [pid 7033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7034] <... set_robust_list resumed>) = 0 [pid 7032] exit_group(0 [pid 7031] <... bpf resumed>) = 6 [pid 7030] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7032] <... exit_group resumed>) = ? [pid 7031] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7030] <... bpf resumed>) = 7 [pid 7034] <... prctl resumed>) = 0 [pid 7033] <... bpf resumed>) = 6 [pid 7032] +++ exited with 0 +++ [pid 7031] <... bpf resumed>) = 7 [pid 7030] exit_group(0 [pid 7034] setpgid(0, 0) = 0 [pid 7034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7033] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7030] <... exit_group resumed>) = ? [pid 7034] <... openat resumed>) = 3 [pid 7031] exit_group(0 [pid 7033] <... bpf resumed>) = 7 [pid 7031] <... exit_group resumed>) = ? [pid 7030] +++ exited with 0 +++ [pid 7034] write(3, "1000", 4 [pid 7033] exit_group(0 [pid 7031] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7034] <... write resumed>) = 4 [pid 7033] <... exit_group resumed>) = ? [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7034] close(3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7035 attached [pid 7034] <... close resumed>) = 0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5872] restart_syscall(<... resuming interrupted clone ...>executing program [pid 7035] set_robust_list(0x55558c953660, 24 [pid 7034] write(1, "executing program\n", 18 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7035] <... set_robust_list resumed>) = 0 [pid 7034] <... write resumed>) = 18 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7035 [pid 7035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7034] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7035] <... prctl resumed>) = 0 [pid 7035] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7036 attached [pid 7035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7036] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7036 [pid 7036] <... set_robust_list resumed>) = 0 [pid 7035] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7037 attached [pid 7037] set_robust_list(0x55558c953660, 24 [pid 7036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7035] write(3, "1000", 4 [pid 7034] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7033] +++ exited with 0 +++ [pid 7037] <... set_robust_list resumed>) = 0 [pid 7036] <... prctl resumed>) = 0 [pid 7037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7036] setpgid(0, 0 [pid 7035] <... write resumed>) = 4 [pid 7034] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7037 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7037] <... prctl resumed>) = 0 [pid 7036] <... setpgid resumed>) = 0 [pid 7035] close(3 [pid 7037] setpgid(0, 0 [pid 7036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7035] <... close resumed>) = 0 [pid 7034] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7035] write(1, "executing program\n", 18executing program [pid 7037] <... setpgid resumed>) = 0 [pid 7035] <... write resumed>) = 18 [pid 7034] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7036] <... openat resumed>) = 3 [pid 7035] perf_event_open( [pid 7034] <... bpf resumed>) = 5 [pid 7037] <... openat resumed>) = 3 [pid 7036] write(3, "1000", 4) = 4 [pid 7036] close(3./strace-static-x86_64: Process 7038 attached [pid 7037] write(3, "1000", 4 [pid 7036] <... close resumed>) = 0 [pid 7035] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7034] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7038] set_robust_list(0x55558c953660, 24 [pid 7037] <... write resumed>) = 4 [pid 7036] write(1, "executing program\n", 18 [pid 7035] perf_event_open( [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7038 [pid 7038] <... set_robust_list resumed>) = 0 [pid 7037] close(3executing program executing program [pid 7038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7037] <... close resumed>) = 0 [pid 7036] <... write resumed>) = 18 [pid 7036] perf_event_open( [pid 7035] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7037] write(1, "executing program\n", 18 [pid 7038] <... prctl resumed>) = 0 [pid 7037] <... write resumed>) = 18 [pid 7038] setpgid(0, 0 [pid 7037] perf_event_open( [pid 7038] <... setpgid resumed>) = 0 [pid 7037] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7036] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7035] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7037] perf_event_open( [pid 7036] perf_event_open( [pid 7034] <... bpf resumed>) = 6 [pid 7037] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7036] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7034] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7038] <... openat resumed>) = 3 [pid 7037] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7036] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7035] <... bpf resumed>) = 5 [pid 7038] write(3, "1000", 4 [pid 7037] <... bpf resumed>) = 5 [pid 7034] <... bpf resumed>) = 7 [pid 7036] <... bpf resumed>) = 5 [pid 7035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7038] <... write resumed>) = 4 [pid 7037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7038] close(3 [pid 7036] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7034] exit_group(0 [pid 7038] <... close resumed>) = 0 [pid 7035] <... bpf resumed>) = 6 [pid 7038] write(1, "executing program\n", 18 [pid 7034] <... exit_group resumed>) = ? [pid 7037] <... bpf resumed>) = 6 executing program [pid 7037] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7038] <... write resumed>) = 18 [pid 7036] <... bpf resumed>) = 6 [pid 7035] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7034] +++ exited with 0 +++ [pid 7038] perf_event_open( [pid 7036] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7037] <... bpf resumed>) = 7 [pid 7038] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7037] exit_group(0 [pid 7036] <... bpf resumed>) = 7 [pid 7035] <... bpf resumed>) = 7 [pid 7036] exit_group(0 [pid 7035] exit_group(0 [pid 7038] perf_event_open( [pid 7037] <... exit_group resumed>) = ? [pid 7036] <... exit_group resumed>) = ? [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7035] <... exit_group resumed>) = ? [pid 7038] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7039 attached [pid 7037] +++ exited with 0 +++ [pid 7036] +++ exited with 0 +++ [pid 7035] +++ exited with 0 +++ [pid 7039] set_robust_list(0x55558c953660, 24 [pid 7038] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7039 [pid 7039] <... set_robust_list resumed>) = 0 [pid 7038] <... bpf resumed>) = 5 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7036, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7038] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7040 attached [pid 7039] <... prctl resumed>) = 0 [pid 7038] <... bpf resumed>) = 6 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7040] set_robust_list(0x55558c953660, 24 [pid 7039] setpgid(0, 0 [pid 7038] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7040] <... set_robust_list resumed>) = 0 [pid 7039] <... setpgid resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7040 [pid 7040] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7042 attached ) = 0 [pid 7039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7038] exit_group(0./strace-static-x86_64: Process 7041 attached [pid 7042] set_robust_list(0x55558c953660, 24 [pid 7040] setpgid(0, 0 [pid 7039] <... openat resumed>) = 3 [pid 7042] <... set_robust_list resumed>) = 0 [pid 7041] set_robust_list(0x55558c953660, 24 [pid 7040] <... setpgid resumed>) = 0 [pid 7039] write(3, "1000", 4 [pid 7038] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7041 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7042 [pid 7042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7041] <... set_robust_list resumed>) = 0 [pid 7040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7039] <... write resumed>) = 4 [pid 7039] close(3 [pid 7042] <... prctl resumed>) = 0 [pid 7041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7040] <... openat resumed>) = 3 [pid 7042] setpgid(0, 0 [pid 7039] <... close resumed>) = 0 [pid 7040] write(3, "1000", 4 [pid 7042] <... setpgid resumed>) = 0 executing program [pid 7041] <... prctl resumed>) = 0 [pid 7040] <... write resumed>) = 4 [pid 7039] write(1, "executing program\n", 18 [pid 7042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7040] close(3 [pid 7039] <... write resumed>) = 18 [pid 7041] setpgid(0, 0 [pid 7040] <... close resumed>) = 0 executing program [pid 7039] perf_event_open( [pid 7042] <... openat resumed>) = 3 [pid 7040] write(1, "executing program\n", 18 [pid 7042] write(3, "1000", 4 [pid 7041] <... setpgid resumed>) = 0 [pid 7040] <... write resumed>) = 18 [pid 7042] <... write resumed>) = 4 [pid 7040] perf_event_open( [pid 7042] close(3) = 0 [pid 7041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7042] write(1, "executing program\n", 18executing program ) = 18 [pid 7041] <... openat resumed>) = 3 [pid 7042] perf_event_open( [pid 7041] write(3, "1000", 4) = 4 [pid 7041] close(3 [pid 7040] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7039] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7038] +++ exited with 0 +++ [pid 7041] <... close resumed>) = 0 [pid 7042] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7040] perf_event_open( [pid 7042] perf_event_open( [pid 7041] write(1, "executing program\n", 18 [pid 7040] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 7039] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7042] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7041] <... write resumed>) = 18 [pid 7040] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7041] perf_event_open( [pid 7039] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7040] <... bpf resumed>) = 5 [pid 7041] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7040] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7043 attached [pid 7042] <... bpf resumed>) = 5 [pid 7041] perf_event_open( [pid 7039] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7043] set_robust_list(0x55558c953660, 24) = 0 [pid 7042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7041] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7040] <... bpf resumed>) = 6 [pid 7039] <... bpf resumed>) = 5 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7043 [pid 7041] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7039] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7043] <... prctl resumed>) = 0 [pid 7040] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7043] setpgid(0, 0 [pid 7040] <... bpf resumed>) = 7 [pid 7043] <... setpgid resumed>) = 0 [pid 7043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7040] exit_group(0 [pid 7039] <... bpf resumed>) = 6 [pid 7043] <... openat resumed>) = 3 [pid 7043] write(3, "1000", 4 [pid 7041] <... bpf resumed>) = 5 [pid 7040] <... exit_group resumed>) = ? [pid 7043] <... write resumed>) = 4 [pid 7042] <... bpf resumed>) = 6 [pid 7041] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7039] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7043] close(3 [pid 7042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7040] +++ exited with 0 +++ [pid 7043] <... close resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7040, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- executing program [pid 7043] write(1, "executing program\n", 18 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7043] <... write resumed>) = 18 [pid 7043] perf_event_open( [pid 7042] <... bpf resumed>) = 7 [pid 7041] <... bpf resumed>) = 6 [pid 7039] <... bpf resumed>) = 7 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7043] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7042] exit_group(0 [pid 7041] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7039] exit_group(0 [pid 7041] <... bpf resumed>) = 7 [pid 7043] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7042] <... exit_group resumed>) = ? [pid 7039] <... exit_group resumed>) = ? [pid 7041] exit_group(0 [pid 7043] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 7041] <... exit_group resumed>) = ? [pid 7043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7042] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7044 attached ) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7044] set_robust_list(0x55558c953660, 24 [pid 7039] +++ exited with 0 +++ [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7044 [pid 7041] +++ exited with 0 +++ ./strace-static-x86_64: Process 7045 attached [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7041, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7044] <... set_robust_list resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7045] set_robust_list(0x55558c953660, 24 [pid 7044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7043] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7045 ./strace-static-x86_64: Process 7046 attached [pid 7045] <... set_robust_list resumed>) = 0 [pid 7045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7046] set_robust_list(0x55558c953660, 24 [pid 7045] <... prctl resumed>) = 0 [pid 7044] <... prctl resumed>) = 0 [pid 7043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7046 [pid 7046] <... set_robust_list resumed>) = 0 [pid 7045] setpgid(0, 0 [pid 7044] setpgid(0, 0 [pid 7043] <... bpf resumed>) = 7 [pid 7046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7045] <... setpgid resumed>) = 0 [pid 7044] <... setpgid resumed>) = 0 [pid 7043] exit_group(0 [pid 7045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7043] <... exit_group resumed>) = ? [pid 7046] <... prctl resumed>) = 0 [pid 7046] setpgid(0, 0 [pid 7044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7046] <... setpgid resumed>) = 0 [pid 7046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7047 attached ) = 3 [pid 7045] <... openat resumed>) = 3 [pid 7046] write(3, "1000", 4) = 4 [pid 7045] write(3, "1000", 4 [pid 7044] <... openat resumed>) = 3 [pid 7047] set_robust_list(0x55558c953660, 24 [pid 7045] <... write resumed>) = 4 [pid 7044] write(3, "1000", 4 [pid 7047] <... set_robust_list resumed>) = 0 [pid 7045] close(3 [pid 7046] close(3 [pid 7047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7046] <... close resumed>) = 0 [pid 7045] <... close resumed>) = 0 [pid 7046] write(1, "executing program\n", 18 [pid 7045] write(1, "executing program\n", 18 [pid 7044] <... write resumed>) = 4 executing program executing program [pid 7046] <... write resumed>) = 18 executing program [pid 7045] <... write resumed>) = 18 [pid 7044] close(3 [pid 7046] perf_event_open( [pid 7045] perf_event_open( [pid 7047] <... prctl resumed>) = 0 [pid 7044] <... close resumed>) = 0 [pid 7044] write(1, "executing program\n", 18 [pid 7047] setpgid(0, 0 [pid 7044] <... write resumed>) = 18 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7047 [pid 7047] <... setpgid resumed>) = 0 [pid 7047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7044] perf_event_open( [pid 7047] <... openat resumed>) = 3 [pid 7046] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7045] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7044] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7043] +++ exited with 0 +++ [pid 7047] write(3, "1000", 4 [pid 7046] perf_event_open( [pid 7044] perf_event_open( [pid 7047] <... write resumed>) = 4 [pid 7045] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7047] close(3 [pid 7046] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7044] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7047] <... close resumed>) = 0 [pid 7046] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7044] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7047] write(1, "executing program\n", 18executing program [pid 7045] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7047] <... write resumed>) = 18 [pid 7044] <... bpf resumed>) = 5 [pid 7047] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7044] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7047] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7046] <... bpf resumed>) = 5 [pid 7045] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7047] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7045] <... bpf resumed>) = 5 [pid 7044] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7048 attached [pid 7047] <... bpf resumed>) = 5 [pid 7045] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7048] set_robust_list(0x55558c953660, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7048 [pid 7047] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7048] <... set_robust_list resumed>) = 0 [pid 7046] <... bpf resumed>) = 6 [pid 7045] <... bpf resumed>) = 6 [pid 7044] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7045] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7048] setpgid(0, 0 [pid 7044] <... bpf resumed>) = 7 [pid 7045] <... bpf resumed>) = 7 [pid 7048] <... setpgid resumed>) = 0 [pid 7048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7044] exit_group(0 [pid 7048] <... openat resumed>) = 3 [pid 7045] exit_group(0 [pid 7044] <... exit_group resumed>) = ? [pid 7048] write(3, "1000", 4 [pid 7047] <... bpf resumed>) = 6 [pid 7046] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7045] <... exit_group resumed>) = ? [pid 7048] <... write resumed>) = 4 [pid 7048] close(3 [pid 7047] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7046] <... bpf resumed>) = 7 [pid 7044] +++ exited with 0 +++ [pid 7048] <... close resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7044, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- executing program [pid 7048] write(1, "executing program\n", 18) = 18 [pid 7047] <... bpf resumed>) = 7 [pid 7048] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7047] exit_group(0 [pid 7046] exit_group(0 [pid 7045] +++ exited with 0 +++ [pid 7048] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7047] <... exit_group resumed>) = ? [pid 7046] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7049 attached [pid 7048] perf_event_open( [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7049] set_robust_list(0x55558c953660, 24 [pid 7048] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7049 [pid 7049] <... set_robust_list resumed>) = 0 [pid 7049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7048] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7049] <... prctl resumed>) = 0 [pid 7048] <... bpf resumed>) = 5 [pid 7049] setpgid(0, 0 [pid 7048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7049] <... setpgid resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7047] +++ exited with 0 +++ [pid 7049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7049] <... openat resumed>) = 3 [pid 7048] <... bpf resumed>) = 6 [pid 7046] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7046, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7049] write(3, "1000", 4./strace-static-x86_64: Process 7050 attached ) = 4 [pid 7048] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7050] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7050 [pid 7050] <... set_robust_list resumed>) = 0 [pid 7050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7049] close(3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7050] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7051 attached [pid 7049] <... close resumed>) = 0 [pid 7048] <... bpf resumed>) = 7 [pid 7051] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7051 [pid 7051] <... set_robust_list resumed>) = 0 [pid 7050] setpgid(0, 0 [pid 7049] write(1, "executing program\n", 18 [pid 7048] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7050] <... setpgid resumed>) = 0 [pid 7049] <... write resumed>) = 18 [pid 7051] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7052 attached [pid 7050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7049] perf_event_open( [pid 7048] <... exit_group resumed>) = ? [pid 7052] set_robust_list(0x55558c953660, 24 [pid 7051] setpgid(0, 0 [pid 7049] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7050] <... openat resumed>) = 3 [pid 7049] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7052 [pid 7049] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7049] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7052] <... set_robust_list resumed>) = 0 [pid 7051] <... setpgid resumed>) = 0 [pid 7050] write(3, "1000", 4 [pid 7048] +++ exited with 0 +++ [pid 7050] <... write resumed>) = 4 [pid 7052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7050] close(3 [pid 7049] <... bpf resumed>) = 5 [pid 7052] <... prctl resumed>) = 0 [pid 7050] <... close resumed>) = 0 [pid 7049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7048, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7052] setpgid(0, 0 [pid 7051] <... openat resumed>) = 3 [pid 7050] write(1, "executing program\n", 18 [pid 7052] <... setpgid resumed>) = 0 [pid 7051] write(3, "1000", 4 [pid 7050] <... write resumed>) = 18 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7050] perf_event_open( [pid 7049] <... bpf resumed>) = 6 [pid 7051] <... write resumed>) = 4 [pid 7050] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7051] close(3 [pid 7052] <... openat resumed>) = 3 [pid 7051] <... close resumed>) = 0 [pid 7050] perf_event_open(executing program [pid 7051] write(1, "executing program\n", 18 [pid 7050] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7049] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7052] write(3, "1000", 4 [pid 7051] <... write resumed>) = 18 [pid 7052] <... write resumed>) = 4 [pid 7051] perf_event_open( [pid 7052] close(3 [pid 7050] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7049] <... bpf resumed>) = 7 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7052] <... close resumed>) = 0 [pid 7051] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7050] <... bpf resumed>) = 5 executing program [pid 7052] write(1, "executing program\n", 18 [pid 7051] perf_event_open( [pid 7050] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7052] <... write resumed>) = 18 [pid 7052] perf_event_open( [pid 7051] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7049] exit_group(0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7052] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7051] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7050] <... bpf resumed>) = 6 [pid 7049] <... exit_group resumed>) = ? [pid 7052] perf_event_open( [pid 7051] <... bpf resumed>) = 5 [pid 7052] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7053 attached [pid 7052] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7051] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7050] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7053] set_robust_list(0x55558c953660, 24 [pid 7052] <... bpf resumed>) = 5 [pid 7050] <... bpf resumed>) = 7 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7053 [pid 7053] <... set_robust_list resumed>) = 0 [pid 7052] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7050] exit_group(0 [pid 7053] <... prctl resumed>) = 0 [pid 7051] <... bpf resumed>) = 6 [pid 7053] setpgid(0, 0 [pid 7050] <... exit_group resumed>) = ? [pid 7049] +++ exited with 0 +++ [pid 7052] <... bpf resumed>) = 6 [pid 7051] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7049, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7053] <... setpgid resumed>) = 0 [pid 7052] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7052] <... bpf resumed>) = 7 [pid 7051] <... bpf resumed>) = 7 [pid 7052] exit_group(0 [pid 7050] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7053] <... openat resumed>) = 3 [pid 7051] exit_group(0./strace-static-x86_64: Process 7054 attached [pid 7052] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7053] write(3, "1000", 4 [pid 7051] <... exit_group resumed>) = ? [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7054] set_robust_list(0x55558c953660, 24 [pid 7053] <... write resumed>) = 4 [pid 7052] +++ exited with 0 +++ [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7054 [pid 7054] <... set_robust_list resumed>) = 0 [pid 7054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7052, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7054] <... prctl resumed>) = 0 [pid 7054] setpgid(0, 0 [pid 7053] close(3 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... restart_syscall resumed>) = 0 [pid 7054] <... setpgid resumed>) = 0 executing program [pid 7054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7053] <... close resumed>) = 0 [pid 7053] write(1, "executing program\n", 18) = 18 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7054] <... openat resumed>) = 3 [pid 7053] perf_event_open(./strace-static-x86_64: Process 7055 attached [pid 7054] write(3, "1000", 4 [pid 7055] set_robust_list(0x55558c953660, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7055] <... set_robust_list resumed>) = 0 [pid 7054] <... write resumed>) = 4 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7055 [pid 7054] close(3) = 0 [pid 7054] write(1, "executing program\n", 18) = 18 [pid 7054] perf_event_open( [pid 7055] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7056 attached [pid 7054] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7053] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7051] +++ exited with 0 +++ [pid 7055] <... prctl resumed>) = 0 [pid 7056] set_robust_list(0x55558c953660, 24) = 0 [pid 7054] perf_event_open( [pid 7055] setpgid(0, 0 [pid 7056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7054] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7053] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7056 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7056] <... prctl resumed>) = 0 [pid 7056] setpgid(0, 0) = 0 [pid 7056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7055] <... setpgid resumed>) = 0 [pid 7053] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7056] <... openat resumed>) = 3 [pid 7055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7054] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7053] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7055] <... openat resumed>) = 3 [pid 7056] write(3, "1000", 4 [pid 7054] <... bpf resumed>) = 5 [pid 7053] <... bpf resumed>) = 5 [pid 7056] <... write resumed>) = 4 [pid 7054] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7056] close(3 [pid 7055] write(3, "1000", 4 [pid 7053] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7056] <... close resumed>) = 0 [pid 7055] <... write resumed>) = 4 [pid 7054] <... bpf resumed>) = 6 [pid 7056] write(1, "executing program\n", 18) = 18 [pid 7054] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program [pid 7056] perf_event_open( [pid 7055] close(3 [pid 7054] <... bpf resumed>) = 7 [pid 7056] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7057 attached [pid 7056] perf_event_open( [pid 7053] <... bpf resumed>) = 6 executing program [pid 7055] <... close resumed>) = 0 [pid 7053] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7055] write(1, "executing program\n", 18 [pid 7057] set_robust_list(0x55558c953660, 24 [pid 7056] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7055] <... write resumed>) = 18 [pid 7054] exit_group(0 [pid 7053] <... bpf resumed>) = 7 [pid 7057] <... set_robust_list resumed>) = 0 [pid 7057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7055] perf_event_open( [pid 7053] exit_group(0 [pid 7056] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7055] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7053] <... exit_group resumed>) = ? [pid 7057] <... prctl resumed>) = 0 [pid 7056] <... bpf resumed>) = 5 [pid 7054] <... exit_group resumed>) = ? [pid 7057] setpgid(0, 0 [pid 7056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7057] <... setpgid resumed>) = 0 [pid 7057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7055] perf_event_open( [pid 7054] +++ exited with 0 +++ [pid 7053] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7057 [pid 7057] <... openat resumed>) = 3 [pid 7055] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7057] write(3, "1000", 4 [pid 7056] <... bpf resumed>) = 6 [pid 7055] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7057] <... write resumed>) = 4 [pid 7056] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7055] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7057] close(3 [pid 7055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 6 executing program [pid 7055] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7058 attached [pid 7057] <... close resumed>) = 0 [pid 7056] <... bpf resumed>) = 7 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7057] write(1, "executing program\n", 18 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7058 [pid 7057] <... write resumed>) = 18 [pid 7058] set_robust_list(0x55558c953660, 24 [pid 7057] perf_event_open( [pid 7055] <... bpf resumed>) = 7 [pid 7056] exit_group(0 [pid 7058] <... set_robust_list resumed>) = 0 [pid 7057] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7057] perf_event_open( [pid 7056] <... exit_group resumed>) = ? [pid 7055] exit_group(0 [pid 7058] <... prctl resumed>) = 0 [pid 7055] <... exit_group resumed>) = ? [pid 7058] setpgid(0, 0 [pid 7057] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7057] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7058] <... setpgid resumed>) = 0 [pid 7056] +++ exited with 0 +++ [pid 7055] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7057] <... bpf resumed>) = 5 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7057] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7059 attached [pid 7058] <... openat resumed>) = 3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7059] set_robust_list(0x55558c953660, 24 [pid 7057] <... bpf resumed>) = 6 [pid 7058] write(3, "1000", 4./strace-static-x86_64: Process 7060 attached [pid 7059] <... set_robust_list resumed>) = 0 [pid 7057] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7059 [pid 7060] set_robust_list(0x55558c953660, 24 [pid 7059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7058] <... write resumed>) = 4 [pid 7057] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7061 attached [pid 7058] close(3 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7060 [pid 7060] <... set_robust_list resumed>) = 0 [pid 7058] <... close resumed>) = 0 [pid 7060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7059] <... prctl resumed>) = 0 executing program [pid 7058] write(1, "executing program\n", 18 [pid 7061] set_robust_list(0x55558c953660, 24 [pid 7060] <... prctl resumed>) = 0 [pid 7059] setpgid(0, 0 [pid 7058] <... write resumed>) = 18 [pid 7057] exit_group(0 [pid 7061] <... set_robust_list resumed>) = 0 [pid 7060] setpgid(0, 0 [pid 7059] <... setpgid resumed>) = 0 [pid 7058] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7061 [pid 7059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7060] <... setpgid resumed>) = 0 [pid 7058] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7057] <... exit_group resumed>) = ? [pid 7061] <... prctl resumed>) = 0 [pid 7060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7059] <... openat resumed>) = 3 [pid 7061] setpgid(0, 0) = 0 [pid 7061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7058] perf_event_open( [pid 7061] <... openat resumed>) = 3 [pid 7060] <... openat resumed>) = 3 [pid 7059] write(3, "1000", 4 [pid 7060] write(3, "1000", 4 [pid 7059] <... write resumed>) = 4 [pid 7061] write(3, "1000", 4 [pid 7060] <... write resumed>) = 4 [pid 7059] close(3 [pid 7060] close(3 [pid 7059] <... close resumed>) = 0 executing program executing program [pid 7061] <... write resumed>) = 4 [pid 7060] <... close resumed>) = 0 [pid 7059] write(1, "executing program\n", 18 [pid 7061] close(3 [pid 7060] write(1, "executing program\n", 18 [pid 7059] <... write resumed>) = 18 [pid 7061] <... close resumed>) = 0 [pid 7060] <... write resumed>) = 18 [pid 7059] perf_event_open(executing program [pid 7061] write(1, "executing program\n", 18 [pid 7060] perf_event_open( [pid 7061] <... write resumed>) = 18 [pid 7061] perf_event_open( [pid 7059] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7058] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7057] +++ exited with 0 +++ [pid 7059] perf_event_open( [pid 7061] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7058] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7060] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7059] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7061] perf_event_open( [pid 7058] <... bpf resumed>) = 5 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7060] perf_event_open( [pid 7058] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7061] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7060] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7059] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7061] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7060] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7061] <... bpf resumed>) = 5 [pid 7059] <... bpf resumed>) = 5 [pid 7058] <... bpf resumed>) = 6 [pid 7061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7060] <... bpf resumed>) = 5 [pid 7059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7058] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7060] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7059] <... bpf resumed>) = 6 [pid 7058] <... bpf resumed>) = 7 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7062 attached [pid 7058] exit_group(0 [pid 7059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7059] exit_group(0 [pid 7060] <... bpf resumed>) = 6 [pid 7062] set_robust_list(0x55558c953660, 24 [pid 7061] <... bpf resumed>) = 6 [pid 7059] <... exit_group resumed>) = ? [pid 7058] <... exit_group resumed>) = ? [pid 7062] <... set_robust_list resumed>) = 0 [pid 7060] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7060] exit_group(0 [pid 7059] +++ exited with 0 +++ [pid 7058] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7062 [pid 7062] <... prctl resumed>) = 0 [pid 7062] setpgid(0, 0 [pid 7061] <... bpf resumed>) = 7 [pid 7060] <... exit_group resumed>) = ? [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7058, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7062] <... setpgid resumed>) = 0 [pid 7061] exit_group(0 [pid 7060] +++ exited with 0 +++ [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] <... restart_syscall resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7063 attached [pid 7062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7061] <... exit_group resumed>) = ? [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7063 [pid 7063] set_robust_list(0x55558c953660, 24 [pid 7062] <... openat resumed>) = 3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7063] <... set_robust_list resumed>) = 0 [pid 7063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7064 attached [pid 7063] setpgid(0, 0 [pid 7062] write(3, "1000", 4 [pid 7064] set_robust_list(0x55558c953660, 24 [pid 7062] <... write resumed>) = 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7064 [pid 7064] <... set_robust_list resumed>) = 0 [pid 7063] <... setpgid resumed>) = 0 [pid 7062] close(3 [pid 7064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7062] <... close resumed>) = 0 [pid 7064] <... prctl resumed>) = 0 [pid 7062] write(1, "executing program\n", 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7064] setpgid(0, 0 [pid 7063] <... openat resumed>) = 3 [pid 7062] <... write resumed>) = 18 [pid 7064] <... setpgid resumed>) = 0 [pid 7063] write(3, "1000", 4 [pid 7062] perf_event_open(./strace-static-x86_64: Process 7065 attached [pid 7064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7063] <... write resumed>) = 4 [pid 7065] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7065 [pid 7063] close(3 [pid 7065] <... set_robust_list resumed>) = 0 [pid 7065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7064] <... openat resumed>) = 3 [pid 7063] <... close resumed>) = 0 [pid 7065] <... prctl resumed>) = 0 [pid 7064] write(3, "1000", 4 [pid 7063] write(1, "executing program\n", 18executing program [pid 7065] setpgid(0, 0 [pid 7064] <... write resumed>) = 4 [pid 7063] <... write resumed>) = 18 [pid 7065] <... setpgid resumed>) = 0 [pid 7064] close(3 [pid 7063] perf_event_open( [pid 7064] <... close resumed>) = 0 [pid 7065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7064] write(1, "executing program\n", 18executing program ) = 18 [pid 7064] perf_event_open( [pid 7065] <... openat resumed>) = 3 [pid 7065] write(3, "1000", 4) = 4 [pid 7065] close(3) = 0 [pid 7065] write(1, "executing program\n", 18executing program ) = 18 [pid 7065] perf_event_open( [pid 7061] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7063] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7063] perf_event_open( [pid 7062] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7065] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7064] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7063] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7062] perf_event_open( [pid 7065] perf_event_open( [pid 7064] perf_event_open( [pid 7062] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7065] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7063] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7065] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7064] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7063] <... bpf resumed>) = 5 [pid 7062] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7065] <... bpf resumed>) = 5 [pid 7063] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7065] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7064] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7062] <... bpf resumed>) = 5 [pid 7064] <... bpf resumed>) = 5 [pid 7065] <... bpf resumed>) = 6 [pid 7063] <... bpf resumed>) = 6 [pid 7062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7064] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7063] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7065] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7062] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7066 attached [pid 7063] <... bpf resumed>) = 7 [pid 7065] <... bpf resumed>) = 7 [pid 7063] exit_group(0 [pid 7066] set_robust_list(0x55558c953660, 24 [pid 7063] <... exit_group resumed>) = ? [pid 7066] <... set_robust_list resumed>) = 0 [pid 7065] exit_group(0 [pid 7066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7065] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7066 [pid 7066] <... prctl resumed>) = 0 [pid 7066] setpgid(0, 0) = 0 [pid 7066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7066] write(3, "1000", 4 [pid 7065] +++ exited with 0 +++ [pid 7064] <... bpf resumed>) = 6 [pid 7063] +++ exited with 0 +++ [pid 7062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7066] <... write resumed>) = 4 [pid 7064] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7066] close(3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7065, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7066] <... close resumed>) = 0 [pid 7062] <... bpf resumed>) = 7 executing program [pid 7066] write(1, "executing program\n", 18 [pid 7064] <... bpf resumed>) = 7 [pid 7062] exit_group(0 [pid 7066] <... write resumed>) = 18 [pid 7062] <... exit_group resumed>) = ? [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7066] perf_event_open( [pid 7064] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7067 attached [pid 7064] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7068 attached [pid 7067] set_robust_list(0x55558c953660, 24 [pid 7066] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7062] +++ exited with 0 +++ [pid 7066] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7068] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7067 [pid 7067] <... set_robust_list resumed>) = 0 [pid 7067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7068] <... set_robust_list resumed>) = 0 [pid 7066] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7064] +++ exited with 0 +++ [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7068 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7064, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] <... restart_syscall resumed>) = 0 [pid 7067] setpgid(0, 0 [pid 7066] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7067] <... setpgid resumed>) = 0 [pid 7066] <... bpf resumed>) = 5 [pid 7068] <... prctl resumed>) = 0 [pid 7067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7068] setpgid(0, 0 [pid 7067] <... openat resumed>) = 3 [pid 7066] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7068] <... setpgid resumed>) = 0 [pid 7068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7067] write(3, "1000", 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7069 attached [pid 7067] <... write resumed>) = 4 [pid 7066] <... bpf resumed>) = 6 [pid 7067] close(3 [pid 7069] set_robust_list(0x55558c953660, 24 [pid 7067] <... close resumed>) = 0 [pid 7066] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7067] write(1, "executing program\n", 18 [pid 7069] <... set_robust_list resumed>) = 0 [pid 7067] <... write resumed>) = 18 [pid 7066] <... bpf resumed>) = 7 [pid 7069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7067] perf_event_open(./strace-static-x86_64: Process 7070 attached [pid 7069] <... prctl resumed>) = 0 [pid 7070] set_robust_list(0x55558c953660, 24 [pid 7069] setpgid(0, 0 [pid 7068] <... openat resumed>) = 3 [pid 7067] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7066] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7069 [pid 7070] <... set_robust_list resumed>) = 0 [pid 7068] write(3, "1000", 4 [pid 7070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7069] <... setpgid resumed>) = 0 [pid 7068] <... write resumed>) = 4 [pid 7067] perf_event_open( [pid 7066] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7070 [pid 7070] <... prctl resumed>) = 0 [pid 7069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7068] close(3 [pid 7067] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7070] setpgid(0, 0 [pid 7068] <... close resumed>) = 0 [pid 7069] <... openat resumed>) = 3 [pid 7070] <... setpgid resumed>) = 0 executing program [pid 7068] write(1, "executing program\n", 18 [pid 7070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7068] <... write resumed>) = 18 [pid 7066] +++ exited with 0 +++ [pid 7067] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7070] <... openat resumed>) = 3 [pid 7069] write(3, "1000", 4 [pid 7068] perf_event_open( [pid 7067] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7066, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7070] write(3, "1000", 4 [pid 7069] <... write resumed>) = 4 [pid 7067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7070] <... write resumed>) = 4 [pid 7069] close(3 [pid 7068] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7069] <... close resumed>) = 0 executing program [pid 7070] close(3 [pid 7069] write(1, "executing program\n", 18 [pid 7068] perf_event_open( [pid 7069] <... write resumed>) = 18 [pid 7070] <... close resumed>) = 0 [pid 7069] perf_event_open( [pid 7068] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7070] write(1, "executing program\n", 18executing program [pid 7069] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7067] <... bpf resumed>) = 6 [pid 7070] <... write resumed>) = 18 [pid 7070] perf_event_open( [pid 7069] perf_event_open( [pid 7068] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7067] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7070] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7069] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7068] <... bpf resumed>) = 5 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7070] perf_event_open( [pid 7069] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7067] <... bpf resumed>) = 7 [pid 7070] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7069] <... bpf resumed>) = 5 [pid 7067] exit_group(0 [pid 7070] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7068] <... bpf resumed>) = 6 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7070] <... bpf resumed>) = 5 [pid 7067] <... exit_group resumed>) = ? [pid 7068] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 ./strace-static-x86_64: Process 7071 attached [pid 7070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7068] exit_group(0 [pid 7071] set_robust_list(0x55558c953660, 24 [pid 7068] <... exit_group resumed>) = ? [pid 7071] <... set_robust_list resumed>) = 0 [pid 7071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7071] setpgid(0, 0) = 0 [pid 7071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 7071] write(3, "1000", 4) = 4 [pid 7071] close(3) = 0 [pid 7071] write(1, "executing program\n", 18) = 18 [pid 7071] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7071] perf_event_open( [pid 7070] <... bpf resumed>) = 6 [pid 7069] <... bpf resumed>) = 6 [pid 7068] +++ exited with 0 +++ [pid 7067] +++ exited with 0 +++ [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7071 [pid 7071] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7071] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 7069] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7070] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7070] <... bpf resumed>) = 7 [pid 7069] <... bpf resumed>) = 7 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7069] exit_group(0./strace-static-x86_64: Process 7072 attached [pid 7071] <... bpf resumed>) = 6 [pid 7070] exit_group(0 [pid 7072] set_robust_list(0x55558c953660, 24) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7072 [pid 7072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7071] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7070] <... exit_group resumed>) = ? [pid 7069] <... exit_group resumed>) = ? [pid 7072] <... prctl resumed>) = 0 [pid 7071] <... bpf resumed>) = 7 [pid 7070] +++ exited with 0 +++ [pid 7069] +++ exited with 0 +++ [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7072] setpgid(0, 0) = 0 [pid 7072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7073 attached [pid 7071] exit_group(0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7070, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7073 [pid 7073] set_robust_list(0x55558c953660, 24 [pid 7072] <... openat resumed>) = 3 [pid 7071] <... exit_group resumed>) = ? [pid 7073] <... set_robust_list resumed>) = 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7072] write(3, "1000", 4 [pid 7073] <... prctl resumed>) = 0 [pid 7072] <... write resumed>) = 4 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7073] setpgid(0, 0 [pid 7072] close(3) = 0 [pid 7073] <... setpgid resumed>) = 0 [pid 7073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7072] write(1, "executing program\n", 18executing program [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7072] <... write resumed>) = 18 [pid 7073] <... openat resumed>) = 3 [pid 7072] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7074 attached [pid 7073] write(3, "1000", 4./strace-static-x86_64: Process 7075 attached [pid 7074] set_robust_list(0x55558c953660, 24 [pid 7075] set_robust_list(0x55558c953660, 24 [pid 7074] <... set_robust_list resumed>) = 0 [pid 7073] <... write resumed>) = 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7074 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7075 [pid 7075] <... set_robust_list resumed>) = 0 [pid 7074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7073] close(3 [pid 7075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7074] <... prctl resumed>) = 0 [pid 7073] <... close resumed>) = 0 [pid 7075] <... prctl resumed>) = 0 executing program [pid 7073] write(1, "executing program\n", 18 [pid 7074] setpgid(0, 0) = 0 [pid 7075] setpgid(0, 0 [pid 7074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7073] <... write resumed>) = 18 [pid 7075] <... setpgid resumed>) = 0 [pid 7075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7074] <... openat resumed>) = 3 [pid 7073] perf_event_open( [pid 7074] write(3, "1000", 4 [pid 7075] <... openat resumed>) = 3 [pid 7075] write(3, "1000", 4 [pid 7074] <... write resumed>) = 4 [pid 7075] <... write resumed>) = 4 [pid 7074] close(3 [pid 7075] close(3executing program ) = 0 [pid 7074] <... close resumed>) = 0 [pid 7075] write(1, "executing program\n", 18) = 18 [pid 7075] perf_event_open( [pid 7074] write(1, "executing program\n", 18executing program [pid 7073] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7072] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7071] +++ exited with 0 +++ [pid 7075] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7074] <... write resumed>) = 18 [pid 7073] perf_event_open( [pid 7072] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7075] perf_event_open( [pid 7074] perf_event_open( [pid 7073] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7072] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7075] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7074] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7072] <... bpf resumed>) = 5 [pid 7075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7074] perf_event_open( [pid 7073] <... bpf resumed>) = 5 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7075] <... bpf resumed>) = 5 [pid 7073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7076 attached [pid 7075] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7074] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7076] set_robust_list(0x55558c953660, 24 [pid 7075] <... bpf resumed>) = 6 [pid 7074] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7073] <... bpf resumed>) = 6 [pid 7076] <... set_robust_list resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7076 [pid 7074] <... bpf resumed>) = 5 [pid 7076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7074] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7076] <... prctl resumed>) = 0 [pid 7076] setpgid(0, 0 [pid 7075] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7073] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7072] <... bpf resumed>) = 6 [pid 7076] <... setpgid resumed>) = 0 [pid 7076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7075] <... bpf resumed>) = 7 [pid 7073] <... bpf resumed>) = 7 [pid 7072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7076] <... openat resumed>) = 3 [pid 7072] <... bpf resumed>) = 7 [pid 7075] exit_group(0 [pid 7073] exit_group(0 [pid 7072] exit_group(0 [pid 7074] <... bpf resumed>) = 6 [pid 7076] write(3, "1000", 4 [pid 7075] <... exit_group resumed>) = ? [pid 7073] <... exit_group resumed>) = ? [pid 7076] <... write resumed>) = 4 [pid 7074] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7072] <... exit_group resumed>) = ? [pid 7076] close(3) = 0 executing program [pid 7074] <... bpf resumed>) = 7 [pid 7076] write(1, "executing program\n", 18) = 18 [pid 7076] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7074] exit_group(0 [pid 7076] perf_event_open( [pid 7074] <... exit_group resumed>) = ? [pid 7076] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7075] +++ exited with 0 +++ [pid 7073] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7076] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7074] +++ exited with 0 +++ [pid 7076] <... bpf resumed>) = 5 [pid 7072] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7072, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7077 attached [pid 7077] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7078 attached ) = 0 [pid 7076] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7077 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7078] set_robust_list(0x55558c953660, 24 [pid 7077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7076] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7078 ./strace-static-x86_64: Process 7079 attached [pid 7078] <... set_robust_list resumed>) = 0 [pid 7077] <... prctl resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7079] set_robust_list(0x55558c953660, 24 [pid 7078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7077] setpgid(0, 0 [pid 7076] <... bpf resumed>) = 7 [pid 7079] <... set_robust_list resumed>) = 0 [pid 7078] <... prctl resumed>) = 0 [pid 7077] <... setpgid resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7079 [pid 7079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7078] setpgid(0, 0 [pid 7077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7076] exit_group(0 [pid 7078] <... setpgid resumed>) = 0 [pid 7078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7076] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7080 attached [pid 7079] <... prctl resumed>) = 0 [pid 7078] <... openat resumed>) = 3 [pid 7077] <... openat resumed>) = 3 [pid 7079] setpgid(0, 0 [pid 7077] write(3, "1000", 4 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7080 [pid 7077] <... write resumed>) = 4 [pid 7080] set_robust_list(0x55558c953660, 24 [pid 7079] <... setpgid resumed>) = 0 [pid 7078] write(3, "1000", 4 [pid 7080] <... set_robust_list resumed>) = 0 [pid 7077] close(3 executing program executing program [pid 7079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7078] <... write resumed>) = 4 [pid 7077] <... close resumed>) = 0 [pid 7080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7078] close(3 [pid 7077] write(1, "executing program\n", 18 [pid 7080] setpgid(0, 0 [pid 7078] <... close resumed>) = 0 [pid 7077] <... write resumed>) = 18 [pid 7078] write(1, "executing program\n", 18 [pid 7077] perf_event_open( [pid 7078] <... write resumed>) = 18 [pid 7077] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7077] perf_event_open( [pid 7080] <... setpgid resumed>) = 0 [pid 7079] <... openat resumed>) = 3 [pid 7078] perf_event_open( [pid 7080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7079] write(3, "1000", 4) = 4 [pid 7079] close(3) = 0 [pid 7080] <... openat resumed>) = 3 [pid 7079] write(1, "executing program\n", 18executing program [pid 7080] write(3, "1000", 4 [pid 7079] <... write resumed>) = 18 [pid 7080] <... write resumed>) = 4 [pid 7079] perf_event_open( [pid 7078] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7077] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7076] +++ exited with 0 +++ [pid 7080] close(3 [pid 7078] perf_event_open( [pid 7080] <... close resumed>) = 0 [pid 7079] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 7078] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7080] write(1, "executing program\n", 18 [pid 7077] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7080] <... write resumed>) = 18 [pid 7079] perf_event_open( [pid 7078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7080] perf_event_open( [pid 7079] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7077] <... bpf resumed>) = 5 [pid 7077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7080] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7079] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7078] <... bpf resumed>) = 5 [pid 7080] perf_event_open( [pid 7079] <... bpf resumed>) = 5 [pid 7078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7080] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7077] <... bpf resumed>) = 6 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7077] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7080] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7078] <... bpf resumed>) = 6 [pid 7080] <... bpf resumed>) = 5 [pid 7077] exit_group(0) = ? [pid 7080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7079] <... bpf resumed>) = 6 [pid 7078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7077] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7079] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7081 attached [pid 7080] <... bpf resumed>) = 6 [pid 7079] <... bpf resumed>) = 7 [pid 7078] <... bpf resumed>) = 7 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7081 [pid 7081] set_robust_list(0x55558c953660, 24 [pid 7080] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7079] exit_group(0 [pid 7081] <... set_robust_list resumed>) = 0 [pid 7080] <... bpf resumed>) = 7 [pid 7081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7079] <... exit_group resumed>) = ? [pid 7081] <... prctl resumed>) = 0 [pid 7080] exit_group(0 [pid 7078] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7081] setpgid(0, 0) = 0 [pid 7078] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7082 attached [pid 7081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7080] <... exit_group resumed>) = ? [pid 7079] +++ exited with 0 +++ [pid 7082] set_robust_list(0x55558c953660, 24 [pid 7081] <... openat resumed>) = 3 [pid 7080] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7082 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7079, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7082] <... set_robust_list resumed>) = 0 [pid 7081] write(3, "1000", 4) = 4 [pid 7081] close(3) = 0 [pid 7082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7081] write(1, "executing program\n", 18executing program [pid 7082] <... prctl resumed>) = 0 [pid 7081] <... write resumed>) = 18 [pid 7082] setpgid(0, 0 [pid 7081] perf_event_open( [pid 7082] <... setpgid resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7083 attached ./strace-static-x86_64: Process 7084 attached [pid 7083] set_robust_list(0x55558c953660, 24 [pid 7082] <... openat resumed>) = 3 [pid 7081] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7078] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7083 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7084 [pid 7084] set_robust_list(0x55558c953660, 24 [pid 7083] <... set_robust_list resumed>) = 0 [pid 7082] write(3, "1000", 4 [pid 7084] <... set_robust_list resumed>) = 0 [pid 7082] <... write resumed>) = 4 [pid 7084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7082] close(3 [pid 7081] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7084] <... prctl resumed>) = 0 [pid 7083] <... prctl resumed>) = 0 [pid 7082] <... close resumed>) = 0 executing program [pid 7084] setpgid(0, 0 [pid 7083] setpgid(0, 0 [pid 7082] write(1, "executing program\n", 18 [pid 7083] <... setpgid resumed>) = 0 [pid 7081] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7084] <... setpgid resumed>) = 0 [pid 7083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7082] <... write resumed>) = 18 [pid 7081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7082] perf_event_open( [pid 7084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7083] <... openat resumed>) = 3 [pid 7082] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7082] perf_event_open(./strace-static-x86_64: Process 7085 attached [pid 7081] <... bpf resumed>) = 5 [pid 7082] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7085] set_robust_list(0x55558c953660, 24 [pid 7084] <... openat resumed>) = 3 [pid 7083] write(3, "1000", 4 [pid 7081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7085 [pid 7085] <... set_robust_list resumed>) = 0 [pid 7082] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7084] write(3, "1000", 4 [pid 7083] <... write resumed>) = 4 [pid 7082] <... bpf resumed>) = 5 [pid 7081] <... bpf resumed>) = 6 [pid 7085] <... prctl resumed>) = 0 [pid 7084] <... write resumed>) = 4 [pid 7083] close(3 [pid 7082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7085] setpgid(0, 0 [pid 7084] close(3 [pid 7083] <... close resumed>) = 0 [pid 7085] <... setpgid resumed>) = 0 [pid 7084] <... close resumed>) = 0 [pid 7083] write(1, "executing program\n", 18executing program [pid 7081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 executing program [pid 7085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7084] write(1, "executing program\n", 18 [pid 7083] <... write resumed>) = 18 [pid 7085] <... openat resumed>) = 3 [pid 7084] <... write resumed>) = 18 [pid 7082] <... bpf resumed>) = 6 [pid 7085] write(3, "1000", 4 [pid 7084] perf_event_open( [pid 7083] perf_event_open( [pid 7085] <... write resumed>) = 4 [pid 7084] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7082] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7081] <... bpf resumed>) = 7 [pid 7085] close(3 [pid 7084] perf_event_open( [pid 7083] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7085] <... close resumed>) = 0 [pid 7084] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7083] perf_event_open( [pid 7082] <... bpf resumed>) = 7 [pid 7081] exit_group(0 [pid 7085] write(1, "executing program\n", 18 [pid 7083] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 7085] <... write resumed>) = 18 [pid 7084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7081] <... exit_group resumed>) = ? [pid 7085] perf_event_open( [pid 7084] <... bpf resumed>) = 5 [pid 7082] exit_group(0 [pid 7085] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7082] <... exit_group resumed>) = ? [pid 7085] perf_event_open( [pid 7084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7083] <... bpf resumed>) = 5 [pid 7085] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7082] +++ exited with 0 +++ [pid 7084] <... bpf resumed>) = 6 [pid 7083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7081] +++ exited with 0 +++ [pid 7084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7082, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7081, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7085] <... bpf resumed>) = 5 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7084] <... bpf resumed>) = 7 [pid 7083] <... bpf resumed>) = 6 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7084] exit_group(0 [pid 7083] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7084] <... exit_group resumed>) = ? [pid 7083] exit_group(0) = ? ./strace-static-x86_64: Process 7086 attached [pid 7085] <... bpf resumed>) = 6 [pid 7084] +++ exited with 0 +++ [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7086 ./strace-static-x86_64: Process 7087 attached [pid 7085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7086] set_robust_list(0x55558c953660, 24) = 0 [pid 7087] set_robust_list(0x55558c953660, 24 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7087] <... set_robust_list resumed>) = 0 [pid 7086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7083] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7087 [pid 7087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7086] <... prctl resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7087] <... prctl resumed>) = 0 [pid 7086] setpgid(0, 0 [pid 7087] setpgid(0, 0 [pid 7086] <... setpgid resumed>) = 0 [pid 7085] <... bpf resumed>) = 7 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7087] <... setpgid resumed>) = 0 [pid 7086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7086] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7088 attached [pid 7087] <... openat resumed>) = 3 [pid 7085] exit_group(0) = ? [pid 7088] set_robust_list(0x55558c953660, 24 [pid 7087] write(3, "1000", 4 [pid 7086] write(3, "1000", 4 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7088 [pid 7088] <... set_robust_list resumed>) = 0 [pid 7087] <... write resumed>) = 4 [pid 7086] <... write resumed>) = 4 [pid 7088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7087] close(3 [pid 7088] <... prctl resumed>) = 0 [pid 7087] <... close resumed>) = 0 [pid 7086] close(3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7088] setpgid(0, 0executing program [pid 7087] write(1, "executing program\n", 18 [pid 7086] <... close resumed>) = 0 [pid 7088] <... setpgid resumed>) = 0 [pid 7087] <... write resumed>) = 18 [pid 7086] write(1, "executing program\n", 18./strace-static-x86_64: Process 7089 attached executing program [pid 7088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7087] perf_event_open( [pid 7086] <... write resumed>) = 18 [pid 7088] <... openat resumed>) = 3 [pid 7086] perf_event_open( [pid 7088] write(3, "1000", 4 [pid 7089] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7089 [pid 7089] <... set_robust_list resumed>) = 0 [pid 7088] <... write resumed>) = 4 [pid 7089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7088] close(3) = 0 [pid 7088] write(1, "executing program\n", 18executing program [pid 7089] <... prctl resumed>) = 0 [pid 7088] <... write resumed>) = 18 [pid 7088] perf_event_open( [pid 7089] setpgid(0, 0) = 0 [pid 7089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7089] write(3, "1000", 4) = 4 executing program [pid 7089] close(3) = 0 [pid 7089] write(1, "executing program\n", 18) = 18 [pid 7089] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7088] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7087] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7086] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7085] +++ exited with 0 +++ [pid 7088] perf_event_open( [pid 7087] perf_event_open( [pid 7089] perf_event_open( [pid 7088] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7086] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7089] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7088] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7087] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7086] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7089] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7088] <... bpf resumed>) = 5 [pid 7086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7089] <... bpf resumed>) = 5 [pid 7088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7086] <... bpf resumed>) = 5 [pid 7087] <... bpf resumed>) = 5 [pid 7089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7089] <... bpf resumed>) = 6 [pid 7086] <... bpf resumed>) = 6 [pid 7089] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7089] <... bpf resumed>) = 7 [pid 7088] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7090 attached [pid 7089] exit_group(0 [pid 7088] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7087] <... bpf resumed>) = 6 [pid 7086] exit_group(0 [pid 7090] set_robust_list(0x55558c953660, 24 [pid 7089] <... exit_group resumed>) = ? [pid 7088] <... bpf resumed>) = 7 [pid 7087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7090 [pid 7090] <... set_robust_list resumed>) = 0 [pid 7086] <... exit_group resumed>) = ? [pid 7090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7088] exit_group(0 [pid 7087] <... bpf resumed>) = 7 [pid 7086] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7090] <... prctl resumed>) = 0 [pid 7089] +++ exited with 0 +++ [pid 7088] <... exit_group resumed>) = ? [pid 7087] exit_group(0 [pid 7090] setpgid(0, 0 [pid 7087] <... exit_group resumed>) = ? [pid 7090] <... setpgid resumed>) = 0 [pid 7088] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7088, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7090] write(3, "1000", 4) = 4 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7090] close(3) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7090] write(1, "executing program\n", 18executing program ) = 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7091 attached [pid 7090] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7091] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7091 [pid 7091] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7093 attached ./strace-static-x86_64: Process 7092 attached [pid 7091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7093] set_robust_list(0x55558c953660, 24 [pid 7092] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7092 [pid 7091] <... prctl resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7093 [pid 7091] setpgid(0, 0 [pid 7093] <... set_robust_list resumed>) = 0 [pid 7092] <... set_robust_list resumed>) = 0 [pid 7091] <... setpgid resumed>) = 0 [pid 7091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7091] <... openat resumed>) = 3 [pid 7093] <... prctl resumed>) = 0 [pid 7092] <... prctl resumed>) = 0 [pid 7093] setpgid(0, 0 [pid 7092] setpgid(0, 0 [pid 7091] write(3, "1000", 4 [pid 7093] <... setpgid resumed>) = 0 [pid 7092] <... setpgid resumed>) = 0 [pid 7091] <... write resumed>) = 4 [pid 7092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7091] close(3) = 0 [pid 7093] <... openat resumed>) = 3 [pid 7092] <... openat resumed>) = 3 executing program [pid 7093] write(3, "1000", 4 [pid 7092] write(3, "1000", 4 [pid 7091] write(1, "executing program\n", 18 [pid 7093] <... write resumed>) = 4 [pid 7092] <... write resumed>) = 4 [pid 7091] <... write resumed>) = 18 [pid 7093] close(3 [pid 7092] close(3 [pid 7091] perf_event_open(executing program [pid 7093] <... close resumed>) = 0 [pid 7093] write(1, "executing program\n", 18) = 18 [pid 7093] perf_event_open( [pid 7092] <... close resumed>) = 0 [pid 7092] write(1, "executing program\n", 18executing program ) = 18 [pid 7092] perf_event_open( [pid 7087] +++ exited with 0 +++ [pid 7090] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7093] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7092] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7091] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7090] perf_event_open( [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7093] perf_event_open( [pid 7092] perf_event_open( [pid 7091] perf_event_open( [pid 7090] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7093] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7092] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7091] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7090] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7093] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7090] <... bpf resumed>) = 5 [pid 7093] <... bpf resumed>) = 5 [pid 7092] <... bpf resumed>) = 5 [pid 7091] <... bpf resumed>) = 5 [pid 7090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 6 [pid 7091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7094 attached [pid 7093] <... bpf resumed>) = 6 [pid 7092] <... bpf resumed>) = 6 [pid 7090] <... bpf resumed>) = 6 [pid 7094] set_robust_list(0x55558c953660, 24 [pid 7092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7094] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7094 [pid 7093] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7091] <... bpf resumed>) = 7 [pid 7090] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7094] <... prctl resumed>) = 0 [pid 7093] <... bpf resumed>) = 7 [pid 7092] <... bpf resumed>) = 7 [pid 7090] <... bpf resumed>) = 7 [pid 7091] exit_group(0 [pid 7094] setpgid(0, 0 [pid 7093] exit_group(0 [pid 7092] exit_group(0 [pid 7091] <... exit_group resumed>) = ? [pid 7090] exit_group(0 [pid 7094] <... setpgid resumed>) = 0 [pid 7093] <... exit_group resumed>) = ? [pid 7094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7093] +++ exited with 0 +++ [pid 7092] <... exit_group resumed>) = ? [pid 7091] +++ exited with 0 +++ [pid 7090] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7091, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7093, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7094] <... openat resumed>) = 3 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5867] restart_syscall(<... resuming interrupted clone ...