./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1219855713 <...> Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts. execve("./syz-executor1219855713", ["./syz-executor1219855713"], 0x7ffcad20f990 /* 10 vars */) = 0 brk(NULL) = 0x55558a085000 brk(0x55558a085d40) = 0x55558a085d40 arch_prctl(ARCH_SET_FS, 0x55558a0853c0) = 0 set_tid_address(0x55558a085690) = 5072 set_robust_list(0x55558a0856a0, 24) = 0 rseq(0x55558a085ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1219855713", 4096) = 28 getrandom("\x2c\x6f\x43\xd1\x4c\xbf\xa9\x3c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558a085d40 brk(0x55558a0a6d40) = 0x55558a0a6d40 brk(0x55558a0a7000) = 0x55558a0a7000 mprotect(0x7f7b6185c000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558a085690) = 5073 ./strace-static-x86_64: Process 5073 attached [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached ./strace-static-x86_64: Process 5075 attached [pid 5072] <... clone resumed>, child_tidptr=0x55558a085690) = 5074 [pid 5074] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] set_robust_list(0x55558a0856a0, 24 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5075 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5077 attached ./strace-static-x86_64: Process 5076 attached [pid 5072] <... clone resumed>, child_tidptr=0x55558a085690) = 5076 [pid 5077] set_robust_list(0x55558a0856a0, 24 [pid 5076] set_robust_list(0x55558a0856a0, 24 [pid 5075] <... prctl resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5077 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... set_robust_list resumed>) = 0 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5075] setpgid(0, 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached ./strace-static-x86_64: Process 5078 attached [pid 5077] <... prctl resumed>) = 0 [pid 5075] <... setpgid resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5079 [pid 5072] <... clone resumed>, child_tidptr=0x55558a085690) = 5078 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] set_robust_list(0x55558a0856a0, 24 [pid 5078] set_robust_list(0x55558a0856a0, 24 [pid 5077] setpgid(0, 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... set_robust_list resumed>) = 0 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] <... setpgid resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5080 attached ./strace-static-x86_64: Process 5081 attached [pid 5079] <... prctl resumed>) = 0 [pid 5075] write(3, "1000", 4 [pid 5081] set_robust_list(0x55558a0856a0, 24 [pid 5080] set_robust_list(0x55558a0856a0, 24 [pid 5079] setpgid(0, 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5081 [pid 5077] <... openat resumed>) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x55558a085690) = 5080 [pid 5075] <... write resumed>) = 4 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5079] <... setpgid resumed>) = 0 [pid 5077] write(3, "1000", 4 [pid 5075] close(3 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... set_robust_list resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] <... prctl resumed>) = 0 [pid 5077] <... write resumed>) = 4 [pid 5075] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... openat resumed>) = 3 [pid 5077] close(3 [pid 5075] <... futex resumed>) = 0 [pid 5081] <... setpgid resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5079] write(3, "1000", 4 [pid 5077] <... futex resumed>) = 0 [pid 5079] <... write resumed>) = 4 [pid 5075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5079] close(3 [pid 5077] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... close resumed>) = 0 ./strace-static-x86_64: Process 5082 attached [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5082 [pid 5082] set_robust_list(0x55558a0856a0, 24 [pid 5081] write(3, "1000", 4 [pid 5079] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5075] <... mmap resumed>) = 0x7f7b61773000 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] <... write resumed>) = 4 [pid 5079] <... futex resumed>) = 0 [pid 5077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5075] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] close(3 [pid 5079] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5075] <... mprotect resumed>) = 0 [pid 5082] <... prctl resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5082] setpgid(0, 0 [pid 5081] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5077] <... mmap resumed>) = 0x7f7b61773000 [pid 5082] <... setpgid resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5077] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5075] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] <... mprotect resumed>) = 0 [pid 5075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5081] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5083 attached [pid 5082] <... openat resumed>) = 3 [pid 5081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5079] <... mmap resumed>) = 0x7f7b61773000 [pid 5083] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5075] <... clone3 resumed> => {parent_tid=[5083]}, 88) = 5083 [pid 5083] <... rseq resumed>) = 0 [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5084 attached [pid 5083] set_robust_list(0x7f7b617939a0, 24 [pid 5082] write(3, "1000", 4 [pid 5081] <... mmap resumed>) = 0x7f7b61773000 [pid 5079] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5075] rt_sigprocmask(SIG_SETMASK, [], [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] <... write resumed>) = 4 [pid 5079] <... mprotect resumed>) = 0 [pid 5084] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5083] rt_sigprocmask(SIG_SETMASK, [], [pid 5082] close(3 [pid 5081] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5077] <... clone3 resumed> => {parent_tid=[5084]}, 88) = 5084 [pid 5075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5084] <... rseq resumed>) = 0 [pid 5083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5082] <... close resumed>) = 0 [pid 5081] <... mprotect resumed>) = 0 [pid 5079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5077] rt_sigprocmask(SIG_SETMASK, [], [pid 5075] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] set_robust_list(0x7f7b617939a0, 24 [pid 5083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5082] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5077] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5085 attached [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] <... bpf resumed>) = 3 [pid 5082] <... futex resumed>) = 0 [pid 5081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5084] rt_sigprocmask(SIG_SETMASK, [], [pid 5083] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5079] <... clone3 resumed> => {parent_tid=[5085]}, 88) = 5085 [pid 5085] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5077] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5086 attached [pid 5085] <... rseq resumed>) = 0 [pid 5084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5083] <... futex resumed>) = 0 [pid 5082] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5079] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5085] set_robust_list(0x7f7b617939a0, 24 [pid 5084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5083] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5081] <... clone3 resumed> => {parent_tid=[5086]}, 88) = 5086 [pid 5079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... rseq resumed>) = 0 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5084] <... bpf resumed>) = 3 [pid 5083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5081] rt_sigprocmask(SIG_SETMASK, [], [pid 5079] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... futex resumed>) = 0 [pid 5086] set_robust_list(0x7f7b617939a0, 24 [pid 5085] rt_sigprocmask(SIG_SETMASK, [], [pid 5084] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5079] <... futex resumed>) = 0 [pid 5075] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] <... set_robust_list resumed>) = 0 [pid 5085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5084] <... futex resumed>) = 1 [pid 5082] <... mmap resumed>) = 0x7f7b61773000 [pid 5079] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... futex resumed>) = 0 [pid 5086] rt_sigprocmask(SIG_SETMASK, [], [pid 5085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5084] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5081] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5085] <... bpf resumed>) = 3 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... bpf resumed>) = 4 [pid 5082] <... mprotect resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5085] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5083] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5081] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] <... bpf resumed>) = 3 [pid 5085] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 1 [pid 5082] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5079] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5086] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] <... bpf resumed>) = 4 [pid 5082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5079] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5087 attached [pid 5086] <... futex resumed>) = 1 [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5081] <... futex resumed>) = 0 [pid 5079] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5087] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5086] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5084] <... futex resumed>) = 1 [pid 5082] <... clone3 resumed> => {parent_tid=[5087]}, 88) = 5087 [pid 5081] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] <... rseq resumed>) = 0 [pid 5086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] <... bpf resumed>) = 4 [pid 5084] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... bpf resumed>) = 5 [pid 5082] rt_sigprocmask(SIG_SETMASK, [], [pid 5081] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5075] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5087] set_robust_list(0x7f7b617939a0, 24 [pid 5086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5085] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5081] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... set_robust_list resumed>) = 0 [pid 5085] <... futex resumed>) = 1 [pid 5082] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = 0 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], [pid 5086] <... bpf resumed>) = 4 [pid 5085] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... futex resumed>) = 1 [pid 5084] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5079] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 1 [pid 5075] <... futex resumed>) = 0 [pid 5087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5086] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5083] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... futex resumed>) = 0 [pid 5077] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5075] exit_group(0 [pid 5087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5086] <... futex resumed>) = 1 [pid 5085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5083] <... futex resumed>) = ? [pid 5081] <... futex resumed>) = 0 [pid 5079] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5075] <... exit_group resumed>) = ? [pid 5087] <... bpf resumed>) = 3 [pid 5086] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... bpf resumed>) = 5 [pid 5084] <... bpf resumed>) = 5 [pid 5083] +++ exited with 0 +++ [pid 5087] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = 1 [pid 5086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] <... futex resumed>) = 1 [pid 5082] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5079] <... futex resumed>) = 0 [pid 5087] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5085] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5079] exit_group(0 [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... bpf resumed>) = 5 [pid 5085] <... futex resumed>) = ? [pid 5084] <... futex resumed>) = 1 [pid 5082] <... futex resumed>) = 0 [pid 5079] <... exit_group resumed>) = ? [pid 5077] <... futex resumed>) = 0 [pid 5087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5086] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] +++ exited with 0 +++ [pid 5084] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] exit_group(0 [pid 5075] +++ exited with 0 +++ [pid 5086] <... futex resumed>) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5079] +++ exited with 0 +++ [pid 5087] <... bpf resumed>) = 4 [pid 5086] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] <... futex resumed>) = ? [pid 5081] exit_group(0 [pid 5077] <... exit_group resumed>) = ? [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5086] <... futex resumed>) = ? [pid 5084] +++ exited with 0 +++ [pid 5081] <... exit_group resumed>) = ? [pid 5087] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5087] <... futex resumed>) = 1 [pid 5082] <... futex resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached ./strace-static-x86_64: Process 5088 attached [pid 5087] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] set_robust_list(0x55558a0856a0, 24 [pid 5088] set_robust_list(0x55558a0856a0, 24 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... futex resumed>) = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5088 [pid 5089] <... prctl resumed>) = 0 [pid 5088] <... prctl resumed>) = 0 [pid 5087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5082] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5081] +++ exited with 0 +++ [pid 5077] +++ exited with 0 +++ [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5089 [pid 5089] setpgid(0, 0 [pid 5088] setpgid(0, 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5089] <... setpgid resumed>) = 0 [pid 5088] <... setpgid resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... openat resumed>) = 3 [pid 5088] <... openat resumed>) = 3 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] write(3, "1000", 4 [pid 5088] write(3, "1000", 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached [pid 5089] <... write resumed>) = 4 [pid 5088] <... write resumed>) = 4 [pid 5088] close(3 [pid 5089] close(3 [pid 5090] set_robust_list(0x55558a0856a0, 24 [pid 5089] <... close resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5090 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5088] <... close resumed>) = 0 [pid 5089] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5091 attached [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5089] <... futex resumed>) = 0 [pid 5088] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] set_robust_list(0x55558a0856a0, 24 [pid 5090] <... prctl resumed>) = 0 [pid 5089] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5088] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5091 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] setpgid(0, 0 [pid 5089] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5088] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... setpgid resumed>) = 0 [pid 5089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5088] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5091] <... prctl resumed>) = 0 [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] setpgid(0, 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5089] <... mmap resumed>) = 0x7f7b61773000 [pid 5091] <... setpgid resumed>) = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5087] <... bpf resumed>) = 5 [pid 5089] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5088] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5087] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... openat resumed>) = 3 [pid 5090] <... openat resumed>) = 3 [pid 5089] <... mprotect resumed>) = 0 [pid 5088] <... mprotect resumed>) = 0 [pid 5087] <... futex resumed>) = 1 [pid 5082] <... futex resumed>) = 0 [pid 5091] write(3, "1000", 4 [pid 5090] write(3, "1000", 4 [pid 5089] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5088] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5087] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] exit_group(0 [pid 5091] <... write resumed>) = 4 [pid 5090] <... write resumed>) = 4 [pid 5089] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5088] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5087] <... futex resumed>) = ? [pid 5082] <... exit_group resumed>) = ? [pid 5091] close(3 [pid 5090] close(3 [pid 5089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5087] +++ exited with 0 +++ [pid 5091] <... close resumed>) = 0 ./strace-static-x86_64: Process 5092 attached [pid 5091] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... close resumed>) = 0 ./strace-static-x86_64: Process 5093 attached [pid 5091] <... futex resumed>) = 0 [pid 5090] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... clone3 resumed> => {parent_tid=[5092]}, 88) = 5092 [pid 5093] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5092] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5091] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5090] <... futex resumed>) = 0 [pid 5093] <... rseq resumed>) = 0 [pid 5092] <... rseq resumed>) = 0 [pid 5091] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5090] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5089] rt_sigprocmask(SIG_SETMASK, [], [pid 5088] <... clone3 resumed> => {parent_tid=[5093]}, 88) = 5093 [pid 5082] +++ exited with 0 +++ [pid 5093] set_robust_list(0x7f7b617939a0, 24 [pid 5092] set_robust_list(0x7f7b617939a0, 24 [pid 5091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5090] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5088] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5089] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] <... futex resumed>) = 0 [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5089] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] <... mmap resumed>) = 0x7f7b61773000 [pid 5090] <... mmap resumed>) = 0x7f7b61773000 [pid 5088] <... futex resumed>) = 0 [pid 5090] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5093] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5091] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5088] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5093] <... bpf resumed>) = 3 [pid 5091] <... mprotect resumed>) = 0 [pid 5090] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5094 attached [pid 5094] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5090] <... clone3 resumed> => {parent_tid=[5094]}, 88) = 5094 ./strace-static-x86_64: Process 5095 attached [pid 5094] <... rseq resumed>) = 0 [pid 5093] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] rt_sigprocmask(SIG_SETMASK, [], [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] set_robust_list(0x55558a0856a0, 24 [pid 5094] set_robust_list(0x7f7b617939a0, 24 [pid 5093] <... futex resumed>) = 0 [pid 5092] <... bpf resumed>) = 3 [pid 5091] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5090] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] rt_sigprocmask(SIG_SETMASK, [], [pid 5093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5092] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5088] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5095 [pid 5095] <... prctl resumed>) = 0 [pid 5094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] <... futex resumed>) = 1 [pid 5091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5090] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] <... futex resumed>) = 0 [pid 5088] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5096 attached [pid 5095] setpgid(0, 0 [pid 5094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5093] <... bpf resumed>) = 4 [pid 5092] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5095] <... setpgid resumed>) = 0 [pid 5094] <... bpf resumed>) = 3 [pid 5089] <... futex resumed>) = 0 [pid 5096] <... rseq resumed>) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] set_robust_list(0x7f7b617939a0, 24 [pid 5095] <... openat resumed>) = 3 [pid 5094] <... futex resumed>) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5090] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] <... clone3 resumed> => {parent_tid=[5096]}, 88) = 5096 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] write(3, "1000", 4 [pid 5094] <... bpf resumed>) = 4 [pid 5093] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], [pid 5090] <... futex resumed>) = 0 [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] <... write resumed>) = 4 [pid 5094] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = 1 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... futex resumed>) = 0 [pid 5096] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] close(3 [pid 5094] <... futex resumed>) = 0 [pid 5093] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5088] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... close resumed>) = 0 [pid 5094] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] <... bpf resumed>) = 4 [pid 5091] <... futex resumed>) = 0 [pid 5090] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... futex resumed>) = 0 [pid 5096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5095] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5092] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... futex resumed>) = 0 [pid 5088] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5096] <... bpf resumed>) = 3 [pid 5095] <... futex resumed>) = 0 [pid 5094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5092] <... futex resumed>) = 1 [pid 5090] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5089] <... futex resumed>) = 0 [pid 5093] <... bpf resumed>) = 5 [pid 5096] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5094] <... bpf resumed>) = 5 [pid 5092] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 1 [pid 5095] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5094] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = 0 [pid 5096] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5094] <... futex resumed>) = 1 [pid 5092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5091] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 [pid 5089] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] exit_group(0 [pid 5096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5094] <... futex resumed>) = ? [pid 5093] <... futex resumed>) = 1 [pid 5092] <... bpf resumed>) = 5 [pid 5091] <... futex resumed>) = 0 [pid 5090] <... exit_group resumed>) = ? [pid 5088] <... futex resumed>) = 0 [pid 5096] <... bpf resumed>) = 4 [pid 5095] <... mmap resumed>) = 0x7f7b61773000 [pid 5094] +++ exited with 0 +++ [pid 5093] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] exit_group(0 [pid 5096] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5093] <... futex resumed>) = ? [pid 5092] <... futex resumed>) = 1 [pid 5090] +++ exited with 0 +++ [pid 5089] <... futex resumed>) = 0 [pid 5088] <... exit_group resumed>) = ? [pid 5096] <... futex resumed>) = 1 [pid 5095] <... mprotect resumed>) = 0 [pid 5093] +++ exited with 0 +++ [pid 5092] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] <... futex resumed>) = 0 [pid 5089] exit_group(0 [pid 5096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5092] <... futex resumed>) = ? [pid 5091] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... exit_group resumed>) = ? [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] <... bpf resumed>) = 5 [pid 5092] +++ exited with 0 +++ [pid 5091] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5091] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5096] <... futex resumed>) = 0 [pid 5095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] exit_group(0 [pid 5096] <... futex resumed>) = ? [pid 5091] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5097 attached ./strace-static-x86_64: Process 5098 attached [pid 5096] +++ exited with 0 +++ [pid 5095] <... clone3 resumed> => {parent_tid=[5097]}, 88) = 5097 [pid 5088] +++ exited with 0 +++ [pid 5098] set_robust_list(0x55558a0856a0, 24 [pid 5097] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5095] rt_sigprocmask(SIG_SETMASK, [], [pid 5098] <... set_robust_list resumed>) = 0 [pid 5097] <... rseq resumed>) = 0 [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] set_robust_list(0x7f7b617939a0, 24 [pid 5095] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5098 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5095] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... prctl resumed>) = 0 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] setpgid(0, 0 [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5098] <... setpgid resumed>) = 0 [pid 5097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5099 attached [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] <... bpf resumed>) = 3 [pid 5099] set_robust_list(0x55558a0856a0, 24 [pid 5097] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5097] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5099 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5095] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... openat resumed>) = 3 [pid 5097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5099] setpgid(0, 0 [pid 5098] write(3, "1000", 4 [pid 5095] <... futex resumed>) = 0 [pid 5091] +++ exited with 0 +++ [pid 5089] +++ exited with 0 +++ [pid 5099] <... setpgid resumed>) = 0 [pid 5098] <... write resumed>) = 4 [pid 5095] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] close(3 [pid 5097] <... bpf resumed>) = 4 [pid 5098] <... close resumed>) = 0 [pid 5097] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5099] <... openat resumed>) = 3 [pid 5098] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] write(3, "1000", 4 [pid 5098] <... futex resumed>) = 0 [pid 5097] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5099] <... write resumed>) = 4 [pid 5099] close(3) = 0 [pid 5099] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, ./strace-static-x86_64: Process 5101 attached ./strace-static-x86_64: Process 5100 attached [pid 5097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5098] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5101 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5100 [pid 5100] set_robust_list(0x55558a0856a0, 24 [pid 5099] <... futex resumed>) = 0 [pid 5098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5095] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5101] set_robust_list(0x55558a0856a0, 24 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5098] <... mmap resumed>) = 0x7f7b61773000 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... prctl resumed>) = 0 [pid 5099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5098] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5101] <... prctl resumed>) = 0 [pid 5100] setpgid(0, 0 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5098] <... mprotect resumed>) = 0 [pid 5097] <... bpf resumed>) = 5 [pid 5099] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5101] setpgid(0, 0 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] <... mprotect resumed>) = 0 [pid 5097] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... setpgid resumed>) = 0 [pid 5098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5098] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5097] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5102 attached [pid 5099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5102] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5101] <... openat resumed>) = 3 [pid 5099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5098] <... clone3 resumed> => {parent_tid=[5102]}, 88) = 5102 [pid 5097] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] exit_group(0 [pid 5100] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5103 attached [pid 5102] <... rseq resumed>) = 0 [pid 5101] write(3, "1000", 4 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], [pid 5097] <... futex resumed>) = ? [pid 5095] <... exit_group resumed>) = ? [pid 5103] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5102] set_robust_list(0x7f7b617939a0, 24 [pid 5101] <... write resumed>) = 4 [pid 5100] write(3, "1000", 4 [pid 5099] <... clone3 resumed> => {parent_tid=[5103]}, 88) = 5103 [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] +++ exited with 0 +++ [pid 5103] <... rseq resumed>) = 0 [pid 5102] <... set_robust_list resumed>) = 0 [pid 5101] close(3 [pid 5099] rt_sigprocmask(SIG_SETMASK, [], [pid 5098] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... write resumed>) = 4 [pid 5103] set_robust_list(0x7f7b617939a0, 24 [pid 5102] rt_sigprocmask(SIG_SETMASK, [], [pid 5101] <... close resumed>) = 0 [pid 5100] close(3 [pid 5099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5098] <... futex resumed>) = 0 [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5101] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5102] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5100] <... close resumed>) = 0 [pid 5099] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] +++ exited with 0 +++ [pid 5103] rt_sigprocmask(SIG_SETMASK, [], [pid 5102] <... futex resumed>) = 0 [pid 5101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5100] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5102] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5100] <... futex resumed>) = 0 [pid 5098] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5103] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5098] <... futex resumed>) = 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5103] <... bpf resumed>) = 3 [pid 5100] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5098] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... restart_syscall resumed>) = 0 [pid 5103] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5103] <... futex resumed>) = 1 [pid 5101] <... mmap resumed>) = 0x7f7b61773000 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5103] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... mprotect resumed>) = 0 [pid 5100] <... mmap resumed>) = 0x7f7b61773000 [pid 5099] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5102] <... bpf resumed>) = 4 [pid 5100] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5099] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5104 attached [pid 5101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5100] <... mprotect resumed>) = 0 [pid 5104] set_robust_list(0x55558a0856a0, 24 [pid 5103] <... bpf resumed>) = 4 [pid 5102] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5104 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 1 [pid 5101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5098] <... futex resumed>) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5103] <... futex resumed>) = 1 [pid 5102] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5099] <... futex resumed>) = 0 [pid 5098] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5106 attached ./strace-static-x86_64: Process 5105 attached [pid 5104] <... prctl resumed>) = 0 [pid 5103] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = 0 [pid 5106] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5105] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5104] setpgid(0, 0 [pid 5103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5102] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5101] <... clone3 resumed> => {parent_tid=[5105]}, 88) = 5105 [pid 5100] <... clone3 resumed> => {parent_tid=[5106]}, 88) = 5106 [pid 5099] <... futex resumed>) = 0 [pid 5098] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5106] <... rseq resumed>) = 0 [pid 5105] <... rseq resumed>) = 0 [pid 5104] <... setpgid resumed>) = 0 [pid 5103] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5101] rt_sigprocmask(SIG_SETMASK, [], [pid 5099] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5106] set_robust_list(0x7f7b617939a0, 24 [pid 5105] set_robust_list(0x7f7b617939a0, 24 [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5101] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] rt_sigprocmask(SIG_SETMASK, [], [pid 5105] rt_sigprocmask(SIG_SETMASK, [], [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5101] <... futex resumed>) = 0 [pid 5102] <... bpf resumed>) = 5 [pid 5106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] <... openat resumed>) = 3 [pid 5103] <... bpf resumed>) = 5 [pid 5101] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5106] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5104] write(3, "1000", 4 [pid 5102] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... bpf resumed>) = 3 [pid 5104] <... write resumed>) = 4 [pid 5103] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 1 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5098] <... futex resumed>) = 0 [pid 5105] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] close(3 [pid 5103] <... futex resumed>) = 1 [pid 5102] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = 0 [pid 5098] exit_group(0 [pid 5106] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = 1 [pid 5104] <... close resumed>) = 0 [pid 5103] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] <... futex resumed>) = ? [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 1 [pid 5099] exit_group(0 [pid 5098] <... exit_group resumed>) = ? [pid 5106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5105] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5104] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = ? [pid 5102] +++ exited with 0 +++ [pid 5101] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... exit_group resumed>) = ? [pid 5106] <... bpf resumed>) = 3 [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] <... futex resumed>) = 0 [pid 5103] +++ exited with 0 +++ [pid 5101] <... futex resumed>) = 0 [pid 5106] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5104] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5101] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5100] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5105] <... bpf resumed>) = 4 [pid 5104] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5105] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... bpf resumed>) = 4 [pid 5105] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5101] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 1 [pid 5104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5101] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5100] <... futex resumed>) = 0 [pid 5106] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] <... mmap resumed>) = 0x7f7b61773000 [pid 5106] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5104] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5100] <... futex resumed>) = 0 [pid 5105] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5104] <... mprotect resumed>) = 0 [pid 5100] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5104] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} => {parent_tid=[5107]}, 88) = 5107 ./strace-static-x86_64: Process 5107 attached [pid 5104] rt_sigprocmask(SIG_SETMASK, [], [pid 5107] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5107] <... rseq resumed>) = 0 [pid 5104] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] set_robust_list(0x7f7b617939a0, 24 [pid 5104] <... futex resumed>) = 0 [pid 5098] +++ exited with 0 +++ [pid 5104] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... set_robust_list resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5107] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5099] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5107] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5104] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached [pid 5107] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5104] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] set_robust_list(0x55558a0856a0, 24 [pid 5107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5108] <... set_robust_list resumed>) = 0 [pid 5107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5104] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5109 attached [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5107] <... bpf resumed>) = 4 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5108 [pid 5109] set_robust_list(0x55558a0856a0, 24 [pid 5108] <... prctl resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5109 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5108] setpgid(0, 0 [pid 5107] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5108] <... setpgid resumed>) = 0 [pid 5107] <... futex resumed>) = 1 [pid 5109] <... prctl resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5107] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5104] <... futex resumed>) = 0 [pid 5109] setpgid(0, 0 [pid 5108] <... openat resumed>) = 3 [pid 5104] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... setpgid resumed>) = 0 [pid 5108] write(3, "1000", 4 [pid 5107] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 1 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] <... write resumed>) = 4 [pid 5107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5104] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5109] <... openat resumed>) = 3 [pid 5108] close(3 [pid 5109] write(3, "1000", 4 [pid 5108] <... close resumed>) = 0 [pid 5108] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... write resumed>) = 4 [pid 5108] <... futex resumed>) = 0 [pid 5109] close(3) = 0 [pid 5108] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5109] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5106] <... bpf resumed>) = 5 [pid 5105] <... bpf resumed>) = 5 [pid 5109] <... futex resumed>) = 0 [pid 5108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5107] <... bpf resumed>) = 5 [pid 5106] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5107] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... futex resumed>) = 1 [pid 5105] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5109] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5107] <... futex resumed>) = 1 [pid 5106] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5104] <... futex resumed>) = 0 [pid 5101] exit_group(0 [pid 5100] exit_group(0 [pid 5109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5108] <... mmap resumed>) = 0x7f7b61773000 [pid 5107] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5104] exit_group(0 [pid 5109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5108] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5107] <... futex resumed>) = ? [pid 5106] <... futex resumed>) = ? [pid 5105] <... futex resumed>) = ? [pid 5104] <... exit_group resumed>) = ? [pid 5101] <... exit_group resumed>) = ? [pid 5100] <... exit_group resumed>) = ? [pid 5109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5108] <... mprotect resumed>) = 0 [pid 5107] +++ exited with 0 +++ [pid 5105] +++ exited with 0 +++ [pid 5109] <... mmap resumed>) = 0x7f7b61773000 [pid 5109] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5104] +++ exited with 0 +++ [pid 5109] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5108] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5106] +++ exited with 0 +++ [pid 5101] +++ exited with 0 +++ [pid 5100] +++ exited with 0 +++ [pid 5109] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5108] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5111 attached ./strace-static-x86_64: Process 5110 attached [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5112 attached [pid 5111] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5110] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5109] <... clone3 resumed> => {parent_tid=[5110]}, 88) = 5110 [pid 5108] <... clone3 resumed> => {parent_tid=[5111]}, 88) = 5111 [pid 5112] set_robust_list(0x55558a0856a0, 24 [pid 5111] <... rseq resumed>) = 0 [pid 5110] <... rseq resumed>) = 0 [pid 5109] rt_sigprocmask(SIG_SETMASK, [], [pid 5108] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5112 ./strace-static-x86_64: Process 5113 attached ./strace-static-x86_64: Process 5114 attached [pid 5112] <... set_robust_list resumed>) = 0 [pid 5111] set_robust_list(0x7f7b617939a0, 24 [pid 5110] set_robust_list(0x7f7b617939a0, 24 [pid 5109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5113] set_robust_list(0x55558a0856a0, 24 [pid 5114] set_robust_list(0x55558a0856a0, 24 [pid 5111] <... set_robust_list resumed>) = 0 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5109] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5110] rt_sigprocmask(SIG_SETMASK, [], [pid 5109] <... futex resumed>) = 0 [pid 5108] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5114 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5113 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5111] rt_sigprocmask(SIG_SETMASK, [], [pid 5110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5109] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] <... futex resumed>) = 0 [pid 5113] <... prctl resumed>) = 0 [pid 5114] <... prctl resumed>) = 0 [pid 5113] setpgid(0, 0 [pid 5114] setpgid(0, 0 [pid 5111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5112] <... prctl resumed>) = 0 [pid 5108] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] <... setpgid resumed>) = 0 [pid 5114] <... setpgid resumed>) = 0 [pid 5112] setpgid(0, 0 [pid 5111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5110] <... bpf resumed>) = 3 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] <... setpgid resumed>) = 0 [pid 5110] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... bpf resumed>) = 3 [pid 5111] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 0 [pid 5113] <... openat resumed>) = 3 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = 1 [pid 5109] <... futex resumed>) = 0 [pid 5108] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] write(3, "1000", 4 [pid 5114] <... openat resumed>) = 3 [pid 5112] <... openat resumed>) = 3 [pid 5111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5109] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 0 [pid 5113] <... write resumed>) = 4 [pid 5114] write(3, "1000", 4 [pid 5112] write(3, "1000", 4 [pid 5111] <... bpf resumed>) = 4 [pid 5113] close(3) = 0 [pid 5113] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5114] <... write resumed>) = 4 [pid 5112] <... write resumed>) = 4 [pid 5111] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... bpf resumed>) = 4 [pid 5109] <... futex resumed>) = 0 [pid 5108] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5114] close(3 [pid 5112] close(3 [pid 5111] <... futex resumed>) = 0 [pid 5110] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5114] <... close resumed>) = 0 [pid 5112] <... close resumed>) = 0 [pid 5111] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] <... futex resumed>) = 0 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5114] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 0 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5114] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] <... futex resumed>) = 0 [pid 5108] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5113] <... mmap resumed>) = 0x7f7b61773000 [pid 5110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5109] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5113] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5111] <... bpf resumed>) = 5 [pid 5110] <... bpf resumed>) = 5 [pid 5112] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5113] <... mprotect resumed>) = 0 [pid 5114] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5114] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5110] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5112] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5111] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... futex resumed>) = 1 [pid 5109] <... futex resumed>) = 0 [pid 5113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5111] <... futex resumed>) = 1 [pid 5110] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] exit_group(0 [pid 5108] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5116 attached [pid 5114] <... mmap resumed>) = 0x7f7b61773000 [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5111] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] <... futex resumed>) = ? [pid 5109] <... exit_group resumed>) = ? [pid 5108] exit_group(0 [pid 5116] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5113] <... clone3 resumed> => {parent_tid=[5116]}, 88) = 5116 [pid 5114] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5111] <... futex resumed>) = ? [pid 5110] +++ exited with 0 +++ [pid 5108] <... exit_group resumed>) = ? [pid 5116] <... rseq resumed>) = 0 [pid 5113] rt_sigprocmask(SIG_SETMASK, [], [pid 5112] <... mmap resumed>) = 0x7f7b61773000 [pid 5109] +++ exited with 0 +++ [pid 5116] set_robust_list(0x7f7b617939a0, 24 [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5111] +++ exited with 0 +++ [pid 5113] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... mprotect resumed>) = 0 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5112] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5116] rt_sigprocmask(SIG_SETMASK, [], [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5112] <... mprotect resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5108] +++ exited with 0 +++ [pid 5073] <... restart_syscall resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5112] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5116] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5117 attached [pid 5116] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5116] <... futex resumed>) = 1 [pid 5112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached [pid 5117] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5116] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = 0 [pid 5114] <... clone3 resumed> => {parent_tid=[5117]}, 88) = 5117 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5118] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5112] <... clone3 resumed> => {parent_tid=[5118]}, 88) = 5118 [pid 5117] <... rseq resumed>) = 0 [pid 5113] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5117] set_robust_list(0x7f7b617939a0, 24 [pid 5116] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 1 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5118] <... rseq resumed>) = 0 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5113] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5120 attached ./strace-static-x86_64: Process 5119 attached [pid 5118] set_robust_list(0x7f7b617939a0, 24 [pid 5117] rt_sigprocmask(SIG_SETMASK, [], [pid 5114] <... futex resumed>) = 0 [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] set_robust_list(0x55558a0856a0, 24 [pid 5119] set_robust_list(0x55558a0856a0, 24 [pid 5118] <... set_robust_list resumed>) = 0 [pid 5117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5116] <... bpf resumed>) = 4 [pid 5114] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... set_robust_list resumed>) = 0 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] rt_sigprocmask(SIG_SETMASK, [], [pid 5116] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5119 [pid 5117] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5120 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] <... bpf resumed>) = 3 [pid 5116] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5112] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... prctl resumed>) = 0 [pid 5118] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5116] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... prctl resumed>) = 0 [pid 5120] setpgid(0, 0 [pid 5119] setpgid(0, 0 [pid 5118] <... bpf resumed>) = 3 [pid 5117] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5120] <... setpgid resumed>) = 0 [pid 5119] <... setpgid resumed>) = 0 [pid 5117] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5114] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5118] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5114] <... futex resumed>) = 0 [pid 5119] <... openat resumed>) = 3 [pid 5118] <... futex resumed>) = 1 [pid 5116] <... bpf resumed>) = 5 [pid 5112] <... futex resumed>) = 0 [pid 5120] <... openat resumed>) = 3 [pid 5118] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5114] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] write(3, "1000", 4 [pid 5119] write(3, "1000", 4 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... write resumed>) = 4 [pid 5119] <... write resumed>) = 4 [pid 5118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5112] <... futex resumed>) = 0 [pid 5120] close(3 [pid 5119] close(3 [pid 5117] <... bpf resumed>) = 4 [pid 5116] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5112] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] <... bpf resumed>) = 4 [pid 5120] <... close resumed>) = 0 [pid 5119] <... close resumed>) = 0 [pid 5118] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] exit_group(0 [pid 5117] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = ? [pid 5113] <... exit_group resumed>) = ? [pid 5120] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = 0 [pid 5116] +++ exited with 0 +++ [pid 5120] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5119] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5118] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5120] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5119] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5117] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5113] +++ exited with 0 +++ [pid 5114] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5118] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 1 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5118] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5114] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5112] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5120] <... mmap resumed>) = 0x7f7b61773000 [pid 5119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5120] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5119] <... mmap resumed>) = 0x7f7b61773000 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5120] <... mprotect resumed>) = 0 [pid 5119] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5119] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5121 attached [pid 5119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5121] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 ./strace-static-x86_64: Process 5123 attached ./strace-static-x86_64: Process 5122 attached [pid 5121] set_robust_list(0x7f7b617939a0, 24 [pid 5120] <... clone3 resumed> => {parent_tid=[5121]}, 88) = 5121 [pid 5119] <... clone3 resumed> => {parent_tid=[5122]}, 88) = 5122 [pid 5123] set_robust_list(0x55558a0856a0, 24 [pid 5122] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], [pid 5119] rt_sigprocmask(SIG_SETMASK, [], [pid 5121] rt_sigprocmask(SIG_SETMASK, [], [pid 5122] <... rseq resumed>) = 0 [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] set_robust_list(0x7f7b617939a0, 24 [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... bpf resumed>) = 5 [pid 5121] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... bpf resumed>) = 5 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5123 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [pid 5118] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... prctl resumed>) = 0 [pid 5122] rt_sigprocmask(SIG_SETMASK, [], [pid 5121] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5120] <... futex resumed>) = 0 [pid 5119] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] <... futex resumed>) = 1 [pid 5117] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5123] setpgid(0, 0 [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] exit_group(0 [pid 5123] <... setpgid resumed>) = 0 [pid 5122] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5121] <... bpf resumed>) = 3 [pid 5118] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... futex resumed>) = ? [pid 5114] <... exit_group resumed>) = ? [pid 5112] exit_group(0 [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] <... bpf resumed>) = 3 [pid 5121] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = ? [pid 5117] +++ exited with 0 +++ [pid 5112] <... exit_group resumed>) = ? [pid 5123] <... openat resumed>) = 3 [pid 5122] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5118] +++ exited with 0 +++ [pid 5123] write(3, "1000", 4 [pid 5122] <... futex resumed>) = 1 [pid 5120] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... write resumed>) = 4 [pid 5122] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] <... futex resumed>) = 0 [pid 5123] close(3 [pid 5120] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... close resumed>) = 0 [pid 5121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5119] <... futex resumed>) = 0 [pid 5123] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = 0 [pid 5121] <... bpf resumed>) = 4 [pid 5119] <... futex resumed>) = 1 [pid 5123] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5119] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5122] <... bpf resumed>) = 4 [pid 5121] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5122] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = 1 [pid 5123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5122] <... futex resumed>) = 1 [pid 5121] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] <... futex resumed>) = 0 [pid 5123] <... mmap resumed>) = 0x7f7b61773000 [pid 5122] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] <... futex resumed>) = 0 [pid 5119] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [pid 5114] +++ exited with 0 +++ [pid 5123] <... mprotect resumed>) = 0 [pid 5122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5121] <... futex resumed>) = 0 [pid 5120] <... futex resumed>) = 1 [pid 5119] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5112] +++ exited with 0 +++ [pid 5121] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5120] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5124 attached [pid 5123] <... clone3 resumed> => {parent_tid=[5124]}, 88) = 5124 ./strace-static-x86_64: Process 5125 attached [pid 5124] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5125 [pid 5124] <... rseq resumed>) = 0 [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5124] rt_sigprocmask(SIG_SETMASK, [], [pid 5123] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] set_robust_list(0x55558a0856a0, 24 [pid 5124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5125] <... set_robust_list resumed>) = 0 [pid 5124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5124] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5126 attached [pid 5122] <... bpf resumed>) = 5 [pid 5121] <... bpf resumed>) = 5 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5126 [pid 5125] setpgid(0, 0) = 0 [pid 5126] set_robust_list(0x55558a0856a0, 24 [pid 5124] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5126] <... set_robust_list resumed>) = 0 [pid 5124] <... futex resumed>) = 1 [pid 5123] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = 0 [pid 5125] <... openat resumed>) = 3 [pid 5124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5123] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] exit_group(0 [pid 5119] exit_group(0 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5125] write(3, "1000", 4 [pid 5126] <... prctl resumed>) = 0 [pid 5124] <... bpf resumed>) = 4 [pid 5123] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = ? [pid 5121] <... futex resumed>) = ? [pid 5120] <... exit_group resumed>) = ? [pid 5119] <... exit_group resumed>) = ? [pid 5125] <... write resumed>) = 4 [pid 5126] setpgid(0, 0 [pid 5124] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] +++ exited with 0 +++ [pid 5125] close(3 [pid 5124] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] <... close resumed>) = 0 [pid 5124] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5123] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5123] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5124] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5123] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5125] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5124] <... bpf resumed>) = 5 [pid 5125] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5124] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5124] <... futex resumed>) = 1 [pid 5123] <... futex resumed>) = 0 [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5124] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5123] exit_group(0 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5124] <... futex resumed>) = ? [pid 5123] <... exit_group resumed>) = ? [pid 5125] <... mmap resumed>) = 0x7f7b61773000 [pid 5124] +++ exited with 0 +++ [pid 5125] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5125] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} => {parent_tid=[5127]}, 88) = 5127 [pid 5125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5125] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5123] +++ exited with 0 +++ [pid 5125] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5128 attached [pid 5128] set_robust_list(0x55558a0856a0, 24) = 0 [ 74.541306][ T5121] [ 74.543710][ T5121] ============================================ [ 74.549897][ T5121] WARNING: possible recursive locking detected [ 74.556083][ T5121] 6.8.0-syzkaller-05236-g443574b03387 #0 Not tainted [ 74.562798][ T5121] -------------------------------------------- [ 74.568984][ T5121] syz-executor121/5121 is trying to acquire lock: [ 74.575404][ T5121] ffff88807f16d9f8 (&trie->lock){-.-.}-{2:2}, at: trie_delete_elem+0x96/0x6a0 [ 74.584319][ T5121] [ 74.584319][ T5121] but task is already holding lock: [ 74.591682][ T5121] ffff88801cb2d1f8 (&trie->lock){-.-.}-{2:2}, at: trie_delete_elem+0x96/0x6a0 [ 74.600588][ T5121] [ 74.600588][ T5121] other info that might help us debug this: [ 74.608671][ T5121] Possible unsafe locking scenario: [ 74.608671][ T5121] [ 74.616143][ T5121] CPU0 [ 74.619422][ T5121] ---- [ 74.622712][ T5121] lock(&trie->lock); [ 74.626785][ T5121] lock(&trie->lock); [ 74.630864][ T5121] [ 74.630864][ T5121] *** DEADLOCK *** [ 74.630864][ T5121] [ 74.639006][ T5121] May be due to missing lock nesting notation [ 74.639006][ T5121] [ 74.647320][ T5121] 4 locks held by syz-executor121/5121: [ 74.652862][ T5121] #0: ffff888022165088 (&child->perf_event_mutex){+.+.}-{3:3}, at: perf_event_exit_task+0x9b/0xaa0 [ 74.663681][ T5121] #1: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 [ 74.673107][ T5121] #2: ffff88801cb2d1f8 (&trie->lock){-.-.}-{2:2}, at: trie_delete_elem+0x96/0x6a0 [ 74.682464][ T5121] #3: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 [ 74.691883][ T5121] [ 74.691883][ T5121] stack backtrace: [ 74.697788][ T5121] CPU: 0 PID: 5121 Comm: syz-executor121 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 [ 74.707870][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 74.717935][ T5121] Call Trace: [ 74.721228][ T5121] [ 74.724176][ T5121] dump_stack_lvl+0x1e7/0x2e0 [ 74.728973][ T5121] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.734183][ T5121] ? print_deadlock_bug+0x479/0x620 [ 74.739398][ T5121] ? _find_first_zero_bit+0xd4/0x100 [ 74.744718][ T5121] validate_chain+0x15c1/0x58e0 [ 74.749591][ T5121] ? __pfx_validate_chain+0x10/0x10 [ 74.754800][ T5121] ? __pfx_validate_chain+0x10/0x10 [ 74.760017][ T5121] ? __pfx_validate_chain+0x10/0x10 [ 74.765226][ T5121] ? __pfx_validate_chain+0x10/0x10 [ 74.770436][ T5121] ? __pfx_validate_chain+0x10/0x10 [ 74.775644][ T5121] ? __pfx_validate_chain+0x10/0x10 [ 74.780846][ T5121] ? validate_chain+0x11b/0x58e0 [ 74.785798][ T5121] ? __pfx_validate_chain+0x10/0x10 [ 74.791009][ T5121] ? mark_lock+0x9a/0x350 [ 74.795371][ T5121] __lock_acquire+0x1346/0x1fd0 [ 74.800232][ T5121] lock_acquire+0x1e4/0x530 [ 74.804741][ T5121] ? trie_delete_elem+0x96/0x6a0 [ 74.809693][ T5121] ? __pfx_lock_acquire+0x10/0x10 [ 74.814718][ T5121] ? __lock_acquire+0x1346/0x1fd0 [ 74.819765][ T5121] _raw_spin_lock_irqsave+0xd5/0x120 [ 74.825059][ T5121] ? trie_delete_elem+0x96/0x6a0 [ 74.830006][ T5121] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 74.835911][ T5121] ? __pfx_lock_acquire+0x10/0x10 [ 74.840939][ T5121] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 74.846922][ T5121] trie_delete_elem+0x96/0x6a0 [ 74.851696][ T5121] ? __pfx___cant_migrate+0x10/0x10 [ 74.856901][ T5121] ? prandom_u32_state+0x1e/0x180 [ 74.861940][ T5121] bpf_prog_57115342e4867123+0x47/0x4b [ 74.867402][ T5121] bpf_trace_run2+0x204/0x420 [ 74.872101][ T5121] ? bpf_trace_run2+0x114/0x420 [ 74.877042][ T5121] ? __pfx_bpf_trace_run2+0x10/0x10 [ 74.882242][ T5121] ? validate_chain+0x11b/0x58e0 [ 74.887207][ T5121] ? mark_lock+0x9a/0x350 [ 74.891544][ T5121] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 74.897971][ T5121] __traceiter_contention_begin+0x7b/0xb0 [ 74.903707][ T5121] trace_contention_begin+0xf9/0x120 [ 74.909002][ T5121] __pv_queued_spin_lock_slowpath+0x115/0xc60 [ 74.915176][ T5121] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 74.921797][ T5121] queued_spin_lock_slowpath+0x42/0x50 [ 74.927305][ T5121] do_raw_spin_lock+0x272/0x370 [ 74.932204][ T5121] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 74.937610][ T5121] _raw_spin_lock_irqsave+0xe1/0x120 [ 74.942921][ T5121] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 74.948835][ T5121] ? __pfx_lock_acquire+0x10/0x10 [ 74.953883][ T5121] trie_delete_elem+0x96/0x6a0 [ 74.958667][ T5121] ? __pfx___cant_migrate+0x10/0x10 [ 74.963877][ T5121] ? prandom_u32_state+0x1e/0x180 [ 74.968915][ T5121] bpf_prog_57115342e4867123+0x47/0x4b [ 74.974382][ T5121] bpf_trace_run2+0x204/0x420 [ 74.979073][ T5121] ? bpf_trace_run2+0x114/0x420 [ 74.983926][ T5121] ? __pfx_bpf_trace_run2+0x10/0x10 [ 74.989131][ T5121] ? __pfx___might_resched+0x10/0x10 [ 74.994448][ T5121] ? __lock_acquire+0x1346/0x1fd0 [ 74.999484][ T5121] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 75.005919][ T5121] __traceiter_contention_begin+0x7b/0xb0 [ 75.011651][ T5121] trace_contention_begin+0xd7/0x100 [ 75.016954][ T5121] __mutex_lock+0x147/0xd70 [ 75.021470][ T5121] ? perf_event_exit_task+0x9b/0xaa0 [ 75.026777][ T5121] ? __pfx___mutex_lock+0x10/0x10 [ 75.031819][ T5121] perf_event_exit_task+0x9b/0xaa0 [ 75.036948][ T5121] ? __pfx_perf_event_exit_task+0x10/0x10 [ 75.042683][ T5121] ? do_raw_spin_lock+0x14f/0x370 [ 75.047719][ T5121] ? task_work_run+0x2c7/0x310 [ 75.052493][ T5121] ? __pfx_task_work_run+0x10/0x10 [ 75.057613][ T5121] ? rcu_is_watching+0x15/0xb0 [ 75.062384][ T5121] do_exit+0xa2b/0x27e0 [ 75.066569][ T5121] ? __pfx_do_exit+0x10/0x10 [ 75.071171][ T5121] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 75.076557][ T5121] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 75.082549][ T5121] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 75.088885][ T5121] ? _raw_spin_lock_irq+0xdf/0x120 [ 75.094026][ T5121] do_group_exit+0x207/0x2c0 [ 75.098624][ T5121] ? _raw_spin_unlock_irq+0x23/0x50 [ 75.103830][ T5121] ? lockdep_hardirqs_on+0x99/0x150 [ 75.109034][ T5121] get_signal+0x176e/0x1850 [ 75.113557][ T5121] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 75.119889][ T5121] ? __pfx_get_signal+0x10/0x10 [ 75.124755][ T5121] arch_do_signal_or_restart+0x96/0x860 [ 75.130326][ T5121] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 75.136517][ T5121] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 75.142514][ T5121] ? syscall_exit_to_user_mode+0xa3/0x360 [ 75.148240][ T5121] syscall_exit_to_user_mode+0xc9/0x360 [ 75.153798][ T5121] do_syscall_64+0x10a/0x240 [ 75.158400][ T5121] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.164395][ T5121] RIP: 0033:0x7f7b617d8759 [ 75.168811][ T5121] Code: Unable to access opcode bytes at 0x7f7b617d872f. [ 75.175826][ T5121] RSP: 002b:00007f7b61793238 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 75.184244][ T5121] RAX: fffffffffffffe00 RBX: 00007f7b61862328 RCX: 00007f7b617d8759 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5128] setpgid(0, 0) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5128 ./strace-static-x86_64: Process 5127 attached [pid 5128] <... openat resumed>) = 3 [pid 5125] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5126] <... setpgid resumed>) = 0 [pid 5121] +++ exited with 0 +++ [pid 5120] +++ exited with 0 +++ [pid 5119] +++ exited with 0 +++ [pid 5128] write(3, "1000", 4 [pid 5127] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5125] futex(0x7f7b6186233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=67 /* 0.67 s */} --- [pid 5128] <... write resumed>) = 4 [pid 5127] <... rseq resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5126] <... openat resumed>) = 3 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5128] close(3 [pid 5127] set_robust_list(0x7f7b617939a0, 24 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5126] write(3, "1000", 4 [pid 5128] <... close resumed>) = 0 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5125] <... mmap resumed>) = 0x7f7b61752000 [pid 5126] <... write resumed>) = 4 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5130 attached ./strace-static-x86_64: Process 5129 attached [pid 5128] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] rt_sigprocmask(SIG_SETMASK, [], [pid 5125] mprotect(0x7f7b61753000, 131072, PROT_READ|PROT_WRITE [pid 5126] close(3 [pid 5130] set_robust_list(0x55558a0856a0, 24 [pid 5129] set_robust_list(0x55558a0856a0, 24 [pid 5128] <... futex resumed>) = 0 [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5126] <... close resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5130 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5129 [pid 5130] <... set_robust_list resumed>) = 0 [pid 5129] <... set_robust_list resumed>) = 0 [pid 5128] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5125] <... mprotect resumed>) = 0 [pid 5126] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5128] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5127] <... bpf resumed>) = 3 [pid 5126] <... futex resumed>) = 0 [pid 5130] <... prctl resumed>) = 0 [pid 5129] <... prctl resumed>) = 0 [pid 5128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5127] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5126] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5130] setpgid(0, 0 [pid 5129] setpgid(0, 0 [pid 5128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] <... futex resumed>) = 0 [pid 5125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5126] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5130] <... setpgid resumed>) = 0 [pid 5129] <... setpgid resumed>) = 0 [pid 5128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5127] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61772990, parent_tid=0x7f7b61772990, exit_signal=0, stack=0x7f7b61752000, stack_size=0x20300, tls=0x7f7b617726c0} [pid 5126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5128] <... mmap resumed>) = 0x7f7b61773000 [pid 5126] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5131 attached [pid 5130] <... openat resumed>) = 3 [pid 5129] <... openat resumed>) = 3 [pid 5128] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5131] rseq(0x7f7b61772fe0, 0x20, 0, 0x53053053 [pid 5130] write(3, "1000", 4 [pid 5129] write(3, "1000", 4 [pid 5128] <... mprotect resumed>) = 0 [pid 5125] <... clone3 resumed> => {parent_tid=[5131]}, 88) = 5131 [pid 5126] <... mmap resumed>) = 0x7f7b61773000 [pid 5131] <... rseq resumed>) = 0 [pid 5130] <... write resumed>) = 4 [pid 5129] <... write resumed>) = 4 [pid 5128] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5125] rt_sigprocmask(SIG_SETMASK, [], [pid 5126] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5131] set_robust_list(0x7f7b617729a0, 24 [pid 5130] close(3 [pid 5129] close(3 [pid 5128] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5126] <... mprotect resumed>) = 0 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5130] <... close resumed>) = 0 [pid 5129] <... close resumed>) = 0 [pid 5128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5125] futex(0x7f7b61862338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5132 attached [pid 5131] rt_sigprocmask(SIG_SETMASK, [], [pid 5130] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [pid 5126] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5132] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5129] <... futex resumed>) = 0 [pid 5128] <... clone3 resumed> => {parent_tid=[5132]}, 88) = 5132 [pid 5125] futex(0x7f7b6186233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5133 attached [pid 5132] <... rseq resumed>) = 0 [pid 5131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5130] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5129] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5128] rt_sigprocmask(SIG_SETMASK, [], [pid 5133] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5132] set_robust_list(0x7f7b617939a0, 24 [pid 5131] <... bpf resumed>) = 4 [pid 5130] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5129] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5126] <... clone3 resumed> => {parent_tid=[5133]}, 88) = 5133 [pid 5133] <... rseq resumed>) = 0 [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] futex(0x7f7b6186233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5128] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] rt_sigprocmask(SIG_SETMASK, [], [pid 5133] set_robust_list(0x7f7b617939a0, 24 [pid 5132] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] <... futex resumed>) = 1 [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] futex(0x7f7b61862338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5128] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] rt_sigprocmask(SIG_SETMASK, [], [pid 5132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5130] <... mmap resumed>) = 0x7f7b61773000 [pid 5129] <... mmap resumed>) = 0x7f7b61773000 [pid 5126] <... futex resumed>) = 0 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5125] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5132] <... bpf resumed>) = 3 [pid 5130] <... mprotect resumed>) = 0 [pid 5129] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5127] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = 1 [pid 5133] <... bpf resumed>) = 3 [pid 5132] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5129] <... mprotect resumed>) = 0 [pid 5127] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5125] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [ 75.192218][ T5121] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7b61862328 [ 75.200191][ T5121] RBP: 00007f7b61862320 R08: 0000000000000000 R09: 0000000000000000 [ 75.208256][ T5121] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffb0 [ 75.216229][ T5121] R13: 0000000000000000 R14: 00007ffe3b71de00 R15: 00007ffe3b71dee8 [ 75.224214][ T5121] [pid 5133] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... bpf resumed>) = 5 [pid 5133] <... futex resumed>) = 1 [pid 5130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5127] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = 0 [pid 5133] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5127] <... futex resumed>) = 0 [pid 5126] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5134 attached [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] <... futex resumed>) = 1 [pid 5129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5128] <... futex resumed>) = 0 [pid 5127] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5126] <... futex resumed>) = 0 [pid 5134] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5130] <... clone3 resumed> => {parent_tid=[5134]}, 88) = 5134 [pid 5128] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] exit_group(0 [pid 5126] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114./strace-static-x86_64: Process 5135 attached [pid 5134] <... rseq resumed>) = 0 [pid 5133] <... bpf resumed>) = 4 [pid 5131] <... futex resumed>) = ? [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] <... futex resumed>) = 0 [pid 5127] <... futex resumed>) = ? [pid 5125] <... exit_group resumed>) = ? [pid 5134] set_robust_list(0x7f7b617939a0, 24 [pid 5133] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] +++ exited with 0 +++ [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] <... clone3 resumed> => {parent_tid=[5135]}, 88) = 5135 [pid 5128] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] +++ exited with 0 +++ [pid 5134] <... set_robust_list resumed>) = 0 [pid 5133] <... futex resumed>) = 1 [pid 5130] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] rt_sigprocmask(SIG_SETMASK, [], [pid 5126] <... futex resumed>) = 0 [pid 5134] rt_sigprocmask(SIG_SETMASK, [], [pid 5133] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] <... futex resumed>) = 0 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5126] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5130] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = 0 [pid 5135] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5134] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5129] <... futex resumed>) = 0 [pid 5126] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5135] <... rseq resumed>) = 0 [pid 5134] <... bpf resumed>) = 3 [pid 5133] <... bpf resumed>) = 5 [pid 5129] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] set_robust_list(0x7f7b617939a0, 24 [pid 5134] <... futex resumed>) = 1 [pid 5133] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 0 [pid 5132] <... bpf resumed>) = 4 [pid 5135] <... set_robust_list resumed>) = 0 [pid 5134] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... futex resumed>) = 1 [pid 5132] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = 0 [pid 5135] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] <... futex resumed>) = 1 [pid 5130] <... futex resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5126] exit_group(0 [pid 5135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5132] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... exit_group resumed>) = ? [pid 5133] <... futex resumed>) = ? [pid 5130] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5134] <... bpf resumed>) = 4 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5128] <... futex resumed>) = 0 [pid 5135] <... bpf resumed>) = 3 [pid 5132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5128] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5135] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = 1 [pid 5134] <... futex resumed>) = 1 [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5135] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5130] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5129] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5135] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 1 [pid 5135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5129] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... bpf resumed>) = 4 [pid 5135] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... futex resumed>) = 0 [pid 5129] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5135] <... futex resumed>) = 1 [pid 5129] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 5134] <... bpf resumed>) = 5 [pid 5133] +++ exited with 0 +++ [pid 5132] <... bpf resumed>) = 5 [pid 5125] +++ exited with 0 +++ [pid 5126] +++ exited with 0 +++ [pid 5135] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = 1 [pid 5134] <... futex resumed>) = 1 [pid 5132] <... futex resumed>) = 1 [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5135] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] exit_group(0 [pid 5129] exit_group(0 [pid 5128] exit_group(0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5135] <... futex resumed>) = ? [pid 5134] <... futex resumed>) = ? [pid 5132] <... futex resumed>) = ? [pid 5130] <... exit_group resumed>) = ? [pid 5129] <... exit_group resumed>) = ? [pid 5128] <... exit_group resumed>) = ? [pid 5076] <... restart_syscall resumed>) = 0 [pid 5135] +++ exited with 0 +++ [pid 5134] +++ exited with 0 +++ [pid 5132] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5128] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5136 attached ./strace-static-x86_64: Process 5137 attached [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5136 [pid 5136] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5137] set_robust_list(0x55558a0856a0, 24 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5137] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5138 attached [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5137 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5138] set_robust_list(0x55558a0856a0, 24 [pid 5137] setpgid(0, 0 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5137] <... setpgid resumed>) = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5136] <... prctl resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5138 [pid 5138] <... prctl resumed>) = 0 [pid 5138] setpgid(0, 0 [pid 5130] +++ exited with 0 +++ [pid 5138] <... setpgid resumed>) = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5138] <... openat resumed>) = 3 [pid 5136] setpgid(0, 0 [pid 5129] +++ exited with 0 +++ [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5136] <... setpgid resumed>) = 0 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5138] write(3, "1000", 4./strace-static-x86_64: Process 5139 attached [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5137] <... openat resumed>) = 3 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5137] write(3, "1000", 4 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5138] <... write resumed>) = 4 [pid 5139] set_robust_list(0x55558a0856a0, 24 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5137] <... write resumed>) = 4 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5138] close(3 [pid 5136] <... openat resumed>) = 3 [pid 5137] close(3 [pid 5138] <... close resumed>) = 0 [pid 5137] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5140 attached [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5138] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] write(3, "1000", 4 [pid 5137] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5139 [pid 5137] <... futex resumed>) = 0 [pid 5140] set_robust_list(0x55558a0856a0, 24 [pid 5137] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5140] <... set_robust_list resumed>) = 0 [pid 5137] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5140 [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5140] <... prctl resumed>) = 0 [pid 5137] <... mmap resumed>) = 0x7f7b61773000 [pid 5140] setpgid(0, 0 [pid 5137] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5140] <... setpgid resumed>) = 0 [pid 5137] <... mprotect resumed>) = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5140] <... openat resumed>) = 3 [pid 5137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5141 attached [pid 5139] <... prctl resumed>) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5136] <... write resumed>) = 4 [pid 5141] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5140] write(3, "1000", 4 [pid 5139] setpgid(0, 0 [pid 5136] close(3 [pid 5141] <... rseq resumed>) = 0 [pid 5140] <... write resumed>) = 4 [pid 5139] <... setpgid resumed>) = 0 [pid 5138] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5137] <... clone3 resumed> => {parent_tid=[5141]}, 88) = 5141 [pid 5141] set_robust_list(0x7f7b617939a0, 24 [pid 5140] close(3 [pid 5138] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5136] <... close resumed>) = 0 [pid 5137] rt_sigprocmask(SIG_SETMASK, [], [pid 5141] <... set_robust_list resumed>) = 0 [pid 5140] <... close resumed>) = 0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5136] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5141] rt_sigprocmask(SIG_SETMASK, [], [pid 5140] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5137] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] <... futex resumed>) = 0 [pid 5138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5136] <... futex resumed>) = 0 [pid 5137] <... futex resumed>) = 0 [pid 5141] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5140] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5137] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5141] <... bpf resumed>) = 3 [pid 5140] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5139] <... openat resumed>) = 3 [pid 5138] <... mmap resumed>) = 0x7f7b61773000 [pid 5136] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5141] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5139] write(3, "1000", 4 [pid 5138] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5141] <... futex resumed>) = 1 [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5139] <... write resumed>) = 4 [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5137] <... futex resumed>) = 0 [pid 5141] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5139] close(3 [pid 5138] <... mprotect resumed>) = 0 [pid 5136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5137] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5140] <... mmap resumed>) = 0x7f7b61773000 [pid 5137] <... futex resumed>) = 0 [pid 5141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5140] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5136] <... mmap resumed>) = 0x7f7b61773000 [pid 5137] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5141] <... bpf resumed>) = 4 [pid 5140] <... mprotect resumed>) = 0 [pid 5139] <... close resumed>) = 0 [pid 5138] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5136] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5141] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5139] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5136] <... mprotect resumed>) = 0 [pid 5141] <... futex resumed>) = 1 [pid 5140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5137] <... futex resumed>) = 0 [pid 5141] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5137] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 5139] <... futex resumed>) = 0 [pid 5136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5141] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5141] <... futex resumed>) = 0 [pid 5139] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5141] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5141] <... futex resumed>) = 0 [pid 5139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5137] <... futex resumed>) = 1 [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5141] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5137] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5137] exit_group(0 [pid 5141] <... futex resumed>) = ? [pid 5137] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5144 attached ./strace-static-x86_64: Process 5143 attached ./strace-static-x86_64: Process 5142 attached [pid 5141] +++ exited with 0 +++ [pid 5139] <... mmap resumed>) = 0x7f7b61773000 [pid 5138] <... clone3 resumed> => {parent_tid=[5142]}, 88) = 5142 [pid 5144] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5143] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5142] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5140] <... clone3 resumed> => {parent_tid=[5144]}, 88) = 5144 [pid 5139] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5138] rt_sigprocmask(SIG_SETMASK, [], [pid 5137] +++ exited with 0 +++ [pid 5144] <... rseq resumed>) = 0 [pid 5143] <... rseq resumed>) = 0 [pid 5142] <... rseq resumed>) = 0 [pid 5136] <... clone3 resumed> => {parent_tid=[5143]}, 88) = 5143 [pid 5144] set_robust_list(0x7f7b617939a0, 24 [pid 5143] set_robust_list(0x7f7b617939a0, 24 [pid 5142] set_robust_list(0x7f7b617939a0, 24 [pid 5138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] <... set_robust_list resumed>) = 0 [pid 5143] <... set_robust_list resumed>) = 0 [pid 5142] <... set_robust_list resumed>) = 0 [pid 5140] rt_sigprocmask(SIG_SETMASK, [], [pid 5139] <... mprotect resumed>) = 0 [pid 5138] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5143] rt_sigprocmask(SIG_SETMASK, [], [pid 5142] rt_sigprocmask(SIG_SETMASK, [], [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5145 attached [pid 5145] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5139] <... clone3 resumed> => {parent_tid=[5145]}, 88) = 5145 [pid 5145] <... rseq resumed>) = 0 [pid 5139] rt_sigprocmask(SIG_SETMASK, [], [pid 5145] set_robust_list(0x7f7b617939a0, 24 [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5142] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5139] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5146 attached [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5139] <... futex resumed>) = 0 [pid 5145] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5143] <... bpf resumed>) = 3 [pid 5144] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5142] <... bpf resumed>) = 3 [pid 5140] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5146 [pid 5139] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] set_robust_list(0x55558a0856a0, 24 [pid 5145] <... bpf resumed>) = 3 [pid 5146] <... set_robust_list resumed>) = 0 [pid 5144] <... bpf resumed>) = 3 [pid 5143] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5145] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = 0 [pid 5142] <... futex resumed>) = 1 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5138] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] <... prctl resumed>) = 0 [pid 5145] <... futex resumed>) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5143] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5138] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] setpgid(0, 0 [pid 5145] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5146] <... setpgid resumed>) = 0 [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5140] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... futex resumed>) = 0 [pid 5138] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5145] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5144] <... bpf resumed>) = 4 [pid 5139] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... bpf resumed>) = 4 [pid 5143] <... bpf resumed>) = 4 [pid 5142] <... bpf resumed>) = 4 [pid 5143] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5136] <... futex resumed>) = 0 [pid 5146] <... openat resumed>) = 3 [pid 5144] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = 1 [pid 5143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5140] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5146] write(3, "1000", 4 [pid 5145] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] <... bpf resumed>) = 5 [pid 5142] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5146] <... write resumed>) = 4 [pid 5145] <... futex resumed>) = 1 [pid 5144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5143] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] <... futex resumed>) = 1 [pid 5140] <... futex resumed>) = 0 [pid 5139] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] close(3 [pid 5145] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5143] <... futex resumed>) = 0 [pid 5142] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5139] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] exit_group(0 [pid 5146] <... close resumed>) = 0 [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] <... bpf resumed>) = 5 [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5136] <... exit_group resumed>) = ? [pid 5146] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5144] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] +++ exited with 0 +++ [pid 5142] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5139] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5138] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5146] <... futex resumed>) = 0 [pid 5145] <... bpf resumed>) = 5 [pid 5144] <... futex resumed>) = 1 [pid 5142] <... bpf resumed>) = 5 [pid 5140] <... futex resumed>) = 0 [pid 5146] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5145] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] exit_group(0 [pid 5136] +++ exited with 0 +++ [pid 5146] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5145] <... futex resumed>) = 1 [pid 5144] <... futex resumed>) = ? [pid 5142] <... futex resumed>) = 1 [pid 5140] <... exit_group resumed>) = ? [pid 5139] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5145] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] +++ exited with 0 +++ [pid 5142] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] exit_group(0 [pid 5138] exit_group(0 [pid 5140] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] <... futex resumed>) = ? [pid 5142] <... futex resumed>) = ? [pid 5139] <... exit_group resumed>) = ? [pid 5138] <... exit_group resumed>) = ? [pid 5146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5145] +++ exited with 0 +++ [pid 5142] +++ exited with 0 +++ ./strace-static-x86_64: Process 5147 attached [pid 5146] <... mmap resumed>) = 0x7f7b61773000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5147 [pid 5147] set_robust_list(0x55558a0856a0, 24 [pid 5146] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5147] <... set_robust_list resumed>) = 0 [pid 5146] <... mprotect resumed>) = 0 [pid 5146] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5148 attached [pid 5146] <... clone3 resumed> => {parent_tid=[5148]}, 88) = 5148 [pid 5148] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5146] rt_sigprocmask(SIG_SETMASK, [], [pid 5148] <... rseq resumed>) = 0 [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] set_robust_list(0x7f7b617939a0, 24 [pid 5147] <... prctl resumed>) = 0 [pid 5146] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... set_robust_list resumed>) = 0 [pid 5146] <... futex resumed>) = 0 [pid 5148] rt_sigprocmask(SIG_SETMASK, [], [pid 5147] setpgid(0, 0 [pid 5146] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 ./strace-static-x86_64: Process 5149 attached [pid 5147] <... setpgid resumed>) = 0 [pid 5139] +++ exited with 0 +++ [pid 5138] +++ exited with 0 +++ [pid 5149] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5148] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5148] <... futex resumed>) = 1 [pid 5146] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5149 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5149] <... prctl resumed>) = 0 [pid 5149] setpgid(0, 0 [pid 5148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5147] <... openat resumed>) = 3 [pid 5146] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... setpgid resumed>) = 0 [pid 5147] write(3, "1000", 4 [pid 5146] <... futex resumed>) = 0 [pid 5146] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5148] <... bpf resumed>) = 4 [pid 5147] <... write resumed>) = 4 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5148] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] close(3 [pid 5149] <... openat resumed>) = 3 [pid 5149] write(3, "1000", 4./strace-static-x86_64: Process 5150 attached [pid 5148] <... futex resumed>) = 1 [pid 5147] <... close resumed>) = 0 [pid 5146] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5150 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5148] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5147] <... futex resumed>) = 0 [pid 5146] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5150] set_robust_list(0x55558a0856a0, 24 [pid 5149] <... write resumed>) = 4 [pid 5148] <... bpf resumed>) = 5 [pid 5147] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5149] close(3 [pid 5150] <... set_robust_list resumed>) = 0 [pid 5149] <... close resumed>) = 0 [pid 5147] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5150] <... prctl resumed>) = 0 [pid 5148] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] setpgid(0, 0 [pid 5149] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = 1 [pid 5147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5146] <... futex resumed>) = 0 [pid 5150] <... setpgid resumed>) = 0 [pid 5148] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] <... mmap resumed>) = 0x7f7b61773000 [pid 5146] exit_group(0 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5148] <... futex resumed>) = ? [pid 5147] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5146] <... exit_group resumed>) = ? [pid 5149] <... futex resumed>) = 0 [pid 5147] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5151 attached [pid 5150] <... openat resumed>) = 3 [pid 5149] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5151] set_robust_list(0x55558a0856a0, 24 [pid 5150] write(3, "1000", 4 [pid 5149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5151 [pid 5151] <... set_robust_list resumed>) = 0 [pid 5150] <... write resumed>) = 4 [pid 5149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5152 attached [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5150] close(3 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] +++ exited with 0 +++ [pid 5146] +++ exited with 0 +++ [pid 5152] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5151] <... prctl resumed>) = 0 [pid 5150] <... close resumed>) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5147] <... clone3 resumed> => {parent_tid=[5152]}, 88) = 5152 [pid 5152] <... rseq resumed>) = 0 [pid 5151] setpgid(0, 0 [pid 5150] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... mmap resumed>) = 0x7f7b61773000 [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5152] set_robust_list(0x7f7b617939a0, 24 [pid 5151] <... setpgid resumed>) = 0 [pid 5149] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5152] <... set_robust_list resumed>) = 0 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5150] <... futex resumed>) = 0 [pid 5149] <... mprotect resumed>) = 0 [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5152] rt_sigprocmask(SIG_SETMASK, [], [pid 5151] <... openat resumed>) = 3 [pid 5150] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5147] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5151] write(3, "1000", 4 [pid 5150] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5152] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5151] <... write resumed>) = 4 [pid 5150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5153 attached [pid 5147] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] set_robust_list(0x55558a0856a0, 24 [pid 5152] <... bpf resumed>) = 3 [pid 5151] close(3 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5153 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5154 attached [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5152] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... close resumed>) = 0 [pid 5150] <... mmap resumed>) = 0x7f7b61773000 [pid 5154] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5153] <... prctl resumed>) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5151] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5149] <... clone3 resumed> => {parent_tid=[5154]}, 88) = 5154 [pid 5147] <... futex resumed>) = 0 [pid 5154] <... rseq resumed>) = 0 [pid 5153] setpgid(0, 0 [pid 5152] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] <... futex resumed>) = 0 [pid 5150] <... mprotect resumed>) = 0 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], [pid 5147] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] set_robust_list(0x7f7b617939a0, 24 [pid 5153] <... setpgid resumed>) = 0 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5147] <... futex resumed>) = 0 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] rt_sigprocmask(SIG_SETMASK, [], [pid 5151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5149] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5155 attached [pid 5154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5152] <... bpf resumed>) = 4 [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5155] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5153] <... openat resumed>) = 3 [pid 5149] <... futex resumed>) = 0 [pid 5154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5153] write(3, "1000", 4 [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5149] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] <... rseq resumed>) = 0 [pid 5152] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... clone3 resumed> => {parent_tid=[5155]}, 88) = 5155 [pid 5151] <... mmap resumed>) = 0x7f7b61773000 [pid 5155] set_robust_list(0x7f7b617939a0, 24 [pid 5152] <... futex resumed>) = 1 [pid 5151] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5147] <... futex resumed>) = 0 [pid 5155] <... set_robust_list resumed>) = 0 [pid 5153] <... write resumed>) = 4 [pid 5152] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] <... mprotect resumed>) = 0 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] rt_sigprocmask(SIG_SETMASK, [], [pid 5154] <... bpf resumed>) = 3 [pid 5153] close(3 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... futex resumed>) = 0 [pid 5147] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5154] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... close resumed>) = 0 [pid 5151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5150] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = 1 [pid 5153] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... futex resumed>) = 0 [pid 5150] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5153] <... futex resumed>) = 0 [pid 5152] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5153] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5149] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... bpf resumed>) = 3 [pid 5153] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5156 attached [pid 5156] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5149] <... futex resumed>) = 1 [pid 5154] <... futex resumed>) = 0 [pid 5153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5156] <... rseq resumed>) = 0 [pid 5155] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] set_robust_list(0x7f7b617939a0, 24 [pid 5155] <... futex resumed>) = 1 [pid 5152] <... bpf resumed>) = 5 [pid 5151] <... clone3 resumed> => {parent_tid=[5156]}, 88) = 5156 [pid 5150] <... futex resumed>) = 0 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5150] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... set_robust_list resumed>) = 0 [pid 5155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5156] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5151] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] <... futex resumed>) = 0 [pid 5153] <... mmap resumed>) = 0x7f7b61773000 [pid 5151] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5152] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5155] <... bpf resumed>) = 4 [pid 5154] <... bpf resumed>) = 4 [pid 5152] <... futex resumed>) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5156] <... bpf resumed>) = 3 [pid 5155] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] exit_group(0 [pid 5156] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = 1 [pid 5150] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = 1 [pid 5155] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5152] <... futex resumed>) = ? [pid 5151] <... futex resumed>) = 0 [pid 5150] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... exit_group resumed>) = ? [pid 5156] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... futex resumed>) = 1 [pid 5153] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5152] +++ exited with 0 +++ [pid 5151] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5154] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5151] <... futex resumed>) = 0 [pid 5150] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5149] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5155] <... bpf resumed>) = 5 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5157 attached [pid 5154] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5149] <... futex resumed>) = 0 [pid 5157] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5153] <... clone3 resumed> => {parent_tid=[5157]}, 88) = 5157 [pid 5157] <... rseq resumed>) = 0 [pid 5153] rt_sigprocmask(SIG_SETMASK, [], [pid 5157] set_robust_list(0x7f7b617939a0, 24 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5153] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] rt_sigprocmask(SIG_SETMASK, [], [pid 5156] <... bpf resumed>) = 4 [pid 5153] <... futex resumed>) = 0 [pid 5149] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5155] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5155] <... futex resumed>) = 1 [pid 5150] <... futex resumed>) = 0 [pid 5157] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5153] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] <... bpf resumed>) = 3 [pid 5155] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] exit_group(0 [pid 5157] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = ? [pid 5150] <... exit_group resumed>) = ? [pid 5157] <... futex resumed>) = 1 [pid 5156] <... futex resumed>) = 1 [pid 5155] +++ exited with 0 +++ [pid 5153] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 0 [pid 5157] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 0 [pid 5157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5153] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5157] <... bpf resumed>) = 4 [pid 5157] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5157] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5157] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5153] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5157] <... bpf resumed>) = 5 [pid 5156] <... bpf resumed>) = 5 [pid 5154] <... bpf resumed>) = 5 [pid 5150] +++ exited with 0 +++ [pid 5147] +++ exited with 0 +++ [pid 5157] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5157] <... futex resumed>) = 1 [pid 5154] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5157] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] exit_group(0 [pid 5149] <... futex resumed>) = 0 [pid 5157] <... futex resumed>) = ? [pid 5156] <... futex resumed>) = 1 [pid 5153] <... exit_group resumed>) = ? [pid 5151] <... futex resumed>) = 0 [pid 5149] exit_group(0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5151] exit_group(0 [pid 5149] <... exit_group resumed>) = ? [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5151] <... exit_group resumed>) = ? [pid 5073] <... restart_syscall resumed>) = 0 [pid 5157] +++ exited with 0 +++ [pid 5156] +++ exited with 0 +++ [pid 5154] <... futex resumed>) = ? [pid 5151] +++ exited with 0 +++ ./strace-static-x86_64: Process 5158 attached [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5158 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5158] set_robust_list(0x55558a0856a0, 24 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5158] <... set_robust_list resumed>) = 0 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5158] setpgid(0, 0./strace-static-x86_64: Process 5159 attached ) = 0 ./strace-static-x86_64: Process 5160 attached [pid 5159] set_robust_list(0x55558a0856a0, 24 [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5153] +++ exited with 0 +++ [pid 5160] set_robust_list(0x55558a0856a0, 24 [pid 5159] <... set_robust_list resumed>) = 0 [pid 5154] +++ exited with 0 +++ [pid 5158] <... openat resumed>) = 3 [pid 5149] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5159 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5160 [pid 5160] <... set_robust_list resumed>) = 0 [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5158] write(3, "1000", 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5159] <... prctl resumed>) = 0 [pid 5158] <... write resumed>) = 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5160] <... prctl resumed>) = 0 [pid 5160] setpgid(0, 0 [pid 5159] setpgid(0, 0 [pid 5158] close(3 [pid 5159] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5161 attached [pid 5160] <... setpgid resumed>) = 0 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5158] <... close resumed>) = 0 [pid 5161] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5159] <... openat resumed>) = 3 [pid 5158] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5161 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5158] <... futex resumed>) = 0 [pid 5161] setpgid(0, 0 [pid 5158] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5160] <... openat resumed>) = 3 [pid 5159] write(3, "1000", 4 [pid 5161] <... setpgid resumed>) = 0 [pid 5159] <... write resumed>) = 4 [pid 5158] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5159] close(3 [pid 5158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5161] <... openat resumed>) = 3 [pid 5159] <... close resumed>) = 0 [pid 5158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5161] write(3, "1000", 4 [pid 5159] <... futex resumed>) = 0 [pid 5158] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5161] <... write resumed>) = 4 [pid 5159] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5158] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5162 attached [pid 5161] close(3 [pid 5160] write(3, "1000", 4 [pid 5159] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5162] set_robust_list(0x55558a0856a0, 24 [pid 5161] <... close resumed>) = 0 [pid 5160] <... write resumed>) = 4 [pid 5159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5162] <... set_robust_list resumed>) = 0 [pid 5161] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5161] <... futex resumed>) = 0 [pid 5159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5159] <... mmap resumed>) = 0x7f7b61773000 [pid 5161] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5163 attached [pid 5162] <... prctl resumed>) = 0 [pid 5161] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5160] close(3 [pid 5159] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5162 [pid 5163] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5162] setpgid(0, 0 [pid 5161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5160] <... close resumed>) = 0 [pid 5159] <... mprotect resumed>) = 0 [pid 5163] <... rseq resumed>) = 0 [pid 5162] <... setpgid resumed>) = 0 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5160] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5163] set_robust_list(0x7f7b617939a0, 24 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5160] <... futex resumed>) = 0 [pid 5159] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5158] <... clone3 resumed> => {parent_tid=[5163]}, 88) = 5163 [pid 5163] <... set_robust_list resumed>) = 0 [pid 5162] <... openat resumed>) = 3 [pid 5161] <... mmap resumed>) = 0x7f7b61773000 [pid 5159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5158] rt_sigprocmask(SIG_SETMASK, [], [pid 5163] rt_sigprocmask(SIG_SETMASK, [], [pid 5161] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5160] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5158] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5164 attached [pid 5163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] write(3, "1000", 4 [pid 5161] <... mprotect resumed>) = 0 [pid 5160] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5158] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... write resumed>) = 4 [pid 5158] <... futex resumed>) = 0 [pid 5164] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5162] close(3 [pid 5161] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5159] <... clone3 resumed> => {parent_tid=[5164]}, 88) = 5164 [pid 5158] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] <... rseq resumed>) = 0 [pid 5163] <... bpf resumed>) = 3 [pid 5162] <... close resumed>) = 0 [pid 5161] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] rt_sigprocmask(SIG_SETMASK, [], [pid 5164] set_robust_list(0x7f7b617939a0, 24 [pid 5163] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5163] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5159] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5165 attached [pid 5164] rt_sigprocmask(SIG_SETMASK, [], [pid 5163] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5160] <... mmap resumed>) = 0x7f7b61773000 [pid 5165] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5161] <... clone3 resumed> => {parent_tid=[5165]}, 88) = 5165 [pid 5159] <... futex resumed>) = 0 [pid 5158] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... rseq resumed>) = 0 [pid 5164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5163] <... futex resumed>) = 0 [pid 5162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5161] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] <... futex resumed>) = 1 [pid 5165] set_robust_list(0x7f7b617939a0, 24 [pid 5164] <... bpf resumed>) = 3 [pid 5163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5160] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5158] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5165] <... set_robust_list resumed>) = 0 [pid 5164] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5161] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... mmap resumed>) = 0x7f7b61773000 [pid 5161] <... futex resumed>) = 0 [pid 5162] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5161] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... mprotect resumed>) = 0 [pid 5163] <... bpf resumed>) = 4 [pid 5165] rt_sigprocmask(SIG_SETMASK, [], [pid 5164] <... futex resumed>) = 1 [pid 5160] <... mprotect resumed>) = 0 [pid 5159] <... futex resumed>) = 0 [pid 5162] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5159] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5162] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5159] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5165] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5165] <... bpf resumed>) = 3 [pid 5164] <... bpf resumed>) = 4 [pid 5160] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5166 attached [pid 5165] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5165] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5163] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5167 attached [pid 5166] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5163] <... futex resumed>) = 1 [pid 5162] <... clone3 resumed> => {parent_tid=[5166]}, 88) = 5166 [pid 5161] <... futex resumed>) = 0 [pid 5158] <... futex resumed>) = 0 [pid 5167] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5166] <... rseq resumed>) = 0 [pid 5163] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] rt_sigprocmask(SIG_SETMASK, [], [pid 5161] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... clone3 resumed> => {parent_tid=[5167]}, 88) = 5167 [pid 5158] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... rseq resumed>) = 0 [pid 5166] set_robust_list(0x7f7b617939a0, 24 [pid 5165] <... futex resumed>) = 0 [pid 5164] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5161] <... futex resumed>) = 1 [pid 5160] rt_sigprocmask(SIG_SETMASK, [], [pid 5158] <... futex resumed>) = 0 [pid 5167] set_robust_list(0x7f7b617939a0, 24 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5165] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5164] <... futex resumed>) = 1 [pid 5163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5162] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] <... futex resumed>) = 0 [pid 5158] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5167] <... set_robust_list resumed>) = 0 [pid 5166] rt_sigprocmask(SIG_SETMASK, [], [pid 5165] <... bpf resumed>) = 4 [pid 5164] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] <... futex resumed>) = 0 [pid 5159] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] rt_sigprocmask(SIG_SETMASK, [], [pid 5166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5165] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] <... bpf resumed>) = 5 [pid 5162] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = 0 [pid 5167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5165] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5159] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5167] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5166] <... bpf resumed>) = 3 [pid 5165] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5163] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... futex resumed>) = 0 [pid 5167] <... bpf resumed>) = 3 [pid 5166] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5160] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] <... futex resumed>) = 0 [pid 5167] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5165] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5164] <... bpf resumed>) = 5 [pid 5163] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] <... futex resumed>) = 0 [pid 5161] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] exit_group(0 [pid 5167] <... futex resumed>) = 0 [pid 5166] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] <... bpf resumed>) = 5 [pid 5164] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = ? [pid 5162] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... exit_group resumed>) = ? [pid 5167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... futex resumed>) = 1 [pid 5163] +++ exited with 0 +++ [pid 5162] <... futex resumed>) = 0 [pid 5160] <... futex resumed>) = 0 [pid 5159] <... futex resumed>) = 0 [pid 5167] <... bpf resumed>) = 4 [pid 5166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5165] <... futex resumed>) = 1 [pid 5162] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] <... futex resumed>) = 0 [pid 5159] exit_group(0 [pid 5158] +++ exited with 0 +++ [pid 5167] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... bpf resumed>) = 4 [pid 5165] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] exit_group(0 [pid 5160] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] <... exit_group resumed>) = ? [pid 5167] <... futex resumed>) = 0 [pid 5166] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... futex resumed>) = ? [pid 5164] +++ exited with 0 +++ [pid 5161] <... exit_group resumed>) = ? [pid 5160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5167] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5165] +++ exited with 0 +++ [pid 5160] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5167] <... bpf resumed>) = 5 [pid 5160] <... futex resumed>) = 0 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5167] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5160] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5159] +++ exited with 0 +++ [pid 5167] <... futex resumed>) = 0 [pid 5166] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5167] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5162] <... futex resumed>) = 0 [pid 5160] exit_group(0 [pid 5167] <... futex resumed>) = ? [pid 5166] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5162] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5160] <... exit_group resumed>) = ? [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5167] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5169 attached [pid 5169] set_robust_list(0x55558a0856a0, 24./strace-static-x86_64: Process 5168 attached [pid 5166] <... bpf resumed>) = 5 [pid 5161] +++ exited with 0 +++ [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5169 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5168 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5169] <... set_robust_list resumed>) = 0 [pid 5168] set_robust_list(0x55558a0856a0, 24 [pid 5166] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5166] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5169] <... prctl resumed>) = 0 [pid 5168] <... set_robust_list resumed>) = 0 [pid 5166] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] exit_group(0 [pid 5169] setpgid(0, 0 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5166] <... futex resumed>) = ? [pid 5162] <... exit_group resumed>) = ? [pid 5169] <... setpgid resumed>) = 0 [pid 5168] <... prctl resumed>) = 0 [pid 5166] +++ exited with 0 +++ [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5168] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5169] <... openat resumed>) = 3 [pid 5169] write(3, "1000", 4) = 4 [pid 5169] close(3) = 0 [pid 5169] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5170 attached ) = 0 [pid 5168] <... setpgid resumed>) = 0 [pid 5162] +++ exited with 0 +++ [pid 5160] +++ exited with 0 +++ [pid 5170] set_robust_list(0x55558a0856a0, 24 [pid 5169] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5170 [pid 5170] <... set_robust_list resumed>) = 0 [pid 5169] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5170] <... prctl resumed>) = 0 [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5170] setpgid(0, 0 [pid 5169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5170] <... setpgid resumed>) = 0 [pid 5169] <... mmap resumed>) = 0x7f7b61773000 [pid 5168] <... openat resumed>) = 3 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5169] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5170] <... openat resumed>) = 3 [pid 5169] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5170] write(3, "1000", 4) = 4 [pid 5169] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5170] close(3 [pid 5169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5170] <... close resumed>) = 0 ./strace-static-x86_64: Process 5172 attached ./strace-static-x86_64: Process 5171 attached [pid 5170] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] write(3, "1000", 4 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5172] set_robust_list(0x55558a0856a0, 24 [pid 5171] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5170] <... futex resumed>) = 0 [pid 5169] <... clone3 resumed> => {parent_tid=[5171]}, 88) = 5171 [pid 5168] <... write resumed>) = 4 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5170] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5169] rt_sigprocmask(SIG_SETMASK, [], [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5170] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5172] <... prctl resumed>) = 0 [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5173 attached [pid 5172] setpgid(0, 0 [pid 5171] <... rseq resumed>) = 0 [pid 5170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5169] <... futex resumed>) = 0 [pid 5168] close(3 [pid 5173] set_robust_list(0x55558a0856a0, 24 [pid 5172] <... setpgid resumed>) = 0 [pid 5171] set_robust_list(0x7f7b617939a0, 24 [pid 5169] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... close resumed>) = 0 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5171] <... set_robust_list resumed>) = 0 [pid 5170] <... mmap resumed>) = 0x7f7b61773000 [pid 5168] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5173 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5172 [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5172] <... openat resumed>) = 3 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5168] <... futex resumed>) = 0 [pid 5173] <... prctl resumed>) = 0 [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] <... mprotect resumed>) = 0 [pid 5168] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5172] write(3, "1000", 4 [pid 5170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5172] <... write resumed>) = 4 [pid 5172] close(3 [pid 5171] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5168] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5173] setpgid(0, 0 [pid 5172] <... close resumed>) = 0 [pid 5170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5173] <... setpgid resumed>) = 0 [pid 5172] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... bpf resumed>) = 3 [pid 5170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5174 attached [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5172] <... futex resumed>) = 0 [pid 5171] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5174] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5172] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5171] <... futex resumed>) = 1 [pid 5170] <... clone3 resumed> => {parent_tid=[5174]}, 88) = 5174 [pid 5169] <... futex resumed>) = 0 [pid 5168] <... mmap resumed>) = 0x7f7b61773000 [pid 5174] <... rseq resumed>) = 0 [pid 5172] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5171] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] rt_sigprocmask(SIG_SETMASK, [], [pid 5169] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5174] set_robust_list(0x7f7b617939a0, 24 [pid 5172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] <... futex resumed>) = 0 [pid 5174] <... set_robust_list resumed>) = 0 [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] rt_sigprocmask(SIG_SETMASK, [], [pid 5173] <... openat resumed>) = 3 [pid 5172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] <... futex resumed>) = 0 [pid 5168] <... mprotect resumed>) = 0 [pid 5174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] write(3, "1000", 4 [pid 5172] <... mmap resumed>) = 0x7f7b61773000 [pid 5171] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5170] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5172] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5174] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... mprotect resumed>) = 0 [pid 5174] <... futex resumed>) = 1 [pid 5173] <... write resumed>) = 4 [pid 5172] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5171] <... bpf resumed>) = 4 [pid 5170] <... futex resumed>) = 0 [pid 5168] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5174] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] close(3 [pid 5172] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5170] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5170] <... futex resumed>) = 0 [pid 5174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5170] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5175 attached [pid 5173] <... close resumed>) = 0 [pid 5171] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5175] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5172] <... clone3 resumed> => {parent_tid=[5175]}, 88) = 5175 [pid 5175] <... rseq resumed>) = 0 [pid 5172] rt_sigprocmask(SIG_SETMASK, [], [pid 5175] set_robust_list(0x7f7b617939a0, 24 [pid 5174] <... bpf resumed>) = 4 [pid 5173] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] <... futex resumed>) = 1 [pid 5169] <... futex resumed>) = 0 [pid 5168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5175] <... set_robust_list resumed>) = 0 [pid 5172] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5176 attached [pid 5175] rt_sigprocmask(SIG_SETMASK, [], [pid 5174] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 0 [pid 5172] <... futex resumed>) = 0 [pid 5171] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5169] <... futex resumed>) = 0 [pid 5168] <... clone3 resumed> => {parent_tid=[5176]}, 88) = 5176 [pid 5176] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5174] <... futex resumed>) = 1 [pid 5173] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5172] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... bpf resumed>) = 5 [pid 5170] <... futex resumed>) = 0 [pid 5169] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5168] rt_sigprocmask(SIG_SETMASK, [], [pid 5176] <... rseq resumed>) = 0 [pid 5175] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5174] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5171] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] set_robust_list(0x7f7b617939a0, 24 [pid 5175] <... bpf resumed>) = 3 [pid 5174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5171] <... futex resumed>) = 1 [pid 5170] <... futex resumed>) = 0 [pid 5169] <... futex resumed>) = 0 [pid 5168] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... set_robust_list resumed>) = 0 [pid 5175] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5169] exit_group(0 [pid 5168] <... futex resumed>) = 0 [pid 5176] rt_sigprocmask(SIG_SETMASK, [], [pid 5175] <... futex resumed>) = 1 [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5172] <... futex resumed>) = 0 [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5175] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5172] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = ? [pid 5169] <... exit_group resumed>) = ? [pid 5168] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... mmap resumed>) = 0x7f7b61773000 [pid 5174] <... bpf resumed>) = 5 [pid 5171] +++ exited with 0 +++ [pid 5176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5175] <... bpf resumed>) = 4 [pid 5174] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5172] <... futex resumed>) = 0 [pid 5176] <... bpf resumed>) = 3 [pid 5175] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... futex resumed>) = 1 [pid 5173] <... mprotect resumed>) = 0 [pid 5172] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] <... futex resumed>) = 0 [pid 5176] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... futex resumed>) = 0 [pid 5174] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] <... futex resumed>) = 1 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] exit_group(0 [pid 5176] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5175] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5172] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = ? [pid 5173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5172] <... futex resumed>) = 0 [pid 5170] <... exit_group resumed>) = ? [pid 5168] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] +++ exited with 0 +++ [pid 5172] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5176] <... futex resumed>) = 0 [pid 5173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5168] <... futex resumed>) = 1 [pid 5176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114./strace-static-x86_64: Process 5177 attached [pid 5168] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5173] <... clone3 resumed> => {parent_tid=[5177]}, 88) = 5177 [pid 5177] <... rseq resumed>) = 0 [pid 5176] <... bpf resumed>) = 4 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], [pid 5177] set_robust_list(0x7f7b617939a0, 24 [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5176] <... futex resumed>) = 1 [pid 5173] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5176] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... futex resumed>) = 0 [pid 5168] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... futex resumed>) = 0 [pid 5176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5168] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5177] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5177] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 1 [pid 5177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5173] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] <... bpf resumed>) = 4 [pid 5177] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5173] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5175] <... bpf resumed>) = 5 [pid 5169] +++ exited with 0 +++ [pid 5175] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 1 [pid 5172] exit_group(0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5172] <... exit_group resumed>) = ? [pid 5177] <... bpf resumed>) = 5 [pid 5176] <... bpf resumed>) = 5 [pid 5175] +++ exited with 0 +++ [pid 5172] +++ exited with 0 +++ [pid 5170] +++ exited with 0 +++ [pid 5177] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5177] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5176] <... futex resumed>) = 1 [pid 5173] exit_group(0 [pid 5168] <... futex resumed>) = 0 [pid 5168] exit_group(0 [pid 5177] <... futex resumed>) = ? [pid 5173] <... exit_group resumed>) = ? [pid 5168] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5178 attached ./strace-static-x86_64: Process 5179 attached [pid 5176] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5178] set_robust_list(0x55558a0856a0, 24 [pid 5179] set_robust_list(0x55558a0856a0, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5179 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5178 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5179] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5180 attached [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5180] set_robust_list(0x55558a0856a0, 24 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5180 [pid 5180] <... set_robust_list resumed>) = 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5180] <... prctl resumed>) = 0 [pid 5180] setpgid(0, 0) = 0 [pid 5178] <... prctl resumed>) = 0 [pid 5179] <... prctl resumed>) = 0 [pid 5177] +++ exited with 0 +++ [pid 5173] +++ exited with 0 +++ [pid 5168] +++ exited with 0 +++ [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5178] setpgid(0, 0 [pid 5179] setpgid(0, 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5180] <... openat resumed>) = 3 [pid 5178] <... setpgid resumed>) = 0 [pid 5179] <... setpgid resumed>) = 0 [pid 5180] write(3, "1000", 4 [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5180] <... write resumed>) = 4 [pid 5179] <... openat resumed>) = 3 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5180] close(3 [pid 5178] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5181 attached [pid 5179] write(3, "1000", 4 [pid 5178] write(3, "1000", 4 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5181 [pid 5181] set_robust_list(0x55558a0856a0, 24 [pid 5178] <... write resumed>) = 4 [pid 5179] <... write resumed>) = 4 ./strace-static-x86_64: Process 5182 attached [pid 5180] <... close resumed>) = 0 [pid 5182] set_robust_list(0x55558a0856a0, 24 [pid 5180] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... set_robust_list resumed>) = 0 [pid 5180] <... futex resumed>) = 0 [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5181] <... set_robust_list resumed>) = 0 [pid 5180] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5178] close(3 [pid 5179] close(3 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5182 [pid 5182] <... prctl resumed>) = 0 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5180] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5178] <... close resumed>) = 0 [pid 5179] <... close resumed>) = 0 [pid 5182] setpgid(0, 0 [pid 5181] <... prctl resumed>) = 0 [pid 5180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5178] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... setpgid resumed>) = 0 [pid 5181] setpgid(0, 0 [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] <... futex resumed>) = 0 [pid 5179] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... setpgid resumed>) = 0 [pid 5180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5178] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5179] <... futex resumed>) = 0 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5180] <... mmap resumed>) = 0x7f7b61773000 [pid 5178] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5179] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5181] <... openat resumed>) = 3 [pid 5180] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5179] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5181] write(3, "1000", 4 [pid 5178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5181] <... write resumed>) = 4 [pid 5180] <... mprotect resumed>) = 0 [pid 5178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5181] close(3 [pid 5178] <... mmap resumed>) = 0x7f7b61773000 [pid 5179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5182] <... openat resumed>) = 3 [pid 5181] <... close resumed>) = 0 [pid 5180] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5178] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5179] <... mmap resumed>) = 0x7f7b61773000 [pid 5181] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... mprotect resumed>) = 0 [pid 5179] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5182] write(3, "1000", 4 [pid 5181] <... futex resumed>) = 0 [pid 5180] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5178] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5179] <... mprotect resumed>) = 0 [pid 5182] <... write resumed>) = 4 [pid 5181] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5182] close(3 [pid 5181] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5178] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5179] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5183 attached [pid 5182] <... close resumed>) = 0 [pid 5181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5183] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5182] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5184 attached [pid 5183] <... rseq resumed>) = 0 [pid 5182] <... futex resumed>) = 0 [pid 5181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5180] <... clone3 resumed> => {parent_tid=[5183]}, 88) = 5183 [pid 5178] <... clone3 resumed> => {parent_tid=[5184]}, 88) = 5184 ./strace-static-x86_64: Process 5185 attached [pid 5184] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5183] set_robust_list(0x7f7b617939a0, 24 [pid 5182] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5181] <... mmap resumed>) = 0x7f7b61773000 [pid 5180] rt_sigprocmask(SIG_SETMASK, [], [pid 5185] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5184] <... rseq resumed>) = 0 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5182] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5181] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] rt_sigprocmask(SIG_SETMASK, [], [pid 5179] <... clone3 resumed> => {parent_tid=[5185]}, 88) = 5185 [pid 5185] <... rseq resumed>) = 0 [pid 5184] set_robust_list(0x7f7b617939a0, 24 [pid 5183] rt_sigprocmask(SIG_SETMASK, [], [pid 5182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5181] <... mprotect resumed>) = 0 [pid 5180] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] rt_sigprocmask(SIG_SETMASK, [], [pid 5185] set_robust_list(0x7f7b617939a0, 24 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5180] <... futex resumed>) = 0 [pid 5178] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5185] <... set_robust_list resumed>) = 0 [pid 5184] rt_sigprocmask(SIG_SETMASK, [], [pid 5183] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5180] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] <... futex resumed>) = 0 [pid 5179] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] rt_sigprocmask(SIG_SETMASK, [], [pid 5184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5183] <... bpf resumed>) = 3 [pid 5182] <... mmap resumed>) = 0x7f7b61773000 [pid 5181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5178] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5179] <... futex resumed>) = 0 [pid 5183] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5179] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5186 attached [pid 5185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5183] <... futex resumed>) = 1 [pid 5182] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5180] <... futex resumed>) = 0 [pid 5186] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5185] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5184] <... bpf resumed>) = 3 [pid 5183] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] <... clone3 resumed> => {parent_tid=[5186]}, 88) = 5186 [pid 5180] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... rseq resumed>) = 0 [pid 5184] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... mprotect resumed>) = 0 [pid 5181] rt_sigprocmask(SIG_SETMASK, [], [pid 5180] <... futex resumed>) = 0 [pid 5186] set_robust_list(0x7f7b617939a0, 24 [pid 5185] <... bpf resumed>) = 3 [pid 5184] <... futex resumed>) = 1 [pid 5183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5180] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] <... futex resumed>) = 0 [pid 5186] <... set_robust_list resumed>) = 0 [pid 5185] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5181] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] rt_sigprocmask(SIG_SETMASK, [], [pid 5181] <... futex resumed>) = 0 [pid 5186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5183] <... bpf resumed>) = 4 [pid 5178] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 1 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5183] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5181] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5179] <... futex resumed>) = 0 [pid 5183] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 0 [pid 5178] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5179] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] <... futex resumed>) = 0 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5180] <... futex resumed>) = 0 [pid 5179] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5180] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5186] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5183] <... bpf resumed>) = 5 [pid 5184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5183] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5183] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5187 attached [pid 5186] <... bpf resumed>) = 3 [pid 5183] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] exit_group(0 [pid 5187] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5183] <... futex resumed>) = ? [pid 5182] <... clone3 resumed> => {parent_tid=[5187]}, 88) = 5187 [pid 5180] <... exit_group resumed>) = ? [pid 5187] <... rseq resumed>) = 0 [pid 5186] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... bpf resumed>) = 4 [pid 5183] +++ exited with 0 +++ [pid 5182] rt_sigprocmask(SIG_SETMASK, [], [pid 5180] +++ exited with 0 +++ [pid 5187] set_robust_list(0x7f7b617939a0, 24 [pid 5186] <... futex resumed>) = 1 [pid 5185] <... bpf resumed>) = 4 [pid 5181] <... futex resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5187] <... set_robust_list resumed>) = 0 [pid 5181] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] rt_sigprocmask(SIG_SETMASK, [], [pid 5186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5185] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5181] <... futex resumed>) = 0 [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5182] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5187] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5185] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5182] <... futex resumed>) = 0 [pid 5179] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5188 attached [pid 5187] <... bpf resumed>) = 3 [pid 5186] <... bpf resumed>) = 4 [pid 5185] <... bpf resumed>) = 5 [pid 5184] <... futex resumed>) = 1 [pid 5182] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 0 [pid 5188] set_robust_list(0x55558a0856a0, 24 [pid 5187] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5182] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = 0 [pid 5178] <... futex resumed>) = 0 [pid 5187] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5178] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5188] <... set_robust_list resumed>) = 0 [pid 5187] <... bpf resumed>) = 4 [pid 5186] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... bpf resumed>) = 5 [pid 5182] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5188 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5185] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5185] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5184] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5181] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5179] <... futex resumed>) = 0 [pid 5188] <... prctl resumed>) = 0 [pid 5186] <... bpf resumed>) = 5 [pid 5184] <... futex resumed>) = 1 [pid 5179] exit_group(0 [pid 5188] setpgid(0, 0 [pid 5187] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] <... futex resumed>) = 0 [pid 5179] <... exit_group resumed>) = ? [pid 5185] <... futex resumed>) = ? [pid 5188] <... setpgid resumed>) = 0 [pid 5186] <... futex resumed>) = 1 [pid 5185] +++ exited with 0 +++ [pid 5181] <... futex resumed>) = 0 [pid 5178] exit_group(0 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5186] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] exit_group(0 [pid 5186] <... futex resumed>) = ? [pid 5181] <... exit_group resumed>) = ? [pid 5188] <... openat resumed>) = 3 [pid 5187] <... futex resumed>) = 1 [pid 5186] +++ exited with 0 +++ [pid 5178] <... exit_group resumed>) = ? [pid 5179] +++ exited with 0 +++ [pid 5184] <... futex resumed>) = ? [pid 5182] <... futex resumed>) = 0 [pid 5187] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5182] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] write(3, "1000", 4 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5188] <... write resumed>) = 4 [pid 5187] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5188] close(3 [pid 5182] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5188] <... close resumed>) = 0 [pid 5188] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5188] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5189 attached [pid 5188] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5189] set_robust_list(0x55558a0856a0, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5189 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5188] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5187] <... bpf resumed>) = 5 [pid 5181] +++ exited with 0 +++ [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5187] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] <... prctl resumed>) = 0 [pid 5188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5189] setpgid(0, 0 [pid 5188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5187] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] exit_group(0 [pid 5189] <... setpgid resumed>) = 0 [pid 5188] <... mmap resumed>) = 0x7f7b61773000 [pid 5188] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5187] <... futex resumed>) = ? [pid 5182] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5188] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5190 attached [pid 5190] set_robust_list(0x55558a0856a0, 24 [pid 5189] <... openat resumed>) = 3 [pid 5188] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5190] <... set_robust_list resumed>) = 0 [pid 5188] <... clone3 resumed> => {parent_tid=[5191]}, 88) = 5191 ./strace-static-x86_64: Process 5191 attached [pid 5189] write(3, "1000", 4 [pid 5188] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5190 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5191] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5189] <... write resumed>) = 4 [pid 5188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] <... rseq resumed>) = 0 [pid 5189] close(3 [pid 5188] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] set_robust_list(0x7f7b617939a0, 24 [pid 5189] <... close resumed>) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5190] <... prctl resumed>) = 0 [pid 5189] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5190] setpgid(0, 0 [pid 5189] <... futex resumed>) = 0 [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] <... setpgid resumed>) = 0 [pid 5189] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5191] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5189] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5191] <... bpf resumed>) = 3 [pid 5189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5191] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5188] <... futex resumed>) = 0 [pid 5191] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... openat resumed>) = 3 [pid 5189] <... mmap resumed>) = 0x7f7b61773000 [pid 5188] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5188] <... futex resumed>) = 0 [pid 5191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5189] <... mprotect resumed>) = 0 [pid 5188] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... bpf resumed>) = 4 [pid 5190] write(3, "1000", 4) = 4 [pid 5189] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5190] close(3) = 0 [pid 5189] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5191] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5191] <... futex resumed>) = 1 [pid 5190] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5192 attached [pid 5191] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... futex resumed>) = 0 [pid 5192] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... clone3 resumed> => {parent_tid=[5192]}, 88) = 5192 [pid 5188] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... rseq resumed>) = 0 [pid 5191] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5189] rt_sigprocmask(SIG_SETMASK, [], [pid 5188] <... futex resumed>) = 0 [pid 5189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5188] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5192] set_robust_list(0x7f7b617939a0, 24 [pid 5190] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5189] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... set_robust_list resumed>) = 0 [pid 5190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5189] <... futex resumed>) = 0 [pid 5192] rt_sigprocmask(SIG_SETMASK, [], [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5189] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] +++ exited with 0 +++ [pid 5178] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5187] +++ exited with 0 +++ [pid 5182] +++ exited with 0 +++ [pid 5078] <... restart_syscall resumed>) = 0 [pid 5192] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5190] <... mmap resumed>) = 0x7f7b61773000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5192] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5076] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5193 attached [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5193 [pid 5193] set_robust_list(0x55558a0856a0, 24 [pid 5192] <... futex resumed>) = 1 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5192] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... mprotect resumed>) = 0 [pid 5189] <... futex resumed>) = 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5190] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5189] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... prctl resumed>) = 0 [pid 5189] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 0 [pid 5190] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5189] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] setpgid(0, 0 [pid 5192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5193] <... setpgid resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5192] <... bpf resumed>) = 4 [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5195 attached ./strace-static-x86_64: Process 5194 attached ) = 3 [pid 5192] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... bpf resumed>) = 5 [pid 5190] <... clone3 resumed> => {parent_tid=[5194]}, 88) = 5194 [pid 5195] set_robust_list(0x55558a0856a0, 24 [pid 5194] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5192] <... futex resumed>) = 1 [pid 5190] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] <... rseq resumed>) = 0 [pid 5192] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5195 [pid 5194] set_robust_list(0x7f7b617939a0, 24 [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] <... set_robust_list resumed>) = 0 [pid 5190] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] rt_sigprocmask(SIG_SETMASK, [], [pid 5190] <... futex resumed>) = 0 [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5194] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5193] write(3, "1000", 4 [pid 5191] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5189] <... futex resumed>) = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5194] <... bpf resumed>) = 3 [pid 5193] <... write resumed>) = 4 [pid 5191] <... futex resumed>) = 1 [pid 5188] <... futex resumed>) = 0 [pid 5195] <... prctl resumed>) = 0 [pid 5194] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] close(3 [pid 5191] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] exit_group(0 [pid 5195] setpgid(0, 0 [pid 5194] <... futex resumed>) = 1 [pid 5193] <... close resumed>) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = ? [pid 5190] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = 1 [pid 5188] <... exit_group resumed>) = ? [pid 5195] <... setpgid resumed>) = 0 [pid 5194] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5191] +++ exited with 0 +++ [pid 5190] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = 0 [pid 5190] <... futex resumed>) = 0 [pid 5188] +++ exited with 0 +++ [pid 5194] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5190] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] <... openat resumed>) = 3 [pid 5193] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5195] write(3, "1000", 4 [pid 5194] <... bpf resumed>) = 4 [pid 5193] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5195] <... write resumed>) = 4 [pid 5194] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5194] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5195] close(3 [pid 5194] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5195] <... close resumed>) = 0 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5190] <... futex resumed>) = 0 [pid 5194] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5190] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5195] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... mmap resumed>) = 0x7f7b61773000 [pid 5193] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5195] <... futex resumed>) = 0 [pid 5193] <... mprotect resumed>) = 0 [pid 5195] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5196 attached NULL, 8) = 0 [pid 5193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5196] set_robust_list(0x55558a0856a0, 24 [pid 5195] <... mmap resumed>) = 0x7f7b61773000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5196 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5195] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5197 attached [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5194] <... bpf resumed>) = 5 [pid 5193] <... clone3 resumed> => {parent_tid=[5197]}, 88) = 5197 [pid 5192] <... bpf resumed>) = 5 [pid 5197] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5195] <... mprotect resumed>) = 0 [pid 5197] <... rseq resumed>) = 0 [pid 5196] <... prctl resumed>) = 0 [pid 5195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5194] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] set_robust_list(0x7f7b617939a0, 24 [pid 5196] setpgid(0, 0 [pid 5195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5194] <... futex resumed>) = 1 [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = 0 [pid 5197] <... set_robust_list resumed>) = 0 [pid 5194] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] exit_group(0 [pid 5189] exit_group(0 [pid 5197] rt_sigprocmask(SIG_SETMASK, [], [pid 5196] <... setpgid resumed>) = 0 [pid 5195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5193] <... futex resumed>) = 0 [pid 5189] <... exit_group resumed>) = ? [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] <... futex resumed>) = ? [pid 5192] <... futex resumed>) = ? [pid 5190] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5198 attached [pid 5197] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5193] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5195] <... clone3 resumed> => {parent_tid=[5198]}, 88) = 5198 [pid 5198] <... rseq resumed>) = 0 [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5198] set_robust_list(0x7f7b617939a0, 24 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5198] <... set_robust_list resumed>) = 0 [pid 5197] <... bpf resumed>) = 3 [pid 5198] rt_sigprocmask(SIG_SETMASK, [], [pid 5197] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... openat resumed>) = 3 [pid 5195] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 0 [pid 5197] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = 0 [pid 5197] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5193] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] write(3, "1000", 4 [pid 5195] <... futex resumed>) = 0 [pid 5198] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5197] <... bpf resumed>) = 4 [pid 5198] <... bpf resumed>) = 3 [pid 5197] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... write resumed>) = 4 [pid 5195] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 1 [pid 5196] close(3 [pid 5195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = 0 [pid 5198] <... futex resumed>) = 0 [pid 5197] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5196] <... close resumed>) = 0 [pid 5195] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5196] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... futex resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5197] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5193] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5196] <... futex resumed>) = 0 [pid 5195] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5198] <... bpf resumed>) = 4 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] +++ exited with 0 +++ [pid 5192] +++ exited with 0 +++ [pid 5190] +++ exited with 0 +++ [pid 5189] +++ exited with 0 +++ [pid 5196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5198] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... mmap resumed>) = 0x7f7b61773000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5189, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5198] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5198] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5196] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5195] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... mprotect resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5195] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5199 attached ./strace-static-x86_64: Process 5200 attached [pid 5199] set_robust_list(0x55558a0856a0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5199 [pid 5200] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5196] <... clone3 resumed> => {parent_tid=[5200]}, 88) = 5200 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5200] <... rseq resumed>) = 0 [pid 5199] <... set_robust_list resumed>) = 0 [pid 5198] <... bpf resumed>) = 5 [pid 5197] <... bpf resumed>) = 5 [pid 5196] rt_sigprocmask(SIG_SETMASK, [], [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5197] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] set_robust_list(0x7f7b617939a0, 24 [pid 5197] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 0 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5201 attached [pid 5200] <... set_robust_list resumed>) = 0 [pid 5199] <... prctl resumed>) = 0 [pid 5198] <... futex resumed>) = 1 [pid 5197] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] <... futex resumed>) = 0 [pid 5193] exit_group(0 [pid 5198] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] exit_group(0 [pid 5193] <... exit_group resumed>) = ? [pid 5197] <... futex resumed>) = ? [pid 5199] setpgid(0, 0 [pid 5197] +++ exited with 0 +++ [pid 5199] <... setpgid resumed>) = 0 [pid 5198] <... futex resumed>) = ? [pid 5201] set_robust_list(0x55558a0856a0, 24 [pid 5200] rt_sigprocmask(SIG_SETMASK, [], [pid 5196] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5198] +++ exited with 0 +++ [pid 5201] <... set_robust_list resumed>) = 0 [pid 5200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] <... futex resumed>) = 0 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5200] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5196] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... prctl resumed>) = 0 [pid 5200] <... bpf resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5201 [pid 5201] setpgid(0, 0 [pid 5200] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... setpgid resumed>) = 0 [pid 5200] <... futex resumed>) = 1 [pid 5196] <... futex resumed>) = 0 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5200] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] <... openat resumed>) = 3 [pid 5196] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... exit_group resumed>) = ? [pid 5201] <... openat resumed>) = 3 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] write(3, "1000", 4 [pid 5196] <... futex resumed>) = 0 [pid 5201] write(3, "1000", 4 [pid 5200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5199] <... write resumed>) = 4 [pid 5196] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... write resumed>) = 4 [pid 5199] close(3 [pid 5201] close(3 [pid 5200] <... bpf resumed>) = 4 [pid 5199] <... close resumed>) = 0 [pid 5199] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... close resumed>) = 0 [pid 5200] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = 0 [pid 5199] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5200] <... futex resumed>) = 1 [pid 5199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5196] <... futex resumed>) = 0 [pid 5201] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5196] <... futex resumed>) = 0 [pid 5201] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5200] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5199] <... mmap resumed>) = 0x7f7b61773000 [pid 5196] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5201] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5199] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5199] <... mprotect resumed>) = 0 [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5199] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5201] <... mmap resumed>) = 0x7f7b61773000 [pid 5195] +++ exited with 0 +++ [pid 5193] +++ exited with 0 +++ [pid 5201] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5201] <... mprotect resumed>) = 0 [pid 5199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5202 attached [pid 5201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5202] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5199] <... clone3 resumed> => {parent_tid=[5202]}, 88) = 5202 [pid 5202] <... rseq resumed>) = 0 [pid 5201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5202] set_robust_list(0x7f7b617939a0, 24 [pid 5201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5202] <... set_robust_list resumed>) = 0 [pid 5199] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5203 attached [pid 5202] rt_sigprocmask(SIG_SETMASK, [], [pid 5203] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5201] <... clone3 resumed> => {parent_tid=[5203]}, 88) = 5203 [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5203] <... rseq resumed>) = 0 [pid 5202] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] rt_sigprocmask(SIG_SETMASK, [], [pid 5199] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] set_robust_list(0x7f7b617939a0, 24 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5201] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... set_robust_list resumed>) = 0 [pid 5202] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5201] <... futex resumed>) = 0 [pid 5199] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5205 ./strace-static-x86_64: Process 5204 attached ./strace-static-x86_64: Process 5205 attached [pid 5203] rt_sigprocmask(SIG_SETMASK, [], [pid 5202] <... bpf resumed>) = 3 [pid 5201] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] set_robust_list(0x55558a0856a0, 24 [pid 5205] set_robust_list(0x55558a0856a0, 24 [pid 5202] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... set_robust_list resumed>) = 0 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5204 [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5202] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5199] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... prctl resumed>) = 0 [pid 5205] <... prctl resumed>) = 0 [pid 5203] <... bpf resumed>) = 3 [pid 5202] <... bpf resumed>) = 4 [pid 5199] <... futex resumed>) = 0 [pid 5204] setpgid(0, 0 [pid 5205] setpgid(0, 0 [pid 5203] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... setpgid resumed>) = 0 [pid 5205] <... setpgid resumed>) = 0 [pid 5202] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5203] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5202] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... openat resumed>) = 3 [pid 5205] <... openat resumed>) = 3 [pid 5203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = 0 [pid 5204] write(3, "1000", 4 [pid 5205] write(3, "1000", 4 [pid 5202] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5201] <... futex resumed>) = 0 [pid 5200] <... bpf resumed>) = 5 [pid 5199] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5204] <... write resumed>) = 4 [pid 5205] <... write resumed>) = 4 [pid 5202] <... bpf resumed>) = 5 [pid 5201] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] close(3 [pid 5205] close(3 [pid 5203] <... bpf resumed>) = 4 [pid 5200] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... close resumed>) = 0 [pid 5205] <... close resumed>) = 0 [pid 5203] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 1 [pid 5196] <... futex resumed>) = 0 [pid 5204] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5196] exit_group(0 [pid 5204] <... futex resumed>) = 0 [pid 5205] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... futex resumed>) = 1 [pid 5201] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = 0 [pid 5196] <... exit_group resumed>) = ? [pid 5204] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5205] <... futex resumed>) = 0 [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] <... futex resumed>) = 0 [pid 5200] +++ exited with 0 +++ [pid 5199] exit_group(0 [pid 5204] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5203] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5201] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5205] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5203] <... bpf resumed>) = 5 [pid 5202] <... futex resumed>) = ? [pid 5199] <... exit_group resumed>) = ? [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] +++ exited with 0 +++ [pid 5204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5203] <... futex resumed>) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5204] <... mmap resumed>) = 0x7f7b61773000 [pid 5203] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] exit_group(0 [pid 5204] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5203] <... futex resumed>) = ? [pid 5204] <... mprotect resumed>) = 0 [pid 5203] +++ exited with 0 +++ [pid 5201] <... exit_group resumed>) = ? [pid 5204] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5205] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5196] +++ exited with 0 +++ [pid 5204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5206 attached ) = 0x7f7b61773000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5205] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5206] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5204] <... clone3 resumed> => {parent_tid=[5206]}, 88) = 5206 [pid 5205] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5206] <... rseq resumed>) = 0 [pid 5204] rt_sigprocmask(SIG_SETMASK, [], [pid 5205] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5206] set_robust_list(0x7f7b617939a0, 24 [pid 5205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5207 attached [pid 5206] <... set_robust_list resumed>) = 0 [pid 5207] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5205] <... clone3 resumed> => {parent_tid=[5207]}, 88) = 5207 [pid 5207] <... rseq resumed>) = 0 [pid 5205] rt_sigprocmask(SIG_SETMASK, [], [pid 5207] set_robust_list(0x7f7b617939a0, 24 [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5207] <... set_robust_list resumed>) = 0 [pid 5205] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] rt_sigprocmask(SIG_SETMASK, [], [pid 5205] <... futex resumed>) = 0 [pid 5207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5207] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5207] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 0 [pid 5207] <... futex resumed>) = 1 [pid 5205] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5205] <... futex resumed>) = 0 [pid 5205] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] rt_sigprocmask(SIG_SETMASK, [], [pid 5204] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5208 attached [pid 5207] <... bpf resumed>) = 4 [pid 5206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] <... futex resumed>) = 0 [pid 5208] set_robust_list(0x55558a0856a0, 24 [pid 5207] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... set_robust_list resumed>) = 0 [pid 5207] <... futex resumed>) = 1 [pid 5205] <... futex resumed>) = 0 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5207] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5204] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... prctl resumed>) = 0 [pid 5207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] <... bpf resumed>) = 3 [pid 5208] setpgid(0, 0 [pid 5207] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5206] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5208 [pid 5208] <... setpgid resumed>) = 0 [pid 5205] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5206] <... futex resumed>) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5206] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5208] <... openat resumed>) = 3 [pid 5208] write(3, "1000", 4) = 4 [pid 5208] close(3) = 0 [pid 5208] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5206] <... bpf resumed>) = 4 [pid 5201] +++ exited with 0 +++ [pid 5199] +++ exited with 0 +++ [pid 5208] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5206] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5208] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5206] <... futex resumed>) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5208] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5206] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5206] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5204] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5209 attached [pid 5208] <... mmap resumed>) = 0x7f7b61773000 [pid 5204] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5208] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5209] set_robust_list(0x55558a0856a0, 24 [pid 5208] <... mprotect resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5209 [pid 5208] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} => {parent_tid=[5210]}, 88) = 5210 [pid 5208] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5211 attached NULL, 8) = 0 [pid 5211] set_robust_list(0x55558a0856a0, 24 [pid 5208] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5211] <... set_robust_list resumed>) = 0 [pid 5208] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5210 attached [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5209] <... set_robust_list resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5211 [pid 5211] <... prctl resumed>) = 0 [pid 5211] setpgid(0, 0 [pid 5210] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5211] <... setpgid resumed>) = 0 [pid 5210] <... rseq resumed>) = 0 [pid 5209] <... prctl resumed>) = 0 [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5210] set_robust_list(0x7f7b617939a0, 24 [pid 5211] <... openat resumed>) = 3 [pid 5210] <... set_robust_list resumed>) = 0 [pid 5209] setpgid(0, 0 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], [pid 5209] <... setpgid resumed>) = 0 [pid 5211] write(3, "1000", 4 [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] <... write resumed>) = 4 [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5211] close(3 [pid 5210] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5211] <... close resumed>) = 0 [pid 5211] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... bpf resumed>) = 3 [pid 5209] <... openat resumed>) = 3 [pid 5211] <... futex resumed>) = 0 [pid 5210] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] write(3, "1000", 4 [pid 5207] <... bpf resumed>) = 5 [pid 5206] <... bpf resumed>) = 5 [pid 5211] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5210] <... futex resumed>) = 1 [pid 5209] <... write resumed>) = 4 [pid 5208] <... futex resumed>) = 0 [pid 5207] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5210] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] close(3 [pid 5208] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = 1 [pid 5206] <... futex resumed>) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5205] <... futex resumed>) = 0 [pid 5211] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5207] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] exit_group(0 [pid 5205] exit_group(0 [pid 5211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5207] <... futex resumed>) = ? [pid 5206] <... futex resumed>) = ? [pid 5204] <... exit_group resumed>) = ? [pid 5211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5207] +++ exited with 0 +++ [pid 5206] +++ exited with 0 +++ [pid 5205] <... exit_group resumed>) = ? [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... close resumed>) = 0 [pid 5208] <... futex resumed>) = 0 [pid 5211] <... mmap resumed>) = 0x7f7b61773000 [pid 5210] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5209] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5209] <... futex resumed>) = 0 [pid 5211] <... mprotect resumed>) = 0 [pid 5209] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5210] <... bpf resumed>) = 4 [pid 5209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5211] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5212 attached [pid 5210] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... mmap resumed>) = 0x7f7b61773000 [pid 5212] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5211] <... clone3 resumed> => {parent_tid=[5212]}, 88) = 5212 [pid 5210] <... futex resumed>) = 1 [pid 5209] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5208] <... futex resumed>) = 0 [pid 5212] <... rseq resumed>) = 0 [pid 5211] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] <... mprotect resumed>) = 0 [pid 5208] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] set_robust_list(0x7f7b617939a0, 24 [pid 5211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5212] <... set_robust_list resumed>) = 0 [pid 5211] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5208] <... futex resumed>) = 0 [pid 5212] rt_sigprocmask(SIG_SETMASK, [], [pid 5211] <... futex resumed>) = 0 [pid 5210] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5208] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5212] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5212] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5211] <... futex resumed>) = 0 [pid 5209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5212] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] <... futex resumed>) = 0 [pid 5212] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5211] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5213 attached [pid 5213] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5212] <... bpf resumed>) = 4 [pid 5209] <... clone3 resumed> => {parent_tid=[5213]}, 88) = 5213 [pid 5213] <... rseq resumed>) = 0 [pid 5212] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] set_robust_list(0x7f7b617939a0, 24 [pid 5212] <... futex resumed>) = 1 [pid 5211] <... futex resumed>) = 0 [pid 5209] rt_sigprocmask(SIG_SETMASK, [], [pid 5213] <... set_robust_list resumed>) = 0 [pid 5212] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5211] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5213] rt_sigprocmask(SIG_SETMASK, [], [pid 5211] <... futex resumed>) = 0 [pid 5213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5209] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5209] <... futex resumed>) = 0 [pid 5209] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] +++ exited with 0 +++ [pid 5213] <... bpf resumed>) = 3 [pid 5213] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5213] <... futex resumed>) = 1 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5213] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] <... futex resumed>) = 0 [pid 5204] +++ exited with 0 +++ [pid 5209] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5213] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5209] <... futex resumed>) = 0 [pid 5209] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5214 attached [pid 5213] <... bpf resumed>) = 4 [pid 5214] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5213] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5214 [pid 5214] setpgid(0, 0 [pid 5213] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5214] <... setpgid resumed>) = 0 [pid 5213] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5209] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5209] <... futex resumed>) = 0 [pid 5209] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5215 ./strace-static-x86_64: Process 5215 attached [pid 5214] <... openat resumed>) = 3 [pid 5215] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5214] write(3, "1000", 4 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5214] <... write resumed>) = 4 [pid 5210] <... bpf resumed>) = 5 [pid 5215] <... prctl resumed>) = 0 [pid 5214] close(3 [pid 5210] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] setpgid(0, 0 [pid 5213] <... bpf resumed>) = 5 [pid 5212] <... bpf resumed>) = 5 [pid 5215] <... setpgid resumed>) = 0 [pid 5214] <... close resumed>) = 0 [pid 5213] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = 1 [pid 5208] <... futex resumed>) = 0 [pid 5212] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5213] <... futex resumed>) = 1 [pid 5212] <... futex resumed>) = 1 [pid 5211] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5208] exit_group(0 [pid 5211] exit_group(0 [pid 5209] exit_group(0 [pid 5211] <... exit_group resumed>) = ? [pid 5209] <... exit_group resumed>) = ? [pid 5214] <... futex resumed>) = 0 [pid 5208] <... exit_group resumed>) = ? [pid 5215] <... openat resumed>) = 3 [pid 5210] <... futex resumed>) = ? [pid 5214] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5215] write(3, "1000", 4) = 4 [pid 5215] close(3) = 0 [pid 5215] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5215] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5210] +++ exited with 0 +++ [pid 5208] +++ exited with 0 +++ [pid 5215] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5215] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5213] +++ exited with 0 +++ [pid 5212] +++ exited with 0 +++ [pid 5211] +++ exited with 0 +++ [pid 5209] +++ exited with 0 +++ [pid 5215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5216 attached [pid 5214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5216] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5215] <... clone3 resumed> => {parent_tid=[5216]}, 88) = 5216 [pid 5214] <... mmap resumed>) = 0x7f7b61773000 [pid 5216] <... rseq resumed>) = 0 [pid 5216] set_robust_list(0x7f7b617939a0, 24 [pid 5215] rt_sigprocmask(SIG_SETMASK, [], [pid 5214] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5216] <... set_robust_list resumed>) = 0 [pid 5215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5214] <... mprotect resumed>) = 0 [pid 5216] rt_sigprocmask(SIG_SETMASK, [], [pid 5215] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5215] <... futex resumed>) = 0 [pid 5214] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5217 attached [pid 5215] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5217 [pid 5217] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5216] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5219 attached ./strace-static-x86_64: Process 5218 attached ) = 0 [pid 5216] <... bpf resumed>) = 3 [pid 5219] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5218] set_robust_list(0x55558a0856a0, 24 [pid 5217] setpgid(0, 0 [pid 5216] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... clone3 resumed> => {parent_tid=[5219]}, 88) = 5219 [pid 5219] <... rseq resumed>) = 0 [pid 5218] <... set_robust_list resumed>) = 0 [pid 5216] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5214] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5218 [pid 5219] set_robust_list(0x7f7b617939a0, 24 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5217] <... setpgid resumed>) = 0 [pid 5216] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5215] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5220 attached [pid 5219] <... set_robust_list resumed>) = 0 [pid 5218] <... prctl resumed>) = 0 [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] <... futex resumed>) = 0 [pid 5214] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] set_robust_list(0x55558a0856a0, 24 [pid 5219] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] setpgid(0, 0 [pid 5216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5215] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] <... futex resumed>) = 0 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] <... setpgid resumed>) = 0 [pid 5217] <... openat resumed>) = 3 [pid 5214] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5220 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5219] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5220] <... prctl resumed>) = 0 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5217] write(3, "1000", 4 [pid 5216] <... bpf resumed>) = 4 [pid 5220] setpgid(0, 0) = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1000", 4 [pid 5219] <... bpf resumed>) = 3 [pid 5218] <... openat resumed>) = 3 [pid 5217] <... write resumed>) = 4 [pid 5216] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... write resumed>) = 4 [pid 5219] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] write(3, "1000", 4 [pid 5220] close(3 [pid 5219] <... futex resumed>) = 1 [pid 5218] <... write resumed>) = 4 [pid 5220] <... close resumed>) = 0 [pid 5219] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] close(3 [pid 5220] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... close resumed>) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5218] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5218] <... futex resumed>) = 0 [pid 5220] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5218] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5218] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5220] <... mmap resumed>) = 0x7f7b61773000 [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5220] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5218] <... mmap resumed>) = 0x7f7b61773000 [pid 5220] <... mprotect resumed>) = 0 [pid 5218] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5217] close(3 [pid 5216] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5218] <... mprotect resumed>) = 0 [pid 5217] <... close resumed>) = 0 [pid 5216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5215] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5217] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = 0 [pid 5214] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5215] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5214] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5221 attached [pid 5219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5217] <... futex resumed>) = 0 [pid 5216] <... bpf resumed>) = 5 [pid 5218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5214] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5220] <... clone3 resumed> => {parent_tid=[5221]}, 88) = 5221 [pid 5217] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5221] <... rseq resumed>) = 0 [pid 5221] set_robust_list(0x7f7b617939a0, 24 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], [pid 5219] <... bpf resumed>) = 4 [pid 5218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5217] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5216] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5216] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5222 attached [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5220] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 1 [pid 5218] <... clone3 resumed> => {parent_tid=[5222]}, 88) = 5222 [pid 5217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5215] exit_group(0 [pid 5214] <... futex resumed>) = 0 [pid 5222] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] rt_sigprocmask(SIG_SETMASK, [], [pid 5217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5216] <... futex resumed>) = ? [pid 5215] <... exit_group resumed>) = ? [pid 5214] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5222] <... rseq resumed>) = 0 [pid 5220] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] set_robust_list(0x7f7b617939a0, 24 [pid 5221] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] <... mmap resumed>) = 0x7f7b61773000 [pid 5214] <... futex resumed>) = 0 [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] <... bpf resumed>) = 3 [pid 5219] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5218] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5216] +++ exited with 0 +++ [pid 5215] +++ exited with 0 +++ [pid 5214] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5222] rt_sigprocmask(SIG_SETMASK, [], [pid 5221] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 0 [pid 5217] <... mprotect resumed>) = 0 [pid 5222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] <... futex resumed>) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5218] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5221] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5220] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5220] <... futex resumed>) = 0 [pid 5217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5223 attached [pid 5223] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5217] <... clone3 resumed> => {parent_tid=[5223]}, 88) = 5223 [pid 5223] <... rseq resumed>) = 0 [pid 5222] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] rt_sigprocmask(SIG_SETMASK, [], [pid 5223] set_robust_list(0x7f7b617939a0, 24 [pid 5222] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = 0 [pid 5217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5218] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] <... futex resumed>) = 0 [pid 5223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... futex resumed>) = 0 [pid 5223] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5217] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5223] <... bpf resumed>) = 3 [pid 5221] <... bpf resumed>) = 4 [pid 5223] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5223] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = 0 [pid 5223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5217] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] <... bpf resumed>) = 4 [pid 5223] <... bpf resumed>) = 4 [pid 5222] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5224 ./strace-static-x86_64: Process 5224 attached [pid 5221] <... futex resumed>) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5224] set_robust_list(0x55558a0856a0, 24 [pid 5223] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... futex resumed>) = 1 [pid 5221] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5220] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... bpf resumed>) = 5 [pid 5218] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5224] <... set_robust_list resumed>) = 0 [pid 5222] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5223] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] <... bpf resumed>) = 5 [pid 5219] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... prctl resumed>) = 0 [pid 5223] <... bpf resumed>) = 5 [pid 5222] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5219] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = 0 [pid 5217] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5223] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5217] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5214] exit_group(0 [pid 5224] setpgid(0, 0 [pid 5223] <... futex resumed>) = 0 [pid 5222] <... bpf resumed>) = 5 [pid 5221] <... futex resumed>) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = ? [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] <... exit_group resumed>) = ? [pid 5224] <... setpgid resumed>) = 0 [pid 5223] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] exit_group(0 [pid 5219] +++ exited with 0 +++ [pid 5217] exit_group(0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5222] <... futex resumed>) = 1 [pid 5220] <... exit_group resumed>) = ? [pid 5221] <... futex resumed>) = ? [pid 5218] <... futex resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5222] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] exit_group(0 [pid 5217] <... exit_group resumed>) = ? [pid 5224] write(3, "1000", 4 [pid 5223] <... futex resumed>) = ? [pid 5222] <... futex resumed>) = ? [pid 5218] <... exit_group resumed>) = ? [pid 5224] <... write resumed>) = 4 [pid 5222] +++ exited with 0 +++ [pid 5224] close(3) = 0 [pid 5224] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5223] +++ exited with 0 +++ [pid 5217] +++ exited with 0 +++ [pid 5224] <... mmap resumed>) = 0x7f7b61773000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5224] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5224] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5214] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} => {parent_tid=[5225]}, 88) = 5225 [pid 5224] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5226 attached ./strace-static-x86_64: Process 5227 attached ./strace-static-x86_64: Process 5225 attached [pid 5224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5224] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] set_robust_list(0x55558a0856a0, 24 [pid 5226] set_robust_list(0x55558a0856a0, 24 [pid 5225] <... rseq resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5227 [pid 5227] <... set_robust_list resumed>) = 0 [pid 5225] set_robust_list(0x7f7b617939a0, 24 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] <... set_robust_list resumed>) = 0 [pid 5225] <... set_robust_list resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5226 [pid 5224] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5225] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... prctl resumed>) = 0 [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] setpgid(0, 0 [pid 5226] <... prctl resumed>) = 0 [pid 5225] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5227] <... setpgid resumed>) = 0 [pid 5226] setpgid(0, 0 [pid 5225] <... bpf resumed>) = 3 [pid 5226] <... setpgid resumed>) = 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... openat resumed>) = 3 [pid 5225] <... futex resumed>) = 1 [pid 5226] <... openat resumed>) = 3 [pid 5225] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] write(3, "1000", 4 [pid 5226] write(3, "1000", 4 [pid 5224] <... futex resumed>) = 0 [pid 5224] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... write resumed>) = 4 [pid 5226] <... write resumed>) = 4 [pid 5225] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = 1 [pid 5225] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5227] close(3 [pid 5226] close(3 [pid 5225] <... bpf resumed>) = 4 [pid 5224] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] +++ exited with 0 +++ [pid 5220] +++ exited with 0 +++ [pid 5226] <... close resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5227] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... futex resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5227] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5226] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5227] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5228 attached [pid 5227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5226] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5225] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] +++ exited with 0 +++ [pid 5228] set_robust_list(0x55558a0856a0, 24 [pid 5227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5228] <... set_robust_list resumed>) = 0 [pid 5227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... futex resumed>) = 1 [pid 5224] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5228 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5227] <... mmap resumed>) = 0x7f7b61773000 [pid 5226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5224] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... prctl resumed>) = 0 [pid 5227] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5226] <... mmap resumed>) = 0x7f7b61773000 [pid 5225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5224] <... futex resumed>) = 0 [pid 5227] <... mprotect resumed>) = 0 [pid 5227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5225] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5224] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5228] setpgid(0, 0 [pid 5227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5226] <... mprotect resumed>) = 0 [pid 5227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5226] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] <... setpgid resumed>) = 0 [pid 5227] <... clone3 resumed> => {parent_tid=[5229]}, 88) = 5229 [pid 5226] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5227] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5230 attached ./strace-static-x86_64: Process 5229 attached [pid 5228] <... openat resumed>) = 3 [pid 5227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5229] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5231 [pid 5229] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 5231 attached [pid 5229] set_robust_list(0x7f7b617939a0, 24 [pid 5227] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] set_robust_list(0x55558a0856a0, 24 [pid 5230] <... rseq resumed>) = 0 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5228] write(3, "1000", 4 [pid 5227] <... futex resumed>) = 0 [pid 5231] <... set_robust_list resumed>) = 0 [pid 5230] set_robust_list(0x7f7b617939a0, 24 [pid 5229] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] <... write resumed>) = 4 [pid 5227] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... clone3 resumed> => {parent_tid=[5230]}, 88) = 5230 [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5230] <... set_robust_list resumed>) = 0 [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] close(3 [pid 5226] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5228] <... close resumed>) = 0 [pid 5231] <... prctl resumed>) = 0 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] setpgid(0, 0 [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... bpf resumed>) = 3 [pid 5228] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... setpgid resumed>) = 0 [pid 5230] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5229] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5230] <... bpf resumed>) = 3 [pid 5229] <... futex resumed>) = 1 [pid 5228] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5227] <... futex resumed>) = 0 [pid 5226] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5228] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5227] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... openat resumed>) = 3 [pid 5230] <... futex resumed>) = 1 [pid 5228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5227] <... futex resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5231] write(3, "1000", 4 [pid 5230] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... bpf resumed>) = 5 [pid 5231] <... write resumed>) = 4 [pid 5229] <... bpf resumed>) = 4 [pid 5228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5226] <... futex resumed>) = 0 [pid 5225] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... bpf resumed>) = 4 [pid 5231] close(3 [pid 5230] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... mmap resumed>) = 0x7f7b61773000 [pid 5226] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... futex resumed>) = 1 [pid 5231] <... close resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5229] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5224] <... futex resumed>) = 0 [pid 5231] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] <... futex resumed>) = 1 [pid 5228] <... mprotect resumed>) = 0 [pid 5227] <... futex resumed>) = 0 [pid 5226] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] exit_group(0 [pid 5231] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... futex resumed>) = ? [pid 5224] <... exit_group resumed>) = ? [pid 5231] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5230] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5228] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] <... futex resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5231] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5230] <... bpf resumed>) = 5 [pid 5229] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5227] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5226] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5232 attached [pid 5231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5230] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... bpf resumed>) = 5 [pid 5232] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] <... futex resumed>) = 1 [pid 5229] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... clone3 resumed> => {parent_tid=[5232]}, 88) = 5232 [pid 5226] <... futex resumed>) = 0 [pid 5232] <... rseq resumed>) = 0 [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5230] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] <... futex resumed>) = 1 [pid 5228] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... futex resumed>) = 0 [pid 5226] exit_group(0 [pid 5225] +++ exited with 0 +++ [pid 5224] +++ exited with 0 +++ [pid 5232] set_robust_list(0x7f7b617939a0, 24 [pid 5231] <... mmap resumed>) = 0x7f7b61773000 [pid 5230] <... futex resumed>) = ? [pid 5229] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] exit_group(0 [pid 5226] <... exit_group resumed>) = ? [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5232] <... set_robust_list resumed>) = 0 [pid 5231] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5230] +++ exited with 0 +++ [pid 5229] <... futex resumed>) = ? [pid 5228] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... exit_group resumed>) = ? [pid 5232] rt_sigprocmask(SIG_SETMASK, [], [pid 5231] <... mprotect resumed>) = 0 [pid 5229] +++ exited with 0 +++ [pid 5228] <... futex resumed>) = 0 [pid 5232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5231] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5232] <... bpf resumed>) = 3 [pid 5231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5233 attached [pid 5233] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5231] <... clone3 resumed> => {parent_tid=[5233]}, 88) = 5233 [pid 5233] <... rseq resumed>) = 0 [pid 5232] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5234 attached [pid 5233] set_robust_list(0x7f7b617939a0, 24 [pid 5232] <... futex resumed>) = 1 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5234 [pid 5234] set_robust_list(0x55558a0856a0, 24 [pid 5233] <... set_robust_list resumed>) = 0 [pid 5232] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... set_robust_list resumed>) = 0 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5228] <... futex resumed>) = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5233] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5231] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... prctl resumed>) = 0 [pid 5233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5234] setpgid(0, 0 [pid 5233] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5232] <... bpf resumed>) = 4 [pid 5231] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... setpgid resumed>) = 0 [pid 5233] <... bpf resumed>) = 3 [pid 5232] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5233] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = 1 [pid 5228] <... futex resumed>) = 0 [pid 5234] <... openat resumed>) = 3 [pid 5233] <... futex resumed>) = 1 [pid 5232] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] <... futex resumed>) = 0 [pid 5228] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] write(3, "1000", 4 [pid 5233] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = 0 [pid 5234] <... write resumed>) = 4 [pid 5232] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5228] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5234] close(3 [pid 5233] <... bpf resumed>) = 4 [pid 5231] <... futex resumed>) = 0 [pid 5234] <... close resumed>) = 0 [pid 5227] +++ exited with 0 +++ [pid 5226] +++ exited with 0 +++ [pid 5234] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5234] <... futex resumed>) = 0 [pid 5234] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5233] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5233] <... futex resumed>) = 0 [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5233] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5231] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... mmap resumed>) = 0x7f7b61773000 [pid 5231] <... futex resumed>) = 0 [pid 5234] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5231] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5234] <... mprotect resumed>) = 0 [pid 5234] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5236 attached ./strace-static-x86_64: Process 5235 attached [pid 5236] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5234] <... clone3 resumed> => {parent_tid=[5236]}, 88) = 5236 [pid 5236] <... rseq resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5235 [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5236] set_robust_list(0x7f7b617939a0, 24./strace-static-x86_64: Process 5237 attached ) = 0 [pid 5235] set_robust_list(0x55558a0856a0, 24 [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] <... set_robust_list resumed>) = 0 [pid 5237] set_robust_list(0x55558a0856a0, 24 [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5236] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5234] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5237 [pid 5237] <... prctl resumed>) = 0 [pid 5236] <... bpf resumed>) = 3 [pid 5235] <... prctl resumed>) = 0 [pid 5233] <... bpf resumed>) = 5 [pid 5232] <... bpf resumed>) = 5 [pid 5233] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] setpgid(0, 0 [pid 5233] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5237] setpgid(0, 0 [pid 5236] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... setpgid resumed>) = 0 [pid 5232] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] exit_group(0 [pid 5237] <... setpgid resumed>) = 0 [pid 5236] <... futex resumed>) = 1 [pid 5234] <... futex resumed>) = 0 [pid 5232] <... futex resumed>) = 1 [pid 5228] <... futex resumed>) = 0 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5236] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5234] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] <... exit_group resumed>) = ? [pid 5228] exit_group(0 [pid 5237] <... openat resumed>) = 3 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] <... futex resumed>) = 0 [pid 5232] <... futex resumed>) = ? [pid 5228] <... exit_group resumed>) = ? [pid 5232] +++ exited with 0 +++ [pid 5237] write(3, "1000", 4 [pid 5236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5235] <... openat resumed>) = 3 [pid 5234] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] +++ exited with 0 +++ [pid 5231] +++ exited with 0 +++ [pid 5228] +++ exited with 0 +++ [pid 5237] <... write resumed>) = 4 [pid 5237] close(3 [pid 5236] <... bpf resumed>) = 4 [pid 5235] write(3, "1000", 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5237] <... close resumed>) = 0 [pid 5236] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... write resumed>) = 4 [pid 5237] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = 1 [pid 5235] close(3 [pid 5234] <... futex resumed>) = 0 [pid 5236] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5235] <... close resumed>) = 0 [pid 5234] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... futex resumed>) = 0 [pid 5235] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5235] <... futex resumed>) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5234] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5237] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5235] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5237] <... mmap resumed>) = 0x7f7b61773000 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5235] <... mmap resumed>) = 0x7f7b61773000 [pid 5237] <... mprotect resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5237] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5235] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5237] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} => {parent_tid=[5238]}, 88) = 5238 [pid 5235] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5237] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5237] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5240 attached [pid 5237] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5237] <... futex resumed>) = 0 [pid 5235] <... clone3 resumed> => {parent_tid=[5240]}, 88) = 5240 [pid 5240] <... rseq resumed>) = 0 [pid 5237] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] set_robust_list(0x7f7b617939a0, 24 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5235] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] <... futex resumed>) = 0 [pid 5240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5239 attached ./strace-static-x86_64: Process 5238 attached ./strace-static-x86_64: Process 5241 attached [pid 5240] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5239] set_robust_list(0x55558a0856a0, 24 [pid 5238] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5241] set_robust_list(0x55558a0856a0, 24 [pid 5239] <... set_robust_list resumed>) = 0 [pid 5238] <... rseq resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5241 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5239 [pid 5241] <... set_robust_list resumed>) = 0 [pid 5240] <... bpf resumed>) = 3 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5238] set_robust_list(0x7f7b617939a0, 24 [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5240] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... prctl resumed>) = 0 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5240] <... futex resumed>) = 1 [pid 5239] setpgid(0, 0 [pid 5241] <... prctl resumed>) = 0 [pid 5238] rt_sigprocmask(SIG_SETMASK, [], [pid 5236] <... bpf resumed>) = 5 [pid 5235] <... futex resumed>) = 0 [pid 5239] <... setpgid resumed>) = 0 [pid 5238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] setpgid(0, 0 [pid 5240] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5241] <... setpgid resumed>) = 0 [pid 5240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5236] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5238] <... bpf resumed>) = 3 [pid 5240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5238] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... openat resumed>) = 3 [pid 5238] <... futex resumed>) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5236] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] exit_group(0 [pid 5237] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5238] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5236] <... futex resumed>) = ? [pid 5234] <... exit_group resumed>) = ? [pid 5241] write(3, "1000", 4 [pid 5236] +++ exited with 0 +++ [pid 5241] <... write resumed>) = 4 [pid 5241] close(3) = 0 [pid 5241] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] write(3, "1000", 4 [pid 5241] <... futex resumed>) = 0 [pid 5239] <... write resumed>) = 4 [pid 5241] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5241] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] <... bpf resumed>) = 4 [pid 5239] close(3 [pid 5238] <... bpf resumed>) = 4 [pid 5234] +++ exited with 0 +++ [pid 5240] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 1 [pid 5235] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5240] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5239] <... close resumed>) = 0 [pid 5238] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5242 attached [pid 5241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5240] <... bpf resumed>) = 5 [pid 5239] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5235] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5239] <... futex resumed>) = 0 [pid 5238] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5243 attached [pid 5239] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... futex resumed>) = 0 [pid 5242] set_robust_list(0x55558a0856a0, 24 [pid 5243] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5242] <... set_robust_list resumed>) = 0 [pid 5240] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... clone3 resumed> => {parent_tid=[5243]}, 88) = 5243 [pid 5239] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5238] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5237] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5243] <... rseq resumed>) = 0 [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] <... futex resumed>) = 1 [pid 5239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5238] <... bpf resumed>) = 5 [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5243] set_robust_list(0x7f7b617939a0, 24 [pid 5242] <... prctl resumed>) = 0 [pid 5241] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] exit_group(0 [pid 5243] <... set_robust_list resumed>) = 0 [pid 5242] setpgid(0, 0 [pid 5241] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = ? [pid 5239] <... mmap resumed>) = 0x7f7b61773000 [pid 5238] <... futex resumed>) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5235] <... exit_group resumed>) = ? [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5242 [pid 5243] rt_sigprocmask(SIG_SETMASK, [], [pid 5242] <... setpgid resumed>) = 0 [pid 5241] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] +++ exited with 0 +++ [pid 5239] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5238] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] exit_group(0 [pid 5243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5239] <... mprotect resumed>) = 0 [pid 5238] <... futex resumed>) = ? [pid 5237] <... exit_group resumed>) = ? [pid 5243] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5242] <... openat resumed>) = 3 [pid 5243] <... bpf resumed>) = 3 [pid 5243] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5241] <... futex resumed>) = 0 [pid 5239] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5243] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] write(3, "1000", 4 [pid 5241] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] <... write resumed>) = 4 [pid 5241] <... futex resumed>) = 0 [pid 5239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5242] close(3 [pid 5241] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5244 attached [pid 5242] <... close resumed>) = 0 [pid 5244] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5242] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... clone3 resumed> => {parent_tid=[5244]}, 88) = 5244 [pid 5242] <... futex resumed>) = 0 [pid 5244] <... rseq resumed>) = 0 [pid 5242] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5239] rt_sigprocmask(SIG_SETMASK, [], [pid 5244] set_robust_list(0x7f7b617939a0, 24 [pid 5243] <... bpf resumed>) = 4 [pid 5242] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5244] <... set_robust_list resumed>) = 0 [pid 5242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5239] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] rt_sigprocmask(SIG_SETMASK, [], [pid 5243] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5243] <... futex resumed>) = 1 [pid 5242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] <... futex resumed>) = 0 [pid 5239] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5243] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... bpf resumed>) = 3 [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] <... mmap resumed>) = 0x7f7b61773000 [pid 5241] <... futex resumed>) = 0 [pid 5244] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5244] <... futex resumed>) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5243] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5242] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5244] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5239] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... mprotect resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5244] <... bpf resumed>) = 4 [pid 5242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5239] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5244] <... futex resumed>) = 0 [pid 5239] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5239] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5245 attached [pid 5242] <... clone3 resumed> => {parent_tid=[5245]}, 88) = 5245 [pid 5245] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5242] rt_sigprocmask(SIG_SETMASK, [], [pid 5245] <... rseq resumed>) = 0 [pid 5245] set_robust_list(0x7f7b617939a0, 24 [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] <... set_robust_list resumed>) = 0 [pid 5242] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5245] rt_sigprocmask(SIG_SETMASK, [], [pid 5242] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5245] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5242] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5242] <... futex resumed>) = 0 [pid 5242] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] <... bpf resumed>) = 4 [pid 5245] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5238] +++ exited with 0 +++ [pid 5237] +++ exited with 0 +++ [pid 5235] +++ exited with 0 +++ [pid 5242] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5245] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5242] <... futex resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5242] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5246 attached [pid 5246] set_robust_list(0x55558a0856a0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5246 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5246] setpgid(0, 0./strace-static-x86_64: Process 5247 attached [pid 5245] <... bpf resumed>) = 5 [pid 5244] <... bpf resumed>) = 5 [pid 5243] <... bpf resumed>) = 5 [pid 5247] set_robust_list(0x55558a0856a0, 24 [pid 5246] <... setpgid resumed>) = 0 [pid 5245] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... set_robust_list resumed>) = 0 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5245] <... futex resumed>) = 1 [pid 5244] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5243] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5247 [pid 5242] exit_group(0 [pid 5241] <... futex resumed>) = 0 [pid 5242] <... exit_group resumed>) = ? [pid 5247] <... prctl resumed>) = 0 [pid 5246] <... openat resumed>) = 3 [pid 5244] <... futex resumed>) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5247] setpgid(0, 0 [pid 5246] write(3, "1000", 4 [pid 5244] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] <... futex resumed>) = 1 [pid 5241] exit_group(0 [pid 5239] exit_group(0 [pid 5247] <... setpgid resumed>) = 0 [pid 5246] <... write resumed>) = 4 [pid 5244] <... futex resumed>) = ? [pid 5241] <... exit_group resumed>) = ? [pid 5239] <... exit_group resumed>) = ? [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5246] close(3 [pid 5245] +++ exited with 0 +++ [pid 5244] +++ exited with 0 +++ [pid 5243] +++ exited with 0 +++ [pid 5242] +++ exited with 0 +++ [pid 5246] <... close resumed>) = 0 [pid 5247] <... openat resumed>) = 3 [pid 5246] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5246] <... futex resumed>) = 0 [pid 5247] write(3, "1000", 4 [pid 5246] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5247] <... write resumed>) = 4 [pid 5247] close(3 [pid 5246] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5247] <... close resumed>) = 0 [pid 5246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5247] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] <... futex resumed>) = 0 [pid 5246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5247] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5246] <... mmap resumed>) = 0x7f7b61773000 [pid 5247] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5246] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5246] <... mprotect resumed>) = 0 [pid 5247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5246] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5247] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5246] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5247] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5248 attached [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5248] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5246] <... clone3 resumed> => {parent_tid=[5248]}, 88) = 5248 ./strace-static-x86_64: Process 5249 attached [pid 5246] rt_sigprocmask(SIG_SETMASK, [], [pid 5249] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5247] <... clone3 resumed> => {parent_tid=[5249]}, 88) = 5249 [pid 5246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] <... rseq resumed>) = 0 [pid 5247] rt_sigprocmask(SIG_SETMASK, [], [pid 5246] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] set_robust_list(0x7f7b617939a0, 24 [pid 5248] <... rseq resumed>) = 0 [pid 5247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5249] <... set_robust_list resumed>) = 0 [pid 5248] set_robust_list(0x7f7b617939a0, 24 [pid 5247] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5250 attached [pid 5249] rt_sigprocmask(SIG_SETMASK, [], [pid 5248] <... set_robust_list resumed>) = 0 [pid 5247] <... futex resumed>) = 0 [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5248] rt_sigprocmask(SIG_SETMASK, [], [pid 5247] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5250 [pid 5250] set_robust_list(0x55558a0856a0, 24 [pid 5248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5250] <... set_robust_list resumed>) = 0 [pid 5249] <... bpf resumed>) = 3 [pid 5248] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5249] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... bpf resumed>) = 3 [pid 5250] <... prctl resumed>) = 0 [pid 5248] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = 1 [pid 5248] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5250] setpgid(0, 0) = 0 [pid 5249] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5248] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5247] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] <... openat resumed>) = 3 [pid 5249] <... bpf resumed>) = 4 [pid 5250] write(3, "1000", 4 [pid 5249] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5250] <... write resumed>) = 4 [pid 5249] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5247] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... bpf resumed>) = 4 [pid 5250] close(3 [pid 5247] <... futex resumed>) = 0 [pid 5248] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5250] <... close resumed>) = 0 [pid 5248] <... futex resumed>) = 1 [pid 5246] <... futex resumed>) = 0 [pid 5248] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5246] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5248] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5246] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5250] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5241] +++ exited with 0 +++ [pid 5239] +++ exited with 0 +++ [pid 5250] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5241, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5250] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5252 attached ./strace-static-x86_64: Process 5251 attached [pid 5250] <... mprotect resumed>) = 0 [pid 5252] set_robust_list(0x55558a0856a0, 24 [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5251 [pid 5251] set_robust_list(0x55558a0856a0, 24 [pid 5249] <... bpf resumed>) = 5 [pid 5248] <... bpf resumed>) = 5 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5252 [pid 5250] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5248] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5249] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5249] <... futex resumed>) = 1 [pid 5248] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5253 attached [pid 5252] <... prctl resumed>) = 0 [pid 5251] <... prctl resumed>) = 0 [pid 5249] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] exit_group(0 [pid 5246] exit_group(0 [pid 5253] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5252] setpgid(0, 0 [pid 5251] setpgid(0, 0 [pid 5250] <... clone3 resumed> => {parent_tid=[5253]}, 88) = 5253 [pid 5249] <... futex resumed>) = ? [pid 5248] <... futex resumed>) = ? [pid 5247] <... exit_group resumed>) = ? [pid 5246] <... exit_group resumed>) = ? [pid 5253] <... rseq resumed>) = 0 [pid 5252] <... setpgid resumed>) = 0 [pid 5251] <... setpgid resumed>) = 0 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], [pid 5249] +++ exited with 0 +++ [pid 5248] +++ exited with 0 +++ [pid 5253] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5251] <... openat resumed>) = 3 [pid 5250] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5252] <... openat resumed>) = 3 [pid 5253] <... bpf resumed>) = 3 [pid 5251] write(3, "1000", 4 [pid 5250] <... futex resumed>) = 0 [pid 5253] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... write resumed>) = 4 [pid 5250] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] <... futex resumed>) = 0 [pid 5251] close(3 [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] write(3, "1000", 4 [pid 5251] <... close resumed>) = 0 [pid 5250] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5252] <... write resumed>) = 4 [pid 5251] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = 0 [pid 5253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5252] close(3 [pid 5251] <... futex resumed>) = 0 [pid 5250] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] <... close resumed>) = 0 [pid 5251] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5252] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5252] <... futex resumed>) = 0 [pid 5251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5253] <... bpf resumed>) = 4 [pid 5252] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5253] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5252] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5250] <... futex resumed>) = 0 [pid 5253] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5251] <... mmap resumed>) = 0x7f7b61773000 [pid 5250] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5250] <... futex resumed>) = 0 [pid 5253] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5251] <... mprotect resumed>) = 0 [pid 5250] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5252] <... mmap resumed>) = 0x7f7b61773000 [pid 5251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5252] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5252] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5252] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5254 attached [pid 5252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5255 attached [pid 5254] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5251] <... clone3 resumed> => {parent_tid=[5254]}, 88) = 5254 [pid 5255] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5254] <... rseq resumed>) = 0 [pid 5252] <... clone3 resumed> => {parent_tid=[5255]}, 88) = 5255 [pid 5251] rt_sigprocmask(SIG_SETMASK, [], [pid 5255] <... rseq resumed>) = 0 [pid 5254] set_robust_list(0x7f7b617939a0, 24 [pid 5252] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5255] set_robust_list(0x7f7b617939a0, 24 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5251] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] <... futex resumed>) = 0 [pid 5254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... set_robust_list resumed>) = 0 [pid 5254] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5255] rt_sigprocmask(SIG_SETMASK, [], [pid 5254] <... bpf resumed>) = 3 [pid 5255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5254] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5252] <... futex resumed>) = 0 [pid 5254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5252] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... bpf resumed>) = 3 [pid 5255] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... bpf resumed>) = 4 [pid 5251] <... futex resumed>) = 0 [pid 5255] <... futex resumed>) = 1 [pid 5252] <... futex resumed>) = 0 [pid 5251] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5254] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = 0 [pid 5255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5254] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5254] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] <... futex resumed>) = 0 [pid 5254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5251] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5255] <... bpf resumed>) = 4 [pid 5247] +++ exited with 0 +++ [pid 5246] +++ exited with 0 +++ [pid 5255] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5255] <... futex resumed>) = 1 [pid 5252] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5255] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5252] <... futex resumed>) = 0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5252] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5256 attached [pid 5256] set_robust_list(0x55558a0856a0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5256 [pid 5256] <... set_robust_list resumed>) = 0 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5257 attached ) = 0 [pid 5257] set_robust_list(0x55558a0856a0, 24 [pid 5256] setpgid(0, 0 [pid 5257] <... set_robust_list resumed>) = 0 [pid 5256] <... setpgid resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5257 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5257] setpgid(0, 0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5257] <... setpgid resumed>) = 0 [pid 5256] <... openat resumed>) = 3 [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] write(3, "1000", 4) = 4 [pid 5256] close(3) = 0 [pid 5256] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5257] <... openat resumed>) = 3 [pid 5255] <... bpf resumed>) = 5 [pid 5254] <... bpf resumed>) = 5 [pid 5253] <... bpf resumed>) = 5 [pid 5257] write(3, "1000", 4 [pid 5256] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5254] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... write resumed>) = 4 [pid 5256] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5254] <... futex resumed>) = 1 [pid 5253] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5257] close(3 [pid 5256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5254] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] exit_group(0 [pid 5250] exit_group(0 [pid 5257] <... close resumed>) = 0 [pid 5256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] <... futex resumed>) = ? [pid 5251] <... exit_group resumed>) = ? [pid 5255] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... exit_group resumed>) = ? [pid 5255] <... futex resumed>) = 1 [pid 5252] <... futex resumed>) = 0 [pid 5255] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] exit_group(0 [pid 5254] +++ exited with 0 +++ [pid 5251] +++ exited with 0 +++ [pid 5257] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5255] <... futex resumed>) = ? [pid 5253] <... futex resumed>) = ? [pid 5252] <... exit_group resumed>) = ? [pid 5257] <... futex resumed>) = 0 [pid 5256] <... mmap resumed>) = 0x7f7b61773000 [pid 5255] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5257] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5256] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5257] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5256] <... mprotect resumed>) = 0 [pid 5257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5256] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5256] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5257] <... mmap resumed>) = 0x7f7b61773000 [pid 5256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5257] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5259 attached ./strace-static-x86_64: Process 5258 attached [pid 5257] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5256] <... clone3 resumed> => {parent_tid=[5258]}, 88) = 5258 [pid 5259] set_robust_list(0x55558a0856a0, 24 [pid 5258] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5257] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5256] rt_sigprocmask(SIG_SETMASK, [], [pid 5257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5260 attached [pid 5259] <... set_robust_list resumed>) = 0 [pid 5258] <... rseq resumed>) = 0 [pid 5256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5260] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5257] <... clone3 resumed> => {parent_tid=[5260]}, 88) = 5260 [pid 5260] <... rseq resumed>) = 0 [pid 5258] set_robust_list(0x7f7b617939a0, 24 [pid 5257] rt_sigprocmask(SIG_SETMASK, [], [pid 5256] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] set_robust_list(0x7f7b617939a0, 24 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5258] <... set_robust_list resumed>) = 0 [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5256] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5259 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] <... prctl resumed>) = 0 [pid 5258] rt_sigprocmask(SIG_SETMASK, [], [pid 5257] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] rt_sigprocmask(SIG_SETMASK, [], [pid 5259] setpgid(0, 0 [pid 5258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5257] <... futex resumed>) = 0 [pid 5260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5257] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5259] <... setpgid resumed>) = 0 [pid 5258] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5260] <... bpf resumed>) = 3 [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5260] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5257] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5257] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... futex resumed>) = 1 [pid 5258] <... bpf resumed>) = 3 [pid 5260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5259] <... openat resumed>) = 3 [pid 5258] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] write(3, "1000", 4 [pid 5258] <... futex resumed>) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5259] <... write resumed>) = 4 [pid 5258] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... bpf resumed>) = 4 [pid 5259] close(3 [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5256] <... futex resumed>) = 0 [pid 5260] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... close resumed>) = 0 [pid 5258] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5256] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... futex resumed>) = 1 [pid 5259] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5260] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] <... futex resumed>) = 0 [pid 5258] <... bpf resumed>) = 4 [pid 5257] <... futex resumed>) = 0 [pid 5260] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5259] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5257] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5260] <... bpf resumed>) = 5 [pid 5259] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5258] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] +++ exited with 0 +++ [pid 5250] +++ exited with 0 +++ [pid 5259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5258] <... futex resumed>) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5260] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5260] <... futex resumed>) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5260] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] exit_group(0 [pid 5256] <... futex resumed>) = 0 [pid 5260] <... futex resumed>) = ? [pid 5259] <... mmap resumed>) = 0x7f7b61773000 [pid 5258] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5257] <... exit_group resumed>) = ? [pid 5256] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5260] +++ exited with 0 +++ [pid 5259] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5259] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5261 attached [pid 5259] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5261] set_robust_list(0x55558a0856a0, 24 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5261 [pid 5261] <... set_robust_list resumed>) = 0 [pid 5259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5262 attached [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5262] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5261] setpgid(0, 0 [pid 5262] set_robust_list(0x7f7b617939a0, 24 [pid 5261] <... setpgid resumed>) = 0 [pid 5259] <... clone3 resumed> => {parent_tid=[5262]}, 88) = 5262 [pid 5258] <... bpf resumed>) = 5 [pid 5252] +++ exited with 0 +++ [pid 5262] <... set_robust_list resumed>) = 0 [pid 5259] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5262] rt_sigprocmask(SIG_SETMASK, [], [pid 5259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5259] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... futex resumed>) = 0 [pid 5258] <... futex resumed>) = 1 [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] <... openat resumed>) = 3 [pid 5259] <... futex resumed>) = 0 [pid 5261] write(3, "1000", 4) = 4 [pid 5256] exit_group(0 [pid 5261] close(3 [pid 5259] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5262] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5261] <... close resumed>) = 0 [pid 5256] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5261] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] +++ exited with 0 +++ [pid 5261] <... futex resumed>) = 0 [pid 5261] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 ./strace-static-x86_64: Process 5263 attached [pid 5262] <... bpf resumed>) = 3 [pid 5257] +++ exited with 0 +++ [pid 5256] +++ exited with 0 +++ [pid 5263] set_robust_list(0x55558a0856a0, 24 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5262] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5263] <... set_robust_list resumed>) = 0 [pid 5262] <... futex resumed>) = 1 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5262] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5259] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5261] <... mmap resumed>) = 0x7f7b61773000 [pid 5263] <... prctl resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5263 [pid 5263] setpgid(0, 0) = 0 [pid 5262] <... bpf resumed>) = 4 [pid 5261] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5264 attached [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5262] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... mprotect resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5264 [pid 5264] set_robust_list(0x55558a0856a0, 24 [pid 5263] <... openat resumed>) = 3 [pid 5262] <... futex resumed>) = 1 [pid 5261] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5259] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5265 attached [pid 5264] <... set_robust_list resumed>) = 0 [pid 5263] write(3, "1000", 4 [pid 5262] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5259] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] set_robust_list(0x55558a0856a0, 24 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5263] <... write resumed>) = 4 [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5259] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5265 ./strace-static-x86_64: Process 5266 attached [pid 5265] <... set_robust_list resumed>) = 0 [pid 5264] <... prctl resumed>) = 0 [pid 5263] close(3 [pid 5262] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5259] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5266] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5264] setpgid(0, 0 [pid 5263] <... close resumed>) = 0 [pid 5261] <... clone3 resumed> => {parent_tid=[5266]}, 88) = 5266 [pid 5266] <... rseq resumed>) = 0 [pid 5265] <... prctl resumed>) = 0 [pid 5264] <... setpgid resumed>) = 0 [pid 5263] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] rt_sigprocmask(SIG_SETMASK, [], [pid 5266] set_robust_list(0x7f7b617939a0, 24 [pid 5265] setpgid(0, 0 [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5263] <... futex resumed>) = 0 [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5266] <... set_robust_list resumed>) = 0 [pid 5265] <... setpgid resumed>) = 0 [pid 5263] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5266] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5263] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5261] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] <... openat resumed>) = 3 [pid 5261] <... futex resumed>) = 0 [pid 5266] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5265] <... openat resumed>) = 3 [pid 5264] write(3, "1000", 4 [pid 5263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5261] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... bpf resumed>) = 3 [pid 5265] write(3, "1000", 4 [pid 5264] <... write resumed>) = 4 [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5266] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... write resumed>) = 4 [pid 5264] close(3 [pid 5263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5266] <... futex resumed>) = 1 [pid 5264] <... close resumed>) = 0 [pid 5261] <... futex resumed>) = 0 [pid 5266] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... mmap resumed>) = 0x7f7b61773000 [pid 5261] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] close(3 [pid 5264] <... futex resumed>) = 0 [pid 5263] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5262] <... bpf resumed>) = 5 [pid 5261] <... futex resumed>) = 0 [pid 5266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5265] <... close resumed>) = 0 [pid 5264] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5263] <... mprotect resumed>) = 0 [pid 5265] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... bpf resumed>) = 4 [pid 5265] <... futex resumed>) = 0 [pid 5264] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5259] <... futex resumed>) = 0 [pid 5262] <... futex resumed>) = 1 [pid 5264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5262] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] exit_group(0 [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5262] <... futex resumed>) = ? [pid 5259] <... exit_group resumed>) = ? [pid 5265] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5266] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... mmap resumed>) = 0x7f7b61773000 [pid 5262] +++ exited with 0 +++ [pid 5266] <... futex resumed>) = 1 [pid 5264] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5261] <... futex resumed>) = 0 [pid 5266] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] <... mprotect resumed>) = 0 [pid 5261] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5264] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5261] <... futex resumed>) = 0 [pid 5266] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5261] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5266] <... bpf resumed>) = 5 [pid 5264] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5265] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5267 attached [pid 5266] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5266] <... futex resumed>) = 1 [pid 5261] <... futex resumed>) = 0 [pid 5267] <... rseq resumed>) = 0 [pid 5266] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] <... clone3 resumed> => {parent_tid=[5268]}, 88) = 5268 [pid 5261] exit_group(0 [pid 5267] set_robust_list(0x7f7b617939a0, 24 [pid 5266] <... futex resumed>) = ? [pid 5264] rt_sigprocmask(SIG_SETMASK, [], [pid 5261] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5268 attached [pid 5267] <... set_robust_list resumed>) = 0 [pid 5266] +++ exited with 0 +++ [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5263] <... clone3 resumed> => {parent_tid=[5267]}, 88) = 5267 [pid 5268] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5263] rt_sigprocmask(SIG_SETMASK, [], [pid 5268] <... rseq resumed>) = 0 [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5265] <... mmap resumed>) = 0x7f7b61773000 [pid 5263] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] rt_sigprocmask(SIG_SETMASK, [], [pid 5263] <... futex resumed>) = 0 [pid 5259] +++ exited with 0 +++ [pid 5267] rt_sigprocmask(SIG_SETMASK, [], [pid 5264] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5265] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5264] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5267] <... bpf resumed>) = 3 [pid 5265] <... mprotect resumed>) = 0 [pid 5261] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5267] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5268] <... bpf resumed>) = 3 [pid 5267] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5268] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5263] <... futex resumed>) = 0 [pid 5268] <... futex resumed>) = 1 [pid 5267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5264] <... futex resumed>) = 0 [pid 5263] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5264] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5264] <... futex resumed>) = 0 [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5264] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5270 attached ./strace-static-x86_64: Process 5269 attached [pid 5268] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5267] <... bpf resumed>) = 4 [pid 5270] set_robust_list(0x55558a0856a0, 24 [pid 5269] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5267] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5270 [pid 5270] <... set_robust_list resumed>) = 0 [pid 5269] <... rseq resumed>) = 0 [pid 5267] <... futex resumed>) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5269] set_robust_list(0x7f7b617939a0, 24 [pid 5267] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... prctl resumed>) = 0 [pid 5269] <... set_robust_list resumed>) = 0 [pid 5268] <... bpf resumed>) = 4 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5263] <... futex resumed>) = 0 [pid 5270] setpgid(0, 0 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], [pid 5267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5263] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5271 attached [pid 5270] <... setpgid resumed>) = 0 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... clone3 resumed> => {parent_tid=[5269]}, 88) = 5269 [pid 5271] set_robust_list(0x55558a0856a0, 24 [pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5269] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5271] <... set_robust_list resumed>) = 0 [pid 5268] <... futex resumed>) = 1 [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5264] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5271 [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5270] <... openat resumed>) = 3 [pid 5268] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... prctl resumed>) = 0 [pid 5265] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 [pid 5270] write(3, "1000", 4 [pid 5269] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = 1 [pid 5264] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5271] setpgid(0, 0 [pid 5270] <... write resumed>) = 4 [pid 5269] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5271] <... setpgid resumed>) = 0 [pid 5265] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] close(3 [pid 5269] <... bpf resumed>) = 3 [pid 5270] <... close resumed>) = 0 [pid 5269] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5270] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5270] <... futex resumed>) = 0 [pid 5269] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5269] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5265] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5271] <... openat resumed>) = 3 [pid 5270] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5271] write(3, "1000", 4 [pid 5270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5271] <... write resumed>) = 4 [pid 5270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] <... bpf resumed>) = 4 [pid 5271] close(3 [pid 5270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5271] <... close resumed>) = 0 [pid 5271] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... mmap resumed>) = 0x7f7b61773000 [pid 5269] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = 0 [pid 5270] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5269] <... futex resumed>) = 1 [pid 5268] <... bpf resumed>) = 5 [pid 5267] <... bpf resumed>) = 5 [pid 5265] <... futex resumed>) = 0 [pid 5271] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5270] <... mprotect resumed>) = 0 [pid 5269] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5267] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 0 [pid 5271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5269] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5268] <... futex resumed>) = 1 [pid 5267] <... futex resumed>) = 1 [pid 5265] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5264] <... futex resumed>) = 0 [pid 5263] exit_group(0 [pid 5271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5269] <... bpf resumed>) = 5 [pid 5268] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] exit_group(0 [pid 5263] <... exit_group resumed>) = ? [pid 5271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5269] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = ? [pid 5267] +++ exited with 0 +++ [pid 5264] <... exit_group resumed>) = ? [pid 5269] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5269] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] exit_group(0./strace-static-x86_64: Process 5272 attached [pid 5271] <... mmap resumed>) = 0x7f7b61773000 [pid 5269] <... futex resumed>) = ? [pid 5265] <... exit_group resumed>) = ? [pid 5263] +++ exited with 0 +++ [pid 5272] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5271] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5270] <... clone3 resumed> => {parent_tid=[5272]}, 88) = 5272 [pid 5271] <... mprotect resumed>) = 0 [pid 5270] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5272] <... rseq resumed>) = 0 [pid 5271] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5271] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5270] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5270] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5273 attached [pid 5272] set_robust_list(0x7f7b617939a0, 24 [pid 5270] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5273] <... rseq resumed>) = 0 [pid 5272] rt_sigprocmask(SIG_SETMASK, [], [pid 5273] set_robust_list(0x7f7b617939a0, 24 [pid 5272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] <... set_robust_list resumed>) = 0 [pid 5272] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5271] <... clone3 resumed> => {parent_tid=[5273]}, 88) = 5273 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5273] rt_sigprocmask(SIG_SETMASK, [], [pid 5271] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5274 attached [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] <... bpf resumed>) = 3 [pid 5269] +++ exited with 0 +++ [pid 5268] +++ exited with 0 +++ [pid 5265] +++ exited with 0 +++ [pid 5264] +++ exited with 0 +++ [pid 5274] set_robust_list(0x55558a0856a0, 24 [pid 5273] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5274 [pid 5274] <... set_robust_list resumed>) = 0 [pid 5272] <... futex resumed>) = 1 [pid 5271] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... futex resumed>) = 0 [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5273] <... futex resumed>) = 0 [pid 5272] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5271] <... futex resumed>) = 1 [pid 5270] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5273] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5271] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5274] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5275 attached [pid 5274] setpgid(0, 0 [pid 5273] <... bpf resumed>) = 3 [pid 5272] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5275] set_robust_list(0x55558a0856a0, 24 [pid 5274] <... setpgid resumed>) = 0 [pid 5273] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... bpf resumed>) = 4 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5275 [pid 5273] <... futex resumed>) = 1 [pid 5271] <... futex resumed>) = 0 [pid 5273] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] <... set_robust_list resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5271] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5273] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5271] <... futex resumed>) = 0 [pid 5273] <... bpf resumed>) = 4 [pid 5271] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... prctl resumed>) = 0 [pid 5272] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5272] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5270] <... futex resumed>) = 0 [pid 5274] <... openat resumed>) = 3 [pid 5275] setpgid(0, 0 [pid 5270] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5276 attached [pid 5275] <... setpgid resumed>) = 0 [pid 5274] write(3, "1000", 4 [pid 5273] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 0 [pid 5270] <... futex resumed>) = 1 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5273] <... futex resumed>) = 1 [pid 5272] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5274] <... write resumed>) = 4 [pid 5271] <... futex resumed>) = 0 [pid 5270] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5276] set_robust_list(0x55558a0856a0, 24 [pid 5273] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] <... bpf resumed>) = 5 [pid 5271] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... set_robust_list resumed>) = 0 [pid 5275] <... openat resumed>) = 3 [pid 5274] close(3 [pid 5273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5271] <... futex resumed>) = 0 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5275] write(3, "1000", 4 [pid 5274] <... close resumed>) = 0 [pid 5273] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5272] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5276 [pid 5276] <... prctl resumed>) = 0 [pid 5275] <... write resumed>) = 4 [pid 5274] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... bpf resumed>) = 5 [pid 5272] <... futex resumed>) = 1 [pid 5270] <... futex resumed>) = 0 [pid 5276] setpgid(0, 0 [pid 5275] close(3 [pid 5274] <... futex resumed>) = 0 [pid 5275] <... close resumed>) = 0 [pid 5274] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5273] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5270] exit_group(0 [pid 5276] <... setpgid resumed>) = 0 [pid 5275] <... futex resumed>) = 0 [pid 5274] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5273] <... futex resumed>) = 1 [pid 5272] <... futex resumed>) = ? [pid 5271] <... futex resumed>) = 0 [pid 5270] <... exit_group resumed>) = ? [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5273] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] +++ exited with 0 +++ [pid 5271] exit_group(0 [pid 5276] <... openat resumed>) = 3 [pid 5275] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] <... futex resumed>) = ? [pid 5271] <... exit_group resumed>) = ? [pid 5276] write(3, "1000", 4 [pid 5275] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5273] +++ exited with 0 +++ [pid 5276] <... write resumed>) = 4 [pid 5275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] <... mmap resumed>) = 0x7f7b61773000 [pid 5276] close(3 [pid 5275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5274] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5276] <... close resumed>) = 0 [pid 5275] <... mmap resumed>) = 0x7f7b61773000 [pid 5274] <... mprotect resumed>) = 0 [pid 5275] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5274] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5276] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5276] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5275] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5276] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5277 attached [pid 5276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5278 attached [pid 5277] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] <... clone3 resumed> => {parent_tid=[5277]}, 88) = 5277 [pid 5277] <... rseq resumed>) = 0 [pid 5276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5274] rt_sigprocmask(SIG_SETMASK, [], [pid 5277] set_robust_list(0x7f7b617939a0, 24 [pid 5276] <... mmap resumed>) = 0x7f7b61773000 [pid 5277] <... set_robust_list resumed>) = 0 [pid 5276] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5270] +++ exited with 0 +++ [pid 5277] rt_sigprocmask(SIG_SETMASK, [], [pid 5276] <... mprotect resumed>) = 0 [pid 5274] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5271] +++ exited with 0 +++ [pid 5278] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5275] <... clone3 resumed> => {parent_tid=[5278]}, 88) = 5278 [pid 5274] <... futex resumed>) = 0 [pid 5278] <... rseq resumed>) = 0 [pid 5277] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5276] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5275] rt_sigprocmask(SIG_SETMASK, [], [pid 5274] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5270, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5278] set_robust_list(0x7f7b617939a0, 24 [pid 5277] <... bpf resumed>) = 3 [pid 5276] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5278] <... set_robust_list resumed>) = 0 [pid 5275] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5275] <... futex resumed>) = 0 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5275] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5278] <... bpf resumed>) = 3 [pid 5277] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5073] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5279 attached ./strace-static-x86_64: Process 5280 attached [pid 5278] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5280 [pid 5279] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5280] set_robust_list(0x55558a0856a0, 24 [pid 5279] <... rseq resumed>) = 0 [pid 5278] <... futex resumed>) = 1 [pid 5277] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] <... clone3 resumed> => {parent_tid=[5279]}, 88) = 5279 [pid 5275] <... futex resumed>) = 0 [pid 5274] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5279] set_robust_list(0x7f7b617939a0, 24 [pid 5278] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5276] rt_sigprocmask(SIG_SETMASK, [], [pid 5275] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5279] <... set_robust_list resumed>) = 0 [pid 5278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5275] <... futex resumed>) = 0 [pid 5274] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5280] <... prctl resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5277] <... bpf resumed>) = 4 [pid 5275] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] setpgid(0, 0 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... setpgid resumed>) = 0 [pid 5279] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5278] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5281 attached [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5278] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = 0 [pid 5281] set_robust_list(0x55558a0856a0, 24 [pid 5279] <... bpf resumed>) = 3 [pid 5278] <... futex resumed>) = 1 [pid 5277] <... futex resumed>) = 1 [pid 5276] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5281 [pid 5281] <... set_robust_list resumed>) = 0 [pid 5278] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5280] <... openat resumed>) = 3 [pid 5279] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5275] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5281] <... prctl resumed>) = 0 [pid 5280] write(3, "1000", 4 [pid 5279] <... futex resumed>) = 1 [pid 5278] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5277] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5276] <... futex resumed>) = 0 [pid 5275] <... futex resumed>) = 0 [pid 5274] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5281] setpgid(0, 0 [pid 5280] <... write resumed>) = 4 [pid 5279] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5281] <... setpgid resumed>) = 0 [pid 5280] close(3 [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5280] <... close resumed>) = 0 [pid 5278] <... bpf resumed>) = 5 [pid 5277] <... bpf resumed>) = 5 [pid 5276] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = 1 [pid 5281] <... openat resumed>) = 3 [pid 5280] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5279] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5278] <... futex resumed>) = 1 [pid 5277] <... futex resumed>) = 1 [pid 5276] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 0 [pid 5281] write(3, "1000", 4 [pid 5280] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5278] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] exit_group(0 [pid 5281] <... write resumed>) = 4 [pid 5280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5279] <... bpf resumed>) = 4 [pid 5278] <... futex resumed>) = ? [pid 5275] <... exit_group resumed>) = ? [pid 5274] exit_group(0 [pid 5281] close(3 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5278] +++ exited with 0 +++ [pid 5277] <... futex resumed>) = ? [pid 5274] <... exit_group resumed>) = ? [pid 5281] <... close resumed>) = 0 [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5277] +++ exited with 0 +++ [pid 5281] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... mmap resumed>) = 0x7f7b61773000 [pid 5279] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 0 [pid 5280] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5279] <... futex resumed>) = 1 [pid 5276] <... futex resumed>) = 0 [pid 