>executing program [pid 7094] write(3, "1000", 4 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7094] <... write resumed>) = 4 [pid 7094] close(3) = 0 [pid 7094] write(1, "executing program\n", 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... restart_syscall resumed>) = 0 [pid 7094] <... write resumed>) = 18 ./strace-static-x86_64: Process 7095 attached [pid 7094] perf_event_open( [pid 7095] set_robust_list(0x55558c953660, 24 [pid 7094] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7095] <... set_robust_list resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7094] perf_event_open( [pid 7092] +++ exited with 0 +++ ./strace-static-x86_64: Process 7097 attached [pid 7094] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7095] <... prctl resumed>) = 0 [pid 7090] +++ exited with 0 +++ [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7095 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7095] setpgid(0, 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7090, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7095] <... setpgid resumed>) = 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7097] set_robust_list(0x55558c953660, 24 [pid 7095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7097] <... set_robust_list resumed>) = 0 [pid 7094] <... bpf resumed>) = 5 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7097 [pid 7097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7095] <... openat resumed>) = 3 [pid 7094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7097] <... prctl resumed>) = 0 [pid 7095] write(3, "1000", 4 [pid 7094] <... bpf resumed>) = 6 [pid 7097] setpgid(0, 0 [pid 7095] <... write resumed>) = 4 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7095] close(3 [pid 7097] <... setpgid resumed>) = 0 [pid 7095] <... close resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 7098 attached [pid 7097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7095] write(1, "executing program\n", 18 [pid 7094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7098] set_robust_list(0x55558c953660, 24 [pid 7097] <... openat resumed>) = 3 [pid 7095] <... write resumed>) = 18 [pid 7098] <... set_robust_list resumed>) = 0 [pid 7095] perf_event_open( [pid 7098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7097] write(3, "1000", 4) = 4 [pid 7097] close(3) = 0 executing program [pid 7097] write(1, "executing program\n", 18 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7098 [pid 7097] <... write resumed>) = 18 [pid 7097] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7097] perf_event_open(./strace-static-x86_64: Process 7099 attached [pid 7098] <... prctl resumed>) = 0 [pid 7095] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7094] <... bpf resumed>) = 7 [pid 7099] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7099 [pid 7099] <... set_robust_list resumed>) = 0 [pid 7098] setpgid(0, 0 [pid 7097] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7095] perf_event_open( [pid 7099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7094] exit_group(0 [pid 7098] <... setpgid resumed>) = 0 [pid 7095] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7099] <... prctl resumed>) = 0 [pid 7098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7099] setpgid(0, 0 [pid 7095] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7094] <... exit_group resumed>) = ? [pid 7099] <... setpgid resumed>) = 0 [pid 7098] <... openat resumed>) = 3 [pid 7097] <... bpf resumed>) = 5 [pid 7095] <... bpf resumed>) = 5 [pid 7099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7098] write(3, "1000", 4 [pid 7097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7099] <... openat resumed>) = 3 [pid 7094] +++ exited with 0 +++ [pid 7099] write(3, "1000", 4 [pid 7098] <... write resumed>) = 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7099] <... write resumed>) = 4 [pid 7098] close(3 [pid 7099] close(3 [pid 7098] <... close resumed>) = 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> executing program executing program [pid 7099] <... close resumed>) = 0 [pid 7098] write(1, "executing program\n", 18 [pid 7099] write(1, "executing program\n", 18) = 18 [pid 7099] perf_event_open( [pid 7098] <... write resumed>) = 18 [pid 7099] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7098] perf_event_open( [pid 7099] perf_event_open( [pid 7098] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7097] <... bpf resumed>) = 6 [pid 7095] <... bpf resumed>) = 6 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7099] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7098] perf_event_open( [pid 7097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7098] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7099] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7095] <... bpf resumed>) = 7 [pid 7099] <... bpf resumed>) = 5 [pid 7098] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7097] <... bpf resumed>) = 7 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7095] exit_group(0 [pid 7098] <... bpf resumed>) = 5 [pid 7097] exit_group(0) = ? ./strace-static-x86_64: Process 7100 attached [pid 7099] <... bpf resumed>) = 6 [pid 7098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7095] <... exit_group resumed>) = ? [pid 7100] set_robust_list(0x55558c953660, 24) = 0 [pid 7100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7100] setpgid(0, 0) = 0 [pid 7100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7098] <... bpf resumed>) = 6 [pid 7099] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7100] write(3, "1000", 4 [pid 7099] <... bpf resumed>) = 7 [pid 7100] <... write resumed>) = 4 [pid 7100] close(3 [pid 7099] exit_group(0 [pid 7097] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7100 executing program [pid 7100] <... close resumed>) = 0 [pid 7098] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7097, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7100] write(1, "executing program\n", 18 [pid 7099] <... exit_group resumed>) = ? [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7100] <... write resumed>) = 18 [pid 7100] perf_event_open( [pid 7098] <... bpf resumed>) = 7 [pid 7100] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7098] exit_group(0 [pid 7099] +++ exited with 0 +++ [pid 7095] +++ exited with 0 +++ [pid 7098] <... exit_group resumed>) = ? [pid 5867] <... restart_syscall resumed>) = 0 [pid 7100] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7095, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7100] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7100] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7098] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7101 attached [pid 7100] <... bpf resumed>) = 5 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7102 attached [pid 7101] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7101 [pid 7101] <... set_robust_list resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7102] set_robust_list(0x55558c953660, 24 [pid 7100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7103 attached [pid 7102] <... set_robust_list resumed>) = 0 [pid 7101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7102 ./strace-static-x86_64: Process 7104 attached [pid 7103] set_robust_list(0x55558c953660, 24 [pid 7102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7101] <... prctl resumed>) = 0 [pid 7100] <... bpf resumed>) = 6 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7103 [pid 7104] set_robust_list(0x55558c953660, 24 [pid 7103] <... set_robust_list resumed>) = 0 [pid 7102] <... prctl resumed>) = 0 [pid 7101] setpgid(0, 0 [pid 7100] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7104 [pid 7104] <... set_robust_list resumed>) = 0 [pid 7103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7102] setpgid(0, 0 [pid 7101] <... setpgid resumed>) = 0 [pid 7104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7103] <... prctl resumed>) = 0 [pid 7102] <... setpgid resumed>) = 0 [pid 7104] <... prctl resumed>) = 0 [pid 7103] setpgid(0, 0 [pid 7102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7100] <... bpf resumed>) = 7 [pid 7104] setpgid(0, 0 [pid 7103] <... setpgid resumed>) = 0 [pid 7102] <... openat resumed>) = 3 [pid 7101] <... openat resumed>) = 3 [pid 7100] exit_group(0 [pid 7104] <... setpgid resumed>) = 0 [pid 7101] write(3, "1000", 4 [pid 7104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7102] write(3, "1000", 4 [pid 7101] <... write resumed>) = 4 [pid 7100] <... exit_group resumed>) = ? [pid 7104] <... openat resumed>) = 3 [pid 7102] <... write resumed>) = 4 [pid 7101] close(3 [pid 7104] write(3, "1000", 4 [pid 7101] <... close resumed>) = 0 [pid 7104] <... write resumed>) = 4 [pid 7104] close(3executing program [pid 7101] write(1, "executing program\n", 18 [pid 7104] <... close resumed>) = 0 executing program [pid 7104] write(1, "executing program\n", 18 [pid 7101] <... write resumed>) = 18 [pid 7104] <... write resumed>) = 18 [pid 7101] perf_event_open( [pid 7104] perf_event_open( [pid 7103] <... openat resumed>) = 3 [pid 7102] close(3 [pid 7101] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7103] write(3, "1000", 4 [pid 7102] <... close resumed>) = 0 [pid 7103] <... write resumed>) = 4 executing program [pid 7102] write(1, "executing program\n", 18 [pid 7103] close(3 [pid 7102] <... write resumed>) = 18 [pid 7101] perf_event_open( [pid 7103] <... close resumed>) = 0 [pid 7102] perf_event_open(executing program [pid 7103] write(1, "executing program\n", 18) = 18 [pid 7103] perf_event_open( [pid 7104] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7103] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7102] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7101] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7100] +++ exited with 0 +++ [pid 7104] perf_event_open( [pid 7102] perf_event_open( [pid 7104] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7103] perf_event_open( [pid 7101] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7104] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7103] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7102] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7101] <... bpf resumed>) = 5 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7100, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7104] <... bpf resumed>) = 5 [pid 7102] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7103] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7102] <... bpf resumed>) = 5 [pid 7101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7103] <... bpf resumed>) = 5 [pid 7102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7104] <... bpf resumed>) = 6 [pid 7103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7104] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7103] <... bpf resumed>) = 6 [pid 7102] <... bpf resumed>) = 6 [pid 7104] <... bpf resumed>) = 7 [pid 7103] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7101] <... bpf resumed>) = 6 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7103] <... bpf resumed>) = 7 [pid 7101] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 ./strace-static-x86_64: Process 7105 attached [pid 7104] exit_group(0 [pid 7102] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7101] exit_group(0 [pid 7103] exit_group(0) = ? [pid 7105] set_robust_list(0x55558c953660, 24 [pid 7104] <... exit_group resumed>) = ? [pid 7102] <... bpf resumed>) = 7 [pid 7101] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7105 [pid 7105] <... set_robust_list resumed>) = 0 [pid 7103] +++ exited with 0 +++ [pid 7105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7104] +++ exited with 0 +++ [pid 7102] exit_group(0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7105] <... prctl resumed>) = 0 [pid 7102] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7105] setpgid(0, 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7105] <... setpgid resumed>) = 0 [pid 7101] +++ exited with 0 +++ ./strace-static-x86_64: Process 7106 attached [pid 7105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7106] set_robust_list(0x55558c953660, 24 [pid 7105] <... openat resumed>) = 3 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7106 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7101, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7106] <... set_robust_list resumed>) = 0 [pid 7105] write(3, "1000", 4) = 4 [pid 7106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7105] close(3 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7106] <... prctl resumed>) = 0 [pid 7105] <... close resumed>) = 0 executing program [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7106] setpgid(0, 0 [pid 7105] write(1, "executing program\n", 18 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7106] <... setpgid resumed>) = 0 [pid 7105] <... write resumed>) = 18 ./strace-static-x86_64: Process 7107 attached [pid 7106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7105] perf_event_open( [pid 7107] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7107 [pid 7107] <... set_robust_list resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7106] <... openat resumed>) = 3 [pid 7106] write(3, "1000", 4./strace-static-x86_64: Process 7108 attached [pid 7107] <... prctl resumed>) = 0 [pid 7108] set_robust_list(0x55558c953660, 24 [pid 7107] setpgid(0, 0 [pid 7106] <... write resumed>) = 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7108 [pid 7108] <... set_robust_list resumed>) = 0 [pid 7106] close(3) = 0 [pid 7107] <... setpgid resumed>) = 0 [pid 7108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7106] write(1, "executing program\n", 18 [pid 7108] <... prctl resumed>) = 0 [pid 7108] setpgid(0, 0executing program ) = 0 [pid 7106] <... write resumed>) = 18 [pid 7108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7106] perf_event_open( [pid 7105] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7102] +++ exited with 0 +++ [pid 7108] <... openat resumed>) = 3 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7108] write(3, "1000", 4) = 4 [pid 7108] close(3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7108] <... close resumed>) = 0 [pid 7106] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7105] perf_event_open( [pid 7108] write(1, "executing program\n", 18 [pid 7107] <... openat resumed>) = 3 [pid 7107] write(3, "1000", 4executing program [pid 7106] perf_event_open( [pid 7105] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7109 attached [pid 7108] <... write resumed>) = 18 [pid 7107] <... write resumed>) = 4 [pid 7106] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7108] perf_event_open( [pid 7107] close(3) = 0 [pid 7106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program [pid 7108] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7109] set_robust_list(0x55558c953660, 24 [pid 7107] write(1, "executing program\n", 18 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7109 [pid 7108] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7109] <... set_robust_list resumed>) = 0 [pid 7107] <... write resumed>) = 18 [pid 7106] <... bpf resumed>) = 5 [pid 7105] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7108] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7107] perf_event_open( [pid 7106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7109] <... prctl resumed>) = 0 [pid 7105] <... bpf resumed>) = 5 [pid 7108] <... bpf resumed>) = 5 [pid 7108] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7109] setpgid(0, 0 [pid 7108] <... bpf resumed>) = 6 [pid 7107] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7106] <... bpf resumed>) = 6 [pid 7109] <... setpgid resumed>) = 0 [pid 7108] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7107] perf_event_open( [pid 7106] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7108] <... bpf resumed>) = 7 [pid 7107] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7108] exit_group(0 [pid 7109] <... openat resumed>) = 3 [pid 7107] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7106] <... bpf resumed>) = 7 [pid 7105] <... bpf resumed>) = 6 [pid 7109] write(3, "1000", 4 [pid 7108] <... exit_group resumed>) = ? [pid 7105] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7109] <... write resumed>) = 4 [pid 7107] <... bpf resumed>) = 5 [pid 7106] exit_group(0 [pid 7109] close(3 [pid 7106] <... exit_group resumed>) = ? [pid 7105] <... bpf resumed>) = 7 [pid 7107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7105] exit_group(0 [pid 7109] <... close resumed>) = 0 [pid 7105] <... exit_group resumed>) = ? [pid 7108] +++ exited with 0 +++ [pid 7109] write(1, "executing program\n", 18executing program [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7108, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7109] <... write resumed>) = 18 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7109] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7109] perf_event_open( [pid 7106] +++ exited with 0 +++ [pid 7107] <... bpf resumed>) = 6 [pid 7105] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7106, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7109] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7109] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7107] <... bpf resumed>) = 7 [pid 7109] <... bpf resumed>) = 5 [pid 7109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7107] exit_group(0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7107] <... exit_group resumed>) = ? [pid 7109] <... bpf resumed>) = 6 [pid 7109] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7107] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7110 ./strace-static-x86_64: Process 7112 attached ./strace-static-x86_64: Process 7111 attached ./strace-static-x86_64: Process 7110 attached [pid 7109] <... bpf resumed>) = 7 [pid 7112] set_robust_list(0x55558c953660, 24 [pid 7111] set_robust_list(0x55558c953660, 24 [pid 7110] set_robust_list(0x55558c953660, 24 [pid 7109] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7112 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7111 [pid 7112] <... set_robust_list resumed>) = 0 [pid 7111] <... set_robust_list resumed>) = 0 [pid 7110] <... set_robust_list resumed>) = 0 [pid 7109] <... exit_group resumed>) = ? [pid 7111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7113 attached [pid 7112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7111] <... prctl resumed>) = 0 [pid 7110] <... prctl resumed>) = 0 [pid 7113] set_robust_list(0x55558c953660, 24 [pid 7112] <... prctl resumed>) = 0 [pid 7111] setpgid(0, 0 [pid 7110] setpgid(0, 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7113 [pid 7112] setpgid(0, 0 [pid 7111] <... setpgid resumed>) = 0 [pid 7110] <... setpgid resumed>) = 0 [pid 7112] <... setpgid resumed>) = 0 [pid 7113] <... set_robust_list resumed>) = 0 [pid 7113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7113] <... prctl resumed>) = 0 [pid 7112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7113] setpgid(0, 0 [pid 7110] <... openat resumed>) = 3 [pid 7113] <... setpgid resumed>) = 0 [pid 7112] <... openat resumed>) = 3 [pid 7113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7111] <... openat resumed>) = 3 [pid 7110] write(3, "1000", 4 [pid 7112] write(3, "1000", 4 [pid 7110] <... write resumed>) = 4 [pid 7113] <... openat resumed>) = 3 [pid 7110] close(3 [pid 7113] write(3, "1000", 4) = 4 [pid 7113] close(3 [pid 7112] <... write resumed>) = 4 [pid 7112] close(3 executing program executing program executing program executing program [pid 7111] write(3, "1000", 4 [pid 7110] <... close resumed>) = 0 [pid 7113] <... close resumed>) = 0 [pid 7111] <... write resumed>) = 4 [pid 7110] write(1, "executing program\n", 18 [pid 7113] write(1, "executing program\n", 18 [pid 7112] <... close resumed>) = 0 [pid 7113] <... write resumed>) = 18 [pid 7113] perf_event_open( [pid 7112] write(1, "executing program\n", 18 [pid 7110] <... write resumed>) = 18 [pid 7111] close(3 [pid 7110] perf_event_open( [pid 7112] <... write resumed>) = 18 [pid 7111] <... close resumed>) = 0 [pid 7112] perf_event_open( [pid 7111] write(1, "executing program\n", 18) = 18 [pid 7111] perf_event_open( [pid 7109] +++ exited with 0 +++ [pid 7113] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7113] perf_event_open( [pid 7112] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7111] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7110] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7113] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7112] perf_event_open( [pid 7113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7111] perf_event_open( [pid 7110] perf_event_open( [pid 7113] <... bpf resumed>) = 5 [pid 7112] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7112] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7111] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7110] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7112] <... bpf resumed>) = 5 [pid 7112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7114 attached [pid 7113] <... bpf resumed>) = 6 [pid 7111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7110] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7112] <... bpf resumed>) = 6 [pid 7114] set_robust_list(0x55558c953660, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7114 [pid 7114] <... set_robust_list resumed>) = 0 [pid 7112] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7111] <... bpf resumed>) = 5 [pid 7110] <... bpf resumed>) = 5 [pid 7113] exit_group(0 [pid 7111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7112] <... bpf resumed>) = 7 [pid 7113] <... exit_group resumed>) = ? [pid 7114] <... prctl resumed>) = 0 [pid 7114] setpgid(0, 0 [pid 7110] <... bpf resumed>) = 6 [pid 7114] <... setpgid resumed>) = 0 [pid 7113] +++ exited with 0 +++ [pid 7112] exit_group(0 [pid 7111] <... bpf resumed>) = 6 [pid 7111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7113, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7112] <... exit_group resumed>) = ? [pid 7111] <... bpf resumed>) = 7 [pid 7110] <... bpf resumed>) = 7 [pid 7111] exit_group(0 [pid 7110] exit_group(0 [pid 7111] <... exit_group resumed>) = ? [pid 7114] <... openat resumed>) = 3 [pid 7112] +++ exited with 0 +++ [pid 7110] <... exit_group resumed>) = ? [pid 7114] write(3, "1000", 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7114] <... write resumed>) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7114] close(3 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7114] <... close resumed>) = 0 ./strace-static-x86_64: Process 7115 attached executing program [pid 7114] write(1, "executing program\n", 18 [pid 7111] +++ exited with 0 +++ [pid 7115] set_robust_list(0x55558c953660, 24 [pid 7114] <... write resumed>) = 18 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7115] <... set_robust_list resumed>) = 0 [pid 7114] perf_event_open( [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7115 [pid 7115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7115] setpgid(0, 0) = 0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7115] write(3, "1000", 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7115] <... write resumed>) = 4 [pid 7115] close(3) = 0 [pid 7115] write(1, "executing program\n", 18) = 18 [pid 7115] perf_event_open(./strace-static-x86_64: Process 7116 attached ./strace-static-x86_64: Process 7117 attached [pid 7116] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7116 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7117 [pid 7117] set_robust_list(0x55558c953660, 24 [pid 7116] <... set_robust_list resumed>) = 0 [pid 7117] <... set_robust_list resumed>) = 0 [pid 7117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7117] <... prctl resumed>) = 0 [pid 7117] setpgid(0, 0 [pid 7116] <... prctl resumed>) = 0 [pid 7115] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7114] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7110] +++ exited with 0 +++ [pid 7117] <... setpgid resumed>) = 0 [pid 7116] setpgid(0, 0 [pid 7115] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7110, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7114] perf_event_open( [pid 7117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7116] <... setpgid resumed>) = 0 [pid 7115] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7117] <... openat resumed>) = 3 [pid 7116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7114] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7114] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7117] write(3, "1000", 4 [pid 7115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7117] <... write resumed>) = 4 [pid 7116] <... openat resumed>) = 3 [pid 7114] <... bpf resumed>) = 5 [pid 7117] close(3 [pid 7115] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 7118 attached [pid 7118] set_robust_list(0x55558c953660, 24) = 0 [pid 7118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7117] <... close resumed>) = 0 [pid 7116] write(3, "1000", 4 [pid 7115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 executing program [pid 7114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7118] <... prctl resumed>) = 0 [pid 7117] write(1, "executing program\n", 18 [pid 7116] <... write resumed>) = 4 [pid 7118] setpgid(0, 0 [pid 7117] <... write resumed>) = 18 [pid 7115] <... bpf resumed>) = 6 [pid 7114] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7118 [pid 7118] <... setpgid resumed>) = 0 [pid 7117] perf_event_open( [pid 7116] close(3 [pid 7115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7114] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7116] <... close resumed>) = 0 [pid 7115] <... bpf resumed>) = 7 executing program [pid 7116] write(1, "executing program\n", 18) = 18 [pid 7116] perf_event_open( [pid 7115] exit_group(0 [pid 7118] <... openat resumed>) = 3 [pid 7117] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7116] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7114] <... bpf resumed>) = 7 [pid 7117] perf_event_open( [pid 7116] perf_event_open( [pid 7115] <... exit_group resumed>) = ? [pid 7118] write(3, "1000", 4) = 4 [pid 7116] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7114] exit_group(0 [pid 7118] close(3 [pid 7117] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7114] <... exit_group resumed>) = ? [pid 7117] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7116] <... bpf resumed>) = 5 [pid 7118] <... close resumed>) = 0 [pid 7117] <... bpf resumed>) = 5 [pid 7116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7115] +++ exited with 0 +++ executing program [pid 7118] write(1, "executing program\n", 18) = 18 [pid 7117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7118] perf_event_open( [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7118] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7114] +++ exited with 0 +++ [pid 7118] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7114, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7118] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7118] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 7116] <... bpf resumed>) = 6 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7117] <... bpf resumed>) = 6 [pid 7117] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7119 attached [pid 7118] <... bpf resumed>) = 6 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7118] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7120 attached [pid 7119] set_robust_list(0x55558c953660, 24 [pid 7117] <... bpf resumed>) = 7 [pid 7116] <... bpf resumed>) = 7 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7119 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7120 [pid 7120] set_robust_list(0x55558c953660, 24 [pid 7119] <... set_robust_list resumed>) = 0 [pid 7118] <... bpf resumed>) = 7 [pid 7117] exit_group(0 [pid 7116] exit_group(0) = ? [pid 7120] <... set_robust_list resumed>) = 0 [pid 7119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7117] <... exit_group resumed>) = ? [pid 7120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7116] +++ exited with 0 +++ [pid 7118] exit_group(0 [pid 7120] <... prctl resumed>) = 0 [pid 7119] <... prctl resumed>) = 0 [pid 7117] +++ exited with 0 +++ [pid 7120] setpgid(0, 0 [pid 7119] setpgid(0, 0 [pid 7118] <... exit_group resumed>) = ? [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7116, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7120] <... setpgid resumed>) = 0 [pid 7119] <... setpgid resumed>) = 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] <... restart_syscall resumed>) = 0 [pid 7120] <... openat resumed>) = 3 [pid 7119] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7120] write(3, "1000", 4 [pid 7119] write(3, "1000", 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7121 attached [pid 7120] <... write resumed>) = 4 [pid 7119] <... write resumed>) = 4 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7121 ./strace-static-x86_64: Process 7122 attached [pid 7121] set_robust_list(0x55558c953660, 24 [pid 7120] close(3 [pid 7119] close(3executing program [pid 7121] <... set_robust_list resumed>) = 0 [pid 7120] <... close resumed>) = 0 [pid 7119] <... close resumed>) = 0 [pid 7121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7119] write(1, "executing program\n", 18 [pid 7120] write(1, "executing program\n", 18 [pid 7119] <... write resumed>) = 18 executing program [pid 7121] <... prctl resumed>) = 0 [pid 7120] <... write resumed>) = 18 [pid 7119] perf_event_open( [pid 7122] set_robust_list(0x55558c953660, 24) = 0 [pid 7121] setpgid(0, 0 [pid 7120] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7122 [pid 7122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7121] <... setpgid resumed>) = 0 [pid 7119] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7122] <... prctl resumed>) = 0 [pid 7122] setpgid(0, 0 [pid 7120] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7118] +++ exited with 0 +++ [pid 7122] <... setpgid resumed>) = 0 [pid 7122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7120] perf_event_open( [pid 7119] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7121] <... openat resumed>) = 3 [pid 7122] <... openat resumed>) = 3 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7122] write(3, "1000", 4) = 4 [pid 7121] write(3, "1000", 4 [pid 7122] close(3 [pid 7121] <... write resumed>) = 4 executing program [pid 7120] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7121] close(3) = 0 [pid 7121] write(1, "executing program\n", 18) = 18 [pid 7120] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7121] perf_event_open( [pid 7119] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7122] <... close resumed>) = 0 [pid 7120] <... bpf resumed>) = 5 executing program [pid 7119] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7122] write(1, "executing program\n", 18 [pid 7121] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7122] <... write resumed>) = 18 [pid 7121] perf_event_open( [pid 7120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7119] <... bpf resumed>) = 5 [pid 7122] perf_event_open( [pid 7121] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7122] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7119] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7122] perf_event_open( [pid 7121] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7120] <... bpf resumed>) = 6 [pid 7122] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7121] <... bpf resumed>) = 5 [pid 7120] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7122] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7119] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7123 attached [pid 7122] <... bpf resumed>) = 5 [pid 7120] <... bpf resumed>) = 7 [pid 7119] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7121] <... bpf resumed>) = 6 [pid 7120] exit_group(0 [pid 7119] <... bpf resumed>) = 7 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7123 [pid 7123] set_robust_list(0x55558c953660, 24 [pid 7120] <... exit_group resumed>) = ? [pid 7123] <... set_robust_list resumed>) = 0 [pid 7122] <... bpf resumed>) = 6 [pid 7121] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7119] exit_group(0 [pid 7123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7120] +++ exited with 0 +++ [pid 7119] <... exit_group resumed>) = ? [pid 7121] <... bpf resumed>) = 7 [pid 7122] <... bpf resumed>) = 7 [pid 7121] exit_group(0 [pid 7123] <... prctl resumed>) = 0 [pid 7122] exit_group(0 [pid 7119] +++ exited with 0 +++ [pid 7121] <... exit_group resumed>) = ? [pid 7123] setpgid(0, 0 [pid 7122] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7123] <... setpgid resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7121] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7124 attached [pid 5868] <... restart_syscall resumed>) = 0 [pid 7124] set_robust_list(0x55558c953660, 24) = 0 [pid 7123] <... openat resumed>) = 3 [pid 7124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7123] write(3, "1000", 4 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7124 [pid 7124] <... prctl resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7125 attached [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7125] set_robust_list(0x55558c953660, 24 [pid 7124] setpgid(0, 0 [pid 7123] <... write resumed>) = 4 [pid 7125] <... set_robust_list resumed>) = 0 [pid 7124] <... setpgid resumed>) = 0 [pid 7123] close(3./strace-static-x86_64: Process 7126 attached [pid 7125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7125 executing program [pid 7126] set_robust_list(0x55558c953660, 24 [pid 7125] <... prctl resumed>) = 0 [pid 7124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7123] <... close resumed>) = 0 [pid 7125] setpgid(0, 0 [pid 7123] write(1, "executing program\n", 18 [pid 7126] <... set_robust_list resumed>) = 0 [pid 7123] <... write resumed>) = 18 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7126 [pid 7126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7125] <... setpgid resumed>) = 0 [pid 7124] <... openat resumed>) = 3 [pid 7123] perf_event_open( [pid 7126] <... prctl resumed>) = 0 [pid 7126] setpgid(0, 0 [pid 7125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7126] <... setpgid resumed>) = 0 [pid 7126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7125] <... openat resumed>) = 3 [pid 7124] write(3, "1000", 4 [pid 7126] <... openat resumed>) = 3 [pid 7124] <... write resumed>) = 4 [pid 7124] close(3) = 0 [pid 7126] write(3, "1000", 4 [pid 7125] write(3, "1000", 4 [pid 7123] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7122] +++ exited with 0 +++ [pid 7125] <... write resumed>) = 4 [pid 7125] close(3) = 0 [pid 7126] <... write resumed>) = 4 [pid 7125] write(1, "executing program\n", 18 executing program [pid 7124] write(1, "executing program\n", 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 7126] close(3 [pid 7124] <... write resumed>) = 18 [pid 7126] <... close resumed>) = 0 [pid 7124] perf_event_open( [pid 7126] write(1, "executing program\n", 18 [pid 7125] <... write resumed>) = 18 executing program [pid 7123] perf_event_open( [pid 7126] <... write resumed>) = 18 [pid 7125] perf_event_open( [pid 7124] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7126] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7124] perf_event_open( [pid 7123] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7125] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7124] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7127 attached [pid 7126] perf_event_open( [pid 7125] perf_event_open( [pid 7123] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7127] set_robust_list(0x55558c953660, 24 [pid 7126] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7125] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7127] <... set_robust_list resumed>) = 0 [pid 7126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7125] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7123] <... bpf resumed>) = 5 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7127 [pid 7127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7126] <... bpf resumed>) = 5 [pid 7125] <... bpf resumed>) = 5 [pid 7124] <... bpf resumed>) = 5 [pid 7126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7127] <... prctl resumed>) = 0 [pid 7125] <... bpf resumed>) = 6 [pid 7127] setpgid(0, 0) = 0 [pid 7127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7124] <... bpf resumed>) = 6 [pid 7127] <... openat resumed>) = 3 [pid 7127] write(3, "1000", 4) = 4 [pid 7127] close(3) = 0 executing program [pid 7126] <... bpf resumed>) = 6 [pid 7123] <... bpf resumed>) = 6 [pid 7127] write(1, "executing program\n", 18 [pid 7125] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7124] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7127] <... write resumed>) = 18 [pid 7126] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7125] <... bpf resumed>) = 7 [pid 7123] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7127] perf_event_open( [pid 7126] <... bpf resumed>) = 7 [pid 7124] <... bpf resumed>) = 7 [pid 7123] <... bpf resumed>) = 7 [pid 7127] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7125] exit_group(0 [pid 7123] exit_group(0 [pid 7127] perf_event_open( [pid 7126] exit_group(0 [pid 7125] <... exit_group resumed>) = ? [pid 7123] <... exit_group resumed>) = ? [pid 7127] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7124] exit_group(0 [pid 7126] <... exit_group resumed>) = ? [pid 7127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7126] +++ exited with 0 +++ [pid 7125] +++ exited with 0 +++ [pid 7124] <... exit_group resumed>) = ? [pid 7123] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7127] <... bpf resumed>) = 5 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7126, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] <... restart_syscall resumed>) = 0 [pid 7127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7124] +++ exited with 0 +++ [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7128 attached [pid 7127] <... bpf resumed>) = 6 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7124, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7128] set_robust_list(0x55558c953660, 24 [pid 7127] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7128 ./strace-static-x86_64: Process 7129 attached [pid 7129] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7130 attached [pid 7128] <... set_robust_list resumed>) = 0 [pid 7127] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7129 [pid 7130] set_robust_list(0x55558c953660, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7129] <... set_robust_list resumed>) = 0 [pid 7128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7127] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7130 [pid 7130] <... set_robust_list resumed>) = 0 [pid 7129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7129] <... prctl resumed>) = 0 [pid 7128] <... prctl resumed>) = 0 [pid 7127] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7131 attached [pid 7129] setpgid(0, 0 [pid 7128] setpgid(0, 0 [pid 7131] set_robust_list(0x55558c953660, 24 [pid 7130] <... prctl resumed>) = 0 [pid 7131] <... set_robust_list resumed>) = 0 [pid 7129] <... setpgid resumed>) = 0 [pid 7128] <... setpgid resumed>) = 0 [pid 7129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7130] setpgid(0, 0 [pid 7129] <... openat resumed>) = 3 [pid 7128] <... openat resumed>) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7131 [pid 7131] <... prctl resumed>) = 0 [pid 7130] <... setpgid resumed>) = 0 [pid 7131] setpgid(0, 0 [pid 7129] write(3, "1000", 4 [pid 7131] <... setpgid resumed>) = 0 [pid 7130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7128] write(3, "1000", 4 [pid 7129] <... write resumed>) = 4 [pid 7128] <... write resumed>) = 4 [pid 7131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7129] close(3 [pid 7128] close(3executing program executing program [pid 7129] <... close resumed>) = 0 [pid 7128] <... close resumed>) = 0 [pid 7130] <... openat resumed>) = 3 [pid 7129] write(1, "executing program\n", 18 [pid 7128] write(1, "executing program\n", 18 [pid 7129] <... write resumed>) = 18 [pid 7128] <... write resumed>) = 18 [pid 7131] <... openat resumed>) = 3 [pid 7130] write(3, "1000", 4 [pid 7129] perf_event_open( [pid 7128] perf_event_open( [pid 7131] write(3, "1000", 4 [pid 7130] <... write resumed>) = 4 [pid 7131] <... write resumed>) = 4 executing program [pid 7130] close(3 [pid 7131] close(3 [pid 7130] <... close resumed>) = 0 [pid 7131] <... close resumed>) = 0 [pid 7130] write(1, "executing program\n", 18 [pid 7131] write(1, "executing program\n", 18 [pid 7130] <... write resumed>) = 18 executing program [pid 7131] <... write resumed>) = 18 [pid 7130] perf_event_open( [pid 7131] perf_event_open( [pid 7129] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7128] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7127] +++ exited with 0 +++ [pid 7129] perf_event_open( [pid 7130] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7127, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7131] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7129] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7128] perf_event_open( [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7131] perf_event_open( [pid 7130] perf_event_open( [pid 7129] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7128] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7131] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7130] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7129] <... bpf resumed>) = 5 [pid 7129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7130] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7131] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7130] <... bpf resumed>) = 5 [pid 7128] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7131] <... bpf resumed>) = 5 [pid 7130] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7129] <... bpf resumed>) = 6 [pid 7128] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7132 attached [pid 7129] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7132] set_robust_list(0x55558c953660, 24 [pid 7129] <... bpf resumed>) = 7 [pid 7130] <... bpf resumed>) = 6 executing program [pid 7132] <... set_robust_list resumed>) = 0 [pid 7129] exit_group(0 [pid 7128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7129] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7132 [pid 7131] <... bpf resumed>) = 6 [pid 7132] <... prctl resumed>) = 0 [pid 7132] setpgid(0, 0) = 0 [pid 7132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7132] write(3, "1000", 4) = 4 [pid 7132] close(3) = 0 [pid 7132] write(1, "executing program\n", 18) = 18 [pid 7129] +++ exited with 0 +++ [pid 7128] <... bpf resumed>) = 6 [pid 7132] perf_event_open( [pid 7131] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7130] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7128] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7132] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7131] <... bpf resumed>) = 7 [pid 7130] <... bpf resumed>) = 7 [pid 7128] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7133 attached [pid 7132] perf_event_open( [pid 7130] exit_group(0 [pid 7131] exit_group(0 [pid 7133] set_robust_list(0x55558c953660, 24 [pid 7131] <... exit_group resumed>) = ? [pid 7128] exit_group(0 [pid 7133] <... set_robust_list resumed>) = 0 [pid 7132] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7130] <... exit_group resumed>) = ? [pid 7128] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7133 [pid 7131] +++ exited with 0 +++ [pid 7133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7128] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7131, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7133] <... prctl resumed>) = 0 [pid 7132] <... bpf resumed>) = 5 [pid 7130] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7133] setpgid(0, 0 [pid 7132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7134 attached [pid 7133] <... setpgid resumed>) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7134 [pid 7134] set_robust_list(0x55558c953660, 24 [pid 7133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7132] <... bpf resumed>) = 6 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... restart_syscall resumed>) = 0 [pid 7134] <... set_robust_list resumed>) = 0 [pid 7133] <... openat resumed>) = 3 [pid 7132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... restart_syscall resumed>) = 0 [pid 7134] <... prctl resumed>) = 0 [pid 7133] write(3, "1000", 4) = 4 [pid 7132] <... bpf resumed>) = 7 [pid 7133] close(3 [pid 7132] exit_group(0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7134] setpgid(0, 0 [pid 7133] <... close resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7134] <... setpgid resumed>) = 0 [pid 7133] write(1, "executing program\n", 18) = 18 [pid 7132] <... exit_group resumed>) = ? [pid 7133] perf_event_open(./strace-static-x86_64: Process 7136 attached ./strace-static-x86_64: Process 7135 attached [pid 7134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7135 [pid 7136] set_robust_list(0x55558c953660, 24 [pid 7135] set_robust_list(0x55558c953660, 24 [pid 7134] <... openat resumed>) = 3 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7136 [pid 7136] <... set_robust_list resumed>) = 0 [pid 7135] <... set_robust_list resumed>) = 0 [pid 7134] write(3, "1000", 4 [pid 7136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7136] <... prctl resumed>) = 0 [pid 7134] <... write resumed>) = 4 [pid 7135] <... prctl resumed>) = 0 [pid 7135] setpgid(0, 0 [pid 7136] setpgid(0, 0 [pid 7134] close(3 [pid 7133] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7132] +++ exited with 0 +++ [pid 7136] <... setpgid resumed>) = 0 [pid 7135] <... setpgid resumed>) = 0 [pid 7134] <... close resumed>) = 0 [pid 7133] perf_event_open( [pid 7136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 7135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7134] write(1, "executing program\n", 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7133] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7134] <... write resumed>) = 18 [pid 7136] <... openat resumed>) = 3 [pid 7135] <... openat resumed>) = 3 [pid 7133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7134] perf_event_open(./strace-static-x86_64: Process 7137 attached [pid 7137] set_robust_list(0x55558c953660, 24) = 0 [pid 7137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7137 [pid 7137] <... prctl resumed>) = 0 [pid 7137] setpgid(0, 0) = 0 [pid 7137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7136] write(3, "1000", 4 [pid 7135] write(3, "1000", 4 [pid 7134] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7133] <... bpf resumed>) = 5 [pid 7135] <... write resumed>) = 4 [pid 7134] perf_event_open( [pid 7133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7137] <... openat resumed>) = 3 [pid 7136] <... write resumed>) = 4 [pid 7135] close(3 [pid 7134] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7137] write(3, "1000", 4 [pid 7136] close(3 [pid 7135] <... close resumed>) = 0 [pid 7137] <... write resumed>) = 4 [pid 7136] <... close resumed>) = 0 [pid 7135] write(1, "executing program\n", 18 [pid 7134] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7137] close(3 [pid 7136] write(1, "executing program\n", 18 [pid 7137] <... close resumed>) = 0 [pid 7137] write(1, "executing program\n", 18 [pid 7136] <... write resumed>) = 18 [pid 7137] <... write resumed>) = 18 [pid 7137] perf_event_open( [pid 7136] perf_event_open(executing program executing program executing program [pid 7137] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7136] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7135] <... write resumed>) = 18 [pid 7134] <... bpf resumed>) = 5 [pid 7133] <... bpf resumed>) = 6 [pid 7135] perf_event_open( [pid 7134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7137] perf_event_open( [pid 7136] perf_event_open( [pid 7135] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7137] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7136] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7133] <... bpf resumed>) = 7 [pid 7135] perf_event_open( [pid 7137] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 7136] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7135] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7134] <... bpf resumed>) = 6 [pid 7133] exit_group(0 [pid 7137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7136] <... bpf resumed>) = 5 [pid 7135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7135] <... bpf resumed>) = 5 [pid 7134] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7133] <... exit_group resumed>) = ? [pid 7137] <... bpf resumed>) = 6 [pid 7136] <... bpf resumed>) = 6 [pid 7135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7133] +++ exited with 0 +++ [pid 7134] <... bpf resumed>) = 7 [pid 7136] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7136] exit_group(0) = ? [pid 7137] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7138 attached ) = 7 [pid 7134] exit_group(0 [pid 7136] +++ exited with 0 +++ [pid 7137] exit_group(0) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7136, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7138] set_robust_list(0x55558c953660, 24 [pid 7135] <... bpf resumed>) = 6 [pid 7134] <... exit_group resumed>) = ? [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7138] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7138 [pid 7138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7137] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7138] setpgid(0, 0 [pid 7135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7138] <... setpgid resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7135] <... bpf resumed>) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7138] write(3, "1000", 4) = 4 [pid 7138] close(3) = 0 [pid 7138] write(1, "executing program\n", 18executing program ) = 18 [pid 7138] perf_event_open( [pid 7135] exit_group(0./strace-static-x86_64: Process 7139 attached [pid 7138] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7138] perf_event_open(./strace-static-x86_64: Process 7140 attached [pid 7139] set_robust_list(0x55558c953660, 24 [pid 7135] <... exit_group resumed>) = ? [pid 7134] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7139 [pid 7140] set_robust_list(0x55558c953660, 24 [pid 7139] <... set_robust_list resumed>) = 0 [pid 7138] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7135] +++ exited with 0 +++ [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7140 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7135, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7140] <... set_robust_list resumed>) = 0 [pid 7139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7139] <... prctl resumed>) = 0 [pid 7138] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7140] <... prctl resumed>) = 0 [pid 7139] setpgid(0, 0 [pid 7138] <... bpf resumed>) = 5 [pid 7140] setpgid(0, 0 [pid 7139] <... setpgid resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7142 attached ./strace-static-x86_64: Process 7141 attached [pid 7140] <... setpgid resumed>) = 0 [pid 7138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7142] set_robust_list(0x55558c953660, 24 [pid 7141] set_robust_list(0x55558c953660, 24 [pid 7140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7139] <... openat resumed>) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7142 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7141 [pid 7142] <... set_robust_list resumed>) = 0 [pid 7141] <... set_robust_list resumed>) = 0 [pid 7142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7140] <... openat resumed>) = 3 [pid 7139] write(3, "1000", 4 [pid 7138] <... bpf resumed>) = 6 [pid 7139] <... write resumed>) = 4 [pid 7139] close(3 [pid 7140] write(3, "1000", 4 [pid 7139] <... close resumed>) = 0 executing program [pid 7140] <... write resumed>) = 4 [pid 7139] write(1, "executing program\n", 18 [pid 7140] close(3 [pid 7139] <... write resumed>) = 18 executing program [pid 7142] <... prctl resumed>) = 0 [pid 7141] <... prctl resumed>) = 0 [pid 7140] <... close resumed>) = 0 [pid 7139] perf_event_open( [pid 7142] setpgid(0, 0 [pid 7140] write(1, "executing program\n", 18 [pid 7142] <... setpgid resumed>) = 0 [pid 7140] <... write resumed>) = 18 [pid 7142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7140] perf_event_open( [pid 7142] <... openat resumed>) = 3 [pid 7141] setpgid(0, 0 [pid 7140] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7142] write(3, "1000", 4 [pid 7141] <... setpgid resumed>) = 0 [pid 7140] perf_event_open( [pid 7138] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7142] <... write resumed>) = 4 [pid 7141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7140] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7139] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7140] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 7139] perf_event_open( [pid 7140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7139] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7142] close(3 [pid 7138] <... bpf resumed>) = 7 [pid 7141] <... openat resumed>) = 3 [pid 7139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7142] <... close resumed>) = 0 [pid 7141] write(3, "1000", 4 [pid 7140] <... bpf resumed>) = 6 [pid 7138] exit_group(0 [pid 7142] write(1, "executing program\n", 18executing program [pid 7141] <... write resumed>) = 4 [pid 7140] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7139] <... bpf resumed>) = 5 [pid 7138] <... exit_group resumed>) = ? [pid 7142] <... write resumed>) = 18 [pid 7141] close(3 [pid 7140] <... bpf resumed>) = 7 [pid 7139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7142] perf_event_open( [pid 7141] <... close resumed>) = 0 [pid 7140] exit_group(0executing program [pid 7142] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7141] write(1, "executing program\n", 18 [pid 7140] <... exit_group resumed>) = ? [pid 7139] <... bpf resumed>) = 6 [pid 7138] +++ exited with 0 +++ [pid 7142] perf_event_open( [pid 7141] <... write resumed>) = 18 [pid 7139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7142] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7141] perf_event_open( [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7142] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7141] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7140] +++ exited with 0 +++ [pid 7139] <... bpf resumed>) = 7 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7140, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7142] <... bpf resumed>) = 5 [pid 7141] perf_event_open( [pid 7139] exit_group(0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7139] <... exit_group resumed>) = ? [pid 7141] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7141] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7143 attached [pid 7141] <... bpf resumed>) = 5 [pid 7141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7143] set_robust_list(0x55558c953660, 24 [pid 7142] <... bpf resumed>) = 6 [pid 7141] <... bpf resumed>) = 6 [pid 7139] +++ exited with 0 +++ [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7143 [pid 7143] <... set_robust_list resumed>) = 0 [pid 7141] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7139, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7142] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7141] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7144 attached [pid 7143] <... prctl resumed>) = 0 [pid 7142] <... bpf resumed>) = 7 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7143] setpgid(0, 0 [pid 7142] exit_group(0 [pid 7141] exit_group(0 [pid 7144] set_robust_list(0x55558c953660, 24 [pid 7143] <... setpgid resumed>) = 0 [pid 7144] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7144 [pid 7141] <... exit_group resumed>) = ? [pid 7144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7142] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7145 attached [pid 7145] set_robust_list(0x55558c953660, 24) = 0 [pid 7145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7145] setpgid(0, 0 [pid 7144] <... prctl resumed>) = 0 [pid 7143] <... openat resumed>) = 3 [pid 7141] +++ exited with 0 +++ [pid 7145] <... setpgid resumed>) = 0 [pid 7144] setpgid(0, 0 [pid 7143] write(3, "1000", 4 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7145 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7144] <... setpgid resumed>) = 0 [pid 7143] <... write resumed>) = 4 [pid 7145] <... openat resumed>) = 3 [pid 7144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7145] write(3, "1000", 4 [pid 7143] close(3executing program ) = 0 [pid 7143] write(1, "executing program\n", 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7145] <... write resumed>) = 4 [pid 7144] <... openat resumed>) = 3 [pid 7143] <... write resumed>) = 18 [pid 7145] close(3) = 0 [pid 7143] perf_event_open( executing program [pid 7145] write(1, "executing program\n", 18) = 18 [pid 7144] write(3, "1000", 4 [pid 7145] perf_event_open( [pid 7144] <... write resumed>) = 4 [pid 7144] close(3) = 0 executing program [pid 7144] write(1, "executing program\n", 18./strace-static-x86_64: Process 7146 attached [pid 7145] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7144] <... write resumed>) = 18 [pid 7143] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7142] +++ exited with 0 +++ [pid 7146] set_robust_list(0x55558c953660, 24 [pid 7145] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7142, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7145] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7146] <... set_robust_list resumed>) = 0 [pid 7143] perf_event_open( [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7146 [pid 7144] perf_event_open( [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7147 attached [pid 7146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7144] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7143] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7145] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7147] set_robust_list(0x55558c953660, 24) = 0 [pid 7146] <... prctl resumed>) = 0 [pid 7144] perf_event_open( [pid 7145] <... bpf resumed>) = 5 [pid 7146] setpgid(0, 0 [pid 7147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7147 [pid 7147] setpgid(0, 0 [pid 7146] <... setpgid resumed>) = 0 [pid 7144] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7147] <... setpgid resumed>) = 0 [pid 7147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7147] write(3, "1000", 4 [pid 7146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7145] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7144] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7143] <... bpf resumed>) = 5 [pid 7146] <... openat resumed>) = 3 [pid 7147] <... write resumed>) = 4 [pid 7146] write(3, "1000", 4 [pid 7147] close(3 [pid 7146] <... write resumed>) = 4 [pid 7144] <... bpf resumed>) = 5 [pid 7143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7147] <... close resumed>) = 0 [pid 7146] close(3 executing program executing program [pid 7144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7147] write(1, "executing program\n", 18 [pid 7146] <... close resumed>) = 0 [pid 7146] write(1, "executing program\n", 18) = 18 [pid 7146] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7146] perf_event_open( [pid 7147] <... write resumed>) = 18 [pid 7145] <... bpf resumed>) = 6 [pid 7144] <... bpf resumed>) = 6 [pid 7143] <... bpf resumed>) = 6 [pid 7147] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7146] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7145] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7144] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7147] perf_event_open( [pid 7143] <... bpf resumed>) = 7 [pid 7147] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7146] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7145] <... bpf resumed>) = 7 [pid 7144] <... bpf resumed>) = 7 [pid 7147] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7143] exit_group(0 [pid 7147] <... bpf resumed>) = 5 [pid 7146] <... bpf resumed>) = 5 [pid 7145] exit_group(0 [pid 7147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7144] exit_group(0 [pid 7143] <... exit_group resumed>) = ? [pid 7146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7145] <... exit_group resumed>) = ? [pid 7144] <... exit_group resumed>) = ? [pid 7143] +++ exited with 0 +++ [pid 7147] <... bpf resumed>) = 6 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7146] <... bpf resumed>) = 6 [pid 7144] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7144, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7146] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7145] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7147] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7145, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7146] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7148 attached [pid 7147] <... bpf resumed>) = 7 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7148] set_robust_list(0x55558c953660, 24 [pid 7147] exit_group(0 [pid 7146] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7148 [pid 7148] <... set_robust_list resumed>) = 0 [pid 7148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7146] <... exit_group resumed>) = ? [pid 7148] <... prctl resumed>) = 0 [pid 7147] <... exit_group resumed>) = ? [pid 7148] setpgid(0, 0 [pid 7146] +++ exited with 0 +++ [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7148] <... setpgid resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7146, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7150 attached ./strace-static-x86_64: Process 7149 attached ./strace-static-x86_64: Process 7151 attached [pid 7148] write(3, "1000", 4 [pid 7150] set_robust_list(0x55558c953660, 24 [pid 7149] set_robust_list(0x55558c953660, 24 [pid 7148] <... write resumed>) = 4 [pid 7150] <... set_robust_list resumed>) = 0 [pid 7148] close(3 [pid 7150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7149] <... set_robust_list resumed>) = 0 [pid 7148] <... close resumed>) = 0 [pid 7151] set_robust_list(0x55558c953660, 24 [pid 7150] <... prctl resumed>) = 0 executing program [pid 7149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7148] write(1, "executing program\n", 18 [pid 7150] setpgid(0, 0 [pid 7149] <... prctl resumed>) = 0 [pid 7148] <... write resumed>) = 18 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7151 [pid 7150] <... setpgid resumed>) = 0 [pid 7149] setpgid(0, 0 [pid 7148] perf_event_open( [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7150 [pid 7151] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7149 [pid 7150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7149] <... setpgid resumed>) = 0 [pid 7151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7150] <... openat resumed>) = 3 [pid 7149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7151] <... prctl resumed>) = 0 [pid 7150] write(3, "1000", 4 [pid 7149] <... openat resumed>) = 3 [pid 7149] write(3, "1000", 4 [pid 7151] setpgid(0, 0executing program [pid 7150] <... write resumed>) = 4 [pid 7150] close(3 [pid 7149] <... write resumed>) = 4 [pid 7150] <... close resumed>) = 0 [pid 7149] close(3 [pid 7150] write(1, "executing program\n", 18 [pid 7149] <... close resumed>) = 0 [pid 7150] <... write resumed>) = 18 executing program [pid 7149] write(1, "executing program\n", 18 [pid 7151] <... setpgid resumed>) = 0 [pid 7150] perf_event_open( [pid 7149] <... write resumed>) = 18 [pid 7149] perf_event_open( [pid 7151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7151] write(3, "1000", 4) = 4 [pid 7151] close(3) = 0 [pid 7151] write(1, "executing program\n", 18executing program ) = 18 [pid 7151] perf_event_open( [pid 7147] +++ exited with 0 +++ [pid 7148] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7148] perf_event_open( [pid 7151] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7150] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7149] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7147, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7151] perf_event_open( [pid 7148] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7151] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7150] perf_event_open( [pid 7149] perf_event_open( [pid 7148] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7150] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7149] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7148] <... bpf resumed>) = 5 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7151] <... bpf resumed>) = 5 [pid 7151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7149] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7151] <... bpf resumed>) = 6 [pid 7150] <... bpf resumed>) = 5 [pid 7149] <... bpf resumed>) = 5 [pid 7148] <... bpf resumed>) = 6 [pid 7150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7151] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7149] <... bpf resumed>) = 6 [pid 7148] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7152 attached [pid 7151] <... bpf resumed>) = 7 [pid 7150] <... bpf resumed>) = 6 [pid 7149] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7148] <... bpf resumed>) = 7 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7152 [pid 7152] set_robust_list(0x55558c953660, 24 [pid 7148] exit_group(0 [pid 7151] exit_group(0 [pid 7150] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7152] <... set_robust_list resumed>) = 0 [pid 7149] <... bpf resumed>) = 7 [pid 7152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7151] <... exit_group resumed>) = ? [pid 7150] <... bpf resumed>) = 7 [pid 7149] exit_group(0 [pid 7148] <... exit_group resumed>) = ? [pid 7152] <... prctl resumed>) = 0 executing program [pid 7152] setpgid(0, 0 [pid 7150] exit_group(0 [pid 7152] <... setpgid resumed>) = 0 [pid 7152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7150] <... exit_group resumed>) = ? [pid 7152] <... openat resumed>) = 3 [pid 7151] +++ exited with 0 +++ [pid 7149] <... exit_group resumed>) = ? [pid 7152] write(3, "1000", 4) = 4 [pid 7152] close(3) = 0 [pid 7152] write(1, "executing program\n", 18) = 18 [pid 7152] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7148] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7152] perf_event_open( [pid 7150] +++ exited with 0 +++ [pid 7152] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7152] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7149] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 7152] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7149, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 7153 attached [pid 5868] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7154 attached [pid 7153] set_robust_list(0x55558c953660, 24 [pid 7152] <... bpf resumed>) = 6 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7153 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7155 attached [pid 7154] set_robust_list(0x55558c953660, 24 [pid 7153] <... set_robust_list resumed>) = 0 [pid 7152] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7154 ./strace-static-x86_64: Process 7156 attached [pid 7155] set_robust_list(0x55558c953660, 24 [pid 7154] <... set_robust_list resumed>) = 0 [pid 7153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7152] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7155 [pid 7154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7153] <... prctl resumed>) = 0 [pid 7156] set_robust_list(0x55558c953660, 24 [pid 7155] <... set_robust_list resumed>) = 0 [pid 7153] setpgid(0, 0 [pid 7154] <... prctl resumed>) = 0 [pid 7153] <... setpgid resumed>) = 0 [pid 7155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7154] setpgid(0, 0 [pid 7153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7152] exit_group(0 [pid 7156] <... set_robust_list resumed>) = 0 [pid 7155] <... prctl resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7156 [pid 7156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7154] <... setpgid resumed>) = 0 [pid 7153] <... openat resumed>) = 3 [pid 7152] <... exit_group resumed>) = ? [pid 7156] <... prctl resumed>) = 0 [pid 7155] setpgid(0, 0 [pid 7154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7156] setpgid(0, 0 [pid 7155] <... setpgid resumed>) = 0 [pid 7156] <... setpgid resumed>) = 0 [pid 7155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7154] <... openat resumed>) = 3 [pid 7153] write(3, "1000", 4 [pid 7155] <... openat resumed>) = 3 [pid 7154] write(3, "1000", 4) = 4 [pid 7153] <... write resumed>) = 4 [pid 7156] <... openat resumed>) = 3 [pid 7153] close(3 [pid 7154] close(3) = 0 executing program executing program [pid 7153] <... close resumed>) = 0 [pid 7156] write(3, "1000", 4 [pid 7155] write(3, "1000", 4 [pid 7154] write(1, "executing program\n", 18 [pid 7153] write(1, "executing program\n", 18 [pid 7156] <... write resumed>) = 4 [pid 7155] <... write resumed>) = 4 [pid 7154] <... write resumed>) = 18 [pid 7153] <... write resumed>) = 18 [pid 7156] close(3 [pid 7155] close(3 [pid 7156] <... close resumed>) = 0 [pid 7155] <... close resumed>) = 0 [pid 7154] perf_event_open( [pid 7156] write(1, "executing program\n", 18 [pid 7153] perf_event_open(executing program executing program [pid 7155] write(1, "executing program\n", 18 [pid 7156] <... write resumed>) = 18 [pid 7156] perf_event_open( [pid 7155] <... write resumed>) = 18 [pid 7155] perf_event_open( [pid 7154] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7152] +++ exited with 0 +++ [pid 7153] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7156] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7154] perf_event_open( [pid 7153] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7152, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7155] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7154] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7156] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7155] perf_event_open( [pid 7153] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7155] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7154] <... bpf resumed>) = 5 [pid 7153] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7156] <... bpf resumed>) = 5 [pid 7154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7153] <... bpf resumed>) = 5 [pid 7155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 7155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7156] <... bpf resumed>) = 6 [pid 7154] <... bpf resumed>) = 6 [pid 7153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7155] <... bpf resumed>) = 6 [pid 7156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7154] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7156] <... bpf resumed>) = 7 [pid 7155] <... bpf resumed>) = 7 [pid 7154] <... bpf resumed>) = 7 [pid 7153] <... bpf resumed>) = 6 [pid 7156] exit_group(0 [pid 7153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7154] exit_group(0 [pid 7153] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7155] exit_group(0 [pid 7156] <... exit_group resumed>) = ? [pid 7155] <... exit_group resumed>) = ? [pid 7154] <... exit_group resumed>) = ? [pid 7153] exit_group(0./strace-static-x86_64: Process 7157 attached [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7157 [pid 7157] set_robust_list(0x55558c953660, 24 [pid 7156] +++ exited with 0 +++ [pid 7155] +++ exited with 0 +++ [pid 7154] +++ exited with 0 +++ [pid 7153] <... exit_group resumed>) = ? [pid 7157] <... set_robust_list resumed>) = 0 [pid 7157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7155, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7156, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7157] <... prctl resumed>) = 0 [pid 7157] setpgid(0, 0) = 0 [pid 7157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7157] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7160 attached ./strace-static-x86_64: Process 7159 attached ./strace-static-x86_64: Process 7158 attached [pid 7159] set_robust_list(0x55558c953660, 24 [pid 7157] write(3, "1000", 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7158 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7159 [pid 7160] set_robust_list(0x55558c953660, 24 [pid 7159] <... set_robust_list resumed>) = 0 [pid 7158] set_robust_list(0x55558c953660, 24 [pid 7157] <... write resumed>) = 4 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7160 [pid 7160] <... set_robust_list resumed>) = 0 [pid 7159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7158] <... set_robust_list resumed>) = 0 [pid 7157] close(3 [pid 7159] <... prctl resumed>) = 0 [pid 7157] <... close resumed>) = 0 executing program [pid 7159] setpgid(0, 0 [pid 7157] write(1, "executing program\n", 18 [pid 7159] <... setpgid resumed>) = 0 [pid 7157] <... write resumed>) = 18 [pid 7160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7160] <... prctl resumed>) = 0 [pid 7159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7158] <... prctl resumed>) = 0 [pid 7157] perf_event_open( [pid 7160] setpgid(0, 0 [pid 7158] setpgid(0, 0 [pid 7159] <... openat resumed>) = 3 [pid 7159] write(3, "1000", 4executing program ) = 4 [pid 7160] <... setpgid resumed>) = 0 [pid 7158] <... setpgid resumed>) = 0 [pid 7159] close(3 [pid 7160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7159] <... close resumed>) = 0 [pid 7158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7160] <... openat resumed>) = 3 [pid 7159] write(1, "executing program\n", 18 [pid 7158] <... openat resumed>) = 3 [pid 7160] write(3, "1000", 4) = 4 [pid 7159] <... write resumed>) = 18 [pid 7158] write(3, "1000", 4 [pid 7160] close(3 [pid 7159] perf_event_open( [pid 7158] <... write resumed>) = 4 [pid 7160] <... close resumed>) = 0 [pid 7158] close(3 [pid 7160] write(1, "executing program\n", 18 [pid 7158] <... close resumed>) = 0 executing program [pid 7160] <... write resumed>) = 18 executing program [pid 7158] write(1, "executing program\n", 18 [pid 7160] perf_event_open( [pid 7158] <... write resumed>) = 18 [pid 7158] perf_event_open( [pid 7160] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7159] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7158] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7157] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7153] +++ exited with 0 +++ [pid 7159] perf_event_open( [pid 7158] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7160] perf_event_open( [pid 7157] perf_event_open( [pid 7160] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7159] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7158] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7160] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7158] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7160] <... bpf resumed>) = 5 [pid 7159] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7157] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7158] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7159] <... bpf resumed>) = 5 [pid 7157] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7161 attached [pid 7159] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7158] <... bpf resumed>) = 6 [pid 7157] <... bpf resumed>) = 5 [pid 7160] <... bpf resumed>) = 6 [pid 7158] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7161] set_robust_list(0x55558c953660, 24 [pid 7160] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7159] <... bpf resumed>) = 6 [pid 7158] exit_group(0 [pid 7157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7161 [pid 7160] <... bpf resumed>) = 7 [pid 7161] <... set_robust_list resumed>) = 0 [pid 7159] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7158] <... exit_group resumed>) = ? [pid 7161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7159] <... bpf resumed>) = 7 [pid 7159] exit_group(0 [pid 7161] <... prctl resumed>) = 0 [pid 7161] setpgid(0, 0) = 0 [pid 7159] <... exit_group resumed>) = ? [pid 7161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7160] exit_group(0 [pid 7159] +++ exited with 0 +++ [pid 7157] <... bpf resumed>) = 6 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7160] <... exit_group resumed>) = ? [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7161] <... openat resumed>) = 3 [pid 7161] write(3, "1000", 4executing program [pid 7160] +++ exited with 0 +++ [pid 7158] +++ exited with 0 +++ [pid 7157] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7161] <... write resumed>) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7160, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7161] close(3) = 0 [pid 7161] write(1, "executing program\n", 18) = 18 [pid 7161] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7158, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7161] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7157] <... bpf resumed>) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7161] perf_event_open(./strace-static-x86_64: Process 7163 attached ./strace-static-x86_64: Process 7162 attached [pid 7157] exit_group(0 [pid 7163] set_robust_list(0x55558c953660, 24 [pid 7162] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7162 [pid 7163] <... set_robust_list resumed>) = 0 [pid 7162] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7163 [pid 7163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7161] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7157] <... exit_group resumed>) = ? [pid 7163] <... prctl resumed>) = 0 [pid 7162] <... prctl resumed>) = 0 [pid 7161] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7157] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7163] setpgid(0, 0 [pid 7162] setpgid(0, 0) = 0 [pid 7161] <... bpf resumed>) = 5 [pid 7161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7164 attached [pid 7163] <... setpgid resumed>) = 0 [pid 7162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7162] <... openat resumed>) = 3 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7164 [pid 7164] set_robust_list(0x55558c953660, 24 [pid 7163] <... openat resumed>) = 3 [pid 7162] write(3, "1000", 4 [pid 7161] <... bpf resumed>) = 6 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7164] <... set_robust_list resumed>) = 0 [pid 7162] <... write resumed>) = 4 [pid 7163] write(3, "1000", 4 [pid 7162] close(3executing program [pid 7163] <... write resumed>) = 4 [pid 7162] <... close resumed>) = 0 [pid 7163] close(3 [pid 7162] write(1, "executing program\n", 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7163] <... close resumed>) = 0 [pid 7162] <... write resumed>) = 18 [pid 7163] write(1, "executing program\n", 18 [pid 7162] perf_event_open( [pid 7163] <... write resumed>) = 18 [pid 7163] perf_event_open( [pid 7162] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7165 attached [pid 7164] <... prctl resumed>) = 0 [pid 7163] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7161] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7165] set_robust_list(0x55558c953660, 24 [pid 7162] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7165 [pid 7164] setpgid(0, 0 [pid 7163] perf_event_open( [pid 7162] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7161] <... bpf resumed>) = 7 [pid 7165] <... set_robust_list resumed>) = 0 [pid 7164] <... setpgid resumed>) = 0 [pid 7163] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7162] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7161] exit_group(0 [pid 7165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7162] <... bpf resumed>) = 5 [pid 7164] <... openat resumed>) = 3 [pid 7161] <... exit_group resumed>) = ? [pid 7165] <... prctl resumed>) = 0 [pid 7164] write(3, "1000", 4 [pid 7163] <... bpf resumed>) = 5 [pid 7162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7165] setpgid(0, 0 [pid 7164] <... write resumed>) = 4 [pid 7165] <... setpgid resumed>) = 0 [pid 7164] close(3 [pid 7165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7164] <... close resumed>) = 0 [pid 7161] +++ exited with 0 +++ [pid 7164] write(1, "executing program\n", 18executing program [pid 7163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7165] <... openat resumed>) = 3 [pid 7164] <... write resumed>) = 18 [pid 7165] write(3, "1000", 4 [pid 7164] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7165] <... write resumed>) = 4 [pid 7164] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7165] close(3 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7165] <... close resumed>) = 0 [pid 7164] perf_event_open(executing program [pid 7165] write(1, "executing program\n", 18 [pid 7164] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7163] <... bpf resumed>) = 6 [pid 7162] <... bpf resumed>) = 6 [pid 7165] <... write resumed>) = 18 [pid 7163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7162] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7165] perf_event_open( [pid 7164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7163] <... bpf resumed>) = 7 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7165] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7162] <... bpf resumed>) = 7 [pid 7164] <... bpf resumed>) = 5 [pid 7163] exit_group(0 [pid 7162] exit_group(0) = ? ./strace-static-x86_64: Process 7166 attached [pid 7165] perf_event_open( [pid 7164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7163] <... exit_group resumed>) = ? [pid 7166] set_robust_list(0x55558c953660, 24 [pid 7165] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7163] +++ exited with 0 +++ [pid 7162] +++ exited with 0 +++ [pid 7166] <... set_robust_list resumed>) = 0 [pid 7164] <... bpf resumed>) = 6 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7166 [pid 7165] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7164] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7165] <... bpf resumed>) = 5 [pid 7166] <... prctl resumed>) = 0 [pid 7164] <... bpf resumed>) = 7 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7166] setpgid(0, 0 [pid 7165] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7166] <... setpgid resumed>) = 0 [pid 7164] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7167 attached [pid 7167] set_robust_list(0x55558c953660, 24) = 0 [pid 7166] <... openat resumed>) = 3 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7167 [pid 7167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7165] <... bpf resumed>) = 6 [pid 7166] write(3, "1000", 4./strace-static-x86_64: Process 7168 attached [pid 7167] <... prctl resumed>) = 0 [pid 7166] <... write resumed>) = 4 [pid 7165] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7164] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7168 [pid 7168] set_robust_list(0x55558c953660, 24 [pid 7167] setpgid(0, 0 [pid 7166] close(3 [pid 7165] <... bpf resumed>) = 7 [pid 7168] <... set_robust_list resumed>) = 0 [pid 7167] <... setpgid resumed>) = 0 [pid 7166] <... close resumed>) = 0 [pid 7165] exit_group(0 [pid 7164] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7166] write(1, "executing program\n", 18executing program [pid 7165] <... exit_group resumed>) = ? [pid 7168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7168] setpgid(0, 0 [pid 7167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7166] <... write resumed>) = 18 [pid 7168] <... setpgid resumed>) = 0 [pid 7167] <... openat resumed>) = 3 [pid 7166] perf_event_open( [pid 7168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7167] write(3, "1000", 4 [pid 7168] <... openat resumed>) = 3 [pid 7167] <... write resumed>) = 4 [pid 7167] close(3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7168] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 7169 attached [pid 7168] close(3 [pid 7167] <... close resumed>) = 0 [pid 7166] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7165] +++ exited with 0 +++ executing program [pid 7169] set_robust_list(0x55558c953660, 24 [pid 7168] <... close resumed>) = 0 [pid 7167] write(1, "executing program\n", 18 [pid 7166] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7169 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7169] <... set_robust_list resumed>) = 0 [pid 7168] write(1, "executing program\n", 18 [pid 7167] <... write resumed>) = 18 executing program [pid 7169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7168] <... write resumed>) = 18 [pid 7167] perf_event_open( [pid 7166] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7169] <... prctl resumed>) = 0 [pid 7168] perf_event_open( [pid 7166] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7169] setpgid(0, 0 [pid 7167] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7169] <... setpgid resumed>) = 0 [pid 7169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7168] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7167] perf_event_open(./strace-static-x86_64: Process 7170 attached [pid 7169] <... openat resumed>) = 3 [pid 7168] perf_event_open( [pid 7167] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7166] <... bpf resumed>) = 5 [pid 7169] write(3, "1000", 4 [pid 7168] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7169] <... write resumed>) = 4 [pid 7166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 7170] set_robust_list(0x55558c953660, 24 [pid 7169] close(3 [pid 7168] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7167] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7170 [pid 7169] <... close resumed>) = 0 [pid 7167] <... bpf resumed>) = 5 [pid 7169] write(1, "executing program\n", 18 [pid 7167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7169] <... write resumed>) = 18 [pid 7170] <... set_robust_list resumed>) = 0 [pid 7169] perf_event_open( [pid 7168] <... bpf resumed>) = 5 [pid 7166] <... bpf resumed>) = 6 [pid 7170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7169] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7166] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7170] <... prctl resumed>) = 0 [pid 7169] perf_event_open( [pid 7168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7166] <... bpf resumed>) = 7 [pid 7170] setpgid(0, 0 [pid 7169] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7166] exit_group(0 [pid 7170] <... setpgid resumed>) = 0 [pid 7169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7168] <... bpf resumed>) = 6 [pid 7167] <... bpf resumed>) = 6 [pid 7166] <... exit_group resumed>) = ? [pid 7170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7169] <... bpf resumed>) = 5 [pid 7169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7167] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7168] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7170] <... openat resumed>) = 3 [pid 7168] <... bpf resumed>) = 7 [pid 7167] <... bpf resumed>) = 7 [pid 7170] write(3, "1000", 4 [pid 7168] exit_group(0 [pid 7167] exit_group(0 [pid 7170] <... write resumed>) = 4 [pid 7168] <... exit_group resumed>) = ? [pid 7170] close(3 [pid 7167] <... exit_group resumed>) = ? [pid 7166] +++ exited with 0 +++ [pid 7170] <... close resumed>) = 0 [pid 7170] write(1, "executing program\n", 18 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7170] <... write resumed>) = 18 executing program [pid 7170] perf_event_open( [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7169] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7171 attached [pid 7170] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7168] +++ exited with 0 +++ [pid 7167] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7168, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7170] perf_event_open( [pid 7169] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7171 [pid 7171] set_robust_list(0x55558c953660, 24 [pid 7170] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7171] <... set_robust_list resumed>) = 0 [pid 7170] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7169] <... bpf resumed>) = 7 [pid 7170] <... bpf resumed>) = 5 [pid 7169] exit_group(0./strace-static-x86_64: Process 7172 attached [pid 7171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7172] set_robust_list(0x55558c953660, 24 [pid 7171] <... prctl resumed>) = 0 [pid 7169] <... exit_group resumed>) = ? [pid 7172] <... set_robust_list resumed>) = 0 [pid 7170] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7172 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7171] setpgid(0, 0 [pid 7172] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7173 attached [pid 7171] <... setpgid resumed>) = 0 [pid 7170] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7169] +++ exited with 0 +++ [pid 7172] <... prctl resumed>) = 0 [pid 7171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7169, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7173 [pid 7173] set_robust_list(0x55558c953660, 24 [pid 7172] setpgid(0, 0 [pid 7171] <... openat resumed>) = 3 [pid 7170] <... bpf resumed>) = 7 [pid 7173] <... set_robust_list resumed>) = 0 [pid 7172] <... setpgid resumed>) = 0 [pid 7171] write(3, "1000", 4 [pid 7170] exit_group(0 [pid 7173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7171] <... write resumed>) = 4 [pid 7173] <... prctl resumed>) = 0 [pid 7171] close(3 [pid 7173] setpgid(0, 0 [pid 7171] <... close resumed>) = 0 [pid 7170] <... exit_group resumed>) = ? executing program [pid 7173] <... setpgid resumed>) = 0 [pid 7172] <... openat resumed>) = 3 [pid 7171] write(1, "executing program\n", 18 [pid 7173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7171] <... write resumed>) = 18 [pid 7172] write(3, "1000", 4) = 4 [pid 7171] perf_event_open( [pid 7172] close(3) = 0 executing program [pid 7172] write(1, "executing program\n", 18 [pid 7173] <... openat resumed>) = 3 [pid 7172] <... write resumed>) = 18 [pid 7173] write(3, "1000", 4 [pid 7172] perf_event_open( [pid 7173] <... write resumed>) = 4 [pid 7173] close(3) = 0 executing program [pid 7173] write(1, "executing program\n", 18 [pid 7172] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7171] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7170] +++ exited with 0 +++ [pid 7171] perf_event_open( [pid 7172] perf_event_open( [pid 7173] <... write resumed>) = 18 [pid 7172] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7171] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7170, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7172] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7173] perf_event_open( [pid 7171] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7173] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7172] <... bpf resumed>) = 5 [pid 7171] <... bpf resumed>) = 5 [pid 7172] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7173] perf_event_open( [pid 7171] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7174 attached [pid 7173] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7174] set_robust_list(0x55558c953660, 24 [pid 7172] <... bpf resumed>) = 6 [pid 7173] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7174] <... set_robust_list resumed>) = 0 [pid 7173] <... bpf resumed>) = 5 [pid 7172] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7171] <... bpf resumed>) = 6 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7174 [pid 7174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7172] <... bpf resumed>) = 7 [pid 7171] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7174] setpgid(0, 0 [pid 7172] exit_group(0./strace-static-x86_64: Process 7175 attached [pid 7174] <... setpgid resumed>) = 0 [pid 7173] <... bpf resumed>) = 6 [pid 7172] <... exit_group resumed>) = ? [pid 7171] <... bpf resumed>) = 7 [pid 7175] set_robust_list(0x55558c953660, 24 [pid 7174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7173] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7171] exit_group(0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7175 [pid 7175] <... set_robust_list resumed>) = 0 [pid 7174] <... openat resumed>) = 3 [pid 7175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7171] <... exit_group resumed>) = ? [pid 7173] <... bpf resumed>) = 7 [pid 7172] +++ exited with 0 +++ [pid 7175] <... prctl resumed>) = 0 [pid 7173] exit_group(0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7172, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7175] setpgid(0, 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7175] <... setpgid resumed>) = 0 [pid 7175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 7174] write(3, "1000", 4 [pid 7173] <... exit_group resumed>) = ? [pid 7174] <... write resumed>) = 4 [pid 7175] write(3, "1000", 4) = 4 [pid 7175] close(3) = 0 [pid 7175] write(1, "executing program\n", 18) = 18 [pid 7171] +++ exited with 0 +++ [pid 7175] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7171, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7175] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7175] perf_event_open( [pid 7174] close(3 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7174] <... close resumed>) = 0 [pid 7174] write(1, "executing program\n", 18executing program [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7174] <... write resumed>) = 18 [pid 7174] perf_event_open(./strace-static-x86_64: Process 7176 attached [pid 7175] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7174] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7173] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7176 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7174] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 7177 attached [pid 7176] set_robust_list(0x55558c953660, 24 [pid 7175] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7177] set_robust_list(0x55558c953660, 24 [pid 7176] <... set_robust_list resumed>) = 0 [pid 7177] <... set_robust_list resumed>) = 0 [pid 7175] <... bpf resumed>) = 5 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7177 [pid 7176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7174] <... bpf resumed>) = 5 [pid 7174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7176] <... prctl resumed>) = 0 [pid 7175] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7178 attached [pid 7177] <... prctl resumed>) = 0 [pid 7176] setpgid(0, 0 [pid 7174] <... bpf resumed>) = 6 [pid 7177] setpgid(0, 0 [pid 7176] <... setpgid resumed>) = 0 [pid 7178] set_robust_list(0x55558c953660, 24) = 0 [pid 7175] <... bpf resumed>) = 6 [pid 7174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7177] <... setpgid resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7178 [pid 7176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7175] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7174] <... bpf resumed>) = 7 [pid 7178] <... prctl resumed>) = 0 [pid 7176] <... openat resumed>) = 3 [pid 7177] <... openat resumed>) = 3 [pid 7178] setpgid(0, 0) = 0 [pid 7175] exit_group(0 [pid 7178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7177] write(3, "1000", 4 [pid 7176] write(3, "1000", 4 [pid 7174] exit_group(0 [pid 7178] <... openat resumed>) = 3 [pid 7177] <... write resumed>) = 4 [pid 7176] <... write resumed>) = 