5281] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5276] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... mprotect resumed>) = 0 [pid 5279] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5276] <... futex resumed>) = 0 [pid 5281] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5276] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5281] <... mmap resumed>) = 0x7f7b61773000 ./strace-static-x86_64: Process 5282 attached [pid 5281] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5280] <... clone3 resumed> => {parent_tid=[5282]}, 88) = 5282 [pid 5282] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5281] <... mprotect resumed>) = 0 [pid 5280] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5280] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5280] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... rseq resumed>) = 0 [pid 5281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5282] set_robust_list(0x7f7b617939a0, 24 [pid 5281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5282] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5283 attached [pid 5282] rt_sigprocmask(SIG_SETMASK, [], [pid 5275] +++ exited with 0 +++ [pid 5283] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] <... clone3 resumed> => {parent_tid=[5283]}, 88) = 5283 [pid 5283] <... rseq resumed>) = 0 [pid 5282] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] +++ exited with 0 +++ [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5282] <... bpf resumed>) = 3 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5283] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5282] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5284 attached [pid 5283] <... bpf resumed>) = 3 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] <... futex resumed>) = 0 [pid 5283] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5280] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] set_robust_list(0x55558a0856a0, 24 [pid 5283] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5284 [pid 5284] <... set_robust_list resumed>) = 0 [pid 5283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5282] <... bpf resumed>) = 4 [pid 5281] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5282] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 0 [pid 5281] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... futex resumed>) = 1 [pid 5282] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5285 attached [pid 5284] <... prctl resumed>) = 0 [pid 5283] <... bpf resumed>) = 4 [pid 5280] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5285 [pid 5284] setpgid(0, 0 [pid 5283] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... setpgid resumed>) = 0 [pid 5285] set_robust_list(0x55558a0856a0, 24 [pid 5283] <... futex resumed>) = 1 [pid 5280] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5281] <... futex resumed>) = 0 [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5283] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5285] <... set_robust_list resumed>) = 0 [pid 5284] <... openat resumed>) = 3 [pid 5283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5282] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5281] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] write(3, "1000", 4 [pid 5283] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5281] <... futex resumed>) = 0 [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5284] <... write resumed>) = 4 [pid 5281] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5285] <... prctl resumed>) = 0 [pid 5284] close(3 [pid 5285] setpgid(0, 0 [pid 5284] <... close resumed>) = 0 [pid 5284] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... setpgid resumed>) = 0 [pid 5284] <... futex resumed>) = 0 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5284] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5283] <... bpf resumed>) = 5 [pid 5282] <... bpf resumed>) = 5 [pid 5279] <... bpf resumed>) = 5 [pid 5285] <... openat resumed>) = 3 [pid 5284] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5283] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] write(3, "1000", 4 [pid 5284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5283] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5279] <... futex resumed>) = 1 [pid 5276] <... futex resumed>) = 0 [pid 5285] <... write resumed>) = 4 [pid 5284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5283] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] exit_group(0 [pid 5280] exit_group(0 [pid 5279] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] exit_group(0 [pid 5285] close(3 [pid 5284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5283] <... futex resumed>) = ? [pid 5282] <... futex resumed>) = ? [pid 5281] <... exit_group resumed>) = ? [pid 5280] <... exit_group resumed>) = ? [pid 5279] <... futex resumed>) = ? [pid 5276] <... exit_group resumed>) = ? [pid 5285] <... close resumed>) = 0 [pid 5284] <... mmap resumed>) = 0x7f7b61773000 [pid 5283] +++ exited with 0 +++ [pid 5282] +++ exited with 0 +++ [pid 5281] +++ exited with 0 +++ [pid 5285] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5284] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5280] +++ exited with 0 +++ [pid 5279] +++ exited with 0 +++ [pid 5276] +++ exited with 0 +++ [pid 5285] <... mmap resumed>) = 0x7f7b61773000 [pid 5284] <... mprotect resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5285] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5284] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5285] <... mprotect resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5285] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5284] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5076] <... restart_syscall resumed>) = 0 [pid 5285] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5286 attached [pid 5285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5286] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5286] <... rseq resumed>) = 0 [pid 5286] set_robust_list(0x7f7b617939a0, 24./strace-static-x86_64: Process 5288 attached ) = 0 [pid 5284] <... clone3 resumed> => {parent_tid=[5286]}, 88) = 5286 ./strace-static-x86_64: Process 5289 attached ./strace-static-x86_64: Process 5287 attached [pid 5288] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5286] rt_sigprocmask(SIG_SETMASK, [], [pid 5285] <... clone3 resumed> => {parent_tid=[5288]}, 88) = 5288 [pid 5284] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] set_robust_list(0x55558a0856a0, 24 [pid 5284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5286] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... rseq resumed>) = 0 [pid 5284] <... futex resumed>) = 0 [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5289 [pid 5289] set_robust_list(0x55558a0856a0, 24 [pid 5288] set_robust_list(0x7f7b617939a0, 24 [pid 5285] rt_sigprocmask(SIG_SETMASK, [], [pid 5284] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5289] <... set_robust_list resumed>) = 0 [pid 5288] <... set_robust_list resumed>) = 0 [pid 5287] <... prctl resumed>) = 0 [pid 5286] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5287 ./strace-static-x86_64: Process 5290 attached [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5288] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] setpgid(0, 0 [pid 5286] <... bpf resumed>) = 3 [pid 5285] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] set_robust_list(0x55558a0856a0, 24 [pid 5289] <... prctl resumed>) = 0 [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... setpgid resumed>) = 0 [pid 5286] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 0 [pid 5290] <... set_robust_list resumed>) = 0 [pid 5289] setpgid(0, 0 [pid 5288] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5286] <... futex resumed>) = 1 [pid 5285] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5290 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5289] <... setpgid resumed>) = 0 [pid 5288] <... bpf resumed>) = 3 [pid 5284] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... prctl resumed>) = 0 [pid 5288] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] setpgid(0, 0 [pid 5288] <... futex resumed>) = 1 [pid 5287] <... openat resumed>) = 3 [pid 5286] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5285] <... futex resumed>) = 0 [pid 5284] <... futex resumed>) = 0 [pid 5290] <... setpgid resumed>) = 0 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5288] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... futex resumed>) = 0 [pid 5290] <... openat resumed>) = 3 [pid 5288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5285] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] write(3, "1000", 4 [pid 5289] <... openat resumed>) = 3 [pid 5287] write(3, "1000", 4 [pid 5286] <... bpf resumed>) = 4 [pid 5290] <... write resumed>) = 4 [pid 5289] write(3, "1000", 4 [pid 5287] <... write resumed>) = 4 [pid 5290] close(3 [pid 5288] <... bpf resumed>) = 4 [pid 5290] <... close resumed>) = 0 [pid 5290] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... write resumed>) = 4 [pid 5288] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] close(3 [pid 5290] <... futex resumed>) = 0 [pid 5289] close(3 [pid 5288] <... futex resumed>) = 1 [pid 5287] <... close resumed>) = 0 [pid 5286] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 0 [pid 5290] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5289] <... close resumed>) = 0 [pid 5288] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5287] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5289] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... bpf resumed>) = 5 [pid 5287] <... futex resumed>) = 0 [pid 5286] <... futex resumed>) = 1 [pid 5285] <... futex resumed>) = 0 [pid 5284] <... futex resumed>) = 0 [pid 5290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5289] <... futex resumed>) = 0 [pid 5288] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5286] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5285] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5284] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5288] <... futex resumed>) = 0 [pid 5287] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... futex resumed>) = 0 [pid 5290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5289] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5288] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5286] <... bpf resumed>) = 5 [pid 5285] exit_group(0 [pid 5284] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5290] <... mmap resumed>) = 0x7f7b61773000 [pid 5289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5288] <... futex resumed>) = ? [pid 5287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] <... exit_group resumed>) = ? [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5286] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5288] +++ exited with 0 +++ [pid 5287] <... mmap resumed>) = 0x7f7b61773000 [pid 5289] <... mmap resumed>) = 0x7f7b61773000 [pid 5287] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5289] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5287] <... mprotect resumed>) = 0 [pid 5289] <... mprotect resumed>) = 0 [pid 5287] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5286] <... futex resumed>) = 1 [pid 5290] <... mprotect resumed>) = 0 [pid 5289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5287] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5284] <... futex resumed>) = 0 [pid 5286] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5284] exit_group(0./strace-static-x86_64: Process 5291 attached [pid 5290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5286] <... futex resumed>) = ? [pid 5284] <... exit_group resumed>) = ? [pid 5291] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5287] <... clone3 resumed> => {parent_tid=[5291]}, 88) = 5291 [pid 5286] +++ exited with 0 +++ [pid 5289] <... clone3 resumed> => {parent_tid=[5292]}, 88) = 5292 [pid 5287] rt_sigprocmask(SIG_SETMASK, [], [pid 5289] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5293 attached ./strace-static-x86_64: Process 5292 attached [pid 5291] <... rseq resumed>) = 0 [pid 5289] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5293] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5292] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5291] set_robust_list(0x7f7b617939a0, 24 [pid 5290] <... clone3 resumed> => {parent_tid=[5293]}, 88) = 5293 [pid 5289] <... futex resumed>) = 0 [pid 5287] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... rseq resumed>) = 0 [pid 5292] <... rseq resumed>) = 0 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5289] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] set_robust_list(0x7f7b617939a0, 24 [pid 5293] set_robust_list(0x7f7b617939a0, 24 [pid 5291] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] <... set_robust_list resumed>) = 0 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], [pid 5293] <... set_robust_list resumed>) = 0 [pid 5292] rt_sigprocmask(SIG_SETMASK, [], [pid 5291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5290] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] +++ exited with 0 +++ [pid 5291] <... bpf resumed>) = 3 [pid 5284] +++ exited with 0 +++ [pid 5290] <... futex resumed>) = 0 [pid 5292] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5290] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5293] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5291] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5292] <... bpf resumed>) = 3 [pid 5293] <... bpf resumed>) = 3 [pid 5291] <... futex resumed>) = 1 [pid 5287] <... futex resumed>) = 0 [pid 5293] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... futex resumed>) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5292] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] <... futex resumed>) = 0 [pid 5292] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5293] <... futex resumed>) = 1 [pid 5291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5287] <... futex resumed>) = 0 [pid 5293] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5287] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] <... bpf resumed>) = 4 [pid 5291] <... bpf resumed>) = 4 [pid 5289] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5295 attached ./strace-static-x86_64: Process 5294 attached [pid 5292] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] set_robust_list(0x55558a0856a0, 24 [pid 5290] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5294 [pid 5295] <... set_robust_list resumed>) = 0 [pid 5293] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 1 [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5294] set_robust_list(0x55558a0856a0, 24 [pid 5293] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5292] <... futex resumed>) = 0 [pid 5291] <... futex resumed>) = 1 [pid 5290] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5295 [pid 5295] <... prctl resumed>) = 0 [pid 5294] <... set_robust_list resumed>) = 0 [pid 5292] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5291] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] <... futex resumed>) = 0 [pid 5287] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] setpgid(0, 0 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5293] <... bpf resumed>) = 4 [pid 5292] <... bpf resumed>) = 5 [pid 5291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5287] <... futex resumed>) = 0 [pid 5287] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5295] <... setpgid resumed>) = 0 [pid 5291] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5294] <... prctl resumed>) = 0 [pid 5292] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... bpf resumed>) = 5 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5294] setpgid(0, 0 [pid 5292] <... futex resumed>) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5294] <... setpgid resumed>) = 0 [pid 5292] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] exit_group(0 [pid 5295] <... openat resumed>) = 3 [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5293] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... futex resumed>) = ? [pid 5291] <... futex resumed>) = 1 [pid 5289] <... exit_group resumed>) = ? [pid 5287] <... futex resumed>) = 0 [pid 5295] write(3, "1000", 4 [pid 5294] <... openat resumed>) = 3 [pid 5293] <... futex resumed>) = 1 [pid 5292] +++ exited with 0 +++ [pid 5291] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] <... futex resumed>) = 0 [pid 5287] exit_group(0 [pid 5295] <... write resumed>) = 4 [pid 5294] write(3, "1000", 4 [pid 5293] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] <... futex resumed>) = ? [pid 5290] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... exit_group resumed>) = ? [pid 5295] close(3 [pid 5294] <... write resumed>) = 4 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5291] +++ exited with 0 +++ [pid 5290] <... futex resumed>) = 0 [pid 5295] <... close resumed>) = 0 [pid 5294] close(3 [pid 5293] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5290] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5295] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... close resumed>) = 0 [pid 5295] <... futex resumed>) = 0 [pid 5294] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5294] <... futex resumed>) = 0 [pid 5295] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5294] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5295] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5295] <... mmap resumed>) = 0x7f7b61773000 [pid 5294] <... mmap resumed>) = 0x7f7b61773000 [pid 5295] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5294] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5295] <... mprotect resumed>) = 0 [pid 5294] <... mprotect resumed>) = 0 [pid 5294] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5295] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5294] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5295] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5289] +++ exited with 0 +++ [pid 5287] +++ exited with 0 +++ [pid 5295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5296 attached [pid 5296] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5296] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5296] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5297 attached [pid 5295] <... clone3 resumed> => {parent_tid=[5296]}, 88) = 5296 [pid 5297] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5295] rt_sigprocmask(SIG_SETMASK, [], [pid 5294] <... clone3 resumed> => {parent_tid=[5297]}, 88) = 5297 [pid 5297] <... rseq resumed>) = 0 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5294] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] set_robust_list(0x7f7b617939a0, 24 [pid 5295] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5297] <... set_robust_list resumed>) = 0 [pid 5294] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] <... futex resumed>) = 1 [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5296] <... futex resumed>) = 0 [pid 5295] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5297] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5296] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5299 attached ./strace-static-x86_64: Process 5298 attached [pid 5297] <... bpf resumed>) = 3 [pid 5296] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = 0 [pid 5293] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5298 [pid 5297] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5294] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] <... futex resumed>) = 0 [pid 5296] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] <... futex resumed>) = 0 [pid 5296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5295] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] set_robust_list(0x55558a0856a0, 24 [pid 5298] set_robust_list(0x55558a0856a0, 24 [pid 5294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5299 [pid 5299] <... set_robust_list resumed>) = 0 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5296] <... bpf resumed>) = 4 [pid 5294] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 0 [pid 5296] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = 1 [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5297] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5296] <... futex resumed>) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5290] exit_group(0 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5298] <... prctl resumed>) = 0 [pid 5297] <... bpf resumed>) = 4 [pid 5296] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... exit_group resumed>) = ? [pid 5299] <... prctl resumed>) = 0 [pid 5298] setpgid(0, 0 [pid 5297] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] <... futex resumed>) = 0 [pid 5294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5297] <... futex resumed>) = 0 [pid 5296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5295] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5297] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] <... bpf resumed>) = 5 [pid 5296] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] setpgid(0, 0 [pid 5298] <... setpgid resumed>) = 0 [pid 5294] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... setpgid resumed>) = 0 [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5296] <... futex resumed>) = 1 [pid 5294] <... futex resumed>) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5297] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5296] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] exit_group(0 [pid 5294] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5298] <... openat resumed>) = 3 [pid 5296] <... futex resumed>) = ? [pid 5295] <... exit_group resumed>) = ? [pid 5299] <... openat resumed>) = 3 [pid 5298] write(3, "1000", 4 [pid 5296] +++ exited with 0 +++ [pid 5299] write(3, "1000", 4 [pid 5298] <... write resumed>) = 4 [pid 5299] <... write resumed>) = 4 [pid 5298] close(3 [pid 5299] close(3 [pid 5298] <... close resumed>) = 0 [pid 5299] <... close resumed>) = 0 [pid 5298] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5298] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5299] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... bpf resumed>) = 5 [pid 5293] +++ exited with 0 +++ [pid 5290] +++ exited with 0 +++ [pid 5299] <... futex resumed>) = 0 [pid 5298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5297] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5299] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] <... futex resumed>) = 1 [pid 5294] <... futex resumed>) = 0 [pid 5299] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5294] exit_group(0 [pid 5297] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] <... mmap resumed>) = 0x7f7b61773000 [pid 5299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5298] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] <... futex resumed>) = ? [pid 5294] <... exit_group resumed>) = ? [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5298] <... mprotect resumed>) = 0 [pid 5297] +++ exited with 0 +++ [pid 5299] <... mmap resumed>) = 0x7f7b61773000 [pid 5298] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5300 attached [pid 5299] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5298] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5300] set_robust_list(0x55558a0856a0, 24 [pid 5298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5299] <... mprotect resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5300 [pid 5300] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5301 attached [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5298] <... clone3 resumed> => {parent_tid=[5301]}, 88) = 5301 [pid 5301] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5301] set_robust_list(0x7f7b617939a0, 24 [pid 5300] <... prctl resumed>) = 0 [pid 5299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5298] rt_sigprocmask(SIG_SETMASK, [], [pid 5301] <... set_robust_list resumed>) = 0 [pid 5300] setpgid(0, 0 [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5302 attached [pid 5301] rt_sigprocmask(SIG_SETMASK, [], [pid 5300] <... setpgid resumed>) = 0 [pid 5298] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5299] <... clone3 resumed> => {parent_tid=[5302]}, 88) = 5302 [pid 5298] <... futex resumed>) = 0 [pid 5302] <... rseq resumed>) = 0 [pid 5301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5302] set_robust_list(0x7f7b617939a0, 24 [pid 5300] <... openat resumed>) = 3 [pid 5299] rt_sigprocmask(SIG_SETMASK, [], [pid 5301] <... bpf resumed>) = 3 [pid 5298] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... set_robust_list resumed>) = 0 [pid 5300] write(3, "1000", 4 [pid 5299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5301] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] rt_sigprocmask(SIG_SETMASK, [], [pid 5300] <... write resumed>) = 4 [pid 5299] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... futex resumed>) = 1 [pid 5298] <... futex resumed>) = 0 [pid 5302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5300] close(3 [pid 5299] <... futex resumed>) = 0 [pid 5298] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5300] <... close resumed>) = 0 [pid 5299] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... bpf resumed>) = 3 [pid 5301] <... bpf resumed>) = 4 [pid 5300] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = 0 [pid 5302] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... futex resumed>) = 0 [pid 5302] <... futex resumed>) = 1 [pid 5300] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5299] <... futex resumed>) = 0 [pid 5302] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5299] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5299] <... futex resumed>) = 0 [pid 5302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5299] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... bpf resumed>) = 4 [pid 5301] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5295] +++ exited with 0 +++ [pid 5294] +++ exited with 0 +++ [pid 5301] <... futex resumed>) = 0 [pid 5298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] <... futex resumed>) = 0 [pid 5301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5298] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5302] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5302] <... futex resumed>) = 1 [pid 5300] <... mmap resumed>) = 0x7f7b61773000 [pid 5299] <... futex resumed>) = 0 [pid 5302] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5299] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5300] <... mprotect resumed>) = 0 [pid 5299] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5299] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5304 attached ./strace-static-x86_64: Process 5303 attached ./strace-static-x86_64: Process 5305 attached [pid 5304] set_robust_list(0x55558a0856a0, 24 [pid 5303] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5300] <... clone3 resumed> => {parent_tid=[5303]}, 88) = 5303 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5305 [pid 5305] set_robust_list(0x55558a0856a0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5304 [pid 5304] <... set_robust_list resumed>) = 0 [pid 5303] <... rseq resumed>) = 0 [pid 5300] rt_sigprocmask(SIG_SETMASK, [], [pid 5305] <... set_robust_list resumed>) = 0 [pid 5303] set_robust_list(0x7f7b617939a0, 24 [pid 5300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5303] <... set_robust_list resumed>) = 0 [pid 5300] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... prctl resumed>) = 0 [pid 5303] rt_sigprocmask(SIG_SETMASK, [], [pid 5305] setpgid(0, 0 [pid 5303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5300] <... futex resumed>) = 0 [pid 5305] <... setpgid resumed>) = 0 [pid 5303] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5300] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5303] <... bpf resumed>) = 3 [pid 5305] <... openat resumed>) = 3 [pid 5304] setpgid(0, 0 [pid 5303] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] write(3, "1000", 4 [pid 5303] <... futex resumed>) = 1 [pid 5300] <... futex resumed>) = 0 [pid 5305] <... write resumed>) = 4 [pid 5304] <... setpgid resumed>) = 0 [pid 5303] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] close(3 [pid 5303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5300] <... futex resumed>) = 0 [pid 5305] <... close resumed>) = 0 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5300] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] <... openat resumed>) = 3 [pid 5303] <... bpf resumed>) = 4 [pid 5305] <... futex resumed>) = 0 [pid 5304] write(3, "1000", 4 [pid 5305] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5304] <... write resumed>) = 4 [pid 5303] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5304] close(3 [pid 5303] <... futex resumed>) = 1 [pid 5300] <... futex resumed>) = 0 [pid 5305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5300] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5300] <... futex resumed>) = 0 [pid 5305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5300] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5305] <... mmap resumed>) = 0x7f7b61773000 [pid 5304] <... close resumed>) = 0 [pid 5305] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5304] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5304] <... futex resumed>) = 0 [pid 5302] <... bpf resumed>) = 5 [pid 5301] <... bpf resumed>) = 5 [pid 5305] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5303] <... bpf resumed>) = 5 [pid 5302] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5304] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5303] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = 1 [pid 5301] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5302] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] <... futex resumed>) = 0 [pid 5299] exit_group(0./strace-static-x86_64: Process 5306 attached [pid 5305] <... clone3 resumed> => {parent_tid=[5306]}, 88) = 5306 [pid 5304] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5303] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... futex resumed>) = ? [pid 5301] <... futex resumed>) = 1 [pid 5299] <... exit_group resumed>) = ? [pid 5298] <... futex resumed>) = 0 [pid 5300] exit_group(0 [pid 5306] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5302] +++ exited with 0 +++ [pid 5301] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] exit_group(0 [pid 5306] <... rseq resumed>) = 0 [pid 5304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5301] <... futex resumed>) = ? [pid 5298] <... exit_group resumed>) = ? [pid 5306] set_robust_list(0x7f7b617939a0, 24 [pid 5305] rt_sigprocmask(SIG_SETMASK, [], [pid 5304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5303] <... futex resumed>) = ? [pid 5301] +++ exited with 0 +++ [pid 5300] <... exit_group resumed>) = ? [pid 5299] +++ exited with 0 +++ [pid 5306] <... set_robust_list resumed>) = 0 [pid 5305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5304] <... mmap resumed>) = 0x7f7b61773000 [pid 5306] rt_sigprocmask(SIG_SETMASK, [], [pid 5304] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5305] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] <... mprotect resumed>) = 0 [pid 5306] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5305] <... futex resumed>) = 0 [pid 5304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5305] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5306] <... bpf resumed>) = 3 [pid 5304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5306] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5307 attached [pid 5306] <... futex resumed>) = 1 [pid 5305] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5308 attached [pid 5307] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5306] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] <... clone3 resumed> => {parent_tid=[5307]}, 88) = 5307 [pid 5308] set_robust_list(0x55558a0856a0, 24 [pid 5307] <... rseq resumed>) = 0 [pid 5306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] <... futex resumed>) = 0 [pid 5304] rt_sigprocmask(SIG_SETMASK, [], [pid 5306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] <... set_robust_list resumed>) = 0 [pid 5307] set_robust_list(0x7f7b617939a0, 24 [pid 5305] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5308 [pid 5304] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5307] <... set_robust_list resumed>) = 0 [pid 5307] rt_sigprocmask(SIG_SETMASK, [], [pid 5306] <... bpf resumed>) = 4 [pid 5304] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] <... prctl resumed>) = 0 [pid 5307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5306] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] setpgid(0, 0 [pid 5307] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5306] <... futex resumed>) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5308] <... setpgid resumed>) = 0 [pid 5306] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5307] <... bpf resumed>) = 3 [pid 5305] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... futex resumed>) = 0 [pid 5305] <... futex resumed>) = 1 [pid 5308] <... openat resumed>) = 3 [pid 5307] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5306] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5308] write(3, "1000", 4 [pid 5307] <... futex resumed>) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5308] <... write resumed>) = 4 [pid 5307] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] close(3 [pid 5307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] <... close resumed>) = 0 [pid 5298] +++ exited with 0 +++ [pid 5307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5303] +++ exited with 0 +++ [pid 5300] +++ exited with 0 +++ [pid 5308] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5308] <... futex resumed>) = 0 [pid 5308] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5307] <... bpf resumed>) = 4 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5307] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5304] <... futex resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5308] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5308] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5304] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5309 attached [pid 5308] <... mprotect resumed>) = 0 [pid 5309] set_robust_list(0x55558a0856a0, 24 [pid 5308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5309] <... set_robust_list resumed>) = 0 [pid 5307] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5304] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5310 attached [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5304] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5309 [pid 5310] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5309] <... prctl resumed>) = 0 [pid 5308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5310 ./strace-static-x86_64: Process 5311 attached [pid 5310] <... prctl resumed>) = 0 [pid 5309] setpgid(0, 0 [pid 5311] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5310] setpgid(0, 0 [pid 5309] <... setpgid resumed>) = 0 [pid 5308] <... clone3 resumed> => {parent_tid=[5311]}, 88) = 5311 [pid 5311] <... rseq resumed>) = 0 [pid 5310] <... setpgid resumed>) = 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5308] rt_sigprocmask(SIG_SETMASK, [], [pid 5311] set_robust_list(0x7f7b617939a0, 24 [pid 5309] <... openat resumed>) = 3 [pid 5308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5311] <... set_robust_list resumed>) = 0 [pid 5311] rt_sigprocmask(SIG_SETMASK, [], [pid 5309] write(3, "1000", 4 [pid 5308] <... futex resumed>) = 0 [pid 5309] <... write resumed>) = 4 [pid 5308] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] close(3) = 0 [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5309] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5310] <... openat resumed>) = 3 [pid 5309] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5311] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5310] write(3, "1000", 4 [pid 5307] <... bpf resumed>) = 5 [pid 5306] <... bpf resumed>) = 5 [pid 5309] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5306] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5311] <... bpf resumed>) = 3 [pid 5310] <... write resumed>) = 4 [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5307] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] exit_group(0 [pid 5311] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] close(3 [pid 5307] <... futex resumed>) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5311] <... futex resumed>) = 1 [pid 5309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5308] <... futex resumed>) = 0 [pid 5306] <... futex resumed>) = ? [pid 5305] <... exit_group resumed>) = ? [pid 5311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5310] <... close resumed>) = 0 [pid 5309] <... mmap resumed>) = 0x7f7b61773000 [pid 5308] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5306] +++ exited with 0 +++ [pid 5304] exit_group(0 [pid 5310] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5308] <... futex resumed>) = 0 [pid 5307] <... futex resumed>) = ? [pid 5304] <... exit_group resumed>) = ? [pid 5308] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... mprotect resumed>) = 0 [pid 5310] <... futex resumed>) = 0 [pid 5311] <... bpf resumed>) = 4 [pid 5310] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5311] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5311] <... futex resumed>) = 1 [pid 5310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5308] <... futex resumed>) = 0 [pid 5311] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5309] <... clone3 resumed> => {parent_tid=[5312]}, 88) = 5312 [pid 5308] <... futex resumed>) = 0 [pid 5311] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5310] <... mmap resumed>) = 0x7f7b61773000 [pid 5309] rt_sigprocmask(SIG_SETMASK, [], [pid 5308] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5310] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5312 attached [pid 5310] <... mprotect resumed>) = 0 [pid 5309] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5309] <... futex resumed>) = 0 [pid 5312] <... rseq resumed>) = 0 [pid 5310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5309] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] set_robust_list(0x7f7b617939a0, 24 [pid 5310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5307] +++ exited with 0 +++ [pid 5305] +++ exited with 0 +++ [pid 5304] +++ exited with 0 +++ [pid 5312] <... set_robust_list resumed>) = 0 [pid 5310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5312] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5313 attached NULL, 8) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5313] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5313] <... rseq resumed>) = 0 [pid 5313] set_robust_list(0x7f7b617939a0, 24 [pid 5312] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5313] <... set_robust_list resumed>) = 0 [pid 5310] <... clone3 resumed> => {parent_tid=[5313]}, 88) = 5313 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5310] rt_sigprocmask(SIG_SETMASK, [], [pid 5313] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5312] <... bpf resumed>) = 3 [pid 5310] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5314 attached [pid 5313] <... futex resumed>) = 0 [pid 5312] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... futex resumed>) = 1 [pid 5311] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5315 attached [pid 5314] set_robust_list(0x55558a0856a0, 24 [pid 5313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5312] <... futex resumed>) = 1 [pid 5310] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5314 [pid 5315] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5314] <... set_robust_list resumed>) = 0 [pid 5313] <... bpf resumed>) = 3 [pid 5311] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5315 [pid 5312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5313] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5308] <... futex resumed>) = 0 [pid 5315] <... prctl resumed>) = 0 [pid 5314] <... prctl resumed>) = 0 [pid 5313] <... futex resumed>) = 1 [pid 5311] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] <... futex resumed>) = 0 [pid 5309] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] exit_group(0 [pid 5315] setpgid(0, 0 [pid 5314] setpgid(0, 0 [pid 5313] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] <... futex resumed>) = ? [pid 5310] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... exit_group resumed>) = ? [pid 5315] <... setpgid resumed>) = 0 [pid 5314] <... setpgid resumed>) = 0 [pid 5313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5312] <... bpf resumed>) = 4 [pid 5311] +++ exited with 0 +++ [pid 5310] <... futex resumed>) = 0 [pid 5313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5312] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... openat resumed>) = 3 [pid 5312] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5314] <... openat resumed>) = 3 [pid 5313] <... bpf resumed>) = 4 [pid 5312] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] +++ exited with 0 +++ [pid 5315] write(3, "1000", 4 [pid 5314] write(3, "1000", 4 [pid 5313] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... write resumed>) = 4 [pid 5314] <... write resumed>) = 4 [pid 5313] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5314] close(3 [pid 5313] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] close(3 [pid 5314] <... close resumed>) = 0 [pid 5313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5312] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5310] <... futex resumed>) = 0 [pid 5309] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5315] <... close resumed>) = 0 [pid 5314] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5310] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5309] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5315] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5314] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5315] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5315] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5314] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5314] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5316 attached [pid 5315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5313] <... bpf resumed>) = 5 [pid 5312] <... bpf resumed>) = 5 [pid 5316] set_robust_list(0x55558a0856a0, 24 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... set_robust_list resumed>) = 0 [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5312] <... futex resumed>) = 1 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5316 [pid 5309] <... futex resumed>) = 0 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5313] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] exit_group(0 [pid 5316] <... prctl resumed>) = 0 [pid 5315] <... mmap resumed>) = 0x7f7b61773000 [pid 5314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5313] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5309] <... exit_group resumed>) = ? [pid 5312] +++ exited with 0 +++ [pid 5316] setpgid(0, 0 [pid 5315] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5313] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] exit_group(0 [pid 5316] <... setpgid resumed>) = 0 [pid 5314] <... clone3 resumed> => {parent_tid=[5317]}, 88) = 5317 [pid 5313] <... futex resumed>) = ? [pid 5310] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5317 attached [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5315] <... mprotect resumed>) = 0 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5313] +++ exited with 0 +++ [pid 5310] +++ exited with 0 +++ [pid 5317] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5316] <... openat resumed>) = 3 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5309] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5317] <... rseq resumed>) = 0 [pid 5316] write(3, "1000", 4 [pid 5315] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5314] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5317] set_robust_list(0x7f7b617939a0, 24 [pid 5316] <... write resumed>) = 4 [pid 5315] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5314] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5316] close(3 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5318 attached [pid 5317] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5318] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5315] <... clone3 resumed> => {parent_tid=[5318]}, 88) = 5318 [pid 5318] set_robust_list(0x7f7b617939a0, 24 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5318] <... set_robust_list resumed>) = 0 [pid 5317] <... bpf resumed>) = 3 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5317] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... close resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5318] <... bpf resumed>) = 3 [pid 5317] <... futex resumed>) = 1 [pid 5316] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... futex resumed>) = 0 [pid 5318] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = 0 [pid 5317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5315] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = 0 [pid 5318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5315] <... futex resumed>) = 0 [pid 5314] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5319 attached [pid 5318] <... bpf resumed>) = 4 [pid 5317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5316] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5319 ./strace-static-x86_64: Process 5320 attached [pid 5319] set_robust_list(0x55558a0856a0, 24 [pid 5315] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5318] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5320] set_robust_list(0x55558a0856a0, 24 [pid 5319] <... set_robust_list resumed>) = 0 [pid 5317] <... bpf resumed>) = 4 [pid 5316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5320 [pid 5320] <... set_robust_list resumed>) = 0 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5317] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... mmap resumed>) = 0x7f7b61773000 [pid 5315] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5319] <... prctl resumed>) = 0 [pid 5318] <... futex resumed>) = 0 [pid 5317] <... futex resumed>) = 1 [pid 5316] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5315] <... futex resumed>) = 1 [pid 5314] <... futex resumed>) = 0 [pid 5320] <... prctl resumed>) = 0 [pid 5319] setpgid(0, 0 [pid 5318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5317] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] <... mprotect resumed>) = 0 [pid 5315] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5314] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] setpgid(0, 0 [pid 5319] <... setpgid resumed>) = 0 [pid 5317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5314] <... futex resumed>) = 0 [pid 5316] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5317] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5314] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5321 attached [pid 5321] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5316] <... clone3 resumed> => {parent_tid=[5321]}, 88) = 5321 [pid 5321] <... rseq resumed>) = 0 [pid 5316] rt_sigprocmask(SIG_SETMASK, [], [pid 5321] set_robust_list(0x7f7b617939a0, 24 [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] <... set_robust_list resumed>) = 0 [pid 5316] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] rt_sigprocmask(SIG_SETMASK, [], [pid 5316] <... futex resumed>) = 0 [pid 5321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5316] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5319] <... openat resumed>) = 3 [pid 5321] <... bpf resumed>) = 3 [pid 5321] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... openat resumed>) = 3 [pid 5319] write(3, "1000", 4 [pid 5321] <... futex resumed>) = 1 [pid 5320] write(3, "1000", 4 [pid 5319] <... write resumed>) = 4 [pid 5316] <... futex resumed>) = 0 [pid 5321] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] <... write resumed>) = 4 [pid 5319] close(3 [pid 5316] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5320] close(3 [pid 5319] <... close resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5321] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5316] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... close resumed>) = 0 [pid 5319] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... bpf resumed>) = 5 [pid 5317] <... bpf resumed>) = 5 [pid 5321] <... bpf resumed>) = 4 [pid 5319] <... futex resumed>) = 0 [pid 5318] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = 1 [pid 5317] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = 0 [pid 5321] <... futex resumed>) = 1 [pid 5320] <... futex resumed>) = 0 [pid 5319] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5318] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] <... futex resumed>) = 0 [pid 5317] <... futex resumed>) = 1 [pid 5315] exit_group(0 [pid 5314] <... futex resumed>) = 0 [pid 5321] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5319] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5318] <... futex resumed>) = ? [pid 5317] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... exit_group resumed>) = ? [pid 5314] exit_group(0 [pid 5320] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5319] <... mmap resumed>) = 0x7f7b61773000 [pid 5320] <... mmap resumed>) = 0x7f7b61773000 [pid 5319] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5320] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5319] <... mprotect resumed>) = 0 [pid 5320] <... mprotect resumed>) = 0 [pid 5319] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5314] <... exit_group resumed>) = ? [pid 5316] <... futex resumed>) = 0 [pid 5320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5317] <... futex resumed>) = ? [pid 5316] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5319] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5323 attached ./strace-static-x86_64: Process 5322 attached [pid 5323] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5322] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5320] <... clone3 resumed> => {parent_tid=[5323]}, 88) = 5323 [pid 5323] <... rseq resumed>) = 0 [pid 5322] <... rseq resumed>) = 0 [pid 5321] <... bpf resumed>) = 5 [pid 5319] <... clone3 resumed> => {parent_tid=[5322]}, 88) = 5322 [pid 5318] +++ exited with 0 +++ [pid 5320] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] +++ exited with 0 +++ [pid 5323] set_robust_list(0x7f7b617939a0, 24 [pid 5322] set_robust_list(0x7f7b617939a0, 24 [pid 5321] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5321] <... futex resumed>) = 1 [pid 5320] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5322] <... set_robust_list resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5323] <... set_robust_list resumed>) = 0 [pid 5323] rt_sigprocmask(SIG_SETMASK, [], [pid 5322] rt_sigprocmask(SIG_SETMASK, [], [pid 5321] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] <... futex resumed>) = 0 [pid 5319] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] exit_group(0 [pid 5323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] <... futex resumed>) = ? [pid 5319] <... futex resumed>) = 0 [pid 5316] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5323] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5322] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5321] +++ exited with 0 +++ [pid 5320] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] <... bpf resumed>) = 3 [pid 5322] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5324 attached [pid 5323] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = 1 [pid 5322] <... futex resumed>) = 1 [pid 5320] <... futex resumed>) = 0 [pid 5324] set_robust_list(0x55558a0856a0, 24 [pid 5323] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5324 [pid 5324] <... set_robust_list resumed>) = 0 [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5320] <... futex resumed>) = 0 [pid 5319] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5322] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5320] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] <... futex resumed>) = 0 [pid 5323] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5324] <... prctl resumed>) = 0 [pid 5319] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] setpgid(0, 0) = 0 [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5324] write(3, "1000", 4 [pid 5323] <... bpf resumed>) = 4 [pid 5322] <... bpf resumed>) = 4 [pid 5317] +++ exited with 0 +++ [pid 5316] +++ exited with 0 +++ [pid 5314] +++ exited with 0 +++ [pid 5324] <... write resumed>) = 4 [pid 5322] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5324] close(3 [pid 5322] <... futex resumed>) = 1 [pid 5319] <... futex resumed>) = 0 [pid 5324] <... close resumed>) = 0 [pid 5322] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] <... futex resumed>) = 0 [pid 5324] <... futex resumed>) = 0 [pid 5323] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5319] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5324] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5323] <... futex resumed>) = 1 [pid 5320] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5325 attached [pid 5324] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5323] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] set_robust_list(0x55558a0856a0, 24 [pid 5324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5320] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5325] <... set_robust_list resumed>) = 0 [pid 5324] <... mmap resumed>) = 0x7f7b61773000 [pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5324] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5320] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5323] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5325] <... prctl resumed>) = 0 [pid 5324] <... mprotect resumed>) = 0 [pid 5325] setpgid(0, 0 [pid 5324] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5325 [pid 5325] <... setpgid resumed>) = 0 [pid 5324] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5325] <... openat resumed>) = 3 [pid 5324] <... clone3 resumed> => {parent_tid=[5326]}, 88) = 5326 [pid 5324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5324] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5325] write(3, "1000", 4 [pid 5324] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5325] <... write resumed>) = 4 [pid 5325] close(3) = 0 [pid 5325] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5326 attached ./strace-static-x86_64: Process 5327 attached [pid 5326] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5327 [pid 5327] set_robust_list(0x55558a0856a0, 24 [pid 5326] <... rseq resumed>) = 0 [pid 5327] <... set_robust_list resumed>) = 0 [pid 5326] set_robust_list(0x7f7b617939a0, 24 [pid 5325] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5326] <... set_robust_list resumed>) = 0 [pid 5325] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5326] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5325] <... mmap resumed>) = 0x7f7b61773000 [pid 5327] <... prctl resumed>) = 0 [pid 5325] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5326] <... bpf resumed>) = 3 [pid 5327] setpgid(0, 0 [pid 5326] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5327] <... setpgid resumed>) = 0 [pid 5326] <... futex resumed>) = 1 [pid 5324] <... futex resumed>) = 0 [pid 5326] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5324] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5324] <... futex resumed>) = 0 [pid 5327] <... openat resumed>) = 3 [pid 5326] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5324] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5328 attached [pid 5325] <... clone3 resumed> => {parent_tid=[5328]}, 88) = 5328 [pid 5325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5325] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5327] write(3, "1000", 4 [pid 5326] <... bpf resumed>) = 4 [pid 5325] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5328] <... rseq resumed>) = 0 [pid 5327] <... write resumed>) = 4 [pid 5322] <... bpf resumed>) = 5 [pid 5327] close(3 [pid 5328] set_robust_list(0x7f7b617939a0, 24 [pid 5327] <... close resumed>) = 0 [pid 5326] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... bpf resumed>) = 5 [pid 5322] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... set_robust_list resumed>) = 0 [pid 5327] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 1 [pid 5324] <... futex resumed>) = 0 [pid 5323] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... futex resumed>) = 1 [pid 5319] <... futex resumed>) = 0 [pid 5328] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] <... futex resumed>) = 0 [pid 5326] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5324] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = 1 [pid 5322] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] <... futex resumed>) = 0 [pid 5319] exit_group(0 [pid 5328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5324] <... futex resumed>) = 0 [pid 5323] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] <... futex resumed>) = ? [pid 5320] exit_group(0 [pid 5319] <... exit_group resumed>) = ? [pid 5328] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5327] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5326] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5324] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5323] <... futex resumed>) = ? [pid 5322] +++ exited with 0 +++ [pid 5320] <... exit_group resumed>) = ? [pid 5328] <... bpf resumed>) = 3 [pid 5327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5326] <... bpf resumed>) = 5 [pid 5323] +++ exited with 0 +++ [pid 5319] +++ exited with 0 +++ [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5328] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 1 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5327] <... mmap resumed>) = 0x7f7b61773000 [pid 5326] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] <... futex resumed>) = 1 [pid 5327] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5328] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5327] <... mprotect resumed>) = 0 [pid 5325] <... futex resumed>) = 0 [pid 5324] <... futex resumed>) = 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5325] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = 0 [pid 5325] <... futex resumed>) = 1 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5324] exit_group(0 [pid 5327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5328] <... bpf resumed>) = 4 [pid 5326] <... futex resumed>) = ? [pid 5325] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5329 attached [pid 5329] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5327] <... clone3 resumed> => {parent_tid=[5329]}, 88) = 5329 ./strace-static-x86_64: Process 5330 attached [pid 5329] <... rseq resumed>) = 0 [pid 5327] rt_sigprocmask(SIG_SETMASK, [], [pid 5326] +++ exited with 0 +++ [pid 5330] set_robust_list(0x55558a0856a0, 24 [pid 5329] set_robust_list(0x7f7b617939a0, 24 [pid 5330] <... set_robust_list resumed>) = 0 [pid 5329] <... set_robust_list resumed>) = 0 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... prctl resumed>) = 0 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] <... futex resumed>) = 0 [pid 5330] setpgid(0, 0 [pid 5329] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5328] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5330 [pid 5325] <... futex resumed>) = 0 [pid 5330] <... setpgid resumed>) = 0 [pid 5329] <... bpf resumed>) = 3 [pid 5328] <... futex resumed>) = 1 [pid 5327] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5325] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5329] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5325] <... futex resumed>) = 0 [pid 5330] <... openat resumed>) = 3 [pid 5329] <... futex resumed>) = 0 [pid 5328] <... bpf resumed>) = 5 [pid 5325] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5320] +++ exited with 0 +++ [pid 5330] write(3, "1000", 4 [pid 5329] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5328] <... futex resumed>) = 1 [pid 5327] <... futex resumed>) = 0 [pid 5325] <... futex resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5330] <... write resumed>) = 4 [pid 5329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5328] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5327] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5325] exit_group(0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5330] close(3 [pid 5328] <... futex resumed>) = ? [pid 5325] <... exit_group resumed>) = ? [pid 5330] <... close resumed>) = 0 [pid 5330] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5330] <... futex resumed>) = 0 [pid 5330] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 ./strace-static-x86_64: Process 5331 attached [pid 5329] <... bpf resumed>) = 4 [pid 5328] +++ exited with 0 +++ [pid 5325] +++ exited with 0 +++ [pid 5324] +++ exited with 0 +++ [pid 5331] set_robust_list(0x55558a0856a0, 24 [pid 5329] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5331] <... set_robust_list resumed>) = 0 [pid 5329] <... futex resumed>) = 1 [pid 5327] <... futex resumed>) = 0 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5327] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5331 [pid 5331] <... prctl resumed>) = 0 [pid 5330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5327] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5331] setpgid(0, 0 [pid 5330] <... mmap resumed>) = 0x7f7b61773000 [pid 5329] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5327] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5331] <... setpgid resumed>) = 0 [pid 5330] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5333 attached ./strace-static-x86_64: Process 5332 attached ) = 3 [pid 5330] <... mprotect resumed>) = 0 [pid 5333] set_robust_list(0x55558a0856a0, 24 [pid 5330] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5333 [pid 5333] <... set_robust_list resumed>) = 0 [pid 5332] set_robust_list(0x55558a0856a0, 24 [pid 5330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5332 [pid 5332] <... set_robust_list resumed>) = 0 [pid 5331] write(3, "1000", 4 [pid 5330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5331] <... write resumed>) = 4 [pid 5331] close(3./strace-static-x86_64: Process 5334 attached [pid 5333] <... prctl resumed>) = 0 [pid 5331] <... close resumed>) = 0 [pid 5334] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5331] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... rseq resumed>) = 0 [pid 5331] <... futex resumed>) = 0 [pid 5334] set_robust_list(0x7f7b617939a0, 24 [pid 5333] setpgid(0, 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5331] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5330] <... clone3 resumed> => {parent_tid=[5334]}, 88) = 5334 [pid 5334] <... set_robust_list resumed>) = 0 [pid 5333] <... setpgid resumed>) = 0 [pid 5332] <... prctl resumed>) = 0 [pid 5331] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5330] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] setpgid(0, 0 [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] <... setpgid resumed>) = 0 [pid 5330] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5333] <... openat resumed>) = 3 [pid 5331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5330] <... futex resumed>) = 0 [pid 5334] <... bpf resumed>) = 3 [pid 5333] write(3, "1000", 4 [pid 5332] <... openat resumed>) = 3 [pid 5331] <... mmap resumed>) = 0x7f7b61773000 [pid 5330] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... write resumed>) = 4 [pid 5332] write(3, "1000", 4 [pid 5333] close(3 [pid 5332] <... write resumed>) = 4 [pid 5332] close(3 [pid 5334] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5334] <... futex resumed>) = 1 [pid 5331] <... mprotect resumed>) = 0 [pid 5329] <... bpf resumed>) = 5 [pid 5334] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] <... close resumed>) = 0 [pid 5332] <... close resumed>) = 0 [pid 5331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5330] <... futex resumed>) = 0 [pid 5329] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5330] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = 1 [pid 5327] <... futex resumed>) = 0 [pid 5334] <... futex resumed>) = 0 [pid 5333] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = 0 [pid 5331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5330] <... futex resumed>) = 1 [pid 5329] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5333] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5332] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5330] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] exit_group(0./strace-static-x86_64: Process 5335 attached [pid 5333] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5332] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5335] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5335] <... rseq resumed>) = 0 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5331] <... clone3 resumed> => {parent_tid=[5335]}, 88) = 5335 [pid 5327] <... exit_group resumed>) = ? [pid 5335] set_robust_list(0x7f7b617939a0, 24 [pid 5333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5335] <... set_robust_list resumed>) = 0 [pid 5333] <... mmap resumed>) = 0x7f7b61773000 [pid 5332] <... mmap resumed>) = 0x7f7b61773000 [pid 5335] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5332] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] <... bpf resumed>) = 4 [pid 5333] <... mprotect resumed>) = 0 [pid 5332] <... mprotect resumed>) = 0 [pid 5331] rt_sigprocmask(SIG_SETMASK, [], [pid 5329] <... futex resumed>) = ? [pid 5335] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5332] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5331] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5335] <... futex resumed>) = 0 [pid 5333] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5332] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5331] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5335] <... bpf resumed>) = 3 [pid 5335] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5337 attached ) = 0 [pid 5333] <... clone3 resumed> => {parent_tid=[5336]}, 88) = 5336 ./strace-static-x86_64: Process 5336 attached [pid 5337] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5335] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5332] <... clone3 resumed> => {parent_tid=[5337]}, 88) = 5337 [pid 5331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5337] <... rseq resumed>) = 0 [pid 5336] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5334] <... futex resumed>) = 1 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] rt_sigprocmask(SIG_SETMASK, [], [pid 5331] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... futex resumed>) = 0 [pid 5337] set_robust_list(0x7f7b617939a0, 24 [pid 5336] <... rseq resumed>) = 0 [pid 5335] <... futex resumed>) = 0 [pid 5334] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5333] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5331] <... futex resumed>) = 1 [pid 5330] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... set_robust_list resumed>) = 0 [pid 5336] set_robust_list(0x7f7b617939a0, 24 [pid 5335] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5333] <... futex resumed>) = 0 [pid 5332] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... futex resumed>) = 0 [pid 5337] rt_sigprocmask(SIG_SETMASK, [], [pid 5336] <... set_robust_list resumed>) = 0 [pid 5335] <... bpf resumed>) = 4 [pid 5333] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... futex resumed>) = 0 [pid 5330] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5329] +++ exited with 0 +++ [pid 5327] +++ exited with 0 +++ [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5336] rt_sigprocmask(SIG_SETMASK, [], [pid 5335] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5327, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5337] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5335] <... futex resumed>) = 1 [pid 5331] <... futex resumed>) = 0 [pid 5337] <... bpf resumed>) = 3 [pid 5336] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5335] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... bpf resumed>) = 3 [pid 5335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 1 [pid 5332] <... futex resumed>) = 0 [pid 5331] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5336] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5337] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] <... futex resumed>) = 1 [pid 5335] <... bpf resumed>) = 5 [pid 5334] <... bpf resumed>) = 5 [pid 5333] <... futex resumed>) = 0 [pid 5332] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5335] <... futex resumed>) = 1 [pid 5333] <... futex resumed>) = 0 [pid 5337] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5336] <... bpf resumed>) = 4 [pid 5335] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... futex resumed>) = 0 [pid 5331] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5338 attached [pid 5334] <... futex resumed>) = 1 [pid 5332] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5331] exit_group(0 [pid 5338] set_robust_list(0x55558a0856a0, 24 [pid 5337] <... bpf resumed>) = 4 [pid 5336] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] <... futex resumed>) = ? [pid 5330] <... futex resumed>) = 0 [pid 5331] <... exit_group resumed>) = ? [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5338 [pid 5338] <... set_robust_list resumed>) = 0 [pid 5337] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = 1 [pid 5335] +++ exited with 0 +++ [pid 5333] <... futex resumed>) = 0 [pid 5330] exit_group(0 [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5337] <... futex resumed>) = 1 [pid 5336] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = 0 [pid 5330] <... exit_group resumed>) = ? [pid 5338] <... prctl resumed>) = 0 [pid 5337] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] <... futex resumed>) = ? [pid 5333] <... futex resumed>) = 0 [pid 5332] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] setpgid(0, 0 [pid 5337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5333] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5332] <... futex resumed>) = 0 [pid 5338] <... setpgid resumed>) = 0 [pid 5337] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5336] <... bpf resumed>) = 5 [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5337] <... bpf resumed>) = 5 [pid 5332] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5338] <... openat resumed>) = 3 [pid 5337] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 1 [pid 5333] <... futex resumed>) = 0 [pid 5338] write(3, "1000", 4 [pid 5337] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] exit_group(0 [pid 5338] <... write resumed>) = 4 [pid 5336] <... futex resumed>) = ? [pid 5333] <... exit_group resumed>) = ? [pid 5338] close(3 [pid 5336] +++ exited with 0 +++ [pid 5333] +++ exited with 0 +++ [pid 5332] <... futex resumed>) = 0 [pid 5331] +++ exited with 0 +++ [pid 5338] <... close resumed>) = 0 [pid 5332] exit_group(0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5338] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = ? [pid 5332] <... exit_group resumed>) = ? [pid 5338] <... futex resumed>) = 0 [pid 5337] +++ exited with 0 +++ [pid 5338] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5339 attached ) = 0x7f7b61773000 [pid 5339] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5338] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5338] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5339] <... prctl resumed>) = 0 [pid 5339] setpgid(0, 0 [pid 5338] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5339] <... setpgid resumed>) = 0 [pid 5338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5339 ./strace-static-x86_64: Process 5340 attached [pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5341 attached [pid 5338] <... clone3 resumed> => {parent_tid=[5340]}, 88) = 5340 [pid 5339] <... openat resumed>) = 3 [pid 5341] set_robust_list(0x55558a0856a0, 24 [pid 5340] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5339] write(3, "1000", 4 [pid 5338] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5341 [pid 5341] <... set_robust_list resumed>) = 0 [pid 5340] <... rseq resumed>) = 0 [pid 5339] <... write resumed>) = 4 [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5340] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5340] rt_sigprocmask(SIG_SETMASK, [], [pid 5341] <... prctl resumed>) = 0 [pid 5339] close(3 [pid 5338] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] setpgid(0, 0 [pid 5339] <... close resumed>) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5341] <... setpgid resumed>) = 0 [pid 5339] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5341] <... openat resumed>) = 3 [pid 5340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5339] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5341] write(3, "1000", 4 [pid 5340] <... bpf resumed>) = 3 [pid 5339] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5340] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5341] <... write resumed>) = 4 [pid 5340] <... futex resumed>) = 1 [pid 5339] <... mmap resumed>) = 0x7f7b61773000 [pid 5338] <... futex resumed>) = 0 [pid 5341] close(3 [pid 5340] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... close resumed>) = 0 [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5339] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5338] <... futex resumed>) = 0 [pid 5341] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5339] <... mprotect resumed>) = 0 [pid 5338] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] <... futex resumed>) = 0 [pid 5339] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5341] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5339] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5341] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5340] <... bpf resumed>) = 4 [pid 5334] +++ exited with 0 +++ [pid 5332] +++ exited with 0 +++ [pid 5330] +++ exited with 0 +++ [pid 5341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5340] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5342 attached [pid 5341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5340] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] <... clone3 resumed> => {parent_tid=[5342]}, 88) = 5342 [pid 5338] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5341] <... mmap resumed>) = 0x7f7b61773000 [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5339] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5342] <... rseq resumed>) = 0 [pid 5342] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5341] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5342] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... mprotect resumed>) = 0 [pid 5339] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5343 attached [pid 5342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5339] <... futex resumed>) = 0 [pid 5343] set_robust_list(0x55558a0856a0, 24 [pid 5342] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5339] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5344 attached [pid 5342] <... bpf resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5343 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5344 [pid 5343] <... set_robust_list resumed>) = 0 [pid 5341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5345 attached [pid 5344] set_robust_list(0x55558a0856a0, 24 [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5342] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... prctl resumed>) = 0 [pid 5341] <... clone3 resumed> => {parent_tid=[5345]}, 88) = 5345 [pid 5345] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5344] <... set_robust_list resumed>) = 0 [pid 5343] setpgid(0, 0 [pid 5342] <... futex resumed>) = 1 [pid 5341] rt_sigprocmask(SIG_SETMASK, [], [pid 5339] <... futex resumed>) = 0 [pid 5345] <... rseq resumed>) = 0 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5343] <... setpgid resumed>) = 0 [pid 5342] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5339] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] set_robust_list(0x7f7b617939a0, 24 [pid 5344] <... prctl resumed>) = 0 [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5341] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = 0 [pid 5345] <... set_robust_list resumed>) = 0 [pid 5344] setpgid(0, 0 [pid 5343] <... openat resumed>) = 3 [pid 5342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] <... futex resumed>) = 0 [pid 5340] <... bpf resumed>) = 5 [pid 5345] rt_sigprocmask(SIG_SETMASK, [], [pid 5344] <... setpgid resumed>) = 0 [pid 5343] write(3, "1000", 4 [pid 5342] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5341] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5343] <... write resumed>) = 4 [pid 5340] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5345] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5344] <... openat resumed>) = 3 [pid 5343] close(3 [pid 5340] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] exit_group(0 [pid 5345] <... bpf resumed>) = 3 [pid 5345] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... close resumed>) = 0 [pid 5340] <... futex resumed>) = ? [pid 5338] <... exit_group resumed>) = ? [pid 5345] <... futex resumed>) = 1 [pid 5344] write(3, "1000", 4 [pid 5343] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... bpf resumed>) = 4 [pid 5341] <... futex resumed>) = 0 [pid 5340] +++ exited with 0 +++ [pid 5345] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5342] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5339] <... futex resumed>) = 0 [pid 5342] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... futex resumed>) = 0 [pid 5344] <... write resumed>) = 4 [pid 5342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5344] close(3 [pid 5343] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5342] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5341] <... futex resumed>) = 1 [pid 5339] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5345] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5344] <... close resumed>) = 0 [pid 5343] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5342] <... bpf resumed>) = 5 [pid 5341] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5344] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5344] <... futex resumed>) = 0 [pid 5343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] <... bpf resumed>) = 4 [pid 5344] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5342] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5343] <... mmap resumed>) = 0x7f7b61773000 [pid 5344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5343] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5342] <... futex resumed>) = 1 [pid 5339] <... futex resumed>) = 0 [pid 5345] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5342] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] exit_group(0 [pid 5341] <... futex resumed>) = 0 [pid 5345] <... futex resumed>) = 1 [pid 5344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5342] <... futex resumed>) = ? [pid 5339] <... exit_group resumed>) = ? [pid 5345] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5344] <... mmap resumed>) = 0x7f7b61773000 [pid 5343] <... mprotect resumed>) = 0 [pid 5342] +++ exited with 0 +++ [pid 5341] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5341] <... futex resumed>) = 0 [pid 5343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5344] <... mprotect resumed>) = 0 [pid 5343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5341] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5344] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5346 attached [pid 5344] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5346] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5343] <... clone3 resumed> => {parent_tid=[5346]}, 88) = 5346 ./strace-static-x86_64: Process 5347 attached [pid 5346] <... rseq resumed>) = 0 [pid 5343] rt_sigprocmask(SIG_SETMASK, [], [pid 5347] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5346] set_robust_list(0x7f7b617939a0, 24 [pid 5343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5347] <... rseq resumed>) = 0 [pid 5346] <... set_robust_list resumed>) = 0 [pid 5344] <... clone3 resumed> => {parent_tid=[5347]}, 88) = 5347 [pid 5347] set_robust_list(0x7f7b617939a0, 24 [pid 5346] rt_sigprocmask(SIG_SETMASK, [], [pid 5343] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] rt_sigprocmask(SIG_SETMASK, [], [pid 5343] <... futex resumed>) = 0 [pid 5347] <... set_robust_list resumed>) = 0 [pid 5346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5343] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5347] rt_sigprocmask(SIG_SETMASK, [], [pid 5344] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5346] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5344] <... futex resumed>) = 0 [pid 5347] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5346] <... bpf resumed>) = 3 [pid 5344] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... bpf resumed>) = 3 [pid 5346] <... futex resumed>) = 1 [pid 5343] <... futex resumed>) = 0 [pid 5347] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5347] <... futex resumed>) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5343] <... futex resumed>) = 0 [pid 5344] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5344] <... futex resumed>) = 0 [pid 5346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5344] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5347] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5338] +++ exited with 0 +++ [pid 5347] <... bpf resumed>) = 4 [pid 5346] <... bpf resumed>) = 4 [pid 5345] <... bpf resumed>) = 5 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5347] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... futex resumed>) = 1 [pid 5346] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5347] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5346] <... futex resumed>) = 1 [pid 5345] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... futex resumed>) = 0 [pid 5341] exit_group(0 [pid 5346] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] <... futex resumed>) = ? [pid 5344] <... futex resumed>) = 0 [pid 5341] <... exit_group resumed>) = ? [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5345] +++ exited with 0 +++ [pid 5344] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5343] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5346] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5343] <... futex resumed>) = 0 [pid 5343] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5348 attached [pid 5348] set_robust_list(0x55558a0856a0, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5348 [pid 5348] <... set_robust_list resumed>) = 0 [pid 5347] <... bpf resumed>) = 5 [pid 5339] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5347] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5347] <... futex resumed>) = 1 [pid 5348] <... prctl resumed>) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5344] exit_group(0 [pid 5347] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] setpgid(0, 0 [pid 5347] <... futex resumed>) = ? [pid 5344] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5349 attached [pid 5348] <... setpgid resumed>) = 0 [pid 5347] +++ exited with 0 +++ [pid 5349] set_robust_list(0x55558a0856a0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5349 [pid 5349] <... set_robust_list resumed>) = 0 [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5349] setpgid(0, 0) = 0 [pid 5348] <... openat resumed>) = 3 [pid 5346] <... bpf resumed>) = 5 [pid 5341] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5348] write(3, "1000", 4 [pid 5346] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] <... openat resumed>) = 3 [pid 5348] <... write resumed>) = 4 [pid 5346] <... futex resumed>) = 1 [pid 5343] <... futex resumed>) = 0 [pid 5343] exit_group(0) = ? [pid 5349] write(3, "1000", 4 [pid 5348] close(3 [pid 5349] <... write resumed>) = 4 [pid 5349] close(3) = 0 [pid 5349] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5349] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5348] <... close resumed>) = 0 [pid 5346] +++ exited with 0 +++ [pid 5344] +++ exited with 0 +++ [pid 5343] +++ exited with 0 +++ [pid 5349] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5348] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5348] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5348] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5348] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5349] <... mmap resumed>) = 0x7f7b61773000 [pid 5348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5349] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5350 [pid 5349] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5350 attached ./strace-static-x86_64: Process 5351 attached [pid 5350] set_robust_list(0x55558a0856a0, 24 [pid 5349] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5348] <... mmap resumed>) = 0x7f7b61773000 [pid 5351] set_robust_list(0x55558a0856a0, 24 [pid 5350] <... set_robust_list resumed>) = 0 [pid 5349] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5348] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5351 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5351] <... set_robust_list resumed>) = 0 [pid 5350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5348] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5353 attached ./strace-static-x86_64: Process 5352 attached [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5350] <... prctl resumed>) = 0 [pid 5348] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5353] set_robust_list(0x55558a0856a0, 24 [pid 5352] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5351] <... prctl resumed>) = 0 [pid 5350] setpgid(0, 0 [pid 5349] <... clone3 resumed> => {parent_tid=[5352]}, 88) = 5352 [pid 5348] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5353] <... set_robust_list resumed>) = 0 [pid 5352] <... rseq resumed>) = 0 [pid 5351] setpgid(0, 0 [pid 5350] <... setpgid resumed>) = 0 [pid 5349] rt_sigprocmask(SIG_SETMASK, [], [pid 5348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5353 ./strace-static-x86_64: Process 5354 attached [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5352] set_robust_list(0x7f7b617939a0, 24 [pid 5351] <... setpgid resumed>) = 0 [pid 5350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5354] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5352] <... set_robust_list resumed>) = 0 [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5349] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... rseq resumed>) = 0 [pid 5353] <... prctl resumed>) = 0 [pid 5352] rt_sigprocmask(SIG_SETMASK, [], [pid 5350] <... openat resumed>) = 3 [pid 5349] <... futex resumed>) = 0 [pid 5348] <... clone3 resumed> => {parent_tid=[5354]}, 88) = 5354 [pid 5354] set_robust_list(0x7f7b617939a0, 24 [pid 5353] setpgid(0, 0 [pid 5352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5351] <... openat resumed>) = 3 [pid 5348] rt_sigprocmask(SIG_SETMASK, [], [pid 5354] <... set_robust_list resumed>) = 0 [pid 5348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5354] rt_sigprocmask(SIG_SETMASK, [], [pid 5348] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5353] <... setpgid resumed>) = 0 [pid 5349] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... futex resumed>) = 0 [pid 5354] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5352] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5351] write(3, "1000", 4 [pid 5350] write(3, "1000", 4 [pid 5354] <... bpf resumed>) = 3 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5351] <... write resumed>) = 4 [pid 5350] <... write resumed>) = 4 [pid 5348] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] <... bpf resumed>) = 3 [pid 5354] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] close(3 [pid 5350] close(3 [pid 5348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5354] <... futex resumed>) = 0 [pid 5353] <... openat resumed>) = 3 [pid 5352] <... futex resumed>) = 1 [pid 5351] <... close resumed>) = 0 [pid 5350] <... close resumed>) = 0 [pid 5349] <... futex resumed>) = 0 [pid 5348] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5352] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5351] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... futex resumed>) = 0 [pid 5353] write(3, "1000", 4 [pid 5352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] <... futex resumed>) = 0 [pid 5350] <... futex resumed>) = 0 [pid 5349] <... futex resumed>) = 0 [pid 5353] <... write resumed>) = 4 [pid 5349] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5350] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5353] close(3 [pid 5351] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5353] <... close resumed>) = 0 [pid 5351] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5348] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] <... bpf resumed>) = 4 [pid 5353] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... bpf resumed>) = 4 [pid 5351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5350] <... mmap resumed>) = 0x7f7b61773000 [pid 5353] <... futex resumed>) = 0 [pid 5354] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5354] <... futex resumed>) = 1 [pid 5353] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5352] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5350] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5348] <... futex resumed>) = 0 [pid 5354] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5352] <... futex resumed>) = 1 [pid 5351] <... mmap resumed>) = 0x7f7b61773000 [pid 5350] <... mprotect resumed>) = 0 [pid 5349] <... futex resumed>) = 0 [pid 5348] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5352] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5349] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... futex resumed>) = 0 [pid 5354] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5350] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5349] <... futex resumed>) = 0 [pid 5348] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5353] <... mmap resumed>) = 0x7f7b61773000 [pid 5352] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5351] <... mprotect resumed>) = 0 [pid 5349] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5353] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5350] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5352] <... bpf resumed>) = 5 [pid 5354] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5356 attached [pid 5353] <... mprotect resumed>) = 0 [pid 5356] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5356] <... rseq resumed>) = 0 [pid 5353] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5350] <... clone3 resumed> => {parent_tid=[5356]}, 88) = 5356 [pid 5351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5354] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] set_robust_list(0x7f7b617939a0, 24 [pid 5354] <... futex resumed>) = 1 [pid 5353] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5352] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5350] rt_sigprocmask(SIG_SETMASK, [], [pid 5348] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5357 attached [pid 5356] <... set_robust_list resumed>) = 0 [pid 5354] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5352] <... futex resumed>) = 1 [pid 5350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] <... futex resumed>) = 0 [pid 5348] exit_group(0./strace-static-x86_64: Process 5358 attached [pid 5357] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5356] rt_sigprocmask(SIG_SETMASK, [], [pid 5354] <... futex resumed>) = ? [pid 5352] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5351] <... clone3 resumed> => {parent_tid=[5357]}, 88) = 5357 [pid 5350] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] exit_group(0 [pid 5348] <... exit_group resumed>) = ? [pid 5358] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5357] <... rseq resumed>) = 0 [pid 5356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5354] +++ exited with 0 +++ [pid 5353] <... clone3 resumed> => {parent_tid=[5358]}, 88) = 5358 [pid 5352] <... futex resumed>) = ? [pid 5351] rt_sigprocmask(SIG_SETMASK, [], [pid 5350] <... futex resumed>) = 0 [pid 5349] <... exit_group resumed>) = ? [pid 5358] <... rseq resumed>) = 0 [pid 5357] set_robust_list(0x7f7b617939a0, 24 [pid 5356] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5353] rt_sigprocmask(SIG_SETMASK, [], [pid 5352] +++ exited with 0 +++ [pid 5351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5350] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5349] +++ exited with 0 +++ [pid 5348] +++ exited with 0 +++ [pid 5358] set_robust_list(0x7f7b617939a0, 24 [pid 5357] <... set_robust_list resumed>) = 0 [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5351] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5356] <... bpf resumed>) = 3 [pid 5358] <... set_robust_list resumed>) = 0 [pid 5357] rt_sigprocmask(SIG_SETMASK, [], [pid 5353] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... futex resumed>) = 0 [pid 5358] rt_sigprocmask(SIG_SETMASK, [], [pid 5357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5356] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5353] <... futex resumed>) = 0 [pid 5351] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5348, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5356] <... futex resumed>) = 1 [pid 5353] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5350] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5358] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5357] <... bpf resumed>) = 3 [pid 5356] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5350] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5359 attached [pid 5358] <... bpf resumed>) = 3 [pid 5357] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] <... futex resumed>) = 0 [pid 5359] set_robust_list(0x55558a0856a0, 24 [pid 5357] <... futex resumed>) = 1 [pid 5351] <... futex resumed>) = 0 [pid 5350] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5359 [pid 5358] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... set_robust_list resumed>) = 0 [pid 5358] <... futex resumed>) = 1 [pid 5357] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] <... bpf resumed>) = 4 [pid 5353] <... futex resumed>) = 0 [pid 5351] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5358] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5353] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... futex resumed>) = 0 [pid 5359] <... prctl resumed>) = 0 [pid 5358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5356] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 0 [pid 5351] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5360 attached [pid 5359] setpgid(0, 0 [pid 5353] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] set_robust_list(0x55558a0856a0, 24 [pid 5359] <... setpgid resumed>) = 0 [pid 5360] <... set_robust_list resumed>) = 0 [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5358] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5356] <... futex resumed>) = 1 [pid 5360] setpgid(0, 0 [pid 5359] <... openat resumed>) = 3 [pid 5360] <... setpgid resumed>) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5359] write(3, "1000", 4 [pid 5360] <... openat resumed>) = 3 [pid 5359] <... write resumed>) = 4 [pid 5357] <... bpf resumed>) = 4 [pid 5350] <... futex resumed>) = 0 [pid 5359] close(3) = 0 [pid 5359] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] write(3, "1000", 4 [pid 5359] <... futex resumed>) = 0 [pid 5360] <... write resumed>) = 4 [pid 5359] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5358] <... bpf resumed>) = 4 [pid 5356] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5350] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5360 [pid 5360] close(3 [pid 5359] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5350] <... futex resumed>) = 0 [pid 5360] <... close resumed>) = 0 [pid 5359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5360] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5350] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5360] <... futex resumed>) = 0 [pid 5359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5356] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5360] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5359] <... mmap resumed>) = 0x7f7b61773000 [pid 5358] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5359] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5358] <... futex resumed>) = 1 [pid 5357] <... futex resumed>) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5351] <... futex resumed>) = 0 [pid 5360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5359] <... mprotect resumed>) = 0 [pid 5358] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5357] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5356] <... bpf resumed>) = 5 [pid 5353] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5356] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 0 [pid 5351] <... futex resumed>) = 0 [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5358] <... bpf resumed>) = 5 [pid 5357] <... bpf resumed>) = 5 [pid 5356] <... futex resumed>) = 1 [pid 5353] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5351] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5350] <... futex resumed>) = 0 [pid 5360] <... mmap resumed>) = 0x7f7b61773000 [pid 5359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5357] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5350] exit_group(0 [pid 5358] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5357] <... futex resumed>) = 1 [pid 5351] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5361 attached [pid 5358] <... futex resumed>) = 1 [pid 5357] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] <... futex resumed>) = ? [pid 5353] <... futex resumed>) = 0 [pid 5350] <... exit_group resumed>) = ? [pid 5361] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5358] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] +++ exited with 0 +++ [pid 5360] <... mprotect resumed>) = 0 [pid 5359] <... clone3 resumed> => {parent_tid=[5361]}, 88) = 5361 [pid 5353] exit_group(0 [pid 5351] exit_group(0 [pid 5361] <... rseq resumed>) = 0 [pid 5360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5359] rt_sigprocmask(SIG_SETMASK, [], [pid 5358] <... futex resumed>) = ? [pid 5353] <... exit_group resumed>) = ? [pid 5351] <... exit_group resumed>) = ? [pid 5357] <... futex resumed>) = ? [pid 5361] set_robust_list(0x7f7b617939a0, 24 [pid 5360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5358] +++ exited with 0 +++ [pid 5357] +++ exited with 0 +++ [pid 5350] +++ exited with 0 +++ [pid 5361] <... set_robust_list resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5359] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] rt_sigprocmask(SIG_SETMASK, [], [pid 5360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5359] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5362 attached [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5359] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5361] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5360] <... clone3 resumed> => {parent_tid=[5362]}, 88) = 5362 [pid 5362] <... rseq resumed>) = 0 [pid 5361] <... bpf resumed>) = 3 [pid 5360] rt_sigprocmask(SIG_SETMASK, [], [pid 5362] set_robust_list(0x7f7b617939a0, 24 [pid 5361] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... set_robust_list resumed>) = 0 [pid 5361] <... futex resumed>) = 1 [pid 5360] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = 0 [pid 5362] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] <... futex resumed>) = 0 [pid 5359] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5360] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] <... futex resumed>) = 0 [pid 5362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5361] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5359] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5363 attached [pid 5362] <... bpf resumed>) = 3 [pid 5361] <... bpf resumed>) = 4 [pid 5363] set_robust_list(0x55558a0856a0, 24 [pid 5362] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... set_robust_list resumed>) = 0 [pid 5361] <... futex resumed>) = 1 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5361] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... futex resumed>) = 0 [pid 5363] <... prctl resumed>) = 0 [pid 5359] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] setpgid(0, 0 [pid 5362] <... futex resumed>) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5362] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5363] <... setpgid resumed>) = 0 [pid 5361] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5360] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5362] <... futex resumed>) = 0 [pid 5360] <... futex resumed>) = 1 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5363 [pid 5362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5360] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... openat resumed>) = 3 [pid 5353] +++ exited with 0 +++ [pid 5351] +++ exited with 0 +++ [pid 5363] write(3, "1000", 4 [pid 5362] <... bpf resumed>) = 4 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5363] <... write resumed>) = 4 [pid 5363] close(3) = 0 [pid 5362] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5362] <... futex resumed>) = 1 [pid 5360] <... futex resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5362] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5363] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5360] <... futex resumed>) = 0 [pid 5360] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5364 attached [pid 5363] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5364] set_robust_list(0x55558a0856a0, 24 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5364 ./strace-static-x86_64: Process 5365 attached [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5365] set_robust_list(0x55558a0856a0, 24 [pid 5364] <... set_robust_list resumed>) = 0 [pid 5363] <... mmap resumed>) = 0x7f7b61773000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5365 [pid 5365] <... set_robust_list resumed>) = 0 [pid 5363] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5364] <... prctl resumed>) = 0 [pid 5363] <... mprotect resumed>) = 0 [pid 5365] <... prctl resumed>) = 0 [pid 5364] setpgid(0, 0 [pid 5363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5364] <... setpgid resumed>) = 0 [pid 5361] <... bpf resumed>) = 5 [pid 5365] setpgid(0, 0 [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5362] <... bpf resumed>) = 5 [pid 5361] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... setpgid resumed>) = 0 [pid 5363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5362] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... futex resumed>) = 1 [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5364] <... openat resumed>) = 3 [pid 5362] <... futex resumed>) = 1 [pid 5361] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... futex resumed>) = 0 [pid 5364] write(3, "1000", 4) = 4 [pid 5364] close(3) = 0 ./strace-static-x86_64: Process 5366 attached [pid 5365] <... openat resumed>) = 3 [pid 5362] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] <... futex resumed>) = 0 [pid 5359] exit_group(0 [pid 5366] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5365] write(3, "1000", 4 [pid 5364] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... clone3 resumed> => {parent_tid=[5366]}, 88) = 5366 [pid 5361] <... futex resumed>) = ? [pid 5360] exit_group(0 [pid 5359] <... exit_group resumed>) = ? [pid 5366] <... rseq resumed>) = 0 [pid 5365] <... write resumed>) = 4 [pid 5364] <... futex resumed>) = 0 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5362] <... futex resumed>) = ? [pid 5361] +++ exited with 0 +++ [pid 5360] <... exit_group resumed>) = ? [pid 5364] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5366] set_robust_list(0x7f7b617939a0, 24 [pid 5365] close(3 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] +++ exited with 0 +++ [pid 5366] <... set_robust_list resumed>) = 0 [pid 5365] <... close resumed>) = 0 [pid 5364] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5363] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] rt_sigprocmask(SIG_SETMASK, [], [pid 5365] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5363] <... futex resumed>) = 0 [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] <... futex resumed>) = 0 [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5363] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5366] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5365] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5366] <... bpf resumed>) = 3 [pid 5366] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5364] <... mmap resumed>) = 0x7f7b61773000 [pid 5359] +++ exited with 0 +++ [pid 5363] <... futex resumed>) = 0 [pid 5366] <... futex resumed>) = 1 [pid 5366] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] +++ exited with 0 +++ [pid 5366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5363] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5364] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5363] <... futex resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5364] <... mprotect resumed>) = 0 [pid 5363] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5366] <... bpf resumed>) = 4 [pid 5365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5366] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... mmap resumed>) = 0x7f7b61773000 [pid 5366] <... futex resumed>) = 1 [pid 5363] <... futex resumed>) = 0 [pid 5364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5366] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5363] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5365] <... mprotect resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5367 attached [pid 5366] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5363] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5369 attached [pid 5365] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5368 attached [], 8) = 0 [pid 5368] set_robust_list(0x55558a0856a0, 24 [pid 5365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5368] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5370 attached [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5370] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5365] <... clone3 resumed> => {parent_tid=[5370]}, 88) = 5370 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5368 [pid 5370] <... rseq resumed>) = 0 [pid 5368] <... prctl resumed>) = 0 [pid 5365] rt_sigprocmask(SIG_SETMASK, [], [pid 5369] set_robust_list(0x55558a0856a0, 24 [pid 5367] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5364] <... clone3 resumed> => {parent_tid=[5367]}, 88) = 5367 [pid 5363] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5369 [pid 5370] set_robust_list(0x7f7b617939a0, 24 [pid 5369] <... set_robust_list resumed>) = 0 [pid 5368] setpgid(0, 0 [pid 5367] <... rseq resumed>) = 0 [pid 5365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] <... set_robust_list resumed>) = 0 [pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5368] <... setpgid resumed>) = 0 [pid 5367] set_robust_list(0x7f7b617939a0, 24 [pid 5365] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] rt_sigprocmask(SIG_SETMASK, [], [pid 5369] <... prctl resumed>) = 0 [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5367] <... set_robust_list resumed>) = 0 [pid 5365] <... futex resumed>) = 0 [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] setpgid(0, 0 [pid 5367] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... setpgid resumed>) = 0 [pid 5368] <... openat resumed>) = 3 [pid 5367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5365] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... futex resumed>) = 0 [pid 5370] <... bpf resumed>) = 3 [pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5368] write(3, "1000", 4 [pid 5367] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5364] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... write resumed>) = 4 [pid 5370] <... futex resumed>) = 1 [pid 5369] <... openat resumed>) = 3 [pid 5368] close(3 [pid 5365] <... futex resumed>) = 0 [pid 5367] <... bpf resumed>) = 3 [pid 5370] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] write(3, "1000", 4 [pid 5368] <... close resumed>) = 0 [pid 5367] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] <... write resumed>) = 4 [pid 5368] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5370] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5369] close(3 [pid 5368] <... futex resumed>) = 0 [pid 5365] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5367] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5364] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... bpf resumed>) = 4 [pid 5368] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5364] <... futex resumed>) = 0 [pid 5369] <... close resumed>) = 0 [pid 5364] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5369] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5368] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5368] <... mmap resumed>) = 0x7f7b61773000 [pid 5366] <... bpf resumed>) = 5 [pid 5370] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5370] <... futex resumed>) = 1 [pid 5369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5368] <... mprotect resumed>) = 0 [pid 5367] <... bpf resumed>) = 4 [pid 5366] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = 0 [pid 5370] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] <... mmap resumed>) = 0x7f7b61773000 [pid 5367] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... futex resumed>) = 1 [pid 5365] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5368] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5368] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5367] <... futex resumed>) = 1 [pid 5366] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] <... futex resumed>) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5363] exit_group(0 [pid 5370] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5369] <... mprotect resumed>) = 0 [pid 5368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5367] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] <... futex resumed>) = ? [pid 5365] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5364] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5371 attached [pid 5370] <... bpf resumed>) = 5 [pid 5369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] +++ exited with 0 +++ [pid 5364] <... futex resumed>) = 0 [pid 5371] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5367] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5371] <... rseq resumed>) = 0 [pid 5370] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... clone3 resumed> => {parent_tid=[5371]}, 88) = 5371 [pid 5367] <... bpf resumed>) = 5 [pid 5371] set_robust_list(0x7f7b617939a0, 24 [pid 5370] <... futex resumed>) = 1 [pid 5369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5368] rt_sigprocmask(SIG_SETMASK, [], [pid 5367] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = 0 [pid 5364] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5371] <... set_robust_list resumed>) = 0 [pid 5370] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5367] <... futex resumed>) = 0 [pid 5365] exit_group(0 [pid 5364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5371] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] <... futex resumed>) = ? [pid 5368] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5372 attached [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] +++ exited with 0 +++ [pid 5368] <... futex resumed>) = 0 [pid 5372] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5369] <... clone3 resumed> => {parent_tid=[5372]}, 88) = 5372 [pid 5367] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] exit_group(0 [pid 5372] <... rseq resumed>) = 0 [pid 5371] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5369] rt_sigprocmask(SIG_SETMASK, [], [pid 5368] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5367] <... futex resumed>) = ? [pid 5364] <... exit_group resumed>) = ? [pid 5363] +++ exited with 0 +++ [pid 5372] set_robust_list(0x7f7b617939a0, 24 [pid 5371] <... bpf resumed>) = 3 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5367] +++ exited with 0 +++ [pid 5372] <... set_robust_list resumed>) = 0 [pid 5371] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5371] <... futex resumed>) = 1 [pid 5369] <... futex resumed>) = 0 [pid 5368] <... futex resumed>) = 0 [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5371] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5368] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] <... futex resumed>) = 0 [pid 5372] <... bpf resumed>) = 3 [pid 5371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5368] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... bpf resumed>) = 4 [pid 5372] <... futex resumed>) = 1 [pid 5369] <... futex resumed>) = 0 [pid 5369] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5371] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5372] <... bpf resumed>) = 4 [pid 5371] <... futex resumed>) = 1 [pid 5369] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5371] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] <... futex resumed>) = 0 [pid 5372] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] <... futex resumed>) = 0 [pid 5368] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5373 attached [pid 5372] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5369] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] <... futex resumed>) = 0 [pid 5368] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5373 [pid 5373] set_robust_list(0x55558a0856a0, 24 [pid 5372] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5369] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5373] <... set_robust_list resumed>) = 0 [pid 5365] +++ exited with 0 +++ [pid 5373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5365, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5373] <... prctl resumed>) = 0 [pid 5373] setpgid(0, 0) = 0 [pid 5364] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5374 attached [pid 5373] <... openat resumed>) = 3 [pid 5374] set_robust_list(0x55558a0856a0, 24 [pid 5373] write(3, "1000", 4) = 4 [pid 5374] <... set_robust_list resumed>) = 0 [pid 5373] close(3 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5373] <... close resumed>) = 0 [pid 5373] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5375 attached [pid 5374] <... prctl resumed>) = 0 [pid 5373] <... futex resumed>) = 0 [pid 5372] <... bpf resumed>) = 5 [pid 5371] <... bpf resumed>) = 5 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5375 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5374 [pid 5374] setpgid(0, 0 [pid 5373] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5371] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] set_robust_list(0x55558a0856a0, 24 [pid 5374] <... setpgid resumed>) = 0 [pid 5373] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5372] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... futex resumed>) = 1 [pid 5368] <... futex resumed>) = 0 [pid 5375] <... set_robust_list resumed>) = 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5372] <... futex resumed>) = 1 [pid 5371] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] <... futex resumed>) = 0 [pid 5368] exit_group(0 [pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5374] <... openat resumed>) = 3 [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] <... futex resumed>) = ? [pid 5369] exit_group(0 [pid 5368] <... exit_group resumed>) = ? [pid 5375] <... prctl resumed>) = 0 [pid 5371] +++ exited with 0 +++ [pid 5374] write(3, "1000", 4 [pid 5373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5374] <... write resumed>) = 4 [pid 5373] <... mmap resumed>) = 0x7f7b61773000 [pid 5374] close(3 [pid 5373] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5374] <... close resumed>) = 0 [pid 5373] <... mprotect resumed>) = 0 [pid 5374] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5374] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5368] +++ exited with 0 +++ [pid 5375] setpgid(0, 0 [pid 5374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5372] <... futex resumed>) = ? [pid 5369] <... exit_group resumed>) = ? [pid 5375] <... setpgid resumed>) = 0 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] +++ exited with 0 +++ [pid 5374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5373] <... clone3 resumed> => {parent_tid=[5376]}, 88) = 5376 [pid 5373] rt_sigprocmask(SIG_SETMASK, [], [pid 5374] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5374] <... mprotect resumed>) = 0 [pid 5373] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5376 attached [pid 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5373] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5374] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5376] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5374] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5375] <... openat resumed>) = 3 [pid 5376] <... rseq resumed>) = 0 [pid 5374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5376] set_robust_list(0x7f7b617939a0, 24 [pid 5375] write(3, "1000", 4) = 4 [pid 5375] close(3./strace-static-x86_64: Process 5377 attached [pid 5376] <... set_robust_list resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5377] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5376] rt_sigprocmask(SIG_SETMASK, [], [pid 5375] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5377] <... rseq resumed>) = 0 [pid 5376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] set_robust_list(0x7f7b617939a0, 24 [pid 5376] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5374] <... clone3 resumed> => {parent_tid=[5377]}, 88) = 5377 [pid 5375] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... set_robust_list resumed>) = 0 [pid 5374] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5378 attached [pid 5377] rt_sigprocmask(SIG_SETMASK, [], [pid 5376] <... bpf resumed>) = 3 [pid 5375] <... futex resumed>) = 0 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5378 ./strace-static-x86_64: Process 5379 attached [pid 5378] set_robust_list(0x55558a0856a0, 24 [pid 5375] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5374] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... set_robust_list resumed>) = 0 [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5374] <... futex resumed>) = 0 [pid 5379] set_robust_list(0x55558a0856a0, 24 [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5377] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5376] <... futex resumed>) = 1 [pid 5375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5374] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5379 [pid 5379] <... set_robust_list resumed>) = 0 [pid 5378] <... prctl resumed>) = 0 [pid 5377] <... bpf resumed>) = 3 [pid 5376] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5373] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] setpgid(0, 0 [pid 5377] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5373] <... futex resumed>) = 0 [pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5378] <... setpgid resumed>) = 0 [pid 5377] <... futex resumed>) = 1 [pid 5376] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5375] <... mmap resumed>) = 0x7f7b61773000 [pid 5374] <... futex resumed>) = 0 [pid 5373] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] setpgid(0, 0 [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5377] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5375] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5374] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... setpgid resumed>) = 0 [pid 5376] <... bpf resumed>) = 4 [pid 5375] <... mprotect resumed>) = 0 [pid 5374] <... futex resumed>) = 0 [pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5378] <... openat resumed>) = 3 [pid 5377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5374] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] <... openat resumed>) = 3 [pid 5376] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5379] write(3, "1000", 4 [pid 5378] write(3, "1000", 4 [pid 5377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5376] <... futex resumed>) = 1 [pid 5375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5373] <... futex resumed>) = 0 [pid 5379] <... write resumed>) = 4 [pid 5378] <... write resumed>) = 4 [pid 5376] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5373] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] close(3 [pid 5375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5373] <... futex resumed>) = 0 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5378] close(3 [pid 5379] <... close resumed>) = 0 [pid 5376] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5373] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5380 attached [pid 5379] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... close resumed>) = 0 [pid 5380] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5379] <... futex resumed>) = 0 [pid 5380] <... rseq resumed>) = 0 [pid 5379] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5380] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5379] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5380] rt_sigprocmask(SIG_SETMASK, [], [pid 5379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5378] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] <... bpf resumed>) = 5 [pid 5380] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5377] <... bpf resumed>) = 4 [pid 5378] <... futex resumed>) = 0 [pid 5376] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... clone3 resumed> => {parent_tid=[5380]}, 88) = 5380 [pid 5379] <... mmap resumed>) = 0x7f7b61773000 [pid 5378] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5377] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = 1 [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5373] <... futex resumed>) = 0 [pid 5379] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5378] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5377] <... futex resumed>) = 1 [pid 5376] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5374] <... futex resumed>) = 0 [pid 5373] exit_group(0 [pid 5379] <... mprotect resumed>) = 0 [pid 5378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5377] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5376] <... futex resumed>) = ? [pid 5375] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... exit_group resumed>) = ? [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5376] +++ exited with 0 +++ [pid 5375] <... futex resumed>) = 1 [pid 5374] <... futex resumed>) = 0 [pid 5378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5375] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5374] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5378] <... mmap resumed>) = 0x7f7b61773000 [pid 5377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5378] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5373] +++ exited with 0 +++ [pid 5380] <... futex resumed>) = 0 [pid 5379] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5380] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5378] <... mprotect resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5380] <... bpf resumed>) = 3 [pid 5379] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5378] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] <... restart_syscall resumed>) = 0 [pid 5380] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5380] <... futex resumed>) = 1 [pid 5375] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5381 attached [pid 5380] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5375] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5375] <... futex resumed>) = 0 [pid 5379] <... clone3 resumed> => {parent_tid=[5381]}, 88) = 5381 [pid 5378] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5381] <... rseq resumed>) = 0 [pid 5380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5379] rt_sigprocmask(SIG_SETMASK, [], [pid 5378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5375] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5382 attached [pid 5381] set_robust_list(0x7f7b617939a0, 24 [pid 5379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5381] <... set_robust_list resumed>) = 0 [pid 5380] <... bpf resumed>) = 4 [pid 5381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5380] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 1 [pid 5375] <... futex resumed>) = 0 [pid 5382] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5383 attached [pid 5381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... clone3 resumed> => {parent_tid=[5382]}, 88) = 5382 [pid 5375] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5381] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5378] rt_sigprocmask(SIG_SETMASK, [], [pid 5382] <... rseq resumed>) = 0 [pid 5379] <... futex resumed>) = 0 [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5375] <... futex resumed>) = 0 [pid 5383] set_robust_list(0x55558a0856a0, 24 [pid 5382] set_robust_list(0x7f7b617939a0, 24 [pid 5381] <... bpf resumed>) = 3 [pid 5379] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... set_robust_list resumed>) = 0 [pid 5382] <... set_robust_list resumed>) = 0 [pid 5378] <... futex resumed>) = 0 [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5382] rt_sigprocmask(SIG_SETMASK, [], [pid 5381] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... bpf resumed>) = 5 [pid 5378] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] <... bpf resumed>) = 5 [pid 5375] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5381] <... futex resumed>) = 1 [pid 5380] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5383 [pid 5383] <... prctl resumed>) = 0 [pid 5382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5381] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 0 [pid 5379] <... futex resumed>) = 0 [pid 5375] exit_group(0 [pid 5383] setpgid(0, 0 [pid 5382] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5379] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = 1 [pid 5375] <... exit_group resumed>) = ? [pid 5374] <... futex resumed>) = 0 [pid 5380] +++ exited with 0 +++ [pid 5383] <... setpgid resumed>) = 0 [pid 5382] <... bpf resumed>) = 3 [pid 5379] <... futex resumed>) = 1 [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5382] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] <... openat resumed>) = 3 [pid 5382] <... futex resumed>) = 1 [pid 5378] <... futex resumed>) = 0 [pid 5382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5378] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] write(3, "1000", 4 [pid 5381] <... futex resumed>) = 0 [pid 5378] <... futex resumed>) = 0 [pid 5377] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5375] +++ exited with 0 +++ [pid 5374] exit_group(0 [pid 5383] <... write resumed>) = 4 [pid 5382] <... bpf resumed>) = 4 [pid 5381] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5378] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] <... futex resumed>) = ? [pid 5374] <... exit_group resumed>) = ? [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5383] close(3 [pid 5382] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] <... close resumed>) = 0 [pid 5382] <... futex resumed>) = 0 [pid 5378] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5381] <... bpf resumed>) = 4 [pid 5378] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 0 [pid 5382] <... bpf resumed>) = 5 [pid 5378] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5383] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5382] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5384 attached [pid 5383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5382] <... futex resumed>) = 1 [pid 5378] <... futex resumed>) = 0 [pid 5378] exit_group(0 [pid 5384] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5381] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5381] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] <... futex resumed>) = 0 [pid 5379] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] <... futex resumed>) = 0 [pid 5378] <... exit_group resumed>) = ? [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5381] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5379] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5384] <... prctl resumed>) = 0 [pid 5383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5384 [pid 5384] setpgid(0, 0) = 0 [pid 5383] <... mmap resumed>) = 0x7f7b61773000 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5383] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5384] <... openat resumed>) = 3 [pid 5383] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5384] write(3, "1000", 4 [pid 5383] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5384] <... write resumed>) = 4 [pid 5383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5384] close(3./strace-static-x86_64: Process 5385 attached [pid 5385] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5383] <... clone3 resumed> => {parent_tid=[5385]}, 88) = 5385 [pid 5385] <... rseq resumed>) = 0 [pid 5383] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] set_robust_list(0x7f7b617939a0, 24 [pid 5383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] <... set_robust_list resumed>) = 0 [pid 5383] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] rt_sigprocmask(SIG_SETMASK, [], [pid 5383] <... futex resumed>) = 0 [pid 5385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5383] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5385] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 1 [pid 5383] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5383] <... futex resumed>) = 0 [pid 5383] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] <... close resumed>) = 0 [pid 5384] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5385] <... bpf resumed>) = 4 [pid 5384] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5385] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5385] <... futex resumed>) = 1 [pid 5383] <... futex resumed>) = 0 [pid 5385] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5383] <... futex resumed>) = 0 [pid 5385] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5383] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5384] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5384] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5386 attached [pid 5386] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5384] <... clone3 resumed> => {parent_tid=[5386]}, 88) = 5386 [pid 5386] <... rseq resumed>) = 0 [pid 5384] rt_sigprocmask(SIG_SETMASK, [], [pid 5386] set_robust_list(0x7f7b617939a0, 24 [pid 5384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5386] <... set_robust_list resumed>) = 0 [pid 5384] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] rt_sigprocmask(SIG_SETMASK, [], [pid 5384] <... futex resumed>) = 0 [pid 5377] +++ exited with 0 +++ [pid 5374] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5381] <... bpf resumed>) = 5 [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5384] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5386] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5381] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5386] <... bpf resumed>) = 3 [pid 5381] <... futex resumed>) = 1 [pid 5379] <... futex resumed>) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5386] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] <... futex resumed>) = 1 [pid 5384] <... futex resumed>) = 0 [pid 5379] exit_group(0 [pid 5386] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... futex resumed>) = ? [pid 5379] <... exit_group resumed>) = ? [pid 5386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5384] <... futex resumed>) = 0 [pid 5381] +++ exited with 0 +++ [pid 5386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5384] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5386] <... bpf resumed>) = 4 [pid 5386] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... bpf resumed>) = 5 [pid 5382] +++ exited with 0 +++ [pid 5378] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5385] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5386] <... futex resumed>) = 1 [pid 5385] <... futex resumed>) = 1 [pid 5383] <... futex resumed>) = 0 [pid 5386] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5385] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] <... futex resumed>) = 0 [pid 5383] exit_group(0./strace-static-x86_64: Process 5387 attached [pid 5385] <... futex resumed>) = ? [pid 5384] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5387] set_robust_list(0x55558a0856a0, 24 [pid 5386] <... futex resumed>) = 0 [pid 5385] +++ exited with 0 +++ [pid 5384] <... futex resumed>) = 1 [pid 5387] <... set_robust_list resumed>) = 0 [pid 5386] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5387 [pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5384] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5388 attached [pid 5387] <... prctl resumed>) = 0 [pid 5388] set_robust_list(0x55558a0856a0, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5388 [pid 5387] setpgid(0, 0) = 0 [pid 5388] <... set_robust_list resumed>) = 0 [pid 5388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5386] <... bpf resumed>) = 5 [pid 5379] +++ exited with 0 +++ [pid 5388] setpgid(0, 0 [pid 5387] <... openat resumed>) = 3 [pid 5386] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5379, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5388] <... setpgid resumed>) = 0 [pid 5386] <... futex resumed>) = 1 [pid 5384] <... futex resumed>) = 0 [pid 5384] exit_group(0 [pid 5387] write(3, "1000", 4 [pid 5384] <... exit_group resumed>) = ? [pid 5388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5387] <... write resumed>) = 4 [pid 5386] +++ exited with 0 +++ [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5388] <... openat resumed>) = 3 [pid 5387] close(3./strace-static-x86_64: Process 5389 attached [pid 5388] write(3, "1000", 4) = 4 [pid 5388] close(3) = 0 [pid 5388] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] <... close resumed>) = 0 [pid 5389] set_robust_list(0x55558a0856a0, 24 [pid 5388] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5389 [pid 5389] <... set_robust_list resumed>) = 0 [pid 5388] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5387] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5387] <... futex resumed>) = 0 [pid 5389] <... prctl resumed>) = 0 [pid 5388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5387] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5389] setpgid(0, 0 [pid 5387] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5389] <... setpgid resumed>) = 0 [pid 5388] <... mmap resumed>) = 0x7f7b61773000 [pid 5387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5388] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5388] <... mprotect resumed>) = 0 [pid 5388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5387] <... mmap resumed>) = 0x7f7b61773000 ./strace-static-x86_64: Process 5390 attached [pid 5389] <... openat resumed>) = 3 [pid 5387] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5390] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5389] write(3, "1000", 4 [pid 5388] <... clone3 resumed> => {parent_tid=[5390]}, 88) = 5390 [pid 5387] <... mprotect resumed>) = 0 [pid 5388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5388] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5389] <... write resumed>) = 4 [pid 5388] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5390] <... rseq resumed>) = 0 [pid 5390] set_robust_list(0x7f7b617939a0, 24 [pid 5389] close(3 [pid 5387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5389] <... close resumed>) = 0 [pid 5390] <... set_robust_list resumed>) = 0 [pid 5390] rt_sigprocmask(SIG_SETMASK, [], [pid 5389] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5389] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5391 attached [pid 5391] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5390] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5389] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5387] <... clone3 resumed> => {parent_tid=[5391]}, 88) = 5391 [pid 5390] <... bpf resumed>) = 3 [pid 5389] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5390] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5391] <... rseq resumed>) = 0 [pid 5390] <... futex resumed>) = 1 [pid 5389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5388] <... futex resumed>) = 0 [pid 5387] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] set_robust_list(0x7f7b617939a0, 24 [pid 5390] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5388] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = 0 [pid 5391] <... set_robust_list resumed>) = 0 [pid 5390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... mmap resumed>) = 0x7f7b61773000 [pid 5388] <... futex resumed>) = 0 [pid 5387] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] +++ exited with 0 +++ [pid 5391] rt_sigprocmask(SIG_SETMASK, [], [pid 5390] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5389] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5388] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5384] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5391] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5391] <... bpf resumed>) = 3 [pid 5390] <... bpf resumed>) = 4 [pid 5389] <... mprotect resumed>) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5073] <... restart_syscall resumed>) = 0 [pid 5391] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5391] <... futex resumed>) = 1 [pid 5391] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5387] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5387] <... futex resumed>) = 1 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5391] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 1 [pid 5389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5388] <... futex resumed>) = 0 [pid 5387] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5390] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] <... clone3 resumed> => {parent_tid=[5392]}, 88) = 5392 ./strace-static-x86_64: Process 5394 attached ./strace-static-x86_64: Process 5393 attached ./strace-static-x86_64: Process 5392 attached [pid 5391] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5388] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] set_robust_list(0x55558a0856a0, 24 [pid 5393] set_robust_list(0x55558a0856a0, 24 [pid 5392] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5388] <... futex resumed>) = 1 [pid 5390] <... futex resumed>) = 0 [pid 5389] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5394 [pid 5390] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5391] <... bpf resumed>) = 4 [pid 5394] <... set_robust_list resumed>) = 0 [pid 5393] <... set_robust_list resumed>) = 0 [pid 5392] <... rseq resumed>) = 0 [pid 5390] <... bpf resumed>) = 5 [pid 5389] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5393 [pid 5392] set_robust_list(0x7f7b617939a0, 24 [pid 5391] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = 0 [pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5392] <... set_robust_list resumed>) = 0 [pid 5390] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5394] <... prctl resumed>) = 0 [pid 5393] <... prctl resumed>) = 0 [pid 5392] rt_sigprocmask(SIG_SETMASK, [], [pid 5390] <... futex resumed>) = 1 [pid 5388] <... futex resumed>) = 0 [pid 5394] setpgid(0, 0 [pid 5393] setpgid(0, 0 [pid 5392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5391] <... futex resumed>) = 1 [pid 5390] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5388] exit_group(0 [pid 5387] <... futex resumed>) = 0 [pid 5394] <... setpgid resumed>) = 0 [pid 5393] <... setpgid resumed>) = 0 [pid 5392] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5391] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5390] <... futex resumed>) = ? [pid 5388] <... exit_group resumed>) = ? [pid 5387] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5392] <... bpf resumed>) = 3 [pid 5391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] <... futex resumed>) = 0 [pid 5394] <... openat resumed>) = 3 [pid 5393] <... openat resumed>) = 3 [pid 5392] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5387] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5394] write(3, "1000", 4 [pid 5392] <... futex resumed>) = 1 [pid 5390] +++ exited with 0 +++ [pid 5389] <... futex resumed>) = 0 [pid 5388] +++ exited with 0 +++ [pid 5393] write(3, "1000", 4 [pid 5394] <... write resumed>) = 4 [pid 5393] <... write resumed>) = 4 [pid 5392] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5394] close(3 [pid 5393] close(3 [pid 5392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... futex resumed>) = 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5394] <... close resumed>) = 0 [pid 5393] <... close resumed>) = 0 [pid 5392] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5389] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... restart_syscall resumed>) = 0 [pid 5394] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] <... futex resumed>) = 0 [pid 5393] <... futex resumed>) = 0 [pid 5394] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5393] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5394] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5395 attached [pid 5393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5392] <... bpf resumed>) = 4 [pid 5394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5395 [pid 5395] set_robust_list(0x55558a0856a0, 24 [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5393] <... mmap resumed>) = 0x7f7b61773000 [pid 5392] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... set_robust_list resumed>) = 0 [pid 5394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5393] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5394] <... mmap resumed>) = 0x7f7b61773000 [pid 5393] <... mprotect resumed>) = 0 [pid 5392] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5395] <... prctl resumed>) = 0 [pid 5394] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5392] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5389] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] <... mprotect resumed>) = 0 [pid 5389] <... futex resumed>) = 0 [pid 5393] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5395] setpgid(0, 0 [pid 5394] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5389] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5395] <... setpgid resumed>) = 0 [pid 5393] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5394] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5396 attached ./strace-static-x86_64: Process 5397 attached [pid 5396] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5395] <... openat resumed>) = 3 [pid 5394] <... clone3 resumed> => {parent_tid=[5396]}, 88) = 5396 [pid 5393] <... clone3 resumed> => {parent_tid=[5397]}, 88) = 5397 [pid 5397] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5396] <... rseq resumed>) = 0 [pid 5394] rt_sigprocmask(SIG_SETMASK, [], [pid 5393] rt_sigprocmask(SIG_SETMASK, [], [pid 5397] <... rseq resumed>) = 0 [pid 5396] set_robust_list(0x7f7b617939a0, 24 [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5397] set_robust_list(0x7f7b617939a0, 24 [pid 5396] <... set_robust_list resumed>) = 0 [pid 5395] write(3, "1000", 4 [pid 5394] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... bpf resumed>) = 5 [pid 5391] <... bpf resumed>) = 5 [pid 5396] rt_sigprocmask(SIG_SETMASK, [], [pid 5394] <... futex resumed>) = 0 [pid 5397] <... set_robust_list resumed>) = 0 [pid 5396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5395] <... write resumed>) = 4 [pid 5394] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... futex resumed>) = 0 [pid 5392] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] rt_sigprocmask(SIG_SETMASK, [], [pid 5396] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5395] close(3 [pid 5393] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5392] <... futex resumed>) = 1 [pid 5391] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = 0 [pid 5397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5396] <... bpf resumed>) = 3 [pid 5395] <... close resumed>) = 0 [pid 5392] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5391] <... futex resumed>) = 1 [pid 5389] exit_group(0 [pid 5387] <... futex resumed>) = 0 [pid 5397] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5396] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... futex resumed>) = ? [pid 5391] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] <... exit_group resumed>) = ? [pid 5387] exit_group(0 [pid 5397] <... bpf resumed>) = 3 [pid 5396] <... futex resumed>) = 1 [pid 5395] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = 0 [pid 5392] +++ exited with 0 +++ [pid 5391] <... futex resumed>) = ? [pid 5387] <... exit_group resumed>) = ? [pid 5397] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5394] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] +++ exited with 0 +++ [pid 5389] +++ exited with 0 +++ [pid 5397] <... futex resumed>) = 1 [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5395] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5394] <... futex resumed>) = 0 [pid 5393] <... futex resumed>) = 0 [pid 5397] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5394] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] <... bpf resumed>) = 4 [pid 5395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5393] <... futex resumed>) = 0 [pid 5387] +++ exited with 0 +++ [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5397] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5393] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] <... bpf resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5387, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5074] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5398 attached [pid 5397] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... mmap resumed>) = 0x7f7b61773000 [pid 5396] <... futex resumed>) = 1 [pid 5395] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5394] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5398] set_robust_list(0x55558a0856a0, 24 [pid 5397] <... futex resumed>) = 1 [pid 5396] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] <... mprotect resumed>) = 0 [pid 5394] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5398 ./strace-static-x86_64: Process 5399 attached [pid 5398] <... set_robust_list resumed>) = 0 [pid 5397] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5395] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5394] <... futex resumed>) = 0 [pid 5393] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] set_robust_list(0x55558a0856a0, 24 [pid 5398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5395] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5394] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5393] <... futex resumed>) = 0 [pid 5399] <... set_robust_list resumed>) = 0 [pid 5398] <... prctl resumed>) = 0 [pid 5397] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5393] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5399 ./strace-static-x86_64: Process 5400 attached [pid 5399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5398] setpgid(0, 0 [pid 5400] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5399] <... prctl resumed>) = 0 [pid 5398] <... setpgid resumed>) = 0 [pid 5395] <... clone3 resumed> => {parent_tid=[5400]}, 88) = 5400 [pid 5400] <... rseq resumed>) = 0 [pid 5399] setpgid(0, 0 [pid 5398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5395] rt_sigprocmask(SIG_SETMASK, [], [pid 5400] set_robust_list(0x7f7b617939a0, 24 [pid 5399] <... setpgid resumed>) = 0 [pid 5395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5400] <... set_robust_list resumed>) = 0 [pid 5398] <... openat resumed>) = 3 [pid 5395] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] rt_sigprocmask(SIG_SETMASK, [], [pid 5399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5398] write(3, "1000", 4 [pid 5395] <... futex resumed>) = 0 [pid 5400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5399] <... openat resumed>) = 3 [pid 5398] <... write resumed>) = 4 [pid 5395] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5399] write(3, "1000", 4 [pid 5398] close(3 [pid 5400] <... bpf resumed>) = 3 [pid 5399] <... write resumed>) = 4 [pid 5398] <... close resumed>) = 0 [pid 5400] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] close(3 [pid 5400] <... futex resumed>) = 1 [pid 5395] <... futex resumed>) = 0 [pid 5400] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5399] <... close resumed>) = 0 [pid 5398] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... bpf resumed>) = 4 [pid 5399] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] <... futex resumed>) = 0 [pid 5395] <... futex resumed>) = 0 [pid 5399] <... futex resumed>) = 0 [pid 5398] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5400] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5397] <... bpf resumed>) = 5 [pid 5396] <... bpf resumed>) = 5 [pid 5395] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5398] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5400] <... futex resumed>) = 0 [pid 5396] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5400] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] <... futex resumed>) = 1 [pid 5395] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] <... futex resumed>) = 0 [pid 5400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5399] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5396] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5397] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... futex resumed>) = 0 [pid 5394] exit_group(0 [pid 5400] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5397] <... futex resumed>) = 1 [pid 5396] <... futex resumed>) = ? [pid 5395] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5394] <... exit_group resumed>) = ? [pid 5393] <... futex resumed>) = 0 [pid 5400] <... bpf resumed>) = 5 [pid 5399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5397] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] +++ exited with 0 +++ [pid 5393] exit_group(0 [pid 5399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5397] <... futex resumed>) = ? [pid 5393] <... exit_group resumed>) = ? [pid 5400] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5399] <... mmap resumed>) = 0x7f7b61773000 [pid 5398] <... mmap resumed>) = 0x7f7b61773000 [pid 5397] +++ exited with 0 +++ [pid 5395] <... futex resumed>) = 0 [pid 5394] +++ exited with 0 +++ [pid 5400] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5399] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5398] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5395] exit_group(0 [pid 5400] <... futex resumed>) = ? [pid 5399] <... mprotect resumed>) = 0 [pid 5398] <... mprotect resumed>) = 0 [pid 5395] <... exit_group resumed>) = ? [pid 5400] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5394, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5399] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5398] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5399] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5398] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5401 attached [pid 5399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5403 attached [pid 5401] set_robust_list(0x55558a0856a0, 24 [pid 5398] <... clone3 resumed> => {parent_tid=[5402]}, 88) = 5402 ./strace-static-x86_64: Process 5402 attached [pid 5399] <... clone3 resumed> => {parent_tid=[5403]}, 88) = 5403 [pid 5398] rt_sigprocmask(SIG_SETMASK, [], [pid 5401] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5401 [pid 5398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5402] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5399] rt_sigprocmask(SIG_SETMASK, [], [pid 5398] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] <... rseq resumed>) = 0 [pid 5402] <... rseq resumed>) = 0 [pid 5399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] set_robust_list(0x7f7b617939a0, 24 [pid 5402] set_robust_list(0x7f7b617939a0, 24 [pid 5399] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] <... set_robust_list resumed>) = 0 [pid 5402] <... set_robust_list resumed>) = 0 [pid 5399] <... futex resumed>) = 0 [pid 5403] rt_sigprocmask(SIG_SETMASK, [], [pid 5402] rt_sigprocmask(SIG_SETMASK, [], [pid 5399] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5402] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5401] <... prctl resumed>) = 0 [pid 5398] <... futex resumed>) = 0 [pid 5403] <... bpf resumed>) = 3 [pid 5402] <... bpf resumed>) = 3 [pid 5393] +++ exited with 0 +++ [pid 5403] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] +++ exited with 0 +++ [pid 5399] <... futex resumed>) = 0 [pid 5403] <... futex resumed>) = 1 [pid 5402] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5402] <... futex resumed>) = 0 [pid 5401] setpgid(0, 0 [pid 5399] <... futex resumed>) = 0 [pid 5398] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5402] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] <... setpgid resumed>) = 0 [pid 5399] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5403] <... bpf resumed>) = 4 [pid 5401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5398] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5403] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... openat resumed>) = 3 [pid 5402] <... futex resumed>) = 0 [pid 5398] <... futex resumed>) = 1 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5402] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5401] write(3, "1000", 4 [pid 5398] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5403] <... futex resumed>) = 1 [pid 5399] <... futex resumed>) = 0 [pid 5403] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5399] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5399] <... futex resumed>) = 0 [pid 5403] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5399] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5404 attached [pid 5403] <... bpf resumed>) = 5 [pid 5402] <... bpf resumed>) = 4 [pid 5401] <... write resumed>) = 4 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5404 [pid 5401] close(3 [pid 5404] set_robust_list(0x55558a0856a0, 24./strace-static-x86_64: Process 5405 attached ) = 0 [pid 5403] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... close resumed>) = 0 [pid 5403] <... futex resumed>) = 1 [pid 5402] <... futex resumed>) = 1 [pid 5399] <... futex resumed>) = 0 [pid 5398] <... futex resumed>) = 0 [pid 5402] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5399] exit_group(0) = ? [pid 5398] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5398] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5405] set_robust_list(0x55558a0856a0, 24 [pid 5402] <... futex resumed>) = 0 [pid 5402] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 5405] <... set_robust_list resumed>) = 0 [pid 5404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5401] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5405 [pid 5404] <... prctl resumed>) = 0 [pid 5402] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] setpgid(0, 0 [pid 5402] <... futex resumed>) = 1 [pid 5398] <... futex resumed>) = 0 [pid 5404] <... setpgid resumed>) = 0 [pid 5402] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5398] exit_group(0 [pid 5404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5402] <... futex resumed>) = ? [pid 5398] <... exit_group resumed>) = ? [pid 5405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5404] <... openat resumed>) = 3 [pid 5401] <... futex resumed>) = 0 [pid 5401] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5405] <... prctl resumed>) = 0 [pid 5404] write(3, "1000", 4 [pid 5403] +++ exited with 0 +++ [pid 5402] +++ exited with 0 +++ [pid 5401] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5399] +++ exited with 0 +++ [pid 5398] +++ exited with 0 +++ [pid 5405] setpgid(0, 0 [pid 5404] <... write resumed>) = 4 [pid 5401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5398, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5405] <... setpgid resumed>) = 0 [pid 5404] close(3 [pid 5401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5404] <... close resumed>) = 0 [pid 5401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5405] <... openat resumed>) = 3 [pid 5404] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... mmap resumed>) = 0x7f7b61773000 [pid 5405] write(3, "1000", 4 [pid 5404] <... futex resumed>) = 0 [pid 5401] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5404] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5401] <... mprotect resumed>) = 0 [pid 5404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5405] <... write resumed>) = 4 [pid 5404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5405] close(3./strace-static-x86_64: Process 5406 attached ./strace-static-x86_64: Process 5407 attached ) = 0 [pid 5404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5406] set_robust_list(0x55558a0856a0, 24 [pid 5405] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... set_robust_list resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5406 [pid 5406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5404] <... mmap resumed>) = 0x7f7b61773000 [pid 5405] <... futex resumed>) = 0 [pid 5404] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5407 [pid 5407] set_robust_list(0x55558a0856a0, 24 [pid 5405] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5406] <... prctl resumed>) = 0 [pid 5406] setpgid(0, 0./strace-static-x86_64: Process 5408 attached ) = 0 [pid 5405] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5404] <... mprotect resumed>) = 0 [pid 5407] <... set_robust_list resumed>) = 0 [pid 5408] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5408] <... rseq resumed>) = 0 [pid 5406] <... openat resumed>) = 3 [pid 5408] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5404] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5404] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5401] <... clone3 resumed> => {parent_tid=[5408]}, 88) = 5408 [pid 5408] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... prctl resumed>) = 0 [pid 5406] write(3, "1000", 4 [pid 5405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5401] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] setpgid(0, 0 [pid 5406] <... write resumed>) = 4 [pid 5405] <... mmap resumed>) = 0x7f7b61773000 [pid 5406] close(3) = 0 [pid 5405] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5407] <... setpgid resumed>) = 0 [pid 5401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5406] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5406] <... futex resumed>) = 0 [pid 5401] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5409 attached [pid 5406] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5405] <... mprotect resumed>) = 0 [pid 5408] <... futex resumed>) = 0 [pid 5401] <... futex resumed>) = 1 [pid 5409] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5408] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5406] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5407] <... openat resumed>) = 3 [pid 5405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5401] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5404] <... clone3 resumed> => {parent_tid=[5409]}, 88) = 5409 [pid 5407] write(3, "1000", 4 [pid 5405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5404] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] <... write resumed>) = 4 [pid 5407] close(3 [pid 5405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5407] <... close resumed>) = 0 [pid 5404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5404] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... rseq resumed>) = 0 [pid 5408] <... bpf resumed>) = 3 [pid 5407] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5410 attached [pid 5409] set_robust_list(0x7f7b617939a0, 24 [pid 5408] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5409] <... set_robust_list resumed>) = 0 [pid 5408] <... futex resumed>) = 1 [pid 5406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5410] <... rseq resumed>) = 0 [pid 5409] rt_sigprocmask(SIG_SETMASK, [], [pid 5408] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... futex resumed>) = 0 [pid 5406] <... mmap resumed>) = 0x7f7b61773000 [pid 5405] <... clone3 resumed> => {parent_tid=[5410]}, 88) = 5410 [pid 5404] <... futex resumed>) = 0 [pid 5401] <... futex resumed>) = 0 [pid 5410] set_robust_list(0x7f7b617939a0, 24 [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5407] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5406] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5405] rt_sigprocmask(SIG_SETMASK, [], [pid 5404] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... set_robust_list resumed>) = 0 [pid 5409] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5408] <... futex resumed>) = 0 [pid 5407] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5406] <... mprotect resumed>) = 0 [pid 5405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5401] <... futex resumed>) = 1 [pid 5410] rt_sigprocmask(SIG_SETMASK, [], [pid 5409] <... bpf resumed>) = 3 [pid 5408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5406] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5401] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5409] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5406] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5405] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5409] <... futex resumed>) = 1 [pid 5408] <... bpf resumed>) = 4 [pid 5407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5405] <... futex resumed>) = 0 [pid 5404] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5411 attached [pid 5410] <... bpf resumed>) = 3 [pid 5409] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5408] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... mmap resumed>) = 0x7f7b61773000 [pid 5405] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5404] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5410] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5408] <... futex resumed>) = 1 [pid 5407] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5406] <... clone3 resumed> => {parent_tid=[5411]}, 88) = 5411 [pid 5405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] <... futex resumed>) = 0 [pid 5401] <... futex resumed>) = 0 [pid 5411] <... rseq resumed>) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5409] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5408] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... mprotect resumed>) = 0 [pid 5406] rt_sigprocmask(SIG_SETMASK, [], [pid 5405] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] set_robust_list(0x7f7b617939a0, 24 [pid 5410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5409] <... bpf resumed>) = 4 [pid 5408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5407] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5405] <... futex resumed>) = 0 [pid 5401] <... futex resumed>) = 0 [pid 5411] <... set_robust_list resumed>) = 0 [pid 5410] <... bpf resumed>) = 4 [pid 5409] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5407] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5406] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5411] rt_sigprocmask(SIG_SETMASK, [], [pid 5410] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... futex resumed>) = 1 [pid 5408] <... bpf resumed>) = 5 [pid 5407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5406] <... futex resumed>) = 0 [pid 5404] <... futex resumed>) = 0 [pid 5411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] <... futex resumed>) = 1 [pid 5409] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] <... futex resumed>) = 0 [pid 5404] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5412 attached [pid 5405] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... futex resumed>) = 0 [pid 5410] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5408] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5411] <... bpf resumed>) = 3 [pid 5410] <... bpf resumed>) = 5 [pid 5409] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5408] <... futex resumed>) = 1 [pid 5407] <... clone3 resumed> => {parent_tid=[5412]}, 88) = 5412 [pid 5405] <... futex resumed>) = 0 [pid 5404] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5401] <... futex resumed>) = 0 [pid 5412] <... rseq resumed>) = 0 [pid 5411] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... bpf resumed>) = 5 [pid 5408] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] rt_sigprocmask(SIG_SETMASK, [], [pid 5405] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5401] exit_group(0 [pid 5412] set_robust_list(0x7f7b617939a0, 24 [pid 5411] <... futex resumed>) = 1 [pid 5410] <... futex resumed>) = 0 [pid 5409] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = ? [pid 5407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5406] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5401] <... exit_group resumed>) = ? [pid 5412] <... set_robust_list resumed>) = 0 [pid 5411] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5410] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] <... futex resumed>) = 1 [pid 5408] +++ exited with 0 +++ [pid 5407] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] exit_group(0 [pid 5404] <... futex resumed>) = 0 [pid 5406] <... futex resumed>) = 0 [pid 5406] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] rt_sigprocmask(SIG_SETMASK, [], [pid 5411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5410] <... futex resumed>) = ? [pid 5409] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... futex resumed>) = 0 [pid 5405] <... exit_group resumed>) = ? [pid 5404] exit_group(0 [pid 5401] +++ exited with 0 +++ [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5411] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5410] +++ exited with 0 +++ [pid 5409] <... futex resumed>) = ? [pid 5407] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5404] <... exit_group resumed>) = ? [pid 5412] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5409] +++ exited with 0 +++ [pid 5412] <... bpf resumed>) = 3 [pid 5411] <... bpf resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5412] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5412] <... futex resumed>) = 1 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5412] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... futex resumed>) = 0 [pid 5411] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5411] <... futex resumed>) = 1 [pid 5406] <... futex resumed>) = 0 [pid 5406] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5406] <... futex resumed>) = 0 [pid 5406] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5407] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... futex resumed>) = 0 [pid 5407] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5413 attached [pid 5412] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5407] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5413 [pid 5413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5413] setpgid(0, 0) = 0 [pid 5412] <... bpf resumed>) = 4 [pid 5412] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5412] <... futex resumed>) = 1 [pid 5407] <... futex resumed>) = 0 [pid 5407] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5407] <... futex resumed>) = 0 [pid 5413] <... openat resumed>) = 3 [pid 5407] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5413] write(3, "1000", 4) = 4 [pid 5413] close(3) = 0 [pid 5413] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5413] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5405] +++ exited with 0 +++ [pid 5404] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5404, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5413] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5413] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5412] <... bpf resumed>) = 5 [pid 5411] <... bpf resumed>) = 5 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5413] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5412] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5412] <... futex resumed>) = 1 [pid 5407] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = 1 [pid 5407] exit_group(0 [pid 5411] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... exit_group resumed>) = ? [pid 5406] <... futex resumed>) = 0 [pid 5406] exit_group(0 [pid 5411] <... futex resumed>) = ? [pid 5406] <... exit_group resumed>) = ? [pid 5411] +++ exited with 0 +++ ./strace-static-x86_64: Process 5415 attached ./strace-static-x86_64: Process 5414 attached [pid 5415] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5414] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5413] <... clone3 resumed> => {parent_tid=[5414]}, 88) = 5414 ./strace-static-x86_64: Process 5416 attached [pid 5414] <... rseq resumed>) = 0 [pid 5413] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5416 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5415 [pid 5416] set_robust_list(0x55558a0856a0, 24 [pid 5414] set_robust_list(0x7f7b617939a0, 24 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5416] <... set_robust_list resumed>) = 0 [pid 5414] <... set_robust_list resumed>) = 0 [pid 5413] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... prctl resumed>) = 0 [pid 5414] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] <... futex resumed>) = 0 [pid 5415] setpgid(0, 0 [pid 5414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5415] <... setpgid resumed>) = 0 [pid 5414] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5416] <... prctl resumed>) = 0 [pid 5415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5416] setpgid(0, 0 [pid 5414] <... bpf resumed>) = 3 [pid 5416] <... setpgid resumed>) = 0 [pid 5414] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5415] <... openat resumed>) = 3 [pid 5413] <... futex resumed>) = 0 [pid 5414] <... futex resumed>) = 1 [pid 5415] write(3, "1000", 4 [pid 5413] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... write resumed>) = 4 [pid 5414] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5413] <... futex resumed>) = 0 [pid 5416] <... openat resumed>) = 3 [pid 5415] close(3 [pid 5413] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] <... close resumed>) = 0 [pid 5415] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5415] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5414] <... bpf resumed>) = 4 [pid 5415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5415] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5416] write(3, "1000", 4 [pid 5414] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] <... write resumed>) = 4 [pid 5415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5416] close(3 [pid 5415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5414] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5416] <... close resumed>) = 0 [pid 5414] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5413] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5416] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5417 attached [pid 5417] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5416] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5415] <... clone3 resumed> => {parent_tid=[5417]}, 88) = 5417 [pid 5413] <... futex resumed>) = 0 [pid 5416] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5415] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5417] <... rseq resumed>) = 0 [pid 5417] set_robust_list(0x7f7b617939a0, 24 [pid 5416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5417] <... set_robust_list resumed>) = 0 [pid 5416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5415] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] rt_sigprocmask(SIG_SETMASK, [], [pid 5416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5415] <... futex resumed>) = 0 [pid 5417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5416] <... mmap resumed>) = 0x7f7b61773000 [pid 5412] +++ exited with 0 +++ [pid 5415] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] +++ exited with 0 +++ [pid 5406] +++ exited with 0 +++ [pid 5417] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5416] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5417] <... bpf resumed>) = 3 [pid 5416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5417] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5417] <... futex resumed>) = 1 [pid 5416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5415] <... futex resumed>) = 0 [pid 5417] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5415] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5415] <... futex resumed>) = 0 [pid 5417] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5415] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5420 attached ./strace-static-x86_64: Process 5418 attached [pid 5417] <... bpf resumed>) = 4 [pid 5416] <... clone3 resumed> => {parent_tid=[5418]}, 88) = 5418 [pid 5420] set_robust_list(0x55558a0856a0, 24 [pid 5418] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5416] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] <... rseq resumed>) = 0 [pid 5418] set_robust_list(0x7f7b617939a0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5420 [pid 5418] <... set_robust_list resumed>) = 0 [pid 5418] rt_sigprocmask(SIG_SETMASK, [], [pid 5420] <... set_robust_list resumed>) = 0 [pid 5420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5416] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5419 attached [pid 5420] <... prctl resumed>) = 0 [pid 5418] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5416] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5419 [pid 5419] set_robust_list(0x55558a0856a0, 24 [pid 5420] setpgid(0, 0 [pid 5418] <... bpf resumed>) = 3 [pid 5417] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] <... set_robust_list resumed>) = 0 [pid 5420] <... setpgid resumed>) = 0 [pid 5418] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... futex resumed>) = 1 [pid 5415] <... futex resumed>) = 0 [pid 5419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5418] <... futex resumed>) = 1 [pid 5417] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5416] <... futex resumed>) = 0 [pid 5415] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] <... prctl resumed>) = 0 [pid 5420] <... openat resumed>) = 3 [pid 5418] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5416] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... futex resumed>) = 0 [pid 5419] setpgid(0, 0 [pid 5418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5417] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5416] <... futex resumed>) = 0 [pid 5415] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5419] <... setpgid resumed>) = 0 [pid 5420] write(3, "1000", 4 [pid 5418] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5416] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] <... bpf resumed>) = 5 [pid 5419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5420] <... write resumed>) = 4 [pid 5418] <... bpf resumed>) = 4 [pid 5417] <... bpf resumed>) = 5 [pid 5420] close(3 [pid 5414] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... futex resumed>) = 0 [pid 5420] <... close resumed>) = 0 [pid 5420] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5420] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5417] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5418] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... futex resumed>) = 1 [pid 5415] <... futex resumed>) = 0 [pid 5419] <... openat resumed>) = 3 [pid 5420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5418] <... futex resumed>) = 1 [pid 5417] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5416] <... futex resumed>) = 0 [pid 5415] exit_group(0 [pid 5414] <... futex resumed>) = 1 [pid 5413] exit_group(0 [pid 5420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5418] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] <... futex resumed>) = ? [pid 5415] <... exit_group resumed>) = ? [pid 5419] write(3, "1000", 4 [pid 5420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5417] +++ exited with 0 +++ [pid 5416] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... exit_group resumed>) = ? [pid 5419] <... write resumed>) = 4 [pid 5420] <... mmap resumed>) = 0x7f7b61773000 [pid 5418] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5416] <... futex resumed>) = 0 [pid 5415] +++ exited with 0 +++ [pid 5414] +++ exited with 0 +++ [pid 5419] close(3 [pid 5416] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5419] <... close resumed>) = 0 [pid 5419] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5418] <... bpf resumed>) = 5 [pid 5420] <... mprotect resumed>) = 0 [pid 5420] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5418] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] <... futex resumed>) = 0 [pid 5420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5418] <... futex resumed>) = 1 [pid 5416] <... futex resumed>) = 0 [pid 5419] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5418] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5421 attached [pid 5420] <... clone3 resumed> => {parent_tid=[5421]}, 88) = 5421 [pid 5416] exit_group(0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5421] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5420] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] <... futex resumed>) = ? [pid 5416] <... exit_group resumed>) = ? [pid 5421] <... rseq resumed>) = 0 [pid 5420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5418] +++ exited with 0 +++ [pid 5421] set_robust_list(0x7f7b617939a0, 24 [pid 5420] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] <... set_robust_list resumed>) = 0 [pid 5420] <... futex resumed>) = 0 [pid 5421] rt_sigprocmask(SIG_SETMASK, [], [pid 5420] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5421] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5421] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... futex resumed>) = 0 [pid 5421] <... futex resumed>) = 1 [pid 5420] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5419] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5420] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5422 attached [pid 5419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5421] <... bpf resumed>) = 4 [pid 5420] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5422 [pid 5422] set_robust_list(0x55558a0856a0, 24 [pid 5419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5422] <... set_robust_list resumed>) = 0 [pid 5421] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5421] <... futex resumed>) = 1 [pid 5419] <... mmap resumed>) = 0x7f7b61773000 [pid 5420] <... futex resumed>) = 0 [pid 5421] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5420] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... prctl resumed>) = 0 [pid 5421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5421] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5419] <... mprotect resumed>) = 0 [pid 5420] <... futex resumed>) = 0 [pid 5422] setpgid(0, 0 [pid 5420] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5422] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5423 attached [pid 5423] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5423] set_robust_list(0x7f7b617939a0, 24 [pid 5422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5419] <... clone3 resumed> => {parent_tid=[5423]}, 88) = 5423 [pid 5423] <... set_robust_list resumed>) = 0 [pid 5423] rt_sigprocmask(SIG_SETMASK, [], [pid 5422] <... openat resumed>) = 3 [pid 5419] rt_sigprocmask(SIG_SETMASK, [], [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5422] write(3, "1000", 4 [pid 5419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5423] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5422] <... write resumed>) = 4 [pid 5419] <... futex resumed>) = 0 [pid 5423] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5422] close(3 [pid 5419] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5423] <... bpf resumed>) = 3 [pid 5422] <... close resumed>) = 0 [pid 5423] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5422] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] <... futex resumed>) = 0 [pid 5423] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5422] <... futex resumed>) = 0 [pid 5419] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5419] <... futex resumed>) = 0 [pid 5423] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5422] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5419] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5416] +++ exited with 0 +++ [pid 5413] +++ exited with 0 +++ [pid 5422] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5423] <... bpf resumed>) = 4 [pid 5422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5423] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5423] <... futex resumed>) = 1 [pid 5422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5421] <... bpf resumed>) = 5 [pid 5419] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5423] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5422] <... mmap resumed>) = 0x7f7b61773000 [pid 5419] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5419] <... futex resumed>) = 0 [pid 5419] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5422] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5425 attached [pid 5423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5421] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] set_robust_list(0x55558a0856a0, 24 [pid 5423] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5421] <... futex resumed>) = 1 [pid 5420] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5424 attached [pid 5425] <... set_robust_list resumed>) = 0 [pid 5423] <... bpf resumed>) = 5 [pid 5422] <... mprotect resumed>) = 0 [pid 5421] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5420] exit_group(0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5425 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5424 [pid 5425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5424] set_robust_list(0x55558a0856a0, 24 [pid 5423] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5421] <... futex resumed>) = ? [pid 5420] <... exit_group resumed>) = ? [pid 5425] <... prctl resumed>) = 0 [pid 5424] <... set_robust_list resumed>) = 0 [pid 5423] <... futex resumed>) = 1 [pid 5422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5421] +++ exited with 0 +++ [pid 5419] <... futex resumed>) = 0 [pid 5424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5424] <... prctl resumed>) = 0 [pid 5419] exit_group(0./strace-static-x86_64: Process 5426 attached [pid 5425] setpgid(0, 0 [pid 5424] setpgid(0, 0 [pid 5422] <... clone3 resumed> => {parent_tid=[5426]}, 88) = 5426 [pid 5419] <... exit_group resumed>) = ? [pid 5426] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5425] <... setpgid resumed>) = 0 [pid 5424] <... setpgid resumed>) = 0 [pid 5423] +++ exited with 0 +++ [pid 5422] rt_sigprocmask(SIG_SETMASK, [], [pid 5426] <... rseq resumed>) = 0 [pid 5425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5426] set_robust_list(0x7f7b617939a0, 24 [pid 5425] <... openat resumed>) = 3 [pid 5424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5426] <... set_robust_list resumed>) = 0 [pid 5425] write(3, "1000", 4 [pid 5422] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] rt_sigprocmask(SIG_SETMASK, [], [pid 5425] <... write resumed>) = 4 [pid 5426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5425] close(3 [pid 5422] <... futex resumed>) = 0 [pid 5426] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5425] <... close resumed>) = 0 [pid 5424] <... openat resumed>) = 3 [pid 5426] <... bpf resumed>) = 3 [pid 5425] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5426] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5426] <... futex resumed>) = 0 [pid 5425] <... futex resumed>) = 0 [pid 5424] write(3, "1000", 4 [pid 5422] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5425] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5424] <... write resumed>) = 4 [pid 5422] <... futex resumed>) = 0 [pid 5425] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5424] close(3 [pid 5425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5424] <... close resumed>) = 0 [pid 5422] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5426] <... bpf resumed>) = 4 [pid 5425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5426] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5424] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5426] <... futex resumed>) = 1 [pid 5424] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5422] <... futex resumed>) = 0 [pid 5426] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... mmap resumed>) = 0x7f7b61773000 [pid 5424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5422] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5422] <... futex resumed>) = 0 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5426] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5425] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5422] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5424] <... mmap resumed>) = 0x7f7b61773000 [pid 5425] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5424] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5425] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5424] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5427 attached [pid 5425] <... clone3 resumed> => {parent_tid=[5427]}, 88) = 5427 [pid 5424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5420] +++ exited with 0 +++ [pid 5427] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5419] +++ exited with 0 +++ [pid 5427] <... rseq resumed>) = 0 [pid 5425] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5427] set_robust_list(0x7f7b617939a0, 24 [pid 5425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5427] <... set_robust_list resumed>) = 0 [pid 5425] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5427] rt_sigprocmask(SIG_SETMASK, [], [pid 5425] <... futex resumed>) = 0 [pid 5424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5425] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5427] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5428 attached [pid 5427] <... bpf resumed>) = 3 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5428] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5427] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] set_robust_list(0x7f7b617939a0, 24 [pid 5427] <... futex resumed>) = 1 [pid 5425] <... futex resumed>) = 0 [pid 5428] <... set_robust_list resumed>) = 0 [pid 5427] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5425] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5429 attached [pid 5428] rt_sigprocmask(SIG_SETMASK, [], [pid 5427] <... bpf resumed>) = 4 [pid 5425] <... futex resumed>) = 0 [pid 5424] <... clone3 resumed> => {parent_tid=[5428]}, 88) = 5428 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5425] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5430 attached [pid 5429] set_robust_list(0x55558a0856a0, 24 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5429 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5430 [pid 5430] set_robust_list(0x55558a0856a0, 24 [pid 5429] <... set_robust_list resumed>) = 0 [pid 5427] <... futex resumed>) = 1 [pid 5425] <... futex resumed>) = 0 [pid 5424] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] <... set_robust_list resumed>) = 0 [pid 5428] <... futex resumed>) = 0 [pid 5424] <... futex resumed>) = 1 [pid 5430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5428] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5427] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5425] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] <... prctl resumed>) = 0 [pid 5429] <... prctl resumed>) = 0 [pid 5428] <... bpf resumed>) = 3 [pid 5425] <... futex resumed>) = 0 [pid 5428] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5430] setpgid(0, 0 [pid 5429] setpgid(0, 0 [pid 5428] <... futex resumed>) = 1 [pid 5424] <... futex resumed>) = 0 [pid 5430] <... setpgid resumed>) = 0 [pid 5429] <... setpgid resumed>) = 0 [pid 5428] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] <... futex resumed>) = 0 [pid 5430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5428] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5424] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] <... openat resumed>) = 3 [pid 5429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5426] <... bpf resumed>) = 5 [pid 5430] write(3, "1000", 4 [pid 5429] <... openat resumed>) = 3 [pid 5428] <... bpf resumed>) = 4 [pid 5427] <... bpf resumed>) = 5 [pid 5426] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] <... write resumed>) = 4 [pid 5428] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] close(3 [pid 5429] write(3, "1000", 4 [pid 5427] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... futex resumed>) = 1 [pid 5422] <... futex resumed>) = 0 [pid 5430] <... close resumed>) = 0 [pid 5429] <... write resumed>) = 4 [pid 5428] <... futex resumed>) = 1 [pid 5427] <... futex resumed>) = 1 [pid 5426] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... futex resumed>) = 0 [pid 5424] <... futex resumed>) = 0 [pid 5422] exit_group(0 [pid 5430] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] close(3 [pid 5428] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5426] <... futex resumed>) = ? [pid 5425] exit_group(0 [pid 5424] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... exit_group resumed>) = ? [pid 5430] <... futex resumed>) = 0 [pid 5429] <... close resumed>) = 0 [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5427] <... futex resumed>) = ? [pid 5425] <... exit_group resumed>) = ? [pid 5424] <... futex resumed>) = 0 [pid 5429] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5427] +++ exited with 0 +++ [pid 5424] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5429] <... futex resumed>) = 0 [pid 5428] <... bpf resumed>) = 5 [pid 5429] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5428] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5428] <... futex resumed>) = 1 [pid 5424] <... futex resumed>) = 0 [pid 5430] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] +++ exited with 0 +++ [pid 5424] exit_group(0 [pid 5429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5428] <... futex resumed>) = ? [pid 5424] <... exit_group resumed>) = ? [pid 5430] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5429] <... mmap resumed>) = 0x7f7b61773000 [pid 5428] +++ exited with 0 +++ [pid 5430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5429] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5425, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5429] <... mprotect resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5429] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5430] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5429] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5430] <... mprotect resumed>) = 0 [pid 5429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5430] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5431 attached [pid 5429] <... clone3 resumed> => {parent_tid=[5431]}, 88) = 5431 [pid 5431] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5429] rt_sigprocmask(SIG_SETMASK, [], [pid 5431] <... rseq resumed>) = 0 [pid 5429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5431] set_robust_list(0x7f7b617939a0, 24 [pid 5429] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5433 attached [pid 5431] <... set_robust_list resumed>) = 0 [pid 5429] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5432 attached [pid 5433] set_robust_list(0x55558a0856a0, 24 [pid 5431] rt_sigprocmask(SIG_SETMASK, [], [pid 5430] <... clone3 resumed> => {parent_tid=[5432]}, 88) = 5432 [pid 5429] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] <... set_robust_list resumed>) = 0 [pid 5431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5431] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5433] <... prctl resumed>) = 0 [pid 5432] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5431] <... bpf resumed>) = 3 [pid 5430] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5433 [pid 5433] setpgid(0, 0 [pid 5432] <... rseq resumed>) = 0 [pid 5431] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5432] set_robust_list(0x7f7b617939a0, 24 [pid 5433] <... setpgid resumed>) = 0 [pid 5431] <... futex resumed>) = 1 [pid 5430] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... set_robust_list resumed>) = 0 [pid 5430] <... futex resumed>) = 0 [pid 5432] rt_sigprocmask(SIG_SETMASK, [], [pid 5430] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5431] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5429] <... futex resumed>) = 0 [pid 5432] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5429] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... futex resumed>) = 0 [pid 5429] <... futex resumed>) = 1 [pid 5431] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5429] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5432] <... bpf resumed>) = 3 [pid 5431] <... bpf resumed>) = 4 [pid 5433] <... openat resumed>) = 3 [pid 5431] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] write(3, "1000", 4 [pid 5431] <... futex resumed>) = 1 [pid 5429] <... futex resumed>) = 0 [pid 5432] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5429] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... write resumed>) = 4 [pid 5433] close(3 [pid 5432] <... futex resumed>) = 1 [pid 5430] <... futex resumed>) = 0 [pid 5429] <... futex resumed>) = 0 [pid 5433] <... close resumed>) = 0 [pid 5432] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5430] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5433] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5430] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5432] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5430] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5432] <... bpf resumed>) = 4 [pid 5426] +++ exited with 0 +++ [pid 5424] +++ exited with 0 +++ [pid 5422] +++ exited with 0 +++ [pid 5432] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5432] <... futex resumed>) = 1 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5433] <... mmap resumed>) = 0x7f7b61773000 [pid 5432] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5430] <... futex resumed>) = 0 [pid 5433] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5430] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5433] <... mprotect resumed>) = 0 [pid 5431] <... bpf resumed>) = 5 [pid 5432] <... futex resumed>) = 0 [pid 5430] <... futex resumed>) = 1 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5432] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5431] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5432] <... bpf resumed>) = 5 [pid 5431] <... futex resumed>) = 1 [pid 5429] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5434 attached [pid 5433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5434] set_robust_list(0x55558a0856a0, 24 [pid 5433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5436 attached ./strace-static-x86_64: Process 5435 attached [pid 5434] <... set_robust_list resumed>) = 0 [pid 5433] <... clone3 resumed> => {parent_tid=[5436]}, 88) = 5436 [pid 5432] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5429] exit_group(0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5434 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5435 [pid 5436] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5435] set_robust_list(0x55558a0856a0, 24 [pid 5434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5433] rt_sigprocmask(SIG_SETMASK, [], [pid 5432] <... futex resumed>) = 1 [pid 5430] <... futex resumed>) = 0 [pid 5436] <... rseq resumed>) = 0 [pid 5435] <... set_robust_list resumed>) = 0 [pid 5434] <... prctl resumed>) = 0 [pid 5433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5436] set_robust_list(0x7f7b617939a0, 24 [pid 5430] exit_group(0 [pid 5436] <... set_robust_list resumed>) = 0 [pid 5434] setpgid(0, 0 [pid 5430] <... exit_group resumed>) = ? [pid 5436] rt_sigprocmask(SIG_SETMASK, [], [pid 5433] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5436] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5433] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] <... futex resumed>) = ? [pid 5429] <... exit_group resumed>) = ? [pid 5435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5434] <... setpgid resumed>) = 0 [pid 5431] +++ exited with 0 +++ [pid 5429] +++ exited with 0 +++ [pid 5436] <... bpf resumed>) = 3 [pid 5435] <... prctl resumed>) = 0 [pid 5436] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] setpgid(0, 0 [pid 5434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5432] +++ exited with 0 +++ [pid 5430] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5436] <... futex resumed>) = 1 [pid 5435] <... setpgid resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5436] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5433] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5433] <... futex resumed>) = 0 [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5434] <... openat resumed>) = 3 [pid 5433] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5434] write(3, "1000", 4 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5434] <... write resumed>) = 4 [pid 5434] close(3) = 0 [pid 5434] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5437 attached [pid 5436] <... bpf resumed>) = 4 [pid 5435] <... openat resumed>) = 3 [pid 5435] write(3, "1000", 4 [pid 5434] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5437 [pid 5437] set_robust_list(0x55558a0856a0, 24 [pid 5436] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... write resumed>) = 4 [pid 5434] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5436] <... futex resumed>) = 1 [pid 5435] close(3 [pid 5434] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5435] <... close resumed>) = 0 [pid 5434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5433] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5435] <... futex resumed>) = 0 [pid 5434] <... mmap resumed>) = 0x7f7b61773000 [pid 5435] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 ./strace-static-x86_64: Process 5438 attached [pid 5437] <... set_robust_list resumed>) = 0 [pid 5436] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5434] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5433] <... futex resumed>) = 0 [pid 5438] set_robust_list(0x55558a0856a0, 24 [pid 5433] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5438] <... set_robust_list resumed>) = 0 [pid 5437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5436] <... bpf resumed>) = 5 [pid 5435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5434] <... mprotect resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5438 [pid 5438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5438] <... prctl resumed>) = 0 [pid 5437] <... prctl resumed>) = 0 [pid 5436] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5434] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5438] setpgid(0, 0 [pid 5437] setpgid(0, 0 [pid 5436] <... futex resumed>) = 1 [pid 5433] <... futex resumed>) = 0 [pid 5438] <... setpgid resumed>) = 0 [pid 5437] <... setpgid resumed>) = 0 [pid 5436] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] <... mmap resumed>) = 0x7f7b61773000 [pid 5434] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5433] exit_group(0 [pid 5438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5436] <... futex resumed>) = ? [pid 5435] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5433] <... exit_group resumed>) = ? [pid 5435] <... mprotect resumed>) = 0 [pid 5436] +++ exited with 0 +++ [pid 5435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5437] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5439 attached [pid 5438] <... openat resumed>) = 3 [pid 5437] write(3, "1000", 4 [pid 5435] <... clone3 resumed> => {parent_tid=[5439]}, 88) = 5439 [pid 5437] <... write resumed>) = 4 [pid 5434] <... clone3 resumed> => {parent_tid=[5440]}, 88) = 5440 [pid 5438] write(3, "1000", 4 [pid 5434] rt_sigprocmask(SIG_SETMASK, [], [pid 5438] <... write resumed>) = 4 [pid 5438] close(3./strace-static-x86_64: Process 5440 attached [pid 5439] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5438] <... close resumed>) = 0 [pid 5435] rt_sigprocmask(SIG_SETMASK, [], [pid 5440] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5439] <... rseq resumed>) = 0 [pid 5437] close(3 [pid 5435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5440] <... rseq resumed>) = 0 [pid 5439] set_robust_list(0x7f7b617939a0, 24 [pid 5438] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] <... close resumed>) = 0 [pid 5435] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] +++ exited with 0 +++ [pid 5440] set_robust_list(0x7f7b617939a0, 24 [pid 5439] <... set_robust_list resumed>) = 0 [pid 5438] <... futex resumed>) = 0 [pid 5437] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... futex resumed>) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5440] <... set_robust_list resumed>) = 0 [pid 5439] rt_sigprocmask(SIG_SETMASK, [], [pid 5438] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5437] <... futex resumed>) = 0 [pid 5435] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5434] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] rt_sigprocmask(SIG_SETMASK, [], [pid 5439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5439] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5437] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5438] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5440] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5439] <... bpf resumed>) = 3 [pid 5438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5437] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5440] <... bpf resumed>) = 3 [pid 5439] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5440] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] <... futex resumed>) = 1 [pid 5435] <... futex resumed>) = 0 [pid 5440] <... futex resumed>) = 1 [pid 5439] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... futex resumed>) = 0 [pid 5438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5440] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5435] <... futex resumed>) = 0 [pid 5434] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5438] <... mmap resumed>) = 0x7f7b61773000 [pid 5437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5435] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5441 attached [pid 5440] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5439] <... bpf resumed>) = 4 [pid 5438] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5437] <... mmap resumed>) = 0x7f7b61773000 [pid 5434] <... futex resumed>) = 0 [pid 5441] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5439] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... mprotect resumed>) = 0 [pid 5437] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5434] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5441 [pid 5441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5440] <... bpf resumed>) = 4 [pid 5439] <... futex resumed>) = 1 [pid 5438] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5437] <... mprotect resumed>) = 0 [pid 5435] <... futex resumed>) = 0 [pid 5441] <... prctl resumed>) = 0 [pid 5440] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5438] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5435] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] setpgid(0, 0 [pid 5440] <... futex resumed>) = 1 [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5435] <... futex resumed>) = 0 [pid 5434] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5442 attached [pid 5441] <... setpgid resumed>) = 0 [pid 5440] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5435] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5434] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5434] <... futex resumed>) = 0 [pid 5442] <... rseq resumed>) = 0 [pid 5440] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 5443 attached [pid 5442] set_robust_list(0x7f7b617939a0, 24 [pid 5434] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5443] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5442] <... set_robust_list resumed>) = 0 [pid 5441] <... openat resumed>) = 3 [pid 5440] <... bpf resumed>) = 5 [pid 5439] <... bpf resumed>) = 5 [pid 5438] <... clone3 resumed> => {parent_tid=[5442]}, 88) = 5442 [pid 5437] <... clone3 resumed> => {parent_tid=[5443]}, 88) = 5443 [pid 5443] <... rseq resumed>) = 0 [pid 5442] rt_sigprocmask(SIG_SETMASK, [], [pid 5441] write(3, "1000", 4) = 4 [pid 5438] rt_sigprocmask(SIG_SETMASK, [], [pid 5441] close(3 [pid 5443] set_robust_list(0x7f7b617939a0, 24 [pid 5442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5441] <... close resumed>) = 0 [pid 5440] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] rt_sigprocmask(SIG_SETMASK, [], [pid 5443] <... set_robust_list resumed>) = 0 [pid 5442] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] <... futex resumed>) = 1 [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5443] rt_sigprocmask(SIG_SETMASK, [], [pid 5442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5441] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] <... futex resumed>) = 1 [pid 5438] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... futex resumed>) = 0 [pid 5434] exit_group(0 [pid 5443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5442] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5441] <... futex resumed>) = 0 [pid 5440] <... futex resumed>) = ? [pid 5439] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5438] <... futex resumed>) = 0 [pid 5437] <... futex resumed>) = 0 [pid 5435] exit_group(0 [pid 5434] <... exit_group resumed>) = ? [pid 5443] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5442] <... bpf resumed>) = 3 [pid 5441] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5440] +++ exited with 0 +++ [pid 5439] <... futex resumed>) = ? [pid 5438] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] <... exit_group resumed>) = ? [pid 5443] <... bpf resumed>) = 3 [pid 5442] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5439] +++ exited with 0 +++ [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5443] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... futex resumed>) = 0 [pid 5443] <... futex resumed>) = 1 [pid 5442] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] <... futex resumed>) = 0 [pid 5443] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] <... futex resumed>) = 0 [pid 5443] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5437] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] <... bpf resumed>) = 4 [pid 5443] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5438] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... futex resumed>) = 0 [pid 5442] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5438] <... futex resumed>) = 1 [pid 5443] <... futex resumed>) = 1 [pid 5441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] <... futex resumed>) = 0 [pid 5437] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5438] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] <... futex resumed>) = 0 [pid 5437] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5441] <... mmap resumed>) = 0x7f7b61773000 [pid 5442] <... bpf resumed>) = 4 [pid 5442] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... futex resumed>) = 0 [pid 5442] <... futex resumed>) = 1 [pid 5441] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5438] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5438] <... futex resumed>) = 0 [pid 5438] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5441] <... mprotect resumed>) = 0 [pid 5441] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5435] +++ exited with 0 +++ [pid 5434] +++ exited with 0 +++ ./strace-static-x86_64: Process 5444 attached [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5441] <... clone3 resumed> => {parent_tid=[5444]}, 88) = 5444 [pid 5444] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5441] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5444] <... rseq resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5444] set_robust_list(0x7f7b617939a0, 24 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5441] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5441] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5446 attached ./strace-static-x86_64: Process 5445 attached [pid 5444] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5445 [pid 5446] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5445] set_robust_list(0x55558a0856a0, 24 [pid 5444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5446 [pid 5446] <... prctl resumed>) = 0 [pid 5446] setpgid(0, 0) = 0 [pid 5445] <... set_robust_list resumed>) = 0 [pid 5444] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5443] <... bpf resumed>) = 5 [pid 5442] <... bpf resumed>) = 5 [pid 5446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5444] <... bpf resumed>) = 3 [pid 5443] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] <... openat resumed>) = 3 [pid 5445] <... prctl resumed>) = 0 [pid 5444] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = 1 [pid 5442] <... futex resumed>) = 1 [pid 5437] <... futex resumed>) = 0 [pid 5438] <... futex resumed>) = 0 [pid 5446] write(3, "1000", 4 [pid 5445] setpgid(0, 0 [pid 5444] <... futex resumed>) = 1 [pid 5443] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5442] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] <... futex resumed>) = 0 [pid 5437] exit_group(0 [pid 5446] <... write resumed>) = 4 [pid 5445] <... setpgid resumed>) = 0 [pid 5444] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] exit_group(0 [pid 5443] <... futex resumed>) = ? [pid 5437] <... exit_group resumed>) = ? [pid 5446] close(3 [pid 5445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5443] +++ exited with 0 +++ [pid 5441] <... futex resumed>) = 0 [pid 5445] <... openat resumed>) = 3 [pid 5444] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5441] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5446] <... close resumed>) = 0 [pid 5442] <... futex resumed>) = ? [pid 5438] <... exit_group resumed>) = ? [pid 5446] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] write(3, "1000", 4 [pid 5444] <... bpf resumed>) = 4 [pid 5445] <... write resumed>) = 4 [pid 5445] close(3) = 0 [pid 5445] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5445] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5445] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5444] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] <... futex resumed>) = 0 [pid 5445] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5446] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5444] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 [pid 5446] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5445] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5444] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5441] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5441] <... futex resumed>) = 0 [pid 5446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5441] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5447 attached [pid 5446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5447] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5446] <... mmap resumed>) = 0x7f7b61773000 [pid 5447] <... rseq resumed>) = 0 [pid 5446] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5447] set_robust_list(0x7f7b617939a0, 24 [pid 5446] <... mprotect resumed>) = 0 [pid 5445] <... clone3 resumed> => {parent_tid=[5447]}, 88) = 5447 [pid 5447] <... set_robust_list resumed>) = 0 [pid 5446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5445] rt_sigprocmask(SIG_SETMASK, [], [pid 5447] rt_sigprocmask(SIG_SETMASK, [], [pid 5446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5445] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5448 attached [pid 5447] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5445] <... futex resumed>) = 0 [pid 5447] <... bpf resumed>) = 3 [pid 5446] <... clone3 resumed> => {parent_tid=[5448]}, 88) = 5448 [pid 5448] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5447] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] rt_sigprocmask(SIG_SETMASK, [], [pid 5445] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] <... rseq resumed>) = 0 [pid 5447] <... futex resumed>) = 0 [pid 5446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5447] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5448] set_robust_list(0x7f7b617939a0, 24 [pid 5446] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5445] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] <... set_robust_list resumed>) = 0 [pid 5447] <... futex resumed>) = 0 [pid 5445] <... futex resumed>) = 1 [pid 5442] +++ exited with 0 +++ [pid 5438] +++ exited with 0 +++ [pid 5437] +++ exited with 0 +++ [pid 5448] rt_sigprocmask(SIG_SETMASK, [], [pid 5447] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5445] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5447] <... bpf resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5448] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5447] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5448] <... bpf resumed>) = 3 [pid 5447] <... futex resumed>) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5449 attached [pid 5448] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5445] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5450 attached [pid 5449] set_robust_list(0x55558a0856a0, 24 [pid 5448] <... futex resumed>) = 1 [pid 5446] <... futex resumed>) = 0 [pid 5445] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5450 [pid 5450] set_robust_list(0x55558a0856a0, 24 [pid 5449] <... set_robust_list resumed>) = 0 [pid 5448] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5449 [pid 5450] <... set_robust_list resumed>) = 0 [pid 5450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5446] <... futex resumed>) = 0 [pid 5450] <... prctl resumed>) = 0 [pid 5449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5446] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] setpgid(0, 0 [pid 5449] <... prctl resumed>) = 0 [pid 5448] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5450] <... setpgid resumed>) = 0 [pid 5449] setpgid(0, 0 [pid 5450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5449] <... setpgid resumed>) = 0 [pid 5450] <... openat resumed>) = 3 [pid 5449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5448] <... bpf resumed>) = 4 [pid 5448] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] write(3, "1000", 4 [pid 5449] <... openat resumed>) = 3 [pid 5448] <... futex resumed>) = 1 [pid 5447] <... bpf resumed>) = 5 [pid 5446] <... futex resumed>) = 0 [pid 5444] <... bpf resumed>) = 5 [pid 5450] <... write resumed>) = 4 [pid 5449] write(3, "1000", 4 [pid 5448] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5447] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5444] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 [pid 5444] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] exit_group(0 [pid 5444] <... futex resumed>) = ? [pid 5441] <... exit_group resumed>) = ? [pid 5450] close(3) = 0 [pid 5449] <... write resumed>) = 4 [pid 5448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5447] <... futex resumed>) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5444] +++ exited with 0 +++ [pid 5450] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] close(3 [pid 5448] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5447] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] exit_group(0 [pid 5450] <... futex resumed>) = 0 [pid 5449] <... close resumed>) = 0 [pid 5447] <... futex resumed>) = ? [pid 5445] <... exit_group resumed>) = ? [pid 5447] +++ exited with 0 +++ [pid 5450] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5449] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5449] <... futex resumed>) = 0 [pid 5450] <... mmap resumed>) = 0x7f7b61773000 [pid 5449] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5448] <... bpf resumed>) = 5 [pid 5441] +++ exited with 0 +++ [pid 5449] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5450] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5448] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5441, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5450] <... mprotect resumed>) = 0 [pid 5449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] <... futex resumed>) = 1 [pid 5446] <... futex resumed>) = 0 [pid 5449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5448] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] exit_group(0 [pid 5449] <... mmap resumed>) = 0x7f7b61773000 [pid 5446] <... exit_group resumed>) = ? [pid 5450] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5449] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5449] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5450] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5449] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5448] <... futex resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5445] +++ exited with 0 +++ ./strace-static-x86_64: Process 5451 attached ./strace-static-x86_64: Process 5452 attached [pid 5451] set_robust_list(0x55558a0856a0, 24 [pid 5450] <... clone3 resumed> => {parent_tid=[5452]}, 88) = 5452 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5451 [pid 5452] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5450] rt_sigprocmask(SIG_SETMASK, [], [pid 5449] <... clone3 resumed> => {parent_tid=[5453]}, 88) = 5453 [pid 5452] <... rseq resumed>) = 0 [pid 5450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5449] rt_sigprocmask(SIG_SETMASK, [], [pid 5452] set_robust_list(0x7f7b617939a0, 24 [pid 5450] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... set_robust_list resumed>) = 0 [pid 5450] <... futex resumed>) = 0 [pid 5449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5452] rt_sigprocmask(SIG_SETMASK, [], [pid 5450] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5449] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5453 attached [pid 5452] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5451] <... set_robust_list resumed>) = 0 [pid 5449] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5453] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5452] <... bpf resumed>) = 3 [pid 5451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5448] +++ exited with 0 +++ [pid 5446] +++ exited with 0 +++ [pid 5453] <... rseq resumed>) = 0 [pid 5452] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5450] <... futex resumed>) = 0 [pid 5452] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... prctl resumed>) = 0 [pid 5450] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5453] rt_sigprocmask(SIG_SETMASK, [], [pid 5452] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5451] setpgid(0, 0 [pid 5450] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5451] <... setpgid resumed>) = 0 [pid 5453] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5452] <... bpf resumed>) = 4 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5452] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5452] <... futex resumed>) = 1 [pid 5450] <... futex resumed>) = 0 [pid 5452] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5450] <... futex resumed>) = 0 [pid 5453] <... bpf resumed>) = 3 [pid 5452] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5451] <... openat resumed>) = 3 [pid 5450] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5453] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] write(3, "1000", 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5454 attached [pid 5453] <... futex resumed>) = 1 [pid 5451] <... write resumed>) = 4 [pid 5449] <... futex resumed>) = 0 [pid 5454] set_robust_list(0x55558a0856a0, 24 [pid 5453] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] close(3 [pid 5449] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5455 attached [pid 5454] <... set_robust_list resumed>) = 0 [pid 5453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... close resumed>) = 0 [pid 5449] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5454 [pid 5455] set_robust_list(0x55558a0856a0, 24 [pid 5453] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5449] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] <... set_robust_list resumed>) = 0 [pid 5454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5451] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5455 [pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5454] <... prctl resumed>) = 0 [pid 5451] <... futex resumed>) = 0 [pid 5455] <... prctl resumed>) = 0 [pid 5453] <... bpf resumed>) = 4 [pid 5451] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5455] setpgid(0, 0 [pid 5454] setpgid(0, 0 [pid 5453] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... setpgid resumed>) = 0 [pid 5454] <... setpgid resumed>) = 0 [pid 5453] <... futex resumed>) = 1 [pid 5451] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5449] <... futex resumed>) = 0 [pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5453] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5449] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5449] <... futex resumed>) = 0 [pid 5455] <... openat resumed>) = 3 [pid 5453] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5449] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5455] write(3, "1000", 4) = 4 [pid 5454] <... openat resumed>) = 3 [pid 5451] <... mmap resumed>) = 0x7f7b61773000 [pid 5455] close(3 [pid 5454] write(3, "1000", 4 [pid 5452] <... bpf resumed>) = 5 [pid 5451] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5455] <... close resumed>) = 0 [pid 5453] <... bpf resumed>) = 5 [pid 5452] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... mprotect resumed>) = 0 [pid 5455] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... write resumed>) = 4 [pid 5452] <... futex resumed>) = 1 [pid 5450] <... futex resumed>) = 0 [pid 5453] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... futex resumed>) = 0 [pid 5454] close(3 [pid 5453] <... futex resumed>) = 1 [pid 5452] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5450] exit_group(0 [pid 5449] <... futex resumed>) = 0 [pid 5455] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5454] <... close resumed>) = 0 [pid 5453] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5452] <... futex resumed>) = ? [pid 5450] <... exit_group resumed>) = ? [pid 5449] exit_group(0 [pid 5451] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5455] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5454] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... futex resumed>) = ? [pid 5452] +++ exited with 0 +++ [pid 5451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5449] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5456 attached [pid 5455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5453] +++ exited with 0 +++ [pid 5456] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5456] <... rseq resumed>) = 0 [pid 5456] set_robust_list(0x7f7b617939a0, 24 [pid 5454] <... futex resumed>) = 0 [pid 5451] <... clone3 resumed> => {parent_tid=[5456]}, 88) = 5456 [pid 5456] <... set_robust_list resumed>) = 0 [pid 5455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5454] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5451] rt_sigprocmask(SIG_SETMASK, [], [pid 5456] rt_sigprocmask(SIG_SETMASK, [], [pid 5454] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5451] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5451] <... futex resumed>) = 0 [pid 5456] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5451] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] <... mmap resumed>) = 0x7f7b61773000 [pid 5454] <... mmap resumed>) = 0x7f7b61773000 [pid 5456] <... bpf resumed>) = 3 [pid 5454] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5455] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5456] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... mprotect resumed>) = 0 [pid 5454] <... mprotect resumed>) = 0 [pid 5456] <... futex resumed>) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5456] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5455] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5454] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5451] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5454] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5451] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5456] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5457 attached [pid 5457] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5454] <... clone3 resumed> => {parent_tid=[5457]}, 88) = 5457 [pid 5457] <... rseq resumed>) = 0 [pid 5457] set_robust_list(0x7f7b617939a0, 24 [pid 5454] rt_sigprocmask(SIG_SETMASK, [], [pid 5457] <... set_robust_list resumed>) = 0 [pid 5454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5457] rt_sigprocmask(SIG_SETMASK, [], [pid 5454] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5457] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5454] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5458 attached [pid 5457] <... bpf resumed>) = 3 [pid 5456] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... clone3 resumed> => {parent_tid=[5458]}, 88) = 5458 [pid 5454] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5458] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5457] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... futex resumed>) = 1 [pid 5455] rt_sigprocmask(SIG_SETMASK, [], [pid 5454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... futex resumed>) = 0 [pid 5458] <... rseq resumed>) = 0 [pid 5457] <... futex resumed>) = 0 [pid 5456] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5454] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] set_robust_list(0x7f7b617939a0, 24 [pid 5457] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... futex resumed>) = 0 [pid 5451] <... futex resumed>) = 0 [pid 5458] <... set_robust_list resumed>) = 0 [pid 5456] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5455] <... futex resumed>) = 0 [pid 5454] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5451] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5450] +++ exited with 0 +++ [pid 5458] rt_sigprocmask(SIG_SETMASK, [], [pid 5457] <... bpf resumed>) = 4 [pid 5455] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] +++ exited with 0 +++ [pid 5458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5457] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5458] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5457] <... futex resumed>) = 1 [pid 5454] <... futex resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5458] <... bpf resumed>) = 3 [pid 5457] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5454] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5458] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5454] <... futex resumed>) = 0 [pid 5458] <... futex resumed>) = 1 [pid 5457] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5455] <... futex resumed>) = 0 [pid 5454] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5459 attached [pid 5458] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5455] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5455] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5459 [pid 5455] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5459] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5460 attached [pid 5459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5458] <... bpf resumed>) = 4 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5460 [pid 5460] set_robust_list(0x55558a0856a0, 24 [pid 5458] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... set_robust_list resumed>) = 0 [pid 5459] <... openat resumed>) = 3 [pid 5458] <... futex resumed>) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5459] write(3, "1000", 4 [pid 5458] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5455] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... prctl resumed>) = 0 [pid 5459] <... write resumed>) = 4 [pid 5455] <... futex resumed>) = 0 [pid 5460] setpgid(0, 0 [pid 5459] close(3 [pid 5455] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5460] <... setpgid resumed>) = 0 [pid 5459] <... close resumed>) = 0 [pid 5460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5459] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5460] write(3, "1000", 4) = 4 [pid 5459] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5460] close(3 [pid 5459] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5460] <... close resumed>) = 0 [pid 5459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5460] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5460] <... futex resumed>) = 0 [pid 5459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5458] <... bpf resumed>) = 5 [pid 5457] <... bpf resumed>) = 5 [pid 5456] <... bpf resumed>) = 5 [pid 5460] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5459] <... mmap resumed>) = 0x7f7b61773000 [pid 5458] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5459] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5458] <... futex resumed>) = 1 [pid 5457] <... futex resumed>) = 1 [pid 5456] <... futex resumed>) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5454] <... futex resumed>) = 0 [pid 5451] <... futex resumed>) = 0 [pid 5460] <... mmap resumed>) = 0x7f7b61773000 [pid 5459] <... mprotect resumed>) = 0 [pid 5458] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5457] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5456] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] exit_group(0 [pid 5454] exit_group(0 [pid 5451] exit_group(0 [pid 5460] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5459] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5458] <... futex resumed>) = ? [pid 5457] <... futex resumed>) = ? [pid 5456] <... futex resumed>) = ? [pid 5455] <... exit_group resumed>) = ? [pid 5454] <... exit_group resumed>) = ? [pid 5451] <... exit_group resumed>) = ? [pid 5460] <... mprotect resumed>) = 0 [pid 5459] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5458] +++ exited with 0 +++ [pid 5457] +++ exited with 0 +++ [pid 5456] +++ exited with 0 +++ [pid 5454] +++ exited with 0 +++ [pid 5460] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5455] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5454, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5460] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5451] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5461 attached [pid 5459] <... clone3 resumed> => {parent_tid=[5461]}, 88) = 5461 [pid 5461] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5459] rt_sigprocmask(SIG_SETMASK, [], [pid 5461] <... rseq resumed>) = 0 [pid 5459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5451, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5462 attached [pid 5461] set_robust_list(0x7f7b617939a0, 24 [pid 5460] <... clone3 resumed> => {parent_tid=[5462]}, 88) = 5462 [pid 5459] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5462] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5461] <... set_robust_list resumed>) = 0 [pid 5462] <... rseq resumed>) = 0 [pid 5461] rt_sigprocmask(SIG_SETMASK, [], [pid 5459] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5462] set_robust_list(0x7f7b617939a0, 24 [pid 5461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5460] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5464 attached ./strace-static-x86_64: Process 5463 attached [pid 5462] <... set_robust_list resumed>) = 0 [pid 5460] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5463 [pid 5461] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5464 [pid 5464] set_robust_list(0x55558a0856a0, 24 [pid 5463] set_robust_list(0x55558a0856a0, 24 [pid 5462] rt_sigprocmask(SIG_SETMASK, [], [pid 5460] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... set_robust_list resumed>) = 0 [pid 5463] <... set_robust_list resumed>) = 0 [pid 5462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5461] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5465 attached [pid 5465] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5461] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5465 [pid 5462] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5465] <... prctl resumed>) = 0 [pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5463] <... prctl resumed>) = 0 [pid 5461] <... futex resumed>) = 1 [pid 5459] <... futex resumed>) = 0 [pid 5465] setpgid(0, 0 [pid 5462] <... bpf resumed>) = 3 [pid 5459] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... setpgid resumed>) = 0 [pid 5459] <... futex resumed>) = 0 [pid 5465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5464] <... prctl resumed>) = 0 [pid 5463] setpgid(0, 0 [pid 5462] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5459] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] <... openat resumed>) = 3 [pid 5464] setpgid(0, 0 [pid 5463] <... setpgid resumed>) = 0 [pid 5462] <... futex resumed>) = 1 [pid 5460] <... futex resumed>) = 0 [pid 5460] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5460] <... futex resumed>) = 0 [pid 5464] <... setpgid resumed>) = 0 [pid 5463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5460] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] write(3, "1000", 4) = 4 [pid 5465] close(3) = 0 [pid 5465] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5465] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5465] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5465] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5464] <... openat resumed>) = 3 [pid 5465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5466 attached [pid 5461] <... bpf resumed>) = 4 [pid 5466] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5465] <... clone3 resumed> => {parent_tid=[5466]}, 88) = 5466 [pid 5463] <... openat resumed>) = 3 [pid 5466] <... rseq resumed>) = 0 [pid 5466] set_robust_list(0x7f7b617939a0, 24 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], [pid 5466] <... set_robust_list resumed>) = 0 [pid 5465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] write(3, "1000", 4 [pid 5463] write(3, "1000", 4 [pid 5462] <... bpf resumed>) = 4 [pid 5461] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] rt_sigprocmask(SIG_SETMASK, [], [pid 5465] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... write resumed>) = 4 [pid 5463] <... write resumed>) = 4 [pid 5466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5465] <... futex resumed>) = 0 [pid 5463] close(3 [pid 5466] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5465] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] close(3 [pid 5462] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] <... futex resumed>) = 1 [pid 5459] <... futex resumed>) = 0 [pid 5463] <... close resumed>) = 0 [pid 5466] <... bpf resumed>) = 3 [pid 5464] <... close resumed>) = 0 [pid 5462] <... futex resumed>) = 1 [pid 5461] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5463] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = 0 [pid 5459] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] <... futex resumed>) = 0 [pid 5462] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5460] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... futex resumed>) = 0 [pid 5466] <... futex resumed>) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5464] <... futex resumed>) = 0 [pid 5463] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5461] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5460] <... futex resumed>) = 0 [pid 5459] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5466] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5465] <... futex resumed>) = 0 [pid 5463] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5462] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5460] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5466] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5465] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5466] <... bpf resumed>) = 4 [pid 5464] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5462] <... bpf resumed>) = 5 [pid 5461] <... bpf resumed>) = 5 [pid 5466] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5466] <... futex resumed>) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5466] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5463] <... mmap resumed>) = 0x7f7b61773000 [pid 5462] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5462] <... futex resumed>) = 1 [pid 5461] <... futex resumed>) = 1 [pid 5460] <... futex resumed>) = 0 [pid 5459] <... futex resumed>) = 0 [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5462] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5460] exit_group(0 [pid 5466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5459] exit_group(0 [pid 5466] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5465] <... futex resumed>) = 0 [pid 5464] <... mmap resumed>) = 0x7f7b61773000 [pid 5463] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5462] <... futex resumed>) = ? [pid 5461] <... futex resumed>) = ? [pid 5460] <... exit_group resumed>) = ? [pid 5459] <... exit_group resumed>) = ? [pid 5466] <... bpf resumed>) = 5 [pid 5465] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5464] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5463] <... mprotect resumed>) = 0 [pid 5462] +++ exited with 0 +++ [pid 5461] +++ exited with 0 +++ [pid 5466] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5466] <... futex resumed>) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5463] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5466] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] exit_group(0 [pid 5466] <... futex resumed>) = ? [pid 5465] <... exit_group resumed>) = ? [pid 5463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5459] +++ exited with 0 +++ ./strace-static-x86_64: Process 5467 attached [pid 5466] +++ exited with 0 +++ [pid 5464] <... mprotect resumed>) = 0 [pid 5467] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5467] <... rseq resumed>) = 0 [pid 5464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5463] <... clone3 resumed> => {parent_tid=[5467]}, 88) = 5467 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5467] set_robust_list(0x7f7b617939a0, 24 [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5463] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5468 attached [pid 5467] <... set_robust_list resumed>) = 0 [pid 5463] <... futex resumed>) = 0 [pid 5468] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5467] rt_sigprocmask(SIG_SETMASK, [], [pid 5464] <... clone3 resumed> => {parent_tid=[5468]}, 88) = 5468 [pid 5463] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] <... rseq resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5468] set_robust_list(0x7f7b617939a0, 24 [pid 5467] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5469 attached [pid 5468] <... set_robust_list resumed>) = 0 [pid 5467] <... bpf resumed>) = 3 [pid 5464] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] set_robust_list(0x55558a0856a0, 24 [pid 5468] rt_sigprocmask(SIG_SETMASK, [], [pid 5467] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = 0 [pid 5469] <... set_robust_list resumed>) = 0 [pid 5468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5467] <... futex resumed>) = 1 [pid 5463] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5469 [pid 5469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5468] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5467] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5463] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] <... prctl resumed>) = 0 [pid 5468] <... bpf resumed>) = 3 [pid 5467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5463] <... futex resumed>) = 0 [pid 5468] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5463] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5469] setpgid(0, 0 [pid 5468] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5469] <... setpgid resumed>) = 0 [pid 5464] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5464] <... futex resumed>) = 0 [pid 5464] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] <... bpf resumed>) = 4 [pid 5468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5467] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] <... openat resumed>) = 3 [pid 5468] <... bpf resumed>) = 4 [pid 5460] +++ exited with 0 +++ [pid 5467] <... futex resumed>) = 1 [pid 5465] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5469] write(3, "1000", 4 [pid 5467] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5463] <... futex resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5469] <... write resumed>) = 4 [pid 5468] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] close(3 [pid 5468] <... futex resumed>) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5464] <... futex resumed>) = 0 [pid 5463] <... futex resumed>) = 1 [pid 5469] <... close resumed>) = 0 [pid 5468] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5464] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5469] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5464] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5469] <... futex resumed>) = 0 [pid 5468] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5464] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5469] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5469] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5469] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5471 attached ./strace-static-x86_64: Process 5470 attached [pid 5471] set_robust_list(0x55558a0856a0, 24 [pid 5470] set_robust_list(0x55558a0856a0, 24 [pid 5469] <... mprotect resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5471 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5470 [pid 5471] <... set_robust_list resumed>) = 0 [pid 5470] <... set_robust_list resumed>) = 0 [pid 5471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5469] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5471] <... prctl resumed>) = 0 [pid 5470] <... prctl resumed>) = 0 [pid 5471] setpgid(0, 0 [pid 5470] setpgid(0, 0 [pid 5469] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5471] <... setpgid resumed>) = 0 [pid 5470] <... setpgid resumed>) = 0 [pid 5471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} => {parent_tid=[5472]}, 88) = 5472 [pid 5469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5469] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... bpf resumed>) = 5 [pid 5471] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5472 attached [pid 5467] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5471] write(3, "1000", 4 [pid 5467] <... futex resumed>) = 1 [pid 5472] <... rseq resumed>) = 0 [pid 5471] <... write resumed>) = 4 [pid 5467] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] set_robust_list(0x7f7b617939a0, 24 [pid 5471] close(3 [pid 5472] <... set_robust_list resumed>) = 0 [pid 5471] <... close resumed>) = 0 [pid 5472] rt_sigprocmask(SIG_SETMASK, [], [pid 5471] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] <... openat resumed>) = 3 [pid 5469] <... futex resumed>) = 0 [pid 5468] <... bpf resumed>) = 5 [pid 5463] <... futex resumed>) = 0 [pid 5472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] <... futex resumed>) = 0 [pid 5470] write(3, "1000", 4 [pid 5469] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] exit_group(0 [pid 5471] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5470] <... write resumed>) = 4 [pid 5468] <... futex resumed>) = 1 [pid 5472] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5464] <... futex resumed>) = 0 [pid 5463] <... exit_group resumed>) = ? [pid 5472] <... bpf resumed>) = 3 [pid 5471] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5470] close(3 [pid 5468] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] <... futex resumed>) = ? [pid 5464] exit_group(0 [pid 5472] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5470] <... close resumed>) = 0 [pid 5468] <... futex resumed>) = ? [pid 5464] <... exit_group resumed>) = ? [pid 5472] <... futex resumed>) = 1 [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5470] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] <... futex resumed>) = 0 [pid 5468] +++ exited with 0 +++ [pid 5472] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5469] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5470] <... futex resumed>) = 0 [pid 5469] <... futex resumed>) = 0 [pid 5471] <... mmap resumed>) = 0x7f7b61773000 [pid 5470] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5469] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5470] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5471] <... mprotect resumed>) = 0 [pid 5470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5471] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5470] <... mmap resumed>) = 0x7f7b61773000 [pid 5471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5470] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5472] <... bpf resumed>) = 4 [pid 5470] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5473 attached [pid 5472] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5467] +++ exited with 0 +++ [pid 5464] +++ exited with 0 +++ [pid 5463] +++ exited with 0 +++ [pid 5473] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5471] <... clone3 resumed> => {parent_tid=[5473]}, 88) = 5473 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5473] <... rseq resumed>) = 0 [pid 5472] <... futex resumed>) = 1 [pid 5469] <... futex resumed>) = 0 [pid 5473] set_robust_list(0x7f7b617939a0, 24 [pid 5472] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] rt_sigprocmask(SIG_SETMASK, [], [pid 5470] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5473] <... set_robust_list resumed>) = 0 [pid 5472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5469] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5474 attached [pid 5473] rt_sigprocmask(SIG_SETMASK, [], [pid 5472] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5469] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5471] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5469] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5474] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5473] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5471] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5470] <... clone3 resumed> => {parent_tid=[5474]}, 88) = 5474 [pid 5474] <... rseq resumed>) = 0 [pid 5473] <... bpf resumed>) = 3 [pid 5471] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5470] rt_sigprocmask(SIG_SETMASK, [], [pid 5473] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] set_robust_list(0x7f7b617939a0, 24 [pid 5473] <... futex resumed>) = 0 [pid 5470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5474] <... set_robust_list resumed>) = 0 [pid 5473] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5474] rt_sigprocmask(SIG_SETMASK, [], [pid 5471] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5473] <... futex resumed>) = 0 [pid 5471] <... futex resumed>) = 1 [pid 5474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5473] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5471] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5470] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5476 attached ./strace-static-x86_64: Process 5475 attached ) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5475 [pid 5476] set_robust_list(0x55558a0856a0, 24 [pid 5475] set_robust_list(0x55558a0856a0, 24 [pid 5474] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... bpf resumed>) = 4 [pid 5474] <... futex resumed>) = 1 [pid 5475] <... set_robust_list resumed>) = 0 [pid 5474] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] <... set_robust_list resumed>) = 0 [pid 5475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5470] <... futex resumed>) = 0 [pid 5476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5470] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... bpf resumed>) = 5 [pid 5476] <... prctl resumed>) = 0 [pid 5475] <... prctl resumed>) = 0 [pid 5474] <... futex resumed>) = 0 [pid 5473] <... futex resumed>) = 1 [pid 5472] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = 0 [pid 5470] <... futex resumed>) = 1 [pid 5476] setpgid(0, 0 [pid 5475] setpgid(0, 0 [pid 5474] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5473] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] <... futex resumed>) = 1 [pid 5471] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5469] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5476 [pid 5476] <... setpgid resumed>) = 0 [pid 5475] <... setpgid resumed>) = 0 [pid 5474] <... bpf resumed>) = 4 [pid 5473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5472] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] <... futex resumed>) = 0 [pid 5469] exit_group(0 [pid 5476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5474] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5472] <... futex resumed>) = ? [pid 5471] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5469] <... exit_group resumed>) = ? [pid 5476] <... openat resumed>) = 3 [pid 5475] <... openat resumed>) = 3 [pid 5474] <... futex resumed>) = 1 [pid 5473] <... bpf resumed>) = 5 [pid 5472] +++ exited with 0 +++ [pid 5470] <... futex resumed>) = 0 [pid 5476] write(3, "1000", 4 [pid 5475] write(3, "1000", 4 [pid 5470] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... write resumed>) = 4 [pid 5475] <... write resumed>) = 4 [pid 5474] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5473] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] <... futex resumed>) = 0 [pid 5476] close(3 [pid 5475] close(3 [pid 5473] <... futex resumed>) = 1 [pid 5471] <... futex resumed>) = 0 [pid 5470] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5476] <... close resumed>) = 0 [pid 5475] <... close resumed>) = 0 [pid 5473] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] exit_group(0 [pid 5476] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... futex resumed>) = ? [pid 5471] <... exit_group resumed>) = ? [pid 5476] <... futex resumed>) = 0 [pid 5475] <... futex resumed>) = 0 [pid 5476] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5475] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5476] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5475] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5476] <... mmap resumed>) = 0x7f7b61773000 [pid 5475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5476] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5475] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5475] <... mprotect resumed>) = 0 [pid 5476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5477 attached [pid 5477] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5476] <... clone3 resumed> => {parent_tid=[5477]}, 88) = 5477 [pid 5475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5477] <... rseq resumed>) = 0 [pid 5476] rt_sigprocmask(SIG_SETMASK, [], [pid 5475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5477] set_robust_list(0x7f7b617939a0, 24 [pid 5476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5477] <... set_robust_list resumed>) = 0 [pid 5476] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5478 attached [pid 5477] rt_sigprocmask(SIG_SETMASK, [], [pid 5476] <... futex resumed>) = 0 [pid 5474] <... bpf resumed>) = 5 [pid 5469] +++ exited with 0 +++ [pid 5478] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5476] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5475] <... clone3 resumed> => {parent_tid=[5478]}, 88) = 5478 [pid 5474] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... rseq resumed>) = 0 [pid 5477] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5475] rt_sigprocmask(SIG_SETMASK, [], [pid 5474] <... futex resumed>) = 1 [pid 5470] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5478] set_robust_list(0x7f7b617939a0, 24 [pid 5477] <... bpf resumed>) = 3 [pid 5475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5474] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] exit_group(0 [pid 5478] <... set_robust_list resumed>) = 0 [pid 5477] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... futex resumed>) = ? [pid 5470] <... exit_group resumed>) = ? [pid 5478] rt_sigprocmask(SIG_SETMASK, [], [pid 5476] <... futex resumed>) = 0 [pid 5475] <... futex resumed>) = 0 [pid 5477] <... futex resumed>) = 1 [pid 5475] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] +++ exited with 0 +++ [pid 5478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5476] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5476] <... futex resumed>) = 0 [pid 5477] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5478] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5476] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5479 attached [pid 5477] <... bpf resumed>) = 4 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5479 [pid 5479] set_robust_list(0x55558a0856a0, 24 [pid 5478] <... bpf resumed>) = 3 [pid 5477] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] <... set_robust_list resumed>) = 0 [pid 5478] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... futex resumed>) = 1 [pid 5476] <... futex resumed>) = 0 [pid 5479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5478] <... futex resumed>) = 1 [pid 5477] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... futex resumed>) = 0 [pid 5479] <... prctl resumed>) = 0 [pid 5478] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5476] <... futex resumed>) = 0 [pid 5475] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] setpgid(0, 0 [pid 5478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5477] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5473] +++ exited with 0 +++ [pid 5475] <... futex resumed>) = 0 [pid 5471] +++ exited with 0 +++ [pid 5476] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5470] +++ exited with 0 +++ [pid 5479] <... setpgid resumed>) = 0 [pid 5478] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5475] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5479] <... openat resumed>) = 3 [pid 5479] write(3, "1000", 4 [pid 5478] <... bpf resumed>) = 4 [pid 5477] <... bpf resumed>) = 5 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5471, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5478] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] <... write resumed>) = 4 [pid 5478] <... futex resumed>) = 1 [pid 5477] <... futex resumed>) = 1 [pid 5476] <... futex resumed>) = 0 [pid 5475] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5479] close(3 [pid 5478] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5477] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] exit_group(0 [pid 5475] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] <... close resumed>) = 0 [pid 5478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5477] <... futex resumed>) = ? [pid 5476] <... exit_group resumed>) = ? [pid 5475] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5478] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5477] +++ exited with 0 +++ ./strace-static-x86_64: Process 5480 attached [pid 5479] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... bpf resumed>) = 5 [pid 5475] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5480 [pid 5480] set_robust_list(0x55558a0856a0, 24 [pid 5479] <... futex resumed>) = 0 [pid 5478] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5481 attached [pid 5475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5481] set_robust_list(0x55558a0856a0, 24 [pid 5479] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5475] exit_group(0 [pid 5480] <... set_robust_list resumed>) = 0 [pid 5478] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5481 [pid 5481] <... set_robust_list resumed>) = 0 [pid 5480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5479] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5478] +++ exited with 0 +++ [pid 5475] <... exit_group resumed>) = ? [pid 5481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5480] <... prctl resumed>) = 0 [pid 5479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5481] <... prctl resumed>) = 0 [pid 5480] setpgid(0, 0 [pid 5479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5481] setpgid(0, 0 [pid 5480] <... setpgid resumed>) = 0 [pid 5479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5481] <... setpgid resumed>) = 0 [pid 5479] <... mmap resumed>) = 0x7f7b61773000 [pid 5480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5479] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5479] <... mprotect resumed>) = 0 [pid 5481] <... openat resumed>) = 3 [pid 5480] <... openat resumed>) = 3 [pid 5481] write(3, "1000", 4 [pid 5479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5481] <... write resumed>) = 4 [pid 5480] write(3, "1000", 4 [pid 5476] +++ exited with 0 +++ [pid 5475] +++ exited with 0 +++ [pid 5481] close(3 [pid 5480] <... write resumed>) = 4 [pid 5479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5481] <... close resumed>) = 0 [pid 5480] close(3 [pid 5479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5482 attached [pid 5481] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... close resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5481] <... futex resumed>) = 0 [pid 5480] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] <... clone3 resumed> => {parent_tid=[5482]}, 88) = 5482 [pid 5482] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5481] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5480] <... futex resumed>) = 0 [pid 5479] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5482] <... rseq resumed>) = 0 [pid 5481] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5480] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5480] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5479] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5479] <... futex resumed>) = 0 [pid 5481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5479] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] set_robust_list(0x7f7b617939a0, 24 [pid 5481] <... mmap resumed>) = 0x7f7b61773000 [pid 5480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5481] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5480] <... mmap resumed>) = 0x7f7b61773000 [pid 5481] <... mprotect resumed>) = 0 [pid 5480] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5481] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5480] <... mprotect resumed>) = 0 [pid 5481] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5480] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5483 attached [pid 5483] set_robust_list(0x55558a0856a0, 24./strace-static-x86_64: Process 5485 attached ./strace-static-x86_64: Process 5484 attached [pid 5482] <... set_robust_list resumed>) = 0 [pid 5481] <... clone3 resumed> => {parent_tid=[5484]}, 88) = 5484 [pid 5480] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5483 [pid 5484] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5482] rt_sigprocmask(SIG_SETMASK, [], [pid 5485] set_robust_list(0x55558a0856a0, 24 [pid 5484] <... rseq resumed>) = 0 [pid 5483] <... set_robust_list resumed>) = 0 [pid 5482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5481] rt_sigprocmask(SIG_SETMASK, [], [pid 5480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5485 ./strace-static-x86_64: Process 5486 attached [pid 5485] <... set_robust_list resumed>) = 0 [pid 5484] set_robust_list(0x7f7b617939a0, 24 [pid 5483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5482] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5486] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5484] <... set_robust_list resumed>) = 0 [pid 5483] <... prctl resumed>) = 0 [pid 5481] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... clone3 resumed> => {parent_tid=[5486]}, 88) = 5486 [pid 5486] <... rseq resumed>) = 0 [pid 5485] <... prctl resumed>) = 0 [pid 5484] rt_sigprocmask(SIG_SETMASK, [], [pid 5483] setpgid(0, 0 [pid 5482] <... bpf resumed>) = 3 [pid 5481] <... futex resumed>) = 0 [pid 5480] rt_sigprocmask(SIG_SETMASK, [], [pid 5486] set_robust_list(0x7f7b617939a0, 24 [pid 5485] setpgid(0, 0 [pid 5484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5483] <... setpgid resumed>) = 0 [pid 5482] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5486] <... set_robust_list resumed>) = 0 [pid 5485] <... setpgid resumed>) = 0 [pid 5484] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5482] <... futex resumed>) = 1 [pid 5479] <... futex resumed>) = 0 [pid 5486] rt_sigprocmask(SIG_SETMASK, [], [pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5484] <... bpf resumed>) = 3 [pid 5480] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5484] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... openat resumed>) = 3 [pid 5482] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5480] <... futex resumed>) = 0 [pid 5479] <... futex resumed>) = 0 [pid 5486] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5485] <... openat resumed>) = 3 [pid 5484] <... futex resumed>) = 1 [pid 5483] write(3, "1000", 4 [pid 5481] <... futex resumed>) = 0 [pid 5480] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5479] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5486] <... bpf resumed>) = 3 [pid 5485] write(3, "1000", 4 [pid 5484] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5483] <... write resumed>) = 4 [pid 5482] <... bpf resumed>) = 4 [pid 5481] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... write resumed>) = 4 [pid 5483] close(3 [pid 5482] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... futex resumed>) = 0 [pid 5486] <... futex resumed>) = 1 [pid 5485] close(3 [pid 5484] <... bpf resumed>) = 4 [pid 5483] <... close resumed>) = 0 [pid 5482] <... futex resumed>) = 1 [pid 5481] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] <... futex resumed>) = 0 [pid 5479] <... futex resumed>) = 0 [pid 5486] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] <... close resumed>) = 0 [pid 5484] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5484] <... futex resumed>) = 0 [pid 5482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] <... futex resumed>) = 0 [pid 5479] <... futex resumed>) = 0 [pid 5486] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5485] <... futex resumed>) = 0 [pid 5484] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5483] <... futex resumed>) = 0 [pid 5482] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5481] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5479] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5486] <... bpf resumed>) = 4 [pid 5485] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5483] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5484] <... bpf resumed>) = 5 [pid 5481] <... futex resumed>) = 0 [pid 5486] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5484] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5482] <... bpf resumed>) = 5 [pid 5481] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5486] <... futex resumed>) = 1 [pid 5485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5484] <... futex resumed>) = 0 [pid 5483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5482] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] <... futex resumed>) = 0 [pid 5486] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5484] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5482] <... futex resumed>) = 1 [pid 5481] exit_group(0 [pid 5480] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] <... futex resumed>) = 0 [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5484] <... futex resumed>) = ? [pid 5483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5482] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] <... exit_group resumed>) = ? [pid 5480] <... futex resumed>) = 0 [pid 5479] exit_group(0 [pid 5486] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5485] <... mmap resumed>) = 0x7f7b61773000 [pid 5484] +++ exited with 0 +++ [pid 5483] <... mmap resumed>) = 0x7f7b61773000 [pid 5482] <... futex resumed>) = ? [pid 5480] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5479] <... exit_group resumed>) = ? [pid 5483] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5486] <... bpf resumed>) = 5 [pid 5485] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5486] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5483] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5486] <... futex resumed>) = 1 [pid 5485] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5480] <... futex resumed>) = 0 [pid 5483] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5486] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5480] exit_group(0./strace-static-x86_64: Process 5488 attached [pid 5486] <... futex resumed>) = ? [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5481] +++ exited with 0 +++ [pid 5480] <... exit_group resumed>) = ? [pid 5488] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5486] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5488] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 5489 attached [pid 5488] set_robust_list(0x7f7b617939a0, 24 [pid 5483] <... clone3 resumed> => {parent_tid=[5488]}, 88) = 5488 [pid 5488] <... set_robust_list resumed>) = 0 [pid 5488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5489] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5488] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] rt_sigprocmask(SIG_SETMASK, [], [pid 5485] <... clone3 resumed> => {parent_tid=[5489]}, 88) = 5489 [pid 5489] <... rseq resumed>) = 0 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], [pid 5483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5489] set_robust_list(0x7f7b617939a0, 24 [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5483] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5490 attached [pid 5489] <... set_robust_list resumed>) = 0 [pid 5485] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... futex resumed>) = 1 [pid 5489] rt_sigprocmask(SIG_SETMASK, [], [pid 5488] <... futex resumed>) = 0 [pid 5485] <... futex resumed>) = 0 [pid 5483] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5490] set_robust_list(0x55558a0856a0, 24 [pid 5489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5488] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5485] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5490 [pid 5490] <... set_robust_list resumed>) = 0 [pid 5489] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5488] <... bpf resumed>) = 3 [pid 5490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5489] <... bpf resumed>) = 3 [pid 5489] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... prctl resumed>) = 0 [pid 5489] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5489] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... futex resumed>) = 0 [pid 5489] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5485] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5490] setpgid(0, 0 [pid 5488] <... futex resumed>) = 1 [pid 5490] <... setpgid resumed>) = 0 [pid 5488] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] +++ exited with 0 +++ [pid 5479] +++ exited with 0 +++ [pid 5490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5483] <... futex resumed>) = 0 [pid 5480] +++ exited with 0 +++ [pid 5489] <... bpf resumed>) = 4 [pid 5489] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5480, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5490] <... openat resumed>) = 3 [pid 5489] <... futex resumed>) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5485] <... futex resumed>) = 0 [pid 5483] <... futex resumed>) = 1 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5479, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5489] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5488] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5485] <... futex resumed>) = 0 [pid 5490] write(3, "1000", 4 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5489] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5485] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] <... restart_syscall resumed>) = 0 [pid 5490] <... write resumed>) = 4 [pid 5490] close(3) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5491 attached [pid 5490] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] <... bpf resumed>) = 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5490] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5491 ./strace-static-x86_64: Process 5492 attached [pid 5491] set_robust_list(0x55558a0856a0, 24 [pid 5490] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5488] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] set_robust_list(0x55558a0856a0, 24 [pid 5491] <... set_robust_list resumed>) = 0 [pid 5490] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5492] <... set_robust_list resumed>) = 0 [pid 5492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5490] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5488] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5492] <... prctl resumed>) = 0 [pid 5491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5488] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5492 [pid 5492] setpgid(0, 0 [pid 5491] <... prctl resumed>) = 0 [pid 5490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5483] <... futex resumed>) = 0 [pid 5492] <... setpgid resumed>) = 0 [pid 5491] setpgid(0, 0 [pid 5488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5483] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5490] <... mmap resumed>) = 0x7f7b61773000 [pid 5489] <... bpf resumed>) = 5 [pid 5492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5491] <... setpgid resumed>) = 0 [pid 5490] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5488] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5492] <... openat resumed>) = 3 [pid 5491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5489] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] <... bpf resumed>) = 5 [pid 5490] <... mprotect resumed>) = 0 [pid 5489] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5485] exit_group(0) = ? [pid 5492] write(3, "1000", 4 [pid 5491] <... openat resumed>) = 3 [pid 5490] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5489] +++ exited with 0 +++ [pid 5488] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] <... write resumed>) = 4 [pid 5491] write(3, "1000", 4 [pid 5490] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5488] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5492] close(3 [pid 5491] <... write resumed>) = 4 [pid 5490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5488] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] exit_group(0 [pid 5492] <... close resumed>) = 0 [pid 5491] close(3 [pid 5492] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... close resumed>) = 0 [pid 5488] <... futex resumed>) = ? [pid 5483] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5493 attached [pid 5491] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5491] <... futex resumed>) = 0 [pid 5490] <... clone3 resumed> => {parent_tid=[5493]}, 88) = 5493 [pid 5493] <... rseq resumed>) = 0 [pid 5492] <... futex resumed>) = 0 [pid 5491] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5490] rt_sigprocmask(SIG_SETMASK, [], [pid 5493] set_robust_list(0x7f7b617939a0, 24 [pid 5492] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5493] <... set_robust_list resumed>) = 0 [pid 5492] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5491] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5490] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] rt_sigprocmask(SIG_SETMASK, [], [pid 5492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5490] <... futex resumed>) = 0 [pid 5493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5490] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5493] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5492] <... mmap resumed>) = 0x7f7b61773000 [pid 5491] <... mmap resumed>) = 0x7f7b61773000 [pid 5492] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5491] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5493] <... bpf resumed>) = 3 [pid 5492] <... mprotect resumed>) = 0 [pid 5493] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5492] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5490] <... futex resumed>) = 0 [pid 5493] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5490] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5492] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5490] <... futex resumed>) = 0 [pid 5493] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5495 attached ./strace-static-x86_64: Process 5494 attached [pid 5490] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5494] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5492] <... clone3 resumed> => {parent_tid=[5495]}, 88) = 5495 [pid 5495] <... rseq resumed>) = 0 [pid 5494] <... rseq resumed>) = 0 [pid 5493] <... bpf resumed>) = 4 [pid 5492] rt_sigprocmask(SIG_SETMASK, [], [pid 5495] set_robust_list(0x7f7b617939a0, 24 [pid 5494] set_robust_list(0x7f7b617939a0, 24 [pid 5492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5495] <... set_robust_list resumed>) = 0 [pid 5494] <... set_robust_list resumed>) = 0 [pid 5492] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] rt_sigprocmask(SIG_SETMASK, [], [pid 5494] rt_sigprocmask(SIG_SETMASK, [], [pid 5495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5492] <... futex resumed>) = 0 [pid 5495] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5494] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5492] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... bpf resumed>) = 3 [pid 5493] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... clone3 resumed> => {parent_tid=[5494]}, 88) = 5494 [pid 5495] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... futex resumed>) = 1 [pid 5491] rt_sigprocmask(SIG_SETMASK, [], [pid 5490] <... futex resumed>) = 0 [pid 5493] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5490] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... futex resumed>) = 0 [pid 5493] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5491] <... futex resumed>) = 1 [pid 5490] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5495] <... futex resumed>) = 1 [pid 5494] <... futex resumed>) = 0 [pid 5492] <... futex resumed>) = 0 [pid 5491] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] +++ exited with 0 +++ [pid 5495] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5493] <... bpf resumed>) = 5 [pid 5494] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5493] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = 0 [pid 5494] <... bpf resumed>) = 3 [pid 5493] <... futex resumed>) = 1 [pid 5492] <... futex resumed>) = 1 [pid 5490] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5495] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5494] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5492] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5490] exit_group(0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5495] <... bpf resumed>) = 4 [pid 5494] <... futex resumed>) = 1 [pid 5493] <... futex resumed>) = ? [pid 5491] <... futex resumed>) = 0 [pid 5490] <... exit_group resumed>) = ? [pid 5494] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5493] +++ exited with 0 +++ [pid 5491] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5496 attached [pid 5495] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... futex resumed>) = 0 [pid 5491] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] set_robust_list(0x55558a0856a0, 24 [pid 5495] <... futex resumed>) = 1 [pid 5494] <... bpf resumed>) = 4 [pid 5492] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5496 [pid 5496] <... set_robust_list resumed>) = 0 [pid 5495] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5492] <... futex resumed>) = 0 [pid 5496] <... prctl resumed>) = 0 [pid 5495] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5494] <... futex resumed>) = 1 [pid 5492] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5491] <... futex resumed>) = 0 [pid 5496] setpgid(0, 0 [pid 5494] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... setpgid resumed>) = 0 [pid 5494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] <... futex resumed>) = 0 [pid 5496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5494] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5491] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5496] <... openat resumed>) = 3 [pid 5496] write(3, "1000", 4) = 4 [pid 5496] close(3) = 0 [pid 5496] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5496] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5490] +++ exited with 0 +++ [pid 5488] +++ exited with 0 +++ [pid 5483] +++ exited with 0 +++ [pid 5496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5490, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5496] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5496] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} => {parent_tid=[5497]}, 88) = 5497 ./strace-static-x86_64: Process 5499 attached ./strace-static-x86_64: Process 5498 attached ./strace-static-x86_64: Process 5497 attached [pid 5495] <... bpf resumed>) = 5 [pid 5494] <... bpf resumed>) = 5 [pid 5499] set_robust_list(0x55558a0856a0, 24 [pid 5498] set_robust_list(0x55558a0856a0, 24 [pid 5496] rt_sigprocmask(SIG_SETMASK, [], [pid 5495] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5499 [pid 5499] <... set_robust_list resumed>) = 0 [pid 5498] <... set_robust_list resumed>) = 0 [pid 5496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5495] <... futex resumed>) = 1 [pid 5494] <... futex resumed>) = 1 [pid 5492] <... futex resumed>) = 0 [pid 5499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5496] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5492] exit_group(0 [pid 5499] <... prctl resumed>) = 0 [pid 5498] <... prctl resumed>) = 0 [pid 5496] <... futex resumed>) = 0 [pid 5495] <... futex resumed>) = ? [pid 5492] <... exit_group resumed>) = ? [pid 5499] setpgid(0, 0 [pid 5498] setpgid(0, 0 [pid 5497] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5496] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] +++ exited with 0 +++ [pid 5491] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5498 [pid 5491] exit_group(0 [pid 5497] <... rseq resumed>) = 0 [pid 5497] set_robust_list(0x7f7b617939a0, 24 [pid 5491] <... exit_group resumed>) = ? [pid 5497] <... set_robust_list resumed>) = 0 [pid 5497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5499] <... setpgid resumed>) = 0 [pid 5498] <... setpgid resumed>) = 0 [pid 5494] <... futex resumed>) = ? [pid 5498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5497] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5497] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5497] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5496] <... futex resumed>) = 0 [pid 5498] <... openat resumed>) = 3 [pid 5496] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5498] write(3, "1000", 4 [pid 5497] <... futex resumed>) = 0 [pid 5496] <... futex resumed>) = 1 [pid 5498] <... write resumed>) = 4 [pid 5497] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5496] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] <... openat resumed>) = 3 [pid 5498] close(3) = 0 [pid 5499] write(3, "1000", 4 [pid 5498] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] <... bpf resumed>) = 4 [pid 5499] <... write resumed>) = 4 [pid 5498] <... futex resumed>) = 0 [pid 5499] close(3 [pid 5498] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5497] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... close resumed>) = 0 [pid 5498] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5497] <... futex resumed>) = 1 [pid 5496] <... futex resumed>) = 0 [pid 5499] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5497] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5496] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... futex resumed>) = 0 [pid 5498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5496] <... futex resumed>) = 0 [pid 5499] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5497] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5499] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5498] <... mmap resumed>) = 0x7f7b61773000 [pid 5499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5496] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5498] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5498] <... mprotect resumed>) = 0 [pid 5499] <... mmap resumed>) = 0x7f7b61773000 [pid 5499] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5498] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5499] <... mprotect resumed>) = 0 [pid 5499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5498] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5499] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5500 attached [pid 5500] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5501 attached ) = 0 [pid 5498] <... clone3 resumed> => {parent_tid=[5500]}, 88) = 5500 [pid 5501] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5500] set_robust_list(0x7f7b617939a0, 24 [pid 5499] <... clone3 resumed> => {parent_tid=[5501]}, 88) = 5501 [pid 5498] rt_sigprocmask(SIG_SETMASK, [], [pid 5492] +++ exited with 0 +++ [pid 5501] <... rseq resumed>) = 0 [pid 5500] <... set_robust_list resumed>) = 0 [pid 5499] rt_sigprocmask(SIG_SETMASK, [], [pid 5498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5494] +++ exited with 0 +++ [pid 5491] +++ exited with 0 +++ [pid 5501] set_robust_list(0x7f7b617939a0, 24 [pid 5500] rt_sigprocmask(SIG_SETMASK, [], [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5498] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5491, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5501] <... set_robust_list resumed>) = 0 [pid 5500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5499] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] <... futex resumed>) = 0 [pid 5499] <... futex resumed>) = 0 [pid 5498] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] rt_sigprocmask(SIG_SETMASK, [], [pid 5500] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5499] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5500] <... bpf resumed>) = 3 [pid 5501] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5500] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5500] <... futex resumed>) = 1 [pid 5498] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5498] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114./strace-static-x86_64: Process 5503 attached ./strace-static-x86_64: Process 5502 attached [pid 5498] <... futex resumed>) = 0 [pid 5503] set_robust_list(0x55558a0856a0, 24 [pid 5502] set_robust_list(0x55558a0856a0, 24 [pid 5498] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... set_robust_list resumed>) = 0 [pid 5502] <... set_robust_list resumed>) = 0 [pid 5500] <... bpf resumed>) = 4 [pid 5503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5503 [pid 5501] <... bpf resumed>) = 3 [pid 5503] <... prctl resumed>) = 0 [pid 5502] <... prctl resumed>) = 0 [pid 5501] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] setpgid(0, 0 [pid 5502] setpgid(0, 0 [pid 5503] <... setpgid resumed>) = 0 [pid 5502] <... setpgid resumed>) = 0 [pid 5501] <... futex resumed>) = 1 [pid 5500] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... futex resumed>) = 0 [pid 5503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5501] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] <... futex resumed>) = 1 [pid 5499] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5502 [pid 5503] <... openat resumed>) = 3 [pid 5502] <... openat resumed>) = 3 [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5500] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] <... futex resumed>) = 0 [pid 5498] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] write(3, "1000", 4 [pid 5501] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5498] <... futex resumed>) = 0 [pid 5503] <... write resumed>) = 4 [pid 5500] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5499] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5503] close(3 [pid 5502] write(3, "1000", 4 [pid 5501] <... bpf resumed>) = 4 [pid 5503] <... close resumed>) = 0 [pid 5502] <... write resumed>) = 4 [pid 5502] close(3) = 0 [pid 5503] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... futex resumed>) = 0 [pid 5502] <... futex resumed>) = 0 [pid 5501] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5501] <... futex resumed>) = 1 [pid 5499] <... futex resumed>) = 0 [pid 5503] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5502] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5499] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5501] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5500] <... bpf resumed>) = 5 [pid 5499] <... futex resumed>) = 0 [pid 5497] <... bpf resumed>) = 5 [pid 5503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5499] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5497] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5497] <... futex resumed>) = 1 [pid 5503] <... mmap resumed>) = 0x7f7b61773000 [pid 5502] <... mmap resumed>) = 0x7f7b61773000 [pid 5501] <... bpf resumed>) = 5 [pid 5500] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5496] <... futex resumed>) = 0 [pid 5503] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5502] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5503] <... mprotect resumed>) = 0 [pid 5502] <... mprotect resumed>) = 0 [pid 5496] exit_group(0 [pid 5503] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5502] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5501] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... futex resumed>) = 1 [pid 5498] <... futex resumed>) = 0 [pid 5497] <... futex resumed>) = ? [pid 5496] <... exit_group resumed>) = ? [pid 5502] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5500] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5498] exit_group(0 [pid 5497] +++ exited with 0 +++ [pid 5502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5498] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5504 attached [pid 5500] <... futex resumed>) = ? [pid 5504] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5501] <... futex resumed>) = 1 [pid 5499] <... futex resumed>) = 0 [pid 5503] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5502] <... clone3 resumed> => {parent_tid=[5504]}, 88) = 5504 [pid 5501] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5496] +++ exited with 0 +++ [pid 5504] <... rseq resumed>) = 0 [pid 5503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5502] rt_sigprocmask(SIG_SETMASK, [], [pid 5499] exit_group(0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5505 attached [pid 5504] set_robust_list(0x7f7b617939a0, 24 [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5501] <... futex resumed>) = ? [pid 5499] <... exit_group resumed>) = ? [pid 5505] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5504] <... set_robust_list resumed>) = 0 [pid 5503] <... clone3 resumed> => {parent_tid=[5505]}, 88) = 5505 [pid 5502] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] +++ exited with 0 +++ [pid 5505] <... rseq resumed>) = 0 [pid 5504] rt_sigprocmask(SIG_SETMASK, [], [pid 5505] set_robust_list(0x7f7b617939a0, 24 [pid 5504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5503] rt_sigprocmask(SIG_SETMASK, [], [pid 5502] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5505] <... set_robust_list resumed>) = 0 [pid 5504] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5502] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] rt_sigprocmask(SIG_SETMASK, [], [pid 5504] <... bpf resumed>) = 3 [pid 5503] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5506 attached [pid 5506] set_robust_list(0x55558a0856a0, 24 [pid 5505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5506 [pid 5506] <... set_robust_list resumed>) = 0 [pid 5505] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5504] <... futex resumed>) = 1 [pid 5503] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] +++ exited with 0 +++ [pid 5498] +++ exited with 0 +++ [pid 5506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5505] <... bpf resumed>) = 3 [pid 5504] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] <... futex resumed>) = 0 [pid 5499] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5506] <... prctl resumed>) = 0 [pid 5505] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5506] setpgid(0, 0 [pid 5505] <... futex resumed>) = 1 [pid 5504] <... futex resumed>) = 0 [pid 5503] <... futex resumed>) = 0 [pid 5502] <... futex resumed>) = 1 [pid 5506] <... setpgid resumed>) = 0 [pid 5505] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5504] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5503] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5503] <... futex resumed>) = 0 [pid 5505] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5503] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5505] <... bpf resumed>) = 4 [pid 5504] <... bpf resumed>) = 4 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5505] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5508 attached ./strace-static-x86_64: Process 5507 attached [pid 5506] <... openat resumed>) = 3 [pid 5504] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] set_robust_list(0x55558a0856a0, 24 [pid 5506] write(3, "1000", 4 [pid 5505] <... futex resumed>) = 1 [pid 5504] <... futex resumed>) = 1 [pid 5503] <... futex resumed>) = 0 [pid 5507] set_robust_list(0x55558a0856a0, 24 [pid 5508] <... set_robust_list resumed>) = 0 [pid 5506] <... write resumed>) = 4 [pid 5505] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5504] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... futex resumed>) = 0 [pid 5507] <... set_robust_list resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5508 [pid 5508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5506] close(3 [pid 5503] <... futex resumed>) = 0 [pid 5507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5502] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5507 [pid 5508] <... prctl resumed>) = 0 [pid 5507] <... prctl resumed>) = 0 [pid 5506] <... close resumed>) = 0 [pid 5505] <... bpf resumed>) = 5 [pid 5504] <... futex resumed>) = 0 [pid 5503] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5502] <... futex resumed>) = 1 [pid 5508] setpgid(0, 0 [pid 5507] setpgid(0, 0 [pid 5506] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5502] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5508] <... setpgid resumed>) = 0 [pid 5507] <... setpgid resumed>) = 0 [pid 5506] <... futex resumed>) = 0 [pid 5505] <... futex resumed>) = 1 [pid 5504] <... bpf resumed>) = 5 [pid 5503] <... futex resumed>) = 0 [pid 5508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5506] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5505] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] exit_group(0) = ? [pid 5508] <... openat resumed>) = 3 [pid 5506] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5505] <... futex resumed>) = ? [pid 5504] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] write(3, "1000", 4 [pid 5506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5504] <... futex resumed>) = 1 [pid 5508] <... write resumed>) = 4 [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] close(3 [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5508] <... close resumed>) = 0 [pid 5507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5506] <... mmap resumed>) = 0x7f7b61773000 [pid 5502] <... futex resumed>) = 0 [pid 5508] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5502] exit_group(0 [pid 5508] <... futex resumed>) = 0 [pid 5506] <... mprotect resumed>) = 0 [pid 5504] <... futex resumed>) = ? [pid 5502] <... exit_group resumed>) = ? [pid 5508] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5507] <... openat resumed>) = 3 [pid 5506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5504] +++ exited with 0 +++ [pid 5508] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5508] <... mmap resumed>) = 0x7f7b61773000 ./strace-static-x86_64: Process 5509 attached [pid 5508] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5509] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5506] <... clone3 resumed> => {parent_tid=[5509]}, 88) = 5509 [pid 5509] <... rseq resumed>) = 0 [pid 5509] set_robust_list(0x7f7b617939a0, 24 [pid 5508] <... mprotect resumed>) = 0 [pid 5507] write(3, "1000", 4 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], [pid 5507] <... write resumed>) = 4 [pid 5507] close(3) = 0 [pid 5509] <... set_robust_list resumed>) = 0 [pid 5507] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5509] rt_sigprocmask(SIG_SETMASK, [], [pid 5508] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5507] <... futex resumed>) = 0 [pid 5506] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] +++ exited with 0 +++ [pid 5509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5506] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5509] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5508] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5507] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5506] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] <... bpf resumed>) = 3 [pid 5508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5507] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5509] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5506] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5510 attached [pid 5509] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] <... clone3 resumed> => {parent_tid=[5510]}, 88) = 5510 [pid 5507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5506] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5508] rt_sigprocmask(SIG_SETMASK, [], [pid 5506] <... futex resumed>) = 0 [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5509] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5506] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] +++ exited with 0 +++ [pid 5503] +++ exited with 0 +++ [pid 5508] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5511 attached [pid 5510] <... rseq resumed>) = 0 [pid 5509] <... bpf resumed>) = 4 [pid 5508] <... futex resumed>) = 0 [pid 5507] <... mmap resumed>) = 0x7f7b61773000 [pid 5078] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5508] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5511] set_robust_list(0x55558a0856a0, 24 [pid 5510] set_robust_list(0x7f7b617939a0, 24 [pid 5509] <... futex resumed>) = 1 [pid 5507] <... mprotect resumed>) = 0 [pid 5506] <... futex resumed>) = 0 [pid 5511] <... set_robust_list resumed>) = 0 [pid 5510] <... set_robust_list resumed>) = 0 [pid 5509] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5506] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5511 ./strace-static-x86_64: Process 5512 attached [pid 5511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5510] rt_sigprocmask(SIG_SETMASK, [], [pid 5509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5506] <... futex resumed>) = 0 [pid 5512] set_robust_list(0x55558a0856a0, 24 [pid 5511] <... prctl resumed>) = 0 [pid 5510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5509] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5506] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5512 ./strace-static-x86_64: Process 5513 attached [pid 5512] <... set_robust_list resumed>) = 0 [pid 5511] setpgid(0, 0 [pid 5510] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5513] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5511] <... setpgid resumed>) = 0 [pid 5507] <... clone3 resumed> => {parent_tid=[5513]}, 88) = 5513 [pid 5513] <... rseq resumed>) = 0 [pid 5512] setpgid(0, 0 [pid 5510] <... bpf resumed>) = 3 [pid 5513] set_robust_list(0x7f7b617939a0, 24 [pid 5512] <... setpgid resumed>) = 0 [pid 5511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5510] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] rt_sigprocmask(SIG_SETMASK, [], [pid 5513] <... set_robust_list resumed>) = 0 [pid 5512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5510] <... futex resumed>) = 1 [pid 5511] <... openat resumed>) = 3 [pid 5508] <... futex resumed>) = 0 [pid 5513] rt_sigprocmask(SIG_SETMASK, [], [pid 5512] <... openat resumed>) = 3 [pid 5510] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5511] write(3, "1000", 4 [pid 5510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5508] <... futex resumed>) = 0 [pid 5507] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5512] write(3, "1000", 4 [pid 5511] <... write resumed>) = 4 [pid 5510] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5508] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5513] <... bpf resumed>) = 3 [pid 5512] <... write resumed>) = 4 [pid 5511] close(3 [pid 5509] <... bpf resumed>) = 5 [pid 5507] <... futex resumed>) = 0 [pid 5509] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... close resumed>) = 0 [pid 5513] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] close(3 [pid 5509] <... futex resumed>) = 1 [pid 5507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5506] <... futex resumed>) = 0 [pid 5513] <... futex resumed>) = 0 [pid 5512] <... close resumed>) = 0 [pid 5511] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] exit_group(0 [pid 5512] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... futex resumed>) = 0 [pid 5509] <... futex resumed>) = ? [pid 5507] <... futex resumed>) = 0 [pid 5506] <... exit_group resumed>) = ? [pid 5510] <... bpf resumed>) = 4 [pid 5513] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5512] <... futex resumed>) = 0 [pid 5511] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5509] +++ exited with 0 +++ [pid 5507] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5511] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5510] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] +++ exited with 0 +++ [pid 5513] <... bpf resumed>) = 4 [pid 5512] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5510] <... futex resumed>) = 1 [pid 5508] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5510] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5508] <... futex resumed>) = 0 [pid 5513] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5508] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5511] <... mmap resumed>) = 0x7f7b61773000 [pid 5507] <... futex resumed>) = 0 [pid 5513] <... futex resumed>) = 1 [pid 5511] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5507] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5507] <... futex resumed>) = 0 [pid 5507] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5512] <... mmap resumed>) = 0x7f7b61773000 [pid 5511] <... mprotect resumed>) = 0 [pid 5512] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5511] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5512] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5514 attached [], 8) = 0 [pid 5511] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5515 attached [pid 5515] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5512] <... clone3 resumed> => {parent_tid=[5515]}, 88) = 5515 [pid 5511] <... clone3 resumed> => {parent_tid=[5516]}, 88) = 5516 ./strace-static-x86_64: Process 5516 attached [pid 5515] set_robust_list(0x7f7b617939a0, 24 [pid 5514] set_robust_list(0x55558a0856a0, 24 [pid 5512] rt_sigprocmask(SIG_SETMASK, [], [pid 5511] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5514 [pid 5516] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5515] <... set_robust_list resumed>) = 0 [pid 5514] <... set_robust_list resumed>) = 0 [pid 5516] <... rseq resumed>) = 0 [pid 5515] rt_sigprocmask(SIG_SETMASK, [], [pid 5512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5516] set_robust_list(0x7f7b617939a0, 24 [pid 5515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5512] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] <... set_robust_list resumed>) = 0 [pid 5515] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5514] <... prctl resumed>) = 0 [pid 5512] <... futex resumed>) = 0 [pid 5511] <... futex resumed>) = 0 [pid 5516] rt_sigprocmask(SIG_SETMASK, [], [pid 5515] <... bpf resumed>) = 3 [pid 5514] setpgid(0, 0 [pid 5512] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5515] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] <... setpgid resumed>) = 0 [pid 5516] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5515] <... futex resumed>) = 1 [pid 5512] <... futex resumed>) = 0 [pid 5516] <... bpf resumed>) = 3 [pid 5515] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5512] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5512] <... futex resumed>) = 0 [pid 5515] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5512] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5516] <... futex resumed>) = 1 [pid 5515] <... bpf resumed>) = 4 [pid 5514] <... openat resumed>) = 3 [pid 5511] <... futex resumed>) = 0 [pid 5516] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5515] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] write(3, "1000", 4 [pid 5513] <... bpf resumed>) = 5 [pid 5511] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... bpf resumed>) = 5 [pid 5516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5515] <... futex resumed>) = 1 [pid 5514] <... write resumed>) = 4 [pid 5513] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... futex resumed>) = 0 [pid 5511] <... futex resumed>) = 0 [pid 5510] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5515] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5514] close(3 [pid 5513] <... futex resumed>) = 1 [pid 5512] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5510] <... futex resumed>) = 1 [pid 5508] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5512] <... futex resumed>) = 0 [pid 5510] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] exit_group(0 [pid 5515] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5516] <... bpf resumed>) = 4 [pid 5512] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5510] <... futex resumed>) = ? [pid 5508] <... exit_group resumed>) = ? [pid 5516] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... bpf resumed>) = 5 [pid 5514] <... close resumed>) = 0 [pid 5510] +++ exited with 0 +++ [pid 5507] exit_group(0 [pid 5516] <... futex resumed>) = 1 [pid 5515] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... futex resumed>) = ? [pid 5511] <... futex resumed>) = 0 [pid 5507] <... exit_group resumed>) = ? [pid 5516] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5515] <... futex resumed>) = 1 [pid 5514] <... futex resumed>) = 0 [pid 5513] +++ exited with 0 +++ [pid 5512] <... futex resumed>) = 0 [pid 5511] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] +++ exited with 0 +++ [pid 5515] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5514] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5512] exit_group(0 [pid 5511] <... futex resumed>) = 0 [pid 5516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5515] <... futex resumed>) = ? [pid 5514] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5512] <... exit_group resumed>) = ? [pid 5511] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5516] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5515] +++ exited with 0 +++ [pid 5514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5514] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5514] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 5517 attached [pid 5512] +++ exited with 0 +++ [pid 5507] +++ exited with 0 +++ [pid 5517] set_robust_list(0x55558a0856a0, 24 [pid 5514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5512, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5517 [pid 5517] <... set_robust_list resumed>) = 0 [pid 5517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5507, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5517] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5518 attached [pid 5517] setpgid(0, 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5518] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5517] <... setpgid resumed>) = 0 [pid 5514] <... clone3 resumed> => {parent_tid=[5518]}, 88) = 5518 [pid 5518] <... rseq resumed>) = 0 [pid 5517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5514] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5519 attached [pid 5518] set_robust_list(0x7f7b617939a0, 24 [pid 5514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5519] set_robust_list(0x55558a0856a0, 24 [pid 5518] <... set_robust_list resumed>) = 0 [pid 5514] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5519 [pid 5517] <... openat resumed>) = 3 [pid 5519] <... set_robust_list resumed>) = 0 [pid 5518] rt_sigprocmask(SIG_SETMASK, [], [pid 5517] write(3, "1000", 4 [pid 5514] <... futex resumed>) = 0 [pid 5519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5517] <... write resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5519] <... prctl resumed>) = 0 [pid 5517] close(3 [pid 5519] setpgid(0, 0 [pid 5518] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5517] <... close resumed>) = 0 [pid 5514] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5520 attached [pid 5519] <... setpgid resumed>) = 0 [pid 5518] <... bpf resumed>) = 3 [pid 5517] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5518] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... futex resumed>) = 0 [pid 5520] set_robust_list(0x55558a0856a0, 24 [pid 5519] <... openat resumed>) = 3 [pid 5518] <... futex resumed>) = 1 [pid 5517] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5514] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5520 [pid 5518] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5517] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5520] <... set_robust_list resumed>) = 0 [pid 5514] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] write(3, "1000", 4 [pid 5517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5514] <... futex resumed>) = 0 [pid 5520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5519] <... write resumed>) = 4 [pid 5518] <... bpf resumed>) = 4 [pid 5517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5514] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] close(3 [pid 5518] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] <... prctl resumed>) = 0 [pid 5517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5520] setpgid(0, 0 [pid 5519] <... close resumed>) = 0 [pid 5518] <... futex resumed>) = 0 [pid 5517] <... mmap resumed>) = 0x7f7b61773000 [pid 5514] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] <... setpgid resumed>) = 0 [pid 5519] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5517] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5514] <... futex resumed>) = 0 [pid 5520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5519] <... futex resumed>) = 0 [pid 5517] <... mprotect resumed>) = 0 [pid 5514] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5519] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5517] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5520] <... openat resumed>) = 3 [pid 5517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5519] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5521 attached [pid 5520] write(3, "1000", 4 [pid 5519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5521] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5521] <... rseq resumed>) = 0 [pid 5520] <... write resumed>) = 4 [pid 5517] <... clone3 resumed> => {parent_tid=[5521]}, 88) = 5521 [pid 5521] set_robust_list(0x7f7b617939a0, 24 [pid 5520] close(3 [pid 5519] <... mmap resumed>) = 0x7f7b61773000 [pid 5517] rt_sigprocmask(SIG_SETMASK, [], [pid 5521] <... set_robust_list resumed>) = 0 [pid 5520] <... close resumed>) = 0 [pid 5518] <... bpf resumed>) = 5 [pid 5517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5516] <... bpf resumed>) = 5 [pid 5521] rt_sigprocmask(SIG_SETMASK, [], [pid 5520] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5517] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5518] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... futex resumed>) = 0 [pid 5516] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] <... mprotect resumed>) = 0 [pid 5517] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5521] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5520] <... futex resumed>) = 0 [pid 5518] <... futex resumed>) = 1 [pid 5516] <... futex resumed>) = 1 [pid 5514] <... futex resumed>) = 0 [pid 5511] <... futex resumed>) = 0 [pid 5521] <... bpf resumed>) = 3 [pid 5520] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5518] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5516] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5511] exit_group(0 [pid 5521] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5516] <... futex resumed>) = ? [pid 5511] <... exit_group resumed>) = ? [pid 5521] <... futex resumed>) = 0 [pid 5520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5519] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5516] +++ exited with 0 +++ [pid 5514] exit_group(0 [pid 5517] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5517] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5514] <... exit_group resumed>) = ? [pid 5520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5518] <... futex resumed>) = ? [pid 5521] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5518] +++ exited with 0 +++ [pid 5521] <... bpf resumed>) = 4 [pid 5520] <... mmap resumed>) = 0x7f7b61773000 [pid 5519] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5520] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5522 attached [pid 5522] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5519] <... clone3 resumed> => {parent_tid=[5522]}, 88) = 5522 [pid 5522] <... rseq resumed>) = 0 [pid 5520] <... mprotect resumed>) = 0 [pid 5519] rt_sigprocmask(SIG_SETMASK, [], [pid 5522] set_robust_list(0x7f7b617939a0, 24 [pid 5519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5522] <... set_robust_list resumed>) = 0 [pid 5519] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] rt_sigprocmask(SIG_SETMASK, [], [pid 5520] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5519] <... futex resumed>) = 0 [pid 5522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5519] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5521] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5522] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5521] <... futex resumed>) = 1 [pid 5520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5517] <... futex resumed>) = 0 [pid 5522] <... bpf resumed>) = 3 [pid 5521] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5517] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... futex resumed>) = 0 [pid 5522] <... futex resumed>) = 1 [pid 5521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5521] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5520] <... clone3 resumed> => {parent_tid=[5523]}, 88) = 5523 ./strace-static-x86_64: Process 5523 attached [pid 5522] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5520] rt_sigprocmask(SIG_SETMASK, [], [pid 5519] <... futex resumed>) = 0 [pid 5517] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5523] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5519] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] <... rseq resumed>) = 0 [pid 5523] set_robust_list(0x7f7b617939a0, 24 [pid 5522] <... futex resumed>) = 0 [pid 5520] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] <... futex resumed>) = 1 [pid 5523] <... set_robust_list resumed>) = 0 [pid 5522] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5520] <... futex resumed>) = 0 [pid 5519] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5523] rt_sigprocmask(SIG_SETMASK, [], [pid 5520] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5522] <... bpf resumed>) = 4 [pid 5522] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5522] <... futex resumed>) = 1 [pid 5519] <... futex resumed>) = 0 [pid 5522] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] <... bpf resumed>) = 3 [pid 5519] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5519] <... futex resumed>) = 0 [pid 5511] +++ exited with 0 +++ [pid 5522] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5519] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5523] <... futex resumed>) = 1 [pid 5520] <... futex resumed>) = 0 [pid 5514] +++ exited with 0 +++ [pid 5523] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5520] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5520] <... futex resumed>) = 0 [pid 5523] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5520] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5524 attached [pid 5523] <... bpf resumed>) = 4 [pid 5524] set_robust_list(0x55558a0856a0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5524 [pid 5524] <... set_robust_list resumed>) = 0 [pid 5524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5524] setpgid(0, 0) = 0 [pid 5523] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5525 attached [pid 5524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5525] set_robust_list(0x55558a0856a0, 24 [pid 5523] <... futex resumed>) = 1 [pid 5524] <... openat resumed>) = 3 [pid 5520] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5525 [pid 5525] <... set_robust_list resumed>) = 0 [pid 5524] write(3, "1000", 4 [pid 5523] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5520] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5524] <... write resumed>) = 4 [pid 5523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5520] <... futex resumed>) = 0 [pid 5525] <... prctl resumed>) = 0 [pid 5524] close(3 [pid 5523] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5520] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5525] setpgid(0, 0 [pid 5524] <... close resumed>) = 0 [pid 5525] <... setpgid resumed>) = 0 [pid 5524] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5524] <... futex resumed>) = 0 [pid 5521] <... bpf resumed>) = 5 [pid 5524] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5525] <... openat resumed>) = 3 [pid 5524] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5523] <... bpf resumed>) = 5 [pid 5522] <... bpf resumed>) = 5 [pid 5521] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] write(3, "1000", 4 [pid 5524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5523] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] <... futex resumed>) = 1 [pid 5517] <... futex resumed>) = 0 [pid 5525] <... write resumed>) = 4 [pid 5524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5523] <... futex resumed>) = 1 [pid 5521] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5520] <... futex resumed>) = 0 [pid 5517] exit_group(0 [pid 5522] <... futex resumed>) = 1 [pid 5525] close(3 [pid 5524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5523] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5520] exit_group(0 [pid 5519] <... futex resumed>) = 0 [pid 5525] <... close resumed>) = 0 [pid 5524] <... mmap resumed>) = 0x7f7b61773000 [pid 5523] <... futex resumed>) = ? [pid 5522] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5521] <... futex resumed>) = ? [pid 5520] <... exit_group resumed>) = ? [pid 5519] exit_group(0 [pid 5517] <... exit_group resumed>) = ? [pid 5525] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5523] +++ exited with 0 +++ [pid 5522] <... futex resumed>) = ? [pid 5521] +++ exited with 0 +++ [pid 5519] <... exit_group resumed>) = ? [pid 5525] <... futex resumed>) = 0 [pid 5524] <... mprotect resumed>) = 0 [pid 5522] +++ exited with 0 +++ [pid 5520] +++ exited with 0 +++ [pid 5525] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5525] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5524] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 5526 attached [pid 5525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5524] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5526] set_robust_list(0x55558a0856a0, 24 [pid 5525] <... mmap resumed>) = 0x7f7b61773000 [pid 5524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} => {parent_tid=[5527]}, 88) = 5527 [pid 5526] <... set_robust_list resumed>) = 0 [pid 5525] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5526] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5527 attached ) = 0 [pid 5525] <... mprotect resumed>) = 0 [pid 5524] rt_sigprocmask(SIG_SETMASK, [], [pid 5519] +++ exited with 0 +++ [pid 5517] +++ exited with 0 +++ [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5526 [pid 5527] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5526] setpgid(0, 0 [pid 5525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5527] <... rseq resumed>) = 0 [pid 5526] <... setpgid resumed>) = 0 [pid 5524] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5527] set_robust_list(0x7f7b617939a0, 24 [pid 5526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5524] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5528 attached [pid 5527] <... set_robust_list resumed>) = 0 [pid 5526] <... openat resumed>) = 3 [pid 5524] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5527] rt_sigprocmask(SIG_SETMASK, [], [pid 5525] <... clone3 resumed> => {parent_tid=[5528]}, 88) = 5528 [pid 5528] <... rseq resumed>) = 0 [pid 5525] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5528] set_robust_list(0x7f7b617939a0, 24 [pid 5525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5528] <... set_robust_list resumed>) = 0 [pid 5527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5526] write(3, "1000", 4 [pid 5525] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5528] rt_sigprocmask(SIG_SETMASK, [], [pid 5527] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5526] <... write resumed>) = 4 ./strace-static-x86_64: Process 5529 attached [pid 5528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5525] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5530 attached [pid 5527] <... bpf resumed>) = 3 [pid 5526] close(3 [pid 5525] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5530] set_robust_list(0x55558a0856a0, 24 [pid 5527] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] <... close resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5530 [pid 5528] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5530] <... set_robust_list resumed>) = 0 [pid 5527] <... futex resumed>) = 1 [pid 5526] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... futex resumed>) = 0 [pid 5530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5529] set_robust_list(0x55558a0856a0, 24 [pid 5528] <... bpf resumed>) = 3 [pid 5527] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] <... futex resumed>) = 0 [pid 5524] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... prctl resumed>) = 0 [pid 5529] <... set_robust_list resumed>) = 0 [pid 5528] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5526] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5524] <... futex resumed>) = 0 [pid 5530] setpgid(0, 0 [pid 5527] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5526] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5528] <... futex resumed>) = 1 [pid 5524] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5530] <... setpgid resumed>) = 0 [pid 5529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5528] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5525] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5529 [pid 5530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5529] <... prctl resumed>) = 0 [pid 5527] <... bpf resumed>) = 4 [pid 5526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5525] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] setpgid(0, 0 [pid 5528] <... futex resumed>) = 0 [pid 5526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5525] <... futex resumed>) = 1 [pid 5527] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... openat resumed>) = 3 [pid 5529] <... setpgid resumed>) = 0 [pid 5528] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5527] <... futex resumed>) = 1 [pid 5526] <... mmap resumed>) = 0x7f7b61773000 [pid 5525] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] <... futex resumed>) = 0 [pid 5530] write(3, "1000", 4 [pid 5529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5527] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5526] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5524] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... write resumed>) = 4 [pid 5526] <... mprotect resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5530] close(3 [pid 5529] <... openat resumed>) = 3 [pid 5528] <... bpf resumed>) = 4 [pid 5524] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5530] <... close resumed>) = 0 [pid 5529] write(3, "1000", 4 [pid 5528] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] <... bpf resumed>) = 5 [pid 5530] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... write resumed>) = 4 [pid 5528] <... futex resumed>) = 1 [pid 5526] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5525] <... futex resumed>) = 0 [pid 5527] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = 0 [pid 5529] close(3 [pid 5528] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] <... futex resumed>) = 1 [pid 5526] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5525] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... futex resumed>) = 0 [pid 5530] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5529] <... close resumed>) = 0 [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5525] <... futex resumed>) = 0 [pid 5524] exit_group(0 [pid 5530] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5527] <... futex resumed>) = ? [pid 5524] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5531 attached [pid 5530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5527] +++ exited with 0 +++ [pid 5529] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5525] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5531] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5526] <... clone3 resumed> => {parent_tid=[5531]}, 88) = 5531 [pid 5531] <... rseq resumed>) = 0 [pid 5530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5529] <... futex resumed>) = 0 [pid 5528] <... bpf resumed>) = 5 [pid 5526] rt_sigprocmask(SIG_SETMASK, [], [pid 5531] set_robust_list(0x7f7b617939a0, 24 [pid 5530] <... mmap resumed>) = 0x7f7b61773000 [pid 5529] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5531] <... set_robust_list resumed>) = 0 [pid 5530] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5529] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5528] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] rt_sigprocmask(SIG_SETMASK, [], [pid 5530] <... mprotect resumed>) = 0 [pid 5529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5528] <... futex resumed>) = 1 [pid 5526] <... futex resumed>) = 0 [pid 5525] <... futex resumed>) = 0 [pid 5531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5528] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] exit_group(0 [pid 5531] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5528] <... futex resumed>) = ? [pid 5525] <... exit_group resumed>) = ? [pid 5530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5529] <... mmap resumed>) = 0x7f7b61773000 [pid 5528] +++ exited with 0 +++ [pid 5531] <... bpf resumed>) = 3 [pid 5530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5529] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5531] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5531] <... futex resumed>) = 1 [pid 5526] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5532 attached [pid 5531] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5529] <... mprotect resumed>) = 0 [pid 5532] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5530] <... clone3 resumed> => {parent_tid=[5532]}, 88) = 5532 [pid 5526] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5530] rt_sigprocmask(SIG_SETMASK, [], [pid 5526] <... futex resumed>) = 0 [pid 5532] <... rseq resumed>) = 0 [pid 5531] <... bpf resumed>) = 4 [pid 5530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5526] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] set_robust_list(0x7f7b617939a0, 24 [pid 5529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5532] <... set_robust_list resumed>) = 0 [pid 5529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5532] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5530] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = 1 [pid 5531] <... futex resumed>) = 1 [pid 5530] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5526] <... futex resumed>) = 0 [pid 5531] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5526] <... futex resumed>) = 0 [pid 5531] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5526] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5533 attached [pid 5532] <... futex resumed>) = 0 [pid 5533] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5532] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5529] <... clone3 resumed> => {parent_tid=[5533]}, 88) = 5533 [pid 5525] +++ exited with 0 +++ [pid 5524] +++ exited with 0 +++ [pid 5532] <... bpf resumed>) = 3 [pid 5529] rt_sigprocmask(SIG_SETMASK, [], [pid 5533] set_robust_list(0x7f7b617939a0, 24 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5533] <... set_robust_list resumed>) = 0 [pid 5532] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5533] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5530] <... futex resumed>) = 0 [pid 5530] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5530] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] <... futex resumed>) = 1 [pid 5532] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5529] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5532] <... bpf resumed>) = 4 [pid 5532] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5535 attached ./strace-static-x86_64: Process 5534 attached [pid 5533] <... futex resumed>) = 0 [pid 5531] <... bpf resumed>) = 5 [pid 5529] <... futex resumed>) = 1 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5534 [pid 5535] set_robust_list(0x55558a0856a0, 24 [pid 5534] set_robust_list(0x55558a0856a0, 24 [pid 5533] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5532] <... futex resumed>) = 1 [pid 5531] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = 0 [pid 5529] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5535 [pid 5535] <... set_robust_list resumed>) = 0 [pid 5534] <... set_robust_list resumed>) = 0 [pid 5533] <... bpf resumed>) = 3 [pid 5532] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5531] <... futex resumed>) = 1 [pid 5530] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] <... futex resumed>) = 0 [pid 5533] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] <... bpf resumed>) = 5 [pid 5531] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5530] <... futex resumed>) = 0 [pid 5529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5526] exit_group(0 [pid 5534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5533] <... futex resumed>) = 0 [pid 5531] <... futex resumed>) = ? [pid 5530] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5529] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... prctl resumed>) = 0 [pid 5526] <... exit_group resumed>) = ? [pid 5532] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... prctl resumed>) = 0 [pid 5533] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5531] +++ exited with 0 +++ [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5529] <... futex resumed>) = 0 [pid 5535] setpgid(0, 0 [pid 5534] setpgid(0, 0 [pid 5529] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] <... futex resumed>) = 0 [pid 5530] exit_group(0 [pid 5532] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] <... setpgid resumed>) = 0 [pid 5534] <... setpgid resumed>) = 0 [pid 5533] <... bpf resumed>) = 4 [pid 5532] <... futex resumed>) = ? [pid 5530] <... exit_group resumed>) = ? [pid 5535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5532] +++ exited with 0 +++ [pid 5535] <... openat resumed>) = 3 [pid 5534] write(3, "1000", 4) = 4 [pid 5535] write(3, "1000", 4 [pid 5534] close(3 [pid 5533] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... write resumed>) = 4 [pid 5534] <... close resumed>) = 0 [pid 5535] close(3 [pid 5534] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] <... futex resumed>) = 1 [pid 5529] <... futex resumed>) = 0 [pid 5535] <... close resumed>) = 0 [pid 5534] <... futex resumed>) = 0 [pid 5533] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5529] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5529] <... futex resumed>) = 0 [pid 5535] <... futex resumed>) = 0 [pid 5534] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5533] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5529] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5535] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5535] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5534] <... mmap resumed>) = 0x7f7b61773000 [pid 5535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5534] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5535] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5534] <... mprotect resumed>) = 0 [pid 5530] +++ exited with 0 +++ [pid 5526] +++ exited with 0 +++ [pid 5535] <... mprotect resumed>) = 0 [pid 5535] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5536 attached [pid 5535] <... clone3 resumed> => {parent_tid=[5536]}, 88) = 5536 [pid 5536] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5535] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... restart_syscall resumed>) = 0 [pid 5536] <... rseq resumed>) = 0 [pid 5535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5536] set_robust_list(0x7f7b617939a0, 24 [pid 5535] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... set_robust_list resumed>) = 0 [pid 5535] <... futex resumed>) = 0 [pid 5534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5536] rt_sigprocmask(SIG_SETMASK, [], [pid 5535] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5536] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5536] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5537 attached ) = 1 [pid 5535] <... futex resumed>) = 0 [pid 5535] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5537] set_robust_list(0x55558a0856a0, 24 [pid 5536] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5535] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5538 attached [pid 5537] <... set_robust_list resumed>) = 0 [pid 5536] <... bpf resumed>) = 4 [pid 5535] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] <... clone3 resumed> => {parent_tid=[5538]}, 88) = 5538 [pid 5538] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5534] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5537 [pid 5538] <... rseq resumed>) = 0 [pid 5534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5538] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5534] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] rt_sigprocmask(SIG_SETMASK, [], [pid 5534] <... futex resumed>) = 0 [pid 5537] <... prctl resumed>) = 0 [pid 5534] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5537] setpgid(0, 0 [pid 5536] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5537] <... setpgid resumed>) = 0 [pid 5536] <... futex resumed>) = 1 [pid 5535] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5539 attached [pid 5538] <... bpf resumed>) = 3 [pid 5537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5536] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] set_robust_list(0x55558a0856a0, 24 [pid 5538] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... openat resumed>) = 3 [pid 5536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5535] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5539 [pid 5539] <... set_robust_list resumed>) = 0 [pid 5538] <... futex resumed>) = 1 [pid 5534] <... futex resumed>) = 0 [pid 5533] <... bpf resumed>) = 5 [pid 5539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5538] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5537] write(3, "1000", 4 [pid 5536] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5535] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5534] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... prctl resumed>) = 0 [pid 5538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5537] <... write resumed>) = 4 [pid 5536] <... bpf resumed>) = 5 [pid 5534] <... futex resumed>) = 0 [pid 5533] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] setpgid(0, 0 [pid 5538] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5537] close(3 [pid 5534] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5533] <... futex resumed>) = 1 [pid 5529] <... futex resumed>) = 0 [pid 5536] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] <... setpgid resumed>) = 0 [pid 5537] <... close resumed>) = 0 [pid 5536] <... futex resumed>) = 1 [pid 5535] <... futex resumed>) = 0 [pid 5529] exit_group(0 [pid 5539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5537] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] exit_group(0 [pid 5539] <... openat resumed>) = 3 [pid 5537] <... futex resumed>) = 0 [pid 5535] <... exit_group resumed>) = ? [pid 5533] <... futex resumed>) = ? [pid 5529] <... exit_group resumed>) = ? [pid 5539] write(3, "1000", 4 [pid 5538] <... bpf resumed>) = 4 [pid 5537] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5536] +++ exited with 0 +++ [pid 5535] +++ exited with 0 +++ [pid 5533] +++ exited with 0 +++ [pid 5537] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5537] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5537] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5539] <... write resumed>) = 4 [pid 5538] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5529] +++ exited with 0 +++ [pid 5539] close(3 [pid 5537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5539] <... close resumed>) = 0 [pid 5538] <... futex resumed>) = 1 [pid 5534] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5539] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5540 attached [pid 5537] <... clone3 resumed> => {parent_tid=[5540]}, 88) = 5540 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5540] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5539] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5538] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5537] rt_sigprocmask(SIG_SETMASK, [], [pid 5534] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5540] <... rseq resumed>) = 0 [pid 5537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5540] set_robust_list(0x7f7b617939a0, 24 [pid 5537] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... set_robust_list resumed>) = 0 [pid 5537] <... futex resumed>) = 0 [pid 5540] rt_sigprocmask(SIG_SETMASK, [], [pid 5539] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5537] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] <... futex resumed>) = 0 [pid 5540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5534] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5540] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5540] <... bpf resumed>) = 3 [pid 5540] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5541 attached [pid 5539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5538] <... bpf resumed>) = 5 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5538] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] set_robust_list(0x55558a0856a0, 24 [pid 5540] <... futex resumed>) = 1 [pid 5539] <... mmap resumed>) = 0x7f7b61773000 [pid 5537] <... futex resumed>) = 0 [pid 5541] <... set_robust_list resumed>) = 0 [pid 5540] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5537] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5539] <... mprotect resumed>) = 0 [pid 5537] <... futex resumed>) = 0 [pid 5540] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114./strace-static-x86_64: Process 5542 attached [pid 5541] <... prctl resumed>) = 0 [pid 5539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5538] <... futex resumed>) = 1 [pid 5537] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5542 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5541 [pid 5542] set_robust_list(0x55558a0856a0, 24 [pid 5541] setpgid(0, 0 [pid 5540] <... bpf resumed>) = 4 [pid 5539] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5538] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5534] exit_group(0 [pid 5542] <... set_robust_list resumed>) = 0 [pid 5541] <... setpgid resumed>) = 0 [pid 5540] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5538] <... futex resumed>) = ? [pid 5534] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5543 attached [pid 5542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5540] <... futex resumed>) = 1 [pid 5538] +++ exited with 0 +++ [pid 5537] <... futex resumed>) = 0 [pid 5540] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5537] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5539] <... clone3 resumed> => {parent_tid=[5543]}, 88) = 5543 [pid 5537] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5543] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5542] <... prctl resumed>) = 0 [pid 5543] <... rseq resumed>) = 0 [pid 5542] setpgid(0, 0 [pid 5541] <... openat resumed>) = 3 [pid 5543] set_robust_list(0x7f7b617939a0, 24 [pid 5542] <... setpgid resumed>) = 0 [pid 5543] <... set_robust_list resumed>) = 0 [pid 5542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5541] write(3, "1000", 4 [pid 5540] <... bpf resumed>) = 5 [pid 5539] rt_sigprocmask(SIG_SETMASK, [], [pid 5543] rt_sigprocmask(SIG_SETMASK, [], [pid 5541] <... write resumed>) = 4 [pid 5540] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5542] <... openat resumed>) = 3 [pid 5543] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] write(3, "1000", 4) = 4 [pid 5541] close(3 [pid 5540] <... futex resumed>) = 1 [pid 5539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5537] <... futex resumed>) = 0 [pid 5542] close(3 [pid 5541] <... close resumed>) = 0 [pid 5540] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] exit_group(0 [pid 5542] <... close resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5541] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... futex resumed>) = ? [pid 5539] <... futex resumed>) = 1 [pid 5537] <... exit_group resumed>) = ? [pid 5543] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5542] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5540] +++ exited with 0 +++ [pid 5539] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5542] <... futex resumed>) = 0 [pid 5541] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5542] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5543] <... bpf resumed>) = 3 [pid 5542] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5543] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5543] <... futex resumed>) = 1 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5541] <... mmap resumed>) = 0x7f7b61773000 [pid 5539] <... futex resumed>) = 0 [pid 5543] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5541] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5539] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5542] <... mmap resumed>) = 0x7f7b61773000 [pid 5541] <... mprotect resumed>) = 0 [pid 5539] <... futex resumed>) = 0 [pid 5543] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5542] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5539] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] <... mprotect resumed>) = 0 [pid 5541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5543] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5544 attached [pid 5542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5544] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5543] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5544] <... rseq resumed>) = 0 [pid 5544] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5543] <... futex resumed>) = 1 [pid 5544] rt_sigprocmask(SIG_SETMASK, [], [pid 5543] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5541] <... clone3 resumed> => {parent_tid=[5544]}, 88) = 5544 [pid 5539] <... futex resumed>) = 0 [pid 5541] rt_sigprocmask(SIG_SETMASK, [], [pid 5539] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5539] <... futex resumed>) = 0 [pid 5541] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5541] <... futex resumed>) = 0 [pid 5541] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5545 attached [pid 5545] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5542] <... clone3 resumed> => {parent_tid=[5545]}, 88) = 5545 [pid 5545] <... rseq resumed>) = 0 [pid 5542] rt_sigprocmask(SIG_SETMASK, [], [pid 5545] set_robust_list(0x7f7b617939a0, 24 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5545] <... set_robust_list resumed>) = 0 [pid 5542] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] rt_sigprocmask(SIG_SETMASK, [], [pid 5542] <... futex resumed>) = 0 [pid 5545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5542] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5545] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5543] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5545] <... bpf resumed>) = 3 [pid 5545] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5545] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5544] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5542] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] +++ exited with 0 +++ [pid 5534] +++ exited with 0 +++ [pid 5545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5544] <... bpf resumed>) = 3 [pid 5542] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5545] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5544] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5544] <... futex resumed>) = 1 [pid 5541] <... futex resumed>) = 0 [pid 5545] <... bpf resumed>) = 4 [pid 5544] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5541] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5545] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] <... bpf resumed>) = 4 [pid 5541] <... futex resumed>) = 0 [pid 5541] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5545] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5546 attached [pid 5545] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] set_robust_list(0x55558a0856a0, 24 [pid 5542] <... futex resumed>) = 0 [pid 5546] <... set_robust_list resumed>) = 0 [pid 5542] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5545] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = 1 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5546 ./strace-static-x86_64: Process 5547 attached [pid 5545] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5544] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5547] set_robust_list(0x55558a0856a0, 24 [pid 5546] <... prctl resumed>) = 0 [pid 5544] <... futex resumed>) = 1 [pid 5541] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5547 [pid 5547] <... set_robust_list resumed>) = 0 [pid 5546] setpgid(0, 0 [pid 5544] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5541] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5541] <... futex resumed>) = 0 [pid 5544] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5541] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5547] <... prctl resumed>) = 0 [pid 5546] <... setpgid resumed>) = 0 [pid 5547] setpgid(0, 0 [pid 5546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5547] <... setpgid resumed>) = 0 [pid 5546] <... openat resumed>) = 3 [pid 5547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5546] write(3, "1000", 4) = 4 [pid 5546] close(3 [pid 5547] write(3, "1000", 4 [pid 5546] <... close resumed>) = 0 [pid 5547] <... write resumed>) = 4 [pid 5546] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] close(3) = 0 [pid 5546] <... futex resumed>) = 0 [pid 5547] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5547] <... futex resumed>) = 0 [pid 5546] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5547] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5547] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5546] <... mmap resumed>) = 0x7f7b61773000 [pid 5547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5546] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5547] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5546] <... mprotect resumed>) = 0 [pid 5547] <... mprotect resumed>) = 0 [pid 5546] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5547] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5546] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5547] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5548 attached [pid 5548] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5548] set_robust_list(0x7f7b617939a0, 24 [pid 5546] <... clone3 resumed> => {parent_tid=[5548]}, 88) = 5548 [pid 5547] <... clone3 resumed> => {parent_tid=[5549]}, 88) = 5549 [pid 5546] rt_sigprocmask(SIG_SETMASK, [], [pid 5547] rt_sigprocmask(SIG_SETMASK, [], [pid 5546] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5549 attached [pid 5548] <... set_robust_list resumed>) = 0 [pid 5547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5546] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... bpf resumed>) = 5 [pid 5544] <... bpf resumed>) = 5 [pid 5543] <... bpf resumed>) = 5 [pid 5549] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5548] rt_sigprocmask(SIG_SETMASK, [], [pid 5547] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... futex resumed>) = 0 [pid 5543] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] <... rseq resumed>) = 0 [pid 5548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5547] <... futex resumed>) = 0 [pid 5546] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5545] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] set_robust_list(0x7f7b617939a0, 24 [pid 5548] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5547] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5545] <... futex resumed>) = 1 [pid 5544] <... futex resumed>) = 1 [pid 5543] <... futex resumed>) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5541] <... futex resumed>) = 0 [pid 5539] <... futex resumed>) = 0 [pid 5549] <... set_robust_list resumed>) = 0 [pid 5548] <... bpf resumed>) = 3 [pid 5545] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5544] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5543] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] exit_group(0 [pid 5541] exit_group(0 [pid 5539] exit_group(0 [pid 5549] rt_sigprocmask(SIG_SETMASK, [], [pid 5548] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = ? [pid 5544] <... futex resumed>) = ? [pid 5543] <... futex resumed>) = ? [pid 5542] <... exit_group resumed>) = ? [pid 5541] <... exit_group resumed>) = ? [pid 5539] <... exit_group resumed>) = ? [pid 5549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5548] <... futex resumed>) = 1 [pid 5546] <... futex resumed>) = 0 [pid 5545] +++ exited with 0 +++ [pid 5544] +++ exited with 0 +++ [pid 5543] +++ exited with 0 +++ [pid 5542] +++ exited with 0 +++ [pid 5549] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5548] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] <... futex resumed>) = 0 [pid 5549] <... bpf resumed>) = 3 [pid 5548] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5546] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5549] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... futex resumed>) = 0 [pid 5549] <... futex resumed>) = 1 [pid 5547] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5549] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5547] <... futex resumed>) = 0 [pid 5549] <... bpf resumed>) = 4 [pid 5548] <... bpf resumed>) = 4 [pid 5547] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5550 attached [pid 5549] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] set_robust_list(0x55558a0856a0, 24 [pid 5548] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] +++ exited with 0 +++ [pid 5539] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5550 [pid 5550] <... set_robust_list resumed>) = 0 [pid 5549] <... futex resumed>) = 1 [pid 5548] <... futex resumed>) = 1 [pid 5547] <... futex resumed>) = 0 [pid 5546] <... futex resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5549] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5548] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5547] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5550] <... prctl resumed>) = 0 [pid 5549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5547] <... futex resumed>) = 0 [pid 5546] <... futex resumed>) = 0 [pid 5547] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5546] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5549] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5548] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5550] setpgid(0, 0) = 0 [pid 5550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5551 attached [pid 5551] set_robust_list(0x55558a0856a0, 24 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5551] <... set_robust_list resumed>) = 0 [pid 5550] <... openat resumed>) = 3 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5551 [pid 5551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5550] write(3, "1000", 4 [pid 5551] setpgid(0, 0 [pid 5550] <... write resumed>) = 4 [pid 5551] <... setpgid resumed>) = 0 [pid 5550] close(3 [pid 5551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5550] <... close resumed>) = 0 [pid 5550] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5552 attached [pid 5551] <... openat resumed>) = 3 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5552 [pid 5552] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5550] <... futex resumed>) = 0 [pid 5552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5550] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5552] <... prctl resumed>) = 0 [pid 5551] write(3, "1000", 4 [pid 5550] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5552] setpgid(0, 0 [pid 5551] <... write resumed>) = 4 [pid 5550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5552] <... setpgid resumed>) = 0 [pid 5551] close(3 [pid 5550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] <... close resumed>) = 0 [pid 5550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5551] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... mmap resumed>) = 0x7f7b61773000 [pid 5551] <... futex resumed>) = 0 [pid 5550] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5552] <... openat resumed>) = 3 [pid 5551] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5550] <... mprotect resumed>) = 0 [pid 5551] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5552] write(3, "1000", 4 [pid 5551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5550] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5552] <... write resumed>) = 4 [pid 5550] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5552] close(3 [pid 5550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5552] <... close resumed>) = 0 ./strace-static-x86_64: Process 5553 attached [pid 5551] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5553] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5552] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... mprotect resumed>) = 0 [pid 5550] <... clone3 resumed> => {parent_tid=[5553]}, 88) = 5553 [pid 5553] <... rseq resumed>) = 0 [pid 5552] <... futex resumed>) = 0 [pid 5551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5554 attached [pid 5548] <... bpf resumed>) = 5 [pid 5550] rt_sigprocmask(SIG_SETMASK, [], [pid 5554] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5551] <... clone3 resumed> => {parent_tid=[5554]}, 88) = 5554 [pid 5549] <... bpf resumed>) = 5 [pid 5554] <... rseq resumed>) = 0 [pid 5553] set_robust_list(0x7f7b617939a0, 24 [pid 5552] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5551] rt_sigprocmask(SIG_SETMASK, [], [pid 5550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5553] <... set_robust_list resumed>) = 0 [pid 5552] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5550] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5550] <... futex resumed>) = 0 [pid 5548] <... futex resumed>) = 1 [pid 5553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5550] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5553] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5554] set_robust_list(0x7f7b617939a0, 24 [pid 5552] <... mmap resumed>) = 0x7f7b61773000 [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5549] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... futex resumed>) = 0 [pid 5554] <... set_robust_list resumed>) = 0 [pid 5553] <... bpf resumed>) = 3 [pid 5552] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5551] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] <... futex resumed>) = 1 [pid 5547] <... futex resumed>) = 0 [pid 5546] exit_group(0 [pid 5554] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] <... mprotect resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5549] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5548] <... futex resumed>) = ? [pid 5547] exit_group(0 [pid 5546] <... exit_group resumed>) = ? [pid 5554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5553] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5551] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5549] <... futex resumed>) = ? [pid 5548] +++ exited with 0 +++ [pid 5547] <... exit_group resumed>) = ? [pid 5554] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5553] <... futex resumed>) = 1 [pid 5552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5550] <... futex resumed>) = 0 [pid 5554] <... bpf resumed>) = 3 [pid 5553] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5550] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5555 attached [pid 5554] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5550] <... futex resumed>) = 0 [pid 5555] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5554] <... futex resumed>) = 1 [pid 5553] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5551] <... futex resumed>) = 0 [pid 5550] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... clone3 resumed> => {parent_tid=[5555]}, 88) = 5555 [pid 5555] <... rseq resumed>) = 0 [pid 5554] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] <... bpf resumed>) = 4 [pid 5552] rt_sigprocmask(SIG_SETMASK, [], [pid 5551] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] set_robust_list(0x7f7b617939a0, 24 [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5553] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5555] <... set_robust_list resumed>) = 0 [pid 5554] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5553] <... futex resumed>) = 1 [pid 5552] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5550] <... futex resumed>) = 0 [pid 5555] rt_sigprocmask(SIG_SETMASK, [], [pid 5553] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] <... futex resumed>) = 0 [pid 5555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5550] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5550] <... futex resumed>) = 0 [pid 5555] <... bpf resumed>) = 3 [pid 5554] <... bpf resumed>) = 4 [pid 5553] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5550] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5555] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... futex resumed>) = 1 [pid 5554] <... futex resumed>) = 1 [pid 5552] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5555] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5552] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5555] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5554] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5552] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5555] <... bpf resumed>) = 4 [pid 5546] +++ exited with 0 +++ [pid 5555] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] +++ exited with 0 +++ [pid 5547] +++ exited with 0 +++ [pid 5555] <... futex resumed>) = 1 [pid 5552] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5555] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5552] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5555] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 5556 attached [pid 5556] set_robust_list(0x55558a0856a0, 24 [pid 5552] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5556] <... set_robust_list resumed>) = 0 [pid 5556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5556] setpgid(0, 0) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5557 attached [pid 5556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5556 [pid 5557] set_robust_list(0x55558a0856a0, 24 [pid 5556] <... openat resumed>) = 3 [pid 5557] <... set_robust_list resumed>) = 0 [pid 5556] write(3, "1000", 4 [pid 5557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5556] <... write resumed>) = 4 [pid 5557] <... prctl resumed>) = 0 [pid 5556] close(3 [pid 5557] setpgid(0, 0) = 0 [pid 5556] <... close resumed>) = 0 [pid 5557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5556] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... openat resumed>) = 3 [pid 5556] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5557 [pid 5557] write(3, "1000", 4 [pid 5556] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5557] <... write resumed>) = 4 [pid 5556] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5557] close(3 [pid 5556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5557] <... close resumed>) = 0 [pid 5556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5557] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5557] <... futex resumed>) = 0 [pid 5557] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5556] <... mmap resumed>) = 0x7f7b61773000 [pid 5557] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5556] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5556] <... mprotect resumed>) = 0 [pid 5557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5557] <... mmap resumed>) = 0x7f7b61773000 [pid 5556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5557] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5558 attached ) = 0 [pid 5556] <... clone3 resumed> => {parent_tid=[5558]}, 88) = 5558 [pid 5558] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5555] <... bpf resumed>) = 5 [pid 5554] <... bpf resumed>) = 5 [pid 5553] <... bpf resumed>) = 5 [pid 5557] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5556] rt_sigprocmask(SIG_SETMASK, [], [pid 5555] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] <... rseq resumed>) = 0 [pid 5553] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] set_robust_list(0x7f7b617939a0, 24 [pid 5553] <... futex resumed>) = 1 [pid 5558] <... set_robust_list resumed>) = 0 [pid 5553] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5558] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... futex resumed>) = 0 [pid 5554] <... futex resumed>) = 1 [pid 5551] exit_group(0 [pid 5554] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5551] <... exit_group resumed>) = ? [pid 5554] +++ exited with 0 +++ [pid 5557] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5555] <... futex resumed>) = 1 [pid 5550] <... futex resumed>) = 0 [pid 5555] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5556] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5550] exit_group(0 [pid 5556] <... futex resumed>) = 1 [pid 5552] <... futex resumed>) = 0 [pid 5558] <... futex resumed>) = 0 [pid 5552] exit_group(0 [pid 5558] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5555] <... futex resumed>) = ? [pid 5552] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5559 attached [pid 5558] <... bpf resumed>) = 3 [pid 5553] <... futex resumed>) = ? [pid 5551] +++ exited with 0 +++ [pid 5557] <... clone3 resumed> => {parent_tid=[5559]}, 88) = 5559 [pid 5556] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5555] +++ exited with 0 +++ [pid 5558] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] +++ exited with 0 +++ [pid 5559] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5559] <... rseq resumed>) = 0 [pid 5558] <... futex resumed>) = 1 [pid 5557] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... futex resumed>) = 0 [pid 5550] <... exit_group resumed>) = ? [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5559] set_robust_list(0x7f7b617939a0, 24 [pid 5558] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] <... futex resumed>) = 0 [pid 5556] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5559] <... set_robust_list resumed>) = 0 [pid 5558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5557] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] <... futex resumed>) = 0 [pid 5559] rt_sigprocmask(SIG_SETMASK, [], [pid 5556] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5558] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5559] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5560 attached [pid 5559] <... bpf resumed>) = 3 [pid 5560] set_robust_list(0x55558a0856a0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5560 [pid 5560] <... set_robust_list resumed>) = 0 [pid 5559] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] <... bpf resumed>) = 4 [pid 5559] <... futex resumed>) = 1 [pid 5558] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5558] <... futex resumed>) = 1 [pid 5557] <... futex resumed>) = 0 [pid 5560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5557] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... futex resumed>) = 0 [pid 5560] <... prctl resumed>) = 0 [pid 5558] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5557] <... futex resumed>) = 1 [pid 5556] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] setpgid(0, 0 [pid 5559] <... futex resumed>) = 0 [pid 5557] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] <... futex resumed>) = 0 [pid 5560] <... setpgid resumed>) = 0 [pid 5556] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5550] +++ exited with 0 +++ [pid 5559] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5560] <... openat resumed>) = 3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5560] write(3, "1000", 4 [pid 5552] +++ exited with 0 +++ [pid 5559] <... bpf resumed>) = 4 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5560] <... write resumed>) = 4 [pid 5559] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5559] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5561 attached [pid 5560] close(3 [pid 5557] <... futex resumed>) = 0 [pid 5560] <... close resumed>) = 0 [pid 5557] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5561 [pid 5560] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... futex resumed>) = 0 [pid 5561] set_robust_list(0x55558a0856a0, 24 [pid 5560] <... futex resumed>) = 0 [pid 5559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5557] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5561] <... set_robust_list resumed>) = 0 [pid 5560] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5559] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5560] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5559] <... bpf resumed>) = 5 [pid 5558] <... bpf resumed>) = 5 [pid 5561] <... prctl resumed>) = 0 [pid 5560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5559] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] setpgid(0, 0 [pid 5560] <... mmap resumed>) = 0x7f7b61773000 [pid 5559] <... futex resumed>) = 1 [pid 5558] <... futex resumed>) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5557] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5562 attached [pid 5561] <... setpgid resumed>) = 0 [pid 5560] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5559] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5558] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] exit_group(0 [pid 5556] exit_group(0 [pid 5562] set_robust_list(0x55558a0856a0, 24 [pid 5561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5560] <... mprotect resumed>) = 0 [pid 5561] <... openat resumed>) = 3 [pid 5560] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5562] <... set_robust_list resumed>) = 0 [pid 5561] write(3, "1000", 4 [pid 5560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5559] <... futex resumed>) = ? [pid 5558] <... futex resumed>) = ? [pid 5557] <... exit_group resumed>) = ? [pid 5556] <... exit_group resumed>) = ? [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5562 ./strace-static-x86_64: Process 5563 attached [pid 5562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5561] <... write resumed>) = 4 [pid 5559] +++ exited with 0 +++ [pid 5558] +++ exited with 0 +++ [pid 5563] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5562] <... prctl resumed>) = 0 [pid 5563] set_robust_list(0x7f7b617939a0, 24 [pid 5562] setpgid(0, 0 [pid 5563] <... set_robust_list resumed>) = 0 [pid 5563] rt_sigprocmask(SIG_SETMASK, [], [pid 5562] <... setpgid resumed>) = 0 [pid 5557] +++ exited with 0 +++ [pid 5563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5563] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5562] write(3, "1000", 4) = 4 [pid 5561] close(3 [pid 5560] <... clone3 resumed> => {parent_tid=[5563]}, 88) = 5563 [pid 5556] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5557, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5561] <... close resumed>) = 0 [pid 5562] close(3 [pid 5560] rt_sigprocmask(SIG_SETMASK, [], [pid 5562] <... close resumed>) = 0 [pid 5561] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5562] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... futex resumed>) = 0 [pid 5560] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] <... futex resumed>) = 0 [pid 5562] <... futex resumed>) = 0 [pid 5561] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5560] <... futex resumed>) = 1 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5563] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5562] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5561] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5560] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5563] <... bpf resumed>) = 3 [pid 5562] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5563] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5563] <... futex resumed>) = 1 [pid 5562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5560] <... futex resumed>) = 0 [pid 5563] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5560] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5564 attached [pid 5563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5560] <... futex resumed>) = 0 [pid 5564] set_robust_list(0x55558a0856a0, 24 [pid 5563] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5562] <... mmap resumed>) = 0x7f7b61773000 [pid 5561] <... mmap resumed>) = 0x7f7b61773000 [pid 5560] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5564 ./strace-static-x86_64: Process 5565 attached [pid 5564] <... set_robust_list resumed>) = 0 [pid 5565] set_robust_list(0x55558a0856a0, 24 [pid 5562] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5561] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5565] <... set_robust_list resumed>) = 0 [pid 5564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5563] <... bpf resumed>) = 4 [pid 5562] <... mprotect resumed>) = 0 [pid 5561] <... mprotect resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5565 [pid 5565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5564] <... prctl resumed>) = 0 [pid 5561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5564] setpgid(0, 0 [pid 5563] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5564] <... setpgid resumed>) = 0 [pid 5565] setpgid(0, 0 [pid 5564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5563] <... futex resumed>) = 1 [pid 5562] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5560] <... futex resumed>) = 0 [pid 5565] <... setpgid resumed>) = 0 [pid 5564] <... openat resumed>) = 3 [pid 5563] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5560] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5564] write(3, "1000", 4 [pid 5563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5566 attached [pid 5564] <... write resumed>) = 4 [pid 5563] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5560] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5567 attached [pid 5566] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5565] <... openat resumed>) = 3 [pid 5564] close(3 [pid 5563] <... bpf resumed>) = 5 [pid 5567] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5566] <... rseq resumed>) = 0 [pid 5565] write(3, "1000", 4 [pid 5564] <... close resumed>) = 0 [pid 5563] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... clone3 resumed> => {parent_tid=[5567]}, 88) = 5567 [pid 5561] <... clone3 resumed> => {parent_tid=[5566]}, 88) = 5566 [pid 5560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5567] <... rseq resumed>) = 0 [pid 5566] set_robust_list(0x7f7b617939a0, 24 [pid 5565] <... write resumed>) = 4 [pid 5564] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] <... futex resumed>) = 0 [pid 5562] rt_sigprocmask(SIG_SETMASK, [], [pid 5561] rt_sigprocmask(SIG_SETMASK, [], [pid 5560] exit_group(0 [pid 5567] set_robust_list(0x7f7b617939a0, 24 [pid 5566] <... set_robust_list resumed>) = 0 [pid 5565] close(3 [pid 5564] <... futex resumed>) = 0 [pid 5562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5560] <... exit_group resumed>) = ? [pid 5567] <... set_robust_list resumed>) = 0 [pid 5566] rt_sigprocmask(SIG_SETMASK, [], [pid 5565] <... close resumed>) = 0 [pid 5564] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5563] +++ exited with 0 +++ [pid 5562] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] rt_sigprocmask(SIG_SETMASK, [], [pid 5566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5565] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5562] <... futex resumed>) = 0 [pid 5561] <... futex resumed>) = 0 [pid 5567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5562] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5561] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5565] <... futex resumed>) = 0 [pid 5564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5567] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5566] <... bpf resumed>) = 3 [pid 5565] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5567] <... bpf resumed>) = 3 [pid 5566] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5560] +++ exited with 0 +++ [pid 5567] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = 1 [pid 5565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5564] <... mmap resumed>) = 0x7f7b61773000 [pid 5561] <... futex resumed>) = 0 [pid 5567] <... futex resumed>) = 1 [pid 5566] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5564] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5562] <... futex resumed>) = 0 [pid 5561] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5567] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5564] <... mprotect resumed>) = 0 [pid 5562] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... futex resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5566] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5565] <... mmap resumed>) = 0x7f7b61773000 [pid 5564] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5562] <... futex resumed>) = 0 [pid 5561] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... restart_syscall resumed>) = 0 [pid 5567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5565] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5564] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5562] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] <... bpf resumed>) = 4 [pid 5565] <... mprotect resumed>) = 0 [pid 5564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5568 attached [pid 5566] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5566] <... futex resumed>) = 1 [pid 5561] <... futex resumed>) = 0 [pid 5568] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5566] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5564] <... clone3 resumed> => {parent_tid=[5568]}, 88) = 5568 [pid 5561] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5568] <... rseq resumed>) = 0 [pid 5567] <... bpf resumed>) = 4 [pid 5561] <... futex resumed>) = 0 [pid 5564] rt_sigprocmask(SIG_SETMASK, [], [pid 5565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5569 attached [pid 5568] set_robust_list(0x7f7b617939a0, 24 [pid 5564] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5570 attached [pid 5569] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5568] <... set_robust_list resumed>) = 0 [pid 5567] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... bpf resumed>) = 5 [pid 5565] <... clone3 resumed> => {parent_tid=[5569]}, 88) = 5569 [pid 5564] <... futex resumed>) = 0 [pid 5570] set_robust_list(0x55558a0856a0, 24 [pid 5569] <... rseq resumed>) = 0 [pid 5568] rt_sigprocmask(SIG_SETMASK, [], [pid 5567] <... futex resumed>) = 1 [pid 5565] rt_sigprocmask(SIG_SETMASK, [], [pid 5564] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5570 [pid 5570] <... set_robust_list resumed>) = 0 [pid 5569] set_robust_list(0x7f7b617939a0, 24 [pid 5568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5567] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5562] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... futex resumed>) = 0 [pid 5569] <... set_robust_list resumed>) = 0 [pid 5568] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5566] <... futex resumed>) = 1 [pid 5565] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... futex resumed>) = 0 [pid 5570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5569] rt_sigprocmask(SIG_SETMASK, [], [pid 5567] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5565] <... futex resumed>) = 0 [pid 5566] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5561] exit_group(0 [pid 5568] <... bpf resumed>) = 3 [pid 5570] <... prctl resumed>) = 0 [pid 5569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5567] <... bpf resumed>) = 5 [pid 5566] <... futex resumed>) = ? [pid 5565] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5561] <... exit_group resumed>) = ? [pid 5568] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5570] setpgid(0, 0 [pid 5569] <... bpf resumed>) = 3 [pid 5567] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] +++ exited with 0 +++ [pid 5569] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] <... futex resumed>) = 1 [pid 5562] <... futex resumed>) = 0 [pid 5569] <... futex resumed>) = 1 [pid 5567] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] <... futex resumed>) = 0 [pid 5562] exit_group(0 [pid 5569] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5567] <... futex resumed>) = ? [pid 5565] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... exit_group resumed>) = ? [pid 5570] <... setpgid resumed>) = 0 [pid 5569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5568] <... futex resumed>) = 1 [pid 5567] +++ exited with 0 +++ [pid 5565] <... futex resumed>) = 0 [pid 5569] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5568] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] <... futex resumed>) = 0 [pid 5570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5569] <... bpf resumed>) = 4 [pid 5564] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5568] <... futex resumed>) = 0 [pid 5568] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5570] <... openat resumed>) = 3 [pid 5569] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5569] <... futex resumed>) = 1 [pid 5565] <... futex resumed>) = 0 [pid 5569] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5565] <... futex resumed>) = 0 [pid 5569] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5565] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5570] write(3, "1000", 4 [pid 5568] <... bpf resumed>) = 4 [pid 5570] <... write resumed>) = 4 [pid 5570] close(3 [pid 5568] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... futex resumed>) = 0 [pid 5570] <... close resumed>) = 0 [pid 5568] <... futex resumed>) = 1 [pid 5564] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5564] <... futex resumed>) = 0 [pid 5564] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5570] <... futex resumed>) = 0 [pid 5570] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5570] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5561] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5562] +++ exited with 0 +++ [pid 5570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] <... restart_syscall resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... restart_syscall resumed>) = 0 [pid 5570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5571 attached ./strace-static-x86_64: Process 5573 attached [pid 5571] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5571] set_robust_list(0x7f7b617939a0, 24 [pid 5573] set_robust_list(0x55558a0856a0, 24 [pid 5571] <... set_robust_list resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5572 [pid 5573] <... set_robust_list resumed>) = 0 [pid 5571] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5572 attached [pid 5573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] <... clone3 resumed> => {parent_tid=[5571]}, 88) = 5571 [pid 5573] <... prctl resumed>) = 0 [pid 5572] set_robust_list(0x55558a0856a0, 24 [pid 5571] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5573 [pid 5573] setpgid(0, 0 [pid 5572] <... set_robust_list resumed>) = 0 [pid 5570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5573] <... setpgid resumed>) = 0 [pid 5572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5570] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5572] <... prctl resumed>) = 0 [pid 5571] <... futex resumed>) = 0 [pid 5570] <... futex resumed>) = 1 [pid 5573] <... openat resumed>) = 3 [pid 5572] setpgid(0, 0 [pid 5571] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5570] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] write(3, "1000", 4 [pid 5572] <... setpgid resumed>) = 0 [pid 5571] <... bpf resumed>) = 3 [pid 5573] <... write resumed>) = 4 [pid 5572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5571] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(3 [pid 5572] <... openat resumed>) = 3 [pid 5571] <... futex resumed>) = 1 [pid 5570] <... futex resumed>) = 0 [pid 5573] <... close resumed>) = 0 [pid 5572] write(3, "1000", 4 [pid 5571] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... write resumed>) = 4 [pid 5571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5570] <... futex resumed>) = 0 [pid 5573] <... futex resumed>) = 0 [pid 5571] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5570] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5572] close(3 [pid 5573] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5572] <... close resumed>) = 0 [pid 5571] <... bpf resumed>) = 4 [pid 5573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5572] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] <... futex resumed>) = 0 [pid 5571] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5572] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5571] <... futex resumed>) = 1 [pid 5570] <... futex resumed>) = 0 [pid 5573] <... mmap resumed>) = 0x7f7b61773000 [pid 5572] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5571] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5570] <... futex resumed>) = 0 [pid 5573] <... mprotect resumed>) = 0 [pid 5572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5571] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5569] <... bpf resumed>) = 5 [pid 5573] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5570] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5573] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5572] <... mmap resumed>) = 0x7f7b61773000 [pid 5571] <... bpf resumed>) = 5 [pid 5569] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] <... bpf resumed>) = 5 [pid 5573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5572] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5571] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... futex resumed>) = 1 [pid 5565] <... futex resumed>) = 0 [pid 5568] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5574 attached [pid 5572] <... mprotect resumed>) = 0 [pid 5571] <... futex resumed>) = 1 [pid 5570] <... futex resumed>) = 0 [pid 5569] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5568] <... futex resumed>) = 1 [pid 5565] exit_group(0 [pid 5564] <... futex resumed>) = 0 [pid 5574] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5573] <... clone3 resumed> => {parent_tid=[5574]}, 88) = 5574 [pid 5572] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5571] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] exit_group(0 [pid 5569] <... futex resumed>) = ? [pid 5568] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] <... exit_group resumed>) = ? [pid 5564] exit_group(0 [pid 5574] <... rseq resumed>) = 0 [pid 5573] rt_sigprocmask(SIG_SETMASK, [], [pid 5572] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5571] <... futex resumed>) = ? [pid 5570] <... exit_group resumed>) = ? [pid 5569] +++ exited with 0 +++ [pid 5568] <... futex resumed>) = ? [pid 5564] <... exit_group resumed>) = ? [pid 5574] set_robust_list(0x7f7b617939a0, 24 [pid 5573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5571] +++ exited with 0 +++ [pid 5570] +++ exited with 0 +++ [pid 5572] <... clone3 resumed> => {parent_tid=[5575]}, 88) = 5575 [pid 5572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5572] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5572] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5574] <... set_robust_list resumed>) = 0 [pid 5573] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5575 attached [pid 5574] rt_sigprocmask(SIG_SETMASK, [], [pid 5573] <... futex resumed>) = 0 [pid 5575] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5573] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5575] <... rseq resumed>) = 0 [pid 5574] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5575] set_robust_list(0x7f7b617939a0, 24 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5574] <... bpf resumed>) = 3 [pid 5575] <... set_robust_list resumed>) = 0 [pid 5575] rt_sigprocmask(SIG_SETMASK, [], [pid 5574] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5576 attached [pid 5575] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5574] <... futex resumed>) = 1 [pid 5573] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5576 [pid 5575] <... bpf resumed>) = 3 [pid 5573] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] set_robust_list(0x55558a0856a0, 24 [pid 5575] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5573] <... futex resumed>) = 0 [pid 5576] <... set_robust_list resumed>) = 0 [pid 5575] <... futex resumed>) = 1 [pid 5572] <... futex resumed>) = 0 [pid 5573] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] <... futex resumed>) = 0 [pid 5576] <... prctl resumed>) = 0 [pid 5575] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5572] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5574] <... bpf resumed>) = 4 [pid 5576] setpgid(0, 0 [pid 5574] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... setpgid resumed>) = 0 [pid 5576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5575] <... bpf resumed>) = 4 [pid 5574] <... futex resumed>) = 1 [pid 5573] <... futex resumed>) = 0 [pid 5565] +++ exited with 0 +++ [pid 5576] write(3, "1000", 4) = 4 [pid 5576] close(3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5576] <... close resumed>) = 0 [pid 5576] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5573] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] +++ exited with 0 +++ [pid 5564] +++ exited with 0 +++ [pid 5576] <... futex resumed>) = 0 [pid 5575] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5573] <... futex resumed>) = 0 [pid 5572] <... futex resumed>) = 0 [pid 5576] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5575] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5573] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5572] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5576] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5575] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5572] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5073] <... restart_syscall resumed>) = 0 [pid 5576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5576] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5577 attached [pid 5576] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5577 [pid 5576] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5577] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5578 attached [pid 5577] setpgid(0, 0 [pid 5578] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5577] <... setpgid resumed>) = 0 [pid 5578] <... rseq resumed>) = 0 [pid 5576] <... clone3 resumed> => {parent_tid=[5578]}, 88) = 5578 [pid 5578] set_robust_list(0x7f7b617939a0, 24 [pid 5576] rt_sigprocmask(SIG_SETMASK, [], [pid 5578] <... set_robust_list resumed>) = 0 [pid 5577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5577] write(3, "1000", 4) = 4 [pid 5578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5578] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5576] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5579 attached [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] close(3 [pid 5575] <... bpf resumed>) = 5 [pid 5574] <... bpf resumed>) = 5 [pid 5579] set_robust_list(0x55558a0856a0, 24 [pid 5578] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5577] <... close resumed>) = 0 [pid 5575] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5579 [pid 5579] <... set_robust_list resumed>) = 0 [pid 5577] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... bpf resumed>) = 3 [pid 5572] <... futex resumed>) = 0 [pid 5575] <... futex resumed>) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5577] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5574] <... futex resumed>) = 1 [pid 5573] <... futex resumed>) = 0 [pid 5572] exit_group(0 [pid 5577] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5573] exit_group(0 [pid 5577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5573] <... exit_group resumed>) = ? [pid 5578] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5575] read(1636180736, [pid 5572] <... exit_group resumed>) = ? [pid 5575] <... read resumed> ) = ? [pid 5579] <... prctl resumed>) = 0 [pid 5578] <... futex resumed>) = 1 [pid 5577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5576] <... futex resumed>) = 0 [pid 5579] setpgid(0, 0 [pid 5577] <... mmap resumed>) = 0x7f7b61773000 [pid 5578] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5579] <... setpgid resumed>) = 0 [pid 5577] <... mprotect resumed>) = 0 [pid 5579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5577] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5576] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5578] <... futex resumed>) = 0 [pid 5578] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5577] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5580 attached [pid 5576] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5580] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5577] <... clone3 resumed> => {parent_tid=[5580]}, 88) = 5580 [pid 5580] <... rseq resumed>) = 0 [pid 5577] rt_sigprocmask(SIG_SETMASK, [], [pid 5580] set_robust_list(0x7f7b617939a0, 24 [pid 5577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5580] <... set_robust_list resumed>) = 0 [pid 5577] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] rt_sigprocmask(SIG_SETMASK, [], [pid 5577] <... futex resumed>) = 0 [pid 5580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5578] <... bpf resumed>) = 4 [pid 5577] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5580] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5580] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... openat resumed>) = 3 [pid 5578] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] +++ exited with 0 +++ [pid 5574] +++ exited with 0 +++ [pid 5573] +++ exited with 0 +++ [pid 5572] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5580] <... futex resumed>) = 1 [pid 5579] write(3, "1000", 4 [pid 5578] <... futex resumed>) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5576] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5580] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] <... write resumed>) = 4 [pid 5578] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] close(3 [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] <... futex resumed>) = 0 [pid 5576] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5579] <... close resumed>) = 0 [pid 5578] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5577] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5576] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5580] <... bpf resumed>) = 4 [pid 5579] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... bpf resumed>) = 5 [pid 5576] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5579] <... futex resumed>) = 0 [pid 5578] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5578] <... futex resumed>) = 1 [pid 5576] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5581 attached [pid 5580] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5578] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] exit_group(0 [pid 5580] <... futex resumed>) = 1 [pid 5579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5578] <... futex resumed>) = ? [pid 5577] <... futex resumed>) = 0 [pid 5576] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5582 attached [pid 5581] set_robust_list(0x55558a0856a0, 24 [pid 5580] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5578] +++ exited with 0 +++ [pid 5577] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5581 [pid 5582] set_robust_list(0x55558a0856a0, 24 [pid 5580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5577] <... futex resumed>) = 0 [pid 5580] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5577] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5582] <... set_robust_list resumed>) = 0 [pid 5581] <... set_robust_list resumed>) = 0 [pid 5579] <... mmap resumed>) = 0x7f7b61773000 [pid 5581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5580] <... bpf resumed>) = 5 [pid 5582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5581] <... prctl resumed>) = 0 [pid 5580] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5582 [pid 5582] <... prctl resumed>) = 0 [pid 5581] setpgid(0, 0 [pid 5582] setpgid(0, 0 [pid 5581] <... setpgid resumed>) = 0 [pid 5580] <... futex resumed>) = 1 [pid 5579] <... mprotect resumed>) = 0 [pid 5577] <... futex resumed>) = 0 [pid 5582] <... setpgid resumed>) = 0 [pid 5581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5577] exit_group(0 [pid 5580] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5581] <... openat resumed>) = 3 [pid 5580] <... futex resumed>) = ? [pid 5579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5577] <... exit_group resumed>) = ? [pid 5581] write(3, "1000", 4) = 4 [pid 5582] <... openat resumed>) = 3 [pid 5580] +++ exited with 0 +++ [pid 5581] close(3) = 0 [pid 5581] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5581] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5581] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5582] write(3, "1000", 4 [pid 5581] <... mprotect resumed>) = 0 [pid 5579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5583 attached [pid 5581] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5582] <... write resumed>) = 4 [pid 5579] <... clone3 resumed> => {parent_tid=[5583]}, 88) = 5583 [pid 5583] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5582] close(3 [pid 5581] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5579] rt_sigprocmask(SIG_SETMASK, [], [pid 5583] <... rseq resumed>) = 0 [pid 5582] <... close resumed>) = 0 [pid 5581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5583] set_robust_list(0x7f7b617939a0, 24 [pid 5582] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... set_robust_list resumed>) = 0 [pid 5582] <... futex resumed>) = 0 [pid 5579] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5584 attached [pid 5583] rt_sigprocmask(SIG_SETMASK, [], [pid 5582] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5579] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5582] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5583] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5582] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5584] <... rseq resumed>) = 0 [pid 5581] <... clone3 resumed> => {parent_tid=[5584]}, 88) = 5584 [pid 5584] set_robust_list(0x7f7b617939a0, 24 [pid 5581] rt_sigprocmask(SIG_SETMASK, [], [pid 5584] <... set_robust_list resumed>) = 0 [pid 5584] rt_sigprocmask(SIG_SETMASK, [], [pid 5581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5583] <... bpf resumed>) = 3 [pid 5581] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] <... mprotect resumed>) = 0 [pid 5581] <... futex resumed>) = 0 [pid 5583] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5583] <... futex resumed>) = 1 [pid 5581] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] <... futex resumed>) = 0 [pid 5576] +++ exited with 0 +++ [pid 5582] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5579] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] +++ exited with 0 +++ [pid 5579] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5583] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5582] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5579] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5584] <... bpf resumed>) = 3 [pid 5582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5584] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5585 attached [pid 5585] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5586 attached [pid 5584] <... futex resumed>) = 1 [pid 5585] <... rseq resumed>) = 0 [pid 5583] <... bpf resumed>) = 4 [pid 5582] <... clone3 resumed> => {parent_tid=[5585]}, 88) = 5585 [pid 5581] <... futex resumed>) = 0 [pid 5586] set_robust_list(0x55558a0856a0, 24 [pid 5585] set_robust_list(0x7f7b617939a0, 24 [pid 5584] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5583] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] rt_sigprocmask(SIG_SETMASK, [], [pid 5581] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5586 [pid 5586] <... set_robust_list resumed>) = 0 [pid 5585] <... set_robust_list resumed>) = 0 [pid 5584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5583] <... futex resumed>) = 1 [pid 5582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5581] <... futex resumed>) = 0 [pid 5579] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5585] rt_sigprocmask(SIG_SETMASK, [], [pid 5584] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5583] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5582] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5587 attached [pid 5586] <... prctl resumed>) = 0 [pid 5585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5584] <... bpf resumed>) = 4 [pid 5582] <... futex resumed>) = 0 [pid 5579] <... futex resumed>) = 0 [pid 5587] set_robust_list(0x55558a0856a0, 24 [pid 5585] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5582] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5587] <... set_robust_list resumed>) = 0 [pid 5586] setpgid(0, 0 [pid 5585] <... bpf resumed>) = 3 [pid 5584] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... bpf resumed>) = 5 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5587 [pid 5587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5586] <... setpgid resumed>) = 0 [pid 5585] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... futex resumed>) = 1 [pid 5581] <... futex resumed>) = 0 [pid 5587] <... prctl resumed>) = 0 [pid 5586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5585] <... futex resumed>) = 1 [pid 5584] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5583] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] <... futex resumed>) = 0 [pid 5581] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] setpgid(0, 0 [pid 5586] <... openat resumed>) = 3 [pid 5582] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 0 [pid 5581] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5587] <... setpgid resumed>) = 0 [pid 5585] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5583] <... futex resumed>) = 1 [pid 5579] <... futex resumed>) = 0 [pid 5587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5586] write(3, "1000", 4 [pid 5584] <... bpf resumed>) = 5 [pid 5583] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5582] <... futex resumed>) = 0 [pid 5579] exit_group(0 [pid 5586] <... write resumed>) = 4 [pid 5582] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] <... exit_group resumed>) = ? [pid 5586] close(3 [pid 5583] <... futex resumed>) = ? [pid 5586] <... close resumed>) = 0 [pid 5586] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5586] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5584] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5584] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5581] <... futex resumed>) = 0 [pid 5581] exit_group(0 [pid 5586] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5584] <... futex resumed>) = ? [pid 5581] <... exit_group resumed>) = ? [pid 5586] <... mprotect resumed>) = 0 [pid 5587] <... openat resumed>) = 3 [pid 5586] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5584] +++ exited with 0 +++ [pid 5586] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5587] write(3, "1000", 4 [pid 5585] <... bpf resumed>) = 4 [pid 5583] +++ exited with 0 +++ [pid 5581] +++ exited with 0 +++ [pid 5579] +++ exited with 0 +++ [pid 5587] <... write resumed>) = 4 [pid 5586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5585] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5588 attached [pid 5587] close(3 [pid 5585] <... futex resumed>) = 1 [pid 5582] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5588] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5587] <... close resumed>) = 0 [pid 5586] <... clone3 resumed> => {parent_tid=[5588]}, 88) = 5588 [pid 5585] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5582] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] <... rseq resumed>) = 0 [pid 5587] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] rt_sigprocmask(SIG_SETMASK, [], [pid 5585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5582] <... futex resumed>) = 0 [pid 5587] <... futex resumed>) = 0 [pid 5586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5585] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5582] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5588] set_robust_list(0x7f7b617939a0, 24 [pid 5587] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5586] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5586] <... futex resumed>) = 0 [pid 5587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5586] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5587] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5589 attached [pid 5588] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5589 [pid 5589] set_robust_list(0x55558a0856a0, 24 [pid 5588] rt_sigprocmask(SIG_SETMASK, [], [pid 5587] <... mprotect resumed>) = 0 [pid 5589] <... set_robust_list resumed>) = 0 [pid 5588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5588] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5590 attached [pid 5589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5585] <... bpf resumed>) = 5 [pid 5590] set_robust_list(0x55558a0856a0, 24 [pid 5589] <... prctl resumed>) = 0 [pid 5588] <... bpf resumed>) = 3 [pid 5590] <... set_robust_list resumed>) = 0 [pid 5585] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5590 ./strace-static-x86_64: Process 5591 attached [pid 5591] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5587] <... clone3 resumed> => {parent_tid=[5591]}, 88) = 5591 [pid 5591] <... rseq resumed>) = 0 [pid 5589] setpgid(0, 0 [pid 5587] rt_sigprocmask(SIG_SETMASK, [], [pid 5591] set_robust_list(0x7f7b617939a0, 24 [pid 5590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5589] <... setpgid resumed>) = 0 [pid 5588] <... futex resumed>) = 1 [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5586] <... futex resumed>) = 0 [pid 5585] <... futex resumed>) = 1 [pid 5582] <... futex resumed>) = 0 [pid 5591] <... set_robust_list resumed>) = 0 [pid 5590] <... prctl resumed>) = 0 [pid 5587] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] rt_sigprocmask(SIG_SETMASK, [], [pid 5587] <... futex resumed>) = 0 [pid 5582] exit_group(0 [pid 5585] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5590] setpgid(0, 0 [pid 5588] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... futex resumed>) = ? [pid 5582] <... exit_group resumed>) = ? [pid 5589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5591] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5590] <... setpgid resumed>) = 0 [pid 5588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5586] <... futex resumed>) = 0 [pid 5585] +++ exited with 0 +++ [pid 5591] <... bpf resumed>) = 3 [pid 5588] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5586] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5589] <... openat resumed>) = 3 [pid 5591] <... futex resumed>) = 1 [pid 5587] <... futex resumed>) = 0 [pid 5591] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5587] <... futex resumed>) = 0 [pid 5591] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5587] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] <... bpf resumed>) = 4 [pid 5590] <... openat resumed>) = 3 [pid 5589] write(3, "1000", 4 [pid 5588] <... bpf resumed>) = 4 [pid 5591] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] write(3, "1000", 4 [pid 5589] <... write resumed>) = 4 [pid 5588] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] +++ exited with 0 +++ [pid 5590] <... write resumed>) = 4 [pid 5589] close(3 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5590] close(3 [pid 5589] <... close resumed>) = 0 [pid 5588] <... futex resumed>) = 1 [pid 5586] <... futex resumed>) = 0 [pid 5590] <... close resumed>) = 0 [pid 5586] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = 0 [pid 5590] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5586] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5590] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = 0 [pid 5591] <... futex resumed>) = 1 [pid 5590] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5587] <... futex resumed>) = 0 [pid 5591] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5589] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5587] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5589] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5587] <... futex resumed>) = 0 [pid 5591] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5587] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5591] <... bpf resumed>) = 5 [pid 5590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5588] <... bpf resumed>) = 5 [pid 5591] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5591] <... futex resumed>) = 1 [pid 5587] <... futex resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5591] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5589] <... mmap resumed>) = 0x7f7b61773000 [pid 5587] exit_group(0 [pid 5591] <... futex resumed>) = ? [pid 5587] <... exit_group resumed>) = ? [pid 5591] +++ exited with 0 +++ [pid 5590] <... mmap resumed>) = 0x7f7b61773000 [pid 5590] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5589] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5588] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5592 attached [pid 5590] <... mprotect resumed>) = 0 [pid 5589] <... mprotect resumed>) = 0 [pid 5588] <... futex resumed>) = 1 [pid 5587] +++ exited with 0 +++ [pid 5586] <... futex resumed>) = 0 [pid 5592] set_robust_list(0x55558a0856a0, 24 [pid 5590] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5589] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5588] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5586] exit_group(0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5592] <... set_robust_list resumed>) = 0 [pid 5590] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5589] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5588] <... futex resumed>) = ? [pid 5586] <... exit_group resumed>) = ? [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5592 [pid 5592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5588] +++ exited with 0 +++ [pid 5592] <... prctl resumed>) = 0 [pid 5592] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5594 attached ./strace-static-x86_64: Process 5593 attached [pid 5592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5593] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5590] <... clone3 resumed> => {parent_tid=[5594]}, 88) = 5594 [pid 5589] <... clone3 resumed> => {parent_tid=[5593]}, 88) = 5593 [pid 5593] <... rseq resumed>) = 0 [pid 5590] rt_sigprocmask(SIG_SETMASK, [], [pid 5589] rt_sigprocmask(SIG_SETMASK, [], [pid 5593] set_robust_list(0x7f7b617939a0, 24 [pid 5590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5593] <... set_robust_list resumed>) = 0 [pid 5590] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] rt_sigprocmask(SIG_SETMASK, [], [pid 5590] <... futex resumed>) = 0 [pid 5593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5589] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5595 attached [pid 5594] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5593] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5592] <... openat resumed>) = 3 [pid 5590] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] +++ exited with 0 +++ [pid 5595] set_robust_list(0x55558a0856a0, 24 [pid 5594] <... rseq resumed>) = 0 [pid 5595] <... set_robust_list resumed>) = 0 [pid 5594] set_robust_list(0x7f7b617939a0, 24 [pid 5589] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5595 [pid 5593] <... bpf resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5592] write(3, "1000", 4 [pid 5595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5594] <... set_robust_list resumed>) = 0 [pid 5593] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] <... write resumed>) = 4 [pid 5594] rt_sigprocmask(SIG_SETMASK, [], [pid 5593] <... futex resumed>) = 1 [pid 5592] close(3 [pid 5589] <... futex resumed>) = 0 [pid 5595] <... prctl resumed>) = 0 [pid 5594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5593] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] <... close resumed>) = 0 [pid 5589] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] setpgid(0, 0 [pid 5594] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5595] <... setpgid resumed>) = 0 [pid 5594] <... bpf resumed>) = 3 [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5592] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5594] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5592] <... futex resumed>) = 0 [pid 5589] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] <... openat resumed>) = 3 [pid 5594] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5595] write(3, "1000", 4 [pid 5594] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... write resumed>) = 4 [pid 5594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] <... futex resumed>) = 0 [pid 5595] close(3 [pid 5594] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5590] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5596 attached [pid 5595] <... close resumed>) = 0 [pid 5593] <... bpf resumed>) = 4 [pid 5592] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5596 [pid 5596] set_robust_list(0x55558a0856a0, 24 [pid 5594] <... bpf resumed>) = 4 [pid 5592] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5596] <... set_robust_list resumed>) = 0 [pid 5595] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5595] <... futex resumed>) = 0 [pid 5592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5596] <... prctl resumed>) = 0 [pid 5595] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5594] <... futex resumed>) = 1 [pid 5593] <... futex resumed>) = 1 [pid 5592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5590] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... futex resumed>) = 0 [pid 5596] setpgid(0, 0 [pid 5595] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5592] <... mmap resumed>) = 0x7f7b61773000 [pid 5589] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... futex resumed>) = 0 [pid 5594] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5593] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5596] <... setpgid resumed>) = 0 [pid 5595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5592] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5590] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5589] <... futex resumed>) = 0 [pid 5596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5592] <... mprotect resumed>) = 0 [pid 5595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5594] <... bpf resumed>) = 5 [pid 5593] <... bpf resumed>) = 5 [pid 5592] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5589] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5596] <... openat resumed>) = 3 [pid 5595] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5594] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5593] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... futex resumed>) = 0 [pid 5592] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5596] write(3, "1000", 4 [pid 5595] <... mprotect resumed>) = 0 [pid 5594] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5593] <... futex resumed>) = 1 [pid 5592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5590] exit_group(0 [pid 5589] <... futex resumed>) = 0 [pid 5596] <... write resumed>) = 4 [pid 5594] <... futex resumed>) = ? [pid 5595] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5593] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] <... exit_group resumed>) = ? [pid 5589] exit_group(0./strace-static-x86_64: Process 5597 attached [pid 5596] close(3 [pid 5595] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5594] +++ exited with 0 +++ [pid 5593] <... futex resumed>) = ? [pid 5589] <... exit_group resumed>) = ? [pid 5597] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5596] <... close resumed>) = 0 [pid 5597] <... rseq resumed>) = 0 [pid 5596] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5592] <... clone3 resumed> => {parent_tid=[5597]}, 88) = 5597 [pid 5597] set_robust_list(0x7f7b617939a0, 24 [pid 5596] <... futex resumed>) = 0 [pid 5592] rt_sigprocmask(SIG_SETMASK, [], [pid 5597] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5598 attached [pid 5597] rt_sigprocmask(SIG_SETMASK, [], [pid 5596] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5598] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5596] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5595] <... clone3 resumed> => {parent_tid=[5598]}, 88) = 5598 [pid 5592] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... rseq resumed>) = 0 [pid 5597] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5595] rt_sigprocmask(SIG_SETMASK, [], [pid 5592] <... futex resumed>) = 0 [pid 5598] set_robust_list(0x7f7b617939a0, 24 [pid 5592] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5597] <... bpf resumed>) = 3 [pid 5596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5595] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... set_robust_list resumed>) = 0 [pid 5598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5597] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... mmap resumed>) = 0x7f7b61773000 [pid 5595] <... futex resumed>) = 0 [pid 5598] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5595] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5596] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5597] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5598] <... bpf resumed>) = 3 [pid 5598] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] <... mprotect resumed>) = 0 [pid 5592] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... futex resumed>) = 1 [pid 5597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] <... futex resumed>) = 0 [pid 5598] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5596] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5595] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] <... futex resumed>) = 0 [pid 5595] <... futex resumed>) = 0 [pid 5592] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5598] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5597] <... bpf resumed>) = 4 [pid 5596] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5598] <... bpf resumed>) = 4 [pid 5597] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5593] +++ exited with 0 +++ [pid 5590] +++ exited with 0 +++ [pid 5589] +++ exited with 0 +++ [pid 5598] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5599 attached [pid 5598] <... futex resumed>) = 1 [pid 5597] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] <... futex resumed>) = 0 [pid 5592] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5595] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] <... futex resumed>) = 0 [pid 5599] <... rseq resumed>) = 0 [pid 5595] <... futex resumed>) = 0 [pid 5592] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5599] set_robust_list(0x7f7b617939a0, 24 [pid 5595] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5599] <... set_robust_list resumed>) = 0 [pid 5598] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5596] <... clone3 resumed> => {parent_tid=[5599]}, 88) = 5599 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5590, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5599] rt_sigprocmask(SIG_SETMASK, [], [pid 5597] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5596] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5596] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5596] <... futex resumed>) = 0 [pid 5596] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5599] <... bpf resumed>) = 3 [pid 5599] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5599] <... futex resumed>) = 1 [pid 5596] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5599] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5596] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5600 attached [pid 5599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5601 attached [pid 5599] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5601] set_robust_list(0x55558a0856a0, 24 [pid 5600] set_robust_list(0x55558a0856a0, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5601 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5600 [pid 5601] <... set_robust_list resumed>) = 0 [pid 5601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5601] setpgid(0, 0 [pid 5600] <... set_robust_list resumed>) = 0 [pid 5599] <... bpf resumed>) = 4 [pid 5598] <... bpf resumed>) = 5 [pid 5597] <... bpf resumed>) = 5 [pid 5597] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... setpgid resumed>) = 0 [pid 5600] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5599] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5599] <... futex resumed>) = 1 [pid 5598] <... futex resumed>) = 1 [pid 5597] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] <... futex resumed>) = 0 [pid 5595] <... futex resumed>) = 0 [pid 5592] exit_group(0 [pid 5601] <... openat resumed>) = 3 [pid 5600] <... prctl resumed>) = 0 [pid 5599] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5598] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] <... futex resumed>) = ? [pid 5596] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] exit_group(0 [pid 5592] <... exit_group resumed>) = ? [pid 5601] write(3, "1000", 4 [pid 5600] setpgid(0, 0 [pid 5599] <... bpf resumed>) = 5 [pid 5598] <... futex resumed>) = ? [pid 5596] <... futex resumed>) = 0 [pid 5595] <... exit_group resumed>) = ? [pid 5601] <... write resumed>) = 4 [pid 5600] <... setpgid resumed>) = 0 [pid 5599] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5601] close(3 [pid 5600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5599] <... futex resumed>) = 0 [pid 5598] +++ exited with 0 +++ [pid 5596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] <... close resumed>) = 0 [pid 5596] exit_group(0 [pid 5601] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... openat resumed>) = 3 [pid 5596] <... exit_group resumed>) = ? [pid 5601] <... futex resumed>) = 0 [pid 5595] +++ exited with 0 +++ [pid 5601] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5595, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5601] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5600] write(3, "1000", 4 [pid 5601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5600] <... write resumed>) = 4 [pid 5601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5600] close(3 [pid 5601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5600] <... close resumed>) = 0 [pid 5601] <... mmap resumed>) = 0x7f7b61773000 [pid 5600] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5600] <... futex resumed>) = 0 [pid 5601] <... mprotect resumed>) = 0 [pid 5600] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5601] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5600] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5601] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5602 attached [pid 5602] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5601] <... clone3 resumed> => {parent_tid=[5602]}, 88) = 5602 [pid 5602] <... rseq resumed>) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [], [pid 5602] set_robust_list(0x7f7b617939a0, 24 [pid 5601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5602] <... set_robust_list resumed>) = 0 [pid 5601] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_SETMASK, [], [pid 5601] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5602] <... bpf resumed>) = 3 [pid 5602] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5603 attached [pid 5600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5599] +++ exited with 0 +++ [pid 5597] +++ exited with 0 +++ [pid 5596] +++ exited with 0 +++ [pid 5592] +++ exited with 0 +++ [pid 5603] set_robust_list(0x55558a0856a0, 24 [pid 5602] <... futex resumed>) = 1 [pid 5600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5603 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5592, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5601] <... futex resumed>) = 0 [pid 5601] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5601] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... set_robust_list resumed>) = 0 [pid 5602] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5600] <... mmap resumed>) = 0x7f7b61773000 [pid 5602] <... bpf resumed>) = 4 [pid 5600] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] <... prctl resumed>) = 0 [pid 5603] setpgid(0, 0 [pid 5600] <... mprotect resumed>) = 0 [pid 5600] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} => {parent_tid=[5604]}, 88) = 5604 ./strace-static-x86_64: Process 5604 attached [pid 5602] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] rt_sigprocmask(SIG_SETMASK, [], [pid 5604] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5602] <... futex resumed>) = 1 [pid 5601] <... futex resumed>) = 0 [pid 5600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5604] <... rseq resumed>) = 0 [pid 5602] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] set_robust_list(0x7f7b617939a0, 24 [pid 5602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] <... futex resumed>) = 0 [pid 5600] <... futex resumed>) = 0 [pid 5604] <... set_robust_list resumed>) = 0 [pid 5602] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5601] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5600] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5604] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5606 attached ./strace-static-x86_64: Process 5605 attached ) = 3 [pid 5603] <... setpgid resumed>) = 0 [pid 5602] <... bpf resumed>) = 5 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5605 [pid 5606] set_robust_list(0x55558a0856a0, 24 [pid 5605] set_robust_list(0x55558a0856a0, 24 [pid 5604] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5602] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5606 [pid 5606] <... set_robust_list resumed>) = 0 [pid 5605] <... set_robust_list resumed>) = 0 [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5603] <... openat resumed>) = 3 [pid 5602] <... futex resumed>) = 1 [pid 5601] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5604] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5606] <... prctl resumed>) = 0 [pid 5605] <... prctl resumed>) = 0 [pid 5603] write(3, "1000", 4 [pid 5602] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] exit_group(0 [pid 5605] setpgid(0, 0 [pid 5606] setpgid(0, 0 [pid 5605] <... setpgid resumed>) = 0 [pid 5603] <... write resumed>) = 4 [pid 5602] <... futex resumed>) = ? [pid 5601] <... exit_group resumed>) = ? [pid 5606] <... setpgid resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] close(3 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] <... close resumed>) = 0 [pid 5603] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5603] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5605] <... openat resumed>) = 3 [pid 5604] <... bpf resumed>) = 4 [pid 5606] <... openat resumed>) = 3 [pid 5603] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5606] write(3, "1000", 4 [pid 5605] write(3, "1000", 4 [pid 5604] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5602] +++ exited with 0 +++ [pid 5601] +++ exited with 0 +++ [pid 5606] <... write resumed>) = 4 [pid 5605] <... write resumed>) = 4 [pid 5604] <... futex resumed>) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5603] <... mprotect resumed>) = 0 [pid 5605] close(3 [pid 5604] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] close(3 [pid 5605] <... close resumed>) = 0 [pid 5606] <... close resumed>) = 0 [pid 5606] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5606] <... futex resumed>) = 0 [pid 5605] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5606] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5605] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5600] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5607 attached [pid 5604] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5600] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5607] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5606] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5605] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5607] <... rseq resumed>) = 0 [pid 5606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5604] <... bpf resumed>) = 5 [pid 5607] set_robust_list(0x7f7b617939a0, 24 [pid 5604] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... set_robust_list resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5608 attached [pid 5607] rt_sigprocmask(SIG_SETMASK, [], [pid 5604] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] <... clone3 resumed> => {parent_tid=[5607]}, 88) = 5607 [pid 5600] exit_group(0 [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] set_robust_list(0x55558a0856a0, 24 [pid 5607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5605] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [], [pid 5600] <... exit_group resumed>) = ? [pid 5608] <... set_robust_list resumed>) = 0 [pid 5607] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5604] <... futex resumed>) = ? [pid 5603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] <... prctl resumed>) = 0 [pid 5606] <... mmap resumed>) = 0x7f7b61773000 [pid 5605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5604] +++ exited with 0 +++ [pid 5603] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5608 [pid 5607] <... futex resumed>) = 0 [pid 5603] <... futex resumed>) = 1 [pid 5608] setpgid(0, 0 [pid 5607] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5606] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5605] <... mmap resumed>) = 0x7f7b61773000 [pid 5603] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5608] <... setpgid resumed>) = 0 [pid 5607] <... bpf resumed>) = 3 [pid 5606] <... mprotect resumed>) = 0 [pid 5605] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5607] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5607] <... futex resumed>) = 1 [pid 5606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5605] <... mprotect resumed>) = 0 [pid 5603] <... futex resumed>) = 0 [pid 5608] <... openat resumed>) = 3 [pid 5607] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5605] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5603] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5609 attached [pid 5608] write(3, "1000", 4 [pid 5607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5603] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5608] <... write resumed>) = 4 [pid 5607] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5606] <... clone3 resumed> => {parent_tid=[5609]}, 88) = 5609 [pid 5605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5603] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5609] set_robust_list(0x7f7b617939a0, 24) = 0 ./strace-static-x86_64: Process 5611 attached [pid 5609] rt_sigprocmask(SIG_SETMASK, [], [pid 5608] close(3 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5610 attached [pid 5611] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] <... close resumed>) = 0 [pid 5607] <... bpf resumed>) = 4 [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5610] set_robust_list(0x55558a0856a0, 24 [pid 5609] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5611] <... rseq resumed>) = 0 [pid 5606] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... clone3 resumed> => {parent_tid=[5611]}, 88) = 5611 [pid 5609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5610] <... set_robust_list resumed>) = 0 [pid 5608] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... futex resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [], [pid 5611] set_robust_list(0x7f7b617939a0, 24 [pid 5609] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5608] <... futex resumed>) = 0 [pid 5606] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5611] <... set_robust_list resumed>) = 0 [pid 5605] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5610 [pid 5611] rt_sigprocmask(SIG_SETMASK, [], [pid 5610] <... prctl resumed>) = 0 [pid 5609] <... bpf resumed>) = 3 [pid 5608] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5607] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... futex resumed>) = 0 [pid 5611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5607] <... futex resumed>) = 1 [pid 5605] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... futex resumed>) = 0 [pid 5610] setpgid(0, 0 [pid 5611] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5609] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5607] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... bpf resumed>) = 3 [pid 5610] <... setpgid resumed>) = 0 [pid 5609] <... futex resumed>) = 1 [pid 5608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5606] <... futex resumed>) = 0 [pid 5603] <... futex resumed>) = 0 [pid 5611] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5607] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5606] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5611] <... futex resumed>) = 1 [pid 5607] <... bpf resumed>) = 5 [pid 5608] <... mmap resumed>) = 0x7f7b61773000 [pid 5606] <... futex resumed>) = 0 [pid 5605] <... futex resumed>) = 0 [pid 5611] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] <... futex resumed>) = 0 [pid 5611] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5609] <... bpf resumed>) = 4 [pid 5608] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5605] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] <... openat resumed>) = 3 [pid 5609] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... mprotect resumed>) = 0 [pid 5607] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... bpf resumed>) = 4 [pid 5610] write(3, "1000", 4 [pid 5611] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... write resumed>) = 4 [pid 5608] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5611] <... futex resumed>) = 1 [pid 5610] close(3 [pid 5609] <... futex resumed>) = 1 [pid 5608] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5607] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5605] <... futex resumed>) = 0 [pid 5603] <... futex resumed>) = 0 [pid 5611] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] <... close resumed>) = 0 [pid 5609] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5607] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5610] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5606] <... futex resumed>) = 0 [pid 5605] <... futex resumed>) = 0 [pid 5603] exit_group(0./strace-static-x86_64: Process 5612 attached [pid 5611] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5610] <... futex resumed>) = 0 [pid 5609] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5607] <... futex resumed>) = ? [pid 5606] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5605] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5603] <... exit_group resumed>) = ? [pid 5612] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5611] <... bpf resumed>) = 5 [pid 5610] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5609] <... bpf resumed>) = 5 [pid 5607] +++ exited with 0 +++ [pid 5612] <... rseq resumed>) = 0 [pid 5611] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5612] set_robust_list(0x7f7b617939a0, 24 [pid 5611] <... futex resumed>) = 1 [pid 5605] <... futex resumed>) = 0 [pid 5612] <... set_robust_list resumed>) = 0 [pid 5611] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5605] exit_group(0 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], [pid 5611] <... futex resumed>) = ? [pid 5610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5605] <... exit_group resumed>) = ? [pid 5612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5611] +++ exited with 0 +++ [pid 5610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5609] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... clone3 resumed> => {parent_tid=[5612]}, 88) = 5612 [pid 5603] +++ exited with 0 +++ [pid 5612] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] <... mmap resumed>) = 0x7f7b61773000 [pid 5609] <... futex resumed>) = 1 [pid 5608] rt_sigprocmask(SIG_SETMASK, [], [pid 5606] <... futex resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5603, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5610] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5609] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] exit_group(0 [pid 5610] <... mprotect resumed>) = 0 [pid 5609] <... futex resumed>) = ? [pid 5608] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... exit_group resumed>) = ? [pid 5609] +++ exited with 0 +++ [pid 5612] <... futex resumed>) = 0 [pid 5608] <... futex resumed>) = 1 [pid 5612] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5608] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5610] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5612] <... bpf resumed>) = 3 [pid 5610] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5612] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5614 attached ./strace-static-x86_64: Process 5613 attached ) = 1 [pid 5608] <... futex resumed>) = 0 [pid 5614] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5608] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... rseq resumed>) = 0 [pid 5610] <... clone3 resumed> => {parent_tid=[5614]}, 88) = 5614 [pid 5610] rt_sigprocmask(SIG_SETMASK, [], [pid 5612] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5614] set_robust_list(0x7f7b617939a0, 24 [pid 5613] set_robust_list(0x55558a0856a0, 24 [pid 5610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5613 [pid 5614] <... set_robust_list resumed>) = 0 [pid 5613] <... set_robust_list resumed>) = 0 [pid 5612] <... bpf resumed>) = 4 [pid 5610] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] rt_sigprocmask(SIG_SETMASK, [], [pid 5613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5605] +++ exited with 0 +++ [pid 5614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] <... prctl resumed>) = 0 [pid 5610] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5614] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5613] setpgid(0, 0 [pid 5610] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5613] <... setpgid resumed>) = 0 [pid 5612] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... bpf resumed>) = 3 [pid 5613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5612] <... futex resumed>) = 1 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5614] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... openat resumed>) = 3 [pid 5612] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] <... futex resumed>) = 0 [pid 5613] write(3, "1000", 4) = 4 [pid 5613] close(3 [pid 5614] <... futex resumed>) = 1 [pid 5613] <... close resumed>) = 0 [pid 5610] <... futex resumed>) = 0 [pid 5608] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] <... futex resumed>) = 0 [pid 5610] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 1 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] <... futex resumed>) = 0 [pid 5612] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5610] <... futex resumed>) = 0 [pid 5606] +++ exited with 0 +++ [pid 5614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5613] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5610] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5608] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5613] <... mmap resumed>) = 0x7f7b61773000 [pid 5613] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5615 attached [pid 5614] <... bpf resumed>) = 4 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5614] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... mprotect resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5615 [pid 5614] <... futex resumed>) = 1 [pid 5610] <... futex resumed>) = 0 [pid 5610] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] set_robust_list(0x55558a0856a0, 24./strace-static-x86_64: Process 5616 attached [pid 5614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5610] <... futex resumed>) = 0 [pid 5610] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5617 attached [pid 5617] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5613] <... clone3 resumed> => {parent_tid=[5617]}, 88) = 5617 [pid 5617] <... rseq resumed>) = 0 [pid 5613] rt_sigprocmask(SIG_SETMASK, [], [pid 5617] set_robust_list(0x7f7b617939a0, 24 [pid 5613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5617] <... set_robust_list resumed>) = 0 [pid 5613] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] rt_sigprocmask(SIG_SETMASK, [], [pid 5613] <... futex resumed>) = 0 [pid 5617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5615] <... set_robust_list resumed>) = 0 [pid 5612] <... bpf resumed>) = 5 [pid 5616] set_robust_list(0x55558a0856a0, 24 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5616 [pid 5617] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... set_robust_list resumed>) = 0 [pid 5615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5614] <... bpf resumed>) = 5 [pid 5617] <... futex resumed>) = 1 [pid 5617] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5615] <... prctl resumed>) = 0 [pid 5614] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... futex resumed>) = 0 [pid 5612] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... futex resumed>) = 1 [pid 5613] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] <... futex resumed>) = 1 [pid 5610] <... futex resumed>) = 0 [pid 5617] <... futex resumed>) = 0 [pid 5616] <... prctl resumed>) = 0 [pid 5615] setpgid(0, 0 [pid 5614] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] <... futex resumed>) = 1 [pid 5612] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] exit_group(0 [pid 5608] <... futex resumed>) = 0 [pid 5617] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5616] setpgid(0, 0 [pid 5615] <... setpgid resumed>) = 0 [pid 5614] <... futex resumed>) = ? [pid 5613] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] <... exit_group resumed>) = ? [pid 5608] exit_group(0 [pid 5616] <... setpgid resumed>) = 0 [pid 5615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5614] +++ exited with 0 +++ [pid 5612] <... futex resumed>) = ? [pid 5608] <... exit_group resumed>) = ? [pid 5617] <... bpf resumed>) = 4 [pid 5616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5615] <... openat resumed>) = 3 [pid 5615] write(3, "1000", 4 [pid 5610] +++ exited with 0 +++ [pid 5615] <... write resumed>) = 4 [pid 5615] close(3 [pid 5616] write(3, "1000", 4 [pid 5615] <... close resumed>) = 0 [pid 5616] <... write resumed>) = 4 [pid 5615] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] +++ exited with 0 +++ [pid 5608] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5617] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] close(3 [pid 5615] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5616] <... close resumed>) = 0 [pid 5615] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5613] <... futex resumed>) = 0 [pid 5617] <... futex resumed>) = 1 [pid 5616] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5615] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5613] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5616] <... futex resumed>) = 0 [pid 5615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5613] <... futex resumed>) = 0 [pid 5616] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5616] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5615] <... mmap resumed>) = 0x7f7b61773000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5618 attached [pid 5616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5618] set_robust_list(0x55558a0856a0, 24 [pid 5616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5615] <... mprotect resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5618 ./strace-static-x86_64: Process 5619 attached [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5619 [pid 5619] set_robust_list(0x55558a0856a0, 24 [pid 5618] <... set_robust_list resumed>) = 0 [pid 5617] <... bpf resumed>) = 5 [pid 5616] <... mmap resumed>) = 0x7f7b61773000 [pid 5615] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5619] <... set_robust_list resumed>) = 0 [pid 5618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5617] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5618] <... prctl resumed>) = 0 [pid 5617] <... futex resumed>) = 1 [pid 5616] <... mprotect resumed>) = 0 [pid 5613] <... futex resumed>) = 0 [pid 5619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5618] setpgid(0, 0 [pid 5617] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5616] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5615] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5613] exit_group(0 [pid 5619] <... prctl resumed>) = 0 [pid 5618] <... setpgid resumed>) = 0 [pid 5617] <... futex resumed>) = ? [pid 5615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5613] <... exit_group resumed>) = ? [pid 5619] setpgid(0, 0./strace-static-x86_64: Process 5620 attached ) = 0 [pid 5618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5616] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5620] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5618] <... openat resumed>) = 3 [pid 5617] +++ exited with 0 +++ [pid 5616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5615] <... clone3 resumed> => {parent_tid=[5620]}, 88) = 5620 [pid 5613] +++ exited with 0 +++ ./strace-static-x86_64: Process 5621 attached [pid 5620] <... rseq resumed>) = 0 [pid 5621] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5616] <... clone3 resumed> => {parent_tid=[5621]}, 88) = 5621 [pid 5621] <... rseq resumed>) = 0 [pid 5616] rt_sigprocmask(SIG_SETMASK, [], [pid 5621] set_robust_list(0x7f7b617939a0, 24 [pid 5620] set_robust_list(0x7f7b617939a0, 24 [pid 5619] <... openat resumed>) = 3 [pid 5618] write(3, "1000", 4 [pid 5616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5621] <... set_robust_list resumed>) = 0 [pid 5620] <... set_robust_list resumed>) = 0 [pid 5616] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5621] rt_sigprocmask(SIG_SETMASK, [], [pid 5620] rt_sigprocmask(SIG_SETMASK, [], [pid 5619] write(3, "1000", 4 [pid 5618] <... write resumed>) = 4 [pid 5616] <... futex resumed>) = 0 [pid 5615] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5619] <... write resumed>) = 4 [pid 5618] close(3 [pid 5616] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5615] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5622 attached [pid 5621] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5620] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5619] close(3 [pid 5618] <... close resumed>) = 0 [pid 5615] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5622 [pid 5622] set_robust_list(0x55558a0856a0, 24 [pid 5621] <... bpf resumed>) = 3 [pid 5620] <... bpf resumed>) = 3 [pid 5619] <... close resumed>) = 0 [pid 5618] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5621] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = 0 [pid 5621] <... futex resumed>) = 1 [pid 5620] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5618] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5616] <... futex resumed>) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5621] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5620] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5616] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... futex resumed>) = 0 [pid 5621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5618] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5616] <... futex resumed>) = 0 [pid 5621] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5616] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... prctl resumed>) = 0 [pid 5619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] setpgid(0, 0 [pid 5621] <... bpf resumed>) = 4 [pid 5620] <... futex resumed>) = 0 [pid 5619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5615] <... futex resumed>) = 1 [pid 5622] <... setpgid resumed>) = 0 [pid 5621] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5619] <... mmap resumed>) = 0x7f7b61773000 [pid 5618] <... mmap resumed>) = 0x7f7b61773000 [pid 5615] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5616] <... futex resumed>) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5621] <... futex resumed>) = 1 [pid 5619] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5618] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5616] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5616] <... futex resumed>) = 0 [pid 5620] <... bpf resumed>) = 4 [pid 5619] <... mprotect resumed>) = 0 [pid 5618] <... mprotect resumed>) = 0 [pid 5622] write(3, "1000", 4 [pid 5621] <... bpf resumed>) = 5 [pid 5616] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5622] <... write resumed>) = 4 [pid 5621] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5622] close(3 [pid 5621] <... futex resumed>) = 1 [pid 5620] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5618] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5616] <... futex resumed>) = 0 [pid 5622] <... close resumed>) = 0 [pid 5621] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5620] <... futex resumed>) = 1 [pid 5615] <... futex resumed>) = 0 [pid 5616] exit_group(0 [pid 5619] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5622] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = ? [pid 5620] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5616] <... exit_group resumed>) = ? [pid 5615] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5624 attached ./strace-static-x86_64: Process 5623 attached [pid 5622] <... futex resumed>) = 0 [pid 5621] +++ exited with 0 +++ [pid 5620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5615] <... futex resumed>) = 0 [pid 5624] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5623] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5622] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5620] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5619] <... clone3 resumed> => {parent_tid=[5623]}, 88) = 5623 [pid 5618] <... clone3 resumed> => {parent_tid=[5624]}, 88) = 5624 [pid 5616] +++ exited with 0 +++ [pid 5615] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5624] <... rseq resumed>) = 0 [pid 5623] <... rseq resumed>) = 0 [pid 5622] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5619] rt_sigprocmask(SIG_SETMASK, [], [pid 5618] rt_sigprocmask(SIG_SETMASK, [], [pid 5624] set_robust_list(0x7f7b617939a0, 24 [pid 5623] set_robust_list(0x7f7b617939a0, 24 [pid 5622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5624] <... set_robust_list resumed>) = 0 [pid 5623] <... set_robust_list resumed>) = 0 [pid 5622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5619] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] rt_sigprocmask(SIG_SETMASK, [], [pid 5623] rt_sigprocmask(SIG_SETMASK, [], [pid 5622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5619] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5622] <... mmap resumed>) = 0x7f7b61773000 [pid 5619] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5623] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5624] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5624] <... futex resumed>) = 1 [pid 5618] <... futex resumed>) = 0 [pid 5624] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5618] <... futex resumed>) = 0 [pid 5624] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5618] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5625 attached [pid 5624] <... bpf resumed>) = 4 [pid 5623] <... bpf resumed>) = 3 [pid 5622] <... mprotect resumed>) = 0 [pid 5625] set_robust_list(0x55558a0856a0, 24 [pid 5624] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5625] <... set_robust_list resumed>) = 0 [pid 5624] <... futex resumed>) = 1 [pid 5623] <... futex resumed>) = 1 [pid 5620] <... bpf resumed>) = 5 [pid 5619] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5625 [pid 5622] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5624] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5620] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... prctl resumed>) = 0 [pid 5624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5620] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 0 [pid 5615] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5626 attached [pid 5625] setpgid(0, 0 [pid 5624] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5623] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5620] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5626] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5625] <... setpgid resumed>) = 0 [pid 5624] <... bpf resumed>) = 5 [pid 5615] exit_group(0 [pid 5626] <... rseq resumed>) = 0 [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5624] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... clone3 resumed> => {parent_tid=[5626]}, 88) = 5626 [pid 5620] <... futex resumed>) = ? [pid 5615] <... exit_group resumed>) = ? [pid 5626] set_robust_list(0x7f7b617939a0, 24 [pid 5625] <... openat resumed>) = 3 [pid 5624] <... futex resumed>) = 1 [pid 5623] <... bpf resumed>) = 4 [pid 5622] rt_sigprocmask(SIG_SETMASK, [], [pid 5618] <... futex resumed>) = 0 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5624] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] exit_group(0 [pid 5626] rt_sigprocmask(SIG_SETMASK, [], [pid 5625] write(3, "1000", 4 [pid 5624] <... futex resumed>) = ? [pid 5623] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] <... exit_group resumed>) = ? [pid 5626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5625] <... write resumed>) = 4 [pid 5624] +++ exited with 0 +++ [pid 5623] <... futex resumed>) = 1 [pid 5622] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] <... futex resumed>) = 0 [pid 5626] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5625] close(3 [pid 5623] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5622] <... futex resumed>) = 0 [pid 5625] <... close resumed>) = 0 [pid 5623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5622] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5625] <... futex resumed>) = 0 [pid 5626] <... bpf resumed>) = 3 [pid 5619] <... futex resumed>) = 0 [pid 5626] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5619] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5626] <... futex resumed>) = 1 [pid 5625] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5622] <... futex resumed>) = 0 [pid 5626] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5622] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5622] <... futex resumed>) = 0 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5626] <... bpf resumed>) = 4 [pid 5625] <... mmap resumed>) = 0x7f7b61773000 [pid 5622] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5626] <... futex resumed>) = 1 [pid 5626] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] <... mprotect resumed>) = 0 [pid 5622] <... futex resumed>) = 0 [pid 5622] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 0 [pid 5622] <... futex resumed>) = 1 [pid 5626] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5622] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5625] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5627 attached [pid 5627] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5625] <... clone3 resumed> => {parent_tid=[5627]}, 88) = 5627 [pid 5627] <... rseq resumed>) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] set_robust_list(0x7f7b617939a0, 24 [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5623] <... bpf resumed>) = 5 [pid 5620] +++ exited with 0 +++ [pid 5615] +++ exited with 0 +++ [pid 5627] <... set_robust_list resumed>) = 0 [pid 5623] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5627] rt_sigprocmask(SIG_SETMASK, [], [pid 5623] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5628 attached [pid 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5623] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] exit_group(0 [pid 5627] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5623] <... futex resumed>) = ? [pid 5619] <... exit_group resumed>) = ? [pid 5628] set_robust_list(0x55558a0856a0, 24 [pid 5623] +++ exited with 0 +++ [pid 5628] <... set_robust_list resumed>) = 0 [pid 5627] <... bpf resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5628 [pid 5628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... prctl resumed>) = 0 [pid 5627] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5628] setpgid(0, 0 [pid 5627] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] <... bpf resumed>) = 5 [pid 5618] +++ exited with 0 +++ [pid 5628] <... setpgid resumed>) = 0 [pid 5626] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] <... futex resumed>) = 0 [pid 5626] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5628] <... openat resumed>) = 3 [pid 5626] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] exit_group(0 [pid 5627] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5622] <... exit_group resumed>) = ? [pid 5626] <... futex resumed>) = ? [pid 5628] write(3, "1000", 4 [pid 5626] +++ exited with 0 +++ [pid 5628] <... write resumed>) = 4 [pid 5628] close(3) = 0 [pid 5628] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5628] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5628] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5627] <... bpf resumed>) = 4 [pid 5628] <... mprotect resumed>) = 0 [pid 5628] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5629 attached [pid 5628] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5627] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] set_robust_list(0x55558a0856a0, 24 [pid 5628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5629 [pid 5627] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5629] <... set_robust_list resumed>) = 0 [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5630 attached ) = 0 [pid 5628] <... clone3 resumed> => {parent_tid=[5630]}, 88) = 5630 [pid 5627] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5630] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5629] setpgid(0, 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], [pid 5630] <... rseq resumed>) = 0 [pid 5629] <... setpgid resumed>) = 0 [pid 5628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5630] set_robust_list(0x7f7b617939a0, 24 [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5619] +++ exited with 0 +++ [pid 5630] <... set_robust_list resumed>) = 0 [pid 5629] <... openat resumed>) = 3 [pid 5628] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5630] rt_sigprocmask(SIG_SETMASK, [], [pid 5629] write(3, "1000", 4 [pid 5628] <... futex resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5629] <... write resumed>) = 4 [pid 5628] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... restart_syscall resumed>) = 0 [pid 5630] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5629] close(3) = 0 [pid 5630] <... bpf resumed>) = 3 [pid 5629] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 0 [pid 5630] <... futex resumed>) = 1 [pid 5629] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5628] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5630] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5628] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5628] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5631 attached [pid 5630] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5628] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5632 attached [pid 5631] set_robust_list(0x55558a0856a0, 24 [pid 5629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5631 [pid 5632] set_robust_list(0x55558a0856a0, 24 [pid 5631] <... set_robust_list resumed>) = 0 [pid 5630] <... bpf resumed>) = 4 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5632 [pid 5631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5630] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... mmap resumed>) = 0x7f7b61773000 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5631] <... prctl resumed>) = 0 [pid 5630] <... futex resumed>) = 1 [pid 5628] <... futex resumed>) = 0 [pid 5632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5631] setpgid(0, 0 [pid 5630] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... prctl resumed>) = 0 [pid 5631] <... setpgid resumed>) = 0 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5629] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5628] <... futex resumed>) = 0 [pid 5627] <... bpf resumed>) = 5 [pid 5632] setpgid(0, 0 [pid 5631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5630] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5628] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5632] <... setpgid resumed>) = 0 [pid 5629] <... mprotect resumed>) = 0 [pid 5627] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... openat resumed>) = 3 [pid 5630] <... bpf resumed>) = 5 [pid 5627] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5631] write(3, "1000", 4 [pid 5629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5625] exit_group(0 [pid 5632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5631] <... write resumed>) = 4 [pid 5630] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5625] <... exit_group resumed>) = ? [pid 5632] <... openat resumed>) = 3 [pid 5631] close(3 [pid 5630] <... futex resumed>) = 1 [pid 5629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5628] <... futex resumed>) = 0 [pid 5627] +++ exited with 0 +++ ./strace-static-x86_64: Process 5633 attached [pid 5632] write(3, "1000", 4 [pid 5631] <... close resumed>) = 0 [pid 5630] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] exit_group(0 [pid 5633] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5631] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = ? [pid 5628] <... exit_group resumed>) = ? [pid 5633] <... rseq resumed>) = 0 [pid 5632] <... write resumed>) = 4 [pid 5631] <... futex resumed>) = 0 [pid 5630] +++ exited with 0 +++ [pid 5629] <... clone3 resumed> => {parent_tid=[5633]}, 88) = 5633 [pid 5633] set_robust_list(0x7f7b617939a0, 24 [pid 5631] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5633] <... set_robust_list resumed>) = 0 [pid 5632] close(3 [pid 5629] rt_sigprocmask(SIG_SETMASK, [], [pid 5633] rt_sigprocmask(SIG_SETMASK, [], [pid 5632] <... close resumed>) = 0 [pid 5631] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5632] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5629] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5632] <... futex resumed>) = 0 [pid 5631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5633] <... bpf resumed>) = 3 [pid 5631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5629] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5632] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5633] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... mmap resumed>) = 0x7f7b61773000 [pid 5633] <... futex resumed>) = 1 [pid 5631] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5633] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5631] <... mprotect resumed>) = 0 [pid 5631] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5632] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5628] +++ exited with 0 +++ [pid 5625] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5629] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = 0 [pid 5632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5631] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5629] <... futex resumed>) = 1 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5633] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5629] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5634 attached [pid 5633] <... bpf resumed>) = 4 [pid 5632] <... mmap resumed>) = 0x7f7b61773000 [pid 5633] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5631] <... clone3 resumed> => {parent_tid=[5634]}, 88) = 5634 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5633] <... futex resumed>) = 1 [pid 5631] rt_sigprocmask(SIG_SETMASK, [], [pid 5629] <... futex resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5634] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5633] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5632] <... mprotect resumed>) = 0 [pid 5631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5629] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5631] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 0 [pid 5633] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5631] <... futex resumed>) = 0 [pid 5629] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5635 attached [pid 5634] <... rseq resumed>) = 0 [pid 5632] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5631] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] set_robust_list(0x55558a0856a0, 24 [pid 5634] set_robust_list(0x7f7b617939a0, 24 [pid 5632] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5636 attached [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5635 [pid 5636] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5635] <... set_robust_list resumed>) = 0 [pid 5634] <... set_robust_list resumed>) = 0 [pid 5632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5636 [pid 5636] <... prctl resumed>) = 0 [pid 5636] setpgid(0, 0) = 0 [pid 5635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5634] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5637 attached [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5635] <... prctl resumed>) = 0 [pid 5634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5632] <... clone3 resumed> => {parent_tid=[5637]}, 88) = 5637 [pid 5637] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5636] <... openat resumed>) = 3 [pid 5635] setpgid(0, 0 [pid 5637] <... rseq resumed>) = 0 [pid 5637] set_robust_list(0x7f7b617939a0, 24 [pid 5634] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5632] rt_sigprocmask(SIG_SETMASK, [], [pid 5635] <... setpgid resumed>) = 0 [pid 5637] <... set_robust_list resumed>) = 0 [pid 5636] write(3, "1000", 4 [pid 5637] rt_sigprocmask(SIG_SETMASK, [], [pid 5636] <... write resumed>) = 4 [pid 5637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5637] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] close(3 [pid 5635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5636] <... close resumed>) = 0 [pid 5634] <... bpf resumed>) = 3 [pid 5632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5632] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... futex resumed>) = 0 [pid 5636] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = 1 [pid 5637] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5636] <... futex resumed>) = 0 [pid 5635] <... openat resumed>) = 3 [pid 5634] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] <... bpf resumed>) = 3 [pid 5636] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5637] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5637] <... futex resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5635] write(3, "1000", 4 [pid 5634] <... futex resumed>) = 1 [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5631] <... futex resumed>) = 0 [pid 5637] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5635] <... write resumed>) = 4 [pid 5634] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5632] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5635] close(3 [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5632] <... futex resumed>) = 0 [pid 5631] <... futex resumed>) = 0 [pid 5637] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5636] <... mmap resumed>) = 0x7f7b61773000 [pid 5635] <... close resumed>) = 0 [pid 5634] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5632] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5636] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5635] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... bpf resumed>) = 5 [pid 5636] <... mprotect resumed>) = 0 [pid 5635] <... futex resumed>) = 0 [pid 5633] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5633] <... futex resumed>) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5633] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] exit_group(0 [pid 5636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5633] <... futex resumed>) = ? [pid 5629] <... exit_group resumed>) = ? [pid 5634] <... bpf resumed>) = 4 [pid 5633] +++ exited with 0 +++ ./strace-static-x86_64: Process 5638 attached [pid 5637] <... bpf resumed>) = 4 [pid 5635] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5634] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5635] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5638] <... rseq resumed>) = 0 [pid 5635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5629] +++ exited with 0 +++ [pid 5638] set_robust_list(0x7f7b617939a0, 24 [pid 5637] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... clone3 resumed> => {parent_tid=[5638]}, 88) = 5638 [pid 5635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5634] <... futex resumed>) = 1 [pid 5631] <... futex resumed>) = 0 [pid 5638] <... set_robust_list resumed>) = 0 [pid 5637] <... futex resumed>) = 1 [pid 5636] rt_sigprocmask(SIG_SETMASK, [], [pid 5635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5634] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5632] <... futex resumed>) = 0 [pid 5631] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5638] rt_sigprocmask(SIG_SETMASK, [], [pid 5637] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5632] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... futex resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5636] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... mmap resumed>) = 0x7f7b61773000 [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5632] <... futex resumed>) = 0 [pid 5631] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5638] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5636] <... futex resumed>) = 0 [pid 5635] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5634] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5632] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5080] <... restart_syscall resumed>) = 0 [pid 5638] <... bpf resumed>) = 3 [pid 5636] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] <... mprotect resumed>) = 0 [pid 5638] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5636] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5638] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5636] <... futex resumed>) = 0 [pid 5635] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5638] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5636] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5639 attached [pid 5638] <... bpf resumed>) = 4 [pid 5639] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5639] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5639] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5640 attached [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5640 [pid 5640] set_robust_list(0x55558a0856a0, 24 [pid 5638] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... bpf resumed>) = 5 [pid 5635] <... clone3 resumed> => {parent_tid=[5639]}, 88) = 5639 [pid 5634] <... bpf resumed>) = 5 [pid 5634] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5631] <... futex resumed>) = 0 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5638] <... futex resumed>) = 1 [pid 5637] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... futex resumed>) = 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [], [pid 5634] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5631] exit_group(0 [pid 5638] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5636] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = ? [pid 5632] <... futex resumed>) = 0 [pid 5631] <... exit_group resumed>) = ? [pid 5638] <... bpf resumed>) = 5 [pid 5637] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 [pid 5635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5634] +++ exited with 0 +++ [pid 5632] exit_group(0 [pid 5638] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5635] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... exit_group resumed>) = ? [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5639] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = 0 [pid 5637] +++ exited with 0 +++ [pid 5636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5635] <... futex resumed>) = 1 [pid 5631] +++ exited with 0 +++ [pid 5640] <... prctl resumed>) = 0 [pid 5640] setpgid(0, 0 [pid 5636] exit_group(0 [pid 5640] <... setpgid resumed>) = 0 [pid 5639] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5639] <... bpf resumed>) = 3 [pid 5636] <... exit_group resumed>) = ? [pid 5635] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5640] <... openat resumed>) = 3 [pid 5639] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] +++ exited with 0 +++ [pid 5635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] write(3, "1000", 4 [pid 5639] <... futex resumed>) = 0 [pid 5640] <... write resumed>) = 4 [pid 5640] close(3 [pid 5639] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5641 attached [pid 5640] <... close resumed>) = 0 [pid 5640] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] set_robust_list(0x55558a0856a0, 24 [pid 5635] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... set_robust_list resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5639] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = 1 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5641 [pid 5641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5639] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5635] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] <... prctl resumed>) = 0 [pid 5640] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5641] setpgid(0, 0) = 0 [pid 5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5639] <... bpf resumed>) = 4 [pid 5640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] <... openat resumed>) = 3 [pid 5640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5639] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] write(3, "1000", 4 [pid 5640] <... mmap resumed>) = 0x7f7b61773000 [pid 5635] <... futex resumed>) = 0 [pid 5639] <... futex resumed>) = 1 [pid 5641] <... write resumed>) = 4 [pid 5640] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5639] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5635] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] close(3 [pid 5635] <... futex resumed>) = 0 [pid 5641] <... close resumed>) = 0 [pid 5640] <... mprotect resumed>) = 0 [pid 5635] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5641] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5636] +++ exited with 0 +++ [pid 5632] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5641] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5641] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5642 attached [pid 5641] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5642] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5641] <... mprotect resumed>) = 0 [pid 5640] <... clone3 resumed> => {parent_tid=[5642]}, 88) = 5642 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5642] <... rseq resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5642] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5642] rt_sigprocmask(SIG_SETMASK, [], [pid 5641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5642] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5643 attached [pid 5640] rt_sigprocmask(SIG_SETMASK, [], [pid 5643] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5641] <... clone3 resumed> => {parent_tid=[5643]}, 88) = 5643 [pid 5643] <... rseq resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [], [pid 5643] set_robust_list(0x7f7b617939a0, 24 [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5643] <... set_robust_list resumed>) = 0 [pid 5641] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] rt_sigprocmask(SIG_SETMASK, [], [pid 5641] <... futex resumed>) = 0 [pid 5643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5644 attached [pid 5640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5643] <... bpf resumed>) = 3 [pid 5640] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 1 [pid 5643] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5644] set_robust_list(0x55558a0856a0, 24 [pid 5640] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5645 attached [pid 5644] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5644 [pid 5645] set_robust_list(0x55558a0856a0, 24 [pid 5643] <... futex resumed>) = 1 [pid 5642] <... bpf resumed>) = 3 [pid 5641] <... futex resumed>) = 0 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5643] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5645 [pid 5645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5644] <... prctl resumed>) = 0 [pid 5643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] <... futex resumed>) = 1 [pid 5641] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5645] <... prctl resumed>) = 0 [pid 5644] setpgid(0, 0 [pid 5643] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5642] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] setpgid(0, 0 [pid 5644] <... setpgid resumed>) = 0 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] <... futex resumed>) = 0 [pid 5643] <... bpf resumed>) = 4 [pid 5642] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5640] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] <... setpgid resumed>) = 0 [pid 5644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5643] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... openat resumed>) = 3 [pid 5643] <... futex resumed>) = 1 [pid 5642] <... bpf resumed>) = 4 [pid 5641] <... futex resumed>) = 0 [pid 5645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5644] write(3, "1000", 4 [pid 5643] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] <... futex resumed>) = 1 [pid 5641] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5644] <... write resumed>) = 4 [pid 5643] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5642] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5640] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... openat resumed>) = 3 [pid 5643] <... bpf resumed>) = 5 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] <... futex resumed>) = 0 [pid 5639] <... bpf resumed>) = 5 [pid 5644] close(3 [pid 5643] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5640] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5643] <... futex resumed>) = 1 [pid 5642] <... bpf resumed>) = 5 [pid 5641] <... futex resumed>) = 0 [pid 5645] write(3, "1000", 4 [pid 5644] <... close resumed>) = 0 [pid 5643] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] exit_group(0 [pid 5645] <... write resumed>) = 4 [pid 5644] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = ? [pid 5642] <... futex resumed>) = 1 [pid 5641] <... exit_group resumed>) = ? [pid 5640] <... futex resumed>) = 0 [pid 5639] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] close(3 [pid 5644] <... futex resumed>) = 0 [pid 5643] +++ exited with 0 +++ [pid 5642] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] exit_group(0 [pid 5639] <... futex resumed>) = 1 [pid 5635] <... futex resumed>) = 0 [pid 5645] <... close resumed>) = 0 [pid 5644] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5642] <... futex resumed>) = ? [pid 5640] <... exit_group resumed>) = ? [pid 5639] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5635] exit_group(0 [pid 5645] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5639] <... futex resumed>) = ? [pid 5635] <... exit_group resumed>) = ? [pid 5645] <... futex resumed>) = 0 [pid 5644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5642] +++ exited with 0 +++ [pid 5641] +++ exited with 0 +++ [pid 5640] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5639] +++ exited with 0 +++ [pid 5635] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] <... restart_syscall resumed>) = 0 [pid 5644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5645] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5645] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5644] <... mmap resumed>) = 0x7f7b61773000 ./strace-static-x86_64: Process 5646 attached [pid 5645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5644] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5646 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5646] set_robust_list(0x55558a0856a0, 24 [pid 5645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5644] <... mprotect resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5646] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5647 attached [pid 5646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5645] <... mmap resumed>) = 0x7f7b61773000 [pid 5644] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5647] set_robust_list(0x55558a0856a0, 24 [pid 5646] <... prctl resumed>) = 0 [pid 5645] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5644] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5647] <... set_robust_list resumed>) = 0 [pid 5646] setpgid(0, 0 [pid 5644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5646] <... setpgid resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5647 ./strace-static-x86_64: Process 5649 attached ./strace-static-x86_64: Process 5648 attached [pid 5647] <... prctl resumed>) = 0 [pid 5646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5645] <... mprotect resumed>) = 0 [pid 5649] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5648] set_robust_list(0x55558a0856a0, 24 [pid 5647] setpgid(0, 0 [pid 5649] <... rseq resumed>) = 0 [pid 5647] <... setpgid resumed>) = 0 [pid 5646] <... openat resumed>) = 3 [pid 5644] <... clone3 resumed> => {parent_tid=[5649]}, 88) = 5649 [pid 5649] set_robust_list(0x7f7b617939a0, 24 [pid 5648] <... set_robust_list resumed>) = 0 [pid 5647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5645] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5644] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5648 [pid 5649] <... set_robust_list resumed>) = 0 [pid 5648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5646] write(3, "1000", 4 [pid 5645] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5649] rt_sigprocmask(SIG_SETMASK, [], [pid 5648] <... prctl resumed>) = 0 [pid 5647] <... openat resumed>) = 3 [pid 5646] <... write resumed>) = 4 [pid 5645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5644] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5650 attached [pid 5649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5647] write(3, "1000", 4 [pid 5646] close(3 [pid 5644] <... futex resumed>) = 0 [pid 5650] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5649] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5648] setpgid(0, 0 [pid 5647] <... write resumed>) = 4 [pid 5646] <... close resumed>) = 0 [pid 5645] <... clone3 resumed> => {parent_tid=[5650]}, 88) = 5650 [pid 5644] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5650] <... rseq resumed>) = 0 [pid 5649] <... bpf resumed>) = 3 [pid 5648] <... setpgid resumed>) = 0 [pid 5647] close(3 [pid 5646] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] rt_sigprocmask(SIG_SETMASK, [], [pid 5650] set_robust_list(0x7f7b617939a0, 24 [pid 5649] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5647] <... close resumed>) = 0 [pid 5650] <... set_robust_list resumed>) = 0 [pid 5650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5649] <... futex resumed>) = 1 [pid 5648] <... openat resumed>) = 3 [pid 5647] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... futex resumed>) = 0 [pid 5645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5644] <... futex resumed>) = 0 [pid 5650] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] write(3, "1000", 4 [pid 5647] <... futex resumed>) = 0 [pid 5646] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5645] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... write resumed>) = 4 [pid 5647] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5646] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5644] <... futex resumed>) = 0 [pid 5649] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5648] close(3 [pid 5647] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5646] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5645] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5644] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5650] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5649] <... bpf resumed>) = 4 [pid 5648] <... close resumed>) = 0 [pid 5647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5649] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5650] <... bpf resumed>) = 3 [pid 5649] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5646] <... mmap resumed>) = 0x7f7b61773000 [pid 5644] <... futex resumed>) = 0 [pid 5650] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5647] <... mmap resumed>) = 0x7f7b61773000 [pid 5646] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5644] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] <... futex resumed>) = 1 [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5647] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5646] <... mprotect resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5644] <... futex resumed>) = 0 [pid 5650] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5647] <... mprotect resumed>) = 0 [pid 5645] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... bpf resumed>) = 5 [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5646] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5645] <... futex resumed>) = 0 [pid 5650] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5649] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5646] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5645] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] <... futex resumed>) = 1 [pid 5648] <... mmap resumed>) = 0x7f7b61773000 [pid 5647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5644] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5652 attached [pid 5649] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5644] exit_group(0./strace-static-x86_64: Process 5651 attached [pid 5652] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5650] <... bpf resumed>) = 4 [pid 5648] <... mprotect resumed>) = 0 [pid 5652] <... rseq resumed>) = 0 [pid 5651] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5650] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = ? [pid 5647] <... clone3 resumed> => {parent_tid=[5651]}, 88) = 5651 [pid 5646] <... clone3 resumed> => {parent_tid=[5652]}, 88) = 5652 [pid 5644] <... exit_group resumed>) = ? [pid 5651] <... rseq resumed>) = 0 [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5652] set_robust_list(0x7f7b617939a0, 24 [pid 5651] set_robust_list(0x7f7b617939a0, 24 [pid 5649] +++ exited with 0 +++ [pid 5647] rt_sigprocmask(SIG_SETMASK, [], [pid 5651] <... set_robust_list resumed>) = 0 [pid 5650] <... futex resumed>) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5651] rt_sigprocmask(SIG_SETMASK, [], [pid 5650] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] <... futex resumed>) = 0 [pid 5652] <... set_robust_list resumed>) = 0 [pid 5651] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5646] rt_sigprocmask(SIG_SETMASK, [], [pid 5645] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5644] +++ exited with 0 +++ [pid 5652] rt_sigprocmask(SIG_SETMASK, [], [pid 5648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5647] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5651] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = 1 [pid 5646] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5653 attached [pid 5652] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5651] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5647] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5646] <... futex resumed>) = 0 [pid 5653] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5652] <... bpf resumed>) = 3 [pid 5651] <... bpf resumed>) = 3 [pid 5648] <... clone3 resumed> => {parent_tid=[5653]}, 88) = 5653 [pid 5646] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5653] <... rseq resumed>) = 0 [pid 5652] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5653] set_robust_list(0x7f7b617939a0, 24 [pid 5652] <... futex resumed>) = 1 [pid 5651] <... futex resumed>) = 1 [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5646] <... futex resumed>) = 0 [pid 5651] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] <... set_robust_list resumed>) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5652] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... futex resumed>) = 0 [pid 5646] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... futex resumed>) = 0 [pid 5647] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... futex resumed>) = 0 [pid 5652] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5651] <... futex resumed>) = 0 [pid 5648] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] <... futex resumed>) = 1 [pid 5646] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5653] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5652] <... bpf resumed>) = 4 [pid 5650] <... bpf resumed>) = 5 [pid 5647] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5654 attached [pid 5653] <... bpf resumed>) = 3 [pid 5651] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5654] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5652] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5652] <... futex resumed>) = 1 [pid 5646] <... futex resumed>) = 0 [pid 5654] <... prctl resumed>) = 0 [pid 5652] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] setpgid(0, 0 [pid 5652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5646] <... futex resumed>) = 0 [pid 5654] <... setpgid resumed>) = 0 [pid 5652] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5646] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5652] <... bpf resumed>) = 5 [pid 5654] <... openat resumed>) = 3 [pid 5651] <... bpf resumed>) = 4 [pid 5653] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5654 [pid 5653] <... futex resumed>) = 1 [pid 5651] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] write(3, "1000", 4 [pid 5653] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5652] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5654] <... write resumed>) = 4 [pid 5652] <... futex resumed>) = 1 [pid 5651] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... futex resumed>) = 0 [pid 5645] exit_group(0 [pid 5654] close(3 [pid 5653] <... futex resumed>) = 0 [pid 5652] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = ? [pid 5648] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5646] exit_group(0 [pid 5645] <... exit_group resumed>) = ? [pid 5654] <... close resumed>) = 0 [pid 5653] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5652] <... futex resumed>) = ? [pid 5651] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5650] +++ exited with 0 +++ [pid 5648] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5646] <... exit_group resumed>) = ? [pid 5654] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] +++ exited with 0 +++ [pid 5651] <... bpf resumed>) = 5 [pid 5654] <... futex resumed>) = 0 [pid 5654] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5653] <... bpf resumed>) = 4 [pid 5651] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5651] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5651] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] exit_group(0 [pid 5654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5647] <... exit_group resumed>) = ? [pid 5651] <... futex resumed>) = ? [pid 5654] <... mmap resumed>) = 0x7f7b61773000 [pid 5654] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5654] <... mprotect resumed>) = 0 [pid 5654] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 5655 attached [pid 5653] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] set_robust_list(0x55558a0856a0, 24 [pid 5654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5653] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5655 [pid 5655] <... set_robust_list resumed>) = 0 [pid 5648] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5648] <... futex resumed>) = 0 [pid 5648] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5656 attached [pid 5655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5654] <... clone3 resumed> => {parent_tid=[5656]}, 88) = 5656 [pid 5656] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5655] <... prctl resumed>) = 0 [pid 5654] rt_sigprocmask(SIG_SETMASK, [], [pid 5656] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5655] setpgid(0, 0 [pid 5654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5656] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5655] <... setpgid resumed>) = 0 [pid 5654] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5656] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5651] +++ exited with 0 +++ [pid 5647] +++ exited with 0 +++ [pid 5645] +++ exited with 0 +++ [pid 5656] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5656] <... futex resumed>) = 1 [pid 5654] <... futex resumed>) = 0 [pid 5656] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] <... futex resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5656] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5654] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5656] <... bpf resumed>) = 4 [pid 5655] <... openat resumed>) = 3 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5656] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] write(3, "1000", 4 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5656] <... futex resumed>) = 1 [pid 5654] <... futex resumed>) = 0 [pid 5656] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] <... futex resumed>) = 0 [pid 5656] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5654] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5655] <... write resumed>) = 4 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5655] close(3) = 0 [pid 5655] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5655] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 ./strace-static-x86_64: Process 5657 attached [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5657] set_robust_list(0x55558a0856a0, 24 [pid 5655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5657 [pid 5657] <... set_robust_list resumed>) = 0 [pid 5655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5658 attached [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5658 [pid 5657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5655] <... mmap resumed>) = 0x7f7b61773000 [pid 5658] set_robust_list(0x55558a0856a0, 24 [pid 5657] <... prctl resumed>) = 0 [pid 5655] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5658] <... set_robust_list resumed>) = 0 [pid 5657] setpgid(0, 0 [pid 5655] <... mprotect resumed>) = 0 [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5657] <... setpgid resumed>) = 0 [pid 5658] <... prctl resumed>) = 0 [pid 5657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5658] setpgid(0, 0) = 0 [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5657] <... openat resumed>) = 3 [pid 5657] write(3, "1000", 4 [pid 5658] <... openat resumed>) = 3 [pid 5656] <... bpf resumed>) = 5 [pid 5655] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5653] <... bpf resumed>) = 5 [pid 5658] write(3, "1000", 4 [pid 5657] <... write resumed>) = 4 [pid 5656] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5653] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5659 attached [pid 5658] <... write resumed>) = 4 [pid 5657] close(3 [pid 5656] <... futex resumed>) = 1 [pid 5654] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5659] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5658] close(3 [pid 5657] <... close resumed>) = 0 [pid 5656] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] <... clone3 resumed> => {parent_tid=[5659]}, 88) = 5659 [pid 5654] exit_group(0 [pid 5653] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] exit_group(0 [pid 5659] <... rseq resumed>) = 0 [pid 5658] <... close resumed>) = 0 [pid 5657] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] <... futex resumed>) = ? [pid 5655] rt_sigprocmask(SIG_SETMASK, [], [pid 5654] <... exit_group resumed>) = ? [pid 5653] <... futex resumed>) = ? [pid 5648] <... exit_group resumed>) = ? [pid 5659] set_robust_list(0x7f7b617939a0, 24 [pid 5658] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] <... futex resumed>) = 0 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5658] <... futex resumed>) = 0 [pid 5657] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5656] +++ exited with 0 +++ [pid 5655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5653] +++ exited with 0 +++ [pid 5659] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5657] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5655] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... mmap resumed>) = 0x7f7b61773000 [pid 5657] <... mmap resumed>) = 0x7f7b61773000 [pid 5659] <... futex resumed>) = 0 [pid 5658] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5657] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5655] <... futex resumed>) = 1 [pid 5659] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5658] <... mprotect resumed>) = 0 [pid 5657] <... mprotect resumed>) = 0 [pid 5655] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] <... bpf resumed>) = 3 [pid 5658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5657] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5659] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5657] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5659] <... futex resumed>) = 1 [pid 5658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5655] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5660 attached [pid 5659] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5658] <... clone3 resumed> => {parent_tid=[5660]}, 88) = 5660 [pid 5657] <... clone3 resumed> => {parent_tid=[5661]}, 88) = 5661 [pid 5660] <... rseq resumed>) = 0 [pid 5658] rt_sigprocmask(SIG_SETMASK, [], [pid 5657] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5661 attached [pid 5660] set_robust_list(0x7f7b617939a0, 24 [pid 5659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5655] <... futex resumed>) = 0 [pid 5661] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5660] <... set_robust_list resumed>) = 0 [pid 5659] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5658] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] <... rseq resumed>) = 0 [pid 5660] rt_sigprocmask(SIG_SETMASK, [], [pid 5658] <... futex resumed>) = 0 [pid 5657] <... futex resumed>) = 0 [pid 5661] set_robust_list(0x7f7b617939a0, 24 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] <... set_robust_list resumed>) = 0 [pid 5660] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5660] <... bpf resumed>) = 3 [pid 5660] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5658] <... futex resumed>) = 0 [pid 5661] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5660] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... bpf resumed>) = 3 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... futex resumed>) = 0 [pid 5661] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5658] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] +++ exited with 0 +++ [pid 5661] <... futex resumed>) = 1 [pid 5660] <... bpf resumed>) = 4 [pid 5657] <... futex resumed>) = 0 [pid 5654] +++ exited with 0 +++ [pid 5661] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5657] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5648, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5657] <... futex resumed>) = 1 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5661] <... futex resumed>) = 0 [pid 5660] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... bpf resumed>) = 4 [pid 5657] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5660] <... futex resumed>) = 1 [pid 5659] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5662 attached [pid 5661] <... bpf resumed>) = 4 [pid 5660] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] <... futex resumed>) = 1 [pid 5658] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... futex resumed>) = 0 [pid 5661] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5659] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... futex resumed>) = 1 [pid 5660] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5662] set_robust_list(0x55558a0856a0, 24 [pid 5659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... futex resumed>) = 0 [pid 5657] <... futex resumed>) = 0 [pid 5655] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5662 ./strace-static-x86_64: Process 5663 attached [pid 5662] <... set_robust_list resumed>) = 0 [pid 5661] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5659] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5658] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5657] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5663] set_robust_list(0x55558a0856a0, 24 [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5657] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5663 [pid 5663] <... set_robust_list resumed>) = 0 [pid 5657] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5662] <... prctl resumed>) = 0 [pid 5663] <... prctl resumed>) = 0 [pid 5662] setpgid(0, 0 [pid 5663] setpgid(0, 0) = 0 [pid 5662] <... setpgid resumed>) = 0 [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5662] <... openat resumed>) = 3 [pid 5661] <... bpf resumed>) = 5 [pid 5660] <... bpf resumed>) = 5 [pid 5659] <... bpf resumed>) = 5 [pid 5663] <... openat resumed>) = 3 [pid 5662] write(3, "1000", 4 [pid 5661] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... futex resumed>) = 1 [pid 5657] <... futex resumed>) = 0 [pid 5663] write(3, "1000", 4 [pid 5662] <... write resumed>) = 4 [pid 5661] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] <... futex resumed>) = 1 [pid 5659] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 0 [pid 5657] exit_group(0 [pid 5655] <... futex resumed>) = 0 [pid 5663] <... write resumed>) = 4 [pid 5662] close(3 [pid 5660] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] exit_group(0 [pid 5663] close(3 [pid 5662] <... close resumed>) = 0 [pid 5661] <... futex resumed>) = ? [pid 5660] <... futex resumed>) = ? [pid 5658] <... exit_group resumed>) = ? [pid 5657] <... exit_group resumed>) = ? [pid 5655] exit_group(0 [pid 5663] <... close resumed>) = 0 [pid 5662] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] +++ exited with 0 +++ [pid 5660] +++ exited with 0 +++ [pid 5663] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... futex resumed>) = 0 [pid 5659] <... futex resumed>) = ? [pid 5655] <... exit_group resumed>) = ? [pid 5662] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5659] +++ exited with 0 +++ [pid 5655] +++ exited with 0 +++ [pid 5663] <... futex resumed>) = 0 [pid 5662] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5663] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5655, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5663] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5662] <... mmap resumed>) = 0x7f7b61773000 [pid 5663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5664 attached [pid 5662] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5663] <... mmap resumed>) = 0x7f7b61773000 [pid 5662] <... mprotect resumed>) = 0 [pid 5663] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5663] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5664] set_robust_list(0x55558a0856a0, 24 [pid 5662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5664 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5663] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5664] <... prctl resumed>) = 0 [pid 5664] setpgid(0, 0 [pid 5663] <... clone3 resumed> => {parent_tid=[5665]}, 88) = 5665 [pid 5662] <... clone3 resumed> => {parent_tid=[5666]}, 88) = 5666 ./strace-static-x86_64: Process 5666 attached ./strace-static-x86_64: Process 5665 attached [pid 5664] <... setpgid resumed>) = 0 [pid 5663] rt_sigprocmask(SIG_SETMASK, [], [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5666] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5665] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] +++ exited with 0 +++ [pid 5666] <... rseq resumed>) = 0 [pid 5665] <... rseq resumed>) = 0 [pid 5663] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5657] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5666] set_robust_list(0x7f7b617939a0, 24 [pid 5665] set_robust_list(0x7f7b617939a0, 24 [pid 5664] <... openat resumed>) = 3 [pid 5663] <... futex resumed>) = 0 [pid 5662] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... set_robust_list resumed>) = 0 [pid 5665] <... set_robust_list resumed>) = 0 [pid 5664] write(3, "1000", 4 [pid 5663] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5657, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5666] rt_sigprocmask(SIG_SETMASK, [], [pid 5665] rt_sigprocmask(SIG_SETMASK, [], [pid 5664] <... write resumed>) = 4 [pid 5662] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5664] close(3 [pid 5666] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5665] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5668 attached ./strace-static-x86_64: Process 5667 attached [pid 5666] <... bpf resumed>) = 3 [pid 5664] <... close resumed>) = 0 [pid 5668] set_robust_list(0x55558a0856a0, 24 [pid 5667] set_robust_list(0x55558a0856a0, 24 [pid 5666] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... bpf resumed>) = 3 [pid 5664] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5667 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5665] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5667] <... set_robust_list resumed>) = 0 [pid 5666] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5665] <... futex resumed>) = 1 [pid 5662] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5664] <... futex resumed>) = 0 [pid 5663] <... futex resumed>) = 0 [pid 5663] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5665] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5664] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5663] <... futex resumed>) = 0 [pid 5662] <... futex resumed>) = 0 [pid 5666] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5668 [pid 5667] <... prctl resumed>) = 0 [pid 5664] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5663] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] setpgid(0, 0 [pid 5665] <... bpf resumed>) = 4 [pid 5664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5662] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... setpgid resumed>) = 0 [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5668] <... prctl resumed>) = 0 [pid 5667] <... openat resumed>) = 3 [pid 5666] <... bpf resumed>) = 4 [pid 5664] <... mmap resumed>) = 0x7f7b61773000 [pid 5667] write(3, "1000", 4 [pid 5664] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5667] <... write resumed>) = 4 [pid 5664] <... mprotect resumed>) = 0 [pid 5668] setpgid(0, 0 [pid 5667] close(3 [pid 5666] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5668] <... setpgid resumed>) = 0 [pid 5667] <... close resumed>) = 0 [pid 5666] <... futex resumed>) = 1 [pid 5665] <... futex resumed>) = 1 [pid 5664] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5663] <... futex resumed>) = 0 [pid 5662] <... futex resumed>) = 0 [pid 5667] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5663] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5667] <... futex resumed>) = 0 [pid 5666] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5663] <... futex resumed>) = 0 [pid 5662] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5669 attached [pid 5665] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5663] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5662] <... futex resumed>) = 0 [pid 5669] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5668] <... openat resumed>) = 3 [pid 5667] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5664] <... clone3 resumed> => {parent_tid=[5669]}, 88) = 5669 [pid 5662] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5669] <... rseq resumed>) = 0 [pid 5668] write(3, "1000", 4 [pid 5667] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5664] rt_sigprocmask(SIG_SETMASK, [], [pid 5669] set_robust_list(0x7f7b617939a0, 24 [pid 5668] <... write resumed>) = 4 [pid 5667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5668] close(3 [pid 5667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5669] rt_sigprocmask(SIG_SETMASK, [], [pid 5668] <... close resumed>) = 0 [pid 5669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5668] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5666] <... bpf resumed>) = 5 [pid 5665] <... bpf resumed>) = 5 [pid 5664] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... futex resumed>) = 0 [pid 5669] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5668] <... futex resumed>) = 0 [pid 5667] <... mmap resumed>) = 0x7f7b61773000 [pid 5666] <... futex resumed>) = 1 [pid 5665] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] <... futex resumed>) = 0 [pid 5668] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5669] <... bpf resumed>) = 3 [pid 5667] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5665] <... futex resumed>) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5662] exit_group(0 [pid 5666] ???