4 [pid 7175] <... exit_group resumed>) = ? [pid 7174] <... exit_group resumed>) = ? [pid 7177] close(3) = 0 [pid 7176] close(3 [pid 7178] write(3, "1000", 4executing program executing program [pid 7177] write(1, "executing program\n", 18 [pid 7176] <... close resumed>) = 0 [pid 7174] +++ exited with 0 +++ [pid 7177] <... write resumed>) = 18 [pid 7176] write(1, "executing program\n", 18 [pid 7178] <... write resumed>) = 4 [pid 7176] <... write resumed>) = 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7178] close(3 [pid 7177] perf_event_open( [pid 7176] perf_event_open(executing program [pid 7178] <... close resumed>) = 0 [pid 7178] write(1, "executing program\n", 18 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7178] <... write resumed>) = 18 [pid 7178] perf_event_open(./strace-static-x86_64: Process 7179 attached [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7179 [pid 7179] set_robust_list(0x55558c953660, 24) = 0 [pid 7179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7179] setpgid(0, 0) = 0 [pid 7179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7179] write(3, "1000", 4) = 4 [pid 7179] close(3) = 0 [pid 7179] write(1, "executing program\n", 18executing program ) = 18 [pid 7179] perf_event_open( [pid 7178] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7177] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7176] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7175] +++ exited with 0 +++ [pid 7177] perf_event_open( [pid 7176] perf_event_open( [pid 7179] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7178] perf_event_open( [pid 7176] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7178] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7177] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7179] perf_event_open( [pid 7178] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7179] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7178] <... bpf resumed>) = 5 [pid 7177] <... bpf resumed>) = 5 [pid 7176] <... bpf resumed>) = 5 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7180 attached [pid 7179] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7180] set_robust_list(0x55558c953660, 24 [pid 7179] <... bpf resumed>) = 5 [pid 7178] <... bpf resumed>) = 6 [pid 7180] <... set_robust_list resumed>) = 0 [pid 7179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7177] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7180 [pid 7180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7178] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7176] <... bpf resumed>) = 6 [pid 7180] <... prctl resumed>) = 0 [pid 7178] <... bpf resumed>) = 7 [pid 7176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7180] setpgid(0, 0 [pid 7176] <... bpf resumed>) = 7 [pid 7180] <... setpgid resumed>) = 0 [pid 7178] exit_group(0 [pid 7177] <... bpf resumed>) = 7 [pid 7180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7176] exit_group(0) = ? [pid 7180] <... openat resumed>) = 3 [pid 7178] <... exit_group resumed>) = ? [pid 7180] write(3, "1000", 4 [pid 7179] <... bpf resumed>) = 6 [pid 7178] +++ exited with 0 +++ [pid 7177] exit_group(0 [pid 7180] <... write resumed>) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7180] close(3 [pid 7176] +++ exited with 0 +++ [pid 7177] <... exit_group resumed>) = ? [pid 7180] <... close resumed>) = 0 executing program [pid 7180] write(1, "executing program\n", 18 [pid 7179] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... restart_syscall resumed>) = 0 [pid 7180] <... write resumed>) = 18 [pid 7179] <... bpf resumed>) = 7 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7180] perf_event_open( [pid 5871] <... restart_syscall resumed>) = 0 [pid 7180] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7179] exit_group(0 [pid 7180] perf_event_open( [pid 7179] <... exit_group resumed>) = ? [pid 7177] +++ exited with 0 +++ [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7181 attached [pid 7180] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7177, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7181 ./strace-static-x86_64: Process 7182 attached [pid 7181] set_robust_list(0x55558c953660, 24 [pid 7180] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7179] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 7182] set_robust_list(0x55558c953660, 24 [pid 7181] <... set_robust_list resumed>) = 0 [pid 7182] <... set_robust_list resumed>) = 0 [pid 7181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7180] <... bpf resumed>) = 5 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7182 [pid 7182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7181] <... prctl resumed>) = 0 [pid 7180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7182] setpgid(0, 0 [pid 7181] setpgid(0, 0 [pid 7182] <... setpgid resumed>) = 0 [pid 7181] <... setpgid resumed>) = 0 [pid 7182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7180] <... bpf resumed>) = 6 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7182] <... openat resumed>) = 3 [pid 7181] <... openat resumed>) = 3 [pid 7181] write(3, "1000", 4./strace-static-x86_64: Process 7184 attached ./strace-static-x86_64: Process 7183 attached [pid 7182] write(3, "1000", 4 [pid 7180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7184] set_robust_list(0x55558c953660, 24 [pid 7183] set_robust_list(0x55558c953660, 24 [pid 7182] <... write resumed>) = 4 [pid 7181] <... write resumed>) = 4 [pid 7180] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7184 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7183 [pid 7182] close(3 [pid 7181] close(3 [pid 7184] <... set_robust_list resumed>) = 0 [pid 7183] <... set_robust_list resumed>) = 0 [pid 7182] <... close resumed>) = 0 [pid 7181] <... close resumed>) = 0 [pid 7184] prctl(PR_SET_PDEATHSIG, SIGKILL executing program executing program [pid 7183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7182] write(1, "executing program\n", 18 [pid 7181] write(1, "executing program\n", 18 [pid 7180] exit_group(0 [pid 7184] <... prctl resumed>) = 0 [pid 7183] <... prctl resumed>) = 0 [pid 7182] <... write resumed>) = 18 [pid 7181] <... write resumed>) = 18 [pid 7180] <... exit_group resumed>) = ? [pid 7184] setpgid(0, 0 [pid 7183] setpgid(0, 0 [pid 7182] perf_event_open( [pid 7184] <... setpgid resumed>) = 0 [pid 7183] <... setpgid resumed>) = 0 [pid 7182] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7181] perf_event_open( [pid 7184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7182] perf_event_open( [pid 7184] <... openat resumed>) = 3 [pid 7183] <... openat resumed>) = 3 [pid 7181] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7181] perf_event_open( [pid 7184] write(3, "1000", 4 [pid 7183] write(3, "1000", 4 [pid 7182] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7181] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7180] +++ exited with 0 +++ [pid 7184] <... write resumed>) = 4 [pid 7183] <... write resumed>) = 4 [pid 7181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7180, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7184] close(3 [pid 7183] close(3 [pid 7182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7184] <... close resumed>) = 0 [pid 7183] <... close resumed>) = 0 [pid 7181] <... bpf resumed>) = 5 [pid 7182] <... bpf resumed>) = 5 [pid 7184] write(1, "executing program\n", 18 [pid 7183] write(1, "executing program\n", 18executing program executing program [pid 7181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7184] <... write resumed>) = 18 [pid 7183] <... write resumed>) = 18 [pid 7184] perf_event_open( [pid 7182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7184] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7183] perf_event_open( [pid 7182] <... bpf resumed>) = 6 [pid 7181] <... bpf resumed>) = 6 [pid 7184] perf_event_open( [pid 7183] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7184] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7183] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7182] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7183] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7182] <... bpf resumed>) = 7 [pid 7184] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7183] <... bpf resumed>) = 5 [pid 7182] exit_group(0 [pid 7184] <... bpf resumed>) = 5 [pid 7182] <... exit_group resumed>) = ? [pid 7181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7182] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7182, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 7185 attached [pid 7183] <... bpf resumed>) = 6 [pid 7181] <... bpf resumed>) = 7 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7185] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7186 attached ) = 0 [pid 7184] <... bpf resumed>) = 6 [pid 7181] exit_group(0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7185 [pid 7183] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7186] set_robust_list(0x55558c953660, 24 [pid 7185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7184] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7181] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7186 [pid 7186] <... set_robust_list resumed>) = 0 [pid 7185] <... prctl resumed>) = 0 [pid 7184] <... bpf resumed>) = 7 [pid 7186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7185] setpgid(0, 0 [pid 7184] exit_group(0 [pid 7185] <... setpgid resumed>) = 0 [pid 7183] <... bpf resumed>) = 7 [pid 7186] <... prctl resumed>) = 0 [pid 7185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7184] <... exit_group resumed>) = ? [pid 7183] exit_group(0 [pid 7181] +++ exited with 0 +++ [pid 7186] setpgid(0, 0 [pid 7183] <... exit_group resumed>) = ? [pid 7186] <... setpgid resumed>) = 0 [pid 7186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7185] <... openat resumed>) = 3 [pid 7183] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7181, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7186] <... openat resumed>) = 3 [pid 7185] write(3, "1000", 4 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7185] <... write resumed>) = 4 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7186] write(3, "1000", 4 [pid 7185] close(3) = 0 [pid 7185] write(1, "executing program\n", 18executing program ) = 18 [pid 7186] <... write resumed>) = 4 [pid 7185] perf_event_open( [pid 7186] close(3 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7186] <... close resumed>) = 0 executing program [pid 7186] write(1, "executing program\n", 18) = 18 [pid 7186] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7188 attached ./strace-static-x86_64: Process 7187 attached [pid 7188] set_robust_list(0x55558c953660, 24) = 0 [pid 7187] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7187 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7188 [pid 7188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7187] <... set_robust_list resumed>) = 0 [pid 7188] <... prctl resumed>) = 0 [pid 7188] setpgid(0, 0 [pid 7187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7188] <... setpgid resumed>) = 0 [pid 7188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7187] <... prctl resumed>) = 0 [pid 7187] setpgid(0, 0) = 0 [pid 7187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7188] <... openat resumed>) = 3 [pid 7187] write(3, "1000", 4 [pid 7188] write(3, "1000", 4 [pid 7187] <... write resumed>) = 4 [pid 7187] close(3executing program [pid 7188] <... write resumed>) = 4 [pid 7187] <... close resumed>) = 0 [pid 7188] close(3 [pid 7187] write(1, "executing program\n", 18) = 18 executing program [pid 7187] perf_event_open( [pid 7188] <... close resumed>) = 0 [pid 7188] write(1, "executing program\n", 18) = 18 [pid 7188] perf_event_open( [pid 7185] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7186] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7184] +++ exited with 0 +++ [pid 7187] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7188] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7187] perf_event_open( [pid 7186] perf_event_open( [pid 7185] perf_event_open( [pid 7188] perf_event_open( [pid 7187] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7184, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7186] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7187] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7186] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7185] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7188] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7187] <... bpf resumed>) = 5 [pid 7186] <... bpf resumed>) = 5 [pid 7185] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7188] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7187] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7185] <... bpf resumed>) = 5 [pid 7188] <... bpf resumed>) = 5 [pid 7188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 6 [pid 7186] <... bpf resumed>) = 6 [pid 7185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7188] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7187] <... bpf resumed>) = 6 [pid 7186] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7185] <... bpf resumed>) = 6 [pid 7188] <... bpf resumed>) = 7 [pid 7187] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7186] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7188] exit_group(0 [pid 7186] exit_group(0 [pid 7185] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7188] <... exit_group resumed>) = ? [pid 7187] exit_group(0 [pid 7186] <... exit_group resumed>) = ? [pid 7185] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7189 attached [pid 7187] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7189 [pid 7188] +++ exited with 0 +++ [pid 7187] +++ exited with 0 +++ [pid 7189] set_robust_list(0x55558c953660, 24 [pid 7185] exit_group(0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7189] <... set_robust_list resumed>) = 0 [pid 7185] <... exit_group resumed>) = ? [pid 7189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7189] <... prctl resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7189] setpgid(0, 0 [pid 7186] +++ exited with 0 +++ [pid 7189] <... setpgid resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... restart_syscall resumed>) = 0 [pid 7189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7189] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7190 attached [pid 7189] write(3, "1000", 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7191 attached [pid 7190] set_robust_list(0x55558c953660, 24 [pid 7191] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7191 [pid 7191] <... set_robust_list resumed>) = 0 [pid 7191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7192 attached [pid 7190] <... set_robust_list resumed>) = 0 [pid 7189] <... write resumed>) = 4 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7190 [pid 7192] set_robust_list(0x55558c953660, 24 [pid 7191] setpgid(0, 0 [pid 7190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7189] close(3 [pid 7192] <... set_robust_list resumed>) = 0 [pid 7191] <... setpgid resumed>) = 0 [pid 7190] <... prctl resumed>) = 0 [pid 7189] <... close resumed>) = 0 executing program [pid 7190] setpgid(0, 0 [pid 7189] write(1, "executing program\n", 18 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7192 [pid 7192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7190] <... setpgid resumed>) = 0 [pid 7189] <... write resumed>) = 18 [pid 7192] <... prctl resumed>) = 0 [pid 7190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7192] setpgid(0, 0 [pid 7191] <... openat resumed>) = 3 [pid 7189] perf_event_open( [pid 7192] <... setpgid resumed>) = 0 [pid 7191] write(3, "1000", 4 [pid 7190] <... openat resumed>) = 3 [pid 7192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7191] <... write resumed>) = 4 [pid 7191] close(3 [pid 7190] write(3, "1000", 4) = 4 [pid 7191] <... close resumed>) = 0 [pid 7190] close(3 [pid 7192] <... openat resumed>) = 3 executing program [pid 7191] write(1, "executing program\n", 18 [pid 7190] <... close resumed>) = 0 [pid 7192] write(3, "1000", 4 [pid 7191] <... write resumed>) = 18 [pid 7192] <... write resumed>) = 4 [pid 7191] perf_event_open( [pid 7192] close(3) = 0 executing program [pid 7190] write(1, "executing program\n", 18 executing program [pid 7192] write(1, "executing program\n", 18) = 18 [pid 7190] <... write resumed>) = 18 [pid 7192] perf_event_open( [pid 7190] perf_event_open( [pid 7189] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7185] +++ exited with 0 +++ [pid 7191] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7189] perf_event_open( [pid 7191] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7192] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7190] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7189] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7190] perf_event_open( [pid 7192] perf_event_open( [pid 7191] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7190] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7192] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7189] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7192] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7191] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7190] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7192] <... bpf resumed>) = 5 [pid 7191] <... bpf resumed>) = 5 [pid 7189] <... bpf resumed>) = 5 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7190] <... bpf resumed>) = 5 [pid 7192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7190] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7189] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7191] <... bpf resumed>) = 6 [pid 7192] <... bpf resumed>) = 6 [pid 7191] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7190] <... bpf resumed>) = 6 [pid 7189] <... bpf resumed>) = 6 [pid 7190] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7189] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7192] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7191] <... bpf resumed>) = 7 [pid 7190] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7192] <... bpf resumed>) = 7 [pid 7191] exit_group(0 [pid 7190] exit_group(0 [pid 7189] <... bpf resumed>) = 7 [pid 7190] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7193 attached [pid 7192] exit_group(0 [pid 7191] <... exit_group resumed>) = ? [pid 7189] exit_group(0 [pid 7193] set_robust_list(0x55558c953660, 24 [pid 7189] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7193 [pid 7193] <... set_robust_list resumed>) = 0 [pid 7192] <... exit_group resumed>) = ? [pid 7192] +++ exited with 0 +++ [pid 7189] +++ exited with 0 +++ [pid 7193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7190] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7193] <... prctl resumed>) = 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7193] setpgid(0, 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7193] <... setpgid resumed>) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7193] write(3, "1000", 4executing program ) = 4 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7193] close(3) = 0 [pid 7193] write(1, "executing program\n", 18) = 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7193] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7194 attached [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7194 ./strace-static-x86_64: Process 7195 attached [pid 7194] set_robust_list(0x55558c953660, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7195 [pid 7194] <... set_robust_list resumed>) = 0 [pid 7194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7194] setpgid(0, 0./strace-static-x86_64: Process 7196 attached [pid 7195] set_robust_list(0x55558c953660, 24 [pid 7196] set_robust_list(0x55558c953660, 24 [pid 7194] <... setpgid resumed>) = 0 [pid 7196] <... set_robust_list resumed>) = 0 [pid 7195] <... set_robust_list resumed>) = 0 [pid 7194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7196 [pid 7195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7195] setpgid(0, 0 [pid 7194] <... openat resumed>) = 3 [pid 7196] <... prctl resumed>) = 0 [pid 7196] setpgid(0, 0) = 0 [pid 7196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7194] write(3, "1000", 4 [pid 7196] <... openat resumed>) = 3 [pid 7195] <... setpgid resumed>) = 0 [pid 7194] <... write resumed>) = 4 [pid 7196] write(3, "1000", 4) = 4 [pid 7196] close(3 [pid 7195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7194] close(3 [pid 7196] <... close resumed>) = 0 [pid 7196] write(1, "executing program\n", 18) = 18 [pid 7194] <... close resumed>) = 0 executing program [pid 7196] perf_event_open(executing program [pid 7194] write(1, "executing program\n", 18) = 18 [pid 7194] perf_event_open( [pid 7195] <... openat resumed>) = 3 [pid 7196] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7193] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7194] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7191] +++ exited with 0 +++ [pid 7195] write(3, "1000", 4 [pid 7196] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7195] <... write resumed>) = 4 [pid 7194] perf_event_open( [pid 7193] perf_event_open( [pid 7196] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7195] close(3 [pid 7194] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7193] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7196] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7195] <... close resumed>) = 0 [pid 7194] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7193] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 executing program [pid 7196] <... bpf resumed>) = 5 [pid 7195] write(1, "executing program\n", 18 [pid 7194] <... bpf resumed>) = 5 [pid 7193] <... bpf resumed>) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7195] <... write resumed>) = 18 [pid 7194] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7197 attached [pid 7196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7195] perf_event_open( [pid 7193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7197] set_robust_list(0x55558c953660, 24 [pid 7196] <... bpf resumed>) = 6 [pid 7195] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7194] <... bpf resumed>) = 6 [pid 7197] <... set_robust_list resumed>) = 0 [pid 7193] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7197 [pid 7197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7193] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7195] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7197] <... prctl resumed>) = 0 [pid 7196] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7194] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7193] <... bpf resumed>) = 7 [pid 7197] setpgid(0, 0 [pid 7196] <... bpf resumed>) = 7 [pid 7195] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7194] <... bpf resumed>) = 7 [pid 7193] exit_group(0 [pid 7197] <... setpgid resumed>) = 0 [pid 7195] <... bpf resumed>) = 5 [pid 7197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7194] exit_group(0 [pid 7197] <... openat resumed>) = 3 [pid 7196] exit_group(0 [pid 7195] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7193] <... exit_group resumed>) = ? [pid 7197] write(3, "1000", 4 [pid 7194] <... exit_group resumed>) = ? [pid 7196] <... exit_group resumed>) = ? [pid 7195] <... bpf resumed>) = 6 [pid 7193] +++ exited with 0 +++ [pid 7197] <... write resumed>) = 4 [pid 7196] +++ exited with 0 +++ [pid 7195] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7194] +++ exited with 0 +++ [pid 7197] close(3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7196, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7195] <... bpf resumed>) = 7 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7197] <... close resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 7197] write(1, "executing program\n", 18) = 18 [pid 7197] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7197] perf_event_open(./strace-static-x86_64: Process 7198 attached {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7197] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7195] exit_group(0 [pid 7198] set_robust_list(0x55558c953660, 24 [pid 7197] <... bpf resumed>) = 5 [pid 7198] <... set_robust_list resumed>) = 0 [pid 7197] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7195] <... exit_group resumed>) = ? [pid 7198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7198 [pid 7198] <... prctl resumed>) = 0 [pid 7197] <... bpf resumed>) = 6 [pid 7197] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7198] setpgid(0, 0 [pid 7195] +++ exited with 0 +++ [pid 7198] <... setpgid resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7197] <... bpf resumed>) = 7 [pid 7198] <... openat resumed>) = 3 [pid 7197] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7197] <... exit_group resumed>) = ? executing program ./strace-static-x86_64: Process 7199 attached [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7200 attached [pid 7198] write(3, "1000", 4) = 4 [pid 7198] close(3) = 0 [pid 7198] write(1, "executing program\n", 18) = 18 [pid 7198] perf_event_open(./strace-static-x86_64: Process 7201 attached [pid 7200] set_robust_list(0x55558c953660, 24 [pid 7199] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7199 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7200 [pid 7199] <... set_robust_list resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7201 [pid 7201] set_robust_list(0x55558c953660, 24 [pid 7200] <... set_robust_list resumed>) = 0 [pid 7199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7201] <... set_robust_list resumed>) = 0 [pid 7200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7199] setpgid(0, 0 [pid 7201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7200] <... prctl resumed>) = 0 [pid 7199] <... setpgid resumed>) = 0 [pid 7201] <... prctl resumed>) = 0 [pid 7200] setpgid(0, 0) = 0 [pid 7201] setpgid(0, 0 [pid 7199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7201] <... setpgid resumed>) = 0 [pid 7200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7199] <... openat resumed>) = 3 [pid 7200] <... openat resumed>) = 3 [pid 7200] write(3, "1000", 4 [pid 7199] write(3, "1000", 4 [pid 7201] <... openat resumed>) = 3 [pid 7200] <... write resumed>) = 4 [pid 7199] <... write resumed>) = 4 [pid 7200] close(3 [pid 7199] close(3 [pid 7200] <... close resumed>) = 0 executing program executing program [pid 7199] <... close resumed>) = 0 [pid 7200] write(1, "executing program\n", 18 [pid 7199] write(1, "executing program\n", 18 [pid 7200] <... write resumed>) = 18 [pid 7199] <... write resumed>) = 18 [pid 7201] write(3, "1000", 4 [pid 7200] perf_event_open( [pid 7201] <... write resumed>) = 4 [pid 7199] perf_event_open( [pid 7201] close(3) = 0 executing program [pid 7201] write(1, "executing program\n", 18) = 18 [pid 7201] perf_event_open( [pid 7197] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7201] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7200] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7199] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7198] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7201] perf_event_open( [pid 7199] perf_event_open( [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7201] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7200] perf_event_open( [pid 7198] perf_event_open( [pid 7201] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7199] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7201] <... bpf resumed>) = 5 [pid 7200] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7199] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7198] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7200] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7198] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7201] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7200] <... bpf resumed>) = 5 [pid 7199] <... bpf resumed>) = 5 [pid 7198] <... bpf resumed>) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7202 attached [pid 7201] <... bpf resumed>) = 6 [pid 7199] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7202] set_robust_list(0x55558c953660, 24 [pid 7201] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7201] exit_group(0) = ? [pid 7202] <... set_robust_list resumed>) = 0 [pid 7200] <... bpf resumed>) = 6 [pid 7199] <... bpf resumed>) = 6 [pid 7198] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7202 [pid 7202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7200] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7199] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7198] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7202] <... prctl resumed>) = 0 [pid 7202] setpgid(0, 0 [pid 7200] <... bpf resumed>) = 7 [pid 7199] <... bpf resumed>) = 7 [pid 7198] <... bpf resumed>) = 7 [pid 7202] <... setpgid resumed>) = 0 [pid 7200] exit_group(0 [pid 7202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7200] <... exit_group resumed>) = ? [pid 7199] exit_group(0 [pid 7198] exit_group(0 [pid 7201] +++ exited with 0 +++ [pid 7202] <... openat resumed>) = 3 [pid 7198] <... exit_group resumed>) = ? [pid 7199] <... exit_group resumed>) = ? [pid 7202] write(3, "1000", 4 [pid 7200] +++ exited with 0 +++ [pid 7198] +++ exited with 0 +++ [pid 7202] <... write resumed>) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7201, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7202] close(3 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7202] <... close resumed>) = 0 [pid 5875] <... restart_syscall resumed>) = 0 executing program [pid 7202] write(1, "executing program\n", 18) = 18 [pid 7202] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7203 attached [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7203 ./strace-static-x86_64: Process 7204 attached [pid 7203] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7205 attached [pid 7204] set_robust_list(0x55558c953660, 24 [pid 7203] <... set_robust_list resumed>) = 0 [pid 7205] set_robust_list(0x55558c953660, 24 [pid 7204] <... set_robust_list resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7205 [pid 7205] <... set_robust_list resumed>) = 0 [pid 7204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7204 [pid 7205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7204] <... prctl resumed>) = 0 [pid 7203] <... prctl resumed>) = 0 [pid 7204] setpgid(0, 0 [pid 7203] setpgid(0, 0 [pid 7204] <... setpgid resumed>) = 0 [pid 7203] <... setpgid resumed>) = 0 [pid 7205] <... prctl resumed>) = 0 [pid 7205] setpgid(0, 0) = 0 [pid 7205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7205] <... openat resumed>) = 3 [pid 7204] <... openat resumed>) = 3 [pid 7203] <... openat resumed>) = 3 [pid 7205] write(3, "1000", 4 [pid 7203] write(3, "1000", 4 [pid 7205] <... write resumed>) = 4 [pid 7204] write(3, "1000", 4 [pid 7203] <... write resumed>) = 4 [pid 7205] close(3) = 0 [pid 7203] close(3) = 0 [pid 7205] write(1, "executing program\n", 18 [pid 7204] <... write resumed>) = 4 executing program [pid 7205] <... write resumed>) = 18 [pid 7204] close(3executing program [pid 7203] write(1, "executing program\n", 18 [pid 7205] perf_event_open( [pid 7204] <... close resumed>) = 0 [pid 7203] <... write resumed>) = 18 [pid 7203] perf_event_open( [pid 7204] write(1, "executing program\n", 18executing program ) = 18 [pid 7204] perf_event_open( [pid 7199] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7205] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7202] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7203] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7205] perf_event_open( [pid 7202] perf_event_open( [pid 7205] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7204] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7203] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7205] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7204] perf_event_open( [pid 7203] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7202] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7206 attached [pid 7205] <... bpf resumed>) = 5 [pid 7204] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7203] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7202] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7206] set_robust_list(0x55558c953660, 24 [pid 7205] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7204] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7203] <... bpf resumed>) = 5 [pid 7202] <... bpf resumed>) = 5 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7206 [pid 7206] <... set_robust_list resumed>) = 0 [pid 7204] <... bpf resumed>) = 5 [pid 7203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7202] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7205] <... bpf resumed>) = 6 [pid 7204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7205] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7202] <... bpf resumed>) = 6 [pid 7206] <... prctl resumed>) = 0 [pid 7205] <... bpf resumed>) = 7 [pid 7205] exit_group(0) = ? [pid 7206] setpgid(0, 0 [pid 7204] <... bpf resumed>) = 6 [pid 7203] <... bpf resumed>) = 6 [pid 7202] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7206] <... setpgid resumed>) = 0 [pid 7202] <... bpf resumed>) = 7 [pid 7206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7203] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7202] exit_group(0 [pid 7206] <... openat resumed>) = 3 [pid 7204] <... bpf resumed>) = 7 [pid 7203] <... bpf resumed>) = 7 [pid 7202] <... exit_group resumed>) = ? [pid 7206] write(3, "1000", 4) = 4 [pid 7203] exit_group(0 [pid 7206] close(3 [pid 7204] exit_group(0 [pid 7206] <... close resumed>) = 0 [pid 7206] write(1, "executing program\n", 18 [pid 7204] <... exit_group resumed>) = ? [pid 7203] <... exit_group resumed>) = ? [pid 7205] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7205, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...>executing program [pid 7206] <... write resumed>) = 18 [pid 7206] perf_event_open( [pid 7204] +++ exited with 0 +++ [pid 7203] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7204, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7207 attached ./strace-static-x86_64: Process 7208 attached [pid 7207] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7207 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7208] set_robust_list(0x55558c953660, 24) = 0 [pid 7208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7208] setpgid(0, 0./strace-static-x86_64: Process 7209 attached ) = 0 [pid 7207] <... set_robust_list resumed>) = 0 [pid 7209] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7209 [pid 7209] <... set_robust_list resumed>) = 0 [pid 7208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7208 [pid 7209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7209] setpgid(0, 0 [pid 7208] <... openat resumed>) = 3 [pid 7207] <... prctl resumed>) = 0 [pid 7206] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7202] +++ exited with 0 +++ [pid 7209] <... setpgid resumed>) = 0 [pid 7208] write(3, "1000", 4 [pid 7207] setpgid(0, 0 [pid 7209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7208] <... write resumed>) = 4 [pid 7208] close(3 [pid 7207] <... setpgid resumed>) = 0 [pid 7209] <... openat resumed>) = 3 [pid 7208] <... close resumed>) = 0 [pid 7207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 7208] write(1, "executing program\n", 18) = 18 [pid 7208] perf_event_open( [pid 7206] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7209] write(3, "1000", 4 [pid 7208] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7207] <... openat resumed>) = 3 [pid 7206] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7209] <... write resumed>) = 4 [pid 7209] close(3) = 0 executing program [pid 7206] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7208] perf_event_open( [pid 7207] write(3, "1000", 4 [pid 7209] write(1, "executing program\n", 18) = 18 [pid 7209] perf_event_open( [pid 7206] <... bpf resumed>) = 5 [pid 7209] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7209] perf_event_open(executing program [pid 7208] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7207] <... write resumed>) = 4 [pid 7206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7209] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7208] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7207] close(3 [pid 7209] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7207] <... close resumed>) = 0 [pid 7209] <... bpf resumed>) = 5 [pid 7207] write(1, "executing program\n", 18 [pid 7206] <... bpf resumed>) = 6 [pid 7209] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7207] <... write resumed>) = 18 [pid 7208] <... bpf resumed>) = 5 [pid 7207] perf_event_open( [pid 7208] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7209] <... bpf resumed>) = 6 [pid 7208] <... bpf resumed>) = 6 [pid 7207] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7207] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7210 attached [pid 7209] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7208] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7207] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7206] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7210 [pid 7210] set_robust_list(0x55558c953660, 24 [pid 7208] <... bpf resumed>) = 7 [pid 7207] <... bpf resumed>) = 5 [pid 7210] <... set_robust_list resumed>) = 0 [pid 7208] exit_group(0 [pid 7207] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7206] <... bpf resumed>) = 7 [pid 7209] <... bpf resumed>) = 7 [pid 7210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7209] exit_group(0 [pid 7208] <... exit_group resumed>) = ? [pid 7206] exit_group(0 [pid 7210] <... prctl resumed>) = 0 [pid 7207] <... bpf resumed>) = 6 [pid 7210] setpgid(0, 0 [pid 7209] <... exit_group resumed>) = ? [pid 7207] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7206] <... exit_group resumed>) = ? [pid 7207] <... bpf resumed>) = 7 [pid 7210] <... setpgid resumed>) = 0 [pid 7209] +++ exited with 0 +++ [pid 7208] +++ exited with 0 +++ [pid 7207] exit_group(0 [pid 7206] +++ exited with 0 +++ [pid 7210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7207] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7208, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7210] <... openat resumed>) = 3 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7210] write(3, "1000", 4) = 4 [pid 7210] close(3) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7210] write(1, "executing program\n", 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7210] <... write resumed>) = 18 [pid 7210] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7211 attached ./strace-static-x86_64: Process 7212 attached [pid 7211] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7211 ./strace-static-x86_64: Process 7213 attached [pid 7212] set_robust_list(0x55558c953660, 24 [pid 7211] <... set_robust_list resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7212 [pid 7213] set_robust_list(0x55558c953660, 24 [pid 7212] <... set_robust_list resumed>) = 0 [pid 7211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7213 [pid 7213] <... set_robust_list resumed>) = 0 [pid 7212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7211] <... prctl resumed>) = 0 [pid 7213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7212] <... prctl resumed>) = 0 [pid 7211] setpgid(0, 0 [pid 7213] <... prctl resumed>) = 0 [pid 7212] setpgid(0, 0 [pid 7213] setpgid(0, 0 [pid 7211] <... setpgid resumed>) = 0 [pid 7213] <... setpgid resumed>) = 0 [pid 7213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7212] <... setpgid resumed>) = 0 [pid 7213] <... openat resumed>) = 3 [pid 7212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7213] write(3, "1000", 4) = 4 executing program [pid 7212] <... openat resumed>) = 3 [pid 7211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7210] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7207] +++ exited with 0 +++ [pid 7213] close(3) = 0 [pid 7212] write(3, "1000", 4 [pid 7213] write(1, "executing program\n", 18 [pid 7212] <... write resumed>) = 4 [pid 7213] <... write resumed>) = 18 [pid 7212] close(3 [pid 7211] <... openat resumed>) = 3 [pid 7210] perf_event_open( [pid 7213] perf_event_open( [pid 7212] <... close resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 7213] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7212] write(1, "executing program\n", 18) = 18 [pid 7213] perf_event_open( [pid 7212] perf_event_open( [pid 7211] write(3, "1000", 4 [pid 7210] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7213] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7211] <... write resumed>) = 4 [pid 7210] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7213] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7212] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7211] close(3 [pid 7213] <... bpf resumed>) = 5 [pid 7210] <... bpf resumed>) = 5 [pid 7212] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7211] <... close resumed>) = 0 [pid 7213] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 executing program [pid 7210] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7211] write(1, "executing program\n", 18 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7212] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7211] <... write resumed>) = 18 [pid 7212] <... bpf resumed>) = 5 [pid 7211] perf_event_open( [pid 7213] <... bpf resumed>) = 6 [pid 7212] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7211] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7212] <... bpf resumed>) = 6 [pid 7211] perf_event_open( [pid 7210] <... bpf resumed>) = 6 [pid 7211] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7214 attached [pid 7213] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7212] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7211] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7210] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7214] set_robust_list(0x55558c953660, 24 [pid 7213] <... bpf resumed>) = 7 [pid 7212] <... bpf resumed>) = 7 [pid 7211] <... bpf resumed>) = 5 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7214 [pid 7214] <... set_robust_list resumed>) = 0 [pid 7211] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7210] <... bpf resumed>) = 7 [pid 7214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7213] exit_group(0 [pid 7212] exit_group(0 [pid 7214] <... prctl resumed>) = 0 [pid 7214] setpgid(0, 0) = 0 [pid 7213] <... exit_group resumed>) = ? [pid 7212] <... exit_group resumed>) = ? [pid 7211] <... bpf resumed>) = 6 [pid 7210] exit_group(0 [pid 7214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7210] <... exit_group resumed>) = ? [pid 7214] <... openat resumed>) = 3 [pid 7211] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7214] write(3, "1000", 4 [pid 7211] exit_group(0 [pid 7210] +++ exited with 0 +++ [pid 7214] <... write resumed>) = 4 [pid 7214] close(3) = 0 executing program [pid 7211] <... exit_group resumed>) = ? [pid 7214] write(1, "executing program\n", 18) = 18 [pid 7214] perf_event_open( [pid 7213] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7214] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7212] +++ exited with 0 +++ [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7214] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7212, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7217 attached ./strace-static-x86_64: Process 7216 attached [pid 7217] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7217 [pid 7217] <... set_robust_list resumed>) = 0 [pid 7217] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7218 attached [pid 7216] set_robust_list(0x55558c953660, 24 [pid 7218] set_robust_list(0x55558c953660, 24 [pid 7217] <... prctl resumed>) = 0 [pid 7216] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7216 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7218 [pid 7218] <... set_robust_list resumed>) = 0 [pid 7217] setpgid(0, 0 [pid 7216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7214] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7211] +++ exited with 0 +++ [pid 7217] <... setpgid resumed>) = 0 [pid 7216] <... prctl resumed>) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7211, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7216] setpgid(0, 0 [pid 7214] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7218] <... prctl resumed>) = 0 [pid 7217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7216] <... setpgid resumed>) = 0 [pid 7218] setpgid(0, 0 [pid 7214] <... bpf resumed>) = 5 [pid 7216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7218] <... setpgid resumed>) = 0 [pid 7217] <... openat resumed>) = 3 [pid 7214] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7217] write(3, "1000", 4 [pid 7216] <... openat resumed>) = 3 [pid 7217] <... write resumed>) = 4 [pid 7218] <... openat resumed>) = 3 [pid 7217] close(3 [pid 7216] write(3, "1000", 4 [pid 7218] write(3, "1000", 4 [pid 7216] <... write resumed>) = 4 [pid 7218] <... write resumed>) = 4 [pid 7217] <... close resumed>) = 0 [pid 7216] close(3 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7218] close(3executing program [pid 7217] write(1, "executing program\n", 18 [pid 7216] <... close resumed>) = 0 [pid 7214] <... bpf resumed>) = 6 [pid 7218] <... close resumed>) = 0 [pid 7216] write(1, "executing program\n", 18 [pid 7217] <... write resumed>) = 18 executing program executing program [pid 7218] write(1, "executing program\n", 18 [pid 7217] perf_event_open( [pid 7216] <... write resumed>) = 18 [pid 7214] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7218] <... write resumed>) = 18 [pid 7216] perf_event_open( [pid 7218] perf_event_open( [pid 7217] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7219 attached [pid 7219] set_robust_list(0x55558c953660, 24 [pid 7218] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7217] perf_event_open( [pid 7216] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7214] <... bpf resumed>) = 7 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7219 [pid 7219] <... set_robust_list resumed>) = 0 [pid 7218] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7216] perf_event_open( [pid 7214] exit_group(0 [pid 7218] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7217] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7216] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7218] <... bpf resumed>) = 5 [pid 7214] <... exit_group resumed>) = ? [pid 7216] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7219] <... prctl resumed>) = 0 [pid 7218] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7217] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7214] +++ exited with 0 +++ [pid 7219] setpgid(0, 0 [pid 7216] <... bpf resumed>) = 5 [pid 7219] <... setpgid resumed>) = 0 [pid 7217] <... bpf resumed>) = 5 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7217] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7217] <... bpf resumed>) = 6 [pid 7216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7219] <... openat resumed>) = 3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7218] <... bpf resumed>) = 6 [pid 7216] <... bpf resumed>) = 6 [pid 7219] write(3, "1000", 4) = 4 [pid 7218] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7220 attached [pid 7219] close(3 [pid 7217] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7220] set_robust_list(0x55558c953660, 24 [pid 7219] <... close resumed>) = 0 [pid 7220] <... set_robust_list resumed>) = 0 executing program [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7220 [pid 7219] write(1, "executing program\n", 18 [pid 7220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7219] <... write resumed>) = 18 [pid 7220] <... prctl resumed>) = 0 [pid 7219] perf_event_open( [pid 7218] <... bpf resumed>) = 7 [pid 7220] setpgid(0, 0 [pid 7219] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7218] exit_group(0 [pid 7217] <... bpf resumed>) = 7 [pid 7216] <... bpf resumed>) = 7 [pid 7220] <... setpgid resumed>) = 0 [pid 7220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7219] perf_event_open( [pid 7218] <... exit_group resumed>) = ? [pid 7217] exit_group(0 [pid 7216] exit_group(0 [pid 7220] <... openat resumed>) = 3 [pid 7219] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7217] <... exit_group resumed>) = ? [pid 7216] <... exit_group resumed>) = ? [pid 7218] +++ exited with 0 +++ [pid 7220] write(3, "1000", 4) = 4 [pid 7220] close(3 [pid 7219] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7217] +++ exited with 0 +++ [pid 7216] +++ exited with 0 +++ executing program [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7216, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7220] <... close resumed>) = 0 [pid 7219] <... bpf resumed>) = 5 [pid 7220] write(1, "executing program\n", 18 [pid 7219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7221 attached [pid 7220] <... write resumed>) = 18 [pid 7220] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7221] set_robust_list(0x55558c953660, 24 [pid 7220] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7222 attached [pid 7221] <... set_robust_list resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7221 [pid 7222] set_robust_list(0x55558c953660, 24 [pid 7221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7220] perf_event_open( [pid 7219] <... bpf resumed>) = 6 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7222 [pid 7222] <... set_robust_list resumed>) = 0 [pid 7222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7221] <... prctl resumed>) = 0 [pid 7220] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7221] setpgid(0, 0 [pid 7222] <... prctl resumed>) = 0 [pid 7221] <... setpgid resumed>) = 0 [pid 7219] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7222] setpgid(0, 0 [pid 7221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7220] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7222] <... setpgid resumed>) = 0 executing program [pid 7221] <... openat resumed>) = 3 [pid 7219] <... bpf resumed>) = 7 [pid 7222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7221] write(3, "1000", 4 [pid 7220] <... bpf resumed>) = 5 [pid 7219] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7220] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7219] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7223 attached [pid 7222] <... openat resumed>) = 3 [pid 7221] <... write resumed>) = 4 [pid 7220] <... bpf resumed>) = 6 [pid 7219] +++ exited with 0 +++ [pid 7223] set_robust_list(0x55558c953660, 24 [pid 7222] write(3, "1000", 4 [pid 7221] close(3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7223 [pid 7223] <... set_robust_list resumed>) = 0 [pid 7222] <... write resumed>) = 4 [pid 7221] <... close resumed>) = 0 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7222] close(3 [pid 7221] write(1, "executing program\n", 18 [pid 7222] <... close resumed>) = 0 [pid 7221] <... write resumed>) = 18 [pid 7223] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 7222] write(1, "executing program\n", 18 [pid 7221] perf_event_open( [pid 7220] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7223] <... prctl resumed>) = 0 [pid 7222] <... write resumed>) = 18 [pid 7223] setpgid(0, 0 [pid 7222] perf_event_open( [pid 7221] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7223] <... setpgid resumed>) = 0 [pid 7222] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7221] perf_event_open( [pid 7220] <... bpf resumed>) = 7 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7223] <... openat resumed>) = 3 [pid 7222] perf_event_open( [pid 7221] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7223] write(3, "1000", 4 [pid 7220] exit_group(0 [pid 7223] <... write resumed>) = 4 [pid 7223] close(3) = 0 [pid 7222] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 7221] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7220] <... exit_group resumed>) = ? [pid 7223] write(1, "executing program\n", 18 [pid 7222] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7221] <... bpf resumed>) = 5 [pid 7223] <... write resumed>) = 18 [pid 7223] perf_event_open( [pid 7221] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7223] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7222] <... bpf resumed>) = 5 [pid 7220] +++ exited with 0 +++ ./strace-static-x86_64: Process 7224 attached [pid 7223] perf_event_open( [pid 7222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7224] set_robust_list(0x55558c953660, 24) = 0 [pid 7223] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7221] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7224 [pid 7224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7222] <... bpf resumed>) = 6 [pid 7221] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7224] <... prctl resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7224] setpgid(0, 0 [pid 7221] <... bpf resumed>) = 7 [pid 7223] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7222] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7225 attached [pid 7224] <... setpgid resumed>) = 0 [pid 7223] <... bpf resumed>) = 5 [pid 7222] <... bpf resumed>) = 7 [pid 7225] set_robust_list(0x55558c953660, 24 [pid 7223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7221] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7225 [pid 7224] <... openat resumed>) = 3 [pid 7222] exit_group(0 [pid 7225] <... set_robust_list resumed>) = 0 [pid 7224] write(3, "1000", 4 [pid 7221] <... exit_group resumed>) = ? [pid 7224] <... write resumed>) = 4 [pid 7224] close(3 [pid 7225] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 7224] <... close resumed>) = 0 [pid 7224] write(1, "executing program\n", 18 [pid 7222] <... exit_group resumed>) = ? [pid 7225] setpgid(0, 0 [pid 7224] <... write resumed>) = 18 [pid 7225] <... setpgid resumed>) = 0 [pid 7224] perf_event_open( [pid 7225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7224] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7224] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7224] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7221] +++ exited with 0 +++ [pid 7224] <... bpf resumed>) = 5 [pid 7225] <... openat resumed>) = 3 [pid 7223] <... bpf resumed>) = 6 [pid 7222] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7221, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7225] write(3, "1000", 4 [pid 7224] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7223] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7225] <... write resumed>) = 4 [pid 7225] close(3 [pid 7224] <... bpf resumed>) = 6 [pid 7225] <... close resumed>) = 0 [pid 7223] <... bpf resumed>) = 7 [pid 7225] write(1, "executing program\n", 18executing program [pid 7224] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7225] <... write resumed>) = 18 [pid 7224] <... bpf resumed>) = 7 [pid 7223] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7225] perf_event_open( [pid 7224] exit_group(0 [pid 7223] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7226 attached ./strace-static-x86_64: Process 7227 attached [pid 7226] set_robust_list(0x55558c953660, 24 [pid 7225] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7224] <... exit_group resumed>) = ? [pid 7227] set_robust_list(0x55558c953660, 24 [pid 7226] <... set_robust_list resumed>) = 0 [pid 7225] perf_event_open( [pid 7227] <... set_robust_list resumed>) = 0 [pid 7227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7223] +++ exited with 0 +++ [pid 7227] <... prctl resumed>) = 0 [pid 7227] setpgid(0, 0) = 0 [pid 7227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7227] write(3, "1000", 4 [pid 7226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7225] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7224] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7227 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7226 [pid 7227] <... write resumed>) = 4 [pid 7225] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7227] close(3 [pid 7226] <... prctl resumed>) = 0 [pid 7225] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7227] <... close resumed>) = 0 [pid 7226] setpgid(0, 0 executing program [pid 7227] write(1, "executing program\n", 18 [pid 7226] <... setpgid resumed>) = 0 [pid 7225] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7227] <... write resumed>) = 18 [pid 7227] perf_event_open( [pid 7226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7229 attached ./strace-static-x86_64: Process 7228 attached [pid 7227] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7226] <... openat resumed>) = 3 [pid 7227] perf_event_open( [pid 7226] write(3, "1000", 4) = 4 [pid 7226] close(3 [pid 7225] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7228 [pid 7227] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7229] set_robust_list(0x55558c953660, 24 [pid 7226] <... close resumed>) = 0 [pid 7229] <... set_robust_list resumed>) = 0 [pid 7228] set_robust_list(0x55558c953660, 24 [pid 7227] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program [pid 7226] write(1, "executing program\n", 18 [pid 7225] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7229 [pid 7229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7228] <... set_robust_list resumed>) = 0 [pid 7227] <... bpf resumed>) = 5 [pid 7226] <... write resumed>) = 18 [pid 7225] <... bpf resumed>) = 7 [pid 7228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7226] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7229] <... prctl resumed>) = 0 [pid 7228] <... prctl resumed>) = 0 [pid 7226] perf_event_open( [pid 7229] setpgid(0, 0 [pid 7228] setpgid(0, 0 [pid 7226] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7228] <... setpgid resumed>) = 0 [pid 7229] <... setpgid resumed>) = 0 [pid 7225] exit_group(0 [pid 7229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7227] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7226] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7229] <... openat resumed>) = 3 [pid 7228] <... openat resumed>) = 3 [pid 7225] <... exit_group resumed>) = ? [pid 7229] write(3, "1000", 4 [pid 7228] write(3, "1000", 4 [pid 7229] <... write resumed>) = 4 [pid 7228] <... write resumed>) = 4 [pid 7229] close(3 [pid 7228] close(3 [pid 7229] <... close resumed>) = 0 [pid 7228] <... close resumed>) = 0 executing program [pid 7229] write(1, "executing program\n", 18executing program [pid 7228] write(1, "executing program\n", 18 [pid 7229] <... write resumed>) = 18 [pid 7228] <... write resumed>) = 18 [pid 7229] perf_event_open( [pid 7228] perf_event_open( [pid 7229] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7228] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7225] +++ exited with 0 +++ [pid 7226] <... bpf resumed>) = 5 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7229] perf_event_open( [pid 7228] perf_event_open( [pid 7226] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7229] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7228] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7227] <... bpf resumed>) = 6 [pid 7229] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 7228] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7229] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7228] <... bpf resumed>) = 5 [pid 7227] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7226] <... bpf resumed>) = 6 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7230 attached [pid 7228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7227] <... bpf resumed>) = 7 [pid 7226] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7227] exit_group(0 [pid 7230] set_robust_list(0x55558c953660, 24 [pid 7229] <... bpf resumed>) = 6 [pid 7227] <... exit_group resumed>) = ? [pid 7226] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7230 [pid 7230] <... set_robust_list resumed>) = 0 [pid 7229] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7229] <... bpf resumed>) = 7 [pid 7228] <... bpf resumed>) = 6 [pid 7226] exit_group(0 [pid 7228] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7227] +++ exited with 0 +++ [pid 7226] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7227, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7228] <... bpf resumed>) = 7 [pid 7230] <... prctl resumed>) = 0 [pid 7229] exit_group(0 [pid 7226] +++ exited with 0 +++ [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7230] setpgid(0, 0 [pid 7228] exit_group(0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7230] <... setpgid resumed>) = 0 [pid 7229] <... exit_group resumed>) = ? [pid 5868] <... restart_syscall resumed>) = 0 [pid 7230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7229] +++ exited with 0 +++ [pid 7228] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7230] <... openat resumed>) = 3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7230] write(3, "1000", 4) = 4 [pid 7230] close(3) = 0 executing program [pid 7230] write(1, "executing program\n", 18) = 18 [pid 7230] perf_event_open(./strace-static-x86_64: Process 7232 attached ./strace-static-x86_64: Process 7231 attached {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7228] +++ exited with 0 +++ [pid 7232] set_robust_list(0x55558c953660, 24) = 0 [pid 7232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7231] set_robust_list(0x55558c953660, 24 [pid 7230] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7231 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7232 [pid 7232] setpgid(0, 0 [pid 7231] <... set_robust_list resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7232] <... setpgid resumed>) = 0 [pid 7232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7231] <... prctl resumed>) = 0 [pid 7230] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7233 attached [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7233 [pid 7233] set_robust_list(0x55558c953660, 24 [pid 7232] <... openat resumed>) = 3 [pid 7231] setpgid(0, 0 [pid 7230] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7232] write(3, "1000", 4 [pid 7231] <... setpgid resumed>) = 0 [pid 7230] <... bpf resumed>) = 5 [pid 7233] <... set_robust_list resumed>) = 0 [pid 7232] <... write resumed>) = 4 [pid 7231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7230] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7232] close(3 [pid 7231] <... openat resumed>) = 3 [pid 7233] <... prctl resumed>) = 0 [pid 7232] <... close resumed>) = 0 [pid 7231] write(3, "1000", 4 [pid 7233] setpgid(0, 0executing program [pid 7232] write(1, "executing program\n", 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7233] <... setpgid resumed>) = 0 [pid 7232] <... write resumed>) = 18 [pid 7231] <... write resumed>) = 4 [pid 7233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7231] close(3 [pid 7230] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7235 attached [pid 7231] <... close resumed>) = 0 executing program [pid 7232] perf_event_open( [pid 7231] write(1, "executing program\n", 18 [pid 7230] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7233] <... openat resumed>) = 3 [pid 7232] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7231] <... write resumed>) = 18 [pid 7230] <... bpf resumed>) = 7 [pid 7235] set_robust_list(0x55558c953660, 24 [pid 7233] write(3, "1000", 4 [pid 7232] perf_event_open( [pid 7231] perf_event_open( [pid 7235] <... set_robust_list resumed>) = 0 [pid 7233] <... write resumed>) = 4 [pid 7235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7233] close(3 [pid 7231] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7230] exit_group(0 [pid 7235] <... prctl resumed>) = 0 [pid 7233] <... close resumed>) = 0 [pid 7232] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7231] perf_event_open( [pid 7230] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7235 [pid 7235] setpgid(0, 0executing program [pid 7233] write(1, "executing program\n", 18 [pid 7231] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7235] <... setpgid resumed>) = 0 [pid 7233] <... write resumed>) = 18 [pid 7235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7233] perf_event_open( [pid 7232] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7231] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7232] <... bpf resumed>) = 5 [pid 7235] <... openat resumed>) = 3 [pid 7233] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7231] <... bpf resumed>) = 5 [pid 7235] write(3, "1000", 4 [pid 7233] perf_event_open( [pid 7230] +++ exited with 0 +++ [pid 7235] <... write resumed>) = 4 [pid 7233] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7235] close(3 [pid 7231] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7235] <... close resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 7235] write(1, "executing program\n", 18 [pid 7233] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7235] <... write resumed>) = 18 [pid 7233] <... bpf resumed>) = 5 [pid 7231] <... bpf resumed>) = 6 [pid 7235] perf_event_open( [pid 7233] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7235] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7235] perf_event_open( [pid 7233] <... bpf resumed>) = 6 [pid 7235] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7232] <... bpf resumed>) = 6 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7235] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7235] <... bpf resumed>) = 5 [pid 7235] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7236 attached ) = 6 [pid 7233] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7232] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7231] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7233] <... bpf resumed>) = 7 [pid 7232] <... bpf resumed>) = 7 [pid 7231] <... bpf resumed>) = 7 [pid 7236] set_robust_list(0x55558c953660, 24 [pid 7233] exit_group(0 [pid 7231] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7236 [pid 7233] <... exit_group resumed>) = ? [pid 7236] <... set_robust_list resumed>) = 0 [pid 7233] +++ exited with 0 +++ [pid 7232] exit_group(0 [pid 7231] <... exit_group resumed>) = ? [pid 7236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7235] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7235] exit_group(0) = ? ./strace-static-x86_64: Process 7238 attached [pid 7236] <... prctl resumed>) = 0 [pid 7232] <... exit_group resumed>) = ? [pid 7231] +++ exited with 0 +++ [pid 7238] set_robust_list(0x55558c953660, 24 [pid 7236] setpgid(0, 0 [pid 7235] +++ exited with 0 +++ [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7238 [pid 7236] <... setpgid resumed>) = 0 [pid 7236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7236] write(3, "1000", 4) = 4 [pid 7236] close(3executing program ) = 0 [pid 7238] <... set_robust_list resumed>) = 0 [pid 7236] write(1, "executing program\n", 18 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7236] <... write resumed>) = 18 [pid 7238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7236] perf_event_open( [pid 7238] <... prctl resumed>) = 0 [pid 7238] setpgid(0, 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7239 attached [pid 7238] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7240 attached [pid 7238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7239] set_robust_list(0x55558c953660, 24 [pid 7240] set_robust_list(0x55558c953660, 24 [pid 7239] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7239 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7240 [pid 7240] <... set_robust_list resumed>) = 0 [pid 7239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7238] <... openat resumed>) = 3 [pid 7240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7239] <... prctl resumed>) = 0 [pid 7238] write(3, "1000", 4) = 4 [pid 7240] <... prctl resumed>) = 0 [pid 7239] setpgid(0, 0 [pid 7238] close(3 [pid 7239] <... setpgid resumed>) = 0 [pid 7240] setpgid(0, 0 [pid 7238] <... close resumed>) = 0 [pid 7240] <... setpgid resumed>) = 0 [pid 7239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7238] write(1, "executing program\n", 18executing program [pid 7240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7239] <... openat resumed>) = 3 [pid 7238] <... write resumed>) = 18 [pid 7239] write(3, "1000", 4 [pid 7240] <... openat resumed>) = 3 [pid 7238] perf_event_open( [pid 7240] write(3, "1000", 4 [pid 7239] <... write resumed>) = 4 [pid 7240] <... write resumed>) = 4 [pid 7239] close(3 [pid 7240] close(3 [pid 7239] <... close resumed>) = 0 executing program executing program [pid 7240] <... close resumed>) = 0 [pid 7239] write(1, "executing program\n", 18 [pid 7240] write(1, "executing program\n", 18 [pid 7239] <... write resumed>) = 18 [pid 7240] <... write resumed>) = 18 [pid 7240] perf_event_open( [pid 7239] perf_event_open( [pid 7238] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7236] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7232] +++ exited with 0 +++ [pid 7240] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7239] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7238] perf_event_open( [pid 7236] perf_event_open( [pid 7240] perf_event_open( [pid 7239] perf_event_open( [pid 7238] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7236] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7232, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7240] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7239] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7238] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7240] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7239] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7238] <... bpf resumed>) = 5 [pid 7236] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7240] <... bpf resumed>) = 5 [pid 7239] <... bpf resumed>) = 5 [pid 7236] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 7241 attached [pid 7239] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7238] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7241] set_robust_list(0x55558c953660, 24 [pid 7239] <... bpf resumed>) = 6 [pid 7236] <... bpf resumed>) = 6 [pid 7239] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7241] <... set_robust_list resumed>) = 0 [pid 7240] <... bpf resumed>) = 6 [pid 7238] <... bpf resumed>) = 6 [pid 7239] <... bpf resumed>) = 7 [pid 7236] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7241 [pid 7238] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7240] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7239] exit_group(0 [pid 7236] <... bpf resumed>) = 7 [pid 7241] <... prctl resumed>) = 0 [pid 7240] <... bpf resumed>) = 7 [pid 7239] <... exit_group resumed>) = ? [pid 7238] <... bpf resumed>) = 7 [pid 7236] exit_group(0 [pid 7241] setpgid(0, 0 [pid 7240] exit_group(0 [pid 7241] <... setpgid resumed>) = 0 [pid 7241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7238] exit_group(0 [pid 7240] <... exit_group resumed>) = ? [pid 7236] <... exit_group resumed>) = ? [pid 7241] <... openat resumed>) = 3 [pid 7239] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7241] write(3, "1000", 4 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7241] <... write resumed>) = 4 [pid 7241] close(3) = 0 [pid 7240] +++ exited with 0 +++ [pid 7238] <... exit_group resumed>) = ? [pid 7236] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7240, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7241] write(1, "executing program\n", 18 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7241] <... write resumed>) = 18 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7242 attached [pid 7241] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7243 attached [pid 7243] set_robust_list(0x55558c953660, 24) = 0 ./strace-static-x86_64: Process 7244 attached [pid 7243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7242] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7242 [pid 7242] <... set_robust_list resumed>) = 0 [pid 7243] <... prctl resumed>) = 0 [pid 7244] set_robust_list(0x55558c953660, 24 [pid 7242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7244 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7243 [pid 7244] <... set_robust_list resumed>) = 0 [pid 7242] <... prctl resumed>) = 0 [pid 7243] setpgid(0, 0 [pid 7242] setpgid(0, 0 [pid 7243] <... setpgid resumed>) = 0 [pid 7243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7242] <... setpgid resumed>) = 0 [pid 7243] <... openat resumed>) = 3 [pid 7244] <... prctl resumed>) = 0 [pid 7242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7244] setpgid(0, 0 [pid 7243] write(3, "1000", 4 [pid 7242] <... openat resumed>) = 3 [pid 7244] <... setpgid resumed>) = 0 [pid 7243] <... write resumed>) = 4 [pid 7243] close(3 [pid 7244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7243] <... close resumed>) = 0 [pid 7242] write(3, "1000", 4 [pid 7243] write(1, "executing program\n", 18executing program ) = 18 [pid 7243] perf_event_open( [pid 7244] <... openat resumed>) = 3 [pid 7244] write(3, "1000", 4 [pid 7243] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7242] <... write resumed>) = 4 [pid 7241] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7238] +++ exited with 0 +++ [pid 7244] <... write resumed>) = 4 [pid 7244] close(3 [pid 7242] close(3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7244] <... close resumed>) = 0 [pid 7242] <... close resumed>) = 0 executing program executing program [pid 7244] write(1, "executing program\n", 18 [pid 7243] perf_event_open( [pid 7242] write(1, "executing program\n", 18 [pid 7241] perf_event_open( [pid 7244] <... write resumed>) = 18 [pid 7242] <... write resumed>) = 18 [pid 7244] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7242] perf_event_open( [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7241] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7244] perf_event_open( [pid 7243] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7242] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7241] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 7245 attached [pid 7243] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7245] set_robust_list(0x55558c953660, 24 [pid 7244] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7242] perf_event_open( [pid 7241] <... bpf resumed>) = 5 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7245 [pid 7245] <... set_robust_list resumed>) = 0 [pid 7243] <... bpf resumed>) = 5 [pid 7245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7245] setpgid(0, 0 [pid 7242] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7245] <... setpgid resumed>) = 0 [pid 7245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7244] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7242] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7241] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7245] <... openat resumed>) = 3 [pid 7244] <... bpf resumed>) = 5 [pid 7242] <... bpf resumed>) = 5 [pid 7243] <... bpf resumed>) = 6 [pid 7245] write(3, "1000", 4 [pid 7244] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7243] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7242] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7241] <... bpf resumed>) = 6 [pid 7245] <... write resumed>) = 4 [pid 7243] <... bpf resumed>) = 7 [pid 7243] exit_group(0 [pid 7241] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7245] close(3) = 0 [pid 7243] <... exit_group resumed>) = ? [pid 7241] <... bpf resumed>) = 7 [pid 7245] write(1, "executing program\n", 18executing program [pid 7243] +++ exited with 0 +++ [pid 7245] <... write resumed>) = 18 [pid 7245] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7241] exit_group(0 [pid 7245] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7241] <... exit_group resumed>) = ? [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7242] <... bpf resumed>) = 6 [pid 7244] <... bpf resumed>) = 6 [pid 7244] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7242] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7245] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7244] exit_group(0 [pid 7245] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7242] <... bpf resumed>) = 7 [pid 7241] +++ exited with 0 +++ [pid 7244] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7245] <... bpf resumed>) = 5 [pid 7242] exit_group(0) = ? [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7241, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7245] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7246 attached [pid 7244] +++ exited with 0 +++ [pid 7242] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7246 [pid 7246] set_robust_list(0x55558c953660, 24 [pid 7245] <... bpf resumed>) = 6 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7242, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7246] <... set_robust_list resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7245] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7247 attached [pid 7246] <... prctl resumed>) = 0 [pid 7247] set_robust_list(0x55558c953660, 24 [pid 7245] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7249 attached ./strace-static-x86_64: Process 7248 attached [pid 7247] <... set_robust_list resumed>) = 0 [pid 7246] setpgid(0, 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7247 [pid 7249] set_robust_list(0x55558c953660, 24 [pid 7248] set_robust_list(0x55558c953660, 24 [pid 7247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7246] <... setpgid resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7248 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7249 [pid 7245] exit_group(0 [pid 7249] <... set_robust_list resumed>) = 0 [pid 7248] <... set_robust_list resumed>) = 0 [pid 7247] <... prctl resumed>) = 0 [pid 7246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7245] <... exit_group resumed>) = ? [pid 7249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7247] setpgid(0, 0 [pid 7246] <... openat resumed>) = 3 [pid 7249] <... prctl resumed>) = 0 [pid 7248] <... prctl resumed>) = 0 [pid 7247] <... setpgid resumed>) = 0 [pid 7246] write(3, "1000", 4 [pid 7249] setpgid(0, 0 [pid 7248] setpgid(0, 0 [pid 7247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7246] <... write resumed>) = 4 [pid 7249] <... setpgid resumed>) = 0 [pid 7248] <... setpgid resumed>) = 0 [pid 7249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7247] <... openat resumed>) = 3 [pid 7246] close(3) = 0 executing program [pid 7249] <... openat resumed>) = 3 [pid 7248] <... openat resumed>) = 3 [pid 7247] write(3, "1000", 4) = 4 [pid 7249] write(3, "1000", 4 [pid 7246] write(1, "executing program\n", 18 [pid 7249] <... write resumed>) = 4 [pid 7247] close(3 [pid 7246] <... write resumed>) = 18 [pid 7249] close(3 [pid 7248] write(3, "1000", 4 [pid 7247] <... close resumed>) = 0 [pid 7246] perf_event_open( [pid 7249] <... close resumed>) = 0 [pid 7248] <... write resumed>) = 4 executing program [pid 7247] write(1, "executing program\n", 18 [pid 7249] write(1, "executing program\n", 18 [pid 7248] close(3executing program executing program [pid 7247] <... write resumed>) = 18 [pid 7249] <... write resumed>) = 18 [pid 7248] <... close resumed>) = 0 [pid 7247] perf_event_open( [pid 7248] write(1, "executing program\n", 18 [pid 7249] perf_event_open( [pid 7248] <... write resumed>) = 18 [pid 7248] perf_event_open( [pid 7245] +++ exited with 0 +++ [pid 7246] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7245, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7249] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7248] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7247] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7249] perf_event_open( [pid 7248] perf_event_open( [pid 7247] perf_event_open( [pid 7246] perf_event_open( [pid 7249] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7248] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7247] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7246] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7249] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7248] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7247] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7246] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7249] <... bpf resumed>) = 5 [pid 7248] <... bpf resumed>) = 5 [pid 7247] <... bpf resumed>) = 5 [pid 7249] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7248] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7246] <... bpf resumed>) = 5 [pid 7247] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7248] <... bpf resumed>) = 6 [pid 7247] <... bpf resumed>) = 6 [pid 7246] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7249] <... bpf resumed>) = 6 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7247] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7250 attached [pid 7249] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7248] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7246] <... bpf resumed>) = 6 [pid 7250] set_robust_list(0x55558c953660, 24 [pid 7247] <... bpf resumed>) = 7 [pid 7249] <... bpf resumed>) = 7 [pid 7250] <... set_robust_list resumed>) = 0 [pid 7248] <... bpf resumed>) = 7 [pid 7250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7250 [pid 7249] exit_group(0 [pid 7250] <... prctl resumed>) = 0 [pid 7248] exit_group(0 [pid 7247] exit_group(0 [pid 7246] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7248] <... exit_group resumed>) = ? [pid 7247] <... exit_group resumed>) = ? [pid 7250] setpgid(0, 0 [pid 7249] <... exit_group resumed>) = ? [pid 7248] +++ exited with 0 +++ [pid 7246] <... bpf resumed>) = 7 [pid 7250] <... setpgid resumed>) = 0 [pid 7247] +++ exited with 0 +++ [pid 7246] exit_group(0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7248, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7246] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7251 attached [pid 7250] <... openat resumed>) = 3 [pid 7249] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 7251] set_robust_list(0x55558c953660, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7250] write(3, "1000", 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7251 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7250] <... write resumed>) = 4 executing program [pid 7251] <... set_robust_list resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7253 attached [pid 7250] close(3 [pid 7251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7250] <... close resumed>) = 0 [pid 7250] write(1, "executing program\n", 18) = 18 [pid 7250] perf_event_open( [pid 7253] set_robust_list(0x55558c953660, 24) = 0 ./strace-static-x86_64: Process 7254 attached [pid 7251] <... prctl resumed>) = 0 [pid 7253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7254] set_robust_list(0x55558c953660, 24 [pid 7251] setpgid(0, 0 [pid 7250] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7246] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7254 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7253 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7254] <... set_robust_list resumed>) = 0 [pid 7253] <... prctl resumed>) = 0 [pid 7251] <... setpgid resumed>) = 0 [pid 7250] perf_event_open( [pid 7254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7254] <... prctl resumed>) = 0 [pid 7253] setpgid(0, 0 [pid 7251] <... openat resumed>) = 3 [pid 7250] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7254] setpgid(0, 0 [pid 7253] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7255 attached [pid 7254] <... setpgid resumed>) = 0 [pid 7253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7251] write(3, "1000", 4 [pid 7250] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7255 [pid 7255] set_robust_list(0x55558c953660, 24 [pid 7254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7253] <... openat resumed>) = 3 [pid 7251] <... write resumed>) = 4 [pid 7255] <... set_robust_list resumed>) = 0 [pid 7254] <... openat resumed>) = 3 [pid 7253] write(3, "1000", 4 [pid 7251] close(3 [pid 7250] <... bpf resumed>) = 5 [pid 7255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7253] <... write resumed>) = 4 [pid 7251] <... close resumed>) = 0 executing program [pid 7255] setpgid(0, 0 [pid 7254] write(3, "1000", 4 [pid 7253] close(3 [pid 7251] write(1, "executing program\n", 18 [pid 7250] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7255] <... setpgid resumed>) = 0 [pid 7254] <... write resumed>) = 4 [pid 7253] <... close resumed>) = 0 [pid 7251] <... write resumed>) = 18 [pid 7255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7254] close(3executing program [pid 7253] write(1, "executing program\n", 18 [pid 7251] perf_event_open( [pid 7255] <... openat resumed>) = 3 [pid 7254] <... close resumed>) = 0 [pid 7253] <... write resumed>) = 18 [pid 7250] <... bpf resumed>) = 6 [pid 7255] write(3, "1000", 4 [pid 7254] write(1, "executing program\n", 18executing program [pid 7253] perf_event_open( [pid 7250] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7255] <... write resumed>) = 4 [pid 7254] <... write resumed>) = 18 [pid 7250] <... bpf resumed>) = 7 [pid 7251] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7255] close(3) = 0 executing program [pid 7254] perf_event_open( [pid 7253] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7251] perf_event_open( [pid 7255] write(1, "executing program\n", 18 [pid 7250] exit_group(0 [pid 7254] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7253] perf_event_open( [pid 7255] <... write resumed>) = 18 [pid 7254] perf_event_open( [pid 7250] <... exit_group resumed>) = ? [pid 7253] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7251] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7255] perf_event_open( [pid 7254] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7253] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7251] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7250] +++ exited with 0 +++ [pid 7255] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7254] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7253] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7251] <... bpf resumed>) = 5 [pid 7255] perf_event_open( [pid 7253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7255] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7254] <... bpf resumed>) = 5 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7256 attached [pid 7256] set_robust_list(0x55558c953660, 24) = 0 [pid 7255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7253] <... bpf resumed>) = 6 [pid 7251] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7256 [pid 7256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7255] <... bpf resumed>) = 5 [pid 7253] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7254] <... bpf resumed>) = 6 [pid 7256] <... prctl resumed>) = 0 [pid 7254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7253] <... bpf resumed>) = 7 [pid 7251] <... bpf resumed>) = 6 [pid 7256] setpgid(0, 0 [pid 7254] <... bpf resumed>) = 7 [pid 7253] exit_group(0 [pid 7256] <... setpgid resumed>) = 0 [pid 7253] <... exit_group resumed>) = ? [pid 7256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7255] <... bpf resumed>) = 6 [pid 7254] exit_group(0 [pid 7251] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7254] <... exit_group resumed>) = ? [pid 7256] <... openat resumed>) = 3 executing program [pid 7256] write(3, "1000", 4 [pid 7255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7253] +++ exited with 0 +++ [pid 7251] <... bpf resumed>) = 7 [pid 7256] <... write resumed>) = 4 [pid 7256] close(3 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7256] <... close resumed>) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7256] write(1, "executing program\n", 18 [pid 7255] <... bpf resumed>) = 7 [pid 7256] <... write resumed>) = 18 [pid 7254] +++ exited with 0 +++ [pid 7251] exit_group(0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7256] perf_event_open( [pid 7255] exit_group(0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7251] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7257 attached [pid 7256] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7255] <... exit_group resumed>) = ? [pid 7251] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7257] set_robust_list(0x55558c953660, 24 [pid 7256] perf_event_open( [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7257 [pid 7256] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7256] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7257] <... set_robust_list resumed>) = 0 [pid 7255] +++ exited with 0 +++ [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7256] <... bpf resumed>) = 5 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7256] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7258 attached [pid 7257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... restart_syscall resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7258] set_robust_list(0x55558c953660, 24 [pid 7257] <... prctl resumed>) = 0 [pid 7257] setpgid(0, 0) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7259 attached [pid 7258] <... set_robust_list resumed>) = 0 [pid 7257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7256] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7258 [pid 7259] set_robust_list(0x55558c953660, 24 [pid 7258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7256] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7259] <... set_robust_list resumed>) = 0 [pid 7259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7258] <... prctl resumed>) = 0 [pid 7258] setpgid(0, 0 [pid 7259] <... prctl resumed>) = 0 [pid 7258] <... setpgid resumed>) = 0 [pid 7259] setpgid(0, 0 [pid 7258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7257] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7260 attached [pid 7257] write(3, "1000", 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7259 [pid 7257] <... write resumed>) = 4 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7260 [pid 7257] close(3 [pid 7260] set_robust_list(0x55558c953660, 24 [pid 7259] <... setpgid resumed>) = 0 [pid 7258] <... openat resumed>) = 3 [pid 7257] <... close resumed>) = 0 [pid 7256] <... bpf resumed>) = 7 [pid 7260] <... set_robust_list resumed>) = 0 [pid 7259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 7258] write(3, "1000", 4 [pid 7257] write(1, "executing program\n", 18 [pid 7256] exit_group(0 [pid 7260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7257] <... write resumed>) = 18 [pid 7260] <... prctl resumed>) = 0 [pid 7259] write(3, "1000", 4 [pid 7258] <... write resumed>) = 4 [pid 7256] <... exit_group resumed>) = ? [pid 7260] setpgid(0, 0 [pid 7259] <... write resumed>) = 4 [pid 7258] close(3 [pid 7257] perf_event_open( [pid 7260] <... setpgid resumed>) = 0 [pid 7258] <... close resumed>) = 0 [pid 7260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 7259] close(3 [pid 7258] write(1, "executing program\n", 18 [pid 7257] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7259] <... close resumed>) = 0 [pid 7258] <... write resumed>) = 18 [pid 7260] <... openat resumed>) = 3 [pid 7259] write(1, "executing program\n", 18executing program [pid 7258] perf_event_open( [pid 7259] <... write resumed>) = 18 [pid 7257] perf_event_open( [pid 7260] write(3, "1000", 4 [pid 7259] perf_event_open( [pid 7260] <... write resumed>) = 4 [pid 7260] close(3) = 0 [pid 7260] write(1, "executing program\n", 18executing program ) = 18 [pid 7260] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7259] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7258] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7257] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7256] +++ exited with 0 +++ [pid 7258] perf_event_open( [pid 7257] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7258] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7260] perf_event_open( [pid 7259] perf_event_open( [pid 7260] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7258] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7257] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7256, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7260] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7259] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7258] <... bpf resumed>) = 5 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7261 attached [pid 7260] <... bpf resumed>) = 5 [pid 7259] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7258] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7257] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7261] set_robust_list(0x55558c953660, 24 [pid 7260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7259] <... bpf resumed>) = 5 [pid 7258] <... bpf resumed>) = 6 [pid 7261] <... set_robust_list resumed>) = 0 [pid 7258] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7257] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7261 [pid 7261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7261] <... prctl resumed>) = 0 [pid 7258] <... bpf resumed>) = 7 [pid 7257] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7258] exit_group(0 [pid 7257] <... bpf resumed>) = 7 [pid 7258] <... exit_group resumed>) = ? [pid 7261] setpgid(0, 0 [pid 7257] exit_group(0) = ? [pid 7261] <... setpgid resumed>) = 0 [pid 7260] <... bpf resumed>) = 6 [pid 7259] <... bpf resumed>) = 6 [pid 7261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7259] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7257] +++ exited with 0 +++ [pid 7260] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7261] write(3, "1000", 4 [pid 7259] <... bpf resumed>) = 7 [pid 7258] +++ exited with 0 +++ [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7261] <... write resumed>) = 4 [pid 7261] close(3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7260] <... bpf resumed>) = 7 [pid 7259] exit_group(0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7261] <... close resumed>) = 0 executing program [pid 7260] exit_group(0 [pid 7259] <... exit_group resumed>) = ? [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7261] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 7262 attached [pid 7260] <... exit_group resumed>) = ? [pid 7261] perf_event_open( [pid 7259] +++ exited with 0 +++ [pid 7262] set_robust_list(0x55558c953660, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7262 [pid 7261] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7261] perf_event_open( [pid 7262] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7263 attached [pid 7262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7263] set_robust_list(0x55558c953660, 24 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7263] <... set_robust_list resumed>) = 0 [pid 7262] <... prctl resumed>) = 0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7262] setpgid(0, 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7263 [pid 7263] <... prctl resumed>) = 0 [pid 7262] <... setpgid resumed>) = 0 [pid 7261] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7260] +++ exited with 0 +++ [pid 7263] setpgid(0, 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7263] <... setpgid resumed>) = 0 [pid 7262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7261] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7262] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7264 attached [pid 7263] <... openat resumed>) = 3 [pid 7262] write(3, "1000", 4 [pid 7264] set_robust_list(0x55558c953660, 24 [pid 7263] write(3, "1000", 4 [pid 7262] <... write resumed>) = 4 [pid 7264] <... set_robust_list resumed>) = 0 [pid 7263] <... write resumed>) = 4 [pid 7262] close(3 [pid 7264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7263] close(3 [pid 7262] <... close resumed>) = 0 [pid 7261] <... bpf resumed>) = 5 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7264 [pid 7264] <... prctl resumed>) = 0 [pid 7263] <... close resumed>) = 0 executing program [pid 7262] write(1, "executing program\n", 18 executing program [pid 7261] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7263] write(1, "executing program\n", 18 [pid 7262] <... write resumed>) = 18 [pid 7263] <... write resumed>) = 18 [pid 7262] perf_event_open( [pid 7264] setpgid(0, 0 [pid 7263] perf_event_open( [pid 7264] <... setpgid resumed>) = 0 [pid 7262] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7263] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7262] perf_event_open( [pid 7261] <... bpf resumed>) = 6 [pid 7264] write(3, "1000", 4 [pid 7263] perf_event_open( [pid 7262] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7261] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7264] <... write resumed>) = 4 [pid 7263] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7262] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7261] <... bpf resumed>) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7264] close(3 executing program [pid 7263] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7262] <... bpf resumed>) = 5 [pid 7261] exit_group(0 [pid 7264] <... close resumed>) = 0 [pid 7264] write(1, "executing program\n", 18) = 18 [pid 7261] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7265 attached [pid 7264] perf_event_open( [pid 7263] <... bpf resumed>) = 5 [pid 7262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7261] +++ exited with 0 +++ [pid 7264] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7263] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7265] set_robust_list(0x55558c953660, 24) = 0 [pid 7264] perf_event_open( [pid 7263] <... bpf resumed>) = 6 [pid 7262] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7265 [pid 7262] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7264] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7263] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7265] <... prctl resumed>) = 0 [pid 7264] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7265] setpgid(0, 0 [pid 7264] <... bpf resumed>) = 5 [pid 7263] <... bpf resumed>) = 7 [pid 7262] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7266 attached [pid 7265] <... setpgid resumed>) = 0 [pid 7264] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7262] exit_group(0 [pid 7266] set_robust_list(0x55558c953660, 24 [pid 7265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7263] exit_group(0 [pid 7262] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7266 [pid 7266] <... set_robust_list resumed>) = 0 [pid 7265] <... openat resumed>) = 3 [pid 7263] <... exit_group resumed>) = ? [pid 7265] write(3, "1000", 4 [pid 7266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7264] <... bpf resumed>) = 6 [pid 7263] +++ exited with 0 +++ [pid 7262] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7263, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7266] <... prctl resumed>) = 0 [pid 7265] <... write resumed>) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7266] setpgid(0, 0 [pid 7265] close(3 [pid 7264] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7266] <... setpgid resumed>) = 0 [pid 7265] <... close resumed>) = 0 [pid 7266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7265] write(1, "executing program\n", 18executing program [pid 7264] <... bpf resumed>) = 7 [pid 7265] <... write resumed>) = 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7266] <... openat resumed>) = 3 [pid 7265] perf_event_open( [pid 7264] exit_group(0) = ? [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 7267 attached [pid 7266] write(3, "1000", 4 [pid 7265] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7266] <... write resumed>) = 4 [pid 7266] close(3) = 0 [pid 7266] write(1, "executing program\n", 18) = 18 [pid 7266] perf_event_open( [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7267 [pid 7267] set_robust_list(0x55558c953660, 24 [pid 7265] perf_event_open( [pid 7267] <... set_robust_list resumed>) = 0 [pid 7267] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7268 attached ) = 0 [pid 7268] set_robust_list(0x55558c953660, 24) = 0 [pid 7268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7267] setpgid(0, 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7268 [pid 7268] <... prctl resumed>) = 0 [pid 7267] <... setpgid resumed>) = 0 [pid 7268] setpgid(0, 0 [pid 7267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7268] <... setpgid resumed>) = 0 [pid 7268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7267] <... openat resumed>) = 3 [pid 7267] write(3, "1000", 4 [pid 7268] <... openat resumed>) = 3 [pid 7267] <... write resumed>) = 4 [pid 7268] write(3, "1000", 4 [pid 7267] close(3 [pid 7268] <... write resumed>) = 4 [pid 7268] close(3 [pid 7267] <... close resumed>) = 0 executing program [pid 7268] <... close resumed>) = 0 [pid 7267] write(1, "executing program\n", 18 [pid 7268] write(1, "executing program\n", 18executing program [pid 7267] <... write resumed>) = 18 [pid 7268] <... write resumed>) = 18 [pid 7267] perf_event_open( [pid 7268] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7267] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7266] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7265] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7264] +++ exited with 0 +++ [pid 7268] perf_event_open( [pid 7267] perf_event_open( [pid 7265] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7268] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7267] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7266] perf_event_open( [pid 7265] <... bpf resumed>) = 5 [pid 7268] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7266] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7265] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7268] <... bpf resumed>) = 5 [pid 7267] <... bpf resumed>) = 5 [pid 7266] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7268] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7266] <... bpf resumed>) = 5 [pid 7265] <... bpf resumed>) = 6 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7267] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7269 attached [pid 7268] <... bpf resumed>) = 6 [pid 7265] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7269] set_robust_list(0x55558c953660, 24 [pid 7265] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7269 [pid 7269] <... set_robust_list resumed>) = 0 [pid 7269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7269] setpgid(0, 0 [pid 7268] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7265] exit_group(0 [pid 7269] <... setpgid resumed>) = 0 [pid 7267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7267] <... bpf resumed>) = 7 [pid 7265] <... exit_group resumed>) = ? [pid 7268] <... bpf resumed>) = 7 [pid 7269] <... openat resumed>) = 3 [pid 7267] exit_group(0 [pid 7266] <... bpf resumed>) = 6 [pid 7268] exit_group(0 [pid 7267] <... exit_group resumed>) = ? [pid 7269] write(3, "1000", 4) = 4 [pid 7265] +++ exited with 0 +++ [pid 7268] <... exit_group resumed>) = ? [pid 7269] close(3 [pid 7267] +++ exited with 0 +++ [pid 7266] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7269] <... close resumed>) = 0 executing program [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7269] write(1, "executing program\n", 18 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7265, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7269] <... write resumed>) = 18 [pid 7269] perf_event_open( [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7269] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7266] <... bpf resumed>) = 7 [pid 7269] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7269] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7268] +++ exited with 0 +++ [pid 7266] exit_group(0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7269] <... bpf resumed>) = 5 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7268, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7266] <... exit_group resumed>) = ? [pid 7269] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7266] +++ exited with 0 +++ [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7270 attached [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7266, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7270] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7272 attached ./strace-static-x86_64: Process 7271 attached ) = 0 [pid 7269] <... bpf resumed>) = 6 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7270 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7271 [pid 7271] set_robust_list(0x55558c953660, 24 [pid 7269] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7272] set_robust_list(0x55558c953660, 24 [pid 7271] <... set_robust_list resumed>) = 0 [pid 7270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7269] <... bpf resumed>) = 7 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7272 ./strace-static-x86_64: Process 7274 attached [pid 7272] <... set_robust_list resumed>) = 0 [pid 7271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7269] exit_group(0 [pid 7274] set_robust_list(0x55558c953660, 24) = 0 [pid 7272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7271] <... prctl resumed>) = 0 [pid 7270] <... prctl resumed>) = 0 [pid 7269] <... exit_group resumed>) = ? [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7274 [pid 7274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7272] <... prctl resumed>) = 0 [pid 7271] setpgid(0, 0 [pid 7270] setpgid(0, 0 [pid 7274] <... prctl resumed>) = 0 [pid 7272] setpgid(0, 0 [pid 7271] <... setpgid resumed>) = 0 [pid 7270] <... setpgid resumed>) = 0 [pid 7274] setpgid(0, 0 [pid 7272] <... setpgid resumed>) = 0 [pid 7271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7274] <... setpgid resumed>) = 0 [pid 7272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7271] <... openat resumed>) = 3 [pid 7270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7271] write(3, "1000", 4 [pid 7274] <... openat resumed>) = 3 [pid 7272] <... openat resumed>) = 3 [pid 7271] <... write resumed>) = 4 [pid 7270] <... openat resumed>) = 3 [pid 7274] write(3, "1000", 4 [pid 7271] close(3 [pid 7274] <... write resumed>) = 4 [pid 7272] write(3, "1000", 4 [pid 7271] <... close resumed>) = 0 [pid 7270] write(3, "1000", 4 [pid 7274] close(3 [pid 7272] <... write resumed>) = 4 [pid 7271] write(1, "executing program\n", 18executing program executing program [pid 7270] <... write resumed>) = 4 [pid 7274] <... close resumed>) = 0 [pid 7272] close(3 [pid 7271] <... write resumed>) = 18 [pid 7270] close(3 [pid 7274] write(1, "executing program\n", 18 [pid 7272] <... close resumed>) = 0 [pid 7271] perf_event_open( [pid 7274] <... write resumed>) = 18 [pid 7272] write(1, "executing program\n", 18 [pid 7270] <... close resumed>) = 0 executing program [pid 7274] perf_event_open( [pid 7272] <... write resumed>) = 18 [pid 7270] write(1, "executing program\n", 18executing program [pid 7272] perf_event_open( [pid 7270] <... write resumed>) = 18 [pid 7270] perf_event_open( [pid 7269] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7274] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7272] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7271] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7270] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7270] perf_event_open( [pid 5875] <... restart_syscall resumed>) = 0 [pid 7274] perf_event_open( [pid 7272] perf_event_open( [pid 7271] perf_event_open( [pid 7274] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7270] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7274] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7272] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7271] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7270] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7274] <... bpf resumed>) = 5 [pid 7272] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7271] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7274] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7272] <... bpf resumed>) = 5 [pid 7270] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7271] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 7275 attached [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7275 [pid 7275] set_robust_list(0x55558c953660, 24 [pid 7274] <... bpf resumed>) = 6 [pid 7272] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7271] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7270] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7275] <... set_robust_list resumed>) = 0 [pid 7274] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7272] <... bpf resumed>) = 6 [pid 7270] <... bpf resumed>) = 6 [pid 7275] <... prctl resumed>) = 0 [pid 7274] <... bpf resumed>) = 7 [pid 7271] <... bpf resumed>) = 6 [pid 7272] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7271] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7270] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7275] setpgid(0, 0 [pid 7274] exit_group(0 [pid 7272] <... bpf resumed>) = 7 [pid 7271] <... bpf resumed>) = 7 [pid 7275] <... setpgid resumed>) = 0 [pid 7271] exit_group(0 [pid 7270] <... bpf resumed>) = 7 [pid 7275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7274] <... exit_group resumed>) = ? [pid 7271] <... exit_group resumed>) = ? [pid 7270] exit_group(0 [pid 7275] <... openat resumed>) = 3 [pid 7272] exit_group(0 [pid 7271] +++ exited with 0 +++ [pid 7270] <... exit_group resumed>) = ? [pid 7275] write(3, "1000", 4 [pid 7274] +++ exited with 0 +++ [pid 7272] <... exit_group resumed>) = ? [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7275] <... write resumed>) = 4 [pid 7275] close(3) = 0 executing program [pid 7275] write(1, "executing program\n", 18) = 18 [pid 7270] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7270, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7275] perf_event_open( [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7276 attached [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7276 ./strace-static-x86_64: Process 7277 attached [pid 7276] set_robust_list(0x55558c953660, 24 [pid 7275] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7272] +++ exited with 0 +++ [pid 7276] <... set_robust_list resumed>) = 0 [pid 7275] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7277 [pid 7277] set_robust_list(0x55558c953660, 24 [pid 7276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7275] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7277] <... set_robust_list resumed>) = 0 [pid 7276] <... prctl resumed>) = 0 [pid 7275] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7276] setpgid(0, 0 [pid 7275] <... bpf resumed>) = 5 [pid 7277] <... prctl resumed>) = 0 [pid 7276] <... setpgid resumed>) = 0 [pid 7275] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7277] setpgid(0, 0./strace-static-x86_64: Process 7278 attached ) = 0 [pid 7276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7275] <... bpf resumed>) = 6 [pid 7276] <... openat resumed>) = 3 [pid 7275] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 ./strace-static-x86_64: Process 7279 attached [pid 7278] set_robust_list(0x55558c953660, 24 [pid 7277] <... openat resumed>) = 3 [pid 7276] write(3, "1000", 4 [pid 7275] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7278 [pid 7279] set_robust_list(0x55558c953660, 24 [pid 7278] <... set_robust_list resumed>) = 0 [pid 7277] write(3, "1000", 4 [pid 7276] <... write resumed>) = 4 [pid 7279] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7279 [pid 7277] <... write resumed>) = 4 [pid 7276] close(3 [pid 7275] <... exit_group resumed>) = ? [pid 7278] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program executing program ) = 0 [pid 7278] setpgid(0, 0 [pid 7279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7277] close(3 [pid 7276] <... close resumed>) = 0 [pid 7277] <... close resumed>) = 0 [pid 7276] write(1, "executing program\n", 18 [pid 7277] write(1, "executing program\n", 18 [pid 7276] <... write resumed>) = 18 [pid 7279] <... prctl resumed>) = 0 [pid 7277] <... write resumed>) = 18 [pid 7278] <... setpgid resumed>) = 0 [pid 7277] perf_event_open( [pid 7276] perf_event_open( [pid 7279] setpgid(0, 0 [pid 7278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7279] <... setpgid resumed>) = 0 [pid 7278] <... openat resumed>) = 3 [pid 7278] write(3, "1000", 4 [pid 7279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7278] <... write resumed>) = 4 [pid 7278] close(3 [pid 7279] <... openat resumed>) = 3 [pid 7278] <... close resumed>) = 0 executing program [pid 7278] write(1, "executing program\n", 18 [pid 7279] write(3, "1000", 4 [pid 7278] <... write resumed>) = 18 [pid 7279] <... write resumed>) = 4 [pid 7278] perf_event_open( [pid 7279] close(3) = 0 executing program [pid 7279] write(1, "executing program\n", 18) = 18 [pid 7279] perf_event_open( [pid 7277] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7275] +++ exited with 0 +++ [pid 7279] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7278] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7276] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7279] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7279] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7278] perf_event_open( [pid 7277] perf_event_open( [pid 7276] perf_event_open( [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7279] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7279] <... bpf resumed>) = 5 [pid 7278] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7277] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7276] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7279] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7278] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7276] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7278] <... bpf resumed>) = 5 [pid 7277] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7276] <... bpf resumed>) = 5 [pid 7279] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7280 attached [pid 7279] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7278] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7277] <... bpf resumed>) = 5 [pid 7276] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7280 [pid 7280] set_robust_list(0x55558c953660, 24 [pid 7279] <... bpf resumed>) = 7 [pid 7277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7276] <... bpf resumed>) = 6 [pid 7280] <... set_robust_list resumed>) = 0 [pid 7279] exit_group(0 [pid 7278] <... bpf resumed>) = 6 [pid 7280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7280] setpgid(0, 0) = 0 [pid 7279] <... exit_group resumed>) = ? [pid 7280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7278] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7277] <... bpf resumed>) = 6 [pid 7276] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7278] <... bpf resumed>) = 7 [pid 7277] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7276] <... bpf resumed>) = 7 [pid 7276] exit_group(0 [pid 7280] <... openat resumed>) = 3 [pid 7278] exit_group(0 [pid 7277] <... bpf resumed>) = 7 [pid 7280] write(3, "1000", 4) = 4 [pid 7278] <... exit_group resumed>) = ? [pid 7277] exit_group(0 [pid 7276] <... exit_group resumed>) = ? [pid 7279] +++ exited with 0 +++ [pid 7280] close(3 [pid 7278] +++ exited with 0 +++ [pid 7277] <... exit_group resumed>) = ? [pid 7280] <... close resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7278, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7280] write(1, "executing program\n", 18 [pid 7276] +++ exited with 0 +++ executing program [pid 7280] <... write resumed>) = 18 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7280] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7282 attached ./strace-static-x86_64: Process 7281 attached [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7282 ./strace-static-x86_64: Process 7283 attached [pid 7282] set_robust_list(0x55558c953660, 24 [pid 7281] set_robust_list(0x55558c953660, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7281 [pid 7282] <... set_robust_list resumed>) = 0 [pid 7281] <... set_robust_list resumed>) = 0 [pid 7282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7283 [pid 7282] <... prctl resumed>) = 0 [pid 7282] setpgid(0, 0 [pid 7281] <... prctl resumed>) = 0 [pid 7281] setpgid(0, 0 [pid 7283] set_robust_list(0x55558c953660, 24 [pid 7282] <... setpgid resumed>) = 0 [pid 7283] <... set_robust_list resumed>) = 0 [pid 7282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7281] <... setpgid resumed>) = 0 [pid 7283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7283] <... prctl resumed>) = 0 [pid 7283] setpgid(0, 0 [pid 7282] <... openat resumed>) = 3 [pid 7283] <... setpgid resumed>) = 0 [pid 7283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7282] write(3, "1000", 4 [pid 7281] <... openat resumed>) = 3 [pid 7282] <... write resumed>) = 4 [pid 7281] write(3, "1000", 4 [pid 7282] close(3 [pid 7281] <... write resumed>) = 4 [pid 7282] <... close resumed>) = 0 [pid 7282] write(1, "executing program\n", 18 [pid 7281] close(3 [pid 7283] <... openat resumed>) = 3 [pid 7280] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7277] +++ exited with 0 +++ executing program executing program [pid 7282] <... write resumed>) = 18 [pid 7281] <... close resumed>) = 0 [pid 7280] perf_event_open( [pid 7283] write(3, "1000", 4) = 4 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7277, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7283] close(3 [pid 7281] write(1, "executing program\n", 18 [pid 7283] <... close resumed>) = 0 [pid 7281] <... write resumed>) = 18 [pid 7283] write(1, "executing program\n", 18 [pid 7282] perf_event_open(executing program [pid 7283] <... write resumed>) = 18 [pid 7282] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7281] perf_event_open( [pid 7280] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7283] perf_event_open( [pid 7282] perf_event_open( [pid 7280] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7281] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7283] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7282] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7281] perf_event_open( [pid 7280] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 7284 attached [pid 7283] perf_event_open( [pid 7282] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7284] set_robust_list(0x55558c953660, 24 [pid 7283] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7282] <... bpf resumed>) = 5 [pid 7281] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7280] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7284] <... set_robust_list resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7284 [pid 7284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7283] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7281] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7284] <... prctl resumed>) = 0 [pid 7283] <... bpf resumed>) = 5 [pid 7281] <... bpf resumed>) = 5 [pid 7280] <... bpf resumed>) = 6 [pid 7284] setpgid(0, 0 [pid 7283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7281] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7280] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7284] <... setpgid resumed>) = 0 [pid 7283] <... bpf resumed>) = 6 [pid 7282] <... bpf resumed>) = 6 [pid 7284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7283] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7282] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7281] <... bpf resumed>) = 6 [pid 7280] <... bpf resumed>) = 7 [pid 7284] write(3, "1000", 4 [pid 7280] exit_group(0 [pid 7283] <... bpf resumed>) = 7 [pid 7284] <... write resumed>) = 4 [pid 7282] <... bpf resumed>) = 7 [pid 7284] close(3 [pid 7280] <... exit_group resumed>) = ? [pid 7282] exit_group(0 [pid 7284] <... close resumed>) = 0 [pid 7281] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program ) = 7 [pid 7281] exit_group(0) = ? [pid 7284] write(1, "executing program\n", 18 [pid 7283] exit_group(0 [pid 7282] <... exit_group resumed>) = ? [pid 7280] +++ exited with 0 +++ [pid 7284] <... write resumed>) = 18 [pid 7284] perf_event_open( [pid 7281] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7283] <... exit_group resumed>) = ? [pid 5875] restart_syscall(<... resuming interrupted clone ...>) = 0 executing program [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7285 attached [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7281, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7285] set_robust_list(0x55558c953660, 24) = 0 [pid 7284] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7284] perf_event_open( [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7284] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7285] <... prctl resumed>) = 0 [pid 7285] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7286 attached [pid 7285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7285 [pid 7283] +++ exited with 0 +++ [pid 7284] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7286] set_robust_list(0x55558c953660, 24 [pid 7282] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7283, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7286] <... set_robust_list resumed>) = 0 [pid 7285] <... openat resumed>) = 3 [pid 7284] <... bpf resumed>) = 5 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7282, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7285] write(3, "1000", 4 [pid 7284] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7286 [pid 7286] <... prctl resumed>) = 0 [pid 7285] <... write resumed>) = 4 [pid 7284] <... bpf resumed>) = 6 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7286] setpgid(0, 0 [pid 7285] close(3) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7286] <... setpgid resumed>) = 0 [pid 7285] write(1, "executing program\n", 18) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7285] perf_event_open( [pid 7286] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7287 attached [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7284] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7287] set_robust_list(0x55558c953660, 24) = 0 [pid 7287] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7288 attached ) = 0 [pid 7286] write(3, "1000", 4 [pid 7285] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7287 [pid 7288] set_robust_list(0x55558c953660, 24 [pid 7286] <... write resumed>) = 4 [pid 7286] close(3) = 0 [pid 7286] write(1, "executing program\n", 18executing program [pid 7288] <... set_robust_list resumed>) = 0 [pid 7288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7287] setpgid(0, 0 [pid 7286] <... write resumed>) = 18 [pid 7285] perf_event_open( [pid 7284] <... bpf resumed>) = 7 [pid 7288] <... prctl resumed>) = 0 [pid 7288] setpgid(0, 0 [pid 7287] <... setpgid resumed>) = 0 [pid 7286] perf_event_open( [pid 7285] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7288] <... setpgid resumed>) = 0 [pid 7287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7284] exit_group(0 [pid 7288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7287] <... openat resumed>) = 3 [pid 7286] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7285] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7284] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7288 [pid 7288] <... openat resumed>) = 3 [pid 7287] write(3, "1000", 4 [pid 7286] perf_event_open( [pid 7288] write(3, "1000", 4 [pid 7287] <... write resumed>) = 4 [pid 7285] <... bpf resumed>) = 5 [pid 7288] <... write resumed>) = 4 [pid 7287] close(3 [pid 7288] close(3) = 0 [pid 7288] write(1, "executing program\n", 18executing program ) = 18 [pid 7288] perf_event_open( [pid 7287] <... close resumed>) = 0 [pid 7286] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 7285] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7284] +++ exited with 0 +++ [pid 7287] write(1, "executing program\n", 18 [pid 7286] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7288] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7288] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7287] <... write resumed>) = 18 [pid 7286] <... bpf resumed>) = 5 [pid 7287] perf_event_open( [pid 7286] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7288] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7287] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7287] perf_event_open( [pid 7286] <... bpf resumed>) = 6 [pid 7285] <... bpf resumed>) = 6 [pid 7288] <... bpf resumed>) = 5 [pid 7288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7289 attached [pid 7287] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7286] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7285] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7287] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7286] <... bpf resumed>) = 7 [pid 7285] <... bpf resumed>) = 7 [pid 7287] <... bpf resumed>) = 5 [pid 7287] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7289] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7289 [pid 7289] <... set_robust_list resumed>) = 0 [pid 7289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7288] <... bpf resumed>) = 6 [pid 7286] exit_group(0 [pid 7285] exit_group(0 [pid 7289] <... prctl resumed>) = 0 [pid 7288] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7286] <... exit_group resumed>) = ? [pid 7289] setpgid(0, 0 [pid 7288] <... bpf resumed>) = 7 [pid 7286] +++ exited with 0 +++ [pid 7285] <... exit_group resumed>) = ? [pid 7289] <... setpgid resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7286, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7289] <... openat resumed>) = 3 [pid 7289] write(3, "1000", 4 [pid 7288] exit_group(0 [pid 7289] <... write resumed>) = 4 [pid 7289] close(3) = 0 [pid 7288] <... exit_group resumed>) = ? [pid 7287] <... bpf resumed>) = 6 [pid 7285] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 7289] write(1, "executing program\n", 18executing program [pid 7287] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7285, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7289] <... write resumed>) = 18 [pid 7289] perf_event_open( [pid 7287] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7289] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7290 attached [pid 7288] +++ exited with 0 +++ ./strace-static-x86_64: Process 7291 attached [pid 7289] perf_event_open( [pid 7287] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7291 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7290 [pid 7291] set_robust_list(0x55558c953660, 24 [pid 7290] set_robust_list(0x55558c953660, 24 [pid 7287] <... exit_group resumed>) = ? [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7291] <... set_robust_list resumed>) = 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7290] <... set_robust_list resumed>) = 0 [pid 7291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7289] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7291] <... prctl resumed>) = 0 [pid 7290] setpgid(0, 0 [pid 7291] setpgid(0, 0 [pid 7290] <... setpgid resumed>) = 0 [pid 7291] <... setpgid resumed>) = 0 [pid 7289] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7287] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 7291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7289] <... bpf resumed>) = 5 [pid 7291] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7287, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7291] write(3, "1000", 4 [pid 7290] <... openat resumed>) = 3 [pid 7289] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7292 attached [pid 7291] <... write resumed>) = 4 [pid 7290] write(3, "1000", 4 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7291] close(3 [pid 7290] <... write resumed>) = 4 [pid 7291] <... close resumed>) = 0 [pid 7290] close(3 [pid 7292] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7292 executing program [pid 7291] write(1, "executing program\n", 18 [pid 7292] <... set_robust_list resumed>) = 0 [pid 7291] <... write resumed>) = 18 [pid 7290] <... close resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7293 attached [pid 7291] perf_event_open( [pid 7290] write(1, "executing program\n", 18 [pid 7289] <... bpf resumed>) = 6 executing program [pid 7292] setpgid(0, 0 [pid 7290] <... write resumed>) = 18 [pid 7292] <... setpgid resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7293 [pid 7293] set_robust_list(0x55558c953660, 24 [pid 7292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7291] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7290] perf_event_open( [pid 7289] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7293] <... set_robust_list resumed>) = 0 [pid 7291] perf_event_open( [pid 7290] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7292] <... openat resumed>) = 3 [pid 7289] <... bpf resumed>) = 7 [pid 7293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7290] perf_event_open( [pid 7291] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7292] write(3, "1000", 4 [pid 7290] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7293] <... prctl resumed>) = 0 [pid 7292] <... write resumed>) = 4 [pid 7291] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7290] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7289] exit_group(0 [pid 7293] setpgid(0, 0 [pid 7292] close(3 [pid 7291] <... bpf resumed>) = 5 [pid 7293] <... setpgid resumed>) = 0 [pid 7290] <... bpf resumed>) = 5 [pid 7289] <... exit_group resumed>) = ? [pid 7293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7292] <... close resumed>) = 0 [pid 7291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7293] <... openat resumed>) = 3 executing program [pid 7292] write(1, "executing program\n", 18 [pid 7293] write(3, "1000", 4 [pid 7292] <... write resumed>) = 18 [pid 7291] <... bpf resumed>) = 6 [pid 7289] +++ exited with 0 +++ [pid 7293] <... write resumed>) = 4 [pid 7292] perf_event_open( [pid 7291] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7293] close(3 [pid 7292] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7290] <... bpf resumed>) = 6 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7293] <... close resumed>) = 0 [pid 7292] perf_event_open(executing program [pid 7291] <... bpf resumed>) = 7 [pid 7293] write(1, "executing program\n", 18 [pid 7290] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7293] <... write resumed>) = 18 [pid 7292] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7293] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7292] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7290] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7293] perf_event_open( [pid 7292] <... bpf resumed>) = 5 [pid 7291] exit_group(0 [pid 7293] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7293] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7292] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7294 attached [pid 7293] <... bpf resumed>) = 5 [pid 7291] <... exit_group resumed>) = ? [pid 7293] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7294] set_robust_list(0x55558c953660, 24) = 0 [pid 7290] exit_group(0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7294 [pid 7294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7291] +++ exited with 0 +++ [pid 7290] <... exit_group resumed>) = ? [pid 7294] setpgid(0, 0) = 0 [pid 7292] <... bpf resumed>) = 6 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7293] <... bpf resumed>) = 6 [pid 7292] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7290] +++ exited with 0 +++ [pid 5875] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7294] write(3, "1000", 4 [pid 7293] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7294] <... write resumed>) = 4 [pid 7293] <... bpf resumed>) = 7 [pid 7292] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7294] close(3 [pid 7293] exit_group(0 [pid 7292] exit_group(0 [pid 7294] <... close resumed>) = 0 executing program [pid 7294] write(1, "executing program\n", 18) = 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7295 attached [pid 7294] perf_event_open( [pid 7293] <... exit_group resumed>) = ? [pid 7295] set_robust_list(0x55558c953660, 24 [pid 7294] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7292] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7295 [pid 7294] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7294] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7293] +++ exited with 0 +++ [pid 7292] +++ exited with 0 +++ [pid 7295] <... set_robust_list resumed>) = 0 [pid 7294] <... bpf resumed>) = 5 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7296 ./strace-static-x86_64: Process 7296 attached [pid 7295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7294] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7293, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7296] set_robust_list(0x55558c953660, 24 [pid 7295] <... prctl resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7296] <... set_robust_list resumed>) = 0 [pid 7295] setpgid(0, 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7292, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7295] <... setpgid resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7296] <... prctl resumed>) = 0 [pid 7294] <... bpf resumed>) = 6 [pid 7296] setpgid(0, 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7296] <... setpgid resumed>) = 0 [pid 7295] <... openat resumed>) = 3 [pid 7294] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7294] <... bpf resumed>) = 7 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7297 attached [pid 7297] set_robust_list(0x55558c953660, 24 [pid 7296] <... openat resumed>) = 3 [pid 7295] write(3, "1000", 4 [pid 7294] exit_group(0 [pid 7297] <... set_robust_list resumed>) = 0 [pid 7296] write(3, "1000", 4 [pid 7295] <... write resumed>) = 4 [pid 7297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7296] <... write resumed>) = 4 [pid 7295] close(3 [pid 7294] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7297 [pid 7295] <... close resumed>) = 0 [pid 7296] close(3executing program [pid 7295] write(1, "executing program\n", 18./strace-static-x86_64: Process 7298 attached [pid 7297] <... prctl resumed>) = 0 [pid 7296] <... close resumed>) = 0 executing program [pid 7296] write(1, "executing program\n", 18 [pid 7295] <... write resumed>) = 18 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7298 [pid 7296] <... write resumed>) = 18 [pid 7295] perf_event_open( [pid 7296] perf_event_open( [pid 7297] setpgid(0, 0 [pid 7298] set_robust_list(0x55558c953660, 24 [pid 7297] <... setpgid resumed>) = 0 [pid 7297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7298] <... set_robust_list resumed>) = 0 [pid 7297] <... openat resumed>) = 3 [pid 7298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7297] write(3, "1000", 4 [pid 7298] <... prctl resumed>) = 0 [pid 7298] setpgid(0, 0 [pid 7297] <... write resumed>) = 4 [pid 7298] <... setpgid resumed>) = 0 [pid 7297] close(3) = 0 executing program [pid 7297] write(1, "executing program\n", 18 [pid 7298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7297] <... write resumed>) = 18 [pid 7297] perf_event_open( [pid 7298] <... openat resumed>) = 3 [pid 7298] write(3, "1000", 4) = 4 [pid 7298] close(3) = 0 executing program [pid 7298] write(1, "executing program\n", 18) = 18 [pid 7298] perf_event_open( [pid 7294] +++ exited with 0 +++ [pid 7296] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7295] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7296] perf_event_open( [pid 7298] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7297] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7295] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7298] perf_event_open( [pid 7297] perf_event_open( [pid 7296] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7295] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7298] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7297] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7296] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7295] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7298] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7297] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7295] <... bpf resumed>) = 5 [pid 7296] <... bpf resumed>) = 5 [pid 7298] <... bpf resumed>) = 5 [pid 7297] <... bpf resumed>) = 5 [pid 7296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7298] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 6 [pid 7297] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7298] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7299 attached ) = 7 [pid 7297] <... bpf resumed>) = 6 [pid 7296] <... bpf resumed>) = 6 [pid 7295] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7299 [pid 7299] set_robust_list(0x55558c953660, 24 [pid 7297] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7298] exit_group(0 [pid 7299] <... set_robust_list resumed>) = 0 [pid 7295] <... bpf resumed>) = 7 [pid 7297] <... bpf resumed>) = 7 [pid 7299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7298] <... exit_group resumed>) = ? [pid 7296] <... bpf resumed>) = 7 [pid 7299] <... prctl resumed>) = 0 [pid 7297] exit_group(0 [pid 7296] exit_group(0 [pid 7295] exit_group(0 [pid 7299] setpgid(0, 0) = 0 [pid 7297] <... exit_group resumed>) = ? [pid 7299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7296] <... exit_group resumed>) = ? [pid 7295] <... exit_group resumed>) = ? [pid 7298] +++ exited with 0 +++ [pid 7299] <... openat resumed>) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7296] +++ exited with 0 +++ [pid 7299] write(3, "1000", 4 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7299] <... write resumed>) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7296, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7299] close(3) = 0 [pid 7299] write(1, "executing program\n", 18executing program [pid 7297] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7299] <... write resumed>) = 18 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7299] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7300 attached [pid 7300] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7302 attached ./strace-static-x86_64: Process 7301 attached [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7300 [pid 7302] set_robust_list(0x55558c953660, 24 [pid 7301] set_robust_list(0x55558c953660, 24 [pid 7300] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7302 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7301 [pid 7302] <... set_robust_list resumed>) = 0 [pid 7301] <... set_robust_list resumed>) = 0 [pid 7300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7302] <... prctl resumed>) = 0 [pid 7301] <... prctl resumed>) = 0 [pid 7302] setpgid(0, 0 [pid 7301] setpgid(0, 0 [pid 7302] <... setpgid resumed>) = 0 [pid 7302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7301] <... setpgid resumed>) = 0 [pid 7300] <... prctl resumed>) = 0 [pid 7301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7302] <... openat resumed>) = 3 [pid 7300] setpgid(0, 0 [pid 7301] <... openat resumed>) = 3 [pid 7300] <... setpgid resumed>) = 0 [pid 7302] write(3, "1000", 4 [pid 7301] write(3, "1000", 4 [pid 7302] <... write resumed>) = 4 [pid 7301] <... write resumed>) = 4 [pid 7300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7302] close(3executing program executing program [pid 7301] close(3 [pid 7302] <... close resumed>) = 0 [pid 7301] <... close resumed>) = 0 [pid 7302] write(1, "executing program\n", 18 [pid 7301] write(1, "executing program\n", 18 [pid 7302] <... write resumed>) = 18 [pid 7301] <... write resumed>) = 18 [pid 7302] perf_event_open( [pid 7301] perf_event_open( [pid 7300] <... openat resumed>) = 3 [pid 7300] write(3, "1000", 4) = 4 [pid 7300] close(3) = 0 [pid 7300] write(1, "executing program\n", 18executing program ) = 18 [pid 7300] perf_event_open( [pid 7302] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7301] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7299] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7295] +++ exited with 0 +++ [pid 7302] perf_event_open( [pid 7301] perf_event_open( [pid 7300] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7299] perf_event_open( [pid 7302] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7301] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7299] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7300] perf_event_open( [pid 7299] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7295, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7302] <... bpf resumed>) = 5 [pid 7300] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7299] <... bpf resumed>) = 5 [pid 7302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7301] <... bpf resumed>) = 5 [pid 7300] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7303 attached [pid 7301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7300] <... bpf resumed>) = 5 [pid 7302] <... bpf resumed>) = 6 [pid 7299] <... bpf resumed>) = 6 [pid 7303] set_robust_list(0x55558c953660, 24 [pid 7300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7303] <... set_robust_list resumed>) = 0 [pid 7303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7299] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7303 [pid 7299] <... bpf resumed>) = 7 [pid 7303] <... prctl resumed>) = 0 [pid 7303] setpgid(0, 0) = 0 [pid 7302] <... bpf resumed>) = 7 [pid 7303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7302] exit_group(0 [pid 7300] <... bpf resumed>) = 6 [pid 7303] <... openat resumed>) = 3 [pid 7302] <... exit_group resumed>) = ? [pid 7301] <... bpf resumed>) = 6 [pid 7299] exit_group(0 [pid 7303] write(3, "1000", 4 [pid 7301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7300] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7299] <... exit_group resumed>) = ? [pid 7301] <... bpf resumed>) = 7 [pid 7302] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7303] <... write resumed>) = 4 [pid 7301] exit_group(0 [pid 7300] <... bpf resumed>) = 7 [pid 7303] close(3 [pid 7301] <... exit_group resumed>) = ? executing program [pid 7303] <... close resumed>) = 0 [pid 7300] exit_group(0 [pid 7299] +++ exited with 0 +++ [pid 7303] write(1, "executing program\n", 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7303] <... write resumed>) = 18 [pid 7300] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7304 attached [pid 7303] perf_event_open( [pid 7304] set_robust_list(0x55558c953660, 24 [pid 7303] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7303] perf_event_open( [pid 7304] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7304 [pid 7303] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7305 attached [pid 7305] set_robust_list(0x55558c953660, 24 [pid 7304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7303] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7301] +++ exited with 0 +++ [pid 7300] +++ exited with 0 +++ [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7305 [pid 7305] <... set_robust_list resumed>) = 0 [pid 7304] <... prctl resumed>) = 0 [pid 7305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7304] setpgid(0, 0 [pid 7303] <... bpf resumed>) = 5 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7300, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7304] <... setpgid resumed>) = 0 [pid 7303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7305] <... prctl resumed>) = 0 [pid 7304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7305] setpgid(0, 0) = 0 [pid 7304] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7307 attached [pid 7305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7304] write(3, "1000", 4 [pid 7303] <... bpf resumed>) = 6 [pid 7307] set_robust_list(0x55558c953660, 24 [pid 7304] <... write resumed>) = 4 [pid 7307] <... set_robust_list resumed>) = 0 [pid 7304] close(3 [pid 7303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7307 ./strace-static-x86_64: Process 7308 attached [pid 7307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7304] <... close resumed>) = 0 executing program [pid 7304] write(1, "executing program\n", 18 [pid 7303] <... bpf resumed>) = 7 [pid 7307] <... prctl resumed>) = 0 [pid 7304] <... write resumed>) = 18 [pid 7304] perf_event_open( [pid 7308] set_robust_list(0x55558c953660, 24 [pid 7307] setpgid(0, 0executing program [pid 7305] <... openat resumed>) = 3 [pid 7303] exit_group(0 [pid 7308] <... set_robust_list resumed>) = 0 [pid 7307] <... setpgid resumed>) = 0 [pid 7307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7304] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7303] <... exit_group resumed>) = ? [pid 7308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7308 [pid 7308] <... prctl resumed>) = 0 [pid 7305] write(3, "1000", 4 [pid 7308] setpgid(0, 0 [pid 7305] <... write resumed>) = 4 [pid 7308] <... setpgid resumed>) = 0 [pid 7305] close(3 [pid 7308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7305] <... close resumed>) = 0 [pid 7308] <... openat resumed>) = 3 [pid 7305] write(1, "executing program\n", 18) = 18 [pid 7305] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7308] write(3, "1000", 4) = 4 [pid 7308] close(3 [pid 7307] <... openat resumed>) = 3 [pid 7305] perf_event_open( [pid 7304] perf_event_open( [pid 7307] write(3, "1000", 4 [pid 7308] <... close resumed>) = 0 [pid 7307] <... write resumed>) = 4 [pid 7305] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 7304] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7308] write(1, "executing program\n", 18 [pid 7307] close(3 [pid 7304] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7303] +++ exited with 0 +++ [pid 7308] <... write resumed>) = 18 [pid 7307] <... close resumed>) = 0 [pid 7305] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7304] <... bpf resumed>) = 5 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7303, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7308] perf_event_open( [pid 7307] write(1, "executing program\n", 18 [pid 7305] <... bpf resumed>) = 5 executing program [pid 7304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7307] <... write resumed>) = 18 [pid 7308] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7307] perf_event_open( [pid 7305] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7308] perf_event_open( [pid 7307] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7304] <... bpf resumed>) = 6 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7308] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7307] perf_event_open( [pid 7304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7307] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7308] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7305] <... bpf resumed>) = 6 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7308] <... bpf resumed>) = 5 [pid 7307] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7305] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7304] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7309 attached [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7309 [pid 7309] set_robust_list(0x55558c953660, 24) = 0 [pid 7308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7307] <... bpf resumed>) = 5 [pid 7305] <... bpf resumed>) = 7 [pid 7304] exit_group(0 [pid 7309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7305] exit_group(0 [pid 7309] <... prctl resumed>) = 0 [pid 7309] setpgid(0, 0 [pid 7305] <... exit_group resumed>) = ? [pid 7309] <... setpgid resumed>) = 0 [pid 7308] <... bpf resumed>) = 6 [pid 7307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7304] <... exit_group resumed>) = ? [pid 7309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7308] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7309] <... openat resumed>) = 3 [pid 7308] <... bpf resumed>) = 7 [pid 7307] <... bpf resumed>) = 6 [pid 7305] +++ exited with 0 +++ [pid 7304] +++ exited with 0 +++ [pid 7309] write(3, "1000", 4 [pid 7308] exit_group(0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7309] <... write resumed>) = 4 [pid 7309] close(3) = 0 [pid 7308] <... exit_group resumed>) = ? [pid 7307] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7309] write(1, "executing program\n", 18) = 18 [pid 7307] <... bpf resumed>) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7309] perf_event_open( [pid 7307] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7307] <... exit_group resumed>) = ? executing program ./strace-static-x86_64: Process 7311 attached ./strace-static-x86_64: Process 7310 attached [pid 7309] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7310] set_robust_list(0x55558c953660, 24 [pid 7309] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7311] set_robust_list(0x55558c953660, 24 [pid 7310] <... set_robust_list resumed>) = 0 [pid 7309] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7308] +++ exited with 0 +++ [pid 7307] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7310 [pid 7311] <... set_robust_list resumed>) = 0 [pid 7310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7309] <... bpf resumed>) = 5 [pid 7311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7310] <... prctl resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7311 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7307, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7311] <... prctl resumed>) = 0 [pid 7311] setpgid(0, 0) = 0 [pid 7310] setpgid(0, 0 [pid 7311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7310] <... setpgid resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7312 attached [pid 7312] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7313 attached ) = 0 [pid 7311] <... openat resumed>) = 3 [pid 7310] <... openat resumed>) = 3 [pid 7309] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7312 [pid 7313] set_robust_list(0x55558c953660, 24 [pid 7312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7313] <... set_robust_list resumed>) = 0 [pid 7312] <... prctl resumed>) = 0 [pid 7310] write(3, "1000", 4 [pid 7309] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7312] setpgid(0, 0 [pid 7311] write(3, "1000", 4 [pid 7310] <... write resumed>) = 4 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7313 [pid 7313] <... prctl resumed>) = 0 [pid 7312] <... setpgid resumed>) = 0 [pid 7311] <... write resumed>) = 4 [pid 7310] close(3 [pid 7309] <... bpf resumed>) = 7 executing program [pid 7313] setpgid(0, 0 [pid 7312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7311] close(3 [pid 7310] <... close resumed>) = 0 [pid 7311] <... close resumed>) = 0 [pid 7311] write(1, "executing program\n", 18executing program [pid 7313] <... setpgid resumed>) = 0 [pid 7311] <... write resumed>) = 18 [pid 7310] write(1, "executing program\n", 18 [pid 7309] exit_group(0 [pid 7313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7310] <... write resumed>) = 18 [pid 7312] <... openat resumed>) = 3 [pid 7311] perf_event_open( [pid 7310] perf_event_open( [pid 7313] <... openat resumed>) = 3 [pid 7312] write(3, "1000", 4 [pid 7309] <... exit_group resumed>) = ? [pid 7311] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7311] perf_event_open( [pid 7313] write(3, "1000", 4 [pid 7312] <... write resumed>) = 4 [pid 7311] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7310] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7309] +++ exited with 0 +++ [pid 7310] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7309, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7313] <... write resumed>) = 4 [pid 7312] close(3 executing program executing program [pid 7311] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7310] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7313] close(3 [pid 7312] <... close resumed>) = 0 [pid 7313] <... close resumed>) = 0 [pid 7312] write(1, "executing program\n", 18 [pid 7313] write(1, "executing program\n", 18 [pid 7312] <... write resumed>) = 18 [pid 7313] <... write resumed>) = 18 [pid 7313] perf_event_open( [pid 7312] perf_event_open( [pid 7310] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7311] <... bpf resumed>) = 5 [pid 7310] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7313] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7312] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7314 attached [pid 7313] perf_event_open( [pid 7312] perf_event_open( [pid 7311] <... bpf resumed>) = 6 [pid 7310] <... bpf resumed>) = 6 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7314 [pid 7314] set_robust_list(0x55558c953660, 24 [pid 7313] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7312] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7311] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7310] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7314] <... set_robust_list resumed>) = 0 [pid 7314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7312] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7311] <... bpf resumed>) = 7 [pid 7310] <... bpf resumed>) = 7 [pid 7314] <... prctl resumed>) = 0 [pid 7313] <... bpf resumed>) = 5 [pid 7312] <... bpf resumed>) = 5 [pid 7310] exit_group(0 [pid 7313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7310] <... exit_group resumed>) = ? [pid 7314] setpgid(0, 0 [pid 7312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7311] exit_group(0 [pid 7314] <... setpgid resumed>) = 0 [pid 7313] <... bpf resumed>) = 6 [pid 7313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7313] exit_group(0) = ? [pid 7314] <... openat resumed>) = 3 [pid 7311] <... exit_group resumed>) = ? [pid 7310] +++ exited with 0 +++ [pid 7313] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7314] write(3, "1000", 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7312] <... bpf resumed>) = 6 [pid 7314] <... write resumed>) = 4 [pid 7312] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7311] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7314] close(3 [pid 7312] <... bpf resumed>) = 7 [pid 7312] exit_group(0./strace-static-x86_64: Process 7315 attached [pid 7314] <... close resumed>) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7311, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] <... restart_syscall resumed>) = 0 executing program [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7315 [pid 7314] write(1, "executing program\n", 18 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7314] <... write resumed>) = 18 [pid 7315] set_robust_list(0x55558c953660, 24 [pid 7312] <... exit_group resumed>) = ? [pid 5872] <... restart_syscall resumed>) = 0 [pid 7315] <... set_robust_list resumed>) = 0 [pid 7314] perf_event_open( [pid 7315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7314] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7315] <... prctl resumed>) = 0 [pid 7315] setpgid(0, 0) = 0 [pid 7314] perf_event_open( [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7317 attached ./strace-static-x86_64: Process 7316 attached ) = 3 [pid 7314] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7312] +++ exited with 0 +++ [pid 7317] set_robust_list(0x55558c953660, 24 [pid 7315] write(3, "1000", 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7316 [pid 7315] <... write resumed>) = 4 [pid 7317] <... set_robust_list resumed>) = 0 [pid 7316] set_robust_list(0x55558c953660, 24 [pid 7315] close(3 [pid 7314] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7317 [pid 7317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7316] <... set_robust_list resumed>) = 0 [pid 7315] <... close resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7314] <... bpf resumed>) = 5 [pid 7317] <... prctl resumed>) = 0 [pid 7316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7315] write(1, "executing program\n", 18 [pid 7314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7317] setpgid(0, 0 [pid 7316] <... prctl resumed>) = 0 executing program [pid 7317] <... setpgid resumed>) = 0 [pid 7316] setpgid(0, 0 [pid 7315] <... write resumed>) = 18 [pid 7317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7316] <... setpgid resumed>) = 0 [pid 7315] perf_event_open( [pid 7317] <... openat resumed>) = 3 [pid 7316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7315] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7317] write(3, "1000", 4 [pid 7316] <... openat resumed>) = 3 [pid 7314] <... bpf resumed>) = 6 [pid 7317] <... write resumed>) = 4 [pid 7317] close(3./strace-static-x86_64: Process 7318 attached ) = 0 executing program [pid 7316] write(3, "1000", 4 [pid 7315] perf_event_open( [pid 7314] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7318] set_robust_list(0x55558c953660, 24 [pid 7317] write(1, "executing program\n", 18 [pid 7316] <... write resumed>) = 4 [pid 7315] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7314] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7318 [pid 7318] <... set_robust_list resumed>) = 0 [pid 7317] <... write resumed>) = 18 [pid 7316] close(3 [pid 7317] perf_event_open( [pid 7316] <... close resumed>) = 0 executing program [pid 7318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7317] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7316] write(1, "executing program\n", 18 [pid 7315] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7318] <... prctl resumed>) = 0 [pid 7314] exit_group(0 [pid 7318] setpgid(0, 0 [pid 7317] perf_event_open( [pid 7316] <... write resumed>) = 18 [pid 7315] <... bpf resumed>) = 5 [pid 7314] <... exit_group resumed>) = ? [pid 7318] <... setpgid resumed>) = 0 [pid 7317] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7316] perf_event_open( [pid 7315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7317] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7316] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7314] +++ exited with 0 +++ [pid 7318] <... openat resumed>) = 3 [pid 7318] write(3, "1000", 4 [pid 7317] <... bpf resumed>) = 5 [pid 7316] perf_event_open( [pid 7315] <... bpf resumed>) = 6 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7318] <... write resumed>) = 4 [pid 7317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7316] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7315] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7318] close(3 [pid 7316] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7318] <... close resumed>) = 0 [pid 7317] <... bpf resumed>) = 6 [pid 7316] <... bpf resumed>) = 5 executing program [pid 7318] write(1, "executing program\n", 18 [pid 7317] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7315] <... bpf resumed>) = 7 [pid 7318] <... write resumed>) = 18 [pid 7317] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7319 attached [pid 7317] exit_group(0) = ? [pid 7318] perf_event_open( [pid 7319] set_robust_list(0x55558c953660, 24 [pid 7315] exit_group(0 [pid 7319] <... set_robust_list resumed>) = 0 [pid 7319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7318] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7315] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7319 [pid 7319] <... prctl resumed>) = 0 [pid 7319] setpgid(0, 0) = 0 [pid 7319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7318] perf_event_open( [pid 7319] write(3, "1000", 4) = 4 [pid 7319] close(3 [pid 7318] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7317] +++ exited with 0 +++ [pid 7316] <... bpf resumed>) = 6 [pid 7319] <... close resumed>) = 0 executing program [pid 7318] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7319] write(1, "executing program\n", 18 [pid 7316] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7317, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7319] <... write resumed>) = 18 [pid 7319] perf_event_open( [pid 7318] <... bpf resumed>) = 5 [pid 7319] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7316] <... bpf resumed>) = 7 [pid 7319] perf_event_open( [pid 7318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7316] exit_group(0 [pid 7315] +++ exited with 0 +++ [pid 7319] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7318] <... bpf resumed>) = 6 [pid 7316] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7319] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7320 attached [pid 7319] <... bpf resumed>) = 5 [pid 7316] +++ exited with 0 +++ [pid 7320] set_robust_list(0x55558c953660, 24 [pid 7319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7318] <... bpf resumed>) = 7 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7320 [pid 7318] exit_group(0 [pid 7320] <... set_robust_list resumed>) = 0 [pid 7319] <... bpf resumed>) = 6 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7319] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7318] <... exit_group resumed>) = ? [pid 7319] <... bpf resumed>) = 7 [pid 7320] <... prctl resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7320] setpgid(0, 0./strace-static-x86_64: Process 7322 attached ) = 0 [pid 7319] exit_group(0./strace-static-x86_64: Process 7321 attached [pid 7322] set_robust_list(0x55558c953660, 24 [pid 7320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7319] <... exit_group resumed>) = ? [pid 7318] +++ exited with 0 +++ [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7321 [pid 7322] <... set_robust_list resumed>) = 0 [pid 7322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7321] set_robust_list(0x55558c953660, 24 [pid 7320] <... openat resumed>) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7322 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7322] <... prctl resumed>) = 0 [pid 7321] <... set_robust_list resumed>) = 0 [pid 7321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7322] setpgid(0, 0 [pid 7320] write(3, "1000", 4 [pid 7322] <... setpgid resumed>) = 0 [pid 7321] setpgid(0, 0 [pid 7320] <... write resumed>) = 4 [pid 7322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7321] <... setpgid resumed>) = 0 [pid 7320] close(3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7322] <... openat resumed>) = 3 executing program [pid 7321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7320] <... close resumed>) = 0 ./strace-static-x86_64: Process 7323 attached [pid 7322] write(3, "1000", 4 [pid 7320] write(1, "executing program\n", 18) = 18 [pid 7323] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7323 [pid 7320] perf_event_open( [pid 7323] <... set_robust_list resumed>) = 0 [pid 7322] <... write resumed>) = 4 [pid 7321] <... openat resumed>) = 3 [pid 7323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7322] close(3 [pid 7323] <... prctl resumed>) = 0 [pid 7322] <... close resumed>) = 0 [pid 7321] write(3, "1000", 4 [pid 7323] setpgid(0, 0executing program [pid 7321] <... write resumed>) = 4 [pid 7322] write(1, "executing program\n", 18 [pid 7323] <... setpgid resumed>) = 0 [pid 7322] <... write resumed>) = 18 [pid 7322] perf_event_open( [pid 7321] close(3 [pid 7323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7321] <... close resumed>) = 0 executing program [pid 7321] write(1, "executing program\n", 18 [pid 7323] <... openat resumed>) = 3 [pid 7321] <... write resumed>) = 18 [pid 7321] perf_event_open( [pid 7323] write(3, "1000", 4) = 4 [pid 7323] close(3) = 0 [pid 7323] write(1, "executing program\n", 18executing program ) = 18 [pid 7323] perf_event_open( [pid 7319] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7323] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7322] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7321] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7320] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7323] perf_event_open( [pid 7322] perf_event_open( [pid 7321] perf_event_open( [pid 7320] perf_event_open( [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7323] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7322] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7321] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7321] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7323] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7322] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7321] <... bpf resumed>) = 5 [pid 7322] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7323] <... bpf resumed>) = 5 [pid 7322] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7321] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7320] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7324 attached [pid 7323] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7322] <... bpf resumed>) = 6 [pid 7321] <... bpf resumed>) = 6 [pid 7324] set_robust_list(0x55558c953660, 24 [pid 7321] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7320] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7324 [pid 7324] <... set_robust_list resumed>) = 0 [pid 7322] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7321] <... bpf resumed>) = 7 [pid 7324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7322] <... bpf resumed>) = 7 [pid 7320] <... bpf resumed>) = 5 [pid 7324] <... prctl resumed>) = 0 [pid 7321] exit_group(0 [pid 7324] setpgid(0, 0 [pid 7323] <... bpf resumed>) = 6 [pid 7322] exit_group(0 [pid 7321] <... exit_group resumed>) = ? [pid 7320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7324] <... setpgid resumed>) = 0 [pid 7322] <... exit_group resumed>) = ? [pid 7322] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7323] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7324] <... openat resumed>) = 3 [pid 7321] +++ exited with 0 +++ [pid 7320] <... bpf resumed>) = 6 [pid 7324] write(3, "1000", 4 [pid 7323] <... bpf resumed>) = 7 [pid 7320] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7324] <... write resumed>) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7320] <... bpf resumed>) = 7 [pid 7324] close(3 [pid 7323] exit_group(0 [pid 7324] <... close resumed>) = 0 [pid 7323] <... exit_group resumed>) = ? [pid 7324] write(1, "executing program\n", 18 [pid 7320] exit_group(0executing program ) = ? [pid 7324] <... write resumed>) = 18 [pid 7323] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7324] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7323, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7325 attached [pid 5867] <... restart_syscall resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7325 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7325] set_robust_list(0x55558c953660, 24) = 0 [pid 7325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7325] <... prctl resumed>) = 0 [pid 7325] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7326 attached [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7326 [pid 7326] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7327 ./strace-static-x86_64: Process 7327 attached [pid 7326] <... set_robust_list resumed>) = 0 [pid 7326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7325] <... openat resumed>) = 3 [pid 7326] setpgid(0, 0 [pid 7327] set_robust_list(0x55558c953660, 24) = 0 [pid 7326] <... setpgid resumed>) = 0 [pid 7325] write(3, "1000", 4 [pid 7326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7325] <... write resumed>) = 4 [pid 7325] close(3 [pid 7327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7326] <... openat resumed>) = 3 [pid 7325] <... close resumed>) = 0 executing program [pid 7326] write(3, "1000", 4 [pid 7325] write(1, "executing program\n", 18 [pid 7326] <... write resumed>) = 4 [pid 7325] <... write resumed>) = 18 [pid 7326] close(3 [pid 7325] perf_event_open( [pid 7326] <... close resumed>) = 0 executing program [pid 7326] write(1, "executing program\n", 18 [pid 7327] <... prctl resumed>) = 0 [pid 7326] <... write resumed>) = 18 [pid 7327] setpgid(0, 0) = 0 [pid 7326] perf_event_open( [pid 7327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7327] write(3, "1000", 4) = 4 [pid 7327] close(3 [pid 7326] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7325] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7324] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7320] +++ exited with 0 +++ [pid 7327] <... close resumed>) = 0 [pid 7325] perf_event_open( [pid 7327] write(1, "executing program\n", 18executing program [pid 7326] perf_event_open( [pid 7324] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7327] <... write resumed>) = 18 [pid 7325] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7327] perf_event_open( [pid 7326] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7327] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7324] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7327] perf_event_open( [pid 7325] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7327] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7326] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7324] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7327] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7326] <... bpf resumed>) = 5 [pid 7325] <... bpf resumed>) = 5 [pid 7326] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7325] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7324] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 7328 attached [pid 7327] <... bpf resumed>) = 5 [pid 7326] <... bpf resumed>) = 6 [pid 7325] <... bpf resumed>) = 6 [pid 7324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7328 [pid 7328] set_robust_list(0x55558c953660, 24 [pid 7327] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7326] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7325] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7328] <... set_robust_list resumed>) = 0 [pid 7326] <... bpf resumed>) = 7 [pid 7325] <... bpf resumed>) = 7 [pid 7328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7324] <... bpf resumed>) = 6 [pid 7328] <... prctl resumed>) = 0 [pid 7328] setpgid(0, 0 [pid 7326] exit_group(0 [pid 7328] <... setpgid resumed>) = 0 [pid 7325] exit_group(0 [pid 7328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7327] <... bpf resumed>) = 6 [pid 7326] <... exit_group resumed>) = ? [pid 7325] <... exit_group resumed>) = ? [pid 7324] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7328] <... openat resumed>) = 3 [pid 7327] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7324] <... bpf resumed>) = 7 [pid 7327] exit_group(0 [pid 7328] write(3, "1000", 4 [pid 7326] +++ exited with 0 +++ [pid 7325] +++ exited with 0 +++ [pid 7324] exit_group(0 [pid 7328] <... write resumed>) = 4 [pid 7327] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7324] <... exit_group resumed>) = ? [pid 7328] close(3) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 7324] +++ exited with 0 +++ [pid 7328] write(1, "executing program\n", 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7328] <... write resumed>) = 18 [pid 5875] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7329 attached [pid 7328] perf_event_open( [pid 7329] set_robust_list(0x55558c953660, 24) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7329 [pid 7329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... restart_syscall resumed>) = 0 [pid 7329] <... prctl resumed>) = 0 [pid 7329] setpgid(0, 0) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7330 attached [pid 7328] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7327] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7328] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7330 [pid 7328] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7328] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 7331 attached [pid 7330] set_robust_list(0x55558c953660, 24 [pid 7329] <... openat resumed>) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7327, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7331] set_robust_list(0x55558c953660, 24executing program [pid 7330] <... set_robust_list resumed>) = 0 [pid 7329] write(3, "1000", 4 [pid 7328] <... bpf resumed>) = 5 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7331 [pid 7331] <... set_robust_list resumed>) = 0 [pid 7329] <... write resumed>) = 4 [pid 7329] close(3 [pid 7331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7329] <... close resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7329] write(1, "executing program\n", 18) = 18 [pid 7329] perf_event_open( [pid 7328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7332 attached [pid 7331] <... prctl resumed>) = 0 [pid 7330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7329] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7329] perf_event_open( [pid 7332] set_robust_list(0x55558c953660, 24 [pid 7329] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7332] <... set_robust_list resumed>) = 0 [pid 7332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7331] setpgid(0, 0 [pid 7330] <... prctl resumed>) = 0 [pid 7329] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7328] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7332 [pid 7332] <... prctl resumed>) = 0 [pid 7330] setpgid(0, 0 [pid 7328] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7330] <... setpgid resumed>) = 0 [pid 7331] <... setpgid resumed>) = 0 [pid 7329] <... bpf resumed>) = 5 [pid 7331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7332] setpgid(0, 0 [pid 7331] <... openat resumed>) = 3 [pid 7330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7328] <... bpf resumed>) = 7 [pid 7332] <... setpgid resumed>) = 0 [pid 7331] write(3, "1000", 4 [pid 7332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7331] <... write resumed>) = 4 [pid 7330] <... openat resumed>) = 3 [pid 7329] <... bpf resumed>) = 6 [pid 7328] exit_group(0 [pid 7332] <... openat resumed>) = 3 [pid 7331] close(3 [pid 7329] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7332] write(3, "1000", 4 [pid 7331] <... close resumed>) = 0 [pid 7330] write(3, "1000", 4) = 4 executing program [pid 7329] <... bpf resumed>) = 7 [pid 7330] close(3) = 0 [pid 7330] write(1, "executing program\n", 18) = 18 executing program executing program [pid 7331] write(1, "executing program\n", 18 [pid 7330] perf_event_open( [pid 7332] <... write resumed>) = 4 [pid 7331] <... write resumed>) = 18 [pid 7332] close(3) = 0 [pid 7331] perf_event_open( [pid 7330] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7328] <... exit_group resumed>) = ? [pid 7332] write(1, "executing program\n", 18) = 18 [pid 7331] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7330] perf_event_open( [pid 7329] exit_group(0 [pid 7332] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7331] perf_event_open( [pid 7330] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7329] <... exit_group resumed>) = ? [pid 7332] perf_event_open( [pid 7331] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7330] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7328] +++ exited with 0 +++ [pid 7332] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7331] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7332] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7331] <... bpf resumed>) = 5 [pid 7330] <... bpf resumed>) = 5 [pid 7332] <... bpf resumed>) = 5 [pid 7331] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7330] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7329] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7328, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7332] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7330] <... bpf resumed>) = 6 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7332] <... bpf resumed>) = 6 [pid 5868] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7333 attached [pid 7331] <... bpf resumed>) = 6 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7331] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7333] set_robust_list(0x55558c953660, 24 [pid 7330] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7333] <... set_robust_list resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7333 ./strace-static-x86_64: Process 7334 attached [pid 7333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7332] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7331] <... bpf resumed>) = 7 [pid 7330] <... bpf resumed>) = 7 [pid 7334] set_robust_list(0x55558c953660, 24 [pid 7332] <... bpf resumed>) = 7 [pid 7331] exit_group(0 [pid 7334] <... set_robust_list resumed>) = 0 [pid 7333] <... prctl resumed>) = 0 [pid 7330] exit_group(0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7334 [pid 7334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7332] exit_group(0 [pid 7333] setpgid(0, 0 [pid 7332] <... exit_group resumed>) = ? [pid 7334] <... prctl resumed>) = 0 [pid 7333] <... setpgid resumed>) = 0 [pid 7331] <... exit_group resumed>) = ? [pid 7330] <... exit_group resumed>) = ? [pid 7334] setpgid(0, 0 [pid 7333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7330] +++ exited with 0 +++ [pid 7334] <... setpgid resumed>) = 0 [pid 7333] <... openat resumed>) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7330, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7334] <... openat resumed>) = 3 [pid 7333] write(3, "1000", 4) = 4 [pid 7333] close(3) = 0 [pid 7334] write(3, "1000", 4 [pid 7333] write(1, "executing program\n", 18 [pid 7331] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 executing program [pid 7334] <... write resumed>) = 4 [pid 7333] <... write resumed>) = 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7334] close(3 [pid 7333] perf_event_open( [pid 7334] <... close resumed>) = 0 executing program [pid 7334] write(1, "executing program\n", 18) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7334] perf_event_open(./strace-static-x86_64: Process 7335 attached [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7335] set_robust_list(0x55558c953660, 24) = 0 [pid 7335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7336 attached [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7335 [pid 7335] setpgid(0, 0) = 0 [pid 7336] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7336 [pid 7336] <... set_robust_list resumed>) = 0 [pid 7335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7335] <... openat resumed>) = 3 [pid 7336] setpgid(0, 0 [pid 7335] write(3, "1000", 4 [pid 7336] <... setpgid resumed>) = 0 [pid 7335] <... write resumed>) = 4 executing program [pid 7336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7335] close(3) = 0 [pid 7335] write(1, "executing program\n", 18) = 18 [pid 7336] <... openat resumed>) = 3 [pid 7335] perf_event_open( [pid 7336] write(3, "1000", 4) = 4 [pid 7336] close(3) = 0 [pid 7336] write(1, "executing program\n", 18executing program ) = 18 [pid 7336] perf_event_open( [pid 7335] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7334] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7333] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7332] +++ exited with 0 +++ [pid 7335] perf_event_open( [pid 7333] perf_event_open( [pid 7336] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7334] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7335] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7336] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7335] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7334] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7333] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7336] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7335] <... bpf resumed>) = 5 [pid 7336] <... bpf resumed>) = 5 [pid 7335] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7334] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7333] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7336] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7334] <... bpf resumed>) = 5 [pid 7333] <... bpf resumed>) = 5 [pid 7333] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7336] <... bpf resumed>) = 6 [pid 7335] <... bpf resumed>) = 6 [pid 7334] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7336] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7335] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7334] <... bpf resumed>) = 6 [pid 7336] <... bpf resumed>) = 7 [pid 7336] exit_group(0) = ? [pid 7336] +++ exited with 0 +++ [pid 7334] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7333] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7337 attached [pid 7333] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7337] set_robust_list(0x55558c953660, 24 [pid 7335] <... bpf resumed>) = 7 [pid 7334] <... bpf resumed>) = 7 [pid 7333] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7337 [pid 7337] <... set_robust_list resumed>) = 0 [pid 7335] exit_group(0 [pid 7334] exit_group(0 [pid 7333] exit_group(0 [pid 7337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7335] <... exit_group resumed>) = ? [pid 7334] <... exit_group resumed>) = ? [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7333] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7338 attached [pid 7337] <... prctl resumed>) = 0 [pid 7334] +++ exited with 0 +++ [pid 7337] setpgid(0, 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7334, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7338] set_robust_list(0x55558c953660, 24) = 0 [pid 7338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7337] <... setpgid resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7338 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7338] <... prctl resumed>) = 0 [pid 7337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] <... restart_syscall resumed>) = 0 [pid 7338] setpgid(0, 0) = 0 [pid 7337] <... openat resumed>) = 3 [pid 7338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7337] write(3, "1000", 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7337] <... write resumed>) = 4 [pid 7338] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7339 attached [pid 7337] close(3 [pid 7335] +++ exited with 0 +++ [pid 7339] set_robust_list(0x55558c953660, 24 [pid 7338] write(3, "1000", 4 [pid 7337] <... close resumed>) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7339 [pid 7339] <... set_robust_list resumed>) = 0 [pid 7338] <... write resumed>) = 4 [pid 7337] write(1, "executing program\n", 18executing program [pid 7339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7338] close(3 [pid 7337] <... write resumed>) = 18 [pid 7338] <... close resumed>) = 0 executing program [pid 7339] <... prctl resumed>) = 0 [pid 7338] write(1, "executing program\n", 18 [pid 7337] perf_event_open( [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7339] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7340 attached [pid 7339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7338] <... write resumed>) = 18 [pid 7340] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7340 [pid 7339] <... openat resumed>) = 3 [pid 7338] perf_event_open( [pid 7340] <... set_robust_list resumed>) = 0 [pid 7339] write(3, "1000", 4 [pid 7340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7339] <... write resumed>) = 4 [pid 7340] <... prctl resumed>) = 0 [pid 7339] close(3 [pid 7340] setpgid(0, 0 [pid 7339] <... close resumed>) = 0 [pid 7340] <... setpgid resumed>) = 0 executing program [pid 7339] write(1, "executing program\n", 18 [pid 7340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7339] <... write resumed>) = 18 [pid 7339] perf_event_open( [pid 7340] <... openat resumed>) = 3 [pid 7340] write(3, "1000", 4) = 4 [pid 7340] close(3 [pid 7339] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7338] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7337] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7333] +++ exited with 0 +++ [pid 7340] <... close resumed>) = 0 [pid 7339] perf_event_open( [pid 7337] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 7340] write(1, "executing program\n", 18 [pid 7339] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7338] perf_event_open( [pid 7337] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7340] <... write resumed>) = 18 [pid 7339] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7338] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7337] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7340] perf_event_open( [pid 7339] <... bpf resumed>) = 5 [pid 7338] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7337] <... bpf resumed>) = 5 [pid 7340] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7339] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7338] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7340] perf_event_open( [pid 7339] <... bpf resumed>) = 6 [pid 7337] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7342 attached [pid 7340] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7338] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7342] set_robust_list(0x55558c953660, 24 [pid 7340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7338] <... bpf resumed>) = 6 [pid 7342] <... set_robust_list resumed>) = 0 [pid 7340] <... bpf resumed>) = 5 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7342 [pid 7342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7339] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7338] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7342] <... prctl resumed>) = 0 [pid 7339] <... bpf resumed>) = 7 [pid 7338] <... bpf resumed>) = 7 [pid 7342] setpgid(0, 0) = 0 [pid 7342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7337] <... bpf resumed>) = 6 [pid 7342] <... openat resumed>) = 3 [pid 7339] exit_group(0 [pid 7338] exit_group(0 [pid 7339] <... exit_group resumed>) = ? [pid 7342] write(3, "1000", 4 [pid 7340] <... bpf resumed>) = 6 [pid 7338] <... exit_group resumed>) = ? [pid 7337] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7342] <... write resumed>) = 4 [pid 7339] +++ exited with 0 +++ [pid 7340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7337] <... bpf resumed>) = 7 [pid 7340] <... bpf resumed>) = 7 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7339, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7340] exit_group(0 [pid 7337] exit_group(0 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7340] <... exit_group resumed>) = ? [pid 7342] close(3 [pid 7338] +++ exited with 0 +++ [pid 7337] <... exit_group resumed>) = ? [pid 5868] <... restart_syscall resumed>) = 0 [pid 7342] <... close resumed>) = 0 [pid 7342] write(1, "executing program\n", 18executing program ) = 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7342] perf_event_open( [pid 7340] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7343 attached [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7344 attached [pid 7343] set_robust_list(0x55558c953660, 24) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7343 [pid 7344] set_robust_list(0x55558c953660, 24 [pid 7343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7342] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7337] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7344 [pid 7344] <... set_robust_list resumed>) = 0 [pid 7343] <... prctl resumed>) = 0 [pid 7342] perf_event_open( [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7343] setpgid(0, 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7344] <... prctl resumed>) = 0 [pid 7343] <... setpgid resumed>) = 0 [pid 7342] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7344] setpgid(0, 0 [pid 7343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7345 attached [pid 7344] <... setpgid resumed>) = 0 [pid 7342] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7345] set_robust_list(0x55558c953660, 24 [pid 7342] <... bpf resumed>) = 5 [pid 7345] <... set_robust_list resumed>) = 0 [pid 7344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7342] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7345 [pid 7345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7344] <... openat resumed>) = 3 [pid 7343] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7344] write(3, "1000", 4 [pid 7343] write(3, "1000", 4./strace-static-x86_64: Process 7346 attached [pid 7345] <... prctl resumed>) = 0 [pid 7344] <... write resumed>) = 4 [pid 7343] <... write resumed>) = 4 [pid 7346] set_robust_list(0x55558c953660, 24 [pid 7345] setpgid(0, 0 [pid 7344] close(3 [pid 7343] close(3 [pid 7342] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7346 [pid 7346] <... set_robust_list resumed>) = 0 [pid 7345] <... setpgid resumed>) = 0 [pid 7344] <... close resumed>) = 0 [pid 7343] <... close resumed>) = 0 [pid 7346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7342] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 executing program executing program [pid 7344] write(1, "executing program\n", 18 [pid 7343] write(1, "executing program\n", 18 [pid 7346] <... prctl resumed>) = 0 [pid 7345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7344] <... write resumed>) = 18 [pid 7343] <... write resumed>) = 18 [pid 7342] <... bpf resumed>) = 7 [pid 7346] setpgid(0, 0) = 0 [pid 7344] perf_event_open( [pid 7343] perf_event_open( [pid 7346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7342] exit_group(0 [pid 7345] <... openat resumed>) = 3 [pid 7342] <... exit_group resumed>) = ? [pid 7346] <... openat resumed>) = 3 [pid 7345] write(3, "1000", 4 [pid 7344] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7343] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7345] <... write resumed>) = 4 [pid 7343] perf_event_open( [pid 7345] close(3 [pid 7343] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7345] <... close resumed>) = 0 executing program [pid 7345] write(1, "executing program\n", 18) = 18 [pid 7346] write(3, "1000", 4 [pid 7345] perf_event_open( [pid 7342] +++ exited with 0 +++ [pid 7344] perf_event_open( [pid 7343] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7346] <... write resumed>) = 4 [pid 7345] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7344] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7343] <... bpf resumed>) = 5 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7342, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7346] close(3 [pid 7345] perf_event_open( [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7346] <... close resumed>) = 0 [pid 7345] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7344] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7343] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 7346] write(1, "executing program\n", 18 [pid 7345] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7344] <... bpf resumed>) = 5 [pid 7346] <... write resumed>) = 18 [pid 7344] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7346] perf_event_open( [pid 7345] <... bpf resumed>) = 5 [pid 7343] <... bpf resumed>) = 6 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7345] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7346] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7344] <... bpf resumed>) = 6 [pid 7343] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7346] perf_event_open( [pid 7345] <... bpf resumed>) = 6 [pid 7345] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7347 attached [pid 7346] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7344] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7343] <... bpf resumed>) = 7 [pid 7347] set_robust_list(0x55558c953660, 24 [pid 7346] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7345] <... bpf resumed>) = 7 [pid 7344] <... bpf resumed>) = 7 [pid 7343] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7347 [pid 7347] <... set_robust_list resumed>) = 0 [pid 7347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7346] <... bpf resumed>) = 5 [pid 7345] exit_group(0 [pid 7344] exit_group(0 [pid 7343] <... exit_group resumed>) = ? [pid 7347] <... prctl resumed>) = 0 [pid 7347] setpgid(0, 0 [pid 7346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7345] <... exit_group resumed>) = ? [pid 7344] <... exit_group resumed>) = ? [pid 7347] <... setpgid resumed>) = 0 [pid 7343] +++ exited with 0 +++ [pid 7347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7347] write(3, "1000", 4 [pid 7346] <... bpf resumed>) = 6 [pid 7345] +++ exited with 0 +++ [pid 7344] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7343, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7347] <... write resumed>) = 4 [pid 7346] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7347] close(3 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7347] <... close resumed>) = 0 ./strace-static-x86_64: Process 7348 attached [pid 7347] write(1, "executing program\n", 18executing program [pid 7348] set_robust_list(0x55558c953660, 24 [pid 7347] <... write resumed>) = 18 [pid 7346] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7348] <... set_robust_list resumed>) = 0 [pid 7347] perf_event_open( [pid 7346] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7348 ./strace-static-x86_64: Process 7349 attached [pid 7348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7347] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7346] <... exit_group resumed>) = ? [pid 7349] set_robust_list(0x55558c953660, 24 [pid 7348] <... prctl resumed>) = 0 [pid 7347] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7347] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7349] <... set_robust_list resumed>) = 0 [pid 7348] setpgid(0, 0 [pid 7346] +++ exited with 0 +++ [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7349 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7348] <... setpgid resumed>) = 0 [pid 7347] <... bpf resumed>) = 5 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7346, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7349] <... prctl resumed>) = 0 [pid 7348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7347] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7349] setpgid(0, 0 [pid 7348] <... openat resumed>) = 3 [pid 7349] <... setpgid resumed>) = 0 [pid 7348] write(3, "1000", 4 [pid 7349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7348] <... write resumed>) = 4 [pid 7349] <... openat resumed>) = 3 [pid 7349] write(3, "1000", 4 [pid 7348] close(3 [pid 7349] <... write resumed>) = 4 [pid 7348] <... close resumed>) = 0 [pid 7349] close(3 [pid 7348] write(1, "executing program\n", 18executing program [pid 7349] <... close resumed>) = 0 [pid 7348] <... write resumed>) = 18 [pid 7347] <... bpf resumed>) = 6 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7351 attached ./strace-static-x86_64: Process 7350 attached executing program [pid 7349] write(1, "executing program\n", 18 [pid 7348] perf_event_open( [pid 7347] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7351] set_robust_list(0x55558c953660, 24 [pid 7350] set_robust_list(0x55558c953660, 24 [pid 7349] <... write resumed>) = 18 [pid 7351] <... set_robust_list resumed>) = 0 [pid 7350] <... set_robust_list resumed>) = 0 [pid 7348] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7347] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7350 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7351 [pid 7348] perf_event_open( [pid 7351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7349] perf_event_open( [pid 7348] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7351] <... prctl resumed>) = 0 [pid 7350] <... prctl resumed>) = 0 [pid 7347] exit_group(0 [pid 7349] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7351] setpgid(0, 0 [pid 7350] setpgid(0, 0 [pid 7351] <... setpgid resumed>) = 0 [pid 7349] perf_event_open( [pid 7348] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7347] <... exit_group resumed>) = ? [pid 7351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7350] <... setpgid resumed>) = 0 [pid 7349] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7348] <... bpf resumed>) = 5 [pid 7351] <... openat resumed>) = 3 [pid 7351] write(3, "1000", 4 [pid 7350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7349] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7347] +++ exited with 0 +++ [pid 7351] <... write resumed>) = 4 [pid 7350] <... openat resumed>) = 3 [pid 7349] <... bpf resumed>) = 5 [pid 7348] <... bpf resumed>) = 6 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7347, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7351] close(3executing program ) = 0 [pid 7350] write(3, "1000", 4 [pid 7349] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7351] write(1, "executing program\n", 18 [pid 7350] <... write resumed>) = 4 [pid 7351] <... write resumed>) = 18 [pid 7350] close(3 [pid 7351] perf_event_open( [pid 7350] <... close resumed>) = 0 [pid 7349] <... bpf resumed>) = 6 [pid 7351] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 7350] write(1, "executing program\n", 18 [pid 7348] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7351] perf_event_open( [pid 7350] <... write resumed>) = 18 [pid 7349] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7348] <... bpf resumed>) = 7 [pid 7351] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7350] perf_event_open(./strace-static-x86_64: Process 7353 attached [pid 7351] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7350] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7349] <... bpf resumed>) = 7 [pid 7348] exit_group(0 [pid 7353] set_robust_list(0x55558c953660, 24 [pid 7351] <... bpf resumed>) = 5 [pid 7348] <... exit_group resumed>) = ? [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7353 [pid 7353] <... set_robust_list resumed>) = 0 [pid 7351] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7350] perf_event_open( [pid 7349] exit_group(0 [pid 7353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7353] setpgid(0, 0) = 0 [pid 7353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7350] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7350] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7349] <... exit_group resumed>) = ? [pid 7351] <... bpf resumed>) = 6 [pid 7348] +++ exited with 0 +++ [pid 7353] <... openat resumed>) = 3 [pid 7351] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7350] <... bpf resumed>) = 5 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7348, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7353] write(3, "1000", 4 [pid 7349] +++ exited with 0 +++ [pid 7353] <... write resumed>) = 4 [pid 7351] <... bpf resumed>) = 7 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7353] close(3 [pid 7351] exit_group(0 [pid 7350] <... bpf resumed>) = 6 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7353] <... close resumed>) = 0 [pid 7350] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7353] write(1, "executing program\n", 18 [pid 7351] <... exit_group resumed>) = ? executing program [pid 7353] <... write resumed>) = 18 [pid 7350] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7353] perf_event_open( [pid 7351] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7351, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7350] exit_group(0) = ? ./strace-static-x86_64: Process 7355 attached ./strace-static-x86_64: Process 7354 attached [pid 7353] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7354] set_robust_list(0x55558c953660, 24 [pid 7355] set_robust_list(0x55558c953660, 24 [pid 7354] <... set_robust_list resumed>) = 0 [pid 7353] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7355 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7354 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7355] <... set_robust_list resumed>) = 0 [pid 7354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7354] <... prctl resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7355] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7356 attached [pid 7354] setpgid(0, 0 [pid 7353] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7350] +++ exited with 0 +++ [pid 7355] setpgid(0, 0 [pid 7354] <... setpgid resumed>) = 0 [pid 7353] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7350, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7356 [pid 7356] set_robust_list(0x55558c953660, 24 [pid 7355] <... setpgid resumed>) = 0 [pid 7354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7353] <... bpf resumed>) = 5 [pid 7356] <... set_robust_list resumed>) = 0 [pid 7355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7354] <... openat resumed>) = 3 [pid 7356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7353] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7356] <... prctl resumed>) = 0 [pid 7355] <... openat resumed>) = 3 [pid 7354] write(3, "1000", 4 [pid 7356] setpgid(0, 0 [pid 7354] <... write resumed>) = 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7354] close(3 [pid 7356] <... setpgid resumed>) = 0 [pid 7355] write(3, "1000", 4 [pid 7354] <... close resumed>) = 0 [pid 7356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7355] <... write resumed>) = 4 [pid 7354] write(1, "executing program\n", 18executing program [pid 7355] close(3 [pid 7353] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7357 attached [pid 7356] <... openat resumed>) = 3 [pid 7355] <... close resumed>) = 0 [pid 7354] <... write resumed>) = 18 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7357 [pid 7357] set_robust_list(0x55558c953660, 24executing program [pid 7356] write(3, "1000", 4 [pid 7355] write(1, "executing program\n", 18 [pid 7354] perf_event_open( [pid 7357] <... set_robust_list resumed>) = 0 [pid 7356] <... write resumed>) = 4 [pid 7355] <... write resumed>) = 18 [pid 7354] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7353] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7356] close(3 [pid 7355] perf_event_open( [pid 7354] perf_event_open( [pid 7357] <... prctl resumed>) = 0 [pid 7355] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7354] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7357] setpgid(0, 0 [pid 7354] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7357] <... setpgid resumed>) = 0 [pid 7356] <... close resumed>) = 0 [pid 7355] perf_event_open( [pid 7354] <... bpf resumed>) = 5 [pid 7353] <... bpf resumed>) = 7 [pid 7357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 7356] write(1, "executing program\n", 18 [pid 7354] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7353] exit_group(0 [pid 7357] <... openat resumed>) = 3 [pid 7356] <... write resumed>) = 18 [pid 7355] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7357] write(3, "1000", 4 [pid 7356] perf_event_open( [pid 7357] <... write resumed>) = 4 executing program [pid 7357] close(3 [pid 7356] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7357] <... close resumed>) = 0 [pid 7356] perf_event_open( [pid 7357] write(1, "executing program\n", 18) = 18 [pid 7356] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7355] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7353] <... exit_group resumed>) = ? [pid 7357] perf_event_open( [pid 7356] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7355] <... bpf resumed>) = 5 [pid 7354] <... bpf resumed>) = 6 [pid 7357] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7357] perf_event_open( [pid 7356] <... bpf resumed>) = 5 [pid 7354] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7357] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7355] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7353] +++ exited with 0 +++ [pid 7357] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7356] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7354] <... bpf resumed>) = 7 [pid 7357] <... bpf resumed>) = 5 [pid 7357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7355] <... bpf resumed>) = 6 [pid 7354] exit_group(0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7357] <... bpf resumed>) = 6 [pid 7355] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7357] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7355] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7358 attached [pid 7357] exit_group(0 [pid 7354] <... exit_group resumed>) = ? [pid 7355] exit_group(0 [pid 7358] set_robust_list(0x55558c953660, 24 [pid 7357] <... exit_group resumed>) = ? [pid 7358] <... set_robust_list resumed>) = 0 [pid 7355] <... exit_group resumed>) = ? [pid 7358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7358 [pid 7356] <... bpf resumed>) = 6 [pid 7358] <... prctl resumed>) = 0 [pid 7357] +++ exited with 0 +++ [pid 7355] +++ exited with 0 +++ [pid 7356] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7354] +++ exited with 0 +++ [pid 7358] setpgid(0, 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7357, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7358] <... setpgid resumed>) = 0 [pid 7358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7356] <... bpf resumed>) = 7 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7354, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7358] <... openat resumed>) = 3 [pid 7356] exit_group(0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7358] write(3, "1000", 4 [pid 7356] <... exit_group resumed>) = ? [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7359 attached [pid 7358] <... write resumed>) = 4 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7361 attached [pid 7361] set_robust_list(0x55558c953660, 24) = 0 ./strace-static-x86_64: Process 7360 attached [pid 7360] set_robust_list(0x55558c953660, 24 [pid 7359] set_robust_list(0x55558c953660, 24 [pid 7358] close(3 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7359 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7361 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7360 [pid 7361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7360] <... set_robust_list resumed>) = 0 [pid 7359] <... set_robust_list resumed>) = 0 [pid 7358] <... close resumed>) = 0 [pid 7361] <... prctl resumed>) = 0 [pid 7360] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 7361] setpgid(0, 0 [pid 7360] <... prctl resumed>) = 0 [pid 7359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7358] write(1, "executing program\n", 18 [pid 7361] <... setpgid resumed>) = 0 [pid 7360] setpgid(0, 0 [pid 7359] <... prctl resumed>) = 0 [pid 7358] <... write resumed>) = 18 [pid 7361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7360] <... setpgid resumed>) = 0 [pid 7359] setpgid(0, 0 [pid 7358] perf_event_open( [pid 7361] <... openat resumed>) = 3 [pid 7360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7359] <... setpgid resumed>) = 0 executing program executing program [pid 7361] write(3, "1000", 4 [pid 7360] <... openat resumed>) = 3 [pid 7359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7361] <... write resumed>) = 4 [pid 7360] write(3, "1000", 4 [pid 7361] close(3 [pid 7360] <... write resumed>) = 4 [pid 7359] <... openat resumed>) = 3 [pid 7361] <... close resumed>) = 0 [pid 7360] close(3 [pid 7359] write(3, "1000", 4 [pid 7361] write(1, "executing program\n", 18 [pid 7360] <... close resumed>) = 0 [pid 7359] <... write resumed>) = 4 [pid 7361] <... write resumed>) = 18 [pid 7360] write(1, "executing program\n", 18 [pid 7359] close(3 [pid 7361] perf_event_open( [pid 7360] <... write resumed>) = 18 [pid 7360] perf_event_open( [pid 7361] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7359] <... close resumed>) = 0 [pid 7358] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7356] +++ exited with 0 +++ [pid 7358] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7358] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7361] perf_event_open( [pid 7360] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7359] write(1, "executing program\n", 18 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7356, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 7361] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7360] perf_event_open( [pid 7359] <... write resumed>) = 18 [pid 7358] <... bpf resumed>) = 5 [pid 7361] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7360] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7361] <... bpf resumed>) = 5 [pid 7359] perf_event_open( [pid 7358] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7361] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7360] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7359] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7362 attached [pid 7358] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7362 [pid 7362] set_robust_list(0x55558c953660, 24 [pid 7361] <... bpf resumed>) = 6 [pid 7360] <... bpf resumed>) = 5 [pid 7359] perf_event_open( [pid 7358] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7362] <... set_robust_list resumed>) = 0 [pid 7362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7361] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7362] <... prctl resumed>) = 0 [pid 7359] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7362] setpgid(0, 0 [pid 7361] <... bpf resumed>) = 7 [pid 7358] <... bpf resumed>) = 7 [pid 7362] <... setpgid resumed>) = 0 [pid 7362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7361] exit_group(0 [pid 7360] <... bpf resumed>) = 6 [pid 7359] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7362] write(3, "1000", 4 [pid 7361] <... exit_group resumed>) = ? [pid 7360] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7358] exit_group(0 [pid 7359] <... bpf resumed>) = 5 [pid 7362] <... write resumed>) = 4 [pid 7360] <... bpf resumed>) = 7 [pid 7358] <... exit_group resumed>) = ? [pid 7362] close(3 [pid 7361] +++ exited with 0 +++ [pid 7359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7362] <... close resumed>) = 0 [pid 7360] exit_group(0executing program [pid 7362] write(1, "executing program\n", 18 [pid 7360] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7362] <... write resumed>) = 18 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7362] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7362] perf_event_open( [pid 7360] +++ exited with 0 +++ [pid 7359] <... bpf resumed>) = 6 [pid 7358] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 7359] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7362] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7360, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7358, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7359] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7359] exit_group(0 [pid 5871] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7363 attached [pid 7362] <... bpf resumed>) = 5 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7359] <... exit_group resumed>) = ? [pid 7363] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7363 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7364 attached [pid 7363] <... set_robust_list resumed>) = 0 [pid 7363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7359] +++ exited with 0 +++ [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7364 [pid 7364] set_robust_list(0x55558c953660, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7362] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7365 attached [pid 7364] <... set_robust_list resumed>) = 0 [pid 7363] <... prctl resumed>) = 0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7365] set_robust_list(0x55558c953660, 24 [pid 7364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7363] setpgid(0, 0 [pid 7362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7365 [pid 7365] <... set_robust_list resumed>) = 0 [pid 7364] <... prctl resumed>) = 0 [pid 7363] <... setpgid resumed>) = 0 [pid 7365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7364] setpgid(0, 0 [pid 7363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7362] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7365] <... prctl resumed>) = 0 [pid 7364] <... setpgid resumed>) = 0 [pid 7363] <... openat resumed>) = 3 [pid 7364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7366 attached [pid 7365] setpgid(0, 0 [pid 7363] write(3, "1000", 4 [pid 7362] exit_group(0 [pid 7363] <... write resumed>) = 4 [pid 7366] set_robust_list(0x55558c953660, 24 [pid 7365] <... setpgid resumed>) = 0 [pid 7364] <... openat resumed>) = 3 [pid 7363] close(3 [pid 7362] <... exit_group resumed>) = ? [pid 7366] <... set_robust_list resumed>) = 0 [pid 7365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7364] write(3, "1000", 4 [pid 7363] <... close resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7366 [pid 7366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7365] <... openat resumed>) = 3 [pid 7364] <... write resumed>) = 4 executing program [pid 7363] write(1, "executing program\n", 18 [pid 7366] <... prctl resumed>) = 0 [pid 7365] write(3, "1000", 4 [pid 7364] close(3 [pid 7363] <... write resumed>) = 18 [pid 7366] setpgid(0, 0 [pid 7365] <... write resumed>) = 4 executing program [pid 7364] <... close resumed>) = 0 [pid 7363] perf_event_open( [pid 7366] <... setpgid resumed>) = 0 [pid 7365] close(3 [pid 7364] write(1, "executing program\n", 18 [pid 7366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7365] <... close resumed>) = 0 [pid 7364] <... write resumed>) = 18 executing program [pid 7365] write(1, "executing program\n", 18 [pid 7366] <... openat resumed>) = 3 [pid 7365] <... write resumed>) = 18 [pid 7364] perf_event_open( [pid 7366] write(3, "1000", 4 [pid 7365] perf_event_open( [pid 7366] <... write resumed>) = 4 [pid 7366] close(3) = 0 executing program [pid 7366] write(1, "executing program\n", 18) = 18 [pid 7366] perf_event_open( [pid 7364] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7363] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7362] +++ exited with 0 +++ [pid 7366] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7365] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7364] perf_event_open( [pid 7363] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7362, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7365] perf_event_open( [pid 7364] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7363] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7366] perf_event_open( [pid 7363] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7366] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7365] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7364] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7363] <... bpf resumed>) = 5 [pid 7366] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7365] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7363] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7366] <... bpf resumed>) = 5 [pid 7365] <... bpf resumed>) = 5 [pid 7364] <... bpf resumed>) = 5 [pid 7366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7365] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7366] <... bpf resumed>) = 6 [pid 7363] <... bpf resumed>) = 6 [pid 7363] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7366] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7365] <... bpf resumed>) = 6 [pid 7364] <... bpf resumed>) = 6 [pid 7363] exit_group(0 [pid 7366] <... bpf resumed>) = 7 [pid 7365] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7364] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7366] exit_group(0 [pid 7365] <... bpf resumed>) = 7 [pid 7363] <... exit_group resumed>) = ? [pid 7364] <... bpf resumed>) = 7 [pid 7366] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7367 attached [pid 7365] exit_group(0 [pid 7367] set_robust_list(0x55558c953660, 24) = 0 [pid 7367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7367] setpgid(0, 0) = 0 [pid 7367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7363] +++ exited with 0 +++ [pid 7365] <... exit_group resumed>) = ? [pid 7364] exit_group(0) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7363, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7367 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7367] <... openat resumed>) = 3 [pid 7367] write(3, "1000", 4 [pid 7366] +++ exited with 0 +++ [pid 7364] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7367] <... write resumed>) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7364, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7367] close(3) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7367] write(1, "executing program\n", 18./strace-static-x86_64: Process 7369 attached ./strace-static-x86_64: Process 7368 attached ) = 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7369] set_robust_list(0x55558c953660, 24 [pid 7368] set_robust_list(0x55558c953660, 24 [pid 7367] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7368 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7369 [pid 7369] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7370 attached [pid 7369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7368] <... set_robust_list resumed>) = 0 [pid 7370] set_robust_list(0x55558c953660, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7370 [pid 7368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7369] <... prctl resumed>) = 0 [pid 7370] <... set_robust_list resumed>) = 0 [pid 7369] setpgid(0, 0 [pid 7370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7368] <... prctl resumed>) = 0 [pid 7370] <... prctl resumed>) = 0 [pid 7369] <... setpgid resumed>) = 0 [pid 7368] setpgid(0, 0 [pid 7369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7370] setpgid(0, 0 [pid 7368] <... setpgid resumed>) = 0 [pid 7370] <... setpgid resumed>) = 0 [pid 7368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7369] <... openat resumed>) = 3 [pid 7369] write(3, "1000", 4 [pid 7368] write(3, "1000", 4 [pid 7369] <... write resumed>) = 4 [pid 7368] <... write resumed>) = 4 [pid 7369] close(3 [pid 7368] close(3executing program executing program [pid 7369] <... close resumed>) = 0 [pid 7368] <... close resumed>) = 0 [pid 7369] write(1, "executing program\n", 18) = 18 [pid 7368] write(1, "executing program\n", 18 [pid 7370] <... openat resumed>) = 3 [pid 7369] perf_event_open( [pid 7368] <... write resumed>) = 18 [pid 7368] perf_event_open( [pid 7370] write(3, "1000", 4) = 4 [pid 7370] close(3) = 0 executing program [pid 7370] write(1, "executing program\n", 18) = 18 [pid 7370] perf_event_open( [pid 7365] +++ exited with 0 +++ [pid 7369] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7367] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7365, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7370] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7369] perf_event_open( [pid 7368] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7367] perf_event_open( [pid 5871] <... restart_syscall resumed>) = 0 [pid 7370] perf_event_open( [pid 7369] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7368] perf_event_open( [pid 7367] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7370] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7368] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7368] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7370] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7369] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7368] <... bpf resumed>) = 5 [pid 7367] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7370] <... bpf resumed>) = 5 [pid 7369] <... bpf resumed>) = 5 [pid 7368] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7370] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7369] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7367] <... bpf resumed>) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7368] <... bpf resumed>) = 6 [pid 7368] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7371 attached [pid 7370] <... bpf resumed>) = 6 [pid 7369] <... bpf resumed>) = 6 [pid 7367] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7369] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7371] set_robust_list(0x55558c953660, 24 [pid 7370] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7369] <... bpf resumed>) = 7 [pid 7368] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7371 [pid 7369] exit_group(0 [pid 7371] <... set_robust_list resumed>) = 0 [pid 7370] <... bpf resumed>) = 7 [pid 7369] <... exit_group resumed>) = ? [pid 7368] exit_group(0 [pid 7367] <... bpf resumed>) = 6 [pid 7371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7368] <... exit_group resumed>) = ? [pid 7367] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7370] exit_group(0 [pid 7371] <... prctl resumed>) = 0 [pid 7370] <... exit_group resumed>) = ? [pid 7371] setpgid(0, 0 [pid 7369] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7371] <... setpgid resumed>) = 0 [pid 7368] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 7371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7370] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7368, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7371] <... openat resumed>) = 3 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7371] write(3, "1000", 4 [pid 7367] <... bpf resumed>) = 7 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... restart_syscall resumed>) = 0 [pid 7371] <... write resumed>) = 4 [pid 7371] close(3) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7372 attached [pid 7371] write(1, "executing program\n", 18executing program [pid 7367] exit_group(0./strace-static-x86_64: Process 7373 attached [pid 7372] set_robust_list(0x55558c953660, 24 [pid 7367] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7374 attached [pid 7373] set_robust_list(0x55558c953660, 24 [pid 7372] <... set_robust_list resumed>) = 0 [pid 7371] <... write resumed>) = 18 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7372 [pid 7374] set_robust_list(0x55558c953660, 24 [pid 7373] <... set_robust_list resumed>) = 0 [pid 7372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7371] perf_event_open( [pid 7373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7372] <... prctl resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7374 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7373 [pid 7374] <... set_robust_list resumed>) = 0 [pid 7372] setpgid(0, 0) = 0 [pid 7372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7373] <... prctl resumed>) = 0 [pid 7372] <... openat resumed>) = 3 [pid 7372] write(3, "1000", 4) = 4 [pid 7373] setpgid(0, 0 [pid 7372] close(3) = 0 executing program [pid 7374] <... prctl resumed>) = 0 [pid 7373] <... setpgid resumed>) = 0 [pid 7372] write(1, "executing program\n", 18 [pid 7374] setpgid(0, 0 [pid 7372] <... write resumed>) = 18 [pid 7374] <... setpgid resumed>) = 0 [pid 7373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7372] perf_event_open( [pid 7374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7373] <... openat resumed>) = 3 [pid 7374] <... openat resumed>) = 3 [pid 7373] write(3, "1000", 4) = 4 [pid 7374] write(3, "1000", 4) = 4 [pid 7373] close(3 [pid 7372] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7371] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7367] +++ exited with 0 +++ [pid 7374] close(3) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7374] write(1, "executing program\n", 18executing program [pid 7372] perf_event_open( [pid 7374] <... write resumed>) = 18 [pid 7373] <... close resumed>) = 0 [pid 7371] perf_event_open(executing program [pid 7374] perf_event_open( [pid 7373] write(1, "executing program\n", 18 [pid 7372] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7373] <... write resumed>) = 18 [pid 7374] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7373] perf_event_open( [pid 7372] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7371] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7374] perf_event_open( [pid 7373] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7371] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7374] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7373] perf_event_open( [pid 7372] <... bpf resumed>) = 5 [pid 7371] <... bpf resumed>) = 5 [pid 7373] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7375 attached [pid 7374] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7373] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7372] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7375] set_robust_list(0x55558c953660, 24 [pid 7374] <... bpf resumed>) = 5 [pid 7374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7373] <... bpf resumed>) = 5 [pid 7371] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7375 [pid 7375] <... set_robust_list resumed>) = 0 [pid 7371] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7371] <... bpf resumed>) = 7 [pid 7375] <... prctl resumed>) = 0 [pid 7374] <... bpf resumed>) = 6 [pid 7373] <... bpf resumed>) = 6 [pid 7375] setpgid(0, 0) = 0 [pid 7371] exit_group(0) = ? [pid 7372] <... bpf resumed>) = 6 [pid 7373] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7373] <... bpf resumed>) = 7 [pid 7374] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7372] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7375] <... openat resumed>) = 3 [pid 7373] exit_group(0 [pid 7375] write(3, "1000", 4 [pid 7374] <... bpf resumed>) = 7 [pid 7373] <... exit_group resumed>) = ? [pid 7372] <... bpf resumed>) = 7 [pid 7371] +++ exited with 0 +++ [pid 7375] <... write resumed>) = 4 [pid 7374] exit_group(0 [pid 7372] exit_group(0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7371, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7375] close(3) = 0 executing program [pid 7375] write(1, "executing program\n", 18) = 18 [pid 7375] perf_event_open( [pid 7374] <... exit_group resumed>) = ? [pid 7375] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7373] +++ exited with 0 +++ [pid 7372] <... exit_group resumed>) = ? [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7375] perf_event_open( [pid 7374] +++ exited with 0 +++ [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7376 attached [pid 7375] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7372] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7377 attached [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7376 [pid 7376] set_robust_list(0x55558c953660, 24 [pid 7375] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 7378 attached [pid 7377] set_robust_list(0x55558c953660, 24 [pid 7376] <... set_robust_list resumed>) = 0 [pid 7375] <... bpf resumed>) = 5 [pid 7378] set_robust_list(0x55558c953660, 24 [pid 7377] <... set_robust_list resumed>) = 0 [pid 7376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7377 [pid 7378] <... set_robust_list resumed>) = 0 [pid 7377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7375] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7372, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7378 [pid 7378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7377] <... prctl resumed>) = 0 [pid 7376] <... prctl resumed>) = 0 [pid 7377] setpgid(0, 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7377] <... setpgid resumed>) = 0 [pid 7376] setpgid(0, 0 [pid 7378] <... prctl resumed>) = 0 [pid 7377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7378] setpgid(0, 0) = 0 [pid 7377] <... openat resumed>) = 3 [pid 7378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7377] write(3, "1000", 4./strace-static-x86_64: Process 7379 attached [pid 7378] <... openat resumed>) = 3 [pid 7376] <... setpgid resumed>) = 0 [pid 7375] <... bpf resumed>) = 6 [pid 7379] set_robust_list(0x55558c953660, 24 [pid 7378] write(3, "1000", 4 [pid 7377] <... write resumed>) = 4 [pid 7376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7375] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7379 [pid 7379] <... set_robust_list resumed>) = 0 [pid 7378] <... write resumed>) = 4 [pid 7377] close(3 [pid 7376] <... openat resumed>) = 3 [pid 7379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7378] close(3 [pid 7377] <... close resumed>) = 0 [pid 7376] write(3, "1000", 4 [pid 7375] <... bpf resumed>) = 7 [pid 7379] <... prctl resumed>) = 0 [pid 7378] <... close resumed>) = 0 [pid 7377] write(1, "executing program\n", 18executing program [pid 7376] <... write resumed>) = 4 [pid 7375] exit_group(0 [pid 7379] setpgid(0, 0 [pid 7378] write(1, "executing program\n", 18 [pid 7377] <... write resumed>) = 18 executing program [pid 7379] <... setpgid resumed>) = 0 [pid 7378] <... write resumed>) = 18 [pid 7377] perf_event_open( [pid 7376] close(3 [pid 7375] <... exit_group resumed>) = ? [pid 7379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7378] perf_event_open( [pid 7379] <... openat resumed>) = 3 [pid 7378] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7377] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7379] write(3, "1000", 4) = 4 [pid 7378] perf_event_open( [pid 7377] perf_event_open( [pid 7376] <... close resumed>) = 0 executing program [pid 7379] close(3 [pid 7376] write(1, "executing program\n", 18 [pid 7379] <... close resumed>) = 0 [pid 7376] <... write resumed>) = 18 [pid 7376] perf_event_open(executing program [pid 7379] write(1, "executing program\n", 18) = 18 [pid 7379] perf_event_open( [pid 7378] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7375] +++ exited with 0 +++ [pid 7377] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7376] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7379] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7378] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7377] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7376] perf_event_open( [pid 7379] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7375, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7379] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7378] <... bpf resumed>) = 5 [pid 7377] <... bpf resumed>) = 5 [pid 7376] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7376] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7378] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7379] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7376] <... bpf resumed>) = 5 [pid 7379] <... bpf resumed>) = 5 [pid 7378] <... bpf resumed>) = 6 [pid 7377] <... bpf resumed>) = 6 [pid 7379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7376] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7378] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7380 attached [pid 7379] <... bpf resumed>) = 6 [pid 7378] <... bpf resumed>) = 7 [pid 7377] <... bpf resumed>) = 7 [pid 7376] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7380 [pid 7380] set_robust_list(0x55558c953660, 24 [pid 7379] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7376] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7380] <... set_robust_list resumed>) = 0 [pid 7379] <... bpf resumed>) = 7 [pid 7378] exit_group(0 [pid 7377] exit_group(0 [pid 7376] <... bpf resumed>) = 7 [pid 7380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7378] <... exit_group resumed>) = ? [pid 7377] <... exit_group resumed>) = ? [pid 7377] +++ exited with 0 +++ [pid 7376] exit_group(0 [pid 7380] <... prctl resumed>) = 0 [pid 7379] exit_group(0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7377, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7376] <... exit_group resumed>) = ? [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7379] <... exit_group resumed>) = ? [pid 7380] setpgid(0, 0 [pid 7378] +++ exited with 0 +++ [pid 7376] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 7380] <... setpgid resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7380] write(3, "1000", 4 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7380] <... write resumed>) = 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7381 attached [pid 7380] close(3) = 0 [pid 7380] write(1, "executing program\n", 18executing program ) = 18 [pid 7381] set_robust_list(0x55558c953660, 24 [pid 7380] perf_event_open( [pid 7381] <... set_robust_list resumed>) = 0 [pid 7381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7381 ./strace-static-x86_64: Process 7383 attached ./strace-static-x86_64: Process 7382 attached [pid 7381] <... prctl resumed>) = 0 [pid 7380] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7379] +++ exited with 0 +++ [pid 7383] set_robust_list(0x55558c953660, 24) = 0 [pid 7382] set_robust_list(0x55558c953660, 24 [pid 7381] setpgid(0, 0 [pid 7380] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7382 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7383 [pid 7383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7382] <... set_robust_list resumed>) = 0 [pid 7381] <... setpgid resumed>) = 0 [pid 7380] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7383] <... prctl resumed>) = 0 [pid 7382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7380] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7383] setpgid(0, 0 [pid 7382] <... prctl resumed>) = 0 [pid 7381] <... openat resumed>) = 3 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7383] <... setpgid resumed>) = 0 [pid 7382] setpgid(0, 0 [pid 7381] write(3, "1000", 4 [pid 7380] <... bpf resumed>) = 5 [pid 7383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7382] <... setpgid resumed>) = 0 [pid 7381] <... write resumed>) = 4 ./strace-static-x86_64: Process 7384 attached [pid 7383] <... openat resumed>) = 3 [pid 7382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7381] close(3 [pid 7380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7384] set_robust_list(0x55558c953660, 24 [pid 7383] write(3, "1000", 4) = 4 [pid 7381] <... close resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7384 executing program [pid 7381] write(1, "executing program\n", 18) = 18 [pid 7381] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7381] perf_event_open( [pid 7384] <... set_robust_list resumed>) = 0 [pid 7383] close(3 [pid 7382] <... openat resumed>) = 3 [pid 7380] <... bpf resumed>) = 6 [pid 7381] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7383] <... close resumed>) = 0 [pid 7382] write(3, "1000", 4 [pid 7380] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7382] <... write resumed>) = 4 [pid 7381] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program [pid 7384] <... prctl resumed>) = 0 [pid 7383] write(1, "executing program\n", 18 [pid 7382] close(3 [pid 7381] <... bpf resumed>) = 5 [pid 7380] <... bpf resumed>) = 7 [pid 7384] setpgid(0, 0 [pid 7383] <... write resumed>) = 18 [pid 7383] perf_event_open( [pid 7382] <... close resumed>) = 0 [pid 7384] <... setpgid resumed>) = 0 [pid 7383] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7382] write(1, "executing program\n", 18 executing program [pid 7381] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7383] perf_event_open( [pid 7382] <... write resumed>) = 18 [pid 7380] exit_group(0 [pid 7383] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7380] <... exit_group resumed>) = ? [pid 7382] perf_event_open( [pid 7381] <... bpf resumed>) = 6 [pid 7382] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7384] <... openat resumed>) = 3 [pid 7383] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7382] perf_event_open( [pid 7384] write(3, "1000", 4 [pid 7381] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7383] <... bpf resumed>) = 5 [pid 7384] <... write resumed>) = 4 [pid 7382] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7381] <... bpf resumed>) = 7 [pid 7384] close(3 [pid 7382] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7384] <... close resumed>) = 0 [pid 7381] exit_group(0 [pid 7384] write(1, "executing program\n", 18executing program [pid 7383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7384] <... write resumed>) = 18 [pid 7382] <... bpf resumed>) = 5 [pid 7381] <... exit_group resumed>) = ? [pid 7380] +++ exited with 0 +++ [pid 7384] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7384] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7385 attached [pid 7385] set_robust_list(0x55558c953660, 24) = 0 [pid 7385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7385 [pid 7385] <... prctl resumed>) = 0 [pid 7384] perf_event_open( [pid 7383] <... bpf resumed>) = 6 [pid 7382] <... bpf resumed>) = 6 [pid 7381] +++ exited with 0 +++ [pid 7385] setpgid(0, 0 [pid 7382] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7384] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7385] <... setpgid resumed>) = 0 [pid 7383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7382] <... bpf resumed>) = 7 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7384] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7383] <... bpf resumed>) = 7 [pid 7385] <... openat resumed>) = 3 [pid 7383] exit_group(0) = ? [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7385] write(3, "1000", 4 [pid 7384] <... bpf resumed>) = 5 [pid 7382] exit_group(0 [pid 7385] <... write resumed>) = 4 [pid 7384] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7385] close(3./strace-static-x86_64: Process 7386 attached ) = 0 [pid 7384] <... bpf resumed>) = 6 [pid 7383] +++ exited with 0 +++ [pid 7382] <... exit_group resumed>) = ? [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7386 [pid 7386] set_robust_list(0x55558c953660, 24 [pid 7385] write(1, "executing program\n", 18executing program [pid 7384] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7382] +++ exited with 0 +++ [pid 7386] <... set_robust_list resumed>) = 0 [pid 7385] <... write resumed>) = 18 [pid 7384] <... bpf resumed>) = 7 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7385] perf_event_open( [pid 7384] exit_group(0 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7386] <... prctl resumed>) = 0 [pid 7385] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7384] <... exit_group resumed>) = ? [pid 7386] setpgid(0, 0 [pid 7385] perf_event_open( [pid 7386] <... setpgid resumed>) = 0 [pid 7386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7385] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7386] <... openat resumed>) = 3 [pid 7385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7386] write(3, "1000", 4) = 4 [pid 7385] <... bpf resumed>) = 5 [pid 7386] close(3 [pid 7384] +++ exited with 0 +++ [pid 7386] <... close resumed>) = 0 [pid 7386] write(1, "executing program\n", 18 executing program [pid 7385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7386] <... write resumed>) = 18 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7386] perf_event_open( [pid 5872] <... restart_syscall resumed>) = 0 [pid 7386] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7387 attached [pid 7386] perf_event_open( [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7389 attached ./strace-static-x86_64: Process 7388 attached [pid 7387] set_robust_list(0x55558c953660, 24 [pid 7386] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7385] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7387 [pid 7387] <... set_robust_list resumed>) = 0 [pid 7389] set_robust_list(0x55558c953660, 24) = 0 [pid 7388] set_robust_list(0x55558c953660, 24 [pid 7386] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7385] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7388 [pid 7387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7389 [pid 7389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7388] <... set_robust_list resumed>) = 0 [pid 7386] <... bpf resumed>) = 5 [pid 7389] <... prctl resumed>) = 0 [pid 7388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7387] <... prctl resumed>) = 0 [pid 7389] setpgid(0, 0 [pid 7388] <... prctl resumed>) = 0 [pid 7387] setpgid(0, 0 [pid 7386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7385] <... bpf resumed>) = 7 [pid 7389] <... setpgid resumed>) = 0 [pid 7388] setpgid(0, 0 [pid 7387] <... setpgid resumed>) = 0 [pid 7387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7387] write(3, "1000", 4 [pid 7389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7388] <... setpgid resumed>) = 0 [pid 7386] <... bpf resumed>) = 6 [pid 7385] exit_group(0 [pid 7388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7387] <... write resumed>) = 4 [pid 7386] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7385] <... exit_group resumed>) = ? [pid 7389] <... openat resumed>) = 3 [pid 7388] <... openat resumed>) = 3 [pid 7387] close(3 [pid 7386] <... bpf resumed>) = 7 [pid 7387] <... close resumed>) = 0 [pid 7386] exit_group(0executing program [pid 7387] write(1, "executing program\n", 18 [pid 7389] write(3, "1000", 4 [pid 7388] write(3, "1000", 4 [pid 7387] <... write resumed>) = 18 [pid 7386] <... exit_group resumed>) = ? [pid 7389] <... write resumed>) = 4 [pid 7388] <... write resumed>) = 4 [pid 7387] perf_event_open( [pid 7389] close(3 [pid 7388] close(3 [pid 7387] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7387] perf_event_open( [pid 7389] <... close resumed>) = 0 [pid 7388] <... close resumed>) = 0 [pid 7387] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 7389] write(1, "executing program\n", 18 [pid 7388] write(1, "executing program\n", 18executing program ) = 18 [pid 7388] perf_event_open( [pid 7389] <... write resumed>) = 18 [pid 7387] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7389] perf_event_open( [pid 7388] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7389] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7388] perf_event_open( [pid 7387] <... bpf resumed>) = 5 [pid 7385] +++ exited with 0 +++ [pid 7389] perf_event_open( [pid 7387] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7386] +++ exited with 0 +++ [pid 7388] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7389] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7385, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7389] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7388] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7389] <... bpf resumed>) = 5 [pid 7388] <... bpf resumed>) = 5 [pid 7387] <... bpf resumed>) = 6 [pid 7389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7388] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7387] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7389] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7390 attached [pid 7389] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7388] <... bpf resumed>) = 6 [pid 7387] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7391 attached [pid 7390] set_robust_list(0x55558c953660, 24 [pid 7388] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7387] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7390 [pid 7391] set_robust_list(0x55558c953660, 24 [pid 7389] <... bpf resumed>) = 7 [pid 7387] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7391 [pid 7391] <... set_robust_list resumed>) = 0 [pid 7390] <... set_robust_list resumed>) = 0 [pid 7389] exit_group(0 [pid 7388] <... bpf resumed>) = 7 [pid 7391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7391] <... prctl resumed>) = 0 [pid 7390] <... prctl resumed>) = 0 [pid 7389] <... exit_group resumed>) = ? [pid 7388] exit_group(0 [pid 7391] setpgid(0, 0 [pid 7390] setpgid(0, 0 [pid 7387] +++ exited with 0 +++ [pid 7391] <... setpgid resumed>) = 0 [pid 7388] <... exit_group resumed>) = ? [pid 7390] <... setpgid resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7389] +++ exited with 0 +++ [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7391] <... openat resumed>) = 3 [pid 7390] <... openat resumed>) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7391] write(3, "1000", 4 [pid 5872] restart_syscall(<... resuming interrupted clone ...