( [pid 5669] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5667] <... mprotect resumed>) = 0 [pid 5666] <... ??? resumed>) = ? [pid 5665] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] exit_group(0 [pid 5662] <... exit_group resumed>) = ? [pid 5669] <... futex resumed>) = 1 [pid 5668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5667] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5666] +++ exited with 0 +++ [pid 5664] <... futex resumed>) = 0 [pid 5663] <... exit_group resumed>) = ? [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5665] <... futex resumed>) = ? [pid 5669] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5667] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5665] +++ exited with 0 +++ [pid 5664] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... mmap resumed>) = 0x7f7b61773000 [pid 5667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5670 attached [pid 5669] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5664] <... futex resumed>) = 0 [pid 5670] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5668] <... mprotect resumed>) = 0 [pid 5667] <... clone3 resumed> => {parent_tid=[5670]}, 88) = 5670 [pid 5664] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] <... rseq resumed>) = 0 [pid 5669] <... bpf resumed>) = 4 [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5667] rt_sigprocmask(SIG_SETMASK, [], [pid 5670] set_robust_list(0x7f7b617939a0, 24 [pid 5669] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... set_robust_list resumed>) = 0 [pid 5669] <... futex resumed>) = 1 [pid 5664] <... futex resumed>) = 0 [pid 5670] rt_sigprocmask(SIG_SETMASK, [], [pid 5669] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5664] <... futex resumed>) = 0 [pid 5670] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5664] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5667] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] +++ exited with 0 +++ [pid 5662] +++ exited with 0 +++ [pid 5670] <... futex resumed>) = 0 [pid 5668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5667] <... futex resumed>) = 1 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5671 attached [pid 5670] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5667] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5670] <... bpf resumed>) = 3 [pid 5668] <... clone3 resumed> => {parent_tid=[5671]}, 88) = 5671 [pid 5671] <... rseq resumed>) = 0 [pid 5670] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5670] <... futex resumed>) = 1 [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5667] <... futex resumed>) = 0 [pid 5671] set_robust_list(0x7f7b617939a0, 24 [pid 5670] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5668] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5672 attached [pid 5671] rt_sigprocmask(SIG_SETMASK, [], [pid 5668] <... futex resumed>) = 0 [pid 5667] <... futex resumed>) = 0 [pid 5671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5671] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5670] <... bpf resumed>) = 4 [pid 5672] set_robust_list(0x55558a0856a0, 24 [pid 5670] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] <... bpf resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5672 [pid 5672] <... set_robust_list resumed>) = 0 [pid 5671] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... futex resumed>) = 0 [pid 5667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5671] <... futex resumed>) = 1 [pid 5670] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] <... futex resumed>) = 0 [pid 5667] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5668] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5673 attached [pid 5672] <... prctl resumed>) = 0 [pid 5670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] <... futex resumed>) = 0 [pid 5667] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5673] set_robust_list(0x55558a0856a0, 24 [pid 5672] setpgid(0, 0 [pid 5670] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5668] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... set_robust_list resumed>) = 0 [pid 5672] <... setpgid resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5673 [pid 5673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5671] <... bpf resumed>) = 4 [pid 5673] <... prctl resumed>) = 0 [pid 5671] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... openat resumed>) = 3 [pid 5672] write(3, "1000", 4) = 4 [pid 5672] close(3) = 0 [pid 5672] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = 0 [pid 5671] <... futex resumed>) = 1 [pid 5673] setpgid(0, 0 [pid 5668] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... setpgid resumed>) = 0 [pid 5671] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5668] <... futex resumed>) = 0 [pid 5672] <... futex resumed>) = 0 [pid 5668] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5672] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5673] <... openat resumed>) = 3 [pid 5671] <... bpf resumed>) = 5 [pid 5670] <... bpf resumed>) = 5 [pid 5669] <... bpf resumed>) = 5 [pid 5672] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5671] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... mprotect resumed>) = 0 [pid 5671] <... futex resumed>) = 1 [pid 5669] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5673] write(3, "1000", 4 [pid 5672] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5671] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] exit_group(0 [pid 5664] exit_group(0 [pid 5673] <... write resumed>) = 4 [pid 5672] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5671] <... futex resumed>) = ? [pid 5670] <... futex resumed>) = 1 [pid 5669] <... futex resumed>) = ? [pid 5668] <... exit_group resumed>) = ? [pid 5667] <... futex resumed>) = 0 [pid 5664] <... exit_group resumed>) = ? [pid 5673] close(3 [pid 5672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5671] +++ exited with 0 +++ [pid 5670] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] +++ exited with 0 +++ [pid 5667] exit_group(0 [pid 5673] <... close resumed>) = 0 ./strace-static-x86_64: Process 5674 attached [pid 5673] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... futex resumed>) = ? [pid 5667] <... exit_group resumed>) = ? [pid 5664] +++ exited with 0 +++ [pid 5674] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5673] <... futex resumed>) = 0 [pid 5672] <... clone3 resumed> => {parent_tid=[5674]}, 88) = 5674 [pid 5674] <... rseq resumed>) = 0 [pid 5672] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5674] set_robust_list(0x7f7b617939a0, 24 [pid 5672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5674] <... set_robust_list resumed>) = 0 [pid 5672] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5672] <... futex resumed>) = 0 [pid 5673] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5675 attached [pid 5674] rt_sigprocmask(SIG_SETMASK, [], [pid 5673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5672] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5675] set_robust_list(0x55558a0856a0, 24 [pid 5674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5675] <... set_robust_list resumed>) = 0 [pid 5674] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5675 [pid 5675] <... prctl resumed>) = 0 [pid 5673] <... mmap resumed>) = 0x7f7b61773000 [pid 5675] setpgid(0, 0 [pid 5673] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5674] <... bpf resumed>) = 3 [pid 5675] <... setpgid resumed>) = 0 [pid 5674] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... mprotect resumed>) = 0 [pid 5675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5674] <... futex resumed>) = 1 [pid 5672] <... futex resumed>) = 0 [pid 5675] <... openat resumed>) = 3 [pid 5674] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5672] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] write(3, "1000", 4 [pid 5673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5672] <... futex resumed>) = 0 [pid 5675] <... write resumed>) = 4 [pid 5673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5672] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5675] close(3 [pid 5674] <... bpf resumed>) = 4 [pid 5673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5675] <... close resumed>) = 0 [pid 5674] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5672] <... futex resumed>) = 0 [pid 5675] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5676 attached [pid 5674] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5672] <... futex resumed>) = 0 [pid 5676] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5675] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5672] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5676] <... rseq resumed>) = 0 [pid 5673] <... clone3 resumed> => {parent_tid=[5676]}, 88) = 5676 [pid 5675] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5676] set_robust_list(0x7f7b617939a0, 24 [pid 5673] rt_sigprocmask(SIG_SETMASK, [], [pid 5670] +++ exited with 0 +++ [pid 5668] +++ exited with 0 +++ [pid 5667] +++ exited with 0 +++ [pid 5676] <... set_robust_list resumed>) = 0 [pid 5675] <... mmap resumed>) = 0x7f7b61773000 [pid 5673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5676] rt_sigprocmask(SIG_SETMASK, [], [pid 5675] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5673] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5675] <... mprotect resumed>) = 0 [pid 5673] <... futex resumed>) = 0 [pid 5676] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5675] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5673] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5677 attached [pid 5676] <... bpf resumed>) = 3 [pid 5677] set_robust_list(0x55558a0856a0, 24 [pid 5676] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5677 ./strace-static-x86_64: Process 5678 attached [pid 5677] <... set_robust_list resumed>) = 0 [pid 5676] <... futex resumed>) = 1 [pid 5675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5673] <... futex resumed>) = 0 [pid 5678] set_robust_list(0x55558a0856a0, 24 [pid 5673] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5678 [pid 5678] <... set_robust_list resumed>) = 0 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5676] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5673] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5679 attached [pid 5678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] <... prctl resumed>) = 0 [pid 5673] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5678] <... prctl resumed>) = 0 [pid 5679] set_robust_list(0x7f7b617939a0, 24 [pid 5678] setpgid(0, 0 [pid 5679] <... set_robust_list resumed>) = 0 [pid 5679] rt_sigprocmask(SIG_SETMASK, [], [pid 5678] <... setpgid resumed>) = 0 [pid 5679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5679] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5676] <... bpf resumed>) = 4 [pid 5678] <... openat resumed>) = 3 [pid 5677] setpgid(0, 0 [pid 5676] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... clone3 resumed> => {parent_tid=[5679]}, 88) = 5679 [pid 5674] <... bpf resumed>) = 5 [pid 5678] write(3, "1000", 4 [pid 5677] <... setpgid resumed>) = 0 [pid 5676] <... futex resumed>) = 1 [pid 5675] rt_sigprocmask(SIG_SETMASK, [], [pid 5674] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = 0 [pid 5678] <... write resumed>) = 4 [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5676] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5674] <... futex resumed>) = 1 [pid 5673] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5678] close(3 [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] <... futex resumed>) = 0 [pid 5672] exit_group(0 [pid 5679] <... futex resumed>) = 0 [pid 5678] <... close resumed>) = 0 [pid 5677] <... openat resumed>) = 3 [pid 5676] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5675] <... futex resumed>) = 1 [pid 5673] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5674] <... futex resumed>) = ? [pid 5672] <... exit_group resumed>) = ? [pid 5679] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5678] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... bpf resumed>) = 5 [pid 5675] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5679] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] write(3, "1000", 4) = 4 [pid 5677] close(3) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5676] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5677] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... futex resumed>) = 1 [pid 5675] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = 0 [pid 5676] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5675] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5677] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5673] exit_group(0 [pid 5676] <... futex resumed>) = ? [pid 5673] <... exit_group resumed>) = ? [pid 5679] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5677] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5676] +++ exited with 0 +++ [pid 5675] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] <... bpf resumed>) = 4 [pid 5678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5674] +++ exited with 0 +++ [pid 5673] +++ exited with 0 +++ [pid 5672] +++ exited with 0 +++ [pid 5679] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... mmap resumed>) = 0x7f7b61773000 [pid 5679] <... futex resumed>) = 1 [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5675] <... futex resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5675] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5677] <... mmap resumed>) = 0x7f7b61773000 [pid 5675] <... futex resumed>) = 0 [pid 5678] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5675] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5678] <... mprotect resumed>) = 0 [pid 5677] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5677] <... mprotect resumed>) = 0 [pid 5678] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5678] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5682 attached ./strace-static-x86_64: Process 5681 attached ./strace-static-x86_64: Process 5680 attached [pid 5679] <... bpf resumed>) = 5 [pid 5677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5682] set_robust_list(0x55558a0856a0, 24 [pid 5681] set_robust_list(0x55558a0856a0, 24 [pid 5680] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5679] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5679] <... futex resumed>) = 1 [pid 5675] <... futex resumed>) = 0 [pid 5682] <... set_robust_list resumed>) = 0 [pid 5679] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] <... clone3 resumed> => {parent_tid=[5680]}, 88) = 5680 [pid 5675] exit_group(0 [pid 5680] <... rseq resumed>) = 0 [pid 5681] <... set_robust_list resumed>) = 0 [pid 5678] rt_sigprocmask(SIG_SETMASK, [], [pid 5680] set_robust_list(0x7f7b617939a0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5681 [pid 5680] <... set_robust_list resumed>) = 0 [pid 5678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5678] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5683 attached [pid 5682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5679] <... futex resumed>) = ? [pid 5678] <... futex resumed>) = 0 [pid 5677] <... clone3 resumed> => {parent_tid=[5683]}, 88) = 5683 [pid 5675] <... exit_group resumed>) = ? [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5682 [pid 5683] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5682] <... prctl resumed>) = 0 [pid 5681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5680] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5679] +++ exited with 0 +++ [pid 5678] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] rt_sigprocmask(SIG_SETMASK, [], [pid 5683] <... rseq resumed>) = 0 [pid 5682] setpgid(0, 0 [pid 5681] <... prctl resumed>) = 0 [pid 5680] <... bpf resumed>) = 3 [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5675] +++ exited with 0 +++ [pid 5683] set_robust_list(0x7f7b617939a0, 24 [pid 5682] <... setpgid resumed>) = 0 [pid 5681] setpgid(0, 0 [pid 5680] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5683] <... set_robust_list resumed>) = 0 [pid 5682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5681] <... setpgid resumed>) = 0 [pid 5680] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5683] rt_sigprocmask(SIG_SETMASK, [], [pid 5682] <... openat resumed>) = 3 [pid 5681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5680] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] <... futex resumed>) = 0 [pid 5677] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5683] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5682] write(3, "1000", 4 [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... bpf resumed>) = 3 [pid 5682] <... write resumed>) = 4 [pid 5681] <... openat resumed>) = 3 [pid 5680] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5678] <... futex resumed>) = 0 [pid 5683] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] close(3 [pid 5681] write(3, "1000", 4 [pid 5683] <... futex resumed>) = 1 [pid 5678] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] <... futex resumed>) = 0 [pid 5683] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] <... close resumed>) = 0 [pid 5681] <... write resumed>) = 4 [pid 5677] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5682] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] close(3 [pid 5677] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5683] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5677] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5682] <... futex resumed>) = 0 [pid 5681] <... close resumed>) = 0 [pid 5680] <... bpf resumed>) = 4 [pid 5682] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5681] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5681] <... futex resumed>) = 0 [pid 5680] <... futex resumed>) = 1 [pid 5678] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5684 attached [pid 5683] <... bpf resumed>) = 4 [pid 5682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5684 [pid 5678] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] set_robust_list(0x55558a0856a0, 24 [pid 5681] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5680] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5681] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5678] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5684] <... set_robust_list resumed>) = 0 [pid 5683] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... mmap resumed>) = 0x7f7b61773000 [pid 5681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5683] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5684] <... prctl resumed>) = 0 [pid 5683] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5677] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5684] setpgid(0, 0 [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5677] <... futex resumed>) = 0 [pid 5684] <... setpgid resumed>) = 0 [pid 5683] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5677] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5683] <... bpf resumed>) = 5 [pid 5681] <... mmap resumed>) = 0x7f7b61773000 [pid 5680] <... bpf resumed>) = 5 [pid 5684] <... openat resumed>) = 3 [pid 5682] <... mprotect resumed>) = 0 [pid 5681] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5684] write(3, "1000", 4) = 4 [pid 5683] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... mprotect resumed>) = 0 [pid 5684] close(3 [pid 5683] <... futex resumed>) = 1 [pid 5682] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5677] <... futex resumed>) = 0 [pid 5684] <... close resumed>) = 0 [pid 5683] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5680] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] exit_group(0 [pid 5684] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = ? [pid 5682] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5677] <... exit_group resumed>) = ? [pid 5684] <... futex resumed>) = 0 [pid 5683] +++ exited with 0 +++ [pid 5682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5680] <... futex resumed>) = 1 [pid 5678] <... futex resumed>) = 0 [pid 5684] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5678] exit_group(0./strace-static-x86_64: Process 5685 attached [pid 5684] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5678] <... exit_group resumed>) = ? [pid 5685] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5680] +++ exited with 0 +++ [pid 5677] +++ exited with 0 +++ [pid 5685] <... rseq resumed>) = 0 [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5685] set_robust_list(0x7f7b617939a0, 24 [pid 5684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5685] <... set_robust_list resumed>) = 0 [pid 5685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5686 attached [pid 5684] <... mmap resumed>) = 0x7f7b61773000 [pid 5682] <... clone3 resumed> => {parent_tid=[5685]}, 88) = 5685 [pid 5678] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5686] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5685] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5682] rt_sigprocmask(SIG_SETMASK, [], [pid 5681] <... clone3 resumed> => {parent_tid=[5686]}, 88) = 5686 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5686] <... rseq resumed>) = 0 [pid 5684] <... mprotect resumed>) = 0 [pid 5682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5681] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... restart_syscall resumed>) = 0 [pid 5686] set_robust_list(0x7f7b617939a0, 24 [pid 5684] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5682] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5685] <... futex resumed>) = 0 [pid 5684] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5682] <... futex resumed>) = 1 [pid 5686] <... set_robust_list resumed>) = 0 [pid 5685] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5682] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5681] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5686] rt_sigprocmask(SIG_SETMASK, [], [pid 5685] <... bpf resumed>) = 3 [pid 5681] <... futex resumed>) = 0 [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5685] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5685] <... futex resumed>) = 1 [pid 5684] <... clone3 resumed> => {parent_tid=[5687]}, 88) = 5687 [pid 5682] <... futex resumed>) = 0 [pid 5685] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] rt_sigprocmask(SIG_SETMASK, [], [pid 5682] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5682] <... futex resumed>) = 0 [pid 5685] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5684] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5687 attached [pid 5686] <... bpf resumed>) = 3 [pid 5681] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5688 attached [pid 5687] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5686] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... bpf resumed>) = 4 [pid 5684] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5688 [pid 5688] set_robust_list(0x55558a0856a0, 24 [pid 5687] <... rseq resumed>) = 0 [pid 5686] <... futex resumed>) = 1 [pid 5685] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5681] <... futex resumed>) = 0 [pid 5688] <... set_robust_list resumed>) = 0 [pid 5685] <... futex resumed>) = 1 [pid 5682] <... futex resumed>) = 0 [pid 5688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5685] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5682] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] <... prctl resumed>) = 0 [pid 5685] <... bpf resumed>) = 5 [pid 5682] <... futex resumed>) = 0 [pid 5688] setpgid(0, 0) = 0 [pid 5682] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5681] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114./strace-static-x86_64: Process 5689 attached [pid 5688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5687] set_robust_list(0x7f7b617939a0, 24 [pid 5681] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5689 [pid 5688] <... openat resumed>) = 3 [pid 5686] <... bpf resumed>) = 4 [pid 5681] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5687] <... set_robust_list resumed>) = 0 [pid 5687] rt_sigprocmask(SIG_SETMASK, [], [pid 5688] write(3, "1000", 4 [pid 5689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5688] <... write resumed>) = 4 [pid 5687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5688] close(3) = 0 [pid 5688] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5685] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... prctl resumed>) = 0 [pid 5688] <... futex resumed>) = 0 [pid 5686] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] setpgid(0, 0 [pid 5688] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5686] <... futex resumed>) = 1 [pid 5681] <... futex resumed>) = 0 [pid 5689] <... setpgid resumed>) = 0 [pid 5688] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5687] <... bpf resumed>) = 3 [pid 5686] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5685] <... futex resumed>) = 1 [pid 5682] <... futex resumed>) = 0 [pid 5681] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5687] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5685] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] exit_group(0 [pid 5681] <... futex resumed>) = 0 [pid 5688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5682] <... exit_group resumed>) = ? [pid 5681] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5687] <... futex resumed>) = 1 [pid 5686] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5685] <... futex resumed>) = ? [pid 5684] <... futex resumed>) = 0 [pid 5688] <... mmap resumed>) = 0x7f7b61773000 [pid 5684] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5684] <... futex resumed>) = 0 [pid 5688] <... mprotect resumed>) = 0 [pid 5684] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5688] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5690 attached [pid 5690] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5689] <... openat resumed>) = 3 [pid 5690] <... rseq resumed>) = 0 [pid 5688] <... clone3 resumed> => {parent_tid=[5690]}, 88) = 5690 [pid 5686] <... bpf resumed>) = 5 [pid 5690] set_robust_list(0x7f7b617939a0, 24 [pid 5688] rt_sigprocmask(SIG_SETMASK, [], [pid 5690] <... set_robust_list resumed>) = 0 [pid 5688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5690] rt_sigprocmask(SIG_SETMASK, [], [pid 5688] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5688] <... futex resumed>) = 0 [pid 5690] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5687] <... bpf resumed>) = 4 [pid 5689] write(3, "1000", 4 [pid 5686] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5681] <... futex resumed>) = 0 [pid 5689] <... write resumed>) = 4 [pid 5686] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] <... bpf resumed>) = 3 [pid 5689] close(3 [pid 5688] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] exit_group(0 [pid 5690] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... close resumed>) = 0 [pid 5688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5687] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = ? [pid 5684] <... futex resumed>) = 0 [pid 5681] <... exit_group resumed>) = ? [pid 5690] <... futex resumed>) = 0 [pid 5688] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5688] <... futex resumed>) = 0 [pid 5686] +++ exited with 0 +++ [pid 5684] <... futex resumed>) = 0 [pid 5688] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5690] <... bpf resumed>) = 4 [pid 5689] <... futex resumed>) = 0 [pid 5687] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5690] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5687] <... bpf resumed>) = 5 [pid 5685] +++ exited with 0 +++ [pid 5682] +++ exited with 0 +++ [pid 5689] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5687] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5690] <... futex resumed>) = 1 [pid 5688] <... futex resumed>) = 0 [pid 5689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5688] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5688] <... futex resumed>) = 0 [pid 5687] <... futex resumed>) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5688] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5687] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] exit_group(0 [pid 5689] <... mmap resumed>) = 0x7f7b61773000 [pid 5687] <... futex resumed>) = ? [pid 5684] <... exit_group resumed>) = ? [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5689] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5691 attached ) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5691 [pid 5691] set_robust_list(0x55558a0856a0, 24 [pid 5689] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5691] <... set_robust_list resumed>) = 0 [pid 5689] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5690] <... bpf resumed>) = 5 [pid 5681] +++ exited with 0 +++ [pid 5689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5691] <... prctl resumed>) = 0 [pid 5690] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] setpgid(0, 0 [pid 5690] <... futex resumed>) = 1 [pid 5688] <... futex resumed>) = 0 [pid 5691] <... setpgid resumed>) = 0 [pid 5690] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5688] exit_group(0 [pid 5691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5690] <... futex resumed>) = ? [pid 5688] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5681, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5692 attached [pid 5689] <... clone3 resumed> => {parent_tid=[5692]}, 88) = 5692 [pid 5692] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5691] <... openat resumed>) = 3 [pid 5689] rt_sigprocmask(SIG_SETMASK, [], [pid 5692] <... rseq resumed>) = 0 [pid 5691] write(3, "1000", 4 [pid 5689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5692] set_robust_list(0x7f7b617939a0, 24 [pid 5691] <... write resumed>) = 4 [pid 5689] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5691] close(3 [pid 5689] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5692] rt_sigprocmask(SIG_SETMASK, [], [pid 5691] <... close resumed>) = 0 [pid 5689] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5692] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5691] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... bpf resumed>) = 3 [pid 5691] <... futex resumed>) = 0 [pid 5692] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5692] <... futex resumed>) = 1 [pid 5691] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5689] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5689] <... futex resumed>) = 0 [pid 5691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5689] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] <... bpf resumed>) = 4 [pid 5691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5693 attached [pid 5693] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5692] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5693 [pid 5691] <... mmap resumed>) = 0x7f7b61773000 [pid 5693] <... prctl resumed>) = 0 [pid 5692] <... futex resumed>) = 1 [pid 5691] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5689] <... futex resumed>) = 0 [pid 5693] setpgid(0, 0 [pid 5692] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5691] <... mprotect resumed>) = 0 [pid 5689] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... setpgid resumed>) = 0 [pid 5691] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5689] <... futex resumed>) = 0 [pid 5693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5691] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5689] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5694 attached [pid 5693] <... openat resumed>) = 3 [pid 5691] <... clone3 resumed> => {parent_tid=[5694]}, 88) = 5694 [pid 5694] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5693] write(3, "1000", 4 [pid 5690] +++ exited with 0 +++ [pid 5688] +++ exited with 0 +++ [pid 5687] +++ exited with 0 +++ [pid 5684] +++ exited with 0 +++ [pid 5694] <... rseq resumed>) = 0 [pid 5693] <... write resumed>) = 4 [pid 5691] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5694] set_robust_list(0x7f7b617939a0, 24 [pid 5693] close(3 [pid 5691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5694] <... set_robust_list resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5691] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] rt_sigprocmask(SIG_SETMASK, [], [pid 5693] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5691] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5695 attached [pid 5694] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5696 attached [pid 5693] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5694] <... bpf resumed>) = 3 [pid 5696] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5694] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5693] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5695 [pid 5691] <... futex resumed>) = 0 [pid 5696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5694] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5691] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] <... prctl resumed>) = 0 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5691] <... futex resumed>) = 0 [pid 5694] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5691] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] setpgid(0, 0 [pid 5695] set_robust_list(0x55558a0856a0, 24 [pid 5694] <... bpf resumed>) = 4 [pid 5693] <... mmap resumed>) = 0x7f7b61773000 [pid 5692] <... bpf resumed>) = 5 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5696 [pid 5695] <... set_robust_list resumed>) = 0 [pid 5693] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5696] <... setpgid resumed>) = 0 [pid 5695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5694] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... mprotect resumed>) = 0 [pid 5692] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... prctl resumed>) = 0 [pid 5694] <... futex resumed>) = 1 [pid 5693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5692] <... futex resumed>) = 1 [pid 5691] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5695] setpgid(0, 0 [pid 5694] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5691] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] exit_group(0 [pid 5693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5691] <... futex resumed>) = 0 [pid 5692] <... futex resumed>) = ? [pid 5689] <... exit_group resumed>) = ? [pid 5696] <... openat resumed>) = 3 [pid 5695] <... setpgid resumed>) = 0 [pid 5694] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5691] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5696] write(3, "1000", 4 [pid 5695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5694] <... bpf resumed>) = 5 [pid 5696] <... write resumed>) = 4 [pid 5695] <... openat resumed>) = 3 [pid 5693] <... clone3 resumed> => {parent_tid=[5697]}, 88) = 5697 ./strace-static-x86_64: Process 5697 attached [pid 5693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5697] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5696] close(3 [pid 5695] write(3, "1000", 4 [pid 5694] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... rseq resumed>) = 0 [pid 5696] <... close resumed>) = 0 [pid 5695] <... write resumed>) = 4 [pid 5694] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5691] <... futex resumed>) = 0 [pid 5697] set_robust_list(0x7f7b617939a0, 24 [pid 5696] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] close(3 [pid 5694] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] <... set_robust_list resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5695] <... close resumed>) = 0 [pid 5693] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5691] exit_group(0 [pid 5697] rt_sigprocmask(SIG_SETMASK, [], [pid 5696] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5695] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5696] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5694] <... futex resumed>) = ? [pid 5691] <... exit_group resumed>) = ? [pid 5697] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5695] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5694] +++ exited with 0 +++ [pid 5697] <... bpf resumed>) = 3 [pid 5696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5695] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5697] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5696] <... mmap resumed>) = 0x7f7b61773000 [pid 5695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5697] <... futex resumed>) = 1 [pid 5696] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5695] <... mmap resumed>) = 0x7f7b61773000 [pid 5693] <... futex resumed>) = 0 [pid 5696] <... mprotect resumed>) = 0 [pid 5693] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5693] <... futex resumed>) = 0 [pid 5696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5695] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5695] <... mprotect resumed>) = 0 [pid 5693] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] <... bpf resumed>) = 4 [pid 5697] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5698 attached [pid 5697] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5693] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] <... rseq resumed>) = 0 [pid 5697] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5698] set_robust_list(0x7f7b617939a0, 24 [pid 5693] <... futex resumed>) = 0 [pid 5693] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5692] +++ exited with 0 +++ [pid 5696] <... clone3 resumed> => {parent_tid=[5698]}, 88) = 5698 [pid 5695] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5689] +++ exited with 0 +++ [pid 5698] <... set_robust_list resumed>) = 0 [pid 5697] <... bpf resumed>) = 5 [pid 5696] rt_sigprocmask(SIG_SETMASK, [], [pid 5695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5689, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5698] rt_sigprocmask(SIG_SETMASK, [], [pid 5697] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5697] <... futex resumed>) = 0 [pid 5698] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] exit_group(0 [pid 5696] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5699 attached [pid 5698] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 1 [pid 5693] <... exit_group resumed>) = ? [pid 5699] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5698] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5697] <... futex resumed>) = ? [pid 5696] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] <... clone3 resumed> => {parent_tid=[5699]}, 88) = 5699 [pid 5699] <... rseq resumed>) = 0 [pid 5698] <... bpf resumed>) = 3 [pid 5695] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5700 attached [pid 5699] set_robust_list(0x7f7b617939a0, 24 [pid 5698] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5699] <... set_robust_list resumed>) = 0 [pid 5698] <... futex resumed>) = 1 [pid 5696] <... futex resumed>) = 0 [pid 5695] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] set_robust_list(0x55558a0856a0, 24 [pid 5699] rt_sigprocmask(SIG_SETMASK, [], [pid 5698] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5696] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5700 [pid 5700] <... set_robust_list resumed>) = 0 [pid 5699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5696] <... futex resumed>) = 0 [pid 5700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5699] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5696] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] <... bpf resumed>) = 4 [pid 5700] <... prctl resumed>) = 0 [pid 5699] <... bpf resumed>) = 3 [pid 5698] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] +++ exited with 0 +++ [pid 5693] +++ exited with 0 +++ [pid 5691] +++ exited with 0 +++ [pid 5696] <... futex resumed>) = 0 [pid 5698] <... futex resumed>) = 1 [pid 5698] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5696] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] setpgid(0, 0 [pid 5699] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5700] <... setpgid resumed>) = 0 [pid 5699] <... futex resumed>) = 1 [pid 5696] <... futex resumed>) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5699] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5696] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5695] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5695] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5700] <... openat resumed>) = 3 [pid 5699] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5700] write(3, "1000", 4) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5702 attached ./strace-static-x86_64: Process 5701 attached [pid 5700] close(3 [pid 5699] <... bpf resumed>) = 4 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5702 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5701 [pid 5702] set_robust_list(0x55558a0856a0, 24 [pid 5701] set_robust_list(0x55558a0856a0, 24 [pid 5700] <... close resumed>) = 0 [pid 5699] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... bpf resumed>) = 5 [pid 5702] <... set_robust_list resumed>) = 0 [pid 5701] <... set_robust_list resumed>) = 0 [pid 5700] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5698] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5699] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5698] <... futex resumed>) = 1 [pid 5696] <... futex resumed>) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5700] <... futex resumed>) = 0 [pid 5698] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5696] exit_group(0 [pid 5695] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5698] <... futex resumed>) = ? [pid 5696] <... exit_group resumed>) = ? [pid 5702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5701] <... prctl resumed>) = 0 [pid 5700] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5699] <... bpf resumed>) = 5 [pid 5698] +++ exited with 0 +++ [pid 5702] <... prctl resumed>) = 0 [pid 5701] setpgid(0, 0 [pid 5700] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5702] setpgid(0, 0 [pid 5701] <... setpgid resumed>) = 0 [pid 5700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5702] <... setpgid resumed>) = 0 [pid 5699] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5699] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5699] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] exit_group(0 [pid 5700] <... mmap resumed>) = 0x7f7b61773000 [pid 5699] <... futex resumed>) = ? [pid 5695] <... exit_group resumed>) = ? [pid 5702] <... openat resumed>) = 3 [pid 5701] <... openat resumed>) = 3 [pid 5700] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5699] +++ exited with 0 +++ [pid 5702] write(3, "1000", 4) = 4 [pid 5701] write(3, "1000", 4 [pid 5700] <... mprotect resumed>) = 0 [pid 5702] close(3 [pid 5701] <... write resumed>) = 4 [pid 5700] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5702] <... close resumed>) = 0 [pid 5701] close(3 [pid 5702] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... close resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5701] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5700] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5702] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5701] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5701] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5703 attached [pid 5703] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5700] <... clone3 resumed> => {parent_tid=[5703]}, 88) = 5703 [pid 5703] <... rseq resumed>) = 0 [pid 5702] <... mmap resumed>) = 0x7f7b61773000 [pid 5701] <... mmap resumed>) = 0x7f7b61773000 [pid 5700] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] set_robust_list(0x7f7b617939a0, 24 [pid 5702] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5701] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] <... set_robust_list resumed>) = 0 [pid 5700] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] rt_sigprocmask(SIG_SETMASK, [], [pid 5701] <... mprotect resumed>) = 0 [pid 5700] <... futex resumed>) = 0 [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5700] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5702] <... mprotect resumed>) = 0 [pid 5701] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5703] <... bpf resumed>) = 3 [pid 5703] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5700] <... futex resumed>) = 0 [pid 5701] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5703] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5700] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5700] <... futex resumed>) = 0 [pid 5703] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5700] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5704 attached [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5704] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5701] <... clone3 resumed> => {parent_tid=[5704]}, 88) = 5704 [pid 5704] <... rseq resumed>) = 0 [pid 5702] <... clone3 resumed> => {parent_tid=[5705]}, 88) = 5705 [pid 5701] rt_sigprocmask(SIG_SETMASK, [], [pid 5704] set_robust_list(0x7f7b617939a0, 24 [pid 5702] rt_sigprocmask(SIG_SETMASK, [], [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5705 attached [pid 5704] <... set_robust_list resumed>) = 0 [pid 5703] <... bpf resumed>) = 4 [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5701] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5696] +++ exited with 0 +++ [pid 5704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5705] <... rseq resumed>) = 0 [pid 5704] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5703] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5701] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] set_robust_list(0x7f7b617939a0, 24 [pid 5703] <... futex resumed>) = 1 [pid 5700] <... futex resumed>) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5705] <... set_robust_list resumed>) = 0 [pid 5704] <... bpf resumed>) = 3 [pid 5703] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5700] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] rt_sigprocmask(SIG_SETMASK, [], [pid 5700] <... futex resumed>) = 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5704] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5704] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5700] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5705] <... bpf resumed>) = 3 [pid 5704] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5705] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] <... futex resumed>) = 0 [pid 5705] <... futex resumed>) = 1 [pid 5704] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5702] <... futex resumed>) = 0 [pid 5701] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5706 attached [pid 5705] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114./strace-static-x86_64: Process 5707 attached [pid 5706] set_robust_list(0x55558a0856a0, 24 [pid 5704] <... bpf resumed>) = 4 [pid 5702] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5706 [pid 5707] set_robust_list(0x55558a0856a0, 24 [pid 5706] <... set_robust_list resumed>) = 0 [pid 5702] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] <... bpf resumed>) = 4 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5707 [pid 5704] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5704] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] <... set_robust_list resumed>) = 0 [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] <... futex resumed>) = 0 [pid 5707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5702] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... prctl resumed>) = 0 [pid 5706] <... prctl resumed>) = 0 [pid 5704] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 1 [pid 5707] setpgid(0, 0 [pid 5706] setpgid(0, 0 [pid 5704] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5702] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5701] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5707] <... setpgid resumed>) = 0 [pid 5706] <... setpgid resumed>) = 0 [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5705] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5707] <... openat resumed>) = 3 [pid 5707] write(3, "1000", 4 [pid 5706] <... openat resumed>) = 3 [pid 5706] write(3, "1000", 4) = 4 [pid 5706] close(3) = 0 [pid 5707] <... write resumed>) = 4 [pid 5707] close(3) = 0 [pid 5706] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... bpf resumed>) = 5 [pid 5704] <... bpf resumed>) = 5 [pid 5703] <... bpf resumed>) = 5 [pid 5706] <... futex resumed>) = 0 [pid 5705] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = 1 [pid 5705] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] <... futex resumed>) = 0 [pid 5704] <... futex resumed>) = 1 [pid 5703] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5703] <... futex resumed>) = 1 [pid 5702] exit_group(0 [pid 5701] exit_group(0 [pid 5700] <... futex resumed>) = 0 [pid 5705] <... futex resumed>) = ? [pid 5703] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] <... exit_group resumed>) = ? [pid 5701] <... exit_group resumed>) = ? [pid 5700] exit_group(0 [pid 5707] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5706] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5705] +++ exited with 0 +++ [pid 5703] <... futex resumed>) = ? [pid 5700] <... exit_group resumed>) = ? [pid 5703] +++ exited with 0 +++ [pid 5700] +++ exited with 0 +++ [pid 5706] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5707] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5706] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5706] <... mmap resumed>) = 0x7f7b61773000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5706] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5707] <... mmap resumed>) = 0x7f7b61773000 [pid 5707] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5706] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5707] <... mprotect resumed>) = 0 [pid 5706] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} => {parent_tid=[5708]}, 88) = 5708 ./strace-static-x86_64: Process 5709 attached ./strace-static-x86_64: Process 5708 attached [pid 5707] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5709] set_robust_list(0x55558a0856a0, 24 [pid 5708] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5706] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] +++ exited with 0 +++ [pid 5709] <... set_robust_list resumed>) = 0 [pid 5708] <... rseq resumed>) = 0 [pid 5704] +++ exited with 0 +++ [pid 5701] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5708] set_robust_list(0x7f7b617939a0, 24 [pid 5707] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5709 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5709] <... prctl resumed>) = 0 [pid 5708] <... set_robust_list resumed>) = 0 [pid 5709] setpgid(0, 0 [pid 5708] rt_sigprocmask(SIG_SETMASK, [], [pid 5707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5706] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... setpgid resumed>) = 0 [pid 5708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5706] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5710 attached [pid 5709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5708] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5706] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5709] <... openat resumed>) = 3 [pid 5708] <... bpf resumed>) = 3 [pid 5707] <... clone3 resumed> => {parent_tid=[5710]}, 88) = 5710 [pid 5710] <... rseq resumed>) = 0 [pid 5709] write(3, "1000", 4 [pid 5708] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] rt_sigprocmask(SIG_SETMASK, [], [pid 5710] set_robust_list(0x7f7b617939a0, 24 [pid 5709] <... write resumed>) = 4 [pid 5708] <... futex resumed>) = 1 [pid 5710] <... set_robust_list resumed>) = 0 [pid 5707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5706] <... futex resumed>) = 0 [pid 5710] rt_sigprocmask(SIG_SETMASK, [], [pid 5709] close(3 [pid 5708] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5709] <... close resumed>) = 0 [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] <... futex resumed>) = 0 [pid 5706] <... futex resumed>) = 0 [pid 5710] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5708] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5707] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5711 attached [pid 5710] <... bpf resumed>) = 3 [pid 5709] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5711] set_robust_list(0x55558a0856a0, 24 [pid 5710] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... set_robust_list resumed>) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5710] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5708] <... bpf resumed>) = 4 [pid 5707] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... prctl resumed>) = 0 [pid 5710] <... bpf resumed>) = 4 [pid 5707] <... futex resumed>) = 0 [pid 5711] setpgid(0, 0 [pid 5709] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5712 attached [pid 5711] <... setpgid resumed>) = 0 [pid 5707] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5712] set_robust_list(0x55558a0856a0, 24 [pid 5711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5712] <... set_robust_list resumed>) = 0 [pid 5711] <... openat resumed>) = 3 [pid 5709] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5708] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5712 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5711 [pid 5712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5711] write(3, "1000", 4 [pid 5712] setpgid(0, 0 [pid 5711] <... write resumed>) = 4 [pid 5710] <... futex resumed>) = 1 [pid 5709] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5708] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5706] <... futex resumed>) = 0 [pid 5712] <... setpgid resumed>) = 0 [pid 5711] close(3 [pid 5710] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5708] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5711] <... close resumed>) = 0 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] <... futex resumed>) = 0 [pid 5706] <... futex resumed>) = 0 [pid 5712] <... openat resumed>) = 3 [pid 5711] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5708] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5707] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5706] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5709] <... mmap resumed>) = 0x7f7b61773000 [pid 5709] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5712] write(3, "1000", 4 [pid 5711] <... futex resumed>) = 0 [pid 5709] <... mprotect resumed>) = 0 [pid 5712] <... write resumed>) = 4 [pid 5711] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5712] close(3 [pid 5709] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5712] <... close resumed>) = 0 [pid 5711] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5709] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5712] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5712] <... futex resumed>) = 0 [pid 5711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5711] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5712] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5711] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5712] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5713 attached [pid 5711] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5713] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5714 attached [pid 5713] <... rseq resumed>) = 0 [pid 5712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5709] <... clone3 resumed> => {parent_tid=[5713]}, 88) = 5713 [pid 5714] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5713] set_robust_list(0x7f7b617939a0, 24 [pid 5712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5711] <... clone3 resumed> => {parent_tid=[5714]}, 88) = 5714 [pid 5708] <... bpf resumed>) = 5 [pid 5714] <... rseq resumed>) = 0 [pid 5713] <... set_robust_list resumed>) = 0 [pid 5712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5711] rt_sigprocmask(SIG_SETMASK, [], [pid 5709] rt_sigprocmask(SIG_SETMASK, [], [pid 5708] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] set_robust_list(0x7f7b617939a0, 24 [pid 5713] rt_sigprocmask(SIG_SETMASK, [], [pid 5712] <... mmap resumed>) = 0x7f7b61773000 [pid 5711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5710] <... bpf resumed>) = 5 [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] <... futex resumed>) = 1 [pid 5706] <... futex resumed>) = 0 [pid 5714] <... set_robust_list resumed>) = 0 [pid 5713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5712] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5711] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] exit_group(0 [pid 5714] rt_sigprocmask(SIG_SETMASK, [], [pid 5713] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5712] <... mprotect resumed>) = 0 [pid 5711] <... futex resumed>) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = ? [pid 5707] <... futex resumed>) = 0 [pid 5706] <... exit_group resumed>) = ? [pid 5714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5713] <... bpf resumed>) = 3 [pid 5712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5711] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5707] exit_group(0 [pid 5714] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5713] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5710] <... futex resumed>) = ? [pid 5707] <... exit_group resumed>) = ? [pid 5714] <... bpf resumed>) = 3 [pid 5713] <... futex resumed>) = 1 [pid 5712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5710] +++ exited with 0 +++ [pid 5709] <... futex resumed>) = 0 [pid 5714] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] <... futex resumed>) = 1 [pid 5714] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] <... clone3 resumed> => {parent_tid=[5715]}, 88) = 5715 [pid 5712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5715 attached [pid 5711] <... futex resumed>) = 0 [pid 5709] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] +++ exited with 0 +++ [pid 5707] +++ exited with 0 +++ [pid 5706] +++ exited with 0 +++ [pid 5715] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5711] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... futex resumed>) = 1 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5706, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5715] <... rseq resumed>) = 0 [pid 5714] <... futex resumed>) = 0 [pid 5713] <... futex resumed>) = 0 [pid 5712] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... futex resumed>) = 1 [pid 5709] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5715] set_robust_list(0x7f7b617939a0, 24 [pid 5714] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5713] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5712] <... futex resumed>) = 0 [pid 5711] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] <... set_robust_list resumed>) = 0 [pid 5715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5715] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5713] <... bpf resumed>) = 4 [pid 5712] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5715] <... bpf resumed>) = 3 [pid 5714] <... bpf resumed>) = 4 [pid 5713] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5716 attached [pid 5715] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5711] <... futex resumed>) = 0 [pid 5711] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = 0 [pid 5712] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... futex resumed>) = 1 [pid 5714] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5712] <... futex resumed>) = 0 [pid 5713] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] set_robust_list(0x55558a0856a0, 24 [pid 5715] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5711] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5709] <... futex resumed>) = 0 [pid 5716] <... set_robust_list resumed>) = 0 [pid 5715] <... bpf resumed>) = 4 [pid 5714] <... bpf resumed>) = 5 [pid 5709] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5716 [pid 5716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5709] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5717 attached [pid 5714] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... futex resumed>) = 0 [pid 5714] <... futex resumed>) = 1 [pid 5714] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5713] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5717] set_robust_list(0x55558a0856a0, 24 [pid 5716] setpgid(0, 0 [pid 5715] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... futex resumed>) = 0 [pid 5709] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5717] <... set_robust_list resumed>) = 0 [pid 5716] <... setpgid resumed>) = 0 [pid 5715] <... futex resumed>) = 1 [pid 5713] <... bpf resumed>) = 5 [pid 5712] <... futex resumed>) = 0 [pid 5711] exit_group(0 [pid 5717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5715] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] <... futex resumed>) = ? [pid 5713] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... exit_group resumed>) = ? [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5717 [pid 5717] <... prctl resumed>) = 0 [pid 5716] <... openat resumed>) = 3 [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] +++ exited with 0 +++ [pid 5713] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5717] setpgid(0, 0 [pid 5716] write(3, "1000", 4 [pid 5715] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5713] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5709] exit_group(0 [pid 5717] <... setpgid resumed>) = 0 [pid 5716] <... write resumed>) = 4 [pid 5713] <... futex resumed>) = ? [pid 5709] <... exit_group resumed>) = ? [pid 5717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5716] close(3 [pid 5713] +++ exited with 0 +++ [pid 5717] <... openat resumed>) = 3 [pid 5716] <... close resumed>) = 0 [pid 5717] write(3, "1000", 4) = 4 [pid 5716] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] close(3 [pid 5716] <... futex resumed>) = 0 [pid 5717] <... close resumed>) = 0 [pid 5716] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5717] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5717] <... futex resumed>) = 0 [pid 5716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5717] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5717] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5716] <... mmap resumed>) = 0x7f7b61773000 [pid 5717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5716] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5717] <... mmap resumed>) = 0x7f7b61773000 [pid 5717] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5716] <... mprotect resumed>) = 0 [pid 5717] <... mprotect resumed>) = 0 [pid 5717] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5717] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5715] <... bpf resumed>) = 5 [pid 5711] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5715] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5718 attached ) = 1 [pid 5712] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5719 attached [pid 5718] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5717] <... clone3 resumed> => {parent_tid=[5718]}, 88) = 5718 [pid 5716] <... clone3 resumed> => {parent_tid=[5719]}, 88) = 5719 [pid 5715] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] exit_group(0 [pid 5719] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5718] <... rseq resumed>) = 0 [pid 5717] rt_sigprocmask(SIG_SETMASK, [], [pid 5716] rt_sigprocmask(SIG_SETMASK, [], [pid 5715] <... futex resumed>) = ? [pid 5712] <... exit_group resumed>) = ? [pid 5719] <... rseq resumed>) = 0 [pid 5718] set_robust_list(0x7f7b617939a0, 24 [pid 5717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5715] +++ exited with 0 +++ [pid 5719] set_robust_list(0x7f7b617939a0, 24 [pid 5718] <... set_robust_list resumed>) = 0 [pid 5716] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... set_robust_list resumed>) = 0 [pid 5718] rt_sigprocmask(SIG_SETMASK, [], [pid 5716] <... futex resumed>) = 0 [pid 5719] rt_sigprocmask(SIG_SETMASK, [], [pid 5718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5717] <... futex resumed>) = 0 [pid 5716] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5718] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5717] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5718] <... bpf resumed>) = 3 [pid 5718] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5709] +++ exited with 0 +++ [pid 5719] <... bpf resumed>) = 3 [pid 5712] +++ exited with 0 +++ [pid 5719] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... futex resumed>) = 0 [pid 5717] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5719] <... futex resumed>) = 1 [pid 5718] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5717] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5720 attached [pid 5719] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5716] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5712, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5720] set_robust_list(0x55558a0856a0, 24 [pid 5716] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5720 [pid 5719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5719] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5720] <... set_robust_list resumed>) = 0 [pid 5716] <... futex resumed>) = 0 [pid 5720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5716] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] <... prctl resumed>) = 0 [pid 5720] setpgid(0, 0) = 0 [pid 5720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5719] <... bpf resumed>) = 4 [pid 5718] <... bpf resumed>) = 4 [pid 5720] <... openat resumed>) = 3 [pid 5720] write(3, "1000", 4./strace-static-x86_64: Process 5721 attached ./strace-static-x86_64: Process 5722 attached ) = 4 [pid 5719] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5721 [pid 5722] set_robust_list(0x55558a0856a0, 24 [pid 5721] set_robust_list(0x55558a0856a0, 24 [pid 5720] close(3 [pid 5719] <... futex resumed>) = 1 [pid 5718] <... futex resumed>) = 1 [pid 5717] <... futex resumed>) = 0 [pid 5716] <... futex resumed>) = 0 [pid 5722] <... set_robust_list resumed>) = 0 [pid 5721] <... set_robust_list resumed>) = 0 [pid 5718] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5716] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5720] <... close resumed>) = 0 [pid 5717] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = 0 [pid 5722] <... prctl resumed>) = 0 [pid 5721] <... prctl resumed>) = 0 [pid 5720] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5718] <... futex resumed>) = 0 [pid 5717] <... futex resumed>) = 1 [pid 5716] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5722 [pid 5722] setpgid(0, 0 [pid 5721] setpgid(0, 0 [pid 5720] <... futex resumed>) = 0 [pid 5718] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5717] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5722] <... setpgid resumed>) = 0 [pid 5721] <... setpgid resumed>) = 0 [pid 5720] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5720] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5721] <... openat resumed>) = 3 [pid 5720] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5721] write(3, "1000", 4 [pid 5720] <... mmap resumed>) = 0x7f7b61773000 [pid 5722] <... openat resumed>) = 3 [pid 5721] <... write resumed>) = 4 [pid 5720] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5722] write(3, "1000", 4 [pid 5721] close(3 [pid 5720] <... mprotect resumed>) = 0 [pid 5722] <... write resumed>) = 4 [pid 5722] close(3) = 0 [pid 5722] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5722] <... futex resumed>) = 0 [pid 5721] <... close resumed>) = 0 [pid 5722] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5721] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5721] <... futex resumed>) = 0 [pid 5720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5721] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5722] <... mmap resumed>) = 0x7f7b61773000 [pid 5722] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5723 attached ) = 0 [pid 5723] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5722] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5723] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5723] rt_sigprocmask(SIG_SETMASK, [], [pid 5722] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5723] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5724 attached [pid 5724] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5722] <... clone3 resumed> => {parent_tid=[5724]}, 88) = 5724 [pid 5724] <... rseq resumed>) = 0 [pid 5722] rt_sigprocmask(SIG_SETMASK, [], [pid 5724] set_robust_list(0x7f7b617939a0, 24 [pid 5722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5724] <... set_robust_list resumed>) = 0 [pid 5722] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] rt_sigprocmask(SIG_SETMASK, [], [pid 5722] <... futex resumed>) = 0 [pid 5724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5722] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5721] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5720] <... clone3 resumed> => {parent_tid=[5723]}, 88) = 5723 [pid 5719] <... bpf resumed>) = 5 [pid 5724] <... bpf resumed>) = 3 [pid 5721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5720] rt_sigprocmask(SIG_SETMASK, [], [pid 5721] <... mmap resumed>) = 0x7f7b61773000 [pid 5720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5721] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5720] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = 0 [pid 5721] <... mprotect resumed>) = 0 [pid 5720] <... futex resumed>) = 1 [pid 5719] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... bpf resumed>) = 5 [pid 5724] <... futex resumed>) = 1 [pid 5723] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5722] <... futex resumed>) = 0 [pid 5721] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5720] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] <... futex resumed>) = 1 [pid 5718] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = 0 [pid 5724] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] <... bpf resumed>) = 3 [pid 5722] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5719] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... futex resumed>) = 1 [pid 5717] <... futex resumed>) = 0 [pid 5716] exit_group(0 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... futex resumed>) = 0 [pid 5721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5719] <... futex resumed>) = ? [pid 5718] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5717] exit_group(0 [pid 5716] <... exit_group resumed>) = ? [pid 5724] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5723] <... futex resumed>) = 1 [pid 5722] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] <... futex resumed>) = 0 [pid 5719] +++ exited with 0 +++ ./strace-static-x86_64: Process 5725 attached [pid 5723] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... futex resumed>) = ? [pid 5717] <... exit_group resumed>) = ? [pid 5718] +++ exited with 0 +++ [pid 5725] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5724] <... bpf resumed>) = 4 [pid 5721] <... clone3 resumed> => {parent_tid=[5725]}, 88) = 5725 [pid 5720] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... rseq resumed>) = 0 [pid 5723] <... futex resumed>) = 0 [pid 5721] rt_sigprocmask(SIG_SETMASK, [], [pid 5720] <... futex resumed>) = 1 [pid 5725] set_robust_list(0x7f7b617939a0, 24 [pid 5724] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5720] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] <... set_robust_list resumed>) = 0 [pid 5724] <... futex resumed>) = 1 [pid 5723] <... bpf resumed>) = 4 [pid 5722] <... futex resumed>) = 0 [pid 5721] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] rt_sigprocmask(SIG_SETMASK, [], [pid 5724] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... futex resumed>) = 0 [pid 5725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5720] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5723] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5722] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5721] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] <... futex resumed>) = 0 [pid 5725] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5720] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5725] <... bpf resumed>) = 3 [pid 5725] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5721] <... futex resumed>) = 0 [pid 5725] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5721] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5721] <... futex resumed>) = 0 [pid 5725] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5721] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] <... bpf resumed>) = 4 [pid 5725] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] +++ exited with 0 +++ [pid 5716] +++ exited with 0 +++ [pid 5725] <... futex resumed>) = 1 [pid 5721] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5725] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5721] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5721] <... futex resumed>) = 0 [pid 5725] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5721] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5726 attached , child_tidptr=0x55558a085690) = 5726 [pid 5726] set_robust_list(0x55558a0856a0, 24 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5726] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5727 attached [pid 5726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5727] set_robust_list(0x55558a0856a0, 24 [pid 5726] setpgid(0, 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5727 [pid 5727] <... set_robust_list resumed>) = 0 [pid 5726] <... setpgid resumed>) = 0 [pid 5727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5727] <... prctl resumed>) = 0 [pid 5727] setpgid(0, 0) = 0 [pid 5726] <... openat resumed>) = 3 [pid 5726] write(3, "1000", 4) = 4 [pid 5727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5726] close(3) = 0 [pid 5726] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... openat resumed>) = 3 [pid 5726] <... futex resumed>) = 0 [pid 5727] write(3, "1000", 4) = 4 [pid 5727] close(3 [pid 5726] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5727] <... close resumed>) = 0 [pid 5726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5727] <... futex resumed>) = 0 [pid 5727] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5726] <... mmap resumed>) = 0x7f7b61773000 [pid 5727] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5726] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5725] <... bpf resumed>) = 5 [pid 5724] <... bpf resumed>) = 5 [pid 5723] <... bpf resumed>) = 5 [pid 5725] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5726] <... mprotect resumed>) = 0 [pid 5725] <... futex resumed>) = 1 [pid 5723] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... futex resumed>) = 0 [pid 5727] <... mprotect resumed>) = 0 [pid 5726] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5725] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] <... futex resumed>) = 1 [pid 5723] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5721] exit_group(0 [pid 5720] <... futex resumed>) = 0 [pid 5727] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5726] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5725] <... futex resumed>) = ? [pid 5724] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] exit_group(0 [pid 5721] <... exit_group resumed>) = ? [pid 5720] exit_group(0 [pid 5727] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5725] +++ exited with 0 +++ [pid 5722] <... exit_group resumed>) = ? [pid 5720] <... exit_group resumed>) = ? [pid 5727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5724] <... futex resumed>) = ? [pid 5723] <... futex resumed>) = ? ./strace-static-x86_64: Process 5729 attached [pid 5726] <... clone3 resumed> => {parent_tid=[5728]}, 88) = 5728 [pid 5729] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5727] <... clone3 resumed> => {parent_tid=[5729]}, 88) = 5729 [pid 5726] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] <... rseq resumed>) = 0 [pid 5727] rt_sigprocmask(SIG_SETMASK, [], [pid 5726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] set_robust_list(0x7f7b617939a0, 24 [pid 5727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5726] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... set_robust_list resumed>) = 0 [pid 5727] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... futex resumed>) = 0 [pid 5729] rt_sigprocmask(SIG_SETMASK, [], [pid 5727] <... futex resumed>) = 0 [pid 5726] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] +++ exited with 0 +++ [pid 5722] +++ exited with 0 +++ [pid 5729] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5729] <... bpf resumed>) = 3 [pid 5729] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5729] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5729] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5727] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5728 attached [pid 5729] <... bpf resumed>) = 4 [pid 5727] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5728] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5728] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5728] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5728] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5729] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5728] <... bpf resumed>) = 3 [pid 5727] <... futex resumed>) = 0 [pid 5729] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5728] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5726] <... futex resumed>) = 0 [pid 5729] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5728] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5726] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5726] <... futex resumed>) = 0 [pid 5728] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5726] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5728] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5730 attached [pid 5728] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] +++ exited with 0 +++ [pid 5721] +++ exited with 0 +++ [pid 5720] +++ exited with 0 +++ [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5730 [pid 5730] set_robust_list(0x55558a0856a0, 24 [pid 5728] <... futex resumed>) = 1 [pid 5726] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5730] <... set_robust_list resumed>) = 0 [pid 5728] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5726] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5726] <... futex resumed>) = 0 [pid 5726] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5730] <... prctl resumed>) = 0 [pid 5730] setpgid(0, 0) = 0 [pid 5730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5731 attached [pid 5730] write(3, "1000", 4 [pid 5729] <... bpf resumed>) = 5 [pid 5728] <... bpf resumed>) = 5 [pid 5729] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5731 ./strace-static-x86_64: Process 5732 attached [pid 5731] set_robust_list(0x55558a0856a0, 24 [pid 5730] <... write resumed>) = 4 [pid 5729] <... futex resumed>) = 1 [pid 5728] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... futex resumed>) = 0 [pid 5730] close(3 [pid 5728] <... futex resumed>) = 1 [pid 5726] <... futex resumed>) = 0 [pid 5732] set_robust_list(0x55558a0856a0, 24 [pid 5731] <... set_robust_list resumed>) = 0 [pid 5729] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] exit_group(0 [pid 5728] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5726] exit_group(0 [pid 5730] <... close resumed>) = 0 [pid 5726] <... exit_group resumed>) = ? [pid 5730] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] <... futex resumed>) = ? [pid 5729] <... futex resumed>) = ? [pid 5727] <... exit_group resumed>) = ? [pid 5732] <... set_robust_list resumed>) = 0 [pid 5730] <... futex resumed>) = 0 [pid 5729] +++ exited with 0 +++ [pid 5728] +++ exited with 0 +++ [pid 5726] +++ exited with 0 +++ [pid 5732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5730] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5732] <... prctl resumed>) = 0 [pid 5730] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5732 [pid 5732] setpgid(0, 0 [pid 5730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5731] <... prctl resumed>) = 0 [pid 5732] <... setpgid resumed>) = 0 [pid 5730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5731] setpgid(0, 0 [pid 5730] <... mmap resumed>) = 0x7f7b61773000 [pid 5732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5731] <... setpgid resumed>) = 0 [pid 5730] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5730] <... mprotect resumed>) = 0 [pid 5730] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5732] <... openat resumed>) = 3 [pid 5731] <... openat resumed>) = 3 [pid 5727] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5726, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5732] write(3, "1000", 4 [pid 5731] write(3, "1000", 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5732] <... write resumed>) = 4 [pid 5731] <... write resumed>) = 4 [pid 5730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5732] close(3 [pid 5731] close(3./strace-static-x86_64: Process 5733 attached [pid 5732] <... close resumed>) = 0 [pid 5731] <... close resumed>) = 0 [pid 5733] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5731] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] <... rseq resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5733] set_robust_list(0x7f7b617939a0, 24 [pid 5732] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... futex resumed>) = 0 [pid 5730] <... clone3 resumed> => {parent_tid=[5733]}, 88) = 5733 [pid 5733] <... set_robust_list resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5731] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5733] rt_sigprocmask(SIG_SETMASK, [], [pid 5732] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5731] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5730] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5730] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5734 attached [pid 5734] set_robust_list(0x55558a0856a0, 24) = 0 ./strace-static-x86_64: Process 5735 attached [pid 5733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5732] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5734 [pid 5735] set_robust_list(0x55558a0856a0, 24 [pid 5734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5733] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5735 [pid 5735] <... set_robust_list resumed>) = 0 [pid 5734] <... prctl resumed>) = 0 [pid 5732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5733] <... bpf resumed>) = 3 [pid 5732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5731] <... mmap resumed>) = 0x7f7b61773000 [pid 5734] setpgid(0, 0 [pid 5735] <... prctl resumed>) = 0 [pid 5734] <... setpgid resumed>) = 0 [pid 5733] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... mmap resumed>) = 0x7f7b61773000 [pid 5731] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5735] setpgid(0, 0 [pid 5734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5733] <... futex resumed>) = 1 [pid 5732] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5730] <... futex resumed>) = 0 [pid 5731] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5735] <... setpgid resumed>) = 0 [pid 5733] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5732] <... mprotect resumed>) = 0 [pid 5730] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5734] <... openat resumed>) = 3 [pid 5731] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5730] <... futex resumed>) = 0 [pid 5731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5736 attached [pid 5733] <... bpf resumed>) = 4 [pid 5736] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5731] <... clone3 resumed> => {parent_tid=[5736]}, 88) = 5736 [pid 5736] <... rseq resumed>) = 0 [pid 5732] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5731] rt_sigprocmask(SIG_SETMASK, [], [pid 5730] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5736] rt_sigprocmask(SIG_SETMASK, [], [pid 5735] <... openat resumed>) = 3 [pid 5734] write(3, "1000", 4 [pid 5732] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5731] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5735] write(3, "1000", 4 [pid 5734] <... write resumed>) = 4 [pid 5733] <... futex resumed>) = 1 [pid 5732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5731] <... futex resumed>) = 0 [pid 5730] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5737 attached [pid 5736] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5735] <... write resumed>) = 4 [pid 5734] close(3 [pid 5733] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5736] <... bpf resumed>) = 3 [pid 5735] close(3 [pid 5734] <... close resumed>) = 0 [pid 5733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... clone3 resumed> => {parent_tid=[5737]}, 88) = 5737 [pid 5730] <... futex resumed>) = 0 [pid 5737] <... rseq resumed>) = 0 [pid 5735] <... close resumed>) = 0 [pid 5734] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5736] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] rt_sigprocmask(SIG_SETMASK, [], [pid 5730] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5737] set_robust_list(0x7f7b617939a0, 24 [pid 5736] <... futex resumed>) = 1 [pid 5735] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = 0 [pid 5733] <... bpf resumed>) = 5 [pid 5732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5737] <... set_robust_list resumed>) = 0 [pid 5736] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5734] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5732] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] rt_sigprocmask(SIG_SETMASK, [], [pid 5735] <... futex resumed>) = 0 [pid 5734] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5733] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... futex resumed>) = 0 [pid 5731] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5735] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5734] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5736] <... futex resumed>) = 0 [pid 5733] <... futex resumed>) = 1 [pid 5732] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5731] <... futex resumed>) = 1 [pid 5730] <... futex resumed>) = 0 [pid 5737] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5736] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5735] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5733] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] exit_group(0 [pid 5737] <... bpf resumed>) = 3 [pid 5735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5733] <... futex resumed>) = ? [pid 5730] <... exit_group resumed>) = ? [pid 5737] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... bpf resumed>) = 4 [pid 5735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5734] <... mmap resumed>) = 0x7f7b61773000 [pid 5733] +++ exited with 0 +++ [pid 5737] <... futex resumed>) = 1 [pid 5735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5734] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5732] <... futex resumed>) = 0 [pid 5737] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5735] <... mmap resumed>) = 0x7f7b61773000 [pid 5734] <... mprotect resumed>) = 0 [pid 5732] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5735] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5732] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... mprotect resumed>) = 0 [pid 5734] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5736] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] +++ exited with 0 +++ [pid 5737] <... bpf resumed>) = 4 [pid 5736] <... futex resumed>) = 1 [pid 5735] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5734] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5736] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5731] <... futex resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5736] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5731] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] <... restart_syscall resumed>) = 0 [pid 5737] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5737] <... futex resumed>) = 1 [pid 5735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5732] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5738 attached ./strace-static-x86_64: Process 5739 attached [pid 5737] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5734] <... clone3 resumed> => {parent_tid=[5738]}, 88) = 5738 [pid 5732] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5738] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] <... clone3 resumed> => {parent_tid=[5739]}, 88) = 5739 [pid 5734] rt_sigprocmask(SIG_SETMASK, [], [pid 5732] <... futex resumed>) = 0 [pid 5739] <... rseq resumed>) = 0 [pid 5738] <... rseq resumed>) = 0 [pid 5737] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5735] rt_sigprocmask(SIG_SETMASK, [], [pid 5734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5732] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5739] set_robust_list(0x7f7b617939a0, 24 [pid 5738] set_robust_list(0x7f7b617939a0, 24 [pid 5735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5734] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... set_robust_list resumed>) = 0 [pid 5735] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = 0 [pid 5735] <... futex resumed>) = 0 [pid 5734] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5739] <... set_robust_list resumed>) = 0 [pid 5738] rt_sigprocmask(SIG_SETMASK, [], [pid 5739] rt_sigprocmask(SIG_SETMASK, [], [pid 5738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5738] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5740 attached [pid 5739] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5738] <... bpf resumed>) = 3 [pid 5740] set_robust_list(0x55558a0856a0, 24 [pid 5738] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] <... bpf resumed>) = 3 [pid 5738] <... futex resumed>) = 1 [pid 5738] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5739] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... set_robust_list resumed>) = 0 [pid 5739] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = 0 [pid 5734] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5740 [pid 5740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5735] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... prctl resumed>) = 0 [pid 5735] <... futex resumed>) = 0 [pid 5734] <... futex resumed>) = 1 [pid 5740] setpgid(0, 0 [pid 5739] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5738] <... futex resumed>) = 0 [pid 5735] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] <... setpgid resumed>) = 0 [pid 5740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5739] <... bpf resumed>) = 4 [pid 5738] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5739] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5735] <... futex resumed>) = 0 [pid 5735] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5735] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5740] <... openat resumed>) = 3 [pid 5740] write(3, "1000", 4 [pid 5738] <... bpf resumed>) = 4 [pid 5740] <... write resumed>) = 4 [pid 5739] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5740] close(3) = 0 [pid 5740] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5740] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5738] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5740] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5734] <... futex resumed>) = 0 [pid 5740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5734] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5734] <... futex resumed>) = 0 [pid 5740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5734] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5740] <... mmap resumed>) = 0x7f7b61773000 [pid 5739] <... bpf resumed>) = 5 [pid 5738] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5737] <... bpf resumed>) = 5 [pid 5736] <... bpf resumed>) = 5 [pid 5739] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5739] <... futex resumed>) = 1 [pid 5738] <... bpf resumed>) = 5 [pid 5735] <... futex resumed>) = 0 [pid 5740] <... mprotect resumed>) = 0 [pid 5739] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5738] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] exit_group(0 [pid 5740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5739] <... futex resumed>) = ? [pid 5738] <... futex resumed>) = 1 [pid 5737] <... futex resumed>) = 1 [pid 5736] <... futex resumed>) = 1 [pid 5735] <... exit_group resumed>) = ? [pid 5734] <... futex resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5739] +++ exited with 0 +++ [pid 5738] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5736] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] +++ exited with 0 +++ [pid 5734] exit_group(0 [pid 5732] exit_group(0 [pid 5731] exit_group(0 [pid 5740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5737] <... futex resumed>) = ? [pid 5736] <... futex resumed>) = ? [pid 5734] <... exit_group resumed>) = ? [pid 5732] <... exit_group resumed>) = ? [pid 5738] <... futex resumed>) = ? [pid 5731] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5741 attached [pid 5737] +++ exited with 0 +++ [pid 5736] +++ exited with 0 +++ [pid 5732] +++ exited with 0 +++ [pid 5740] <... clone3 resumed> => {parent_tid=[5741]}, 88) = 5741 [pid 5740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5740] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5738] +++ exited with 0 +++ [pid 5734] +++ exited with 0 +++ [pid 5731] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5741] <... rseq resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5741] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5740] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5742 attached [pid 5741] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5731, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5742] set_robust_list(0x55558a0856a0, 24 [pid 5741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5742 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5742] <... set_robust_list resumed>) = 0 [pid 5742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5741] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5742] <... prctl resumed>) = 0 [pid 5742] setpgid(0, 0) = 0 [pid 5742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5741] <... bpf resumed>) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5742] <... openat resumed>) = 3 [pid 5742] write(3, "1000", 4./strace-static-x86_64: Process 5745 attached ./strace-static-x86_64: Process 5744 attached ./strace-static-x86_64: Process 5743 attached [pid 5741] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5745] set_robust_list(0x55558a0856a0, 24 [pid 5744] set_robust_list(0x55558a0856a0, 24 [pid 5743] set_robust_list(0x55558a0856a0, 24 [pid 5742] <... write resumed>) = 4 [pid 5741] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5740] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5743 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5745 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5744 [pid 5745] <... set_robust_list resumed>) = 0 [pid 5744] <... set_robust_list resumed>) = 0 [pid 5743] <... set_robust_list resumed>) = 0 [pid 5742] close(3 [pid 5740] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = 1 [pid 5742] <... close resumed>) = 0 [pid 5740] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5745] setpgid(0, 0 [pid 5744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5742] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... bpf resumed>) = 4 [pid 5745] <... setpgid resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5744] <... prctl resumed>) = 0 [pid 5743] <... prctl resumed>) = 0 [pid 5741] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] setpgid(0, 0 [pid 5743] setpgid(0, 0 [pid 5745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5744] <... setpgid resumed>) = 0 [pid 5743] <... setpgid resumed>) = 0 [pid 5742] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5741] <... futex resumed>) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5742] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5741] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5740] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5740] <... futex resumed>) = 0 [pid 5741] <... bpf resumed>) = 5 [pid 5740] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5744] <... openat resumed>) = 3 [pid 5742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5745] <... openat resumed>) = 3 [pid 5741] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] write(3, "1000", 4 [pid 5744] write(3, "1000", 4 [pid 5743] <... openat resumed>) = 3 [pid 5742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5741] <... futex resumed>) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5745] <... write resumed>) = 4 [pid 5744] <... write resumed>) = 4 [pid 5743] write(3, "1000", 4 [pid 5742] <... mmap resumed>) = 0x7f7b61773000 [pid 5741] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5740] exit_group(0 [pid 5745] close(3 [pid 5744] close(3 [pid 5743] <... write resumed>) = 4 [pid 5742] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5741] <... futex resumed>) = ? [pid 5740] <... exit_group resumed>) = ? [pid 5745] <... close resumed>) = 0 [pid 5744] <... close resumed>) = 0 [pid 5743] close(3 [pid 5742] <... mprotect resumed>) = 0 [pid 5741] +++ exited with 0 +++ [pid 5745] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... close resumed>) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 0 [pid 5743] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5740] +++ exited with 0 +++ [pid 5745] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5743] <... futex resumed>) = 0 [pid 5745] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5744] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5743] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5744] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5742] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5745] <... mmap resumed>) = 0x7f7b61773000 [pid 5744] <... mmap resumed>) = 0x7f7b61773000 [pid 5743] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5745] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5744] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5743] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5746 attached [pid 5745] <... mprotect resumed>) = 0 [pid 5743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5744] <... mprotect resumed>) = 0 [pid 5743] <... mmap resumed>) = 0x7f7b61773000 [pid 5746] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5745] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5744] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5743] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5742] <... clone3 resumed> => {parent_tid=[5746]}, 88) = 5746 [pid 5746] set_robust_list(0x7f7b617939a0, 24 [pid 5745] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5746] <... set_robust_list resumed>) = 0 [pid 5744] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5743] <... mprotect resumed>) = 0 [pid 5742] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5746] rt_sigprocmask(SIG_SETMASK, [], [pid 5745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5747 attached [pid 5747] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5747] set_robust_list(0x7f7b617939a0, 24./strace-static-x86_64: Process 5748 attached ) = 0 [pid 5746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5745] <... clone3 resumed> => {parent_tid=[5747]}, 88) = 5747 [pid 5744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5743] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5748] set_robust_list(0x55558a0856a0, 24 [pid 5747] rt_sigprocmask(SIG_SETMASK, [], [pid 5742] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5748 [pid 5748] <... set_robust_list resumed>) = 0 [pid 5747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5746] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5745] rt_sigprocmask(SIG_SETMASK, [], [pid 5743] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5742] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5749 attached [pid 5745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5747] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5742] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5748] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5750 attached [pid 5746] <... bpf resumed>) = 3 [pid 5750] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5749] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5748] <... prctl resumed>) = 0 [pid 5746] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... clone3 resumed> => {parent_tid=[5749]}, 88) = 5749 [pid 5743] <... clone3 resumed> => {parent_tid=[5750]}, 88) = 5750 [pid 5750] <... rseq resumed>) = 0 [pid 5749] <... rseq resumed>) = 0 [pid 5748] setpgid(0, 0 [pid 5747] <... futex resumed>) = 0 [pid 5746] <... futex resumed>) = 1 [pid 5745] <... futex resumed>) = 1 [pid 5744] rt_sigprocmask(SIG_SETMASK, [], [pid 5742] <... futex resumed>) = 0 [pid 5750] set_robust_list(0x7f7b617939a0, 24 [pid 5749] set_robust_list(0x7f7b617939a0, 24 [pid 5748] <... setpgid resumed>) = 0 [pid 5747] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5746] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5743] rt_sigprocmask(SIG_SETMASK, [], [pid 5742] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... set_robust_list resumed>) = 0 [pid 5749] <... set_robust_list resumed>) = 0 [pid 5748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5747] <... bpf resumed>) = 3 [pid 5746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5744] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5750] rt_sigprocmask(SIG_SETMASK, [], [pid 5749] rt_sigprocmask(SIG_SETMASK, [], [pid 5747] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... futex resumed>) = 0 [pid 5743] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5748] <... openat resumed>) = 3 [pid 5747] <... futex resumed>) = 1 [pid 5746] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5745] <... futex resumed>) = 0 [pid 5744] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] <... futex resumed>) = 0 [pid 5750] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5749] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5747] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5750] <... bpf resumed>) = 3 [pid 5747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5745] <... futex resumed>) = 0 [pid 5750] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5746] <... bpf resumed>) = 4 [pid 5745] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5750] <... futex resumed>) = 1 [pid 5749] <... bpf resumed>) = 3 [pid 5748] write(3, "1000", 4 [pid 5743] <... futex resumed>) = 0 [pid 5743] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5743] <... futex resumed>) = 0 [pid 5749] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... write resumed>) = 4 [pid 5747] <... bpf resumed>) = 4 [pid 5746] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] <... futex resumed>) = 1 [pid 5748] close(3 [pid 5747] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... futex resumed>) = 0 [pid 5744] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... bpf resumed>) = 4 [pid 5749] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5748] <... close resumed>) = 0 [pid 5747] <... futex resumed>) = 1 [pid 5746] <... futex resumed>) = 1 [pid 5745] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5750] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5746] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... futex resumed>) = 0 [pid 5746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5745] <... futex resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5750] <... futex resumed>) = 1 [pid 5747] <... bpf resumed>) = 5 [pid 5744] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] <... bpf resumed>) = 4 [pid 5748] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5746] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5745] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5743] <... futex resumed>) = 0 [pid 5742] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5750] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5743] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5743] <... futex resumed>) = 0 [pid 5750] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5743] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5750] <... bpf resumed>) = 5 [pid 5749] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5747] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... bpf resumed>) = 5 [pid 5750] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... futex resumed>) = 1 [pid 5748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5747] <... futex resumed>) = 1 [pid 5745] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 0 [pid 5750] <... futex resumed>) = 1 [pid 5748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5744] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... futex resumed>) = 0 [pid 5750] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] <... futex resumed>) = 0 [pid 5744] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5743] exit_group(0) = ? [pid 5750] <... futex resumed>) = ? [pid 5749] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5747] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] exit_group(0 [pid 5749] <... bpf resumed>) = 5 [pid 5749] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... mmap resumed>) = 0x7f7b61773000 [pid 5747] <... futex resumed>) = ? [pid 5746] <... futex resumed>) = 1 [pid 5745] <... exit_group resumed>) = ? [pid 5742] <... futex resumed>) = 0 [pid 5750] +++ exited with 0 +++ [pid 5749] <... futex resumed>) = 1 [pid 5748] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5747] +++ exited with 0 +++ [pid 5746] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] <... futex resumed>) = 0 [pid 5743] +++ exited with 0 +++ [pid 5742] exit_group(0 [pid 5744] exit_group(0) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5743, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5749] +++ exited with 0 +++ [pid 5748] <... mprotect resumed>) = 0 [pid 5746] <... futex resumed>) = ? [pid 5745] +++ exited with 0 +++ [pid 5742] <... exit_group resumed>) = ? [pid 5748] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5746] +++ exited with 0 +++ [pid 5748] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5745, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5751 attached [pid 5751] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5748] <... clone3 resumed> => {parent_tid=[5751]}, 88) = 5751 [pid 5751] <... rseq resumed>) = 0 [pid 5748] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5752 ./strace-static-x86_64: Process 5752 attached [pid 5751] set_robust_list(0x7f7b617939a0, 24 [pid 5748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5752] set_robust_list(0x55558a0856a0, 24 [pid 5748] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5753 attached [pid 5752] <... set_robust_list resumed>) = 0 [pid 5751] rt_sigprocmask(SIG_SETMASK, [], [pid 5748] <... futex resumed>) = 0 [pid 5753] set_robust_list(0x55558a0856a0, 24 [pid 5752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5748] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5753 [pid 5753] <... set_robust_list resumed>) = 0 [pid 5752] <... prctl resumed>) = 0 [pid 5751] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5752] setpgid(0, 0 [pid 5751] <... bpf resumed>) = 3 [pid 5753] <... prctl resumed>) = 0 [pid 5751] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] setpgid(0, 0 [pid 5752] <... setpgid resumed>) = 0 [pid 5751] <... futex resumed>) = 1 [pid 5748] <... futex resumed>) = 0 [pid 5753] <... setpgid resumed>) = 0 [pid 5751] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5748] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5748] <... futex resumed>) = 0 [pid 5751] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5748] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] <... openat resumed>) = 3 [pid 5752] <... openat resumed>) = 3 [pid 5753] write(3, "1000", 4 [pid 5752] write(3, "1000", 4 [pid 5751] <... bpf resumed>) = 4 [pid 5753] <... write resumed>) = 4 [pid 5752] <... write resumed>) = 4 [pid 5753] close(3 [pid 5752] close(3 [pid 5751] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... close resumed>) = 0 [pid 5752] <... close resumed>) = 0 [pid 5751] <... futex resumed>) = 1 [pid 5748] <... futex resumed>) = 0 [pid 5753] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5748] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... futex resumed>) = 0 [pid 5752] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5748] <... futex resumed>) = 0 [pid 5753] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5752] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5751] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5748] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5753] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5752] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5753] <... mmap resumed>) = 0x7f7b61773000 [pid 5753] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5752] <... mmap resumed>) = 0x7f7b61773000 [pid 5752] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5744] +++ exited with 0 +++ [pid 5752] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5742] +++ exited with 0 +++ [pid 5752] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5754 attached [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5753] <... clone3 resumed> => {parent_tid=[5754]}, 88) = 5754 [pid 5754] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5755 attached [pid 5754] <... rseq resumed>) = 0 [pid 5753] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5755] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5755] <... rseq resumed>) = 0 [pid 5754] set_robust_list(0x7f7b617939a0, 24 [pid 5753] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... clone3 resumed> => {parent_tid=[5755]}, 88) = 5755 [pid 5755] set_robust_list(0x7f7b617939a0, 24 [pid 5754] <... set_robust_list resumed>) = 0 [pid 5753] <... futex resumed>) = 0 [pid 5752] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5755] <... set_robust_list resumed>) = 0 [pid 5754] rt_sigprocmask(SIG_SETMASK, [], [pid 5753] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5752] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5756 attached ./strace-static-x86_64: Process 5757 attached [pid 5755] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5756] set_robust_list(0x55558a0856a0, 24 [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5757 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5756 [pid 5757] set_robust_list(0x55558a0856a0, 24 [pid 5756] <... set_robust_list resumed>) = 0 [pid 5755] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5754] <... bpf resumed>) = 3 [pid 5752] <... futex resumed>) = 0 [pid 5757] <... set_robust_list resumed>) = 0 [pid 5756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5755] <... bpf resumed>) = 3 [pid 5752] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... prctl resumed>) = 0 [pid 5755] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5756] setpgid(0, 0 [pid 5755] <... futex resumed>) = 0 [pid 5754] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5752] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... setpgid resumed>) = 0 [pid 5755] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5753] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... futex resumed>) = 0 [pid 5757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5754] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5752] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] <... bpf resumed>) = 5 [pid 5753] <... futex resumed>) = 0 [pid 5757] <... prctl resumed>) = 0 [pid 5755] <... bpf resumed>) = 4 [pid 5753] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5757] setpgid(0, 0) = 0 [pid 5756] <... openat resumed>) = 3 [pid 5755] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... bpf resumed>) = 4 [pid 5752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5755] <... futex resumed>) = 0 [pid 5752] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... futex resumed>) = 1 [pid 5748] <... futex resumed>) = 0 [pid 5756] write(3, "1000", 4 [pid 5755] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5754] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... futex resumed>) = 0 [pid 5751] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5748] exit_group(0 [pid 5757] <... openat resumed>) = 3 [pid 5757] write(3, "1000", 4 [pid 5756] <... write resumed>) = 4 [pid 5755] <... bpf resumed>) = 5 [pid 5754] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5752] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5751] <... futex resumed>) = ? [pid 5748] <... exit_group resumed>) = ? [pid 5757] <... write resumed>) = 4 [pid 5756] close(3 [pid 5754] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5753] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] +++ exited with 0 +++ [pid 5756] <... close resumed>) = 0 [pid 5754] <... bpf resumed>) = 5 [pid 5753] <... futex resumed>) = 0 [pid 5757] close(3 [pid 5756] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5748] +++ exited with 0 +++ [pid 5757] <... close resumed>) = 0 [pid 5756] <... futex resumed>) = 0 [pid 5755] <... futex resumed>) = 1 [pid 5754] <... futex resumed>) = 0 [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] <... futex resumed>) = 0 [pid 5757] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5755] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5754] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] exit_group(0 [pid 5756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5754] <... futex resumed>) = ? [pid 5756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5753] <... exit_group resumed>) = ? [pid 5757] <... futex resumed>) = 0 [pid 5756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5754] +++ exited with 0 +++ [pid 5752] exit_group(0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5757] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5755] <... futex resumed>) = ? [pid 5752] <... exit_group resumed>) = ? [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5757] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5756] <... mmap resumed>) = 0x7f7b61773000 [pid 5755] +++ exited with 0 +++ [pid 5078] <... restart_syscall resumed>) = 0 [pid 5756] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5756] <... mprotect resumed>) = 0 [pid 5757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5756] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5757] <... mmap resumed>) = 0x7f7b61773000 [pid 5756] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5757] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5758 attached ) = 0 [pid 5756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5758 [pid 5758] set_robust_list(0x55558a0856a0, 24 [pid 5757] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5759 attached [pid 5758] <... set_robust_list resumed>) = 0 [pid 5757] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5756] <... clone3 resumed> => {parent_tid=[5759]}, 88) = 5759 [pid 5759] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5758] setpgid(0, 0) = 0 [pid 5756] rt_sigprocmask(SIG_SETMASK, [], [pid 5759] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 5760 attached [pid 5759] set_robust_list(0x7f7b617939a0, 24 [pid 5756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5757] <... clone3 resumed> => {parent_tid=[5760]}, 88) = 5760 [pid 5760] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5759] <... set_robust_list resumed>) = 0 [pid 5758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5757] rt_sigprocmask(SIG_SETMASK, [], [pid 5756] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] <... rseq resumed>) = 0 [pid 5759] rt_sigprocmask(SIG_SETMASK, [], [pid 5757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5756] <... futex resumed>) = 0 [pid 5753] +++ exited with 0 +++ [pid 5752] +++ exited with 0 +++ [pid 5760] set_robust_list(0x7f7b617939a0, 24 [pid 5759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5758] <... openat resumed>) = 3 [pid 5757] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5760] <... set_robust_list resumed>) = 0 [pid 5759] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5758] write(3, "1000", 4 [pid 5757] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5760] rt_sigprocmask(SIG_SETMASK, [], [pid 5759] <... bpf resumed>) = 3 [pid 5758] <... write resumed>) = 4 [pid 5757] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... restart_syscall resumed>) = 0 [pid 5760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5759] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] close(3 [pid 5760] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5759] <... futex resumed>) = 1 [pid 5756] <... futex resumed>) = 0 [pid 5760] <... bpf resumed>) = 3 [pid 5759] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] <... close resumed>) = 0 [pid 5756] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5761 attached [pid 5760] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... futex resumed>) = 0 [pid 5761] set_robust_list(0x55558a0856a0, 24 [pid 5760] <... futex resumed>) = 1 [pid 5759] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5758] <... futex resumed>) = 0 [pid 5757] <... futex resumed>) = 0 [pid 5756] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5761 ./strace-static-x86_64: Process 5762 attached [pid 5761] <... set_robust_list resumed>) = 0 [pid 5760] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5757] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] set_robust_list(0x55558a0856a0, 24 [pid 5761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5759] <... bpf resumed>) = 4 [pid 5758] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5757] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5762 [pid 5762] <... set_robust_list resumed>) = 0 [pid 5761] <... prctl resumed>) = 0 [pid 5760] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5759] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5757] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5761] setpgid(0, 0 [pid 5762] <... prctl resumed>) = 0 [pid 5761] <... setpgid resumed>) = 0 [pid 5760] <... bpf resumed>) = 4 [pid 5759] <... futex resumed>) = 1 [pid 5758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5756] <... futex resumed>) = 0 [pid 5758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5762] setpgid(0, 0 [pid 5761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5759] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] <... mmap resumed>) = 0x7f7b61773000 [pid 5756] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... setpgid resumed>) = 0 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5756] <... futex resumed>) = 0 [pid 5762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5761] <... openat resumed>) = 3 [pid 5760] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5756] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5762] <... openat resumed>) = 3 [pid 5761] write(3, "1000", 4 [pid 5760] <... futex resumed>) = 1 [pid 5758] <... mprotect resumed>) = 0 [pid 5757] <... futex resumed>) = 0 [pid 5760] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5757] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] write(3, "1000", 4 [pid 5761] <... write resumed>) = 4 [pid 5760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5757] <... futex resumed>) = 0 [pid 5762] <... write resumed>) = 4 [pid 5761] close(3 [pid 5760] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5757] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5762] close(3 [pid 5761] <... close resumed>) = 0 [pid 5758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5762] <... close resumed>) = 0 [pid 5761] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5763 attached [pid 5762] <... futex resumed>) = 0 [pid 5761] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5759] <... bpf resumed>) = 5 [pid 5758] <... clone3 resumed> => {parent_tid=[5763]}, 88) = 5763 [pid 5762] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5761] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5762] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5759] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5759] <... futex resumed>) = 1 [pid 5756] <... futex resumed>) = 0 [pid 5762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5761] <... mmap resumed>) = 0x7f7b61773000 [pid 5759] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] exit_group(0 [pid 5762] <... mmap resumed>) = 0x7f7b61773000 [pid 5761] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5759] <... futex resumed>) = ? [pid 5756] <... exit_group resumed>) = ? [pid 5763] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5762] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5761] <... mprotect resumed>) = 0 [pid 5760] <... bpf resumed>) = 5 [pid 5759] +++ exited with 0 +++ [pid 5758] rt_sigprocmask(SIG_SETMASK, [], [pid 5763] <... rseq resumed>) = 0 [pid 5762] <... mprotect resumed>) = 0 [pid 5761] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5760] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] set_robust_list(0x7f7b617939a0, 24 [pid 5760] <... futex resumed>) = 1 [pid 5763] <... set_robust_list resumed>) = 0 [pid 5758] <... futex resumed>) = 0 [pid 5760] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5757] <... futex resumed>) = 0 [pid 5763] rt_sigprocmask(SIG_SETMASK, [], [pid 5758] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5762] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5761] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5757] exit_group(0 [pid 5762] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5763] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5764 attached [pid 5762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5760] <... futex resumed>) = ? [pid 5757] <... exit_group resumed>) = ? [pid 5761] <... clone3 resumed> => {parent_tid=[5764]}, 88) = 5764 ./strace-static-x86_64: Process 5765 attached [pid 5764] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5762] <... clone3 resumed> => {parent_tid=[5765]}, 88) = 5765 [pid 5761] rt_sigprocmask(SIG_SETMASK, [], [pid 5765] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5764] <... rseq resumed>) = 0 [pid 5763] <... bpf resumed>) = 3 [pid 5762] rt_sigprocmask(SIG_SETMASK, [], [pid 5761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5764] set_robust_list(0x7f7b617939a0, 24 [pid 5763] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... set_robust_list resumed>) = 0 [pid 5761] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] <... futex resumed>) = 0 [pid 5764] rt_sigprocmask(SIG_SETMASK, [], [pid 5763] <... futex resumed>) = 1 [pid 5761] <... futex resumed>) = 0 [pid 5758] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5763] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5761] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... rseq resumed>) = 0 [pid 5764] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5758] <... futex resumed>) = 0 [pid 5765] set_robust_list(0x7f7b617939a0, 24 [pid 5764] <... bpf resumed>) = 3 [pid 5763] <... bpf resumed>) = 4 [pid 5762] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... set_robust_list resumed>) = 0 [pid 5764] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... futex resumed>) = 0 [pid 5765] rt_sigprocmask(SIG_SETMASK, [], [pid 5764] <... futex resumed>) = 1 [pid 5763] <... futex resumed>) = 0 [pid 5762] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] <... futex resumed>) = 0 [pid 5758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5764] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5763] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5761] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5761] <... futex resumed>) = 0 [pid 5758] <... futex resumed>) = 0 [pid 5765] <... bpf resumed>) = 3 [pid 5764] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5765] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5761] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5758] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5765] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5762] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5765] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5764] <... bpf resumed>) = 4 [pid 5762] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... bpf resumed>) = 4 [pid 5764] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] +++ exited with 0 +++ [pid 5765] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... futex resumed>) = 1 [pid 5761] <... futex resumed>) = 0 [pid 5760] +++ exited with 0 +++ [pid 5757] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5756, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5765] <... futex resumed>) = 1 [pid 5764] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] <... futex resumed>) = 0 [pid 5761] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5762] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5764] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5762] <... futex resumed>) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5761] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5762] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] <... restart_syscall resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5767 attached ./strace-static-x86_64: Process 5766 attached [pid 5767] set_robust_list(0x55558a0856a0, 24 [pid 5766] set_robust_list(0x55558a0856a0, 24 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5766 [pid 5767] <... set_robust_list resumed>) = 0 [pid 5766] <... set_robust_list resumed>) = 0 [pid 5767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5767] <... prctl resumed>) = 0 [pid 5766] <... prctl resumed>) = 0 [pid 5767] setpgid(0, 0 [pid 5766] setpgid(0, 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5767 [pid 5766] <... setpgid resumed>) = 0 [pid 5767] <... setpgid resumed>) = 0 [pid 5767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5767] <... openat resumed>) = 3 [pid 5766] <... openat resumed>) = 3 [pid 5767] write(3, "1000", 4 [pid 5766] write(3, "1000", 4 [pid 5767] <... write resumed>) = 4 [pid 5767] close(3 [pid 5766] <... write resumed>) = 4 [pid 5767] <... close resumed>) = 0 [pid 5767] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5766] close(3 [pid 5765] <... bpf resumed>) = 5 [pid 5764] <... bpf resumed>) = 5 [pid 5763] <... bpf resumed>) = 5 [pid 5764] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5766] <... close resumed>) = 0 [pid 5765] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5766] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... futex resumed>) = 1 [pid 5763] <... futex resumed>) = 1 [pid 5767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5766] <... futex resumed>) = 0 [pid 5765] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5763] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5766] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5766] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5767] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5767] <... mprotect resumed>) = 0 [pid 5766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5766] <... mmap resumed>) = 0x7f7b61773000 [pid 5764] <... futex resumed>) = 1 [pid 5761] <... futex resumed>) = 0 [pid 5762] <... futex resumed>) = 0 [pid 5764] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] <... futex resumed>) = 0 [pid 5767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5766] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5761] exit_group(0 [pid 5767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5766] <... mprotect resumed>) = 0 [pid 5766] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5764] <... futex resumed>) = ? [pid 5762] exit_group(0 [pid 5761] <... exit_group resumed>) = ? [pid 5767] <... clone3 resumed> => {parent_tid=[5768]}, 88) = 5768 [pid 5766] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5767] rt_sigprocmask(SIG_SETMASK, [], [pid 