>executing program [pid 7391] <... write resumed>) = 4 [pid 7390] write(3, "1000", 4 [pid 7391] close(3 [pid 7390] <... write resumed>) = 4 [pid 7391] <... close resumed>) = 0 [pid 7390] close(3 [pid 7391] write(1, "executing program\n", 18executing program ) = 18 [pid 7390] <... close resumed>) = 0 [pid 7390] write(1, "executing program\n", 18 [pid 7391] perf_event_open( [pid 7390] <... write resumed>) = 18 [pid 7390] perf_event_open( [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7393 attached ./strace-static-x86_64: Process 7392 attached [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7392 [pid 7393] set_robust_list(0x55558c953660, 24 [pid 7392] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7393 [pid 7393] <... set_robust_list resumed>) = 0 [pid 7392] <... set_robust_list resumed>) = 0 [pid 7393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7393] setpgid(0, 0 [pid 7392] <... prctl resumed>) = 0 [pid 7393] <... setpgid resumed>) = 0 [pid 7392] setpgid(0, 0 [pid 7393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7392] <... setpgid resumed>) = 0 [pid 7393] <... openat resumed>) = 3 [pid 7392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7393] write(3, "1000", 4) = 4 [pid 7393] close(3 [pid 7392] <... openat resumed>) = 3 [pid 7393] <... close resumed>) = 0 [pid 7392] write(3, "1000", 4) = 4 executing program [pid 7393] write(1, "executing program\n", 18 [pid 7392] close(3 [pid 7393] <... write resumed>) = 18 [pid 7392] <... close resumed>) = 0 executing program [pid 7393] perf_event_open( [pid 7392] write(1, "executing program\n", 18) = 18 [pid 7392] perf_event_open( [pid 7388] +++ exited with 0 +++ [pid 7393] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7392] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7391] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7390] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7388, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7393] perf_event_open( [pid 7392] perf_event_open( [pid 7391] perf_event_open( [pid 7390] perf_event_open( [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7393] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7393] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7391] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7393] <... bpf resumed>) = 5 [pid 7392] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7391] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7390] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7393] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7392] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7391] <... bpf resumed>) = 5 [pid 7390] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7392] <... bpf resumed>) = 5 [pid 7392] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7391] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7393] <... bpf resumed>) = 6 [pid 7390] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7394 attached [pid 7390] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7392] <... bpf resumed>) = 6 [pid 7393] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7394] set_robust_list(0x55558c953660, 24 [pid 7392] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7394] <... set_robust_list resumed>) = 0 [pid 7393] <... bpf resumed>) = 7 [pid 7392] <... bpf resumed>) = 7 [pid 7394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7394 [pid 7392] exit_group(0) = ? [pid 7394] <... prctl resumed>) = 0 [pid 7393] exit_group(0 [pid 7392] +++ exited with 0 +++ [pid 7391] <... bpf resumed>) = 6 [pid 7390] <... bpf resumed>) = 6 [pid 7394] setpgid(0, 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7393] <... exit_group resumed>) = ? [pid 7391] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7394] <... setpgid resumed>) = 0 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7391] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7394] <... openat resumed>) = 3 [pid 7391] <... exit_group resumed>) = ? [pid 7390] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7394] write(3, "1000", 4./strace-static-x86_64: Process 7395 attached executing program ) = 4 [pid 7393] +++ exited with 0 +++ [pid 7391] +++ exited with 0 +++ [pid 7390] <... bpf resumed>) = 7 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7395 [pid 7394] close(3 [pid 7395] set_robust_list(0x55558c953660, 24) = 0 [pid 7394] <... close resumed>) = 0 [pid 7395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7394] write(1, "executing program\n", 18 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7394] <... write resumed>) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7395] <... prctl resumed>) = 0 [pid 7394] perf_event_open( [pid 7395] setpgid(0, 0) = 0 [pid 7395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7396 attached [pid 7396] set_robust_list(0x55558c953660, 24) = 0 [pid 7396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7394] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7390] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7396 [pid 7396] <... prctl resumed>) = 0 [pid 7395] <... openat resumed>) = 3 [pid 7394] perf_event_open( [pid 7396] setpgid(0, 0) = 0 [pid 7396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7397 attached [pid 7395] write(3, "1000", 4 [pid 7394] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7390] <... exit_group resumed>) = ? [pid 7397] set_robust_list(0x55558c953660, 24 [pid 7395] <... write resumed>) = 4 [pid 7394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7396] <... openat resumed>) = 3 executing program [pid 7397] <... set_robust_list resumed>) = 0 [pid 7395] close(3 [pid 7394] <... bpf resumed>) = 5 [pid 7397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7395] <... close resumed>) = 0 [pid 7397] <... prctl resumed>) = 0 [pid 7395] write(1, "executing program\n", 18 [pid 7394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7397] setpgid(0, 0 [pid 7396] write(3, "1000", 4 [pid 7395] <... write resumed>) = 18 [pid 7394] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7397 [pid 7397] <... setpgid resumed>) = 0 [pid 7395] perf_event_open( [pid 7390] +++ exited with 0 +++ [pid 7395] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7396] <... write resumed>) = 4 [pid 7395] perf_event_open( [pid 7394] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7397] <... openat resumed>) = 3 [pid 7396] close(3 [pid 7395] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7396] <... close resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7394] <... bpf resumed>) = 7 [pid 7397] write(3, "1000", 4 [pid 7396] write(1, "executing program\n", 18executing program [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7397] <... write resumed>) = 4 [pid 7396] <... write resumed>) = 18 [pid 7395] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7394] exit_group(0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7397] close(3 [pid 7396] perf_event_open(executing program [pid 7397] <... close resumed>) = 0 [pid 7396] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7395] <... bpf resumed>) = 5 [pid 7394] <... exit_group resumed>) = ? [pid 7397] write(1, "executing program\n", 18 [pid 7396] perf_event_open( [pid 7395] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7397] <... write resumed>) = 18 [pid 7394] +++ exited with 0 +++ ./strace-static-x86_64: Process 7398 attached [pid 7397] perf_event_open( [pid 7396] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7395] <... bpf resumed>) = 6 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7398 [pid 7398] set_robust_list(0x55558c953660, 24 [pid 7396] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7398] <... set_robust_list resumed>) = 0 [pid 7397] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7395] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7397] perf_event_open( [pid 7396] <... bpf resumed>) = 5 [pid 7398] <... prctl resumed>) = 0 [pid 7397] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7397] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7398] setpgid(0, 0 [pid 7396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7395] <... bpf resumed>) = 7 [pid 7398] <... setpgid resumed>) = 0 [pid 7398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7397] <... bpf resumed>) = 5 [pid 7398] <... openat resumed>) = 3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7399 attached [pid 7398] write(3, "1000", 4 [pid 7397] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7396] <... bpf resumed>) = 6 [pid 7395] exit_group(0 [pid 7399] set_robust_list(0x55558c953660, 24 [pid 7398] <... write resumed>) = 4 [pid 7398] close(3executing program [pid 7399] <... set_robust_list resumed>) = 0 [pid 7398] <... close resumed>) = 0 [pid 7397] <... bpf resumed>) = 6 [pid 7396] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7395] <... exit_group resumed>) = ? [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7399 [pid 7399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7398] write(1, "executing program\n", 18) = 18 [pid 7397] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7398] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7398] perf_event_open( [pid 7399] <... prctl resumed>) = 0 [pid 7397] <... bpf resumed>) = 7 [pid 7396] <... bpf resumed>) = 7 [pid 7395] +++ exited with 0 +++ [pid 7399] setpgid(0, 0 [pid 7396] exit_group(0 [pid 7399] <... setpgid resumed>) = 0 [pid 7399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7398] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7397] exit_group(0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7399] <... openat resumed>) = 3 [pid 7396] <... exit_group resumed>) = ? [pid 7398] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7397] <... exit_group resumed>) = ? [pid 7398] <... bpf resumed>) = 5 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7399] write(3, "1000", 4) = 4 [pid 7399] close(3) = 0 [pid 7399] write(1, "executing program\n", 18) = 18 executing program [pid 7399] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7399] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7399] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7396] +++ exited with 0 +++ ./strace-static-x86_64: Process 7400 attached [pid 7398] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7399] <... bpf resumed>) = 5 [pid 7397] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7400] set_robust_list(0x55558c953660, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7397, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7400] <... set_robust_list resumed>) = 0 [pid 7399] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7398] <... bpf resumed>) = 6 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7400 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7401 attached [pid 7400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7399] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7402 attached [pid 7401] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7401 [pid 7402] set_robust_list(0x55558c953660, 24 [pid 7401] <... set_robust_list resumed>) = 0 [pid 7400] <... prctl resumed>) = 0 [pid 7398] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7402] <... set_robust_list resumed>) = 0 [pid 7401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7400] setpgid(0, 0 [pid 7399] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7400] <... setpgid resumed>) = 0 [pid 7402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7398] <... bpf resumed>) = 7 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7402 [pid 7402] <... prctl resumed>) = 0 [pid 7401] <... prctl resumed>) = 0 [pid 7399] <... bpf resumed>) = 7 [pid 7402] setpgid(0, 0 [pid 7401] setpgid(0, 0 [pid 7400] <... openat resumed>) = 3 [pid 7402] <... setpgid resumed>) = 0 [pid 7401] <... setpgid resumed>) = 0 [pid 7398] exit_group(0 [pid 7402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7400] write(3, "1000", 4 [pid 7399] exit_group(0 [pid 7400] <... write resumed>) = 4 [pid 7398] <... exit_group resumed>) = ? [pid 7402] <... openat resumed>) = 3 [pid 7401] <... openat resumed>) = 3 [pid 7400] close(3 [pid 7399] <... exit_group resumed>) = ? [pid 7402] write(3, "1000", 4 [pid 7401] write(3, "1000", 4 [pid 7400] <... close resumed>) = 0 [pid 7398] +++ exited with 0 +++ [pid 7400] write(1, "executing program\n", 18executing program [pid 7401] <... write resumed>) = 4 [pid 7402] <... write resumed>) = 4 [pid 7400] <... write resumed>) = 18 [pid 7401] close(3 [pid 7400] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7401] <... close resumed>) = 0 [pid 7400] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program executing program [pid 7402] close(3 [pid 7401] write(1, "executing program\n", 18 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7402] <... close resumed>) = 0 [pid 7401] <... write resumed>) = 18 [pid 7402] write(1, "executing program\n", 18 [pid 7400] perf_event_open( [pid 7401] perf_event_open( [pid 7402] <... write resumed>) = 18 [pid 7400] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7402] perf_event_open( [pid 5867] <... restart_syscall resumed>) = 0 [pid 7400] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7402] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7401] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7400] <... bpf resumed>) = 5 [pid 7400] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7402] perf_event_open( [pid 7401] perf_event_open( [pid 7399] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7402] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 7403 attached [pid 7402] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7401] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7400] <... bpf resumed>) = 6 [pid 7403] set_robust_list(0x55558c953660, 24 [pid 7402] <... bpf resumed>) = 5 [pid 7401] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7403 [pid 7403] <... set_robust_list resumed>) = 0 [pid 7402] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7401] <... bpf resumed>) = 5 [pid 7400] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7401] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7400] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7404 attached [pid 7403] <... prctl resumed>) = 0 [pid 7401] <... bpf resumed>) = 6 [pid 7404] set_robust_list(0x55558c953660, 24 [pid 7403] setpgid(0, 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7404 [pid 7404] <... set_robust_list resumed>) = 0 [pid 7403] <... setpgid resumed>) = 0 [pid 7404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7400] exit_group(0 [pid 7404] <... prctl resumed>) = 0 [pid 7400] <... exit_group resumed>) = ? [pid 7403] <... openat resumed>) = 3 [pid 7402] <... bpf resumed>) = 6 [pid 7401] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7404] setpgid(0, 0) = 0 [pid 7403] write(3, "1000", 4) = 4 [pid 7404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7403] close(3 [pid 7404] <... openat resumed>) = 3 [pid 7403] <... close resumed>) = 0 [pid 7404] write(3, "1000", 4executing program [pid 7403] write(1, "executing program\n", 18 [pid 7402] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7404] <... write resumed>) = 4 [pid 7403] <... write resumed>) = 18 [pid 7401] <... bpf resumed>) = 7 [pid 7400] +++ exited with 0 +++ [pid 7404] close(3 [pid 7403] perf_event_open( [pid 7402] <... bpf resumed>) = 7 [pid 7404] <... close resumed>) = 0 [pid 7403] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7401] exit_group(0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7400, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7404] write(1, "executing program\n", 18executing program [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7404] <... write resumed>) = 18 [pid 7401] <... exit_group resumed>) = ? [pid 5872] <... restart_syscall resumed>) = 0 [pid 7404] perf_event_open( [pid 7403] perf_event_open( [pid 7402] exit_group(0 [pid 7404] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7403] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7402] <... exit_group resumed>) = ? [pid 7404] perf_event_open( [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7405 attached [pid 7404] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7403] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7402] +++ exited with 0 +++ [pid 7401] +++ exited with 0 +++ [pid 7405] set_robust_list(0x55558c953660, 24 [pid 7404] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7403] <... bpf resumed>) = 5 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7401, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7404] <... bpf resumed>) = 5 [pid 7403] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7405] <... set_robust_list resumed>) = 0 [pid 7404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7405 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7403] <... bpf resumed>) = 6 [pid 7403] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7406 attached [pid 7405] <... prctl resumed>) = 0 [pid 7404] <... bpf resumed>) = 6 [pid 7405] setpgid(0, 0./strace-static-x86_64: Process 7407 attached [pid 7406] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7406 [pid 7404] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7407 [pid 7407] set_robust_list(0x55558c953660, 24 [pid 7406] <... set_robust_list resumed>) = 0 [pid 7407] <... set_robust_list resumed>) = 0 [pid 7406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7405] <... setpgid resumed>) = 0 [pid 7403] <... bpf resumed>) = 7 [pid 7407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7406] <... prctl resumed>) = 0 [pid 7405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7404] <... bpf resumed>) = 7 [pid 7407] <... prctl resumed>) = 0 [pid 7406] setpgid(0, 0 [pid 7404] exit_group(0 [pid 7403] exit_group(0 [pid 7407] setpgid(0, 0 [pid 7406] <... setpgid resumed>) = 0 [pid 7407] <... setpgid resumed>) = 0 [pid 7406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7405] <... openat resumed>) = 3 [pid 7403] <... exit_group resumed>) = ? [pid 7404] <... exit_group resumed>) = ? [pid 7407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7406] <... openat resumed>) = 3 [pid 7405] write(3, "1000", 4 [pid 7404] +++ exited with 0 +++ [pid 7407] write(3, "1000", 4 [pid 7406] write(3, "1000", 4 [pid 7405] <... write resumed>) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7404, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7407] <... write resumed>) = 4 [pid 7406] <... write resumed>) = 4 [pid 7405] close(3 [pid 7406] close(3 [pid 7405] <... close resumed>) = 0 [pid 7407] close(3 [pid 7406] <... close resumed>) = 0 [pid 7407] <... close resumed>) = 0 executing program executing program [pid 7406] write(1, "executing program\n", 18 [pid 7405] write(1, "executing program\n", 18 [pid 7407] write(1, "executing program\n", 18 [pid 5875] <... restart_syscall resumed>) = 0 executing program [pid 7406] <... write resumed>) = 18 [pid 7405] <... write resumed>) = 18 [pid 7407] <... write resumed>) = 18 [pid 7406] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7407] perf_event_open( [pid 7405] perf_event_open(./strace-static-x86_64: Process 7408 attached [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7408 [pid 7408] set_robust_list(0x55558c953660, 24) = 0 [pid 7408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7408] setpgid(0, 0) = 0 [pid 7408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7408] write(3, "1000", 4) = 4 [pid 7408] close(3) = 0 executing program [pid 7408] write(1, "executing program\n", 18) = 18 [pid 7408] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7407] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7406] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7405] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7403] +++ exited with 0 +++ [pid 7406] perf_event_open( [pid 7405] perf_event_open( [pid 7408] perf_event_open( [pid 7407] perf_event_open( [pid 7406] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7405] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7406] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7408] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7407] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7405] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7407] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7408] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7406] <... bpf resumed>) = 5 [pid 7408] <... bpf resumed>) = 5 [pid 7407] <... bpf resumed>) = 5 [pid 7406] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7405] <... bpf resumed>) = 5 [pid 7408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7407] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7406] <... bpf resumed>) = 6 [pid 7405] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7408] <... bpf resumed>) = 6 [pid 7407] <... bpf resumed>) = 6 [pid 7406] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7409 attached [pid 7408] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7407] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7406] <... bpf resumed>) = 7 [pid 7405] <... bpf resumed>) = 6 [pid 7409] set_robust_list(0x55558c953660, 24) = 0 [pid 7406] exit_group(0 [pid 7409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7408] <... bpf resumed>) = 7 [pid 7407] <... bpf resumed>) = 7 [pid 7406] <... exit_group resumed>) = ? [pid 7405] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7409 [pid 7409] <... prctl resumed>) = 0 [pid 7408] exit_group(0 [pid 7407] exit_group(0 [pid 7405] <... bpf resumed>) = 7 [pid 7408] <... exit_group resumed>) = ? [pid 7409] setpgid(0, 0 [pid 7407] <... exit_group resumed>) = ? [pid 7409] <... setpgid resumed>) = 0 [pid 7409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7408] +++ exited with 0 +++ [pid 7407] +++ exited with 0 +++ [pid 7405] exit_group(0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7408, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7409] <... openat resumed>) = 3 [pid 7405] <... exit_group resumed>) = ? [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7406] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7409] write(3, "1000", 4 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7409] <... write resumed>) = 4 [pid 7409] close(3executing program ) = 0 [pid 7409] write(1, "executing program\n", 18) = 18 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7409] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7410 attached [pid 7409] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7405] +++ exited with 0 +++ [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7410 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7410] set_robust_list(0x55558c953660, 24 [pid 7409] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7410] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7411 attached [pid 7409] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7412 attached [pid 7411] set_robust_list(0x55558c953660, 24 [pid 7410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7411 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7412 [pid 7411] <... set_robust_list resumed>) = 0 [pid 7409] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7412] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7413 attached [pid 7411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7410] <... prctl resumed>) = 0 [pid 7409] <... bpf resumed>) = 5 [pid 7413] set_robust_list(0x55558c953660, 24 [pid 7412] <... set_robust_list resumed>) = 0 [pid 7411] <... prctl resumed>) = 0 [pid 7410] setpgid(0, 0 [pid 7409] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7413 [pid 7413] <... set_robust_list resumed>) = 0 [pid 7412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7411] setpgid(0, 0 [pid 7410] <... setpgid resumed>) = 0 [pid 7413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7412] <... prctl resumed>) = 0 [pid 7410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7412] setpgid(0, 0 [pid 7411] <... setpgid resumed>) = 0 [pid 7409] <... bpf resumed>) = 6 [pid 7413] <... prctl resumed>) = 0 [pid 7413] setpgid(0, 0 [pid 7409] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7413] <... setpgid resumed>) = 0 [pid 7412] <... setpgid resumed>) = 0 [pid 7411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7410] <... openat resumed>) = 3 [pid 7413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7409] <... bpf resumed>) = 7 [pid 7412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7410] write(3, "1000", 4 [pid 7409] exit_group(0 [pid 7411] <... openat resumed>) = 3 [pid 7410] <... write resumed>) = 4 [pid 7413] <... openat resumed>) = 3 [pid 7410] close(3 [pid 7409] <... exit_group resumed>) = ? [pid 7413] write(3, "1000", 4 [pid 7412] <... openat resumed>) = 3 [pid 7411] write(3, "1000", 4 [pid 7410] <... close resumed>) = 0 executing program [pid 7413] <... write resumed>) = 4 [pid 7411] <... write resumed>) = 4 [pid 7410] write(1, "executing program\n", 18 [pid 7413] close(3 [pid 7412] write(3, "1000", 4 [pid 7411] close(3 [pid 7413] <... close resumed>) = 0 [pid 7412] <... write resumed>) = 4 [pid 7410] <... write resumed>) = 18 [pid 7413] write(1, "executing program\n", 18 [pid 7412] close(3 [pid 7411] <... close resumed>) = 0 executing program executing program executing program [pid 7413] <... write resumed>) = 18 [pid 7412] <... close resumed>) = 0 [pid 7411] write(1, "executing program\n", 18 [pid 7410] perf_event_open( [pid 7412] write(1, "executing program\n", 18 [pid 7411] <... write resumed>) = 18 [pid 7413] perf_event_open( [pid 7412] <... write resumed>) = 18 [pid 7412] perf_event_open( [pid 7411] perf_event_open( [pid 7410] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7409] +++ exited with 0 +++ [pid 7413] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7412] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7413] perf_event_open( [pid 7411] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7410] perf_event_open( [pid 7413] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7412] perf_event_open( [pid 7411] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7413] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7412] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7411] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7410] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7413] <... bpf resumed>) = 5 [pid 7410] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7413] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7412] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7410] <... bpf resumed>) = 5 [pid 7412] <... bpf resumed>) = 5 [pid 7411] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 7411] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7413] <... bpf resumed>) = 6 [pid 7412] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7411] <... bpf resumed>) = 6 [pid 7413] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7412] <... bpf resumed>) = 6 [pid 7411] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7414 attached [pid 7413] <... bpf resumed>) = 7 [pid 7411] <... bpf resumed>) = 7 [pid 7414] set_robust_list(0x55558c953660, 24) = 0 [pid 7413] exit_group(0 [pid 7412] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7411] exit_group(0 [pid 7410] <... bpf resumed>) = 6 [pid 7410] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7413] <... exit_group resumed>) = ? [pid 7412] <... bpf resumed>) = 7 [pid 7411] <... exit_group resumed>) = ? [pid 7410] <... bpf resumed>) = 7 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7414 [pid 7410] exit_group(0) = ? [pid 7414] <... prctl resumed>) = 0 [pid 7413] +++ exited with 0 +++ [pid 7412] exit_group(0 [pid 7411] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7411, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7414] setpgid(0, 0 [pid 7412] <... exit_group resumed>) = ? [pid 7414] <... setpgid resumed>) = 0 [pid 7414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7410] +++ exited with 0 +++ [pid 7414] <... openat resumed>) = 3 [pid 7414] write(3, "1000", 4) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7414] close(3 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7414] <... close resumed>) = 0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7414] write(1, "executing program\n", 18executing program ) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7415 attached [pid 7414] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7416 attached [pid 7415] set_robust_list(0x55558c953660, 24) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7415 [pid 7415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7416 ./strace-static-x86_64: Process 7417 attached [pid 7416] set_robust_list(0x55558c953660, 24 [pid 7415] <... prctl resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7417 [pid 7416] <... set_robust_list resumed>) = 0 [pid 7415] setpgid(0, 0 [pid 7417] set_robust_list(0x55558c953660, 24 [pid 7416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7417] <... set_robust_list resumed>) = 0 [pid 7416] <... prctl resumed>) = 0 [pid 7415] <... setpgid resumed>) = 0 [pid 7417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7416] setpgid(0, 0 [pid 7415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7417] <... prctl resumed>) = 0 [pid 7416] <... setpgid resumed>) = 0 [pid 7417] setpgid(0, 0 [pid 7415] <... openat resumed>) = 3 [pid 7415] write(3, "1000", 4) = 4 [pid 7417] <... setpgid resumed>) = 0 [pid 7416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7415] close(3executing program [pid 7417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7416] <... openat resumed>) = 3 [pid 7415] <... close resumed>) = 0 [pid 7417] <... openat resumed>) = 3 [pid 7415] write(1, "executing program\n", 18 [pid 7416] write(3, "1000", 4) = 4 [pid 7416] close(3 [pid 7417] write(3, "1000", 4 [pid 7415] <... write resumed>) = 18 [pid 7417] <... write resumed>) = 4 [pid 7415] perf_event_open( [pid 7417] close(3 [pid 7416] <... close resumed>) = 0 executing program [pid 7416] write(1, "executing program\n", 18 [pid 7417] <... close resumed>) = 0 [pid 7416] <... write resumed>) = 18 [pid 7417] write(1, "executing program\n", 18executing program ) = 18 [pid 7417] perf_event_open( [pid 7416] perf_event_open( [pid 7412] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7417] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7416] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7415] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7414] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7417] perf_event_open( [pid 7416] perf_event_open( [pid 5871] <... restart_syscall resumed>) = 0 [pid 7417] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7416] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7415] perf_event_open( [pid 7414] perf_event_open( [pid 7417] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7414] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7417] <... bpf resumed>) = 5 [pid 7416] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7415] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7417] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7416] <... bpf resumed>) = 5 [pid 7415] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7416] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7415] <... bpf resumed>) = 5 [pid 7414] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 7418 attached [pid 7417] <... bpf resumed>) = 6 [pid 7416] <... bpf resumed>) = 6 [pid 7415] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7416] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7418] set_robust_list(0x55558c953660, 24 [pid 7414] <... bpf resumed>) = 5 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7418 [pid 7418] <... set_robust_list resumed>) = 0 [pid 7414] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7417] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7416] <... bpf resumed>) = 7 [pid 7415] <... bpf resumed>) = 6 [pid 7418] <... prctl resumed>) = 0 [pid 7418] setpgid(0, 0 [pid 7417] <... bpf resumed>) = 7 [pid 7414] <... bpf resumed>) = 6 [pid 7418] <... setpgid resumed>) = 0 [pid 7418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7417] exit_group(0 [pid 7414] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7417] <... exit_group resumed>) = ? [pid 7416] exit_group(0 [pid 7415] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7416] <... exit_group resumed>) = ? [pid 7415] <... bpf resumed>) = 7 [pid 7414] <... bpf resumed>) = 7 [pid 7418] <... openat resumed>) = 3 [pid 7417] +++ exited with 0 +++ [pid 7416] +++ exited with 0 +++ [pid 7415] exit_group(0) = ? [pid 7414] exit_group(0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7418] write(3, "1000", 4 [pid 7414] <... exit_group resumed>) = ? [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7418] <... write resumed>) = 4 [pid 7418] close(3) = 0 executing program [pid 7418] write(1, "executing program\n", 18) = 18 [pid 7418] perf_event_open( [pid 5875] <... restart_syscall resumed>) = 0 [pid 7418] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7418] perf_event_open( [pid 5868] <... restart_syscall resumed>) = 0 [pid 7418] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7420 attached ./strace-static-x86_64: Process 7419 attached [pid 7418] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7415] +++ exited with 0 +++ [pid 7419] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7420 [pid 7419] <... set_robust_list resumed>) = 0 [pid 7420] set_robust_list(0x55558c953660, 24 [pid 7419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7418] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7420] <... set_robust_list resumed>) = 0 [pid 7414] +++ exited with 0 +++ [pid 7418] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7419 [pid 7420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7419] <... prctl resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7420] <... prctl resumed>) = 0 [pid 7419] setpgid(0, 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7420] setpgid(0, 0 [pid 7419] <... setpgid resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7420] <... setpgid resumed>) = 0 [pid 7419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7419] <... openat resumed>) = 3 [pid 7418] <... bpf resumed>) = 6 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7420] <... openat resumed>) = 3 [pid 7418] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7421 attached [pid 7420] write(3, "1000", 4 [pid 7419] write(3, "1000", 4 [pid 7421] set_robust_list(0x55558c953660, 24 [pid 7420] <... write resumed>) = 4 [pid 7419] <... write resumed>) = 4 [pid 7418] <... bpf resumed>) = 7 [pid 7421] <... set_robust_list resumed>) = 0 [pid 7420] close(3 [pid 7419] close(3 [pid 7421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7420] <... close resumed>) = 0 [pid 7419] <... close resumed>) = 0 [pid 7418] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7421 executing program executing program [pid 7420] write(1, "executing program\n", 18 [pid 7419] write(1, "executing program\n", 18 [pid 7421] <... prctl resumed>) = 0 [pid 7419] <... write resumed>) = 18 [pid 7421] setpgid(0, 0 [pid 7419] perf_event_open( [pid 7421] <... setpgid resumed>) = 0 [pid 7419] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7420] <... write resumed>) = 18 [pid 7418] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7422 attached [pid 7421] <... openat resumed>) = 3 [pid 7420] perf_event_open( [pid 7419] perf_event_open( [pid 7422] set_robust_list(0x55558c953660, 24) = 0 [pid 7421] write(3, "1000", 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7422 [pid 7422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7421] <... write resumed>) = 4 [pid 7422] <... prctl resumed>) = 0 [pid 7422] setpgid(0, 0 [pid 7421] close(3executing program [pid 7422] <... setpgid resumed>) = 0 [pid 7421] <... close resumed>) = 0 [pid 7421] write(1, "executing program\n", 18) = 18 [pid 7422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7421] perf_event_open( [pid 7422] <... openat resumed>) = 3 [pid 7422] write(3, "1000", 4) = 4 [pid 7421] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7420] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7419] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7418] +++ exited with 0 +++ [pid 7421] perf_event_open( [pid 7420] perf_event_open( [pid 7419] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7422] close(3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7421] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7420] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 7422] <... close resumed>) = 0 [pid 7419] <... bpf resumed>) = 5 [pid 7422] write(1, "executing program\n", 18) = 18 [pid 7422] perf_event_open( [pid 7421] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7420] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7419] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7422] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7421] <... bpf resumed>) = 5 [pid 7420] <... bpf resumed>) = 5 [pid 7422] perf_event_open( [pid 7421] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7420] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7419] <... bpf resumed>) = 6 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7422] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7419] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7419] exit_group(0./strace-static-x86_64: Process 7423 attached [pid 7422] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7421] <... bpf resumed>) = 6 [pid 7420] <... bpf resumed>) = 6 [pid 7423] set_robust_list(0x55558c953660, 24 [pid 7419] <... exit_group resumed>) = ? [pid 7422] <... bpf resumed>) = 5 [pid 7423] <... set_robust_list resumed>) = 0 [pid 7421] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7420] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7423 [pid 7421] <... bpf resumed>) = 7 [pid 7423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7422] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7421] exit_group(0 [pid 7423] <... prctl resumed>) = 0 [pid 7420] <... bpf resumed>) = 7 [pid 7423] setpgid(0, 0 [pid 7421] <... exit_group resumed>) = ? [pid 7423] <... setpgid resumed>) = 0 [pid 7422] <... bpf resumed>) = 6 [pid 7420] exit_group(0 [pid 7419] +++ exited with 0 +++ [pid 7423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7422] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7420] <... exit_group resumed>) = ? [pid 7422] <... bpf resumed>) = 7 [pid 7423] <... openat resumed>) = 3 [pid 7421] +++ exited with 0 +++ [pid 7420] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7420, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7423] write(3, "1000", 4 [pid 7422] exit_group(0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7423] <... write resumed>) = 4 [pid 7422] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7423] close(3./strace-static-x86_64: Process 7424 attached ) = 0 [pid 7424] set_robust_list(0x55558c953660, 24) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7423] write(1, "executing program\n", 18) = 18 [pid 7423] perf_event_open( [pid 7424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7423] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7425 attached [pid 7424] <... prctl resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7424 [pid 7424] setpgid(0, 0 [pid 7423] perf_event_open( [pid 7425] set_robust_list(0x55558c953660, 24 [pid 7424] <... setpgid resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7425 [pid 7425] <... set_robust_list resumed>) = 0 [pid 7424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7424] <... openat resumed>) = 3 [pid 7425] <... prctl resumed>) = 0 [pid 7425] setpgid(0, 0 [pid 7424] write(3, "1000", 4 [pid 7425] <... setpgid resumed>) = 0 [pid 7424] <... write resumed>) = 4 [pid 7425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7424] close(3./strace-static-x86_64: Process 7426 attached [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7426 [pid 7426] set_robust_list(0x55558c953660, 24 [pid 7425] <... openat resumed>) = 3 [pid 7424] <... close resumed>) = 0 [pid 7423] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7422] +++ exited with 0 +++ [pid 7426] <... set_robust_list resumed>) = 0 [pid 7426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7422, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7426] <... prctl resumed>) = 0 [pid 7425] write(3, "1000", 4 [pid 7424] write(1, "executing program\n", 18executing program [pid 7426] setpgid(0, 0 [pid 7425] <... write resumed>) = 4 [pid 7424] <... write resumed>) = 18 [pid 7423] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7426] <... setpgid resumed>) = 0 [pid 7425] close(3 [pid 7424] perf_event_open( [pid 7426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7425] <... close resumed>) = 0 [pid 7423] <... bpf resumed>) = 5 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 7425] write(1, "executing program\n", 18 [pid 7424] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7423] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7427 attached [pid 7426] <... openat resumed>) = 3 [pid 7425] <... write resumed>) = 18 [pid 7424] perf_event_open( [pid 7423] <... bpf resumed>) = 6 [pid 7427] set_robust_list(0x55558c953660, 24 [pid 7426] write(3, "1000", 4 [pid 7425] perf_event_open( [pid 7424] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7423] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7427 [pid 7427] <... set_robust_list resumed>) = 0 [pid 7426] <... write resumed>) = 4 [pid 7427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7426] close(3 [pid 7425] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7424] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7423] <... bpf resumed>) = 7 [pid 7427] <... prctl resumed>) = 0 [pid 7426] <... close resumed>) = 0 [pid 7425] perf_event_open( [pid 7424] <... bpf resumed>) = 5 [pid 7427] setpgid(0, 0 [pid 7426] write(1, "executing program\n", 18executing program [pid 7424] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7427] <... setpgid resumed>) = 0 [pid 7426] <... write resumed>) = 18 [pid 7425] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7423] exit_group(0 [pid 7427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7426] perf_event_open( [pid 7425] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7427] <... openat resumed>) = 3 [pid 7426] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7425] <... bpf resumed>) = 5 [pid 7424] <... bpf resumed>) = 6 [pid 7423] <... exit_group resumed>) = ? [pid 7426] perf_event_open( [pid 7425] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7427] write(3, "1000", 4 [pid 7426] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7424] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7427] <... write resumed>) = 4 [pid 7427] close(3 [pid 7426] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 executing program [pid 7425] <... bpf resumed>) = 6 [pid 7424] <... bpf resumed>) = 7 [pid 7423] +++ exited with 0 +++ [pid 7427] <... close resumed>) = 0 [pid 7427] write(1, "executing program\n", 18) = 18 [pid 7426] <... bpf resumed>) = 5 [pid 7425] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7427] perf_event_open( [pid 7424] exit_group(0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7423, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7427] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7425] <... bpf resumed>) = 7 [pid 7426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7424] <... exit_group resumed>) = ? [pid 7427] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7427] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 7425] exit_group(0 [pid 7427] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7426] <... bpf resumed>) = 6 [pid 7425] <... exit_group resumed>) = ? [pid 7424] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 7426] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7426] <... bpf resumed>) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7428 attached [pid 7427] <... bpf resumed>) = 6 [pid 7426] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7428] set_robust_list(0x55558c953660, 24 [pid 7426] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7429 attached [pid 7428] <... set_robust_list resumed>) = 0 [pid 7427] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7425] +++ exited with 0 +++ [pid 7429] set_robust_list(0x55558c953660, 24 [pid 7428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7429] <... set_robust_list resumed>) = 0 [pid 7428] <... prctl resumed>) = 0 [pid 7426] +++ exited with 0 +++ [pid 7427] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7429 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7428 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7429] <... prctl resumed>) = 0 [pid 7428] setpgid(0, 0 [pid 7427] exit_group(0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7426, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7429] setpgid(0, 0) = 0 [pid 7429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7428] <... setpgid resumed>) = 0 [pid 7427] <... exit_group resumed>) = ? [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... restart_syscall resumed>) = 0 [pid 7429] <... openat resumed>) = 3 [pid 7428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] <... restart_syscall resumed>) = 0 [pid 7429] write(3, "1000", 4) = 4 [pid 7428] <... openat resumed>) = 3 [pid 7428] write(3, "1000", 4 [pid 7429] close(3) = 0 [pid 7428] <... write resumed>) = 4 executing program [pid 7429] write(1, "executing program\n", 18 [pid 7428] close(3 [pid 7429] <... write resumed>) = 18 [pid 7428] <... close resumed>) = 0 [pid 7429] perf_event_open( executing program [pid 7428] write(1, "executing program\n", 18 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7428] <... write resumed>) = 18 [pid 7428] perf_event_open(./strace-static-x86_64: Process 7430 attached ./strace-static-x86_64: Process 7431 attached [pid 7430] set_robust_list(0x55558c953660, 24 [pid 7429] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7428] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7427] +++ exited with 0 +++ [pid 7429] perf_event_open( [pid 7428] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7431 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7427, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7431] set_robust_list(0x55558c953660, 24 [pid 7430] <... set_robust_list resumed>) = 0 [pid 7429] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7428] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7430 [pid 7431] <... set_robust_list resumed>) = 0 [pid 7430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7428] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7430] setpgid(0, 0) = 0 [pid 7428] <... bpf resumed>) = 5 [pid 7429] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7429] <... bpf resumed>) = 5 [pid 7428] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7432 attached [pid 7431] <... prctl resumed>) = 0 [pid 7430] <... openat resumed>) = 3 [pid 7429] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7432] set_robust_list(0x55558c953660, 24 [pid 7431] setpgid(0, 0 [pid 7430] write(3, "1000", 4 [pid 7428] <... bpf resumed>) = 6 [pid 7430] <... write resumed>) = 4 [pid 7432] <... set_robust_list resumed>) = 0 [pid 7430] close(3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7432 executing program [pid 7431] <... setpgid resumed>) = 0 [pid 7430] <... close resumed>) = 0 [pid 7430] write(1, "executing program\n", 18 [pid 7429] <... bpf resumed>) = 6 [pid 7430] <... write resumed>) = 18 [pid 7432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7430] perf_event_open( [pid 7429] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7428] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7432] <... prctl resumed>) = 0 [pid 7431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7430] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7432] setpgid(0, 0 [pid 7429] <... bpf resumed>) = 7 [pid 7430] perf_event_open( [pid 7432] <... setpgid resumed>) = 0 [pid 7431] <... openat resumed>) = 3 [pid 7428] <... bpf resumed>) = 7 [pid 7432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7430] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7429] exit_group(0 [pid 7430] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7429] <... exit_group resumed>) = ? [pid 7428] exit_group(0 [pid 7432] <... openat resumed>) = 3 [pid 7431] write(3, "1000", 4 [pid 7432] write(3, "1000", 4 [pid 7431] <... write resumed>) = 4 [pid 7432] <... write resumed>) = 4 [pid 7431] close(3 [pid 7430] <... bpf resumed>) = 5 [pid 7432] close(3 [pid 7431] <... close resumed>) = 0 executing program executing program [pid 7432] <... close resumed>) = 0 [pid 7431] write(1, "executing program\n", 18 [pid 7432] write(1, "executing program\n", 18 [pid 7431] <... write resumed>) = 18 [pid 7432] <... write resumed>) = 18 [pid 7431] perf_event_open( [pid 7430] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7428] <... exit_group resumed>) = ? [pid 7432] perf_event_open( [pid 7431] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7432] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7431] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7432] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7431] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7432] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7431] <... bpf resumed>) = 5 [pid 7432] <... bpf resumed>) = 5 [pid 7431] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7428] +++ exited with 0 +++ [pid 7432] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7431] <... bpf resumed>) = 6 [pid 7429] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7428, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7432] <... bpf resumed>) = 6 [pid 7432] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7431] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7433 attached [pid 7432] <... bpf resumed>) = 7 [pid 7430] <... bpf resumed>) = 6 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7431] <... bpf resumed>) = 7 [pid 7433] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7433 [pid 7433] <... set_robust_list resumed>) = 0 [pid 7433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7433] setpgid(0, 0./strace-static-x86_64: Process 7434 attached [pid 7432] exit_group(0 [pid 7431] exit_group(0 [pid 7430] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7434] set_robust_list(0x55558c953660, 24 [pid 7433] <... setpgid resumed>) = 0 [pid 7432] <... exit_group resumed>) = ? [pid 7431] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7434 [pid 7433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7430] <... bpf resumed>) = 7 [pid 7431] +++ exited with 0 +++ [pid 7434] <... set_robust_list resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7431, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7430] exit_group(0 [pid 7434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7433] <... openat resumed>) = 3 [pid 7432] +++ exited with 0 +++ [pid 7434] <... prctl resumed>) = 0 [pid 7430] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7432, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7434] setpgid(0, 0 [pid 7433] write(3, "1000", 4 [pid 7434] <... setpgid resumed>) = 0 [pid 7434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7434] <... openat resumed>) = 3 [pid 7433] <... write resumed>) = 4 [pid 7433] close(3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7435 ./strace-static-x86_64: Process 7435 attached [pid 7434] write(3, "1000", 4 [pid 7433] <... close resumed>) = 0 [pid 7435] set_robust_list(0x55558c953660, 24 [pid 7434] <... write resumed>) = 4 [pid 7435] <... set_robust_list resumed>) = 0 [pid 7434] close(3executing program [pid 7435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7434] <... close resumed>) = 0 [pid 7433] write(1, "executing program\n", 18 [pid 7435] <... prctl resumed>) = 0 executing program [pid 7434] write(1, "executing program\n", 18 [pid 7435] setpgid(0, 0 [pid 7434] <... write resumed>) = 18 [pid 7433] <... write resumed>) = 18 [pid 7433] perf_event_open( [pid 7435] <... setpgid resumed>) = 0 [pid 7434] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 7434] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7430] +++ exited with 0 +++ [pid 7435] write(3, "1000", 4) = 4 [pid 7435] close(3) = 0 [pid 7434] perf_event_open( [pid 7435] write(1, "executing program\n", 18 [pid 7434] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7435] <... write resumed>) = 18 [pid 7433] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7436 attached [pid 7435] perf_event_open( [pid 7436] set_robust_list(0x55558c953660, 24 [pid 7435] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7433] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7436] <... set_robust_list resumed>) = 0 [pid 7435] perf_event_open( [pid 7434] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7433] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7436] <... prctl resumed>) = 0 [pid 7436] setpgid(0, 0 [pid 7435] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7434] <... bpf resumed>) = 5 [pid 7433] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7436 [pid 7436] <... setpgid resumed>) = 0 [pid 7435] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7434] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7435] <... bpf resumed>) = 5 [pid 7433] <... bpf resumed>) = 5 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7436] <... openat resumed>) = 3 [pid 7435] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7433] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7436] write(3, "1000", 4 [pid 7434] <... bpf resumed>) = 6 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7434] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 ./strace-static-x86_64: Process 7437 attached [pid 7436] <... write resumed>) = 4 [pid 7435] <... bpf resumed>) = 6 [pid 7433] <... bpf resumed>) = 6 [pid 7436] close(3 [pid 7434] exit_group(0 [pid 7437] set_robust_list(0x55558c953660, 24) = 0 [pid 7436] <... close resumed>) = 0 [pid 7435] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7434] <... exit_group resumed>) = ? [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7437 [pid 7433] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7437] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 7436] write(1, "executing program\n", 18 [pid 7435] <... bpf resumed>) = 7 [pid 7437] <... prctl resumed>) = 0 [pid 7436] <... write resumed>) = 18 [pid 7433] <... bpf resumed>) = 7 [pid 7437] setpgid(0, 0 [pid 7436] perf_event_open( [pid 7435] exit_group(0 [pid 7437] <... setpgid resumed>) = 0 [pid 7436] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7434] +++ exited with 0 +++ [pid 7433] exit_group(0 [pid 7437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7436] perf_event_open( [pid 7435] <... exit_group resumed>) = ? [pid 7433] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7434, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7436] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7437] <... openat resumed>) = 3 [pid 7437] write(3, "1000", 4) = 4 [pid 7437] close(3) = 0 [pid 7437] write(1, "executing program\n", 18executing program ) = 18 [pid 7437] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7437] perf_event_open( [pid 7436] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7435] +++ exited with 0 +++ [pid 7433] +++ exited with 0 +++ [pid 5868] <... restart_syscall resumed>) = 0 [pid 7436] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7435, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7437] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7437] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7437] <... bpf resumed>) = 5 [pid 7437] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7438 attached [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7437] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7440 attached ./strace-static-x86_64: Process 7439 attached [pid 7438] set_robust_list(0x55558c953660, 24 [pid 7436] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7439 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7438 [pid 7440] set_robust_list(0x55558c953660, 24 [pid 7439] set_robust_list(0x55558c953660, 24 [pid 7438] <... set_robust_list resumed>) = 0 [pid 7437] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7436] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7440 [pid 7440] <... set_robust_list resumed>) = 0 [pid 7439] <... set_robust_list resumed>) = 0 [pid 7438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7437] <... bpf resumed>) = 7 [pid 7440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7438] <... prctl resumed>) = 0 [pid 7437] exit_group(0 [pid 7436] <... bpf resumed>) = 7 [pid 7438] setpgid(0, 0 [pid 7440] <... prctl resumed>) = 0 [pid 7439] <... prctl resumed>) = 0 [pid 7438] <... setpgid resumed>) = 0 [pid 7437] <... exit_group resumed>) = ? [pid 7440] setpgid(0, 0 [pid 7439] setpgid(0, 0 [pid 7438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7436] exit_group(0 [pid 7440] <... setpgid resumed>) = 0 [pid 7439] <... setpgid resumed>) = 0 [pid 7440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7438] <... openat resumed>) = 3 [pid 7436] <... exit_group resumed>) = ? [pid 7440] <... openat resumed>) = 3 [pid 7439] <... openat resumed>) = 3 [pid 7438] write(3, "1000", 4) = 4 [pid 7437] +++ exited with 0 +++ [pid 7440] write(3, "1000", 4 [pid 7439] write(3, "1000", 4 [pid 7440] <... write resumed>) = 4 [pid 7438] close(3 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7438] <... close resumed>) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7438] write(1, "executing program\n", 18executing program [pid 7440] close(3 [pid 7439] <... write resumed>) = 4 [pid 7438] <... write resumed>) = 18 [pid 7440] <... close resumed>) = 0 [pid 7439] close(3 [pid 7438] perf_event_open(executing program [pid 7440] write(1, "executing program\n", 18 [pid 7439] <... close resumed>) = 0 [pid 7440] <... write resumed>) = 18 executing program [pid 7439] write(1, "executing program\n", 18 [pid 7440] perf_event_open( [pid 7439] <... write resumed>) = 18 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7439] perf_event_open( [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7441 attached , child_tidptr=0x55558c953650) = 7441 [pid 7441] set_robust_list(0x55558c953660, 24) = 0 [pid 7441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7440] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7439] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7438] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7436] +++ exited with 0 +++ [pid 7440] perf_event_open( [pid 7441] <... prctl resumed>) = 0 [pid 7439] perf_event_open( [pid 7440] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7438] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7441] setpgid(0, 0 [pid 7440] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7438] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7441] <... setpgid resumed>) = 0 [pid 7440] <... bpf resumed>) = 5 [pid 7439] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7440] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7439] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7438] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7441] <... openat resumed>) = 3 [pid 7439] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 7442 attached [pid 7441] write(3, "1000", 4 [pid 7440] <... bpf resumed>) = 6 [pid 7439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7438] <... bpf resumed>) = 5 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7442 [pid 7442] set_robust_list(0x55558c953660, 24 [pid 7441] <... write resumed>) = 4 [pid 7440] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7438] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7442] <... set_robust_list resumed>) = 0 [pid 7441] close(3 [pid 7439] <... bpf resumed>) = 6 [pid 7438] <... bpf resumed>) = 6 [pid 7441] <... close resumed>) = 0 [pid 7438] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program [pid 7442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7441] write(1, "executing program\n", 18 [pid 7440] <... bpf resumed>) = 7 [pid 7439] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7442] <... prctl resumed>) = 0 [pid 7441] <... write resumed>) = 18 [pid 7442] setpgid(0, 0 [pid 7441] perf_event_open( [pid 7440] exit_group(0 [pid 7439] <... bpf resumed>) = 7 [pid 7438] <... bpf resumed>) = 7 [pid 7441] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7441] perf_event_open( [pid 7442] <... setpgid resumed>) = 0 [pid 7441] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7440] <... exit_group resumed>) = ? [pid 7439] exit_group(0 [pid 7438] exit_group(0 [pid 7442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7441] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7442] <... openat resumed>) = 3 [pid 7440] +++ exited with 0 +++ [pid 7439] <... exit_group resumed>) = ? [pid 7438] <... exit_group resumed>) = ? [pid 7442] write(3, "1000", 4 [pid 7441] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7441] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7442] <... write resumed>) = 4 [pid 7439] +++ exited with 0 +++ [pid 7438] +++ exited with 0 +++ [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7442] close(3 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7442] <... close resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7438, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7442] write(1, "executing program\n", 18executing program [pid 7441] <... bpf resumed>) = 6 [pid 7442] <... write resumed>) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7442] perf_event_open( [pid 7441] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7443 attached [pid 7442] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7444 attached ./strace-static-x86_64: Process 7445 attached [pid 7443] set_robust_list(0x55558c953660, 24 [pid 7442] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7443 [pid 7444] set_robust_list(0x55558c953660, 24 [pid 7443] <... set_robust_list resumed>) = 0 [pid 7441] <... bpf resumed>) = 7 [pid 7443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7442] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7444] <... set_robust_list resumed>) = 0 [pid 7444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7441] exit_group(0 [pid 7443] <... prctl resumed>) = 0 [pid 7445] set_robust_list(0x55558c953660, 24 [pid 7444] <... prctl resumed>) = 0 [pid 7442] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7441] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7444 [pid 7443] setpgid(0, 0 [pid 7445] <... set_robust_list resumed>) = 0 [pid 7444] setpgid(0, 0 [pid 7443] <... setpgid resumed>) = 0 [pid 7444] <... setpgid resumed>) = 0 [pid 7442] <... bpf resumed>) = 5 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7445 [pid 7445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7442] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7441] +++ exited with 0 +++ [pid 7445] <... prctl resumed>) = 0 [pid 7444] <... openat resumed>) = 3 [pid 7445] setpgid(0, 0 [pid 7444] write(3, "1000", 4 [pid 7443] <... openat resumed>) = 3 [pid 7445] <... setpgid resumed>) = 0 [pid 7443] write(3, "1000", 4 [pid 7445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7444] <... write resumed>) = 4 [pid 7443] <... write resumed>) = 4 [pid 7442] <... bpf resumed>) = 6 [pid 7443] close(3) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 7443] write(1, "executing program\n", 18 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7445] <... openat resumed>) = 3 [pid 7444] close(3 [pid 7443] <... write resumed>) = 18 [pid 7442] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7446 attached [pid 7445] write(3, "1000", 4 [pid 7444] <... close resumed>) = 0 [pid 7443] perf_event_open(executing program [pid 7442] <... bpf resumed>) = 7 [pid 7445] <... write resumed>) = 4 [pid 7444] write(1, "executing program\n", 18 [pid 7446] set_robust_list(0x55558c953660, 24 [pid 7445] close(3 [pid 7444] <... write resumed>) = 18 [pid 7443] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7442] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7446 [pid 7446] <... set_robust_list resumed>) = 0 [pid 7445] <... close resumed>) = 0 [pid 7444] perf_event_open( [pid 7446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7445] write(1, "executing program\n", 18 [pid 7443] perf_event_open( [pid 7442] <... exit_group resumed>) = ? executing program [pid 7446] <... prctl resumed>) = 0 [pid 7446] setpgid(0, 0 [pid 7445] <... write resumed>) = 18 [pid 7444] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7443] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7446] <... setpgid resumed>) = 0 [pid 7446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7445] perf_event_open( [pid 7444] perf_event_open( [pid 7445] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7443] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7445] perf_event_open( [pid 7444] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7446] <... openat resumed>) = 3 [pid 7445] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7444] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7443] <... bpf resumed>) = 5 [pid 7446] write(3, "1000", 4 [pid 7445] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7444] <... bpf resumed>) = 5 [pid 7443] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7442] +++ exited with 0 +++ [pid 7446] <... write resumed>) = 4 [pid 7445] <... bpf resumed>) = 5 [pid 7444] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7446] close(3 [pid 7445] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7444] <... bpf resumed>) = 6 [pid 7443] <... bpf resumed>) = 6 [pid 7446] <... close resumed>) = 0 [pid 7446] write(1, "executing program\n", 18executing program ) = 18 [pid 7446] perf_event_open( [pid 7445] <... bpf resumed>) = 6 [pid 7444] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7446] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7447 attached [pid 7446] perf_event_open( [pid 7444] <... bpf resumed>) = 7 [pid 7445] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7446] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7444] exit_group(0 [pid 7445] <... bpf resumed>) = 7 [pid 7447] set_robust_list(0x55558c953660, 24 [pid 7445] exit_group(0 [pid 7444] <... exit_group resumed>) = ? [pid 7443] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7447 [pid 7447] <... set_robust_list resumed>) = 0 [pid 7446] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7445] <... exit_group resumed>) = ? [pid 7447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7443] <... bpf resumed>) = 7 [pid 7446] <... bpf resumed>) = 5 [pid 7446] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7443] exit_group(0 [pid 7447] <... prctl resumed>) = 0 [pid 7443] <... exit_group resumed>) = ? [pid 7447] setpgid(0, 0 [pid 7446] <... bpf resumed>) = 6 [pid 7445] +++ exited with 0 +++ [pid 7444] +++ exited with 0 +++ [pid 7447] <... setpgid resumed>) = 0 [pid 7446] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7444, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7446] <... bpf resumed>) = 7 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7447] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7447] write(3, "1000", 4 [pid 7446] exit_group(0./strace-static-x86_64: Process 7449 attached ./strace-static-x86_64: Process 7448 attached ) = ? [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7448 [pid 7448] set_robust_list(0x55558c953660, 24) = 0 [pid 7448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7449] set_robust_list(0x55558c953660, 24 [pid 7448] <... prctl resumed>) = 0 [pid 7447] <... write resumed>) = 4 [pid 7443] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7449 [pid 7449] <... set_robust_list resumed>) = 0 [pid 7448] setpgid(0, 0 [pid 7449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7448] <... setpgid resumed>) = 0 [pid 7447] close(3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7443, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7449] setpgid(0, 0 [pid 7447] <... close resumed>) = 0 [pid 7449] <... setpgid resumed>) = 0 [pid 7449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7447] write(1, "executing program\n", 18executing program ) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7447] perf_event_open( [pid 7449] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7450 attached [pid 7448] <... openat resumed>) = 3 [pid 7450] set_robust_list(0x55558c953660, 24 [pid 7449] write(3, "1000", 4 [pid 7448] write(3, "1000", 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7450 [pid 7450] <... set_robust_list resumed>) = 0 [pid 7449] <... write resumed>) = 4 [pid 7448] <... write resumed>) = 4 [pid 7448] close(3 [pid 7449] close(3) = 0 [pid 7448] <... close resumed>) = 0 executing program executing program [pid 7450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7449] write(1, "executing program\n", 18 [pid 7448] write(1, "executing program\n", 18 [pid 7450] <... prctl resumed>) = 0 [pid 7449] <... write resumed>) = 18 [pid 7448] <... write resumed>) = 18 [pid 7450] setpgid(0, 0) = 0 [pid 7448] perf_event_open( [pid 7449] perf_event_open( [pid 7450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7450] write(3, "1000", 4) = 4 [pid 7450] close(3) = 0 executing program [pid 7450] write(1, "executing program\n", 18) = 18 [pid 7450] perf_event_open( [pid 7447] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7446] +++ exited with 0 +++ [pid 7449] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7448] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7450] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7449] perf_event_open( [pid 7448] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7446, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7450] perf_event_open( [pid 7449] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7448] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7447] perf_event_open( [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7450] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7449] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7450] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7448] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7447] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7450] <... bpf resumed>) = 5 [pid 7449] <... bpf resumed>) = 5 [pid 7450] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7448] <... bpf resumed>) = 5 [pid 7447] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7450] <... bpf resumed>) = 6 [pid 7448] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7447] <... bpf resumed>) = 5 [pid 7447] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7449] <... bpf resumed>) = 6 [pid 7447] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7451 attached [pid 7450] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7449] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7450] <... bpf resumed>) = 7 [pid 7451] set_robust_list(0x55558c953660, 24 [pid 7449] <... bpf resumed>) = 7 [pid 7448] <... bpf resumed>) = 6 [pid 7447] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7451] <... set_robust_list resumed>) = 0 [pid 7451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7450] exit_group(0 [pid 7447] <... bpf resumed>) = 7 [pid 7449] exit_group(0 [pid 7451] <... prctl resumed>) = 0 [pid 7450] <... exit_group resumed>) = ? [pid 7448] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7447] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7451 [pid 7451] setpgid(0, 0 [pid 7449] <... exit_group resumed>) = ? [pid 7451] <... setpgid resumed>) = 0 [pid 7450] +++ exited with 0 +++ [pid 7448] <... bpf resumed>) = 7 [pid 7449] +++ exited with 0 +++ [pid 7447] <... exit_group resumed>) = ? [pid 7451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7448] exit_group(0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7448] <... exit_group resumed>) = ? [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7451] <... openat resumed>) = 3 [pid 7451] write(3, "1000", 4) = 4 [pid 7451] close(3) = 0 executing program [pid 7451] write(1, "executing program\n", 18) = 18 [pid 7448] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7451] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7452 attached ./strace-static-x86_64: Process 7453 attached [pid 7452] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7452 [pid 7453] set_robust_list(0x55558c953660, 24 [pid 7452] <... set_robust_list resumed>) = 0 [pid 7453] <... set_robust_list resumed>) = 0 [pid 7452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7452] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7454 attached [pid 7453] <... prctl resumed>) = 0 [pid 7452] setpgid(0, 0 [pid 7451] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7447] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7453 [pid 7454] set_robust_list(0x55558c953660, 24 [pid 7453] setpgid(0, 0 [pid 7452] <... setpgid resumed>) = 0 [pid 7451] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7454 [pid 7454] <... set_robust_list resumed>) = 0 [pid 7453] <... setpgid resumed>) = 0 [pid 7452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... restart_syscall resumed>) = 0 [pid 7454] <... prctl resumed>) = 0 [pid 7454] setpgid(0, 0) = 0 [pid 7454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7452] <... openat resumed>) = 3 [pid 7451] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7454] <... openat resumed>) = 3 [pid 7453] <... openat resumed>) = 3 [pid 7452] write(3, "1000", 4 [pid 7451] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7452] <... write resumed>) = 4 ./strace-static-x86_64: Process 7455 attached [pid 7454] write(3, "1000", 4 [pid 7453] write(3, "1000", 4 [pid 7452] close(3 [pid 7455] set_robust_list(0x55558c953660, 24 [pid 7454] <... write resumed>) = 4 [pid 7453] <... write resumed>) = 4 [pid 7452] <... close resumed>) = 0 [pid 7451] <... bpf resumed>) = 5 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7455 [pid 7455] <... set_robust_list resumed>) = 0 [pid 7454] close(3 [pid 7453] close(3 executing program [pid 7452] write(1, "executing program\n", 18 [pid 7455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7454] <... close resumed>) = 0 [pid 7453] <... close resumed>) = 0 [pid 7452] <... write resumed>) = 18 [pid 7451] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 executing program [pid 7455] <... prctl resumed>) = 0 [pid 7454] write(1, "executing program\n", 18 [pid 7453] write(1, "executing program\n", 18 [pid 7452] perf_event_open( [pid 7455] setpgid(0, 0 [pid 7454] <... write resumed>) = 18 [pid 7455] <... setpgid resumed>) = 0 [pid 7454] perf_event_open( [pid 7455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7454] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 7454] perf_event_open( [pid 7455] <... openat resumed>) = 3 [pid 7453] <... write resumed>) = 18 [pid 7452] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7451] <... bpf resumed>) = 6 [pid 7454] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7453] perf_event_open( [pid 7452] perf_event_open( [pid 7451] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7455] write(3, "1000", 4 [pid 7454] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7453] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7452] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7455] <... write resumed>) = 4 [pid 7454] <... bpf resumed>) = 5 [pid 7453] perf_event_open( [pid 7452] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7451] <... bpf resumed>) = 7 [pid 7455] close(3 [pid 7454] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7453] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7452] <... bpf resumed>) = 5 [pid 7455] <... close resumed>) = 0 [pid 7453] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7452] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 7451] exit_group(0 [pid 7455] write(1, "executing program\n", 18 [pid 7454] <... bpf resumed>) = 6 [pid 7453] <... bpf resumed>) = 5 [pid 7455] <... write resumed>) = 18 [pid 7455] perf_event_open( [pid 7454] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7455] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7454] <... bpf resumed>) = 7 [pid 7455] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7454] exit_group(0 [pid 7453] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7452] <... bpf resumed>) = 6 [pid 7451] <... exit_group resumed>) = ? [pid 7455] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7454] <... exit_group resumed>) = ? [pid 7452] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7455] <... bpf resumed>) = 5 [pid 7452] <... bpf resumed>) = 7 [pid 7451] +++ exited with 0 +++ [pid 7455] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7453] <... bpf resumed>) = 6 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7451, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7454] +++ exited with 0 +++ [pid 7453] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7453] <... bpf resumed>) = 7 [pid 7453] exit_group(0 [pid 7455] <... bpf resumed>) = 6 [pid 7452] exit_group(0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7453] <... exit_group resumed>) = ? [pid 7452] <... exit_group resumed>) = ? [pid 7455] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7455] exit_group(0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7453] +++ exited with 0 +++ [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7456 attached [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7456] set_robust_list(0x55558c953660, 24 [pid 7455] <... exit_group resumed>) = ? [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7456] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7457 attached [pid 7456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7456 [pid 7457] set_robust_list(0x55558c953660, 24 [pid 7456] <... prctl resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7457 [pid 7457] <... set_robust_list resumed>) = 0 [pid 7456] setpgid(0, 0 [pid 7457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7456] <... setpgid resumed>) = 0 [pid 7452] +++ exited with 0 +++ [pid 7456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7452, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5868] <... restart_syscall resumed>) = 0 [pid 7457] <... prctl resumed>) = 0 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7457] setpgid(0, 0 [pid 7456] <... openat resumed>) = 3 [pid 7457] <... setpgid resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7456] write(3, "1000", 4./strace-static-x86_64: Process 7458 attached ) = 4 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7457] <... openat resumed>) = 3 [pid 7456] close(3 [pid 7457] write(3, "1000", 4) = 4 [pid 7456] <... close resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7458 [pid 7458] set_robust_list(0x55558c953660, 24 [pid 7457] close(3executing program [pid 7456] write(1, "executing program\n", 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7457] <... close resumed>) = 0 [pid 7456] <... write resumed>) = 18 [pid 7456] perf_event_open(./strace-static-x86_64: Process 7459 attached [pid 7458] <... set_robust_list resumed>) = 0 [pid 7457] write(1, "executing program\n", 18 [pid 7458] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 7459] set_robust_list(0x55558c953660, 24) = 0 [pid 7457] <... write resumed>) = 18 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7459 [pid 7458] setpgid(0, 0 [pid 7459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7457] perf_event_open( [pid 7459] <... prctl resumed>) = 0 [pid 7458] <... setpgid resumed>) = 0 [pid 7458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7459] setpgid(0, 0) = 0 [pid 7459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7458] <... openat resumed>) = 3 [pid 7458] write(3, "1000", 4 [pid 7459] <... openat resumed>) = 3 [pid 7458] <... write resumed>) = 4 [pid 7459] write(3, "1000", 4 [pid 7458] close(3 [pid 7459] <... write resumed>) = 4 [pid 7458] <... close resumed>) = 0 [pid 7459] close(3 [pid 7458] write(1, "executing program\n", 18executing program executing program [pid 7459] <... close resumed>) = 0 [pid 7458] <... write resumed>) = 18 [pid 7459] write(1, "executing program\n", 18 [pid 7458] perf_event_open( [pid 7459] <... write resumed>) = 18 [pid 7459] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7458] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7457] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7456] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7455] +++ exited with 0 +++ [pid 7458] perf_event_open( [pid 7456] perf_event_open( [pid 7459] perf_event_open( [pid 7457] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7455, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7459] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7458] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7456] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7459] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7458] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7456] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7459] <... bpf resumed>) = 5 [pid 7458] <... bpf resumed>) = 5 [pid 7457] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7459] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7458] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7456] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7457] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7456] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7460 attached [pid 7457] <... bpf resumed>) = 5 [pid 7458] <... bpf resumed>) = 6 [pid 7457] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7460 [pid 7459] <... bpf resumed>) = 6 [pid 7460] set_robust_list(0x55558c953660, 24 [pid 7458] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7460] <... set_robust_list resumed>) = 0 [pid 7458] <... bpf resumed>) = 7 [pid 7460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7460] setpgid(0, 0) = 0 [pid 7458] exit_group(0 [pid 7460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7458] <... exit_group resumed>) = ? [pid 7460] <... openat resumed>) = 3 [pid 7459] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7457] <... bpf resumed>) = 6 [pid 7456] <... bpf resumed>) = 6 [pid 7460] write(3, "1000", 4 [pid 7456] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7460] <... write resumed>) = 4 [pid 7460] close(3 [pid 7458] +++ exited with 0 +++ [pid 7460] <... close resumed>) = 0 [pid 7459] <... bpf resumed>) = 7 [pid 7460] write(1, "executing program\n", 18 [pid 7456] <... bpf resumed>) = 7 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7458, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 7460] <... write resumed>) = 18 [pid 7459] exit_group(0 [pid 7457] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7456] exit_group(0 [pid 7460] perf_event_open( [pid 7459] <... exit_group resumed>) = ? [pid 7457] <... bpf resumed>) = 7 [pid 7456] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7460] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7461 attached [pid 7461] set_robust_list(0x55558c953660, 24) = 0 [pid 7461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7461 [pid 7461] <... prctl resumed>) = 0 [pid 7461] setpgid(0, 0 [pid 7460] perf_event_open( [pid 7459] +++ exited with 0 +++ [pid 7457] exit_group(0 [pid 7456] +++ exited with 0 +++ [pid 7461] <... setpgid resumed>) = 0 [pid 7461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7460] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7461] <... openat resumed>) = 3 [pid 7457] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7459, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7461] write(3, "1000", 4 [pid 7460] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7457] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7461] <... write resumed>) = 4 [pid 7460] <... bpf resumed>) = 5 [pid 7461] close(3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7461] <... close resumed>) = 0 [pid 7460] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7462 attached executing program [pid 7461] write(1, "executing program\n", 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7461] <... write resumed>) = 18 ./strace-static-x86_64: Process 7463 attached [pid 7463] set_robust_list(0x55558c953660, 24 [pid 7461] perf_event_open( [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7462 [pid 7463] <... set_robust_list resumed>) = 0 [pid 7463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7461] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7460] <... bpf resumed>) = 6 [pid 7463] <... prctl resumed>) = 0 [pid 7462] set_robust_list(0x55558c953660, 24 [pid 7461] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7463 [pid 7462] <... set_robust_list resumed>) = 0 [pid 7463] setpgid(0, 0 [pid 7460] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7463] <... setpgid resumed>) = 0 [pid 7462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7461] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7462] <... prctl resumed>) = 0 [pid 7463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7462] setpgid(0, 0 [pid 7461] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7460] <... bpf resumed>) = 7 [pid 7463] <... openat resumed>) = 3 [pid 7462] <... setpgid resumed>) = 0 [pid 7461] <... bpf resumed>) = 5 [pid 7460] exit_group(0 [pid 7463] write(3, "1000", 4 [pid 7462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7463] <... write resumed>) = 4 [pid 7462] <... openat resumed>) = 3 [pid 7461] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7460] <... exit_group resumed>) = ? [pid 7463] close(3 [pid 7462] write(3, "1000", 4) = 4 [pid 7462] close(3) = 0 executing program executing program [pid 7463] <... close resumed>) = 0 [pid 7462] write(1, "executing program\n", 18 [pid 7463] write(1, "executing program\n", 18 [pid 7462] <... write resumed>) = 18 [pid 7463] <... write resumed>) = 18 [pid 7462] perf_event_open( [pid 7463] perf_event_open( [pid 7462] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7463] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7462] perf_event_open( [pid 7461] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7464 attached [pid 7462] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7463] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7464 [pid 7462] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7463] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7462] <... bpf resumed>) = 5 [pid 7463] <... bpf resumed>) = 5 [pid 7463] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7462] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7460] +++ exited with 0 +++ [pid 7464] set_robust_list(0x55558c953660, 24 [pid 7461] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7464] <... set_robust_list resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7464] <... prctl resumed>) = 0 [pid 7464] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7465 attached [pid 7464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7465] set_robust_list(0x55558c953660, 24 [pid 7464] <... openat resumed>) = 3 [pid 7461] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7465 [pid 7465] <... set_robust_list resumed>) = 0 [pid 7464] write(3, "1000", 4 [pid 7461] exit_group(0 [pid 7465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7464] <... write resumed>) = 4 [pid 7461] <... exit_group resumed>) = ? [pid 7465] <... prctl resumed>) = 0 [pid 7464] close(3 [pid 7463] <... bpf resumed>) = 6 [pid 7462] <... bpf resumed>) = 6 [pid 7461] +++ exited with 0 +++ [pid 7465] setpgid(0, 0 [pid 7464] <... close resumed>) = 0 executing program [pid 7464] write(1, "executing program\n", 18 [pid 7465] <... setpgid resumed>) = 0 [pid 7464] <... write resumed>) = 18 [pid 7463] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7462] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7464] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7461, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7465] <... openat resumed>) = 3 [pid 7464] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7463] <... bpf resumed>) = 7 [pid 7462] <... bpf resumed>) = 7 [pid 7464] perf_event_open( [pid 5868] <... restart_syscall resumed>) = 0 [pid 7465] write(3, "1000", 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7465] <... write resumed>) = 4 [pid 7464] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7463] exit_group(0 [pid 7462] exit_group(0./strace-static-x86_64: Process 7466 attached [pid 7465] close(3 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7466 [pid 7466] set_robust_list(0x55558c953660, 24 [pid 7465] <... close resumed>) = 0 [pid 7464] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7463] <... exit_group resumed>) = ? [pid 7462] <... exit_group resumed>) = ? [pid 7466] <... set_robust_list resumed>) = 0 executing program [pid 7465] write(1, "executing program\n", 18 [pid 7466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7465] <... write resumed>) = 18 [pid 7464] <... bpf resumed>) = 5 [pid 7465] perf_event_open( [pid 7466] <... prctl resumed>) = 0 [pid 7465] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7466] setpgid(0, 0) = 0 [pid 7466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7465] perf_event_open( [pid 7462] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7464] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7466] <... openat resumed>) = 3 [pid 7465] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7463] +++ exited with 0 +++ [pid 7466] write(3, "1000", 4 [pid 7465] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7467 attached [pid 7466] <... write resumed>) = 4 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7463, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7465] <... bpf resumed>) = 5 [pid 7464] <... bpf resumed>) = 6 [pid 7466] close(3 [pid 7465] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7467] set_robust_list(0x55558c953660, 24 [pid 7466] <... close resumed>) = 0 [pid 7464] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7467 [pid 7467] <... set_robust_list resumed>) = 0 executing program [pid 7466] write(1, "executing program\n", 18 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7466] <... write resumed>) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7468 attached [pid 7467] <... prctl resumed>) = 0 [pid 7468] set_robust_list(0x55558c953660, 24 [pid 7467] setpgid(0, 0) = 0 [pid 7467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7468] <... set_robust_list resumed>) = 0 [pid 7466] perf_event_open( [pid 7465] <... bpf resumed>) = 6 [pid 7464] <... bpf resumed>) = 7 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7468 [pid 7467] <... openat resumed>) = 3 [pid 7468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7467] write(3, "1000", 4 [pid 7465] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7464] exit_group(0 [pid 7468] setpgid(0, 0 [pid 7467] <... write resumed>) = 4 [pid 7466] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7468] <... setpgid resumed>) = 0 [pid 7467] close(3 [pid 7466] perf_event_open( [pid 7465] <... bpf resumed>) = 7 [pid 7464] <... exit_group resumed>) = ? [pid 7468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7467] <... close resumed>) = 0 [pid 7466] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 7466] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7465] exit_group(0 [pid 7467] write(1, "executing program\n", 18 [pid 7468] <... openat resumed>) = 3 [pid 7467] <... write resumed>) = 18 [pid 7466] <... bpf resumed>) = 5 [pid 7465] <... exit_group resumed>) = ? [pid 7468] write(3, "1000", 4 [pid 7467] perf_event_open( [pid 7468] <... write resumed>) = 4 [pid 7465] +++ exited with 0 +++ [pid 7466] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7468] close(3 [pid 7467] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7468] <... close resumed>) = 0 [pid 7467] perf_event_open( [pid 7464] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 7468] write(1, "executing program\n", 18 [pid 7467] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7466] <... bpf resumed>) = 6 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7468] <... write resumed>) = 18 [pid 7466] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7468] perf_event_open( [pid 5871] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7468] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7467] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7466] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7468] perf_event_open( [pid 7466] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7468] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7466] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7470 attached ./strace-static-x86_64: Process 7469 attached [pid 7468] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7467] <... bpf resumed>) = 5 [pid 7469] set_robust_list(0x55558c953660, 24 [pid 7468] <... bpf resumed>) = 5 [pid 7467] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7470 [pid 7470] set_robust_list(0x55558c953660, 24 [pid 7469] <... set_robust_list resumed>) = 0 [pid 7468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7466] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7469 [pid 7470] <... set_robust_list resumed>) = 0 [pid 7469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7467] <... bpf resumed>) = 6 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7469] <... prctl resumed>) = 0 [pid 7470] <... prctl resumed>) = 0 [pid 7467] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7470] setpgid(0, 0 [pid 7469] setpgid(0, 0 [pid 7470] <... setpgid resumed>) = 0 [pid 7470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7470] write(3, "1000", 4) = 4 [pid 7470] close(3) = 0 [pid 7467] <... bpf resumed>) = 7 [pid 7469] <... setpgid resumed>) = 0 executing program [pid 7470] write(1, "executing program\n", 18 [pid 7468] <... bpf resumed>) = 6 [pid 7467] exit_group(0 [pid 7470] <... write resumed>) = 18 [pid 7467] <... exit_group resumed>) = ? [pid 7470] perf_event_open( [pid 7468] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7470] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7468] <... bpf resumed>) = 7 [pid 7470] perf_event_open( [pid 7469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7468] exit_group(0 [pid 7467] +++ exited with 0 +++ [pid 7470] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7470] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7468] <... exit_group resumed>) = ? [pid 7470] <... bpf resumed>) = 5 [pid 7469] <... openat resumed>) = 3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7470] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7469] write(3, "1000", 4 [pid 7468] +++ exited with 0 +++ ./strace-static-x86_64: Process 7471 attached [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7471 [pid 7469] <... write resumed>) = 4 ./strace-static-x86_64: Process 7472 attached [pid 7472] set_robust_list(0x55558c953660, 24 [pid 7471] set_robust_list(0x55558c953660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7472 [pid 7472] <... set_robust_list resumed>) = 0 [pid 7471] <... set_robust_list resumed>) = 0 [pid 7471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7469] close(3 [pid 7472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7471] <... prctl resumed>) = 0 [pid 7469] <... close resumed>) = 0 [pid 7471] setpgid(0, 0executing program [pid 7469] write(1, "executing program\n", 18 [pid 7472] <... prctl resumed>) = 0 [pid 7471] <... setpgid resumed>) = 0 [pid 7470] <... bpf resumed>) = 6 [pid 7469] <... write resumed>) = 18 [pid 7472] setpgid(0, 0 [pid 7471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7470] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7472] <... setpgid resumed>) = 0 [pid 7471] <... openat resumed>) = 3 [pid 7469] perf_event_open( [pid 7472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7471] write(3, "1000", 4 [pid 7470] <... bpf resumed>) = 7 [pid 7469] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7472] <... openat resumed>) = 3 [pid 7471] <... write resumed>) = 4 [pid 7470] exit_group(0 [pid 7469] perf_event_open(./strace-static-x86_64: Process 7473 attached [pid 7471] close(3 [pid 7473] set_robust_list(0x55558c953660, 24 [pid 7472] write(3, "1000", 4 [pid 7471] <... close resumed>) = 0 [pid 7469] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7473] <... set_robust_list resumed>) = 0 [pid 7472] <... write resumed>) = 4 [pid 7471] write(1, "executing program\n", 18 [pid 7470] <... exit_group resumed>) = ? [pid 7472] close(3 [pid 7471] <... write resumed>) = 18 [pid 7469] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7473 [pid 7471] perf_event_open( [pid 7472] <... close resumed>) = 0 [pid 7469] <... bpf resumed>) = 5 [pid 7469] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7470] +++ exited with 0 +++ executing program [pid 7473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7472] write(1, "executing program\n", 18 [pid 7471] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 7469] <... bpf resumed>) = 6 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7472] <... write resumed>) = 18 [pid 7469] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7473] <... prctl resumed>) = 0 [pid 7473] setpgid(0, 0 [pid 7472] perf_event_open( [pid 7471] perf_event_open( [pid 5875] <... restart_syscall resumed>) = 0 [pid 7469] <... bpf resumed>) = 7 [pid 7473] <... setpgid resumed>) = 0 [pid 7472] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7471] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7472] perf_event_open( [pid 7473] <... openat resumed>) = 3 [pid 7472] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7471] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7473] write(3, "1000", 4 [pid 7472] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7471] <... bpf resumed>) = 5 [pid 7469] exit_group(0 [pid 7473] <... write resumed>) = 4 [pid 7469] <... exit_group resumed>) = ? [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7473] close(3 [pid 7472] <... bpf resumed>) = 5 [pid 7471] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7473] <... close resumed>) = 0 [pid 7472] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7469] +++ exited with 0 +++ ./strace-static-x86_64: Process 7474 attached executing program [pid 7473] write(1, "executing program\n", 18 [pid 7471] <... bpf resumed>) = 6 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7474] set_robust_list(0x55558c953660, 24 [pid 7473] <... write resumed>) = 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7474] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7475 attached [pid 7474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7472] <... bpf resumed>) = 6 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7474 [pid 7473] perf_event_open( [pid 7475] set_robust_list(0x55558c953660, 24) = 0 [pid 7475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7474] <... prctl resumed>) = 0 [pid 7474] setpgid(0, 0 [pid 7473] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7475] <... prctl resumed>) = 0 [pid 7474] <... setpgid resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7475 [pid 7475] setpgid(0, 0 [pid 7474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7473] perf_event_open( [pid 7471] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7472] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7475] <... setpgid resumed>) = 0 [pid 7474] <... openat resumed>) = 3 [pid 7473] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7474] write(3, "1000", 4 [pid 7473] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7475] <... openat resumed>) = 3 [pid 7474] <... write resumed>) = 4 [pid 7472] <... bpf resumed>) = 7 [pid 7471] <... bpf resumed>) = 7 [pid 7475] write(3, "1000", 4 [pid 7474] close(3 [pid 7473] <... bpf resumed>) = 5 [pid 7475] <... write resumed>) = 4 [pid 7474] <... close resumed>) = 0 [pid 7472] exit_group(0 [pid 7475] close(3 [pid 7474] write(1, "executing program\n", 18 [pid 7471] exit_group(0executing program [pid 7475] <... close resumed>) = 0 [pid 7474] <... write resumed>) = 18 [pid 7473] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7472] <... exit_group resumed>) = ? [pid 7475] write(1, "executing program\n", 18 [pid 7474] perf_event_open( [pid 7471] <... exit_group resumed>) = ? executing program [pid 7473] <... bpf resumed>) = 6 [pid 7475] <... write resumed>) = 18 [pid 7474] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7472] +++ exited with 0 +++ [pid 7471] +++ exited with 0 +++ [pid 7473] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7475] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7474] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7475] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7474] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7473] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7476 attached [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7476 [pid 7476] set_robust_list(0x55558c953660, 24 [pid 7475] perf_event_open( [pid 7474] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7473] exit_group(0 [pid 7476] <... set_robust_list resumed>) = 0 [pid 7476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7475] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7474] <... bpf resumed>) = 5 [pid 7473] <... exit_group resumed>) = ? [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7476] <... prctl resumed>) = 0 [pid 7475] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7474] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7477 attached [pid 7476] setpgid(0, 0 [pid 7475] <... bpf resumed>) = 5 [pid 7473] +++ exited with 0 +++ [pid 7477] set_robust_list(0x55558c953660, 24 [pid 7476] <... setpgid resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7477 [pid 7476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 7477] <... set_robust_list resumed>) = 0 [pid 7476] <... openat resumed>) = 3 [pid 7477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7476] write(3, "1000", 4) = 4 [pid 7476] close(3 [pid 7477] <... prctl resumed>) = 0 [pid 7476] <... close resumed>) = 0 [pid 7477] setpgid(0, 0 [pid 7476] write(1, "executing program\n", 18) = 18 [pid 7477] <... setpgid resumed>) = 0 [pid 7476] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7473, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7476] perf_event_open( [pid 7477] <... openat resumed>) = 3 [pid 7476] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7477] write(3, "1000", 4) = 4 [pid 7476] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7477] close(3 [pid 7476] <... bpf resumed>) = 5 [pid 7477] <... close resumed>) = 0 [pid 7475] <... bpf resumed>) = 6 [pid 7474] <... bpf resumed>) = 6 [pid 5872] <... restart_syscall resumed>) = 0 executing program [pid 7477] write(1, "executing program\n", 18 [pid 7476] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7475] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7474] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7477] <... write resumed>) = 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7477] perf_event_open(./strace-static-x86_64: Process 7478 attached [pid 7478] set_robust_list(0x55558c953660, 24) = 0 [pid 7478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7477] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7476] <... bpf resumed>) = 6 [pid 7475] <... bpf resumed>) = 7 [pid 7474] <... bpf resumed>) = 7 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7478 [pid 7478] setpgid(0, 0 [pid 7477] perf_event_open( [pid 7478] <... setpgid resumed>) = 0 [pid 7476] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7477] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7476] <... bpf resumed>) = 7 [pid 7475] exit_group(0 [pid 7474] exit_group(0 [pid 7478] <... openat resumed>) = 3 [pid 7477] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7478] write(3, "1000", 4 [pid 7476] exit_group(0 [pid 7475] <... exit_group resumed>) = ? [pid 7474] <... exit_group resumed>) = ? [pid 7477] <... bpf resumed>) = 5 [pid 7478] <... write resumed>) = 4 [pid 7477] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 7476] <... exit_group resumed>) = ? [pid 7478] close(3 [pid 7475] +++ exited with 0 +++ [pid 7478] <... close resumed>) = 0 [pid 7477] <... bpf resumed>) = 6 [pid 7474] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7478] write(1, "executing program\n", 18 [pid 7477] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7478] <... write resumed>) = 18 [pid 7476] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7474, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7478] perf_event_open( [pid 7477] <... bpf resumed>) = 7 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7478] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7477] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7480 attached ./strace-static-x86_64: Process 7479 attached [pid 7478] perf_event_open( [pid 7477] <... exit_group resumed>) = ? [pid 7480] set_robust_list(0x55558c953660, 24) = 0 [pid 7479] set_robust_list(0x55558c953660, 24 [pid 7480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7479] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7481 attached [pid 7480] <... prctl resumed>) = 0 [pid 7479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7478] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7477] +++ exited with 0 +++ [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7479 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7480 [pid 7481] set_robust_list(0x55558c953660, 24 [pid 7480] setpgid(0, 0 [pid 7479] <... prctl resumed>) = 0 [pid 7479] setpgid(0, 0 [pid 7481] <... set_robust_list resumed>) = 0 [pid 7478] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7480] <... setpgid resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7481 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7479] <... setpgid resumed>) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7481] <... prctl resumed>) = 0 [pid 7479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7481] setpgid(0, 0 [pid 7480] write(3, "1000", 4) = 4 [pid 7481] <... setpgid resumed>) = 0 [pid 7480] close(3 [pid 7479] <... openat resumed>) = 3 [pid 7480] <... close resumed>) = 0 [pid 7481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7480] write(1, "executing program\n", 18 [pid 7479] write(3, "1000", 4executing program ) = 4 [pid 7480] <... write resumed>) = 18 [pid 7479] close(3 [pid 7481] <... openat resumed>) = 3 [pid 7480] perf_event_open(executing program [pid 7481] write(3, "1000", 4 [pid 7480] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7479] <... close resumed>) = 0 [pid 7481] <... write resumed>) = 4 [pid 7479] write(1, "executing program\n", 18 [pid 7481] close(3 [pid 7479] <... write resumed>) = 18 [pid 7481] <... close resumed>) = 0 [pid 7479] perf_event_open( [pid 7478] <... bpf resumed>) = 5 [pid 7481] write(1, "executing program\n", 18 [pid 7480] perf_event_open( [pid 7479] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] <... restart_syscall resumed>) = 0 executing program [pid 7478] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7482 attached [pid 7481] <... write resumed>) = 18 [pid 7480] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7479] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7481] perf_event_open( [pid 7480] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7482] set_robust_list(0x55558c953660, 24 [pid 7479] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7482] <... set_robust_list resumed>) = 0 [pid 7480] <... bpf resumed>) = 5 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7482 [pid 7482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7481] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7482] <... prctl resumed>) = 0 [pid 7481] perf_event_open( [pid 7480] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7479] <... bpf resumed>) = 5 [pid 7478] <... bpf resumed>) = 6 [pid 7481] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7482] setpgid(0, 0 [pid 7478] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7482] <... setpgid resumed>) = 0 [pid 7482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7481] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7480] <... bpf resumed>) = 6 executing program [pid 7479] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7478] <... bpf resumed>) = 7 [pid 7482] <... openat resumed>) = 3 [pid 7481] <... bpf resumed>) = 5 [pid 7480] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7482] write(3, "1000", 4) = 4 [pid 7482] close(3) = 0 [pid 7482] write(1, "executing program\n", 18) = 18 [pid 7481] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7480] <... bpf resumed>) = 7 [pid 7479] <... bpf resumed>) = 6 [pid 7478] exit_group(0 [pid 7482] perf_event_open( [pid 7480] exit_group(0 [pid 7478] <... exit_group resumed>) = ? [pid 7480] <... exit_group resumed>) = ? [pid 7482] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7481] <... bpf resumed>) = 6 [pid 7479] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7482] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7481] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7479] exit_group(0 [pid 7478] +++ exited with 0 +++ [pid 7482] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7480] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7478, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7482] <... bpf resumed>) = 5 [pid 7481] <... bpf resumed>) = 7 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7479] <... exit_group resumed>) = ? [pid 7482] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7481] exit_group(0) = ? [pid 5871] <... restart_syscall resumed>) = 0 [pid 7479] +++ exited with 0 +++ [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7483 attached [pid 7482] <... bpf resumed>) = 6 [pid 7481] +++ exited with 0 +++ [pid 5872] <... restart_syscall resumed>) = 0 [pid 7483] set_robust_list(0x55558c953660, 24 [pid 7482] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7483] <... set_robust_list resumed>) = 0 [pid 7483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7482] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7483 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5875] <... restart_syscall resumed>) = 0 [pid 7483] <... prctl resumed>) = 0 [pid 7482] exit_group(0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7483] setpgid(0, 0) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7482] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7483] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7484 attached [pid 7483] write(3, "1000", 4) = 4 [pid 7483] close(3executing program ) = 0 ./strace-static-x86_64: Process 7486 attached ./strace-static-x86_64: Process 7485 attached [pid 7484] set_robust_list(0x55558c953660, 24 [pid 7483] write(1, "executing program\n", 18 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7484 [pid 7483] <... write resumed>) = 18 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7485 [pid 7486] set_robust_list(0x55558c953660, 24 [pid 7485] set_robust_list(0x55558c953660, 24 [pid 7484] <... set_robust_list resumed>) = 0 [pid 7483] perf_event_open( [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7486 [pid 7486] <... set_robust_list resumed>) = 0 [pid 7485] <... set_robust_list resumed>) = 0 [pid 7484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7484] <... prctl resumed>) = 0 [pid 7486] <... prctl resumed>) = 0 [pid 7484] setpgid(0, 0 [pid 7486] setpgid(0, 0 [pid 7485] <... prctl resumed>) = 0 [pid 7486] <... setpgid resumed>) = 0 [pid 7484] <... setpgid resumed>) = 0 [pid 7485] setpgid(0, 0) = 0 [pid 7484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7486] <... openat resumed>) = 3 [pid 7484] <... openat resumed>) = 3 [pid 7486] write(3, "1000", 4 [pid 7485] <... openat resumed>) = 3 [pid 7484] write(3, "1000", 4 [pid 7486] <... write resumed>) = 4 [pid 7484] <... write resumed>) = 4 [pid 7486] close(3) = 0 [pid 7486] write(1, "executing program\n", 18 [pid 7485] write(3, "1000", 4 [pid 7484] close(3executing program executing program [pid 7485] <... write resumed>) = 4 [pid 7484] <... close resumed>) = 0 [pid 7485] close(3 [pid 7484] write(1, "executing program\n", 18 [pid 7485] <... close resumed>) = 0 [pid 7484] <... write resumed>) = 18 [pid 7485] write(1, "executing program\n", 18executing program [pid 7486] <... write resumed>) = 18 [pid 7485] <... write resumed>) = 18 [pid 7484] perf_event_open( [pid 7485] perf_event_open( [pid 7486] perf_event_open( [pid 7482] +++ exited with 0 +++ [pid 7484] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7482, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7485] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7486] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7485] perf_event_open( [pid 7484] perf_event_open( [pid 7483] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7486] perf_event_open( [pid 7485] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7484] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7483] perf_event_open( [pid 7486] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7485] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7483] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7486] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7485] <... bpf resumed>) = 5 [pid 7484] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7486] <... bpf resumed>) = 5 [pid 7483] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7484] <... bpf resumed>) = 5 [pid 7486] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7485] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7487 attached ) = 6 [pid 7484] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7483] <... bpf resumed>) = 5 [pid 7487] set_robust_list(0x55558c953660, 24) = 0 [pid 7487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7487] setpgid(0, 0) = 0 [pid 7487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7485] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7487] <... openat resumed>) = 3 [pid 7486] <... bpf resumed>) = 6 [pid 7485] <... bpf resumed>) = 7 [pid 7484] <... bpf resumed>) = 6 [pid 7483] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7487 [pid 7487] write(3, "1000", 4 [pid 7486] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7484] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7485] exit_group(0 [pid 7487] <... write resumed>) = 4 [pid 7486] <... bpf resumed>) = 7 [pid 7485] <... exit_group resumed>) = ? [pid 7484] <... bpf resumed>) = 7 [pid 7483] <... bpf resumed>) = 6 [pid 7487] close(3 [pid 7486] exit_group(0 [pid 7484] exit_group(0 [pid 7483] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7487] <... close resumed>) = 0 [pid 7487] write(1, "executing program\n", 18executing program [pid 7486] <... exit_group resumed>) = ? [pid 7487] <... write resumed>) = 18 [pid 7486] +++ exited with 0 +++ [pid 7484] <... exit_group resumed>) = ? [pid 7483] <... bpf resumed>) = 7 [pid 7487] perf_event_open( [pid 7485] +++ exited with 0 +++ [pid 7483] exit_group(0 [pid 7487] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7483] <... exit_group resumed>) = ? [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7485, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7486, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7487] perf_event_open( [pid 7484] +++ exited with 0 +++ [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7487] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7487] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7483] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... restart_syscall resumed>) = 0 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7487] <... bpf resumed>) = 5 [pid 7487] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7488 attached [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7487] <... bpf resumed>) = 6 [pid 7488] set_robust_list(0x55558c953660, 24 [pid 7487] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7489 attached [pid 7488] <... set_robust_list resumed>) = 0 [pid 7489] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7489 [pid 7489] <... set_robust_list resumed>) = 0 [pid 7489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7490 attached [pid 7488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7487] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7488 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7490 [pid 7490] set_robust_list(0x55558c953660, 24 [pid 7488] <... prctl resumed>) = 0 [pid 7487] exit_group(0 [pid 7490] <... set_robust_list resumed>) = 0 [pid 7489] setpgid(0, 0 [pid 7490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7489] <... setpgid resumed>) = 0 [pid 7490] <... prctl resumed>) = 0 [pid 7489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7490] setpgid(0, 0) = 0 [pid 7489] <... openat resumed>) = 3 [pid 7488] setpgid(0, 0 [pid 7487] <... exit_group resumed>) = ? [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7489] write(3, "1000", 4 [pid 7488] <... setpgid resumed>) = 0 [pid 7488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7488] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 7491 attached [pid 7490] <... openat resumed>) = 3 [pid 7488] close(3 [pid 7491] set_robust_list(0x55558c953660, 24 [pid 7488] <... close resumed>) = 0 executing program [pid 7488] write(1, "executing program\n", 18 [pid 7491] <... set_robust_list resumed>) = 0 [pid 7490] write(3, "1000", 4 [pid 7489] <... write resumed>) = 4 [pid 7488] <... write resumed>) = 18 [pid 7490] <... write resumed>) = 4 [pid 7489] close(3 [pid 7491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7490] close(3 [pid 7489] <... close resumed>) = 0 [pid 7488] perf_event_open( [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7491 executing program [pid 7491] <... prctl resumed>) = 0 [pid 7490] <... close resumed>) = 0 [pid 7489] write(1, "executing program\n", 18 [pid 7491] setpgid(0, 0 [pid 7490] write(1, "executing program\n", 18executing program [pid 7489] <... write resumed>) = 18 [pid 7491] <... setpgid resumed>) = 0 [pid 7491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7490] <... write resumed>) = 18 [pid 7489] perf_event_open( [pid 7491] <... openat resumed>) = 3 [pid 7490] perf_event_open( [pid 7489] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7488] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7487] +++ exited with 0 +++ [pid 7491] write(3, "1000", 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7491] <... write resumed>) = 4 executing program [pid 7491] close(3) = 0 [pid 7491] write(1, "executing program\n", 18) = 18 [pid 7490] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7491] perf_event_open( [pid 7490] perf_event_open( [pid 7489] perf_event_open( [pid 7488] perf_event_open(./strace-static-x86_64: Process 7492 attached [pid 7491] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7490] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7489] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7488] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7491] perf_event_open( [pid 7488] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7492] set_robust_list(0x55558c953660, 24 [pid 7491] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7490] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7489] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7488] <... bpf resumed>) = 5 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7492 [pid 7492] <... set_robust_list resumed>) = 0 [pid 7491] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7490] <... bpf resumed>) = 5 [pid 7489] <... bpf resumed>) = 5 [pid 7488] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7489] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7490] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7491] <... bpf resumed>) = 5 [pid 7492] <... prctl resumed>) = 0 [pid 7489] <... bpf resumed>) = 6 [pid 7492] setpgid(0, 0) = 0 [pid 7488] <... bpf resumed>) = 6 [pid 7492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7491] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7492] <... openat resumed>) = 3 [pid 7488] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24) = 7 [pid 7490] <... bpf resumed>) = 6 [pid 7492] write(3, "1000", 4 [pid 7491] <... bpf resumed>) = 6 [pid 7489] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7488] exit_group(0 [pid 7492] <... write resumed>) = 4 [pid 7491] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7490] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7489] <... bpf resumed>) = 7 [pid 7488] <... exit_group resumed>) = ? [pid 7492] close(3 [pid 7491] <... bpf resumed>) = 7 [pid 7490] <... bpf resumed>) = 7 [pid 7489] exit_group(0 [pid 7492] <... close resumed>) = 0 [pid 7489] <... exit_group resumed>) = ? executing program [pid 7492] write(1, "executing program\n", 18 [pid 7491] exit_group(0 [pid 7490] exit_group(0 [pid 7488] +++ exited with 0 +++ [pid 7492] <... write resumed>) = 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7488, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7491] <... exit_group resumed>) = ? [pid 7492] perf_event_open( [pid 7490] <... exit_group resumed>) = ? [pid 7489] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 7492] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7492] perf_event_open( [pid 7490] +++ exited with 0 +++ [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7493 attached [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7490, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7493] set_robust_list(0x55558c953660, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7493 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7494 attached [pid 7493] <... set_robust_list resumed>) = 0 [pid 7493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7494 [pid 7493] <... prctl resumed>) = 0 [pid 7493] setpgid(0, 0./strace-static-x86_64: Process 7495 attached [pid 7494] set_robust_list(0x55558c953660, 24) = 0 [pid 7493] <... setpgid resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7495 [pid 7493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7495] set_robust_list(0x55558c953660, 24 [pid 7494] <... prctl resumed>) = 0 [pid 7495] <... set_robust_list resumed>) = 0 [pid 7493] <... openat resumed>) = 3 [pid 7495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7494] setpgid(0, 0 [pid 7493] write(3, "1000", 4 [pid 7495] <... prctl resumed>) = 0 [pid 7495] setpgid(0, 0 [pid 7494] <... setpgid resumed>) = 0 executing program [pid 7495] <... setpgid resumed>) = 0 [pid 7494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7493] <... write resumed>) = 4 [pid 7493] close(3) = 0 [pid 7493] write(1, "executing program\n", 18) = 18 [pid 7493] perf_event_open( [pid 7495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7494] <... openat resumed>) = 3 [pid 7494] write(3, "1000", 4 [pid 7495] <... openat resumed>) = 3 [pid 7494] <... write resumed>) = 4 [pid 7495] write(3, "1000", 4 [pid 7494] close(3 [pid 7495] <... write resumed>) = 4 [pid 7495] close(3 [pid 7494] <... close resumed>) = 0 [pid 7495] <... close resumed>) = 0 executing program [pid 7495] write(1, "executing program\n", 18) = 18 executing program [pid 7494] write(1, "executing program\n", 18) = 18 [pid 7495] perf_event_open( [pid 7494] perf_event_open( [pid 7493] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7491] +++ exited with 0 +++ [pid 7492] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7495] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7492] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7494] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7495] perf_event_open( [pid 7493] perf_event_open( [pid 7494] perf_event_open( [pid 7492] <... bpf resumed>) = 5 [pid 7495] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7494] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7493] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7495] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7493] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7494] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7493] <... bpf resumed>) = 5 [pid 7492] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7495] <... bpf resumed>) = 5 [pid 7494] <... bpf resumed>) = 5 [pid 7493] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7495] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7494] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7492] <... bpf resumed>) = 6 [pid 7493] <... bpf resumed>) = 6 [pid 7492] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7493] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7493] <... bpf resumed>) = 7 [pid 7492] <... bpf resumed>) = 7 [pid 7493] exit_group(0) = ? ./strace-static-x86_64: Process 7496 attached [pid 7495] <... bpf resumed>) = 6 [pid 7494] <... bpf resumed>) = 6 [pid 7492] exit_group(0 [pid 7496] set_robust_list(0x55558c953660, 24 [pid 7492] <... exit_group resumed>) = ? [pid 7496] <... set_robust_list resumed>) = 0 [pid 7495] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7494] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7493] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7496 [pid 7496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7496] setpgid(0, 0 [pid 7495] <... bpf resumed>) = 7 [pid 7496] <... setpgid resumed>) = 0 [pid 7496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7495] exit_group(0 [pid 7494] <... bpf resumed>) = 7 [pid 7495] <... exit_group resumed>) = ? [pid 7496] <... openat resumed>) = 3 [pid 7495] +++ exited with 0 +++ [pid 7494] exit_group(0 [pid 7492] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7496] write(3, "1000", 4 [pid 7494] <... exit_group resumed>) = ? [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7496] <... write resumed>) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7492, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7496] close(3./strace-static-x86_64: Process 7497 attached ) = 0 executing program [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7496] write(1, "executing program\n", 18) = 18 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7497 [pid 7496] perf_event_open(./strace-static-x86_64: Process 7498 attached [pid 7498] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7499 attached ) = 0 [pid 7497] set_robust_list(0x55558c953660, 24 [pid 7496] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7494] +++ exited with 0 +++ [pid 7499] set_robust_list(0x55558c953660, 24 [pid 7498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7497] <... set_robust_list resumed>) = 0 [pid 7496] perf_event_open( [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7498 [pid 7499] <... set_robust_list resumed>) = 0 [pid 7498] <... prctl resumed>) = 0 [pid 7497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7496] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7499 [pid 7499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7498] setpgid(0, 0 [pid 7497] <... prctl resumed>) = 0 [pid 7496] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7499] <... prctl resumed>) = 0 [pid 7498] <... setpgid resumed>) = 0 [pid 7497] setpgid(0, 0) = 0 [pid 7499] setpgid(0, 0 [pid 7497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7496] <... bpf resumed>) = 5 [pid 7499] <... setpgid resumed>) = 0 [pid 7498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7497] <... openat resumed>) = 3 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7496] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7500 attached [pid 7499] <... openat resumed>) = 3 [pid 7498] <... openat resumed>) = 3 [pid 7497] write(3, "1000", 4 [pid 7500] set_robust_list(0x55558c953660, 24 [pid 7499] write(3, "1000", 4 [pid 7498] write(3, "1000", 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7500 [pid 7500] <... set_robust_list resumed>) = 0 [pid 7499] <... write resumed>) = 4 [pid 7498] <... write resumed>) = 4 [pid 7500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7499] close(3 [pid 7498] close(3 [pid 7499] <... close resumed>) = 0 [pid 7498] <... close resumed>) = 0 [pid 7500] <... prctl resumed>) = 0 executing program executing program [pid 7499] write(1, "executing program\n", 18 [pid 7498] write(1, "executing program\n", 18 [pid 7500] setpgid(0, 0 [pid 7499] <... write resumed>) = 18 [pid 7498] <... write resumed>) = 18 [pid 7500] <... setpgid resumed>) = 0 [pid 7499] perf_event_open( [pid 7498] perf_event_open( [pid 7497] <... write resumed>) = 4 [pid 7496] <... bpf resumed>) = 6 [pid 7500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7497] close(3 [pid 7496] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7500] <... openat resumed>) = 3 [pid 7498] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7497] <... close resumed>) = 0 [pid 7496] <... bpf resumed>) = 7 [pid 7500] write(3, "1000", 4executing program [pid 7499] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7497] write(1, "executing program\n", 18 [pid 7500] <... write resumed>) = 4 [pid 7497] <... write resumed>) = 18 [pid 7500] close(3 [pid 7499] perf_event_open( [pid 7498] perf_event_open( [pid 7497] perf_event_open( [pid 7496] exit_group(0 [pid 7500] <... close resumed>) = 0 [pid 7499] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7498] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 7500] write(1, "executing program\n", 18 [pid 7497] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7500] <... write resumed>) = 18 [pid 7497] perf_event_open( [pid 7500] perf_event_open( [pid 7499] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7498] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7497] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7496] <... exit_group resumed>) = ? [pid 7500] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7499] <... bpf resumed>) = 5 [pid 7498] <... bpf resumed>) = 5 [pid 7497] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7500] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7498] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7497] <... bpf resumed>) = 5 [pid 7499] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7500] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7497] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7496] +++ exited with 0 +++ [pid 7500] <... bpf resumed>) = 5 [pid 7499] <... bpf resumed>) = 6 [pid 7498] <... bpf resumed>) = 6 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7499] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7500] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7498] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7499] <... bpf resumed>) = 7 [pid 7499] exit_group(0 [pid 7500] <... bpf resumed>) = 6 [pid 7498] <... bpf resumed>) = 7 [pid 7497] <... bpf resumed>) = 6 [pid 7500] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7499] <... exit_group resumed>) = ? [pid 7497] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7498] exit_group(0) = ? [pid 7500] <... bpf resumed>) = 7 [pid 7499] +++ exited with 0 +++ [pid 7497] <... bpf resumed>) = 7 [pid 7500] exit_group(0 [pid 7497] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7499, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7500] <... exit_group resumed>) = ? [pid 7497] <... exit_group resumed>) = ? [pid 7497] +++ exited with 0 +++ [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7501 attached [pid 7500] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7502 attached [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7500, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7501 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7502 [pid 7501] set_robust_list(0x55558c953660, 24 [pid 7502] set_robust_list(0x55558c953660, 24 [pid 7501] <... set_robust_list resumed>) = 0 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7502] <... set_robust_list resumed>) = 0 [pid 7502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7502] setpgid(0, 0) = 0 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7501] setpgid(0, 0 [pid 7502] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7503 attached [pid 7502] write(3, "1000", 4 [pid 7501] <... setpgid resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7503] set_robust_list(0x55558c953660, 24 [pid 7502] <... write resumed>) = 4 executing program [pid 7502] close(3 [pid 7501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7502] <... close resumed>) = 0 [pid 7502] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 7504 attached [pid 7503] <... set_robust_list resumed>) = 0 [pid 7502] perf_event_open( [pid 7501] <... openat resumed>) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7503 [pid 7504] set_robust_list(0x55558c953660, 24 [pid 7501] write(3, "1000", 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7504 [pid 7504] <... set_robust_list resumed>) = 0 [pid 7501] <... write resumed>) = 4 [pid 7504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7501] close(3 [pid 7504] <... prctl resumed>) = 0 [pid 7503] <... prctl resumed>) = 0 [pid 7501] <... close resumed>) = 0 [pid 7503] setpgid(0, 0) = 0 [pid 7501] write(1, "executing program\n", 18 [pid 7504] setpgid(0, 0executing program [pid 7503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7504] <... setpgid resumed>) = 0 [pid 7501] <... write resumed>) = 18 [pid 7504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7503] <... openat resumed>) = 3 [pid 7501] perf_event_open( [pid 7504] <... openat resumed>) = 3 [pid 7503] write(3, "1000", 4) = 4 [pid 7504] write(3, "1000", 4 [pid 7503] close(3 [pid 7504] <... write resumed>) = 4 [pid 7503] <... close resumed>) = 0 [pid 7504] close(3) = 0 [pid 7504] write(1, "executing program\n", 18 [pid 7503] write(1, "executing program\n", 18executing program [pid 7504] <... write resumed>) = 18 executing program [pid 7504] perf_event_open( [pid 7503] <... write resumed>) = 18 [pid 7503] perf_event_open( [pid 7498] +++ exited with 0 +++ [pid 7502] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7501] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7504] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7502] perf_event_open( [pid 7501] perf_event_open( [pid 7504] perf_event_open( [pid 7503] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7502] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7501] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7504] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7502] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7501] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7504] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7502] <... bpf resumed>) = 5 [pid 7501] <... bpf resumed>) = 5 [pid 7504] <... bpf resumed>) = 5 [pid 7503] perf_event_open( [pid 7502] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7503] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7501] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7504] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7503] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7503] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7501] <... bpf resumed>) = 6 [pid 7502] <... bpf resumed>) = 6 [pid 7504] <... bpf resumed>) = 6 [pid 7503] <... bpf resumed>) = 6 [pid 7502] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7501] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7505 attached [pid 7504] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7502] <... bpf resumed>) = 7 [pid 7501] <... bpf resumed>) = 7 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7505 [pid 7505] set_robust_list(0x55558c953660, 24 [pid 7504] <... bpf resumed>) = 7 [pid 7503] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7502] exit_group(0 [pid 7501] exit_group(0 [pid 7505] <... set_robust_list resumed>) = 0 [pid 7502] <... exit_group resumed>) = ? [pid 7505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7504] exit_group(0 [pid 7503] <... bpf resumed>) = 7 [pid 7501] <... exit_group resumed>) = ? [pid 7504] <... exit_group resumed>) = ? [pid 7503] exit_group(0 [pid 7505] <... prctl resumed>) = 0 [pid 7504] +++ exited with 0 +++ [pid 7503] <... exit_group resumed>) = ? [pid 7501] +++ exited with 0 +++ [pid 7505] setpgid(0, 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7501, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7505] <... setpgid resumed>) = 0 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7503] +++ exited with 0 +++ [pid 7505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7505] <... openat resumed>) = 3 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7505] write(3, "1000", 4) = 4 [pid 7505] close(3 [pid 5875] <... restart_syscall resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7506 attached [pid 7505] <... close resumed>) = 0 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7505] write(1, "executing program\n", 18 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7506] set_robust_list(0x55558c953660, 24executing program ./strace-static-x86_64: Process 7507 attached ) = 0 [pid 7505] <... write resumed>) = 18 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7506 [pid 7507] set_robust_list(0x55558c953660, 24 [pid 7506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7505] perf_event_open( [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7507 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7507] <... set_robust_list resumed>) = 0 [pid 7506] <... prctl resumed>) = 0 [pid 7507] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7508 attached [pid 7506] setpgid(0, 0 [pid 7507] <... prctl resumed>) = 0 [pid 7505] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7502] +++ exited with 0 +++ [pid 7506] <... setpgid resumed>) = 0 [pid 7508] set_robust_list(0x55558c953660, 24 [pid 7505] perf_event_open( [pid 7508] <... set_robust_list resumed>) = 0 [pid 7507] setpgid(0, 0 [pid 7506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7505] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7508 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7507] <... setpgid resumed>) = 0 [pid 7506] <... openat resumed>) = 3 [pid 7508] <... prctl resumed>) = 0 [pid 7505] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7508] setpgid(0, 0 [pid 7507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7506] write(3, "1000", 4 [pid 7505] <... bpf resumed>) = 5 [pid 7508] <... setpgid resumed>) = 0 [pid 7508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7507] <... openat resumed>) = 3 [pid 7506] <... write resumed>) = 4 [pid 7505] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7507] write(3, "1000", 4 [pid 7506] close(3./strace-static-x86_64: Process 7509 attached [pid 7508] <... openat resumed>) = 3 [pid 7507] <... write resumed>) = 4 [pid 7506] <... close resumed>) = 0 executing program executing program [pid 7507] close(3 [pid 7506] write(1, "executing program\n", 18 [pid 7507] <... close resumed>) = 0 [pid 7506] <... write resumed>) = 18 [pid 7507] write(1, "executing program\n", 18 [pid 7506] perf_event_open( [pid 7509] set_robust_list(0x55558c953660, 24 [pid 7508] write(3, "1000", 4 [pid 7507] <... write resumed>) = 18 [pid 7506] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7505] <... bpf resumed>) = 6 [pid 7507] perf_event_open( [pid 7509] <... set_robust_list resumed>) = 0 [pid 7506] perf_event_open( [pid 7508] <... write resumed>) = 4 [pid 7505] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7509 [pid 7509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7508] close(3 [pid 7507] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7506] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7509] <... prctl resumed>) = 0 [pid 7508] <... close resumed>) = 0 [pid 7507] perf_event_open( [pid 7506] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7505] <... bpf resumed>) = 7 executing program [pid 7509] setpgid(0, 0 [pid 7508] write(1, "executing program\n", 18 [pid 7507] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7508] <... write resumed>) = 18 [pid 7508] perf_event_open( [pid 7507] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7509] <... setpgid resumed>) = 0 [pid 7508] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7506] <... bpf resumed>) = 5 [pid 7505] exit_group(0 [pid 7508] perf_event_open( [pid 7507] <... bpf resumed>) = 5 [pid 7507] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7508] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7506] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7509] <... openat resumed>) = 3 [pid 7508] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7505] <... exit_group resumed>) = ? [pid 7507] <... bpf resumed>) = 6 [pid 7509] write(3, "1000", 4 [pid 7508] <... bpf resumed>) = 5 [pid 7506] <... bpf resumed>) = 6 [pid 7505] +++ exited with 0 +++ [pid 7509] <... write resumed>) = 4 [pid 7508] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7507] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7506] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7509] close(3executing program ) = 0 [pid 7508] <... bpf resumed>) = 6 [pid 7509] write(1, "executing program\n", 18) = 18 [pid 7508] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7509] perf_event_open( [pid 7508] <... bpf resumed>) = 7 [pid 7507] <... bpf resumed>) = 7 [pid 7506] <... bpf resumed>) = 7 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7509] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7509] perf_event_open(./strace-static-x86_64: Process 7510 attached [pid 7508] exit_group(0 [pid 7507] exit_group(0 [pid 7506] exit_group(0 [pid 7510] set_robust_list(0x55558c953660, 24 [pid 7509] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7507] <... exit_group resumed>) = ? [pid 7506] <... exit_group resumed>) = ? [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7510 [pid 7508] <... exit_group resumed>) = ? [pid 7510] <... set_robust_list resumed>) = 0 [pid 7510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7508] +++ exited with 0 +++ [pid 7510] <... prctl resumed>) = 0 [pid 7509] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7507] +++ exited with 0 +++ [pid 7506] +++ exited with 0 +++ [pid 7510] setpgid(0, 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7506, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7510] <... setpgid resumed>) = 0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7509] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7508, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7509] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7511 attached [pid 7510] <... openat resumed>) = 3 [pid 7511] set_robust_list(0x55558c953660, 24) = 0 [pid 7511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7510] write(3, "1000", 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7511 [pid 7510] <... write resumed>) = 4 [pid 7511] <... prctl resumed>) = 0 [pid 7511] setpgid(0, 0./strace-static-x86_64: Process 7513 attached ./strace-static-x86_64: Process 7512 attached [pid 7510] close(3 [pid 7509] <... bpf resumed>) = 6 [pid 7513] set_robust_list(0x55558c953660, 24 [pid 7512] set_robust_list(0x55558c953660, 24 [pid 7511] <... setpgid resumed>) = 0 [pid 7510] <... close resumed>) = 0 [pid 7509] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7513 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7512 [pid 7511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 7513] <... set_robust_list resumed>) = 0 [pid 7512] <... set_robust_list resumed>) = 0 [pid 7510] write(1, "executing program\n", 18 [pid 7509] <... bpf resumed>) = 7 [pid 7512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7510] <... write resumed>) = 18 [pid 7513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7512] <... prctl resumed>) = 0 [pid 7511] <... openat resumed>) = 3 [pid 7510] perf_event_open( [pid 7513] <... prctl resumed>) = 0 [pid 7509] exit_group(0 [pid 7512] setpgid(0, 0 [pid 7511] write(3, "1000", 4 [pid 7509] <... exit_group resumed>) = ? [pid 7513] setpgid(0, 0 [pid 7512] <... setpgid resumed>) = 0 [pid 7511] <... write resumed>) = 4 [pid 7510] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7513] <... setpgid resumed>) = 0 [pid 7512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7511] close(3 [pid 7510] perf_event_open( [pid 7513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7511] <... close resumed>) = 0 [pid 7511] write(1, "executing program\n", 18executing program ) = 18 [pid 7511] perf_event_open( [pid 7513] <... openat resumed>) = 3 executing program [pid 7512] <... openat resumed>) = 3 [pid 7513] write(3, "1000", 4) = 4 [pid 7512] write(3, "1000", 4 [pid 7513] close(3 [pid 7512] <... write resumed>) = 4 [pid 7513] <... close resumed>) = 0 [pid 7512] close(3 [pid 7513] write(1, "executing program\n", 18executing program ) = 18 [pid 7512] <... close resumed>) = 0 [pid 7512] write(1, "executing program\n", 18) = 18 [pid 7513] perf_event_open( [pid 7512] perf_event_open( [pid 7511] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7513] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7512] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7509] +++ exited with 0 +++ [pid 7510] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7511] perf_event_open( [pid 7513] perf_event_open( [pid 7512] perf_event_open( [pid 7511] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7510] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7513] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7512] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7511] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7513] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7510] <... bpf resumed>) = 5 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7511] <... bpf resumed>) = 5 [pid 7513] <... bpf resumed>) = 5 [pid 7512] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7513] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7512] <... bpf resumed>) = 5 [pid 7511] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7510] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7512] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7513] <... bpf resumed>) = 6 [pid 7512] <... bpf resumed>) = 6 [pid 7513] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7511] <... bpf resumed>) = 6 [pid 7510] <... bpf resumed>) = 6 [pid 7512] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7511] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7510] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7513] <... bpf resumed>) = 7 [pid 7512] <... bpf resumed>) = 7 [pid 7511] <... bpf resumed>) = 7 [pid 7510] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 7514 attached [pid 7513] exit_group(0 [pid 7512] exit_group(0 [pid 7511] exit_group(0 [pid 7510] exit_group(0 [pid 7514] set_robust_list(0x55558c953660, 24 [pid 7513] <... exit_group resumed>) = ? [pid 7512] <... exit_group resumed>) = ? [pid 7511] <... exit_group resumed>) = ? [pid 7514] <... set_robust_list resumed>) = 0 [pid 7510] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7514 [pid 7514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7513] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7511] +++ exited with 0 +++ [pid 7514] <... prctl resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7514] setpgid(0, 0) = 0 [pid 7512] +++ exited with 0 +++ [pid 5875] <... restart_syscall resumed>) = 0 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7514] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7515 attached [pid 7514] write(3, "1000", 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7514] <... write resumed>) = 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7515 ./strace-static-x86_64: Process 7517 attached ./strace-static-x86_64: Process 7516 attached [pid 7515] set_robust_list(0x55558c953660, 24 [pid 7514] close(3 [pid 7517] set_robust_list(0x55558c953660, 24 [pid 7516] set_robust_list(0x55558c953660, 24 [pid 7515] <... set_robust_list resumed>) = 0 [pid 7514] <... close resumed>) = 0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7517 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7516 [pid 7517] <... set_robust_list resumed>) = 0 executing program [pid 7516] <... set_robust_list resumed>) = 0 [pid 7517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7514] write(1, "executing program\n", 18 [pid 7517] <... prctl resumed>) = 0 [pid 7516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7515] <... prctl resumed>) = 0 [pid 7514] <... write resumed>) = 18 [pid 7517] setpgid(0, 0 [pid 7516] <... prctl resumed>) = 0 [pid 7517] <... setpgid resumed>) = 0 [pid 7516] setpgid(0, 0 [pid 7515] setpgid(0, 0 [pid 7514] perf_event_open( [pid 7515] <... setpgid resumed>) = 0 [pid 7517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7516] <... setpgid resumed>) = 0 [pid 7515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7515] <... openat resumed>) = 3 [pid 7517] <... openat resumed>) = 3 [pid 7516] <... openat resumed>) = 3 [pid 7514] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7510] +++ exited with 0 +++ [pid 7515] write(3, "1000", 4 [pid 7517] write(3, "1000", 4 [pid 7516] write(3, "1000", 4 [pid 7515] <... write resumed>) = 4 [pid 7514] perf_event_open( [pid 7517] <... write resumed>) = 4 [pid 7516] <... write resumed>) = 4 [pid 7515] close(3 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7516] close(3 [pid 7515] <... close resumed>) = 0 [pid 7516] <... close resumed>) = 0 [pid 7515] write(1, "executing program\n", 18 [pid 7516] write(1, "executing program\n", 18executing program executing program [pid 7515] <... write resumed>) = 18 [pid 7516] <... write resumed>) = 18 [pid 7515] perf_event_open( [pid 7514] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7516] perf_event_open( [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7517] close(3) = 0 [pid 7516] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7515] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7515] perf_event_open(executing program [pid 7517] write(1, "executing program\n", 18 [pid 7516] perf_event_open( [pid 7515] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7514] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7517] <... write resumed>) = 18 [pid 7516] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7515] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7517] perf_event_open( [pid 7516] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7515] <... bpf resumed>) = 5 [pid 7514] <... bpf resumed>) = 5 [pid 7517] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7516] <... bpf resumed>) = 5 [pid 7516] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7517] perf_event_open( [pid 7515] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7514] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7517] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7515] <... bpf resumed>) = 6 [pid 7514] <... bpf resumed>) = 6 [pid 7516] <... bpf resumed>) = 6 [pid 7514] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7516] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7517] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7515] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7514] <... bpf resumed>) = 7 [pid 7517] <... bpf resumed>) = 5 [pid 7516] <... bpf resumed>) = 7 [pid 7515] <... bpf resumed>) = 7 [pid 7517] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7516] exit_group(0 [pid 7515] exit_group(0 [pid 7514] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7518 ./strace-static-x86_64: Process 7518 attached [pid 7517] <... bpf resumed>) = 6 [pid 7516] <... exit_group resumed>) = ? [pid 7515] <... exit_group resumed>) = ? [pid 7514] <... exit_group resumed>) = ? [pid 7518] set_robust_list(0x55558c953660, 24 [pid 7514] +++ exited with 0 +++ [pid 7517] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7518] <... set_robust_list resumed>) = 0 [pid 7517] <... bpf resumed>) = 7 [pid 7516] +++ exited with 0 +++ [pid 7518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7518] setpgid(0, 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7518] <... setpgid resumed>) = 0 [pid 7517] exit_group(0 [pid 7515] +++ exited with 0 +++ ./strace-static-x86_64: Process 7519 attached [pid 7518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7519] set_robust_list(0x55558c953660, 24 [pid 7518] <... openat resumed>) = 3 [pid 7517] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7515, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7518] write(3, "1000", 4 [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7519 [pid 7518] <... write resumed>) = 4 [pid 7519] <... set_robust_list resumed>) = 0 [pid 7518] close(3) = 0 [pid 7519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... restart_syscall resumed>) = 0 [pid 7518] write(1, "executing program\n", 18executing program [pid 7519] <... prctl resumed>) = 0 [pid 7518] <... write resumed>) = 18 [pid 7519] setpgid(0, 0 [pid 7518] perf_event_open( [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7519] <... setpgid resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7520 attached [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7520 [pid 7520] set_robust_list(0x55558c953660, 24 [pid 7519] <... openat resumed>) = 3 [pid 7519] write(3, "1000", 4./strace-static-x86_64: Process 7521 attached [pid 7520] <... set_robust_list resumed>) = 0 [pid 7518] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7517] +++ exited with 0 +++ [pid 7521] set_robust_list(0x55558c953660, 24 [pid 7519] <... write resumed>) = 4 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7521 [pid 7521] <... set_robust_list resumed>) = 0 [pid 7519] close(3 [pid 7518] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7517, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7519] <... close resumed>) = 0 [pid 7521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7520] <... prctl resumed>) = 0 [pid 7518] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7520] setpgid(0, 0 [pid 7519] write(1, "executing program\n", 18executing program [pid 7521] <... prctl resumed>) = 0 [pid 7520] <... setpgid resumed>) = 0 [pid 7519] <... write resumed>) = 18 [pid 7520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7519] perf_event_open( [pid 7518] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7521] setpgid(0, 0) = 0 [pid 7521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7520] <... openat resumed>) = 3 [pid 7519] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7518] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7521] <... openat resumed>) = 3 [pid 7518] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7522 attached [pid 7521] write(3, "1000", 4 [pid 7520] write(3, "1000", 4 [pid 7519] perf_event_open( [pid 7522] set_robust_list(0x55558c953660, 24 [pid 7521] <... write resumed>) = 4 [pid 7520] <... write resumed>) = 4 [pid 7519] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7522] <... set_robust_list resumed>) = 0 [pid 7520] close(3 executing program [pid 7519] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7522 [pid 7522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7520] <... close resumed>) = 0 [pid 7519] <... bpf resumed>) = 5 [pid 7520] write(1, "executing program\n", 18) = 18 [pid 7520] perf_event_open( [pid 7522] <... prctl resumed>) = 0 [pid 7520] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7522] setpgid(0, 0 [pid 7521] close(3 [pid 7519] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7518] <... bpf resumed>) = 6 [pid 7522] <... setpgid resumed>) = 0 [pid 7521] <... close resumed>) = 0 [pid 7520] perf_event_open(executing program [pid 7521] write(1, "executing program\n", 18 [pid 7520] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7521] <... write resumed>) = 18 [pid 7520] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7518] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7522] <... openat resumed>) = 3 [pid 7521] perf_event_open( [pid 7520] <... bpf resumed>) = 5 [pid 7519] <... bpf resumed>) = 6 [pid 7521] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7519] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7522] write(3, "1000", 4 [pid 7521] perf_event_open( [pid 7522] <... write resumed>) = 4 [pid 7520] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7522] close(3 [pid 7521] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7518] <... bpf resumed>) = 7 [pid 7519] <... bpf resumed>) = 7 [pid 7519] exit_group(0) = ? [pid 7522] <... close resumed>) = 0 [pid 7521] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7520] <... bpf resumed>) = 6 [pid 7518] exit_group(0 executing program [pid 7522] write(1, "executing program\n", 18 [pid 7521] <... bpf resumed>) = 5 [pid 7522] <... write resumed>) = 18 [pid 7520] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7518] <... exit_group resumed>) = ? [pid 7522] perf_event_open( [pid 7521] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7522] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7520] <... bpf resumed>) = 7 [pid 7519] +++ exited with 0 +++ [pid 7518] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7519, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7522] perf_event_open( [pid 7520] exit_group(0) = ? [pid 7522] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7521] <... bpf resumed>) = 6 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7522] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 5 [pid 7520] +++ exited with 0 +++ [pid 7522] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7521] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7520, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 7521] <... bpf resumed>) = 7 [pid 7521] exit_group(0 [pid 7522] <... bpf resumed>) = 6 [pid 5872] <... restart_syscall resumed>) = 0 [pid 7522] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7521] <... exit_group resumed>) = ? [pid 7522] <... bpf resumed>) = 7 [pid 7522] exit_group(0) = ? [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7521] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7524 attached ./strace-static-x86_64: Process 7523 attached [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7524 [pid 7523] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7523 [pid 5871] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7525 attached [pid 7524] set_robust_list(0x55558c953660, 24 [pid 7523] <... set_robust_list resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7525] set_robust_list(0x55558c953660, 24 [pid 7524] <... set_robust_list resumed>) = 0 [pid 7523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7525 [pid 7525] <... set_robust_list resumed>) = 0 [pid 7524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7523] <... prctl resumed>) = 0 [pid 7523] setpgid(0, 0 [pid 7525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7524] <... prctl resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7523] <... setpgid resumed>) = 0 [pid 7523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7526 attached [pid 7525] <... prctl resumed>) = 0 [pid 7524] setpgid(0, 0 [pid 7523] write(3, "1000", 4) = 4 executing program [pid 7523] close(3) = 0 [pid 7523] write(1, "executing program\n", 18) = 18 [pid 7526] set_robust_list(0x55558c953660, 24 [pid 7525] setpgid(0, 0 [pid 7524] <... setpgid resumed>) = 0 [pid 7523] perf_event_open( [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7526 [pid 7525] <... setpgid resumed>) = 0 [pid 7526] <... set_robust_list resumed>) = 0 [pid 7525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7525] <... openat resumed>) = 3 [pid 7525] write(3, "1000", 4 [pid 7526] <... prctl resumed>) = 0 [pid 7524] <... openat resumed>) = 3 [pid 7526] setpgid(0, 0 [pid 7525] <... write resumed>) = 4 [pid 7524] write(3, "1000", 4 [pid 7526] <... setpgid resumed>) = 0 [pid 7525] close(3 [pid 7524] <... write resumed>) = 4 [pid 7526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7525] <... close resumed>) = 0 [pid 7524] close(3executing program [pid 7525] write(1, "executing program\n", 18 [pid 7524] <... close resumed>) = 0 [pid 7525] <... write resumed>) = 18 [pid 7524] write(1, "executing program\n", 18 executing program [pid 7525] perf_event_open( [pid 7524] <... write resumed>) = 18 [pid 7524] perf_event_open( [pid 7526] <... openat resumed>) = 3 [pid 7526] write(3, "1000", 4) = 4 [pid 7526] close(3) = 0 executing program [pid 7526] write(1, "executing program\n", 18) = 18 [pid 7526] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7525] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7524] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7523] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7522] +++ exited with 0 +++ [pid 7524] perf_event_open( [pid 7523] perf_event_open( [pid 7526] perf_event_open( [pid 7525] perf_event_open( [pid 7524] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7523] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7526] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7525] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7524] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7523] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7526] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7525] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7524] <... bpf resumed>) = 5 [pid 7526] <... bpf resumed>) = 5 [pid 7525] <... bpf resumed>) = 5 [pid 7523] <... bpf resumed>) = 5 [pid 7525] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7524] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7526] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7523] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7525] <... bpf resumed>) = 6 [pid 7525] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7526] <... bpf resumed>) = 6 [pid 7524] <... bpf resumed>) = 6 [pid 7523] <... bpf resumed>) = 6 [pid 7525] <... bpf resumed>) = 7 [pid 7526] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7523] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7526] <... bpf resumed>) = 7 [pid 7525] exit_group(0 [pid 7524] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7523] <... bpf resumed>) = 7 [pid 7523] exit_group(0 [pid 7526] exit_group(0 [pid 7525] <... exit_group resumed>) = ? [pid 7524] <... bpf resumed>) = 7 [pid 7523] <... exit_group resumed>) = ? [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7526] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7527 attached [pid 7526] +++ exited with 0 +++ [pid 7527] set_robust_list(0x55558c953660, 24) = 0 [pid 7525] +++ exited with 0 +++ [pid 7524] exit_group(0 [pid 7523] +++ exited with 0 +++ [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7527 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7526, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7525, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] <... restart_syscall resumed>) = 0 [pid 7527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7524] <... exit_group resumed>) = ? [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7523, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7527] <... prctl resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7527] setpgid(0, 0 [pid 5872] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7528 attached [pid 7527] <... setpgid resumed>) = 0 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7528] set_robust_list(0x55558c953660, 24 [pid 7527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7529 attached [pid 7528] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7528 [pid 7529] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7529 [pid 7529] <... set_robust_list resumed>) = 0 [pid 7528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7527] <... openat resumed>) = 3 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7528] <... prctl resumed>) = 0 [pid 7527] write(3, "1000", 4 [pid 7529] <... prctl resumed>) = 0 [pid 7528] setpgid(0, 0 [pid 7529] setpgid(0, 0 [pid 7528] <... setpgid resumed>) = 0 [pid 7527] <... write resumed>) = 4 [pid 7529] <... setpgid resumed>) = 0 [pid 7528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7527] close(3executing program ./strace-static-x86_64: Process 7530 attached [pid 7529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7527] <... close resumed>) = 0 [pid 7530] set_robust_list(0x55558c953660, 24 [pid 7528] <... openat resumed>) = 3 [pid 7527] write(1, "executing program\n", 18 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7530 [pid 7530] <... set_robust_list resumed>) = 0 [pid 7529] <... openat resumed>) = 3 [pid 7527] <... write resumed>) = 18 [pid 7530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7529] write(3, "1000", 4 [pid 7528] write(3, "1000", 4 [pid 7527] perf_event_open( [pid 7529] <... write resumed>) = 4 [pid 7528] <... write resumed>) = 4 [pid 7529] close(3 [pid 7528] close(3 [pid 7530] <... prctl resumed>) = 0 [pid 7529] <... close resumed>) = 0 [pid 7528] <... close resumed>) = 0 [pid 7530] setpgid(0, 0) = 0 executing program [pid 7529] write(1, "executing program\n", 18 [pid 7528] write(1, "executing program\n", 18 executing program [pid 7530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7529] <... write resumed>) = 18 [pid 7528] <... write resumed>) = 18 [pid 7529] perf_event_open( [pid 7528] perf_event_open( [pid 7530] <... openat resumed>) = 3 [pid 7530] write(3, "1000", 4) = 4 [pid 7529] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7528] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7527] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7524] +++ exited with 0 +++ [pid 7530] close(3 [pid 7527] perf_event_open( executing program [pid 7530] <... close resumed>) = 0 [pid 7529] perf_event_open( [pid 7528] perf_event_open( [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7527] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7530] write(1, "executing program\n", 18 [pid 7529] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7527] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7530] <... write resumed>) = 18 [pid 7529] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7528] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7527] <... bpf resumed>) = 5 [pid 7530] perf_event_open( [pid 7529] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7531 attached [pid 7530] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7529] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7528] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7527] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7530] perf_event_open( [pid 7528] <... bpf resumed>) = 5 [pid 7528] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7531] set_robust_list(0x55558c953660, 24 [pid 7529] <... bpf resumed>) = 6 [pid 7528] <... bpf resumed>) = 6 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7531 [pid 7531] <... set_robust_list resumed>) = 0 [pid 7530] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7529] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7528] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7527] <... bpf resumed>) = 6 [pid 7530] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7529] <... bpf resumed>) = 7 [pid 7531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7530] <... bpf resumed>) = 5 [pid 7529] exit_group(0 [pid 7528] <... bpf resumed>) = 7 [pid 7527] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7531] <... prctl resumed>) = 0 [pid 7530] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7529] <... exit_group resumed>) = ? [pid 7531] setpgid(0, 0 [pid 7528] exit_group(0 [pid 7527] <... bpf resumed>) = 7 [pid 7528] <... exit_group resumed>) = ? [pid 7527] exit_group(0) = ? [pid 7531] <... setpgid resumed>) = 0 [pid 7530] <... bpf resumed>) = 6 [pid 7529] +++ exited with 0 +++ [pid 7531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7531] <... openat resumed>) = 3 [pid 7531] write(3, "1000", 4) = 4 [pid 7531] close(3) = 0 [pid 7528] +++ exited with 0 +++ executing program [pid 7531] write(1, "executing program\n", 18 [pid 7530] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7527] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7531] <... write resumed>) = 18 [pid 7531] perf_event_open( [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... restart_syscall resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7531] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7532 attached [pid 7531] perf_event_open(./strace-static-x86_64: Process 7533 attached [pid 7532] set_robust_list(0x55558c953660, 24 [pid 7531] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7530] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7532 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7533] set_robust_list(0x55558c953660, 24 [pid 7532] <... set_robust_list resumed>) = 0 [pid 7532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7531] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7530] exit_group(0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7533 ./strace-static-x86_64: Process 7534 attached [pid 7533] <... set_robust_list resumed>) = 0 [pid 7532] <... prctl resumed>) = 0 [pid 7531] <... bpf resumed>) = 5 [pid 7530] <... exit_group resumed>) = ? [pid 7532] setpgid(0, 0 [pid 7534] set_robust_list(0x55558c953660, 24) = 0 [pid 7534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7532] <... setpgid resumed>) = 0 [pid 7531] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7530] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7534 [pid 7534] setpgid(0, 0 [pid 7533] <... prctl resumed>) = 0 [pid 7532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7534] <... setpgid resumed>) = 0 [pid 7533] setpgid(0, 0 [pid 7532] <... openat resumed>) = 3 [pid 7531] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 7535 attached [pid 7534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7533] <... setpgid resumed>) = 0 [pid 7532] write(3, "1000", 4 [pid 7531] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7535] set_robust_list(0x55558c953660, 24 [pid 7534] <... openat resumed>) = 3 [pid 7533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7532] <... write resumed>) = 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7535 [pid 7535] <... set_robust_list resumed>) = 0 [pid 7531] <... bpf resumed>) = 7 [pid 7535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7534] write(3, "1000", 4 [pid 7532] close(3 [pid 7535] <... prctl resumed>) = 0 [pid 7534] <... write resumed>) = 4 executing program executing program [pid 7533] <... openat resumed>) = 3 [pid 7532] <... close resumed>) = 0 [pid 7535] setpgid(0, 0 [pid 7534] close(3 [pid 7531] exit_group(0 [pid 7534] <... close resumed>) = 0 [pid 7532] write(1, "executing program\n", 18 [pid 7535] <... setpgid resumed>) = 0 [pid 7534] write(1, "executing program\n", 18 [pid 7533] write(3, "1000", 4 [pid 7532] <... write resumed>) = 18 [pid 7531] <... exit_group resumed>) = ? [pid 7535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7534] <... write resumed>) = 18 [pid 7533] <... write resumed>) = 4 [pid 7532] perf_event_open( [pid 7534] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 7534] perf_event_open( [pid 7535] <... openat resumed>) = 3 [pid 7533] close(3) = 0 [pid 7533] write(1, "executing program\n", 18 [pid 7535] write(3, "1000", 4 [pid 7533] <... write resumed>) = 18 [pid 7533] perf_event_open( [pid 7534] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7532] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7531] +++ exited with 0 +++ [pid 7535] <... write resumed>) = 4 [pid 7534] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7533] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 7532] perf_event_open( [pid 7535] close(3 [pid 7534] <... bpf resumed>) = 5 [pid 7532] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7535] <... close resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7531, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7535] write(1, "executing program\n", 18 [pid 7532] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7535] <... write resumed>) = 18 [pid 7534] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7533] perf_event_open( [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7535] perf_event_open( [pid 7532] <... bpf resumed>) = 5 [pid 7535] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7532] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7533] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7535] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7535] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7533] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7535] <... bpf resumed>) = 5 [pid 7533] <... bpf resumed>) = 5 [pid 7535] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7533] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7535] <... bpf resumed>) = 6 [pid 7534] <... bpf resumed>) = 6 [pid 7532] <... bpf resumed>) = 6 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7534] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7536 attached [pid 7535] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7533] <... bpf resumed>) = 6 [pid 7532] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7536 [pid 7536] set_robust_list(0x55558c953660, 24 [pid 7534] <... bpf resumed>) = 7 [pid 7536] <... set_robust_list resumed>) = 0 [pid 7535] <... bpf resumed>) = 7 [pid 7534] exit_group(0 [pid 7533] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7532] <... bpf resumed>) = 7 [pid 7536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7534] <... exit_group resumed>) = ? [pid 7533] <... bpf resumed>) = 7 [pid 7535] exit_group(0) = ? [pid 7536] setpgid(0, 0 [pid 7534] +++ exited with 0 +++ [pid 7533] exit_group(0 [pid 7532] exit_group(0 [pid 7536] <... setpgid resumed>) = 0 [pid 7533] <... exit_group resumed>) = ? [pid 7532] <... exit_group resumed>) = ? [pid 7536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7535] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7534, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7533] +++ exited with 0 +++ [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7536] <... openat resumed>) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7533, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7536] write(3, "1000", 4) = 4 [pid 7536] close(3) = 0 ./strace-static-x86_64: Process 7537 attached [pid 7536] write(1, "executing program\n", 18executing program [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7536] <... write resumed>) = 18 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7537 [pid 7537] set_robust_list(0x55558c953660, 24 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7537] <... set_robust_list resumed>) = 0 [pid 7536] perf_event_open(./strace-static-x86_64: Process 7538 attached [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7538 [pid 7538] set_robust_list(0x55558c953660, 24 [pid 7537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7538] <... set_robust_list resumed>) = 0 [pid 7537] <... prctl resumed>) = 0 [pid 7538] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7539 attached [pid 7537] setpgid(0, 0 [pid 7538] <... prctl resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7539 [pid 7538] setpgid(0, 0 [pid 7537] <... setpgid resumed>) = 0 [pid 7539] set_robust_list(0x55558c953660, 24 [pid 7538] <... setpgid resumed>) = 0 [pid 7537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7539] <... set_robust_list resumed>) = 0 [pid 7537] <... openat resumed>) = 3 [pid 7537] write(3, "1000", 4 [pid 7538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7537] <... write resumed>) = 4 [pid 7539] <... prctl resumed>) = 0 [pid 7537] close(3) = 0 [pid 7537] write(1, "executing program\n", 18executing program [pid 7539] setpgid(0, 0 [pid 7538] <... openat resumed>) = 3 [pid 7537] <... write resumed>) = 18 [pid 7537] perf_event_open( [pid 7539] <... setpgid resumed>) = 0 [pid 7538] write(3, "1000", 4 [pid 7539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7538] <... write resumed>) = 4 [pid 7539] <... openat resumed>) = 3 [pid 7538] close(3 [pid 7539] write(3, "1000", 4) = 4 [pid 7538] <... close resumed>) = 0 [pid 7539] close(3executing program [pid 7538] write(1, "executing program\n", 18 [pid 7539] <... close resumed>) = 0 executing program [pid 7538] <... write resumed>) = 18 [pid 7539] write(1, "executing program\n", 18) = 18 [pid 7539] perf_event_open( [pid 7538] perf_event_open( [pid 7532] +++ exited with 0 +++ [pid 7536] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7537] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7536] perf_event_open( [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7538] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7539] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7538] perf_event_open( [pid 7537] perf_event_open( [pid 7539] perf_event_open( [pid 7538] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7537] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7536] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7539] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7538] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7536] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7539] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7538] <... bpf resumed>) = 5 [pid 7537] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7536] <... bpf resumed>) = 5 [pid 7539] <... bpf resumed>) = 5 [pid 7538] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7537] <... bpf resumed>) = 5 [pid 7536] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7539] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7537] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7539] <... bpf resumed>) = 6 [pid 7538] <... bpf resumed>) = 6 [pid 7536] <... bpf resumed>) = 6 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7537] <... bpf resumed>) = 6 [pid 7537] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7536] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7539] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7540 attached ) = 7 [pid 7538] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7537] <... bpf resumed>) = 7 [pid 7536] <... bpf resumed>) = 7 [pid 7538] <... bpf resumed>) = 7 [pid 7540] set_robust_list(0x55558c953660, 24 [pid 7539] exit_group(0 [pid 7540] <... set_robust_list resumed>) = 0 [pid 7538] exit_group(0 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7540 [pid 7540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7539] <... exit_group resumed>) = ? [pid 7537] exit_group(0 [pid 7536] exit_group(0 [pid 7540] <... prctl resumed>) = 0 [pid 7538] <... exit_group resumed>) = ? [pid 7537] <... exit_group resumed>) = ? [pid 7540] setpgid(0, 0 [pid 7536] <... exit_group resumed>) = ? [pid 7540] <... setpgid resumed>) = 0 [pid 7539] +++ exited with 0 +++ [pid 7537] +++ exited with 0 +++ [pid 7536] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7539, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7542 attached ./strace-static-x86_64: Process 7541 attached [pid 7540] <... openat resumed>) = 3 [pid 7542] set_robust_list(0x55558c953660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7541 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7542 [pid 7542] <... set_robust_list resumed>) = 0 [pid 7540] write(3, "1000", 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7541] set_robust_list(0x55558c953660, 24 [pid 7540] <... write resumed>) = 4 [pid 7542] <... prctl resumed>) = 0 [pid 7540] close(3 [pid 7542] setpgid(0, 0) = 0 [pid 7541] <... set_robust_list resumed>) = 0 [pid 7540] <... close resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7542] <... openat resumed>) = 3 executing program [pid 7540] write(1, "executing program\n", 18 [pid 7541] <... prctl resumed>) = 0 [pid 7540] <... write resumed>) = 18 ./strace-static-x86_64: Process 7543 attached [pid 7542] write(3, "1000", 4 [pid 7543] set_robust_list(0x55558c953660, 24 [pid 7542] <... write resumed>) = 4 [pid 7543] <... set_robust_list resumed>) = 0 [pid 7542] close(3 [pid 7543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7541] setpgid(0, 0 [pid 7540] perf_event_open( [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7543 [pid 7543] <... prctl resumed>) = 0 [pid 7542] <... close resumed>) = 0 executing program [pid 7541] <... setpgid resumed>) = 0 [pid 7543] setpgid(0, 0 [pid 7542] write(1, "executing program\n", 18 [pid 7543] <... setpgid resumed>) = 0 [pid 7542] <... write resumed>) = 18 [pid 7541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7542] perf_event_open( [pid 7543] <... openat resumed>) = 3 [pid 7543] write(3, "1000", 4) = 4 [pid 7541] <... openat resumed>) = 3 [pid 7543] close(3) = 0 [pid 7541] write(3, "1000", 4) = 4 executing program [pid 7543] write(1, "executing program\n", 18) = 18 [pid 7543] perf_event_open( [pid 7541] close(3) = 0 executing program [pid 7541] write(1, "executing program\n", 18) = 18 [pid 7541] perf_event_open( [pid 7538] +++ exited with 0 +++ [pid 7540] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7538, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7541] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7540] perf_event_open( [pid 7542] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7543] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7541] perf_event_open( [pid 7543] perf_event_open( [pid 7542] perf_event_open( [pid 7540] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7541] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7543] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7542] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7541] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7540] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 7544 attached [pid 7543] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7542] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7541] <... bpf resumed>) = 5 [pid 7544] set_robust_list(0x55558c953660, 24 [pid 7543] <... bpf resumed>) = 5 [pid 7540] <... bpf resumed>) = 5 [pid 7542] <... bpf resumed>) = 5 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7544 [pid 7544] <... set_robust_list resumed>) = 0 [pid 7544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7543] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7542] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7541] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7540] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7544] <... prctl resumed>) = 0 [pid 7541] <... bpf resumed>) = 6 [pid 7544] setpgid(0, 0 [pid 7543] <... bpf resumed>) = 6 [pid 7542] <... bpf resumed>) = 6 [pid 7541] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7540] <... bpf resumed>) = 6 [pid 7544] <... setpgid resumed>) = 0 [pid 7543] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7542] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7541] <... bpf resumed>) = 7 [pid 7540] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7543] <... bpf resumed>) = 7 [pid 7542] <... bpf resumed>) = 7 [pid 7544] <... openat resumed>) = 3 [pid 7541] exit_group(0 [pid 7540] <... bpf resumed>) = 7 [pid 7544] write(3, "1000", 4 [pid 7543] exit_group(0 [pid 7542] exit_group(0 [pid 7544] <... write resumed>) = 4 [pid 7543] <... exit_group resumed>) = ? [pid 7542] <... exit_group resumed>) = ? [pid 7541] <... exit_group resumed>) = ? [pid 7540] exit_group(0 [pid 7544] close(3 [pid 7543] +++ exited with 0 +++ [pid 7541] +++ exited with 0 +++ [pid 7540] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7544] <... close resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...>executing program [pid 7544] write(1, "executing program\n", 18 [pid 7542] +++ exited with 0 +++ [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... restart_syscall resumed>) = 0 [pid 7544] <... write resumed>) = 18 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7544] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7545 attached ./strace-static-x86_64: Process 7547 attached ./strace-static-x86_64: Process 7546 attached [pid 7545] set_robust_list(0x55558c953660, 24 [pid 7544] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7540] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7545 [pid 7545] <... set_robust_list resumed>) = 0 [pid 7546] set_robust_list(0x55558c953660, 24 [pid 7545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7546 [pid 7547] set_robust_list(0x55558c953660, 24 [pid 7546] <... set_robust_list resumed>) = 0 [pid 7545] <... prctl resumed>) = 0 [pid 7544] perf_event_open( [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7547 [pid 7547] <... set_robust_list resumed>) = 0 [pid 7545] setpgid(0, 0 [pid 7547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7545] <... setpgid resumed>) = 0 [pid 7544] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7547] <... prctl resumed>) = 0 [pid 7547] setpgid(0, 0 [pid 7546] <... prctl resumed>) = 0 [pid 7547] <... setpgid resumed>) = 0 [pid 7547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7546] setpgid(0, 0 [pid 7545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7544] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7546] <... setpgid resumed>) = 0 executing program [pid 7546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7545] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7548 attached [pid 7546] <... openat resumed>) = 3 [pid 7545] write(3, "1000", 4) = 4 [pid 7545] close(3 [pid 7546] write(3, "1000", 4 [pid 7545] <... close resumed>) = 0 [pid 7546] <... write resumed>) = 4 [pid 7545] write(1, "executing program\n", 18 [pid 7546] close(3 [pid 7545] <... write resumed>) = 18 [pid 7544] <... bpf resumed>) = 5 [pid 7548] set_robust_list(0x55558c953660, 24 [pid 7547] <... openat resumed>) = 3 [pid 7546] <... close resumed>) = 0 [pid 7545] perf_event_open( [pid 7548] <... set_robust_list resumed>) = 0 [pid 7547] write(3, "1000", 4 [pid 7546] write(1, "executing program\n", 18 [pid 7545] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 7544] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7547] <... write resumed>) = 4 [pid 7546] <... write resumed>) = 18 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7548 [pid 7546] perf_event_open( [pid 7545] perf_event_open( [pid 7546] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7545] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7544] <... bpf resumed>) = 6 [pid 7545] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7548] <... prctl resumed>) = 0 [pid 7547] close(3 [pid 7548] setpgid(0, 0 [pid 7547] <... close resumed>) = 0 [pid 7546] perf_event_open( [pid 7544] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7548] <... setpgid resumed>) = 0 [pid 7547] write(1, "executing program\n", 18 [pid 7546] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7545] <... bpf resumed>) = 5 [pid 7548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 7547] <... write resumed>) = 18 [pid 7548] <... openat resumed>) = 3 [pid 7546] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7548] write(3, "1000", 4 [pid 7547] perf_event_open( [pid 7546] <... bpf resumed>) = 5 [pid 7545] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7544] <... bpf resumed>) = 7 [pid 7548] <... write resumed>) = 4 [pid 7547] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7546] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7548] close(3 [pid 7547] perf_event_open( [pid 7544] exit_group(0 [pid 7548] <... close resumed>) = 0 [pid 7546] <... bpf resumed>) = 6 [pid 7548] write(1, "executing program\n", 18executing program [pid 7547] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7548] <... write resumed>) = 18 [pid 7548] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7546] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7548] perf_event_open( [pid 7547] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7545] <... bpf resumed>) = 6 [pid 7544] <... exit_group resumed>) = ? [pid 7546] <... bpf resumed>) = 7 [pid 7545] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7548] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7547] <... bpf resumed>) = 5 [pid 7545] <... bpf resumed>) = 7 [pid 7546] exit_group(0 [pid 7545] exit_group(0 [pid 7546] <... exit_group resumed>) = ? [pid 7548] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7547] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7545] <... exit_group resumed>) = ? [pid 7548] <... bpf resumed>) = 5 [pid 7544] +++ exited with 0 +++ [pid 7547] <... bpf resumed>) = 6 [pid 7546] +++ exited with 0 +++ [pid 7545] +++ exited with 0 +++ [pid 7548] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7547] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7546, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7549 attached [pid 7548] <... bpf resumed>) = 6 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7548] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7547] <... bpf resumed>) = 7 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7550 attached ./strace-static-x86_64: Process 7551 attached [pid 7549] set_robust_list(0x55558c953660, 24 [pid 7548] <... bpf resumed>) = 7 [pid 7547] exit_group(0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7549 [pid 7551] set_robust_list(0x55558c953660, 24 [pid 7550] set_robust_list(0x55558c953660, 24 [pid 7549] <... set_robust_list resumed>) = 0 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7551 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7550 [pid 7548] exit_group(0 [pid 7551] <... set_robust_list resumed>) = 0 [pid 7550] <... set_robust_list resumed>) = 0 [pid 7549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7547] <... exit_group resumed>) = ? [pid 7550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7550] <... prctl resumed>) = 0 [pid 7549] <... prctl resumed>) = 0 [pid 7548] <... exit_group resumed>) = ? [pid 7547] +++ exited with 0 +++ [pid 7551] <... prctl resumed>) = 0 [pid 7550] setpgid(0, 0 [pid 7549] setpgid(0, 0) = 0 [pid 7551] setpgid(0, 0 [pid 7550] <... setpgid resumed>) = 0 [pid 7549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7551] <... setpgid resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7549] <... openat resumed>) = 3 [pid 7550] <... openat resumed>) = 3 [pid 7549] write(3, "1000", 4) = 4 [pid 7549] close(3 [pid 7550] write(3, "1000", 4executing program [pid 7549] <... close resumed>) = 0 [pid 7550] <... write resumed>) = 4 [pid 7549] write(1, "executing program\n", 18 [pid 7550] close(3 [pid 7549] <... write resumed>) = 18 executing program [pid 7550] <... close resumed>) = 0 [pid 7549] perf_event_open( [pid 7550] write(1, "executing program\n", 18) = 18 [pid 7549] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7550] perf_event_open( [pid 7551] <... openat resumed>) = 3 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7550] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 ./strace-static-x86_64: Process 7552 attached [pid 7551] write(3, "1000", 4 [pid 7549] perf_event_open( [pid 7552] set_robust_list(0x55558c953660, 24 [pid 7551] <... write resumed>) = 4 [pid 7552] <... set_robust_list resumed>) = 0 [pid 7551] close(3 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7552 [pid 7550] perf_event_open( [pid 7552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7551] <... close resumed>) = 0 [pid 7552] <... prctl resumed>) = 0 executing program [pid 7551] write(1, "executing program\n", 18 [pid 7552] setpgid(0, 0 [pid 7551] <... write resumed>) = 18 [pid 7552] <... setpgid resumed>) = 0 [pid 7551] perf_event_open( [pid 7552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7552] write(3, "1000", 4) = 4 [pid 7552] close(3) = 0 executing program [pid 7552] write(1, "executing program\n", 18 [pid 7550] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7549] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7548] +++ exited with 0 +++ [pid 7552] <... write resumed>) = 18 [pid 7551] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7551] perf_event_open( [pid 7549] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7552] perf_event_open( [pid 7550] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7552] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7551] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7549] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7551] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7550] <... bpf resumed>) = 5 [pid 7549] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7553 attached [pid 7552] perf_event_open( [pid 7551] <... bpf resumed>) = 5 [pid 7550] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7553] set_robust_list(0x55558c953660, 24 [pid 7552] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7553 [pid 7553] <... set_robust_list resumed>) = 0 [pid 7552] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7552] <... bpf resumed>) = 5 [pid 7551] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7553] <... prctl resumed>) = 0 [pid 7552] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7553] setpgid(0, 0) = 0 [pid 7551] <... bpf resumed>) = 6 [pid 7549] <... bpf resumed>) = 6 [pid 7553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7550] <... bpf resumed>) = 6 [pid 7553] write(3, "1000", 4 [pid 7552] <... bpf resumed>) = 6 [pid 7551] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7549] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7553] <... write resumed>) = 4 [pid 7553] close(3 [pid 7552] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7553] <... close resumed>) = 0 [pid 7552] <... bpf resumed>) = 7 [pid 7551] <... bpf resumed>) = 7 executing program [pid 7550] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7549] <... bpf resumed>) = 7 [pid 7553] write(1, "executing program\n", 18) = 18 [pid 7553] perf_event_open( [pid 7552] exit_group(0 [pid 7550] <... bpf resumed>) = 7 [pid 7549] exit_group(0 [pid 7553] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7552] <... exit_group resumed>) = ? [pid 7551] exit_group(0 [pid 7550] exit_group(0 [pid 7549] <... exit_group resumed>) = ? [pid 7551] <... exit_group resumed>) = ? [pid 7553] perf_event_open( [pid 7552] +++ exited with 0 +++ [pid 7550] <... exit_group resumed>) = ? [pid 7549] +++ exited with 0 +++ [pid 7553] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7551] +++ exited with 0 +++ [pid 7553] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7549, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7553] <... bpf resumed>) = 5 [pid 7550] +++ exited with 0 +++ [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7551, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7553] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7554 attached [pid 7554] set_robust_list(0x55558c953660, 24 [pid 7553] <... bpf resumed>) = 6 [pid 5872] <... restart_syscall resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7554 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7554] <... set_robust_list resumed>) = 0 [pid 7553] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7554] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7555 attached ) = 0 [pid 7553] <... bpf resumed>) = 7 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7554] setpgid(0, 0) = 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7555 [pid 7554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7553] exit_group(0) = ? ./strace-static-x86_64: Process 7556 attached [pid 7555] set_robust_list(0x55558c953660, 24 [pid 7554] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7556] set_robust_list(0x55558c953660, 24./strace-static-x86_64: Process 7557 attached ) = 0 [pid 7555] <... set_robust_list resumed>) = 0 [pid 7554] write(3, "1000", 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7556 [pid 7557] set_robust_list(0x55558c953660, 24 [pid 7556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7554] <... write resumed>) = 4 [pid 7556] <... prctl resumed>) = 0 [pid 7555] <... prctl resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7557 [pid 7557] <... set_robust_list resumed>) = 0 [pid 7556] setpgid(0, 0 [pid 7555] setpgid(0, 0 [pid 7554] close(3 [pid 7557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7556] <... setpgid resumed>) = 0 [pid 7555] <... setpgid resumed>) = 0 [pid 7554] <... close resumed>) = 0 [pid 7556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7557] <... prctl resumed>) = 0 [pid 7555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7554] write(1, "executing program\n", 18 [pid 7557] setpgid(0, 0 [pid 7556] <... openat resumed>) = 3 executing program [pid 7557] <... setpgid resumed>) = 0 [pid 7556] write(3, "1000", 4 [pid 7555] <... openat resumed>) = 3 [pid 7554] <... write resumed>) = 18 [pid 7557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7556] <... write resumed>) = 4 [pid 7555] write(3, "1000", 4 [pid 7554] perf_event_open( [pid 7556] close(3 [pid 7555] <... write resumed>) = 4 [pid 7555] close(3) = 0 [pid 7555] write(1, "executing program\n", 18 [pid 7557] <... openat resumed>) = 3 [pid 7556] <... close resumed>) = 0 [pid 7554] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7553] +++ exited with 0 +++ executing program [pid 7556] write(1, "executing program\n", 18 [pid 7554] perf_event_open( [pid 7556] <... write resumed>) = 18 executing program [pid 7557] write(3, "1000", 4 [pid 7556] perf_event_open( [pid 7555] <... write resumed>) = 18 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7557] <... write resumed>) = 4 [pid 7555] perf_event_open( [pid 7554] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7557] close(3 executing program [pid 7556] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7555] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7554] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7557] <... close resumed>) = 0 [pid 7555] perf_event_open( [pid 7557] write(1, "executing program\n", 18) = 18 [pid 7556] perf_event_open( [pid 7555] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7554] <... bpf resumed>) = 5 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7557] perf_event_open( [pid 7556] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7556] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7555] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7554] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7558 attached [pid 7557] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7558] set_robust_list(0x55558c953660, 24) = 0 [pid 7557] perf_event_open( [pid 7556] <... bpf resumed>) = 5 [pid 7555] <... bpf resumed>) = 5 [pid 7554] <... bpf resumed>) = 6 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7558 [pid 7558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7554] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7558] <... prctl resumed>) = 0 [pid 7556] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7555] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7554] <... bpf resumed>) = 7 [pid 7558] setpgid(0, 0 [pid 7557] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7555] <... bpf resumed>) = 6 [pid 7558] <... setpgid resumed>) = 0 [pid 7557] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7554] exit_group(0 [pid 7558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7557] <... bpf resumed>) = 5 [pid 7555] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7558] <... openat resumed>) = 3 [pid 7557] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7556] <... bpf resumed>) = 6 [pid 7554] <... exit_group resumed>) = ? [pid 7558] write(3, "1000", 4 [pid 7555] <... bpf resumed>) = 7 [pid 7558] <... write resumed>) = 4 [pid 7557] <... bpf resumed>) = 6 [pid 7556] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7554] +++ exited with 0 +++ [pid 7558] close(3) = 0 executing program [pid 7555] exit_group(0 [pid 7558] write(1, "executing program\n", 18 [pid 7557] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7558] <... write resumed>) = 18 [pid 7556] <... bpf resumed>) = 7 [pid 7555] <... exit_group resumed>) = ? [pid 7558] perf_event_open( [pid 7557] <... bpf resumed>) = 7 [pid 7556] exit_group(0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7558] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7558] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7558] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7557] exit_group(0 [pid 7556] <... exit_group resumed>) = ? [pid 7555] +++ exited with 0 +++ [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7558] <... bpf resumed>) = 5 [pid 7557] <... exit_group resumed>) = ? [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7559 ./strace-static-x86_64: Process 7559 attached [pid 7558] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7557] +++ exited with 0 +++ [pid 7556] +++ exited with 0 +++ [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7559] set_robust_list(0x55558c953660, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] <... restart_syscall resumed>) = 0 [pid 7559] <... set_robust_list resumed>) = 0 [pid 7559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7559] <... prctl resumed>) = 0 [pid 7558] <... bpf resumed>) = 6 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7560 attached [pid 7559] setpgid(0, 0 [pid 7558] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7559] <... setpgid resumed>) = 0 [pid 7559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7559] write(3, "1000", 4./strace-static-x86_64: Process 7561 attached [pid 7560] set_robust_list(0x55558c953660, 24 [pid 7558] <... bpf resumed>) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7560 [pid 7561] set_robust_list(0x55558c953660, 24 [pid 7559] <... write resumed>) = 4 [pid 7561] <... set_robust_list resumed>) = 0 [pid 7559] close(3 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7560] <... set_robust_list resumed>) = 0 [pid 7559] <... close resumed>) = 0 [pid 7558] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7561 ./strace-static-x86_64: Process 7562 attached executing program [pid 7561] <... prctl resumed>) = 0 [pid 7560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7559] write(1, "executing program\n", 18 [pid 7558] <... exit_group resumed>) = ? [pid 7562] set_robust_list(0x55558c953660, 24 [pid 7561] setpgid(0, 0 [pid 7560] <... prctl resumed>) = 0 [pid 7559] <... write resumed>) = 18 [pid 7562] <... set_robust_list resumed>) = 0 [pid 7561] <... setpgid resumed>) = 0 [pid 7560] setpgid(0, 0 [pid 7559] perf_event_open( [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7562 [pid 7561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7560] <... setpgid resumed>) = 0 [pid 7562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7561] <... openat resumed>) = 3 [pid 7560] <... openat resumed>) = 3 [pid 7562] <... prctl resumed>) = 0 [pid 7560] write(3, "1000", 4 [pid 7562] setpgid(0, 0 [pid 7561] write(3, "1000", 4 [pid 7562] <... setpgid resumed>) = 0 [pid 7561] <... write resumed>) = 4 [pid 7560] <... write resumed>) = 4 [pid 7559] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7558] +++ exited with 0 +++ [pid 7561] close(3 [pid 7560] close(3 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7561] <... close resumed>) = 0 [pid 7560] <... close resumed>) = 0 [pid 7559] perf_event_open(executing program [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7561] write(1, "executing program\n", 18 executing program [pid 7560] write(1, "executing program\n", 18 [pid 7562] <... openat resumed>) = 3 [pid 7561] <... write resumed>) = 18 [pid 7559] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7560] <... write resumed>) = 18 [pid 7559] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7562] write(3, "1000", 4 [pid 7561] perf_event_open( [pid 7560] perf_event_open( [pid 7559] <... bpf resumed>) = 5 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7562] <... write resumed>) = 4 [pid 7560] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7562] close(3 [pid 7561] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7560] perf_event_open( [pid 7559] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7562] <... close resumed>) = 0 [pid 7561] perf_event_open( [pid 7560] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 executing program [pid 7562] write(1, "executing program\n", 18) = 18 [pid 7561] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7560] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7562] perf_event_open( [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7562] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7561] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7560] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 7563 attached [pid 7562] perf_event_open( [pid 7561] <... bpf resumed>) = 5 [pid 7560] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7559] <... bpf resumed>) = 6 [pid 7563] set_robust_list(0x55558c953660, 24 [pid 7562] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7561] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7559] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7563] <... set_robust_list resumed>) = 0 [pid 7562] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7561] <... bpf resumed>) = 6 [pid 7560] <... bpf resumed>) = 6 [pid 7559] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7563 [pid 7563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7562] <... bpf resumed>) = 5 [pid 7559] exit_group(0 [pid 7563] <... prctl resumed>) = 0 [pid 7562] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7559] <... exit_group resumed>) = ? [pid 7560] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7563] setpgid(0, 0 [pid 7561] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7560] <... bpf resumed>) = 7 [pid 7563] <... setpgid resumed>) = 0 [pid 7563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7561] <... bpf resumed>) = 7 [pid 7563] <... openat resumed>) = 3 [pid 7559] +++ exited with 0 +++ [pid 7563] write(3, "1000", 4 [pid 7562] <... bpf resumed>) = 6 [pid 7561] exit_group(0 [pid 7560] exit_group(0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7563] <... write resumed>) = 4 [pid 7562] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7563] close(3executing program [pid 7562] <... bpf resumed>) = 7 [pid 7561] <... exit_group resumed>) = ? [pid 7560] <... exit_group resumed>) = ? [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7563] <... close resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7563] write(1, "executing program\n", 18 [pid 7562] exit_group(0 [pid 7563] <... write resumed>) = 18 [pid 7563] perf_event_open( [pid 7562] <... exit_group resumed>) = ? [pid 7561] +++ exited with 0 +++ [pid 7560] +++ exited with 0 +++ [pid 7563] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7560, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7564 attached [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7564] set_robust_list(0x55558c953660, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7563] perf_event_open( [pid 7564] <... set_robust_list resumed>) = 0 [pid 7564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7564 [pid 7564] <... prctl resumed>) = 0 [pid 7564] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7565 attached [pid 7564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7565 [pid 7565] set_robust_list(0x55558c953660, 24 [pid 7564] write(3, "1000", 4 [pid 7565] <... set_robust_list resumed>) = 0 [pid 7565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7564] <... write resumed>) = 4 [pid 7565] <... prctl resumed>) = 0 [pid 7565] setpgid(0, 0 [pid 7564] close(3 [pid 7565] <... setpgid resumed>) = 0 [pid 7564] <... close resumed>) = 0 [pid 7564] write(1, "executing program\n", 18executing program [pid 5867] <... restart_syscall resumed>) = 0 [pid 7565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7564] <... write resumed>) = 18 [pid 7565] <... openat resumed>) = 3 [pid 7565] write(3, "1000", 4) = 4 [pid 7564] perf_event_open( [pid 7563] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7562] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7565] close(3 [pid 7563] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7564] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7565] <... close resumed>) = 0 executing program [pid 7563] <... bpf resumed>) = 5 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7566 attached [pid 7565] write(1, "executing program\n", 18 [pid 7566] set_robust_list(0x55558c953660, 24 [pid 7565] <... write resumed>) = 18 [pid 7564] perf_event_open( [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7566 [pid 7566] <... set_robust_list resumed>) = 0 [pid 7565] perf_event_open( [pid 7563] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7565] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7564] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7566] <... prctl resumed>) = 0 [pid 7566] setpgid(0, 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7565] perf_event_open( [pid 7564] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7563] <... bpf resumed>) = 6 [pid 7565] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7565] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7564] <... bpf resumed>) = 5 [pid 7563] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7565] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 7567 attached [pid 7566] <... setpgid resumed>) = 0 [pid 7565] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7564] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7563] <... bpf resumed>) = 7 [pid 7567] set_robust_list(0x55558c953660, 24 [pid 7566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7567 [pid 7567] <... set_robust_list resumed>) = 0 [pid 7566] <... openat resumed>) = 3 [pid 7567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7566] write(3, "1000", 4) = 4 [pid 7567] <... prctl resumed>) = 0 [pid 7566] close(3 [pid 7567] setpgid(0, 0 [pid 7566] <... close resumed>) = 0 executing program [pid 7567] <... setpgid resumed>) = 0 [pid 7566] write(1, "executing program\n", 18 [pid 7567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7566] <... write resumed>) = 18 [pid 7565] <... bpf resumed>) = 6 [pid 7564] <... bpf resumed>) = 6 [pid 7563] exit_group(0) = ? [pid 7566] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7567] write(3, "1000", 4) = 4 [pid 7567] close(3) = 0 [pid 7567] write(1, "executing program\n", 18 [pid 7566] perf_event_open( [pid 7565] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7564] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7563] +++ exited with 0 +++ executing program [pid 7566] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7563, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7567] <... write resumed>) = 18 [pid 7566] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7564] <... bpf resumed>) = 7 [pid 7567] perf_event_open( [pid 7565] <... bpf resumed>) = 7 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 7566] <... bpf resumed>) = 5 [pid 7565] exit_group(0 [pid 7564] exit_group(0) = ? [pid 7567] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7566] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7565] <... exit_group resumed>) = ? [pid 5875] <... restart_syscall resumed>) = 0 [pid 7567] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7567] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7567] <... bpf resumed>) = 5 [pid 7564] +++ exited with 0 +++ [pid 7567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7568 attached [pid 7566] <... bpf resumed>) = 6 [pid 7565] +++ exited with 0 +++ [pid 7568] set_robust_list(0x55558c953660, 24 [pid 7567] <... bpf resumed>) = 6 [pid 7566] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7568 [pid 7568] <... set_robust_list resumed>) = 0 [pid 7568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7567] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7566] <... bpf resumed>) = 7 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7568] <... prctl resumed>) = 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 7568] setpgid(0, 0 [pid 7566] exit_group(0 [pid 7567] <... bpf resumed>) = 7 [pid 5871] <... restart_syscall resumed>) = 0 [pid 7568] <... setpgid resumed>) = 0 [pid 7566] <... exit_group resumed>) = ? [pid 7568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7567] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7567] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7569 attached [pid 7568] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7570 attached [pid 7568] write(3, "1000", 4) = 4 [pid 7568] close(3) = 0 [pid 7568] write(1, "executing program\n", 18) = 18 [pid 7567] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7569 [pid 7570] set_robust_list(0x55558c953660, 24 [pid 7569] set_robust_list(0x55558c953660, 24 [pid 7568] perf_event_open( [pid 7570] <... set_robust_list resumed>) = 0 [pid 7569] <... set_robust_list resumed>) = 0 [pid 7568] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] restart_syscall(<... resuming interrupted clone ...> [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7570 [pid 7570] <... prctl resumed>) = 0 [pid 7568] perf_event_open( [pid 7570] setpgid(0, 0) = 0 [pid 7569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... restart_syscall resumed>) = 0 [pid 7570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7569] <... prctl resumed>) = 0 executing program [pid 7569] setpgid(0, 0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7570] <... openat resumed>) = 3 [pid 7570] write(3, "1000", 4 [pid 7566] +++ exited with 0 +++ [pid 7569] <... setpgid resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7566, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7570] <... write resumed>) = 4 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7570] close(3) = 0 [pid 7569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7570] write(1, "executing program\n", 18) = 18 [pid 7570] perf_event_open(./strace-static-x86_64: Process 7571 attached {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7569] <... openat resumed>) = 3 [pid 7568] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7571 [pid 5867] <... restart_syscall resumed>) = 0 [pid 7571] set_robust_list(0x55558c953660, 24 [pid 7570] perf_event_open( [pid 7569] write(3, "1000", 4 [pid 7568] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program [pid 7571] <... set_robust_list resumed>) = 0 [pid 7570] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7569] <... write resumed>) = 4 [pid 7569] close(3) = 0 [pid 7569] write(1, "executing program\n", 18) = 18 [pid 7570] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7569] perf_event_open( [pid 7571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7570] <... bpf resumed>) = 5 [pid 7569] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7568] <... bpf resumed>) = 5 [pid 7569] perf_event_open( [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7571] <... prctl resumed>) = 0 [pid 7571] setpgid(0, 0 [pid 7569] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 ./strace-static-x86_64: Process 7572 attached [pid 7570] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7568] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7572] set_robust_list(0x55558c953660, 24 [pid 7571] <... setpgid resumed>) = 0 [pid 7569] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7572 [pid 7572] <... set_robust_list resumed>) = 0 [pid 7571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7570] <... bpf resumed>) = 6 [pid 7569] <... bpf resumed>) = 5 [pid 7568] <... bpf resumed>) = 6 [pid 7572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7570] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7569] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7572] setpgid(0, 0 [pid 7571] <... openat resumed>) = 3 [pid 7570] <... bpf resumed>) = 7 [pid 7568] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7572] <... setpgid resumed>) = 0 [pid 7571] write(3, "1000", 4 [pid 7568] <... bpf resumed>) = 7 [pid 7572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7571] <... write resumed>) = 4 [pid 7571] close(3 [pid 7572] <... openat resumed>) = 3 [pid 7571] <... close resumed>) = 0 [pid 7570] exit_group(0 [pid 7569] <... bpf resumed>) = 6 [pid 7570] <... exit_group resumed>) = ? executing program [pid 7572] write(3, "1000", 4 [pid 7571] write(1, "executing program\n", 18 [pid 7569] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7568] exit_group(0 [pid 7571] <... write resumed>) = 18 [pid 7569] <... bpf resumed>) = 7 [pid 7572] <... write resumed>) = 4 [pid 7571] perf_event_open( [pid 7569] exit_group(0 [pid 7568] <... exit_group resumed>) = ? [pid 7572] close(3 [pid 7571] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7572] <... close resumed>) = 0 executing program [pid 7572] write(1, "executing program\n", 18) = 18 [pid 7572] perf_event_open( [pid 7571] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7572] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7570] +++ exited with 0 +++ [pid 7569] <... exit_group resumed>) = ? [pid 7568] +++ exited with 0 +++ [pid 7572] perf_event_open( [pid 7571] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7572] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7571] <... bpf resumed>) = 5 [pid 7571] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7572] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7569] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7572] <... bpf resumed>) = 5 [pid 7571] <... bpf resumed>) = 6 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7573 attached [pid 7572] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7571] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24./strace-static-x86_64: Process 7574 attached [pid 7573] set_robust_list(0x55558c953660, 24 [pid 5868] <... restart_syscall resumed>) = 0 [pid 7574] set_robust_list(0x55558c953660, 24 [pid 7573] <... set_robust_list resumed>) = 0 [pid 7571] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7573 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7574 [pid 7573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7575 attached [pid 7575] set_robust_list(0x55558c953660, 24) = 0 [pid 7575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7575] setpgid(0, 0 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7575 [pid 7575] <... setpgid resumed>) = 0 [pid 7575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7574] <... set_robust_list resumed>) = 0 [pid 7573] <... prctl resumed>) = 0 [pid 7572] <... bpf resumed>) = 6 [pid 7571] exit_group(0 [pid 7575] write(3, "1000", 4 [pid 7574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7573] setpgid(0, 0 [pid 7572] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7575] <... write resumed>) = 4 [pid 7574] <... prctl resumed>) = 0 [pid 7573] <... setpgid resumed>) = 0 [pid 7571] <... exit_group resumed>) = ? [pid 7575] close(3 [pid 7574] setpgid(0, 0 [pid 7575] <... close resumed>) = 0 [pid 7573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7573] write(3, "1000", 4executing program [pid 7575] write(1, "executing program\n", 18 [pid 7574] <... setpgid resumed>) = 0 [pid 7572] <... bpf resumed>) = 7 [pid 7571] +++ exited with 0 +++ [pid 7575] <... write resumed>) = 18 [pid 7575] perf_event_open( [pid 7573] <... write resumed>) = 4 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7573] close(3executing program ) = 0 [pid 7573] write(1, "executing program\n", 18 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7575] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7573] <... write resumed>) = 18 [pid 7572] exit_group(0./strace-static-x86_64: Process 7576 attached [pid 7575] perf_event_open( [pid 7573] perf_event_open( [pid 7576] set_robust_list(0x55558c953660, 24 [pid 7574] <... openat resumed>) = 3 [pid 7576] <... set_robust_list resumed>) = 0 [pid 7575] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7573] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7576 [pid 7576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7574] write(3, "1000", 4 [pid 7572] <... exit_group resumed>) = ? [pid 7575] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7574] <... write resumed>) = 4 [pid 7576] <... prctl resumed>) = 0 [pid 7574] close(3 [pid 7573] perf_event_open( [pid 7576] setpgid(0, 0 [pid 7575] <... bpf resumed>) = 5 executing program [pid 7574] <... close resumed>) = 0 [pid 7574] write(1, "executing program\n", 18 [pid 7575] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7574] <... write resumed>) = 18 [pid 7574] perf_event_open( [pid 7576] <... setpgid resumed>) = 0 [pid 7573] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7574] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7572] +++ exited with 0 +++ [pid 7576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7575] <... bpf resumed>) = 6 [pid 7574] perf_event_open( [pid 7573] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7576] <... openat resumed>) = 3 [pid 7575] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7574] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7572, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7574] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7576] write(3, "1000", 4 [pid 7573] <... bpf resumed>) = 5 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7576] <... write resumed>) = 4 [pid 7575] <... bpf resumed>) = 7 [pid 7574] <... bpf resumed>) = 5 [pid 7573] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 7577 attached [pid 7576] close(3 [pid 7575] exit_group(0 [pid 7574] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7576] <... close resumed>) = 0 [pid 7573] <... bpf resumed>) = 6 executing program [pid 7576] write(1, "executing program\n", 18 [pid 7575] <... exit_group resumed>) = ? [pid 7577] set_robust_list(0x55558c953660, 24 [pid 7576] <... write resumed>) = 18 [pid 7573] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7577] <... set_robust_list resumed>) = 0 [pid 7576] perf_event_open( [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7577 [pid 7574] <... bpf resumed>) = 6 [pid 7577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7576] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7574] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7573] <... bpf resumed>) = 7 [pid 7577] <... prctl resumed>) = 0 [pid 7575] +++ exited with 0 +++ [pid 7574] <... bpf resumed>) = 7 [pid 7573] exit_group(0 [pid 7577] setpgid(0, 0 [pid 7576] perf_event_open( [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 7577] <... setpgid resumed>) = 0 [pid 7574] exit_group(0) = ? [pid 7577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7576] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7573] <... exit_group resumed>) = ? [pid 5868] <... restart_syscall resumed>) = 0 [pid 7577] <... openat resumed>) = 3 [pid 7577] write(3, "1000", 4 [pid 7576] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7574] +++ exited with 0 +++ [pid 7573] +++ exited with 0 +++ [pid 7577] <... write resumed>) = 4 [pid 7576] <... bpf resumed>) = 5 [pid 7577] close(3 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7576] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 7577] <... close resumed>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7577] write(1, "executing program\n", 18) = 18 [pid 7577] perf_event_open(./strace-static-x86_64: Process 7578 attached [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7580 attached ./strace-static-x86_64: Process 7579 attached [pid 7578] set_robust_list(0x55558c953660, 24 [pid 7577] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7578] <... set_robust_list resumed>) = 0 [pid 7577] perf_event_open( [pid 7578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7577] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7580] set_robust_list(0x55558c953660, 24 [pid 7578] <... prctl resumed>) = 0 [pid 7580] <... set_robust_list resumed>) = 0 [pid 7578] setpgid(0, 0 [pid 7577] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7579] set_robust_list(0x55558c953660, 24 [pid 7578] <... setpgid resumed>) = 0 [pid 7577] <... bpf resumed>) = 5 [pid 7576] <... bpf resumed>) = 6 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7578 [pid 7579] <... set_robust_list resumed>) = 0 [pid 7579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7576] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7579 [pid 7580] <... prctl resumed>) = 0 [pid 7578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7580 [pid 7580] setpgid(0, 0 [pid 7579] <... prctl resumed>) = 0 [pid 7578] <... openat resumed>) = 3 [pid 7578] write(3, "1000", 4 [pid 7580] <... setpgid resumed>) = 0 [pid 7579] setpgid(0, 0 [pid 7577] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7576] <... bpf resumed>) = 7 [pid 7580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7579] <... setpgid resumed>) = 0 [pid 7580] <... openat resumed>) = 3 [pid 7579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7578] <... write resumed>) = 4 [pid 7579] <... openat resumed>) = 3 [pid 7578] close(3 [pid 7576] exit_group(0 [pid 7580] write(3, "1000", 4) = 4 [pid 7579] write(3, "1000", 4 [pid 7578] <... close resumed>) = 0 [pid 7576] <... exit_group resumed>) = ? [pid 7580] close(3executing program [pid 7579] <... write resumed>) = 4 [pid 7577] <... bpf resumed>) = 6 [pid 7580] <... close resumed>) = 0 [pid 7580] write(1, "executing program\n", 18 [pid 7579] close(3 [pid 7580] <... write resumed>) = 18 [pid 7579] <... close resumed>) = 0 [pid 7580] perf_event_open( [pid 7579] write(1, "executing program\n", 18 [pid 7580] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 7579] <... write resumed>) = 18 [pid 7579] perf_event_open( [pid 7576] +++ exited with 0 +++ [pid 7580] perf_event_open( [pid 7579] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7578] write(1, "executing program\n", 18 [pid 7577] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24executing program [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7576, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7580] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7579] perf_event_open( [pid 7578] <... write resumed>) = 18 [pid 7580] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7579] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7578] perf_event_open( [pid 7577] <... bpf resumed>) = 7 [pid 7578] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7580] <... bpf resumed>) = 5 [pid 7579] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7580] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7579] <... bpf resumed>) = 5 [pid 7578] perf_event_open( [pid 7577] exit_group(0 [pid 7578] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7577] <... exit_group resumed>) = ? [pid 7578] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7579] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7578] <... bpf resumed>) = 5 [pid 7580] <... bpf resumed>) = 6 [pid 7578] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7579] <... bpf resumed>) = 6 [pid 7578] <... bpf resumed>) = 6 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7580] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7579] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7578] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7577] +++ exited with 0 +++ ./strace-static-x86_64: Process 7581 attached [pid 7580] <... bpf resumed>) = 7 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7577, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7581] set_robust_list(0x55558c953660, 24 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7581 [pid 7581] <... set_robust_list resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7582 attached [pid 7580] exit_group(0 [pid 7579] <... bpf resumed>) = 7 [pid 7578] <... bpf resumed>) = 7 [pid 7582] set_robust_list(0x55558c953660, 24 [pid 7581] setpgid(0, 0 [pid 7580] <... exit_group resumed>) = ? [pid 7579] exit_group(0 [pid 7578] exit_group(0 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7582 [pid 7582] <... set_robust_list resumed>) = 0 [pid 7581] <... setpgid resumed>) = 0 [pid 7579] <... exit_group resumed>) = ? [pid 7578] <... exit_group resumed>) = ? [pid 7582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7580] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7581] <... openat resumed>) = 3 [pid 7582] <... prctl resumed>) = 0 [pid 7581] write(3, "1000", 4 [pid 7578] +++ exited with 0 +++ [pid 7582] setpgid(0, 0 [pid 7581] <... write resumed>) = 4 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7582] <... setpgid resumed>) = 0 [pid 7581] close(3 [pid 7582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7581] <... close resumed>) = 0 [pid 7582] <... openat resumed>) = 3 [pid 7581] write(1, "executing program\n", 18 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7582] write(3, "1000", 4 [pid 7581] <... write resumed>) = 18 [pid 7582] <... write resumed>) = 4 [pid 7582] close(3) = 0 ./strace-static-x86_64: Process 7583 attached [pid 7582] write(1, "executing program\n", 18 [pid 7581] perf_event_open(executing program [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7583] set_robust_list(0x55558c953660, 24 [pid 7582] <... write resumed>) = 18 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7583 ./strace-static-x86_64: Process 7584 attached [pid 7583] <... set_robust_list resumed>) = 0 [pid 7582] perf_event_open( [pid 7584] set_robust_list(0x55558c953660, 24 [pid 7583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7584 [pid 7584] <... set_robust_list resumed>) = 0 [pid 7583] <... prctl resumed>) = 0 [pid 7583] setpgid(0, 0 [pid 7584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7583] <... setpgid resumed>) = 0 [pid 7584] <... prctl resumed>) = 0 [pid 7583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7584] setpgid(0, 0) = 0 [pid 7583] <... openat resumed>) = 3 [pid 7584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7583] write(3, "1000", 4 [pid 7584] <... openat resumed>) = 3 [pid 7583] <... write resumed>) = 4 [pid 7583] close(3 [pid 7584] write(3, "1000", 4 [pid 7583] <... close resumed>) = 0 [pid 7582] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7581] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7579] +++ exited with 0 +++ [pid 7584] <... write resumed>) = 4 executing program [pid 7583] write(1, "executing program\n", 18 [pid 7582] perf_event_open( [pid 7581] perf_event_open( [pid 7584] close(3 [pid 7583] <... write resumed>) = 18 [pid 7581] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7583] perf_event_open( [pid 7584] <... close resumed>) = 0 [pid 7584] write(1, "executing program\n", 18 [pid 7583] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 executing program [pid 7581] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7582] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7584] <... write resumed>) = 18 [pid 7583] perf_event_open( [pid 7584] perf_event_open( [pid 7583] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7582] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7581] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 7585 attached [pid 7584] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7583] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7582] <... bpf resumed>) = 5 [pid 7583] <... bpf resumed>) = 5 [pid 7582] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7581] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7585] set_robust_list(0x55558c953660, 24 [pid 7584] perf_event_open( [pid 7583] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7585 [pid 7585] <... set_robust_list resumed>) = 0 [pid 7584] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7582] <... bpf resumed>) = 6 [pid 7581] <... bpf resumed>) = 6 [pid 7585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7584] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7583] <... bpf resumed>) = 6 [pid 7582] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7585] <... prctl resumed>) = 0 [pid 7581] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7584] <... bpf resumed>) = 5 [pid 7583] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7584] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7585] setpgid(0, 0) = 0 [pid 7582] <... bpf resumed>) = 7 [pid 7585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7584] <... bpf resumed>) = 6 [pid 7583] <... bpf resumed>) = 7 [pid 7581] <... bpf resumed>) = 7 [pid 7582] exit_group(0 [pid 7585] <... openat resumed>) = 3 [pid 7584] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7583] exit_group(0 [pid 7582] <... exit_group resumed>) = ? [pid 7581] exit_group(0 [pid 7584] <... bpf resumed>) = 7 [pid 7583] <... exit_group resumed>) = ? [pid 7583] +++ exited with 0 +++ [pid 7582] +++ exited with 0 +++ [pid 7581] <... exit_group resumed>) = ? [pid 7585] write(3, "1000", 4 [pid 7584] exit_group(0 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7583, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7585] <... write resumed>) = 4 [pid 7585] close(3executing program ) = 0 [pid 7585] write(1, "executing program\n", 18) = 18 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 7585] perf_event_open( [pid 7584] <... exit_group resumed>) = ? [pid 7581] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 7585] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7581, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7585] perf_event_open( [pid 7584] +++ exited with 0 +++ [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7585] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7584, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 7587 attached ./strace-static-x86_64: Process 7586 attached [pid 7586] set_robust_list(0x55558c953660, 24) = 0 ./strace-static-x86_64: Process 7588 attached [pid 7587] set_robust_list(0x55558c953660, 24 [pid 7586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7585] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7587 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7586 [pid 7588] set_robust_list(0x55558c953660, 24 [pid 7587] <... set_robust_list resumed>) = 0 [pid 7586] <... prctl resumed>) = 0 [pid 7585] <... bpf resumed>) = 5 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7588 [pid 7587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7588] <... set_robust_list resumed>) = 0 [pid 7587] <... prctl resumed>) = 0 [pid 7586] setpgid(0, 0 [pid 7585] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7587] setpgid(0, 0 [pid 7586] <... setpgid resumed>) = 0 [pid 7585] <... bpf resumed>) = 6 [pid 7587] <... setpgid resumed>) = 0 [pid 7588] <... prctl resumed>) = 0 [pid 7587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7588] setpgid(0, 0 [pid 7585] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7588] <... setpgid resumed>) = 0 [pid 7587] <... openat resumed>) = 3 [pid 7586] <... openat resumed>) = 3 [pid 7588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7585] <... bpf resumed>) = 7 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7589 attached [pid 7588] <... openat resumed>) = 3 [pid 7587] write(3, "1000", 4 [pid 7586] write(3, "1000", 4 [pid 7585] exit_group(0 [pid 7587] <... write resumed>) = 4 [pid 7587] close(3 [pid 7588] write(3, "1000", 4 [pid 7586] <... write resumed>) = 4 executing program executing program [pid 7589] set_robust_list(0x55558c953660, 24 [pid 7587] <... close resumed>) = 0 [pid 7586] close(3 [pid 7585] <... exit_group resumed>) = ? [pid 7589] <... set_robust_list resumed>) = 0 [pid 7586] <... close resumed>) = 0 [pid 7588] <... write resumed>) = 4 [pid 7587] write(1, "executing program\n", 18 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7589 [pid 7588] close(3 [pid 7587] <... write resumed>) = 18 [pid 7588] <... close resumed>) = 0 [pid 7587] perf_event_open( [pid 7588] write(1, "executing program\n", 18 [pid 7587] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7588] <... write resumed>) = 18 [pid 7588] perf_event_open( [pid 7587] perf_event_open( [pid 7589] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 7586] write(1, "executing program\n", 18 [pid 7589] <... prctl resumed>) = 0 [pid 7586] <... write resumed>) = 18 [pid 7589] setpgid(0, 0 [pid 7586] perf_event_open( [pid 7589] <... setpgid resumed>) = 0 [pid 7589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7588] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7585] +++ exited with 0 +++ [pid 7589] <... openat resumed>) = 3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7589] write(3, "1000", 4 [pid 7588] perf_event_open( [pid 7587] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7586] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7586] perf_event_open( [pid 7589] <... write resumed>) = 4 [pid 7588] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7587] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7586] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7589] close(3 executing program [pid 7588] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7589] <... close resumed>) = 0 [pid 7587] <... bpf resumed>) = 5 [pid 7586] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7589] write(1, "executing program\n", 18) = 18 [pid 7588] <... bpf resumed>) = 5 [pid 7587] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7589] perf_event_open( [pid 7588] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7586] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 7590 attached [pid 7589] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7587] <... bpf resumed>) = 6 [pid 7590] set_robust_list(0x55558c953660, 24 [pid 7589] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7590] <... set_robust_list resumed>) = 0 [pid 7589] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7589] <... bpf resumed>) = 5 [pid 7589] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7590] <... prctl resumed>) = 0 [pid 7588] <... bpf resumed>) = 6 [pid 7587] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7586] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] <... clone resumed>, child_tidptr=0x55558c953650) = 7590 [pid 7590] setpgid(0, 0 [pid 7589] <... bpf resumed>) = 6 [pid 7590] <... setpgid resumed>) = 0 [pid 7590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7589] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7587] <... bpf resumed>) = 7 [pid 7588] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7590] <... openat resumed>) = 3 [pid 7587] exit_group(0 [pid 7589] <... bpf resumed>) = 7 [pid 7588] <... bpf resumed>) = 7 [pid 7587] <... exit_group resumed>) = ? [pid 7590] write(3, "1000", 4 [pid 7589] exit_group(0 [pid 7588] exit_group(0 [pid 7587] +++ exited with 0 +++ [pid 7586] <... bpf resumed>) = 6 [pid 7590] <... write resumed>) = 4 [pid 7589] <... exit_group resumed>) = ? [pid 7588] <... exit_group resumed>) = ? [pid 7590] close(3) = 0 [pid 7586] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5872] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7586] <... bpf resumed>) = 7 [pid 7586] exit_group(0 [pid 5872] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7589] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 7591 attached [pid 7586] <... exit_group resumed>) = ? [pid 5871] restart_syscall(<... resuming interrupted clone ...>executing program [pid 7591] set_robust_list(0x55558c953660, 24) = 0 [pid 7591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7590] write(1, "executing program\n", 18) = 18 [pid 5872] <... clone resumed>, child_tidptr=0x55558c953650) = 7591 [pid 7590] perf_event_open( [pid 7591] <... prctl resumed>) = 0 [pid 7591] setpgid(0, 0) = 0 [pid 7591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7590] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7590] perf_event_open( [pid 7591] <... openat resumed>) = 3 [pid 7590] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7588] +++ exited with 0 +++ [pid 7586] +++ exited with 0 +++ [pid 7590] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... restart_syscall resumed>) = 0 [pid 7591] write(3, "1000", 4 [pid 7590] <... bpf resumed>) = 5 [pid 5875] restart_syscall(<... resuming interrupted clone ...> [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7586, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7591] <... write resumed>) = 4 [pid 7590] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5875] <... restart_syscall resumed>) = 0 [pid 7591] close(3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7592 attached [pid 7592] set_robust_list(0x55558c953660, 24 [pid 7591] <... close resumed>) = 0 [pid 7592] <... set_robust_list resumed>) = 0 [pid 7592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7591] write(1, "executing program\n", 18 [pid 5871] <... clone resumed>, child_tidptr=0x55558c953650) = 7592 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7592] <... prctl resumed>) = 0 [pid 7592] setpgid(0, 0) = 0 executing program [pid 7592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7593 attached [pid 7591] <... write resumed>) = 18 [pid 7590] <... bpf resumed>) = 6 [pid 7592] <... openat resumed>) = 3 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7593] set_robust_list(0x55558c953660, 24 [pid 7592] write(3, "1000", 4 [pid 7591] perf_event_open( [pid 7590] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 7593] <... set_robust_list resumed>) = 0 [pid 7592] <... write resumed>) = 4 ./strace-static-x86_64: Process 7594 attached [pid 7593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7591] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 5867] <... clone resumed>, child_tidptr=0x55558c953650) = 7593 [pid 7594] set_robust_list(0x55558c953660, 24 [pid 7593] <... prctl resumed>) = 0 [pid 7592] close(3 [pid 7591] perf_event_open( [pid 7590] <... bpf resumed>) = 7 [pid 5875] <... clone resumed>, child_tidptr=0x55558c953650) = 7594 [pid 7594] <... set_robust_list resumed>) = 0 [pid 7593] setpgid(0, 0 [pid 7592] <... close resumed>) = 0 [pid 7591] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7593] <... setpgid resumed>) = 0 [pid 7592] write(1, "executing program\n", 18 [pid 7591] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7594] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 7593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7592] <... write resumed>) = 18 [pid 7592] perf_event_open( [pid 7594] <... prctl resumed>) = 0 [pid 7592] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7591] <... bpf resumed>) = 5 [pid 7594] setpgid(0, 0 [pid 7592] perf_event_open( [pid 7594] <... setpgid resumed>) = 0 [pid 7591] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7593] <... openat resumed>) = 3 [pid 7592] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 4 [pid 7590] exit_group(0 [pid 7594] <... openat resumed>) = 3 [pid 7592] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="\xff\xff\xff\xff", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 7590] <... exit_group resumed>) = ? [pid 7592] <... bpf resumed>) = 5 [ 130.249162][ T7591] ================================================================== [ 130.257329][ T7591] BUG: KASAN: slab-out-of-bounds in __bpf_get_stackid+0x868/0xcf0 [ 130.265188][ T7591] Write of size 8 at addr ffff8880272b8a58 by task syz-executor168/7591 [ 130.273518][ T7591] [ 130.275870][ T7591] CPU: 1 UID: 0 PID: 7591 Comm: syz-executor168 Not tainted 6.17.0-rc1-syzkaller-ge4414b01c1cd #0 PREEMPT(full) [ 130.275893][ T7591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 130.275911][ T7591] Call Trace: [ 130.275920][ T7591] [ 130.275929][ T7591] dump_stack_lvl+0x189/0x250 [ 130.275953][ T7591] ? __virt_addr_valid+0x1c8/0x5c0 [ 130.275981][ T7591] ? rcu_is_watching+0x15/0xb0 [ 130.275997][ T7591] ? __kasan_check_byte+0x12/0x40 [ 130.276026][ T7591] ? __pfx_dump_stack_lvl+0x10/0x10 [ 130.276047][ T7591] ? rcu_is_watching+0x15/0xb0 [ 130.276067][ T7591] ? lock_release+0x4b/0x3e0 [ 130.276105][ T7591] ? __virt_addr_valid+0x1c8/0x5c0 [ 130.276130][ T7591] ? __virt_addr_valid+0x4a5/0x5c0 [ 130.276160][ T7591] print_report+0xca/0x240 [ 130.276179][ T7591] ? __bpf_get_stackid+0x868/0xcf0 [ 130.276205][ T7591] kasan_report+0x118/0x150 [ 130.276239][ T7591] ? __bpf_get_stackid+0x868/0xcf0 [ 130.276278][ T7591] ? bpf_check+0x16666/0x1d2d0 [ 130.276301][ T7591] __bpf_get_stackid+0x868/0xcf0 [ 130.276356][ T7591] ? bpf_prog_b724608cae728045+0x27/0x2f [ 130.276383][ T7591] bpf_get_stackid_raw_tp+0x196/0x210 [ 130.276417][ T7591] bpf_prog_b724608cae728045+0x27/0x2f [ 130.276435][ T7591] bpf_trace_run2+0x284/0x4b0 [ 130.276461][ T7591] ? bpf_trace_run2+0x186/0x4b0 [ 130.276491][ T7591] ? __pfx_bpf_trace_run2+0x10/0x10 [ 130.276519][ T7591] ? check_cfg+0x1a97/0x1f90 [ 130.276545][ T7591] ? check_cfg+0x1af/0x1f90 [ 130.276585][ T7591] ? check_cfg+0x1a97/0x1f90 [ 130.276605][ T7591] kfree+0x3a0/0x440 [ 130.276639][ T7591] check_cfg+0x1a97/0x1f90 [ 130.276660][ T7591] ? __pfx_bpf_prog_calc_tag+0x10/0x10 [ 130.276724][ T7591] ? __pfx_check_cfg+0x10/0x10 [ 130.276744][ T7591] ? bpf_opcode_in_insntable+0xc/0x50 [ 130.276761][ T7591] ? resolve_pseudo_ldimm64+0xa4e/0xc50 [ 130.276800][ T7591] ? __pfx_resolve_pseudo_ldimm64+0x10/0x10 [ 130.276825][ T7591] ? check_subprogs+0x5a1/0x670 [ 130.276864][ T7591] bpf_check+0x16666/0x1d2d0 [ 130.276885][ T7591] ? __pfx_perf_tp_event+0x10/0x10 [ 130.277006][ T7591] ? perf_trace_run_bpf_submit+0xee/0x170 [ 130.277037][ T7591] ? perf_trace_lock_acquire+0x335/0x410 [ 130.277091][ T7591] ? __lock_acquire+0xab9/0xd20 [ 130.277130][ T7591] ? __pfx_bpf_check+0x10/0x10 [ 130.277149][ T7591] ? ktime_get_with_offset+0x8c/0x2a0 [ 130.277184][ T7591] ? seqcount_lockdep_reader_access+0x123/0x1c0 [ 130.277205][ T7591] ? lockdep_hardirqs_on+0x9c/0x150 [ 130.277233][ T7591] ? ktime_get_with_offset+0x8c/0x2a0 [ 130.277252][ T7591] ? seqcount_lockdep_reader_access+0x175/0x1c0 [ 130.277276][ T7591] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10 [ 130.277326][ T7591] ? __asan_memset+0x22/0x50 [ 130.277352][ T7591] ? bpf_obj_name_cpy+0x194/0x1e0 [ 130.277370][ T7591] ? bpf_lsm_bpf_prog_load+0x9/0x20 [ 130.277395][ T7591] ? security_bpf_prog_load+0x7f/0x310 [ 130.277432][ T7591] bpf_prog_load+0x1318/0x1930 [ 130.277492][ T7591] ? __pfx_bpf_prog_load+0x10/0x10 [ 130.277574][ T7591] ? bpf_lsm_bpf+0x9/0x20 [ 130.277597][ T7591] ? security_bpf+0x7e/0x300 [ 130.277631][ T7591] __sys_bpf+0x528/0x870 [ 130.277663][ T7591] ? __pfx___sys_bpf+0x10/0x10 [ 130.277714][ T7591] ? __pfx_perf_trace_preemptirq_template+0x10/0x10 [ 130.277739][ T7591] ? __pfx_perf_trace_preemptirq_template+0x10/0x10 [ 130.277779][ T7591] __x64_sys_bpf+0x7c/0x90 [ 130.277802][ T7591] do_syscall_64+0xfa/0x3b0 [ 130.277828][ T7591] ? lockdep_hardirqs_on+0x9c/0x150 [ 130.277851][ T7591] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.277884][ T7591] ? clear_bhb_loop+0x60/0xb0 [ 130.277910][ T7591] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.277944][ T7591] RIP: 0033:0x7fc95a02fee9 [ 130.277961][ T7591] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 130.277984][ T7591] RSP: 002b:00007ffd14060ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 130.278006][ T7591] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc95a02fee9 [ 130.278019][ T7591] RDX: 0000000000000094 RSI: 0000200000000680 RDI: 0000000000000005 [ 130.278030][ T7591] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000a0 [ 130.278040][ T7591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 130.278050][ T7591] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 130.278093][ T7591] [ 130.278099][ T7591] [ 130.699052][ T7591] Allocated by task 7590: [ 130.703392][ T7591] kasan_save_track+0x3e/0x80 [ 130.708110][ T7591] __kasan_kmalloc+0x93/0xb0 [ 130.712713][ T7591] __kmalloc_node_noprof+0x276/0x4e0 [ 130.718005][ T7591] bpf_map_area_alloc+0x64/0x180 [ 130.722962][ T7591] prealloc_elems_and_freelist+0x86/0x1d0 [ 130.728683][ T7591] stack_map_alloc+0x33f/0x4c0 [ 130.733465][ T7591] map_create+0xaa0/0x14d0 [ 130.737904][ T7591] __sys_bpf+0x60f/0x870 [ 130.742165][ T7591] __x64_sys_bpf+0x7c/0x90 [ 130.746587][ T7591] do_syscall_64+0xfa/0x3b0 [ 130.751111][ T7591] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.757019][ T7591] [ 130.759357][ T7591] The buggy address belongs to the object at ffff8880272b8800 [ 130.759357][ T7591] which belongs to the cache kmalloc-1k of size 1024 [ 130.773423][ T7591] The buggy address is located 24 bytes to the right of [ 130.773423][ T7591] allocated 576-byte region [ffff8880272b8800, ffff8880272b8a40) [ 130.788024][ T7591] [ 130.790361][ T7591] The buggy address belongs to the physical page: [ 130.796791][ T7591] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x272b8 [ 130.805564][ T7591] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 130.814087][ T7591] anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 130.822076][ T7591] page_type: f5(slab) [ 130.826064][ T7591] raw: 00fff00000000040 ffff88801a441dc0 0000000000000000 dead000000000001 [ 130.834652][ T7591] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 130.843239][ T7591] head: 00fff00000000040 ffff88801a441dc0 0000000000000000 dead000000000001 [ 130.851908][ T7591] head: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 130.860579][ T7591] head: 00fff00000000003 ffffea00009cae01 00000000ffffffff 00000000ffffffff [ 130.869281][ T7591] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 130.877958][ T7591] page dumped because: kasan: bad access detected [ 130.884396][ T7591] page_owner tracks the page as allocated [ 130.890206][ T7591] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x252800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_THISNODE), pid 37, tgid 37 (kworker/u8:3), ts 11456374214, free_ts 0 [ 130.908542][ T7591] post_alloc_hook+0x240/0x2a0 [ 130.913337][ T7591] get_page_from_freelist+0x21e4/0x22c0 [ 130.918894][ T7591] __alloc_frozen_pages_noprof+0x181/0x370 [ 130.924707][ T7591] allocate_slab+0x65/0x370 [ 130.929214][ T7591] ___slab_alloc+0xbeb/0x1410 [ 130.933898][ T7591] __kmalloc_cache_node_noprof+0x29a/0x3d0 [ 130.939713][ T7591] blk_mq_alloc_and_init_hctx+0x181/0xd60 [ 130.945476][ T7591] __blk_mq_realloc_hw_ctxs+0x169/0x400 [ 130.951037][ T7591] blk_mq_init_allocated_queue+0x400/0x1490 [ 130.956942][ T7591] blk_mq_alloc_queue+0x191/0x280 [ 130.961980][ T7591] scsi_alloc_sdev+0x767/0xb40 [ 130.966763][ T7591] scsi_probe_and_add_lun+0x1c5/0x4580 [ 130.972252][ T7591] __scsi_scan_target+0x1dd/0xd10 [ 130.977298][ T7591] scsi_scan_host_selected+0x372/0x690 [ 130.982775][ T7591] do_scan_async+0x124/0x760 [ 130.987373][ T7591] async_run_entry_fn+0xa8/0x3f0 [ 130.992327][ T7591] page_owner free stack trace missing [ 130.997692][ T7591] [ 131.000022][ T7591] Memory state around the buggy address: [ 131.005670][ T7591] ffff8880272b8900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 131.013735][ T7591] ffff8880272b8980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 131.021818][ T7591] >ffff8880272b8a00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 131.029883][ T7591] ^ [ 131.036836][ T7591] ffff8880272b8a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 131.044915][ T7591] ffff8880272b8b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [pid 7593] write(3, "1000", 4 [pid 7594] write(3, "1000", 4 [pid 7593] <... write resumed>) = 4 [pid 7594] <... write resumed>) = 4 [pid 7593] close(3 [pid 7592] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 7590] +++ exited with 0 +++ [pid 7594] close(3 [pid 7593] <... close resumed>) = 0 [pid 7592] <... bpf resumed>) = 6 executing program [pid 7594] <... close resumed>) = 0 [pid 7593] write(1, "executing program\n", 18 [pid 7592] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=6}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7590, si_uid=0, si_status=0, si_utime=0, si_stime=80 /* 0.80 s */} --- [pid 7594] write(1, "executing program\n", 18 [pid 7593] <... write resumed>) = 18 executing program [pid 7594] <... write resumed>) = 18 [pid 7593] perf_event_open( [pid 7594] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [pid 7593] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=235, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 1, -1, 0) = 3 [ 131.052974][ T7591] ================================================================== [ 131.062893][ T7591] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 131.070127][ T7591] CPU: 1 UID: 0 PID: 7591 Comm: syz-executor168 Not tainted 6.17.0-rc1-syzkaller-ge4414b01c1cd #0 PREEMPT(full) [ 131.082037][ T7591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 131.092107][ T7591] Call Trace: [ 131.095402][ T7591] [ 131.098345][ T7591] dump_stack_lvl+0x99/0x250 [ 131.102955][ T7591] ? __asan_memcpy+0x40/0x70 [ 131.107555][ T7591] ? __pfx_dump_stack_lvl+0x10/0x10 [ 131.112777][ T7591] ? __pfx__printk+0x10/0x10 [ 131.117416][ T7591] vpanic+0x281/0x750 [ 131.121418][ T7591] ? __pfx_print_hex_dump+0x10/0x10 [ 131.126632][ T7591] ? __pfx_vpanic+0x10/0x10 [ 131.131191][ T7591] ? irqentry_exit+0x74/0x90 [ 131.135795][ T7591] ? lockdep_hardirqs_on+0x9c/0x150 [ 131.141022][ T7591] panic+0xb9/0xc0 [ 131.144756][ T7591] ? __pfx_panic+0x10/0x10 [ 131.149191][ T7591] ? _raw_spin_unlock_irqrestore+0xa8/0x110 [ 131.155127][ T7591] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 131.161481][ T7591] ? __bpf_get_stackid+0x868/0xcf0 [ 131.166611][ T7591] check_panic_on_warn+0x89/0xb0 [ 131.171566][ T7591] ? __bpf_get_stackid+0x868/0xcf0 [ 131.176691][ T7591] end_report+0x78/0x160 [ 131.180958][ T7591] kasan_report+0x129/0x150 [ 131.185479][ T7591] ? __bpf_get_stackid+0x868/0xcf0 [ 131.190611][ T7591] ? bpf_check+0x16666/0x1d2d0 [ 131.195384][ T7591] __bpf_get_stackid+0x868/0xcf0 [ 131.200378][ T7591] ? bpf_prog_b724608cae728045+0x27/0x2f [ 131.206023][ T7591] bpf_get_stackid_raw_tp+0x196/0x210 [ 131.211418][ T7591] bpf_prog_b724608cae728045+0x27/0x2f [ 131.216884][ T7591] bpf_trace_run2+0x284/0x4b0 [ 131.221572][ T7591] ? bpf_trace_run2+0x186/0x4b0 [ 131.226436][ T7591] ? __pfx_bpf_trace_run2+0x10/0x10 [ 131.231676][ T7591] ? check_cfg+0x1a97/0x1f90 [ 131.236298][ T7591] ? check_cfg+0x1af/0x1f90 [ 131.240818][ T7591] ? check_cfg+0x1a97/0x1f90 [ 131.245419][ T7591] kfree+0x3a0/0x440 [ 131.249343][ T7591] check_cfg+0x1a97/0x1f90 [ 131.253771][ T7591] ? __pfx_bpf_prog_calc_tag+0x10/0x10 [ 131.259279][ T7591] ? __pfx_check_cfg+0x10/0x10 [ 131.264054][ T7591] ? bpf_opcode_in_insntable+0xc/0x50 [ 131.269428][ T7591] ? resolve_pseudo_ldimm64+0xa4e/0xc50 [ 131.274996][ T7591] ? __pfx_resolve_pseudo_ldimm64+0x10/0x10 [ 131.280897][ T7591] ? check_subprogs+0x5a1/0x670 [ 131.285773][ T7591] bpf_check+0x16666/0x1d2d0 [ 131.290391][ T7591] ? __pfx_perf_tp_event+0x10/0x10 [ 131.295609][ T7591] ? perf_trace_run_bpf_submit+0xee/0x170 [ 131.301343][ T7591] ? perf_trace_lock_acquire+0x335/0x410 [ 131.307003][ T7591] ? __lock_acquire+0xab9/0xd20 [ 131.311901][ T7591] ? __pfx_bpf_check+0x10/0x10 [ 131.316676][ T7591] ? ktime_get_with_offset+0x8c/0x2a0 [ 131.322073][ T7591] ? seqcount_lockdep_reader_access+0x123/0x1c0 [ 131.328335][ T7591] ? lockdep_hardirqs_on+0x9c/0x150 [ 131.333555][ T7591] ? ktime_get_with_offset+0x8c/0x2a0 [ 131.338940][ T7591] ? seqcount_lockdep_reader_access+0x175/0x1c0 [ 131.345196][ T7591] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10 [ 131.351809][ T7591] ? __asan_memset+0x22/0x50 [ 131.356414][ T7591] ? bpf_obj_name_cpy+0x194/0x1e0 [ 131.361442][ T7591] ? bpf_lsm_bpf_prog_load+0x9/0x20 [ 131.366651][ T7591] ? security_bpf_prog_load+0x7f/0x310 [ 131.372135][ T7591] bpf_prog_load+0x1318/0x1930 [ 131.376936][ T7591] ? __pfx_bpf_prog_load+0x10/0x10 [ 131.382112][ T7591] ? bpf_lsm_bpf+0x9/0x20 [ 131.386471][ T7591] ? security_bpf+0x7e/0x300 [ 131.391083][ T7591] __sys_bpf+0x528/0x870 [ 131.395350][ T7591] ? __pfx___sys_bpf+0x10/0x10 [ 131.400159][ T7591] ? __pfx_perf_trace_preemptirq_template+0x10/0x10 [ 131.406769][ T7591] ? __pfx_perf_trace_preemptirq_template+0x10/0x10 [ 131.413391][ T7591] __x64_sys_bpf+0x7c/0x90 [ 131.417837][ T7591] do_syscall_64+0xfa/0x3b0 [ 131.422374][ T7591] ? lockdep_hardirqs_on+0x9c/0x150 [ 131.427588][ T7591] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.433663][ T7591] ? clear_bhb_loop+0x60/0xb0 [ 131.438357][ T7591] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.444259][ T7591] RIP: 0033:0x7fc95a02fee9 [ 131.448684][ T7591] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 131.468300][ T7591] RSP: 002b:00007ffd14060ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 131.476729][ T7591] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc95a02fee9 [ 131.484714][ T7591] RDX: 0000000000000094 RSI: 0000200000000680 RDI: 0000000000000005 [ 131.492691][ T7591] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000a0 [ 131.500668][ T7591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 131.508644][ T7591] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 131.516658][ T7591] [ 131.519846][ T7591] Kernel Offset: disabled [ 131.524180][ T7591] Rebooting in 86400 seconds..