5766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5764] +++ exited with 0 +++ [pid 5767] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5769 attached [pid 5767] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5767] <... futex resumed>) = 0 [pid 5769] <... rseq resumed>) = 0 [pid 5767] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] <... clone3 resumed> => {parent_tid=[5769]}, 88) = 5769 [pid 5769] set_robust_list(0x7f7b617939a0, 24 [pid 5766] rt_sigprocmask(SIG_SETMASK, [], [pid 5769] <... set_robust_list resumed>) = 0 [pid 5766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5769] rt_sigprocmask(SIG_SETMASK, [], [pid 5766] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... exit_group resumed>) = ? [pid 5761] +++ exited with 0 +++ [pid 5758] exit_group(0./strace-static-x86_64: Process 5768 attached [pid 5765] <... futex resumed>) = ? [pid 5768] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5758] <... exit_group resumed>) = ? [pid 5769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5766] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = ? [pid 5769] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5766] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5769] <... bpf resumed>) = 3 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5769] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5769] <... futex resumed>) = 1 [pid 5766] <... futex resumed>) = 0 [pid 5769] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] <... rseq resumed>) = 0 [pid 5766] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] +++ exited with 0 +++ [pid 5762] +++ exited with 0 +++ [pid 5769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5766] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5769] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5766] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5770 attached [pid 5768] set_robust_list(0x7f7b617939a0, 24 [pid 5758] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5770 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5770] set_robust_list(0x55558a0856a0, 24 [pid 5769] <... bpf resumed>) = 4 [pid 5768] <... set_robust_list resumed>) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5770] <... set_robust_list resumed>) = 0 [pid 5769] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5758, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5769] <... futex resumed>) = 1 [pid 5768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5766] <... futex resumed>) = 0 [pid 5770] <... prctl resumed>) = 0 [pid 5769] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5766] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5770] setpgid(0, 0 [pid 5769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5768] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5766] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5771 attached [pid 5770] <... setpgid resumed>) = 0 [pid 5769] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5768] <... bpf resumed>) = 3 [pid 5766] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5771] set_robust_list(0x55558a0856a0, 24 [pid 5770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5768] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5771 [pid 5768] <... futex resumed>) = 1 [pid 5771] <... set_robust_list resumed>) = 0 [pid 5770] <... openat resumed>) = 3 [pid 5768] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5770] write(3, "1000", 4 [pid 5771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5767] <... futex resumed>) = 0 [pid 5770] <... write resumed>) = 4 ./strace-static-x86_64: Process 5772 attached [pid 5770] close(3 [pid 5767] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5772 [pid 5772] set_robust_list(0x55558a0856a0, 24 [pid 5771] <... prctl resumed>) = 0 [pid 5770] <... close resumed>) = 0 [pid 5768] <... futex resumed>) = 0 [pid 5767] <... futex resumed>) = 1 [pid 5772] <... set_robust_list resumed>) = 0 [pid 5771] setpgid(0, 0 [pid 5770] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5767] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5771] <... setpgid resumed>) = 0 [pid 5770] <... futex resumed>) = 0 [pid 5768] <... bpf resumed>) = 4 [pid 5771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5770] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5768] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... prctl resumed>) = 0 [pid 5771] <... openat resumed>) = 3 [pid 5770] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5769] <... bpf resumed>) = 5 [pid 5768] <... futex resumed>) = 1 [pid 5767] <... futex resumed>) = 0 [pid 5772] setpgid(0, 0 [pid 5770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5769] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... setpgid resumed>) = 0 [pid 5771] write(3, "1000", 4 [pid 5770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5769] <... futex resumed>) = 1 [pid 5768] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5767] <... futex resumed>) = 0 [pid 5766] <... futex resumed>) = 0 [pid 5772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5771] <... write resumed>) = 4 [pid 5770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5769] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5772] <... openat resumed>) = 3 [pid 5771] close(3 [pid 5770] <... mmap resumed>) = 0x7f7b61773000 [pid 5768] <... bpf resumed>) = 5 [pid 5767] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5766] exit_group(0 [pid 5772] write(3, "1000", 4 [pid 5771] <... close resumed>) = 0 [pid 5770] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5772] <... write resumed>) = 4 [pid 5771] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... mprotect resumed>) = 0 [pid 5769] <... futex resumed>) = ? [pid 5768] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... exit_group resumed>) = ? [pid 5772] close(3 [pid 5771] <... futex resumed>) = 0 [pid 5770] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5769] +++ exited with 0 +++ [pid 5767] <... futex resumed>) = 0 [pid 5772] <... close resumed>) = 0 [pid 5772] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5770] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5772] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5772] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5773 attached [pid 5772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5773] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] <... rseq resumed>) = 0 [pid 5772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5770] <... clone3 resumed> => {parent_tid=[5773]}, 88) = 5773 [pid 5773] set_robust_list(0x7f7b617939a0, 24 [pid 5772] <... mmap resumed>) = 0x7f7b61773000 [pid 5771] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5768] <... futex resumed>) = 1 [pid 5767] exit_group(0 [pid 5770] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] <... set_robust_list resumed>) = 0 [pid 5772] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5771] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5767] <... exit_group resumed>) = ? [pid 5773] rt_sigprocmask(SIG_SETMASK, [], [pid 5772] <... mprotect resumed>) = 0 [pid 5771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5768] +++ exited with 0 +++ [pid 5773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5773] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5772] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5770] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... bpf resumed>) = 3 [pid 5771] <... mmap resumed>) = 0x7f7b61773000 [pid 5770] <... futex resumed>) = 0 [pid 5773] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5771] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5770] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] <... futex resumed>) = 0 [pid 5772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5771] <... mprotect resumed>) = 0 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5774 attached [pid 5773] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5774] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5771] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5774] <... rseq resumed>) = 0 [pid 5771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5775 attached [pid 5774] set_robust_list(0x7f7b617939a0, 24 [pid 5775] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5774] <... set_robust_list resumed>) = 0 [pid 5771] <... clone3 resumed> => {parent_tid=[5775]}, 88) = 5775 [pid 5775] <... rseq resumed>) = 0 [pid 5774] rt_sigprocmask(SIG_SETMASK, [], [pid 5771] rt_sigprocmask(SIG_SETMASK, [], [pid 5775] set_robust_list(0x7f7b617939a0, 24 [pid 5774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5775] <... set_robust_list resumed>) = 0 [pid 5774] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] rt_sigprocmask(SIG_SETMASK, [], [pid 5771] <... futex resumed>) = 0 [pid 5775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5775] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5770] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] <... bpf resumed>) = 3 [pid 5773] <... futex resumed>) = 0 [pid 5772] <... clone3 resumed> => {parent_tid=[5774]}, 88) = 5774 [pid 5770] <... futex resumed>) = 1 [pid 5775] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5772] rt_sigprocmask(SIG_SETMASK, [], [pid 5770] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5775] <... futex resumed>) = 1 [pid 5771] <... futex resumed>) = 0 [pid 5771] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5771] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] <... bpf resumed>) = 4 [pid 5772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5775] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5773] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] +++ exited with 0 +++ [pid 5774] <... futex resumed>) = 0 [pid 5772] <... futex resumed>) = 1 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5774] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5773] <... futex resumed>) = 1 [pid 5772] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] <... futex resumed>) = 0 [pid 5775] <... bpf resumed>) = 4 [pid 5767] +++ exited with 0 +++ [pid 5775] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] <... bpf resumed>) = 3 [pid 5773] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5770] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5767, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5775] <... futex resumed>) = 1 [pid 5774] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5771] <... futex resumed>) = 0 [pid 5770] <... futex resumed>) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5775] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5773] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5770] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5774] <... futex resumed>) = 1 [pid 5772] <... futex resumed>) = 0 [pid 5771] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5774] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5772] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... futex resumed>) = 0 [pid 5076] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5776 attached [pid 5775] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5772] <... futex resumed>) = 0 [pid 5771] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5776] set_robust_list(0x55558a0856a0, 24 [pid 5774] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5772] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5776] <... set_robust_list resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5776 [pid 5776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5774] <... bpf resumed>) = 4 [pid 5776] <... prctl resumed>) = 0 [pid 5774] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] setpgid(0, 0 [pid 5774] <... futex resumed>) = 1 [pid 5772] <... futex resumed>) = 0 [pid 5772] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5777 attached [pid 5776] <... setpgid resumed>) = 0 [pid 5774] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5772] <... futex resumed>) = 0 [pid 5777] set_robust_list(0x55558a0856a0, 24 [pid 5776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5772] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5777 [pid 5777] <... set_robust_list resumed>) = 0 [pid 5776] <... openat resumed>) = 3 [pid 5777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5776] write(3, "1000", 4) = 4 [pid 5776] close(3) = 0 [pid 5776] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5777] <... prctl resumed>) = 0 [pid 5775] <... bpf resumed>) = 5 [pid 5774] <... bpf resumed>) = 5 [pid 5773] <... bpf resumed>) = 5 [pid 5774] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] <... futex resumed>) = 1 [pid 5773] <... futex resumed>) = 1 [pid 5772] <... futex resumed>) = 0 [pid 5770] <... futex resumed>) = 0 [pid 5777] setpgid(0, 0 [pid 5776] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5775] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5773] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5772] exit_group(0 [pid 5770] exit_group(0 [pid 5777] <... setpgid resumed>) = 0 [pid 5776] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5775] <... futex resumed>) = 1 [pid 5774] <... futex resumed>) = ? [pid 5773] <... futex resumed>) = ? [pid 5772] <... exit_group resumed>) = ? [pid 5771] <... futex resumed>) = 0 [pid 5770] <... exit_group resumed>) = ? [pid 5777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5775] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] +++ exited with 0 +++ [pid 5773] +++ exited with 0 +++ [pid 5771] exit_group(0 [pid 5770] +++ exited with 0 +++ [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] <... exit_group resumed>) = ? [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5770, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5777] <... openat resumed>) = 3 [pid 5776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5775] <... futex resumed>) = ? [pid 5777] write(3, "1000", 4) = 4 [pid 5777] close(3 [pid 5776] <... mmap resumed>) = 0x7f7b61773000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5777] <... close resumed>) = 0 [pid 5776] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5778 attached [pid 5777] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] +++ exited with 0 +++ [pid 5772] +++ exited with 0 +++ [pid 5771] +++ exited with 0 +++ [pid 5778] set_robust_list(0x55558a0856a0, 24 [pid 5777] <... futex resumed>) = 0 [pid 5776] <... mprotect resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5778 [pid 5778] <... set_robust_list resumed>) = 0 [pid 5777] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5772, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5777] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5778] setpgid(0, 0 [pid 5777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5778] <... setpgid resumed>) = 0 [pid 5777] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5780 attached ./strace-static-x86_64: Process 5779 attached ./strace-static-x86_64: Process 5781 attached [pid 5781] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5779] set_robust_list(0x55558a0856a0, 24 [pid 5777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5780] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5779] <... set_robust_list resumed>) = 0 [pid 5781] <... rseq resumed>) = 0 [pid 5779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5777] <... mmap resumed>) = 0x7f7b61773000 [pid 5776] <... clone3 resumed> => {parent_tid=[5781]}, 88) = 5781 [pid 5781] set_robust_list(0x7f7b617939a0, 24 [pid 5779] <... prctl resumed>) = 0 [pid 5778] <... openat resumed>) = 3 [pid 5776] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5779 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5780 [pid 5781] <... set_robust_list resumed>) = 0 [pid 5780] <... prctl resumed>) = 0 [pid 5779] setpgid(0, 0 [pid 5777] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5781] rt_sigprocmask(SIG_SETMASK, [], [pid 5778] write(3, "1000", 4 [pid 5776] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5780] setpgid(0, 0 [pid 5779] <... setpgid resumed>) = 0 [pid 5778] <... write resumed>) = 4 [pid 5777] <... mprotect resumed>) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5781] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5780] <... setpgid resumed>) = 0 [pid 5778] close(3 [pid 5776] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5781] <... bpf resumed>) = 3 [pid 5779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5778] <... close resumed>) = 0 [pid 5777] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5781] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] <... openat resumed>) = 3 [pid 5778] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] <... futex resumed>) = 1 [pid 5776] <... futex resumed>) = 0 [pid 5781] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5778] <... futex resumed>) = 0 [pid 5776] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... openat resumed>) = 3 [pid 5779] write(3, "1000", 4 [pid 5778] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5777] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5781] <... bpf resumed>) = 4 [pid 5780] write(3, "1000", 4 [pid 5779] <... write resumed>) = 4 [pid 5778] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5776] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5782 attached [pid 5781] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... write resumed>) = 4 [pid 5779] close(3 [pid 5778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5782] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5781] <... futex resumed>) = 0 [pid 5780] close(3 [pid 5779] <... close resumed>) = 0 [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5777] <... clone3 resumed> => {parent_tid=[5782]}, 88) = 5782 [pid 5776] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] <... rseq resumed>) = 0 [pid 5781] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5780] <... close resumed>) = 0 [pid 5779] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5777] rt_sigprocmask(SIG_SETMASK, [], [pid 5776] <... futex resumed>) = 0 [pid 5782] set_robust_list(0x7f7b617939a0, 24 [pid 5780] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] <... futex resumed>) = 0 [pid 5777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5780] <... futex resumed>) = 0 [pid 5779] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5777] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5779] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5777] <... futex resumed>) = 0 [pid 5780] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5777] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5779] <... mmap resumed>) = 0x7f7b61773000 [pid 5780] <... mmap resumed>) = 0x7f7b61773000 [pid 5779] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5780] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5782] <... set_robust_list resumed>) = 0 [pid 5780] <... mprotect resumed>) = 0 [pid 5779] <... mprotect resumed>) = 0 [pid 5778] <... mmap resumed>) = 0x7f7b61773000 [pid 5776] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5782] rt_sigprocmask(SIG_SETMASK, [], [pid 5781] <... bpf resumed>) = 5 [pid 5780] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5778] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5781] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5778] <... mprotect resumed>) = 0 [pid 5782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5781] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5776] exit_group(0 [pid 5782] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5776] <... exit_group resumed>) = ? [pid 5781] <... futex resumed>) = ? ./strace-static-x86_64: Process 5783 attached [pid 5782] <... bpf resumed>) = 3 [pid 5779] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5781] +++ exited with 0 +++ [pid 5783] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5782] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... rseq resumed>) = 0 [pid 5782] <... futex resumed>) = 1 [pid 5783] set_robust_list(0x7f7b617939a0, 24 [pid 5778] <... clone3 resumed> => {parent_tid=[5784]}, 88) = 5784 [pid 5783] <... set_robust_list resumed>) = 0 [pid 5778] rt_sigprocmask(SIG_SETMASK, [], [pid 5783] rt_sigprocmask(SIG_SETMASK, [], [pid 5782] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5779] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5783] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5784 attached [pid 5783] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] <... clone3 resumed> => {parent_tid=[5783]}, 88) = 5783 [pid 5778] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... futex resumed>) = 0 [pid 5784] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5780] rt_sigprocmask(SIG_SETMASK, [], [pid 5779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5778] <... futex resumed>) = 0 [pid 5777] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... rseq resumed>) = 0 [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5777] <... futex resumed>) = 0 [pid 5784] set_robust_list(0x7f7b617939a0, 24 [pid 5780] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5784] <... set_robust_list resumed>) = 0 [pid 5783] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = 1 [pid 5778] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5784] rt_sigprocmask(SIG_SETMASK, [], [pid 5782] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5780] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5785 attached [pid 5784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5783] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5776] +++ exited with 0 +++ [pid 5785] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5784] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5783] <... bpf resumed>) = 3 [pid 5782] <... bpf resumed>) = 4 [pid 5779] <... clone3 resumed> => {parent_tid=[5785]}, 88) = 5785 [pid 5785] <... rseq resumed>) = 0 [pid 5784] <... bpf resumed>) = 3 [pid 5783] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] rt_sigprocmask(SIG_SETMASK, [], [pid 5785] set_robust_list(0x7f7b617939a0, 24 [pid 5784] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... futex resumed>) = 1 [pid 5782] <... futex resumed>) = 1 [pid 5780] <... futex resumed>) = 0 [pid 5779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5777] <... futex resumed>) = 0 [pid 5785] <... set_robust_list resumed>) = 0 [pid 5784] <... futex resumed>) = 1 [pid 5783] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] <... futex resumed>) = 0 [pid 5777] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5785] rt_sigprocmask(SIG_SETMASK, [], [pid 5784] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5780] <... futex resumed>) = 0 [pid 5779] <... futex resumed>) = 0 [pid 5778] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... futex resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5783] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5782] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5780] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5779] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] <... futex resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5785] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5784] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5778] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5777] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5783] <... bpf resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5784] <... bpf resumed>) = 4 [pid 5785] <... bpf resumed>) = 3 [pid 5783] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5783] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5784] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 0 [pid 5779] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5786 attached [pid 5785] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5784] <... futex resumed>) = 1 [pid 5780] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] <... futex resumed>) = 0 [pid 5786] set_robust_list(0x55558a0856a0, 24 [pid 5785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5784] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5783] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = 1 [pid 5779] <... futex resumed>) = 0 [pid 5778] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... set_robust_list resumed>) = 0 [pid 5785] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5783] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5780] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5779] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5786 [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5785] <... bpf resumed>) = 4 [pid 5784] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5778] <... futex resumed>) = 0 [pid 5778] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5786] <... prctl resumed>) = 0 [pid 5785] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... bpf resumed>) = 5 [pid 5783] <... bpf resumed>) = 5 [pid 5782] <... bpf resumed>) = 5 [pid 5786] setpgid(0, 0 [pid 5785] <... futex resumed>) = 1 [pid 5784] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] <... futex resumed>) = 0 [pid 5785] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5784] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5782] <... futex resumed>) = 1 [pid 5777] <... futex resumed>) = 0 [pid 5786] <... setpgid resumed>) = 0 [pid 5784] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5783] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5779] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] exit_group(0 [pid 5777] exit_group(0 [pid 5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5785] <... futex resumed>) = 0 [pid 5783] <... futex resumed>) = 1 [pid 5780] <... futex resumed>) = 0 [pid 5779] <... futex resumed>) = 1 [pid 5786] <... openat resumed>) = 3 [pid 5785] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5784] <... futex resumed>) = ? [pid 5783] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] <... futex resumed>) = ? [pid 5780] exit_group(0 [pid 5779] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5778] <... exit_group resumed>) = ? [pid 5777] <... exit_group resumed>) = ? [pid 5786] write(3, "1000", 4 [pid 5785] <... bpf resumed>) = 5 [pid 5784] +++ exited with 0 +++ [pid 5783] <... futex resumed>) = ? [pid 5782] +++ exited with 0 +++ [pid 5780] <... exit_group resumed>) = ? [pid 5786] <... write resumed>) = 4 [pid 5785] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] +++ exited with 0 +++ [pid 5786] close(3 [pid 5785] <... futex resumed>) = 1 [pid 5779] <... futex resumed>) = 0 [pid 5786] <... close resumed>) = 0 [pid 5785] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5779] exit_group(0 [pid 5786] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... futex resumed>) = ? [pid 5779] <... exit_group resumed>) = ? [pid 5786] <... futex resumed>) = 0 [pid 5785] +++ exited with 0 +++ [pid 5778] +++ exited with 0 +++ [pid 5777] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5786] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5080] <... restart_syscall resumed>) = 0 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5787 attached ./strace-static-x86_64: Process 5788 attached [pid 5787] set_robust_list(0x55558a0856a0, 24 [pid 5786] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5787 [pid 5786] <... mprotect resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5788 [pid 5788] set_robust_list(0x55558a0856a0, 24 [pid 5787] <... set_robust_list resumed>) = 0 [pid 5786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5788] <... set_robust_list resumed>) = 0 [pid 5787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5788] <... prctl resumed>) = 0 [pid 5788] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5789 attached [pid 5787] <... prctl resumed>) = 0 [pid 5786] <... clone3 resumed> => {parent_tid=[5789]}, 88) = 5789 [pid 5780] +++ exited with 0 +++ [pid 5779] +++ exited with 0 +++ [pid 5789] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5787] setpgid(0, 0 [pid 5786] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5780, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5789] <... rseq resumed>) = 0 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5786] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5789] set_robust_list(0x7f7b617939a0, 24 [pid 5788] <... openat resumed>) = 3 [pid 5787] <... setpgid resumed>) = 0 [pid 5789] <... set_robust_list resumed>) = 0 [pid 5788] write(3, "1000", 4 [pid 5787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5789] rt_sigprocmask(SIG_SETMASK, [], [pid 5788] <... write resumed>) = 4 [pid 5789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5788] close(3 [pid 5789] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5788] <... close resumed>) = 0 [pid 5787] <... openat resumed>) = 3 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5789] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5790 attached [pid 5789] <... futex resumed>) = 1 [pid 5788] <... futex resumed>) = 0 [pid 5787] write(3, "1000", 4 [pid 5786] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5789] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5788] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5787] <... write resumed>) = 4 [pid 5786] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5790 ./strace-static-x86_64: Process 5791 attached [pid 5790] set_robust_list(0x55558a0856a0, 24 [pid 5789] <... bpf resumed>) = 4 [pid 5788] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5787] close(3 [pid 5791] set_robust_list(0x55558a0856a0, 24 [pid 5790] <... set_robust_list resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5791] <... set_robust_list resumed>) = 0 [pid 5790] <... prctl resumed>) = 0 [pid 5789] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5787] <... close resumed>) = 0 [pid 5786] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5791 [pid 5791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5787] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... prctl resumed>) = 0 [pid 5790] setpgid(0, 0 [pid 5789] <... futex resumed>) = 0 [pid 5790] <... setpgid resumed>) = 0 [pid 5789] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5788] <... mmap resumed>) = 0x7f7b61773000 [pid 5787] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5786] <... futex resumed>) = 0 [pid 5791] setpgid(0, 0 [pid 5790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5788] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5787] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5786] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5791] <... setpgid resumed>) = 0 [pid 5790] <... openat resumed>) = 3 [pid 5789] <... bpf resumed>) = 5 [pid 5788] <... mprotect resumed>) = 0 [pid 5787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5790] write(3, "1000", 4 [pid 5789] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5790] <... write resumed>) = 4 [pid 5789] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5789] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] exit_group(0 [pid 5791] <... openat resumed>) = 3 [pid 5790] close(3 [pid 5789] <... futex resumed>) = ? [pid 5788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5787] <... mmap resumed>) = 0x7f7b61773000 [pid 5786] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5792 attached [pid 5791] write(3, "1000", 4 [pid 5790] <... close resumed>) = 0 [pid 5789] +++ exited with 0 +++ [pid 5787] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5792] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5791] <... write resumed>) = 4 [pid 5790] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... rseq resumed>) = 0 [pid 5791] close(3 [pid 5790] <... futex resumed>) = 0 [pid 5788] <... clone3 resumed> => {parent_tid=[5792]}, 88) = 5792 [pid 5787] <... mprotect resumed>) = 0 [pid 5792] set_robust_list(0x7f7b617939a0, 24 [pid 5788] rt_sigprocmask(SIG_SETMASK, [], [pid 5792] <... set_robust_list resumed>) = 0 [pid 5788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5792] rt_sigprocmask(SIG_SETMASK, [], [pid 5788] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5788] <... futex resumed>) = 0 [pid 5792] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5791] <... close resumed>) = 0 [pid 5790] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5788] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5786] +++ exited with 0 +++ [pid 5792] <... bpf resumed>) = 3 [pid 5791] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5787] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5786, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5792] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... futex resumed>) = 0 [pid 5790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5792] <... futex resumed>) = 1 [pid 5790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5788] <... futex resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5793 attached [pid 5792] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5791] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5788] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... clone3 resumed> => {parent_tid=[5793]}, 88) = 5793 [pid 5793] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5791] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5790] <... mmap resumed>) = 0x7f7b61773000 [pid 5788] <... futex resumed>) = 0 [pid 5787] rt_sigprocmask(SIG_SETMASK, [], [pid 5793] <... rseq resumed>) = 0 [pid 5792] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5790] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5788] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5793] set_robust_list(0x7f7b617939a0, 24 [pid 5791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5790] <... mprotect resumed>) = 0 [pid 5787] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... set_robust_list resumed>) = 0 [pid 5792] <... bpf resumed>) = 4 [pid 5791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5787] <... futex resumed>) = 0 [pid 5792] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5794 attached [pid 5793] rt_sigprocmask(SIG_SETMASK, [], [pid 5792] <... futex resumed>) = 1 [pid 5791] <... mmap resumed>) = 0x7f7b61773000 [pid 5790] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5788] <... futex resumed>) = 0 [pid 5787] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5791] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5790] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5794] set_robust_list(0x55558a0856a0, 24 [pid 5792] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5788] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5794 [pid 5794] <... set_robust_list resumed>) = 0 [pid 5793] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5791] <... mprotect resumed>) = 0 [pid 5790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5788] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5795 attached [pid 5794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5788] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5794] <... prctl resumed>) = 0 [pid 5790] <... clone3 resumed> => {parent_tid=[5795]}, 88) = 5795 [pid 5795] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5794] setpgid(0, 0 [pid 5790] rt_sigprocmask(SIG_SETMASK, [], [pid 5795] set_robust_list(0x7f7b617939a0, 24 [pid 5794] <... setpgid resumed>) = 0 [pid 5791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5795] <... set_robust_list resumed>) = 0 [pid 5794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5793] <... bpf resumed>) = 3 [pid 5795] rt_sigprocmask(SIG_SETMASK, [], [pid 5794] <... openat resumed>) = 3 [pid 5793] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5793] <... futex resumed>) = 1 [pid 5791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5790] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5795] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5794] write(3, "1000", 4 [pid 5793] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5792] <... bpf resumed>) = 5 [pid 5791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5790] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] <... write resumed>) = 4 [pid 5787] <... futex resumed>) = 0 [pid 5794] close(3 [pid 5792] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5794] <... close resumed>) = 0 [pid 5792] <... futex resumed>) = 1 [pid 5788] <... futex resumed>) = 0 [pid 5794] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] exit_group(0 [pid 5794] <... futex resumed>) = 0 [pid 5792] <... futex resumed>) = ? [pid 5788] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5796 attached [pid 5795] <... bpf resumed>) = 3 [pid 5794] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5793] <... bpf resumed>) = 4 [pid 5792] +++ exited with 0 +++ [pid 5794] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5795] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5788] +++ exited with 0 +++ [pid 5794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5795] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5796] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5796] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5796] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5796] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] <... mmap resumed>) = 0x7f7b61773000 [pid 5791] <... clone3 resumed> => {parent_tid=[5796]}, 88) = 5796 [pid 5790] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5794] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5791] rt_sigprocmask(SIG_SETMASK, [], [pid 5790] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5795] <... futex resumed>) = 0 [pid 5794] <... mprotect resumed>) = 0 [pid 5793] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5790] <... futex resumed>) = 1 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5795] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5793] <... futex resumed>) = 1 [pid 5791] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] <... futex resumed>) = 0 [pid 5794] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5787] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5794] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5787] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5796] <... futex resumed>) = 0 [pid 5795] <... bpf resumed>) = 4 [pid 5794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5793] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5791] <... futex resumed>) = 1 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5796] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5795] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5798 attached ./strace-static-x86_64: Process 5797 attached [pid 5796] <... bpf resumed>) = 3 [pid 5795] <... futex resumed>) = 1 [pid 5794] <... clone3 resumed> => {parent_tid=[5797]}, 88) = 5797 [pid 5790] <... futex resumed>) = 0 [pid 5798] set_robust_list(0x55558a0856a0, 24 [pid 5797] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5796] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] rt_sigprocmask(SIG_SETMASK, [], [pid 5790] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5797] <... rseq resumed>) = 0 [pid 5794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5797] set_robust_list(0x7f7b617939a0, 24 [pid 5794] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... set_robust_list resumed>) = 0 [pid 5796] <... futex resumed>) = 1 [pid 5794] <... futex resumed>) = 0 [pid 5791] <... futex resumed>) = 0 [pid 5798] <... set_robust_list resumed>) = 0 [pid 5797] rt_sigprocmask(SIG_SETMASK, [], [pid 5796] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] <... futex resumed>) = 0 [pid 5798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5798 [pid 5798] <... prctl resumed>) = 0 [pid 5797] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5796] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5791] <... futex resumed>) = 0 [pid 5790] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5798] setpgid(0, 0 [pid 5791] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5798] <... setpgid resumed>) = 0 [pid 5798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5797] <... bpf resumed>) = 3 [pid 5796] <... bpf resumed>) = 4 [pid 5795] <... bpf resumed>) = 5 [pid 5793] <... bpf resumed>) = 5 [pid 5795] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] write(3, "1000", 4 [pid 5797] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] <... write resumed>) = 4 [pid 5796] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... futex resumed>) = 1 [pid 5796] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 1 [pid 5794] <... futex resumed>) = 0 [pid 5790] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5791] <... futex resumed>) = 0 [pid 5793] <... futex resumed>) = 1 [pid 5798] close(3 [pid 5797] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5796] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5791] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] exit_group(0 [pid 5787] exit_group(0 [pid 5798] <... close resumed>) = 0 [pid 5795] <... futex resumed>) = ? [pid 5790] <... exit_group resumed>) = ? [pid 5798] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5795] +++ exited with 0 +++ [pid 5794] <... futex resumed>) = 0 [pid 5793] <... futex resumed>) = ? [pid 5791] <... futex resumed>) = 0 [pid 5787] <... exit_group resumed>) = ? [pid 5798] <... futex resumed>) = 0 [pid 5797] <... bpf resumed>) = 4 [pid 5796] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5794] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5793] +++ exited with 0 +++ [pid 5791] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5790] +++ exited with 0 +++ [pid 5787] +++ exited with 0 +++ [pid 5798] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5797] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5797] <... futex resumed>) = 1 [pid 5794] <... futex resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5797] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5794] <... futex resumed>) = 0 [pid 5797] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5798] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5796] <... bpf resumed>) = 5 [pid 5794] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] <... restart_syscall resumed>) = 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5797] <... bpf resumed>) = 5 [pid 5796] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5797] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] <... futex resumed>) = 1 [pid 5791] <... futex resumed>) = 0 [pid 5796] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5791] exit_group(0 [pid 5796] <... futex resumed>) = ? [pid 5791] <... exit_group resumed>) = ? [pid 5798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5797] <... futex resumed>) = 1 [pid 5796] +++ exited with 0 +++ [pid 5794] <... futex resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5798] <... mmap resumed>) = 0x7f7b61773000 [pid 5794] exit_group(0 [pid 5798] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5794] <... exit_group resumed>) = ? [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5797] +++ exited with 0 +++ [pid 5798] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5800 attached ./strace-static-x86_64: Process 5799 attached [pid 5800] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5799] set_robust_list(0x55558a0856a0, 24 [pid 5798] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5800 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5799 [pid 5800] <... prctl resumed>) = 0 [pid 5800] setpgid(0, 0) = 0 [pid 5799] <... set_robust_list resumed>) = 0 [pid 5798] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5800] <... openat resumed>) = 3 [pid 5799] <... prctl resumed>) = 0 [pid 5798] <... clone3 resumed> => {parent_tid=[5801]}, 88) = 5801 ./strace-static-x86_64: Process 5801 attached [pid 5799] setpgid(0, 0 [pid 5801] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5800] write(3, "1000", 4 [pid 5798] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] <... rseq resumed>) = 0 [pid 5800] <... write resumed>) = 4 [pid 5799] <... setpgid resumed>) = 0 [pid 5798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5800] close(3 [pid 5798] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] rt_sigprocmask(SIG_SETMASK, [], [pid 5800] <... close resumed>) = 0 [pid 5799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5798] <... futex resumed>) = 0 [pid 5801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5800] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5800] <... futex resumed>) = 0 [pid 5799] <... openat resumed>) = 3 [pid 5791] +++ exited with 0 +++ [pid 5801] <... bpf resumed>) = 3 [pid 5800] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5799] write(3, "1000", 4 [pid 5794] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5799] <... write resumed>) = 4 [pid 5799] close(3 [pid 5801] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5801] <... futex resumed>) = 1 [pid 5800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5799] <... close resumed>) = 0 [pid 5798] <... futex resumed>) = 0 [pid 5801] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5799] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5802 attached [pid 5801] <... futex resumed>) = 0 [pid 5800] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5799] <... futex resumed>) = 0 [pid 5798] <... futex resumed>) = 1 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5802] set_robust_list(0x55558a0856a0, 24 [pid 5801] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5800] <... mprotect resumed>) = 0 [pid 5799] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5798] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5803 attached [pid 5802] <... set_robust_list resumed>) = 0 [pid 5801] <... bpf resumed>) = 4 [pid 5799] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5802 [pid 5803] set_robust_list(0x55558a0856a0, 24 [pid 5802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5801] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5799] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5802] <... prctl resumed>) = 0 [pid 5801] <... futex resumed>) = 1 [pid 5800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5802] setpgid(0, 0 [pid 5801] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5804 attached [pid 5803] <... set_robust_list resumed>) = 0 [pid 5802] <... setpgid resumed>) = 0 [pid 5799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5798] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5803 [pid 5804] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5800] <... clone3 resumed> => {parent_tid=[5804]}, 88) = 5804 [pid 5804] <... rseq resumed>) = 0 [pid 5803] <... prctl resumed>) = 0 [pid 5802] <... openat resumed>) = 3 [pid 5800] rt_sigprocmask(SIG_SETMASK, [], [pid 5799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5798] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] set_robust_list(0x7f7b617939a0, 24 [pid 5803] setpgid(0, 0 [pid 5802] write(3, "1000", 4 [pid 5801] <... futex resumed>) = 0 [pid 5800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5799] <... mmap resumed>) = 0x7f7b61773000 [pid 5798] <... futex resumed>) = 1 [pid 5804] <... set_robust_list resumed>) = 0 [pid 5803] <... setpgid resumed>) = 0 [pid 5802] <... write resumed>) = 4 [pid 5801] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5800] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5798] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5804] rt_sigprocmask(SIG_SETMASK, [], [pid 5802] close(3 [pid 5800] <... futex resumed>) = 0 [pid 5804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5802] <... close resumed>) = 0 [pid 5801] <... bpf resumed>) = 5 [pid 5800] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5804] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5802] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] <... mprotect resumed>) = 0 [pid 5801] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... bpf resumed>) = 3 [pid 5802] <... futex resumed>) = 0 [pid 5804] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5801] <... futex resumed>) = 1 [pid 5799] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5798] <... futex resumed>) = 0 [pid 5804] <... futex resumed>) = 1 [pid 5803] <... openat resumed>) = 3 [pid 5802] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5801] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5800] <... futex resumed>) = 0 [pid 5804] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] write(3, "1000", 4 [pid 5802] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5800] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] <... write resumed>) = 4 [pid 5802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5799] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5798] exit_group(0 [pid 5804] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5803] close(3 [pid 5802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5800] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5801] <... futex resumed>) = ? [pid 5798] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5805 attached [pid 5804] <... bpf resumed>) = 4 [pid 5803] <... close resumed>) = 0 [pid 5802] <... mmap resumed>) = 0x7f7b61773000 [pid 5801] +++ exited with 0 +++ [pid 5805] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5803] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] <... clone3 resumed> => {parent_tid=[5805]}, 88) = 5805 [pid 5805] <... rseq resumed>) = 0 [pid 5803] <... futex resumed>) = 0 [pid 5799] rt_sigprocmask(SIG_SETMASK, [], [pid 5805] set_robust_list(0x7f7b617939a0, 24 [pid 5804] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5798] +++ exited with 0 +++ [pid 5803] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5805] <... set_robust_list resumed>) = 0 [pid 5804] <... futex resumed>) = 1 [pid 5802] <... mprotect resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5803] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5799] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5804] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5802] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5800] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] <... futex resumed>) = 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5805] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5799] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5802] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5805] <... bpf resumed>) = 3 [pid 5804] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5800] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5805] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... mmap resumed>) = 0x7f7b61773000 [pid 5805] <... futex resumed>) = 1 [pid 5802] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5799] <... futex resumed>) = 0 [pid 5805] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5799] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5806 attached [pid 5805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] <... mprotect resumed>) = 0 [pid 5799] <... futex resumed>) = 0 [pid 5802] <... clone3 resumed> => {parent_tid=[5806]}, 88) = 5806 [pid 5806] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5805] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5803] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5802] rt_sigprocmask(SIG_SETMASK, [], [pid 5799] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5807 attached [pid 5806] set_robust_list(0x7f7b617939a0, 24 [pid 5803] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5806] <... set_robust_list resumed>) = 0 [pid 5802] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] rt_sigprocmask(SIG_SETMASK, [], [pid 5803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5807] set_robust_list(0x55558a0856a0, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5807 [pid 5806] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5807] <... set_robust_list resumed>) = 0 [pid 5802] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5808 attached [pid 5807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5808] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5807] <... prctl resumed>) = 0 [pid 5808] <... rseq resumed>) = 0 [pid 5807] setpgid(0, 0 [pid 5805] <... bpf resumed>) = 4 [pid 5808] set_robust_list(0x7f7b617939a0, 24 [pid 5807] <... setpgid resumed>) = 0 [pid 5808] <... set_robust_list resumed>) = 0 [pid 5807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5807] <... openat resumed>) = 3 [pid 5802] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5808] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] <... bpf resumed>) = 3 [pid 5805] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... clone3 resumed> => {parent_tid=[5808]}, 88) = 5808 [pid 5806] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] <... futex resumed>) = 1 [pid 5803] rt_sigprocmask(SIG_SETMASK, [], [pid 5799] <... futex resumed>) = 0 [pid 5807] write(3, "1000", 4) = 4 [pid 5806] <... futex resumed>) = 1 [pid 5805] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5802] <... futex resumed>) = 0 [pid 5799] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] close(3 [pid 5806] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] <... futex resumed>) = 0 [pid 5808] <... futex resumed>) = 0 [pid 5807] <... close resumed>) = 0 [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] <... futex resumed>) = 1 [pid 5802] <... futex resumed>) = 0 [pid 5799] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5808] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5807] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5803] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5802] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5808] <... bpf resumed>) = 3 [pid 5807] <... futex resumed>) = 0 [pid 5808] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5808] <... futex resumed>) = 0 [pid 5807] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5808] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5807] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5806] <... bpf resumed>) = 4 [pid 5805] <... bpf resumed>) = 5 [pid 5804] <... bpf resumed>) = 5 [pid 5803] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... futex resumed>) = 0 [pid 5807] <... mprotect resumed>) = 0 [pid 5806] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... futex resumed>) = 1 [pid 5808] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5807] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5806] <... futex resumed>) = 1 [pid 5805] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... futex resumed>) = 1 [pid 5803] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5802] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5808] <... bpf resumed>) = 4 [pid 5807] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5806] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] <... futex resumed>) = 1 [pid 5804] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5802] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] exit_group(0 [pid 5799] <... futex resumed>) = 0 [pid 5808] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5805] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5804] <... futex resumed>) = ? [pid 5802] <... futex resumed>) = 0 [pid 5800] <... exit_group resumed>) = ? [pid 5799] exit_group(0 [pid 5808] <... futex resumed>) = 1 [pid 5806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5804] +++ exited with 0 +++ [pid 5803] <... futex resumed>) = 0 [pid 5802] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5808] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] <... clone3 resumed> => {parent_tid=[5809]}, 88) = 5809 [pid 5806] <... bpf resumed>) = 5 [pid 5807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5806] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... futex resumed>) = 0 [pid 5807] <... futex resumed>) = 0 [pid 5806] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5809 attached [pid 5805] <... futex resumed>) = ? [pid 5803] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5800] +++ exited with 0 +++ [pid 5799] <... exit_group resumed>) = ? [pid 5805] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5809] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5808] <... futex resumed>) = 0 [pid 5803] <... futex resumed>) = 1 [pid 5802] exit_group(0 [pid 5799] +++ exited with 0 +++ [pid 5809] <... rseq resumed>) = 0 [pid 5808] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5809] set_robust_list(0x7f7b617939a0, 24 [pid 5808] <... bpf resumed>) = 5 [pid 5803] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5806] <... futex resumed>) = ? [pid 5802] <... exit_group resumed>) = ? [pid 5806] +++ exited with 0 +++ [pid 5809] <... set_robust_list resumed>) = 0 [pid 5808] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5809] rt_sigprocmask(SIG_SETMASK, [], [pid 5808] <... futex resumed>) = 1 [pid 5803] <... futex resumed>) = 0 [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5808] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] exit_group(0 [pid 5809] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5803] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5810 attached [pid 5809] <... bpf resumed>) = 3 [pid 5808] <... futex resumed>) = ? [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5810 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5811 attached [pid 5810] set_robust_list(0x55558a0856a0, 24 [pid 5809] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] set_robust_list(0x55558a0856a0, 24 [pid 5810] <... set_robust_list resumed>) = 0 [pid 5809] <... futex resumed>) = 1 [pid 5807] <... futex resumed>) = 0 [pid 5811] <... set_robust_list resumed>) = 0 [pid 5809] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5811 [pid 5811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] <... futex resumed>) = 0 [pid 5811] <... prctl resumed>) = 0 [pid 5810] <... prctl resumed>) = 0 [pid 5809] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5807] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5811] setpgid(0, 0 [pid 5810] setpgid(0, 0 [pid 5811] <... setpgid resumed>) = 0 [pid 5810] <... setpgid resumed>) = 0 [pid 5809] <... bpf resumed>) = 4 [pid 5811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5811] <... openat resumed>) = 3 [pid 5810] <... openat resumed>) = 3 [pid 5811] write(3, "1000", 4) = 4 [pid 5811] close(3) = 0 [pid 5811] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5811] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5809] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] write(3, "1000", 4 [pid 5811] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5807] <... futex resumed>) = 0 [pid 5810] <... write resumed>) = 4 [pid 5811] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5810] close(3 [pid 5809] <... futex resumed>) = 1 [pid 5807] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5810] <... close resumed>) = 0 [pid 5809] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5807] <... futex resumed>) = 0 [pid 5811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5810] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5811] <... mmap resumed>) = 0x7f7b61773000 [pid 5811] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5810] <... futex resumed>) = 0 [pid 5811] <... mprotect resumed>) = 0 [pid 5810] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5811] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5810] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5811] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5811] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 ./strace-static-x86_64: Process 5812 attached [pid 5811] <... clone3 resumed> => {parent_tid=[5812]}, 88) = 5812 [pid 5812] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5811] rt_sigprocmask(SIG_SETMASK, [], [pid 5810] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5808] +++ exited with 0 +++ [pid 5803] +++ exited with 0 +++ [pid 5802] +++ exited with 0 +++ [pid 5812] <... rseq resumed>) = 0 [pid 5811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5802, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5812] set_robust_list(0x7f7b617939a0, 24 [pid 5811] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... mprotect resumed>) = 0 [pid 5812] <... set_robust_list resumed>) = 0 [pid 5811] <... futex resumed>) = 0 [pid 5810] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5811] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5810] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5812] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5813 attached ./strace-static-x86_64: Process 5814 attached [pid 5813] set_robust_list(0x55558a0856a0, 24 [pid 5812] <... bpf resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5813 [pid 5814] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5812] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... clone3 resumed> => {parent_tid=[5814]}, 88) = 5814 ./strace-static-x86_64: Process 5815 attached [pid 5814] <... rseq resumed>) = 0 [pid 5813] <... set_robust_list resumed>) = 0 [pid 5812] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5810] rt_sigprocmask(SIG_SETMASK, [], [pid 5815] set_robust_list(0x55558a0856a0, 24 [pid 5814] set_robust_list(0x7f7b617939a0, 24 [pid 5813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5812] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5815] <... set_robust_list resumed>) = 0 [pid 5814] <... set_robust_list resumed>) = 0 [pid 5813] <... prctl resumed>) = 0 [pid 5812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5811] <... futex resumed>) = 0 [pid 5810] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5815 [pid 5815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5814] rt_sigprocmask(SIG_SETMASK, [], [pid 5813] setpgid(0, 0 [pid 5812] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5811] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5810] <... futex resumed>) = 0 [pid 5815] <... prctl resumed>) = 0 [pid 5814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5813] <... setpgid resumed>) = 0 [pid 5810] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5815] setpgid(0, 0 [pid 5812] <... bpf resumed>) = 4 [pid 5813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5815] <... setpgid resumed>) = 0 [pid 5814] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5813] <... openat resumed>) = 3 [pid 5812] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5814] <... bpf resumed>) = 3 [pid 5813] write(3, "1000", 4 [pid 5812] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5809] <... bpf resumed>) = 5 [pid 5814] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... write resumed>) = 4 [pid 5812] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] <... openat resumed>) = 3 [pid 5813] close(3 [pid 5811] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = 1 [pid 5807] <... futex resumed>) = 0 [pid 5815] write(3, "1000", 4 [pid 5814] <... futex resumed>) = 1 [pid 5811] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5813] <... close resumed>) = 0 [pid 5810] <... futex resumed>) = 0 [pid 5809] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] exit_group(0 [pid 5815] <... write resumed>) = 4 [pid 5814] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5813] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5810] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... futex resumed>) = ? [pid 5807] <... exit_group resumed>) = ? [pid 5815] close(3 [pid 5814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5813] <... futex resumed>) = 0 [pid 5812] <... bpf resumed>) = 5 [pid 5810] <... futex resumed>) = 0 [pid 5809] +++ exited with 0 +++ [pid 5814] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5813] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5812] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5815] <... close resumed>) = 0 [pid 5814] <... bpf resumed>) = 4 [pid 5813] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5812] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5815] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5812] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] exit_group(0 [pid 5815] <... futex resumed>) = 0 [pid 5814] <... futex resumed>) = 1 [pid 5813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5810] <... futex resumed>) = 0 [pid 5815] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5814] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5812] <... futex resumed>) = ? [pid 5811] <... exit_group resumed>) = ? [pid 5810] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5813] <... mmap resumed>) = 0x7f7b61773000 [pid 5810] <... futex resumed>) = 0 [pid 5815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5814] <... bpf resumed>) = 5 [pid 5813] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5812] +++ exited with 0 +++ [pid 5810] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5807] +++ exited with 0 +++ [pid 5815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5814] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... mprotect resumed>) = 0 [pid 5810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5814] <... futex resumed>) = 0 [pid 5813] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5810] exit_group(0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5815] <... mmap resumed>) = 0x7f7b61773000 [pid 5815] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5813] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5810] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5815] <... mprotect resumed>) = 0 [pid 5813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5816 attached [pid 5815] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5816] set_robust_list(0x55558a0856a0, 24 [pid 5813] <... clone3 resumed> => {parent_tid=[5817]}, 88) = 5817 [pid 5816] <... set_robust_list resumed>) = 0 [pid 5813] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5817 attached [pid 5816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5815] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5816 [pid 5816] <... prctl resumed>) = 0 [pid 5815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5813] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] setpgid(0, 0 [pid 5813] <... futex resumed>) = 0 [pid 5813] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5816] <... setpgid resumed>) = 0 [pid 5815] <... clone3 resumed> => {parent_tid=[5818]}, 88) = 5818 ./strace-static-x86_64: Process 5818 attached [pid 5817] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5815] rt_sigprocmask(SIG_SETMASK, [], [pid 5818] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5817] <... rseq resumed>) = 0 [pid 5818] <... rseq resumed>) = 0 [pid 5817] set_robust_list(0x7f7b617939a0, 24 [pid 5816] <... openat resumed>) = 3 [pid 5815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] set_robust_list(0x7f7b617939a0, 24 [pid 5817] <... set_robust_list resumed>) = 0 [pid 5816] write(3, "1000", 4 [pid 5815] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] <... set_robust_list resumed>) = 0 [pid 5816] <... write resumed>) = 4 [pid 5815] <... futex resumed>) = 0 [pid 5817] rt_sigprocmask(SIG_SETMASK, [], [pid 5818] rt_sigprocmask(SIG_SETMASK, [], [pid 5817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5816] close(3 [pid 5815] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5817] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5818] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5817] <... bpf resumed>) = 3 [pid 5816] <... close resumed>) = 0 [pid 5818] <... bpf resumed>) = 3 [pid 5817] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5813] <... futex resumed>) = 0 [pid 5818] <... futex resumed>) = 1 [pid 5817] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5813] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] <... futex resumed>) = 0 [pid 5818] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5815] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... futex resumed>) = 0 [pid 5818] <... futex resumed>) = 0 [pid 5816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5815] <... futex resumed>) = 1 [pid 5813] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5818] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5815] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... bpf resumed>) = 4 [pid 5816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5816] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5818] <... bpf resumed>) = 4 [pid 5817] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... futex resumed>) = 1 [pid 5816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5813] <... futex resumed>) = 0 [pid 5818] <... futex resumed>) = 1 [pid 5817] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5815] <... futex resumed>) = 0 [pid 5813] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5815] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... futex resumed>) = 0 [pid 5818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5817] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5816] <... clone3 resumed> => {parent_tid=[5819]}, 88) = 5819 [pid 5815] <... futex resumed>) = 0 [pid 5813] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5818] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5816] rt_sigprocmask(SIG_SETMASK, [], [pid 5815] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5816] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5816] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5819 attached [pid 5819] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5819] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5819] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5819] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5819] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] <... futex resumed>) = 0 [pid 5819] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5816] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] <... bpf resumed>) = 4 [pid 5819] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... futex resumed>) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5816] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5816] <... futex resumed>) = 0 [pid 5811] +++ exited with 0 +++ [pid 5819] <... bpf resumed>) = 5 [pid 5816] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5811, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5076] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5816] exit_group(0) = ? ./strace-static-x86_64: Process 5820 attached [pid 5820] set_robust_list(0x55558a0856a0, 24 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5820 [pid 5820] <... set_robust_list resumed>) = 0 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5820] setpgid(0, 0) = 0 [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1000", 4 [pid 5819] +++ exited with 0 +++ [pid 5818] <... bpf resumed>) = 5 [pid 5817] <... bpf resumed>) = 5 [pid 5816] +++ exited with 0 +++ [pid 5814] +++ exited with 0 +++ [pid 5810] +++ exited with 0 +++ [pid 5820] <... write resumed>) = 4 [pid 5818] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5820] close(3 [pid 5818] <... futex resumed>) = 1 [pid 5817] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5820] <... close resumed>) = 0 [pid 5818] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] <... futex resumed>) = 1 [pid 5815] exit_group(0 [pid 5820] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] <... futex resumed>) = ? [pid 5815] <... exit_group resumed>) = ? [pid 5813] <... futex resumed>) = 0 [pid 5820] <... futex resumed>) = 0 [pid 5818] +++ exited with 0 +++ [pid 5817] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5813] exit_group(0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5813] <... exit_group resumed>) = ? [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5821 attached [pid 5820] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5817] <... futex resumed>) = ? ./strace-static-x86_64: Process 5822 attached [pid 5821] set_robust_list(0x55558a0856a0, 24 [pid 5820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5820] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5822] set_robust_list(0x55558a0856a0, 24 [pid 5821] <... set_robust_list resumed>) = 0 [pid 5820] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5821 [pid 5822] <... set_robust_list resumed>) = 0 [pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5822 [pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] <... prctl resumed>) = 0 [pid 5820] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5822] <... prctl resumed>) = 0 [pid 5821] setpgid(0, 0 [pid 5820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5823 attached [pid 5822] setpgid(0, 0 [pid 5821] <... setpgid resumed>) = 0 [pid 5823] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5822] <... setpgid resumed>) = 0 [pid 5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5820] <... clone3 resumed> => {parent_tid=[5823]}, 88) = 5823 [pid 5823] <... rseq resumed>) = 0 [pid 5822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5820] rt_sigprocmask(SIG_SETMASK, [], [pid 5823] set_robust_list(0x7f7b617939a0, 24 [pid 5821] <... openat resumed>) = 3 [pid 5820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] <... set_robust_list resumed>) = 0 [pid 5820] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] <... openat resumed>) = 3 [pid 5821] write(3, "1000", 4 [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] <... write resumed>) = 4 [pid 5820] <... futex resumed>) = 0 [pid 5821] close(3 [pid 5820] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5822] write(3, "1000", 4 [pid 5821] <... close resumed>) = 0 [pid 5821] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... write resumed>) = 4 [pid 5823] <... bpf resumed>) = 3 [pid 5821] <... futex resumed>) = 0 [pid 5823] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] close(3 [pid 5821] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5823] <... futex resumed>) = 1 [pid 5822] <... close resumed>) = 0 [pid 5821] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5820] <... futex resumed>) = 0 [pid 5823] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5822] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] <... futex resumed>) = 0 [pid 5821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5820] <... futex resumed>) = 0 [pid 5823] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5822] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] <... bpf resumed>) = 4 [pid 5821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5822] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5823] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5820] <... futex resumed>) = 0 [pid 5822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5821] <... mmap resumed>) = 0x7f7b61773000 [pid 5823] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5820] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5821] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5820] <... futex resumed>) = 0 [pid 5822] <... mmap resumed>) = 0x7f7b61773000 [pid 5821] <... mprotect resumed>) = 0 [pid 5820] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5822] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5821] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5822] <... mprotect resumed>) = 0 [pid 5815] +++ exited with 0 +++ [pid 5817] +++ exited with 0 +++ [pid 5813] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5821] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5824 attached ./strace-static-x86_64: Process 5825 attached [pid 5825] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5824] set_robust_list(0x55558a0856a0, 24 [pid 5822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5825] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 5827 attached ./strace-static-x86_64: Process 5826 attached [pid 5825] set_robust_list(0x7f7b617939a0, 24 [pid 5824] <... set_robust_list resumed>) = 0 [pid 5821] <... clone3 resumed> => {parent_tid=[5825]}, 88) = 5825 [pid 5827] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5827] <... rseq resumed>) = 0 [pid 5825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5827] set_robust_list(0x7f7b617939a0, 24 [pid 5825] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5827] <... set_robust_list resumed>) = 0 [pid 5826] set_robust_list(0x55558a0856a0, 24 [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5822] <... clone3 resumed> => {parent_tid=[5827]}, 88) = 5827 [pid 5821] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5824 [pid 5827] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] <... set_robust_list resumed>) = 0 [pid 5824] <... prctl resumed>) = 0 [pid 5822] rt_sigprocmask(SIG_SETMASK, [], [pid 5821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5826 [pid 5827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5824] setpgid(0, 0 [pid 5822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] <... prctl resumed>) = 0 [pid 5824] <... setpgid resumed>) = 0 [pid 5822] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] <... futex resumed>) = 1 [pid 5825] <... futex resumed>) = 0 [pid 5827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] setpgid(0, 0 [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5822] <... futex resumed>) = 0 [pid 5821] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5826] <... setpgid resumed>) = 0 [pid 5825] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5824] <... openat resumed>) = 3 [pid 5822] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... bpf resumed>) = 3 [pid 5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... openat resumed>) = 3 [pid 5825] <... bpf resumed>) = 3 [pid 5824] write(3, "1000", 4 [pid 5827] <... futex resumed>) = 1 [pid 5826] write(3, "1000", 4 [pid 5822] <... futex resumed>) = 0 [pid 5827] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] <... write resumed>) = 4 [pid 5826] close(3 [pid 5822] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... close resumed>) = 0 [pid 5824] <... write resumed>) = 4 [pid 5822] <... futex resumed>) = 1 [pid 5827] <... futex resumed>) = 0 [pid 5825] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5826] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] close(3 [pid 5825] <... futex resumed>) = 1 [pid 5822] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5821] <... futex resumed>) = 0 [pid 5826] <... futex resumed>) = 0 [pid 5821] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... bpf resumed>) = 4 [pid 5826] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5825] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5824] <... close resumed>) = 0 [pid 5821] <... futex resumed>) = 0 [pid 5826] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5824] <... futex resumed>) = 0 [pid 5826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5827] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... mmap resumed>) = 0x7f7b61773000 [pid 5825] <... bpf resumed>) = 4 [pid 5824] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5827] <... futex resumed>) = 1 [pid 5822] <... futex resumed>) = 0 [pid 5826] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5822] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... mprotect resumed>) = 0 [pid 5822] <... futex resumed>) = 0 [pid 5826] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5822] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5826] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5825] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5823] <... bpf resumed>) = 5 [pid 5827] <... bpf resumed>) = 5 [pid 5826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5825] <... futex resumed>) = 1 [pid 5824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5828 attached [pid 5824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5823] <... futex resumed>) = 1 [pid 5821] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5824] <... mmap resumed>) = 0x7f7b61773000 [pid 5823] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] <... futex resumed>) = 0 [pid 5820] <... futex resumed>) = 0 [pid 5827] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... clone3 resumed> => {parent_tid=[5828]}, 88) = 5828 [pid 5825] <... bpf resumed>) = 5 [pid 5824] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5821] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5820] exit_group(0 [pid 5827] <... futex resumed>) = 1 [pid 5826] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... futex resumed>) = ? [pid 5822] <... futex resumed>) = 0 [pid 5820] <... exit_group resumed>) = ? [pid 5827] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... futex resumed>) = 1 [pid 5824] <... mprotect resumed>) = 0 [pid 5823] +++ exited with 0 +++ [pid 5822] exit_group(0 [pid 5821] <... futex resumed>) = 0 [pid 5820] +++ exited with 0 +++ [pid 5827] <... futex resumed>) = ? [pid 5826] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5824] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5822] <... exit_group resumed>) = ? [pid 5821] exit_group(0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5828] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5827] +++ exited with 0 +++ [pid 5826] <... futex resumed>) = 0 [pid 5828] <... rseq resumed>) = 0 [pid 5828] set_robust_list(0x7f7b617939a0, 24 [pid 5826] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] <... futex resumed>) = ? [pid 5824] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5821] <... exit_group resumed>) = ? [pid 5828] <... set_robust_list resumed>) = 0 [pid 5828] rt_sigprocmask(SIG_SETMASK, [], [pid 5824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5829 attached ./strace-static-x86_64: Process 5830 attached [pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5824] <... clone3 resumed> => {parent_tid=[5830]}, 88) = 5830 [pid 5830] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5829] set_robust_list(0x55558a0856a0, 24 [pid 5828] <... bpf resumed>) = 3 [pid 5824] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... rseq resumed>) = 0 [pid 5830] set_robust_list(0x7f7b617939a0, 24 [pid 5828] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5829 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5828] <... futex resumed>) = 1 [pid 5826] <... futex resumed>) = 0 [pid 5824] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5826] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... futex resumed>) = 0 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... futex resumed>) = 0 [pid 5824] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5829] <... prctl resumed>) = 0 [pid 5828] <... bpf resumed>) = 4 [pid 5830] <... bpf resumed>) = 3 [pid 5830] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] setpgid(0, 0 [pid 5828] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = 1 [pid 5829] <... setpgid resumed>) = 0 [pid 5828] <... futex resumed>) = 1 [pid 5826] <... futex resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5830] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5826] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] <... openat resumed>) = 3 [pid 5826] <... futex resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5830] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5829] write(3, "1000", 4 [pid 5826] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5824] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] <... bpf resumed>) = 4 [pid 5829] <... write resumed>) = 4 [pid 5830] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] close(3 [pid 5830] <... futex resumed>) = 1 [pid 5829] <... close resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5830] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] <... futex resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5824] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5830] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5829] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5822] +++ exited with 0 +++ [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] +++ exited with 0 +++ [pid 5821] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5829] <... mmap resumed>) = 0x7f7b61773000 [pid 5829] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... mprotect resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5831 attached [pid 5829] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5831 ./strace-static-x86_64: Process 5832 attached [pid 5831] set_robust_list(0x55558a0856a0, 24 [pid 5829] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5832 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5832] set_robust_list(0x55558a0856a0, 24 [pid 5830] <... bpf resumed>) = 5 [pid 5829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5828] <... bpf resumed>) = 5 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... set_robust_list resumed>) = 0 [pid 5830] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5833 attached [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... prctl resumed>) = 0 [pid 5830] <... futex resumed>) = 1 [pid 5829] <... clone3 resumed> => {parent_tid=[5833]}, 88) = 5833 [pid 5828] <... futex resumed>) = 1 [pid 5826] <... futex resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5833] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5832] <... prctl resumed>) = 0 [pid 5831] setpgid(0, 0 [pid 5830] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] exit_group(0 [pid 5833] <... rseq resumed>) = 0 [pid 5832] setpgid(0, 0 [pid 5831] <... setpgid resumed>) = 0 [pid 5829] rt_sigprocmask(SIG_SETMASK, [], [pid 5824] exit_group(0 [pid 5833] set_robust_list(0x7f7b617939a0, 24 [pid 5832] <... setpgid resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... futex resumed>) = ? [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] <... futex resumed>) = ? [pid 5826] <... exit_group resumed>) = ? [pid 5824] <... exit_group resumed>) = ? [pid 5833] <... set_robust_list resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] +++ exited with 0 +++ [pid 5829] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... futex resumed>) = 0 [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] write(3, "1000", 4 [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5831] <... write resumed>) = 4 [pid 5833] <... bpf resumed>) = 3 [pid 5831] close(3 [pid 5833] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... close resumed>) = 0 [pid 5833] <... futex resumed>) = 1 [pid 5831] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... futex resumed>) = 0 [pid 5831] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5831] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5831] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5834 attached [pid 5834] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5831] <... clone3 resumed> => {parent_tid=[5834]}, 88) = 5834 [pid 5834] <... rseq resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... futex resumed>) = 0 [pid 5834] set_robust_list(0x7f7b617939a0, 24 [pid 5832] write(3, "1000", 4 [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] <... futex resumed>) = 0 [pid 5832] <... write resumed>) = 4 [pid 5831] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... futex resumed>) = 1 [pid 5834] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5832] close(3 [pid 5831] <... futex resumed>) = 0 [pid 5834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... bpf resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5831] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] +++ exited with 0 +++ [pid 5826] +++ exited with 0 +++ [pid 5824] +++ exited with 0 +++ [pid 5834] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5833] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5834] <... bpf resumed>) = 3 [pid 5833] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5834] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] <... futex resumed>) = 1 [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5831] <... futex resumed>) = 0 [pid 5829] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5832] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5835 attached [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] <... futex resumed>) = 0 [pid 5829] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5835] set_robust_list(0x55558a0856a0, 24 [pid 5834] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... set_robust_list resumed>) = 0 [pid 5832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5835 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... mmap resumed>) = 0x7f7b61773000 [pid 5832] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... mprotect resumed>) = 0 [pid 5832] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5836 attached [pid 5836] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5832] <... clone3 resumed> => {parent_tid=[5836]}, 88) = 5836 [pid 5836] set_robust_list(0x7f7b617939a0, 24 [pid 5832] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] <... set_robust_list resumed>) = 0 [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5837 attached [pid 5836] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5835] <... prctl resumed>) = 0 [pid 5834] <... bpf resumed>) = 4 [pid 5832] <... futex resumed>) = 0 [pid 5837] set_robust_list(0x55558a0856a0, 24 [pid 5836] <... bpf resumed>) = 3 [pid 5835] setpgid(0, 0 [pid 5834] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5837 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... setpgid resumed>) = 0 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... futex resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] <... futex resumed>) = 0 [pid 5837] <... prctl resumed>) = 0 [pid 5836] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] <... openat resumed>) = 3 [pid 5834] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] setpgid(0, 0 [pid 5835] write(3, "1000", 4 [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] <... futex resumed>) = 0 [pid 5837] <... setpgid resumed>) = 0 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... write resumed>) = 4 [pid 5834] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5832] <... futex resumed>) = 0 [pid 5831] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5835] close(3 [pid 5832] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5837] write(3, "1000", 4 [pid 5835] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... write resumed>) = 4 [pid 5836] <... bpf resumed>) = 4 [pid 5835] <... futex resumed>) = 0 [pid 5837] close(3 [pid 5835] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5837] <... close resumed>) = 0 [pid 5835] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... futex resumed>) = 0 [pid 5836] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5834] <... bpf resumed>) = 5 [pid 5833] <... bpf resumed>) = 5 [pid 5834] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] <... futex resumed>) = 1 [pid 5835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5834] <... futex resumed>) = 1 [pid 5833] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... futex resumed>) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] <... mmap resumed>) = 0x7f7b61773000 [pid 5834] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... futex resumed>) = 1 [pid 5832] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] exit_group(0 [pid 5829] <... futex resumed>) = 0 [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5833] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] <... futex resumed>) = ? [pid 5832] <... futex resumed>) = 0 [pid 5831] <... exit_group resumed>) = ? [pid 5829] exit_group(0 [pid 5837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5835] <... mprotect resumed>) = 0 [pid 5834] +++ exited with 0 +++ [pid 5833] <... futex resumed>) = ? [pid 5832] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5831] +++ exited with 0 +++ [pid 5829] <... exit_group resumed>) = ? [pid 5837] <... mmap resumed>) = 0x7f7b61773000 [pid 5836] <... bpf resumed>) = 5 [pid 5835] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5833] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5837] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5836] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5837] <... mprotect resumed>) = 0 [pid 5836] <... futex resumed>) = 1 [pid 5835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5832] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5838 attached [pid 5837] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] exit_group(0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5837] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5838] <... rseq resumed>) = 0 [pid 5837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5835] <... clone3 resumed> => {parent_tid=[5838]}, 88) = 5838 ./strace-static-x86_64: Process 5839 attached [pid 5838] set_robust_list(0x7f7b617939a0, 24 [pid 5836] <... futex resumed>) = ? [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... exit_group resumed>) = ? [pid 5839] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... rseq resumed>) = 0 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] set_robust_list(0x7f7b617939a0, 24 [pid 5838] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5840 attached [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] <... clone3 resumed> => {parent_tid=[5839]}, 88) = 5839 [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] set_robust_list(0x55558a0856a0, 24 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... set_robust_list resumed>) = 0 [pid 5839] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5840 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... futex resumed>) = 0 [pid 5837] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = 1 [pid 5840] <... prctl resumed>) = 0 [pid 5839] <... futex resumed>) = 0 [pid 5838] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5837] <... futex resumed>) = 1 [pid 5835] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] setpgid(0, 0 [pid 5839] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5837] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... setpgid resumed>) = 0 [pid 5838] <... bpf resumed>) = 3 [pid 5839] <... bpf resumed>) = 3 [pid 5839] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5838] <... futex resumed>) = 1 [pid 5837] <... futex resumed>) = 0 [pid 5835] <... futex resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5837] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] write(3, "1000", 4 [pid 5836] +++ exited with 0 +++ [pid 5835] <... futex resumed>) = 0 [pid 5832] +++ exited with 0 +++ [pid 5829] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5835] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... write resumed>) = 4 [pid 5840] close(3) = 0 [pid 5839] <... bpf resumed>) = 4 [pid 5838] <... bpf resumed>) = 4 [pid 5840] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5837] <... futex resumed>) = 0 [pid 5839] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] <... futex resumed>) = 0 [pid 5839] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5837] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5838] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] <... futex resumed>) = 0 [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = 0 [pid 5835] <... futex resumed>) = 1 [pid 5835] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5838] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 5842 attached [pid 5840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5841 [pid 5840] <... mmap resumed>) = 0x7f7b61773000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5842 [pid 5840] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5841 attached [pid 5842] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5841] set_robust_list(0x55558a0856a0, 24 [pid 5840] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... set_robust_list resumed>) = 0 [pid 5842] <... prctl resumed>) = 0 [pid 5840] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] setpgid(0, 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5842] <... setpgid resumed>) = 0 [pid 5841] <... prctl resumed>) = 0 [pid 5841] setpgid(0, 0) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5843 attached [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... bpf resumed>) = 5 [pid 5838] <... bpf resumed>) = 5 [pid 5843] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5842] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [pid 5840] <... clone3 resumed> => {parent_tid=[5843]}, 88) = 5843 [pid 5839] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... rseq resumed>) = 0 [pid 5839] <... futex resumed>) = 1 [pid 5837] <... futex resumed>) = 0 [pid 5843] set_robust_list(0x7f7b617939a0, 24 [pid 5841] write(3, "1000", 4 [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] exit_group(0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] write(3, "1000", 4 [pid 5841] <... write resumed>) = 4 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... futex resumed>) = ? [pid 5837] <... exit_group resumed>) = ? [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] <... write resumed>) = 4 [pid 5841] close(3 [pid 5840] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] +++ exited with 0 +++ [pid 5838] <... futex resumed>) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] close(3 [pid 5841] <... close resumed>) = 0 [pid 5840] <... futex resumed>) = 0 [pid 5838] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] exit_group(0 [pid 5843] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] <... close resumed>) = 0 [pid 5841] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] <... futex resumed>) = ? [pid 5835] <... exit_group resumed>) = ? [pid 5842] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] +++ exited with 0 +++ [pid 5842] <... futex resumed>) = 0 [pid 5843] <... bpf resumed>) = 3 [pid 5842] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5841] <... futex resumed>) = 0 [pid 5843] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5843] <... futex resumed>) = 1 [pid 5841] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5840] <... futex resumed>) = 0 [pid 5843] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5840] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] <... futex resumed>) = 0 [pid 5843] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5843] <... bpf resumed>) = 4 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5841] <... mmap resumed>) = 0x7f7b61773000 [pid 5843] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5841] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5843] <... futex resumed>) = 1 [pid 5842] <... mprotect resumed>) = 0 [pid 5841] <... mprotect resumed>) = 0 [pid 5840] <... futex resumed>) = 0 [pid 5843] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5841] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5841] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... futex resumed>) = 0 [pid 5840] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5842] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5845 attached ./strace-static-x86_64: Process 5844 attached [pid 5842] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5844] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5842] <... futex resumed>) = 0 [pid 5841] <... clone3 resumed> => {parent_tid=[5845]}, 88) = 5845 [pid 5845] <... rseq resumed>) = 0 [pid 5844] <... rseq resumed>) = 0 [pid 5842] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] set_robust_list(0x7f7b617939a0, 24 [pid 5844] set_robust_list(0x7f7b617939a0, 24 [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5841] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] <... futex resumed>) = 0 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5837] +++ exited with 0 +++ [pid 5845] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5845] <... bpf resumed>) = 3 [pid 5844] <... bpf resumed>) = 3 [pid 5845] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = 1 [pid 5841] <... futex resumed>) = 0 [pid 5845] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5841] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5844] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5842] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... futex resumed>) = 0 [pid 5835] +++ exited with 0 +++ ./strace-static-x86_64: Process 5846 attached [pid 5845] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5842] <... futex resumed>) = 0 [pid 5844] <... bpf resumed>) = 4 [pid 5846] set_robust_list(0x55558a0856a0, 24 [pid 5842] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] <... set_robust_list resumed>) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... bpf resumed>) = 4 [pid 5844] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5846 [pid 5846] <... prctl resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] setpgid(0, 0 [pid 5845] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... setpgid resumed>) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... futex resumed>) = 1 [pid 5841] <... futex resumed>) = 0 [pid 5845] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5841] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... openat resumed>) = 3 [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5841] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5847 attached [pid 5846] write(3, "1000", 4 [pid 5845] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5841] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5847] set_robust_list(0x55558a0856a0, 24 [pid 5846] <... write resumed>) = 4 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5847 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] close(3 [pid 5847] <... prctl resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5847] setpgid(0, 0 [pid 5846] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... setpgid resumed>) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5847] <... openat resumed>) = 3 [pid 5846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5847] write(3, "1000", 4 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] <... write resumed>) = 4 [pid 5847] close(3) = 0 [pid 5847] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5847] <... futex resumed>) = 0 [pid 5846] <... mmap resumed>) = 0x7f7b61773000 [pid 5847] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5846] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5847] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5846] <... mprotect resumed>) = 0 [pid 5847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5846] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5847] <... mmap resumed>) = 0x7f7b61773000 [pid 5846] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5847] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5848 attached [pid 5847] <... mprotect resumed>) = 0 [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5846] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848 [pid 5843] <... bpf resumed>) = 5 [pid 5847] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... bpf resumed>) = 5 [pid 5848] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5848] <... rseq resumed>) = 0 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... bpf resumed>) = 5 [pid 5843] <... futex resumed>) = 1 [pid 5840] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5849 attached [pid 5848] set_robust_list(0x7f7b617939a0, 24 [pid 5846] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = 1 [pid 5844] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] <... futex resumed>) = 0 [pid 5840] exit_group(0 [pid 5849] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5845] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5841] exit_group(0 [pid 5849] <... rseq resumed>) = 0 [pid 5848] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] <... clone3 resumed> => {parent_tid=[5849]}, 88) = 5849 [pid 5846] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = ? [pid 5844] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] <... futex resumed>) = ? [pid 5842] exit_group(0 [pid 5841] <... exit_group resumed>) = ? [pid 5840] <... exit_group resumed>) = ? [pid 5849] set_robust_list(0x7f7b617939a0, 24 [pid 5848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5846] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] +++ exited with 0 +++ [pid 5844] <... futex resumed>) = ? [pid 5843] +++ exited with 0 +++ [pid 5842] <... exit_group resumed>) = ? [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] +++ exited with 0 +++ [pid 5841] +++ exited with 0 +++ [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5847] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5848] <... bpf resumed>) = 3 [pid 5849] <... bpf resumed>) = 3 [pid 5848] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5849] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5849] <... futex resumed>) = 1 [pid 5848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5847] <... futex resumed>) = 0 [pid 5846] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... futex resumed>) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5846] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5850 attached [pid 5850] set_robust_list(0x55558a0856a0, 24 [pid 5849] <... bpf resumed>) = 4 [pid 5848] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5848] <... futex resumed>) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5850] <... prctl resumed>) = 0 [pid 5848] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... futex resumed>) = 0 [pid 5850] setpgid(0, 0 [pid 5848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5846] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5848] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5850] <... setpgid resumed>) = 0 [pid 5849] <... futex resumed>) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5849] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5850 [pid 5849] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5847] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] +++ exited with 0 +++ [pid 5840] +++ exited with 0 +++ [pid 5850] <... openat resumed>) = 3 [pid 5850] write(3, "1000", 4 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5850] <... write resumed>) = 4 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5851 attached [pid 5850] close(3 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5850] <... close resumed>) = 0 [pid 5850] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] set_robust_list(0x55558a0856a0, 24 [pid 5850] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, ./strace-static-x86_64: Process 5852 attached [pid 5851] <... set_robust_list resumed>) = 0 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] set_robust_list(0x55558a0856a0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5851 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5850] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5851] <... prctl resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5852 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] setpgid(0, 0 [pid 5850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5852] <... prctl resumed>) = 0 [pid 5851] <... setpgid resumed>) = 0 [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5850] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5852] <... openat resumed>) = 3 [pid 5851] <... openat resumed>) = 3 [pid 5850] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5849] <... bpf resumed>) = 5 [pid 5848] <... bpf resumed>) = 5 [pid 5852] write(3, "1000", 4 [pid 5851] write(3, "1000", 4 [pid 5850] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5848] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... write resumed>) = 4 [pid 5851] <... write resumed>) = 4 [pid 5850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5849] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 1 [pid 5846] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5853 attached [pid 5852] close(3 [pid 5851] close(3 [pid 5849] <... futex resumed>) = 1 [pid 5848] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] <... futex resumed>) = 0 [pid 5846] exit_group(0 [pid 5853] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5852] <... close resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5850] <... clone3 resumed> => {parent_tid=[5853]}, 88) = 5853 [pid 5849] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] <... futex resumed>) = ? [pid 5847] exit_group(0 [pid 5846] <... exit_group resumed>) = ? [pid 5853] <... rseq resumed>) = 0 [pid 5852] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], [pid 5849] <... futex resumed>) = ? [pid 5848] +++ exited with 0 +++ [pid 5847] <... exit_group resumed>) = ? [pid 5853] set_robust_list(0x7f7b617939a0, 24 [pid 5852] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5851] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5850] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5851] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5850] <... futex resumed>) = 0 [pid 5852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5850] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5852] <... mmap resumed>) = 0x7f7b61773000 [pid 5851] <... mmap resumed>) = 0x7f7b61773000 [pid 5851] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5853] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5849] +++ exited with 0 +++ [pid 5847] +++ exited with 0 +++ [pid 5846] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5851] <... mprotect resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5854 attached [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5854 [pid 5854] set_robust_list(0x55558a0856a0, 24 [pid 5853] <... bpf resumed>) = 3 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5854] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5855 attached [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... openat resumed>) = 3 [pid 5853] <... futex resumed>) = 1 [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5850] <... futex resumed>) = 0 [pid 5851] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5855 [pid 5855] set_robust_list(0x55558a0856a0, 24 [pid 5853] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5850] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5851] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5850] <... futex resumed>) = 0 [pid 5853] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5850] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5856 attached [pid 5854] write(3, "1000", 4 [pid 5856] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5854] <... write resumed>) = 4 [pid 5852] <... clone3 resumed> => {parent_tid=[5856]}, 88) = 5856 ./strace-static-x86_64: Process 5857 attached [pid 5856] <... rseq resumed>) = 0 [pid 5854] close(3 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5856] set_robust_list(0x7f7b617939a0, 24 [pid 5855] <... prctl resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] <... clone3 resumed> => {parent_tid=[5857]}, 88) = 5857 [pid 5857] <... rseq resumed>) = 0 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] setpgid(0, 0 [pid 5854] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] set_robust_list(0x7f7b617939a0, 24 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... setpgid resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5853] <... bpf resumed>) = 4 [pid 5852] <... futex resumed>) = 0 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5853] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5854] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5850] <... futex resumed>) = 0 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... bpf resumed>) = 3 [pid 5855] <... openat resumed>) = 3 [pid 5854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5853] <... futex resumed>) = 1 [pid 5851] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5856] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] write(3, "1000", 4 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5850] <... futex resumed>) = 0 [pid 5857] <... bpf resumed>) = 3 [pid 5856] <... futex resumed>) = 1 [pid 5855] <... write resumed>) = 4 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5852] <... futex resumed>) = 0 [pid 5850] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5857] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] close(3 [pid 5854] <... mmap resumed>) = 0x7f7b61773000 [pid 5853] <... bpf resumed>) = 5 [pid 5857] <... futex resumed>) = 1 [pid 5856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... close resumed>) = 0 [pid 5854] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5853] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = 0 [pid 5857] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5855] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... mprotect resumed>) = 0 [pid 5853] <... futex resumed>) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5851] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = 0 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... futex resumed>) = 0 [pid 5853] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... futex resumed>) = 0 [pid 5850] exit_group(0 [pid 5857] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5855] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5853] <... futex resumed>) = ? [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5851] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] <... exit_group resumed>) = ? [pid 5857] <... bpf resumed>) = 4 [pid 5856] <... bpf resumed>) = 4 [pid 5855] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5853] +++ exited with 0 +++ [pid 5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5857] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5850] +++ exited with 0 +++ ./strace-static-x86_64: Process 5858 attached [pid 5857] <... futex resumed>) = 1 [pid 5856] <... futex resumed>) = 1 [pid 5855] <... mprotect resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5858] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5857] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5854] <... clone3 resumed> => {parent_tid=[5858]}, 88) = 5858 [pid 5852] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... rseq resumed>) = 0 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] <... futex resumed>) = 0 [pid 5858] set_robust_list(0x7f7b617939a0, 24 [pid 5857] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5856] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5851] <... futex resumed>) = 0 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5854] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5859 attached [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] <... futex resumed>) = 0 [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5855] <... clone3 resumed> => {parent_tid=[5859]}, 88) = 5859 [pid 5854] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... rseq resumed>) = 0 [pid 5858] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] set_robust_list(0x7f7b617939a0, 24 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5855] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... bpf resumed>) = 3 [pid 5858] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5858] <... futex resumed>) = 1 [pid 5854] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5854] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5860 attached [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... bpf resumed>) = 4 [pid 5854] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5860] set_robust_list(0x55558a0856a0, 24 [pid 5858] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5860 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] <... bpf resumed>) = 3 [pid 5858] <... futex resumed>) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... bpf resumed>) = 5 [pid 5854] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 1 [pid 5859] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5857] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... bpf resumed>) = 5 [pid 5855] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5860] <... prctl resumed>) = 0 [pid 5858] <... bpf resumed>) = 5 [pid 5857] <... futex resumed>) = 1 [pid 5856] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5851] <... futex resumed>) = 0 [pid 5860] setpgid(0, 0 [pid 5859] <... futex resumed>) = 0 [pid 5858] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 1 [pid 5854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5851] exit_group(0 [pid 5859] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5857] <... futex resumed>) = ? [pid 5856] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] exit_group(0 [pid 5851] <... exit_group resumed>) = ? [pid 5860] <... setpgid resumed>) = 0 [pid 5859] <... bpf resumed>) = 4 [pid 5858] <... futex resumed>) = 0 [pid 5857] +++ exited with 0 +++ [pid 5854] exit_group(0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = ? [pid 5854] <... exit_group resumed>) = ? [pid 5852] <... exit_group resumed>) = ? [pid 5860] <... openat resumed>) = 3 [pid 5859] <... futex resumed>) = 1 [pid 5858] +++ exited with 0 +++ [pid 5855] <... futex resumed>) = 0 [pid 5851] +++ exited with 0 +++ [pid 5860] write(3, "1000", 4 [pid 5859] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5860] <... write resumed>) = 4 [pid 5859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... futex resumed>) = 0 [pid 5860] close(3 [pid 5859] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5855] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5860] <... close resumed>) = 0 [pid 5860] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5860] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5856] +++ exited with 0 +++ [pid 5854] +++ exited with 0 +++ [pid 5852] +++ exited with 0 +++ [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] <... mprotect resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5861 attached ./strace-static-x86_64: Process 5862 attached => {parent_tid=[5862]}, 88) = 5862 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5860] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5861] set_robust_list(0x55558a0856a0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5861 [pid 5862] <... rseq resumed>) = 0 [pid 5862] set_robust_list(0x7f7b617939a0, 24 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5862] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5863 attached ) = 3 [pid 5861] <... prctl resumed>) = 0 [pid 5862] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5864 attached [pid 5863] set_robust_list(0x55558a0856a0, 24 [pid 5862] <... futex resumed>) = 1 [pid 5861] setpgid(0, 0 [pid 5860] <... futex resumed>) = 0 [pid 5859] <... bpf resumed>) = 5 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5863 [pid 5864] set_robust_list(0x55558a0856a0, 24 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] <... setpgid resumed>) = 0 [pid 5860] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5860] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5864 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] exit_group(0 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5863] <... prctl resumed>) = 0 [pid 5862] <... bpf resumed>) = 4 [pid 5861] <... openat resumed>) = 3 [pid 5859] <... futex resumed>) = ? [pid 5855] <... exit_group resumed>) = ? [pid 5864] <... prctl resumed>) = 0 [pid 5863] setpgid(0, 0 [pid 5864] setpgid(0, 0 [pid 5863] <... setpgid resumed>) = 0 [pid 5862] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] +++ exited with 0 +++ [pid 5864] <... setpgid resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5861] write(3, "1000", 4 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] <... openat resumed>) = 3 [pid 5861] <... write resumed>) = 4 [pid 5864] <... openat resumed>) = 3 [pid 5855] +++ exited with 0 +++ [pid 5861] close(3 [pid 5864] write(3, "1000", 4 [pid 5861] <... close resumed>) = 0 [pid 5864] <... write resumed>) = 4 [pid 5863] write(3, "1000", 4 [pid 5861] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] close(3 [pid 5863] <... write resumed>) = 4 [pid 5862] <... futex resumed>) = 1 [pid 5861] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 5863] close(3 [pid 5862] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5860] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... close resumed>) = 0 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5861] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5864] <... futex resumed>) = 0 [pid 5863] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5860] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5864] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5863] <... futex resumed>) = 0 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5864] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5861] <... mmap resumed>) = 0x7f7b61773000 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5864] <... mmap resumed>) = 0x7f7b61773000 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] <... mprotect resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... mmap resumed>) = 0x7f7b61773000 [pid 5863] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5866 attached ./strace-static-x86_64: Process 5865 attached [pid 5864] <... mprotect resumed>) = 0 [pid 5863] <... clone3 resumed> => {parent_tid=[5865]}, 88) = 5865 ./strace-static-x86_64: Process 5867 attached [pid 5866] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5865] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] set_robust_list(0x55558a0856a0, 24 [pid 5866] <... rseq resumed>) = 0 [pid 5865] <... rseq resumed>) = 0 [pid 5864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] <... bpf resumed>) = 5 [pid 5861] <... clone3 resumed> => {parent_tid=[5866]}, 88) = 5866 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5867 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] set_robust_list(0x7f7b617939a0, 24 [pid 5865] set_robust_list(0x7f7b617939a0, 24 [pid 5864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5863] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... set_robust_list resumed>) = 0 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 1 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5868 attached [pid 5867] <... prctl resumed>) = 0 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] exit_group(0 [pid 5868] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5867] setpgid(0, 0 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] <... futex resumed>) = ? [pid 5861] <... futex resumed>) = 0 [pid 5860] <... exit_group resumed>) = ? [pid 5868] <... rseq resumed>) = 0 [pid 5867] <... setpgid resumed>) = 0 [pid 5866] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5865] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5862] +++ exited with 0 +++ [pid 5861] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] set_robust_list(0x7f7b617939a0, 24 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... bpf resumed>) = 3 [pid 5865] <... bpf resumed>) = 3 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5866] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... clone3 resumed> => {parent_tid=[5868]}, 88) = 5868 [pid 5860] +++ exited with 0 +++ [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] write(3, "1000", 4 [pid 5866] <... futex resumed>) = 1 [pid 5865] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... futex resumed>) = 0 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... write resumed>) = 4 [pid 5866] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = 1 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5861] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] close(3 [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... futex resumed>) = 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... close resumed>) = 0 [pid 5866] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... futex resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5861] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... restart_syscall resumed>) = 0 [pid 5868] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5863] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... bpf resumed>) = 3 [pid 5866] <... bpf resumed>) = 4 [pid 5865] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5864] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... futex resumed>) = 0 [pid 5866] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5866] <... futex resumed>) = 1 [pid 5867] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5861] <... futex resumed>) = 0 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5861] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5867] <... mmap resumed>) = 0x7f7b61773000 [pid 5867] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5868] <... futex resumed>) = 0 [pid 5866] <... bpf resumed>) = 5 [pid 5865] <... bpf resumed>) = 4 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... mprotect resumed>) = 0 [pid 5866] <... futex resumed>) = 1 [pid 5865] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5861] exit_group(0 [pid 5868] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5864] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... bpf resumed>) = 4 [pid 5866] <... futex resumed>) = ? [pid 5863] <... futex resumed>) = 0 [pid 5861] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5869 attached [pid 5867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5865] <... bpf resumed>) = 5 [pid 5863] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5869] set_robust_list(0x55558a0856a0, 24 [pid 5867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5870 attached [pid 5869] <... set_robust_list resumed>) = 0 [pid 5868] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... clone3 resumed> => {parent_tid=[5870]}, 88) = 5870 [pid 5865] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5869 [pid 5870] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... futex resumed>) = 1 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5870] <... rseq resumed>) = 0 [pid 5869] <... prctl resumed>) = 0 [pid 5868] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] set_robust_list(0x7f7b617939a0, 24 [pid 5869] setpgid(0, 0 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = 0 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5869] <... setpgid resumed>) = 0 [pid 5868] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5867] <... futex resumed>) = 0 [pid 5864] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5863] exit_group(0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... futex resumed>) = ? [pid 5863] <... exit_group resumed>) = ? [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] +++ exited with 0 +++ [pid 5870] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5869] <... openat resumed>) = 3 [pid 5870] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] write(3, "1000", 4 [pid 5870] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5866] +++ exited with 0 +++ [pid 5861] +++ exited with 0 +++ [pid 5870] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... futex resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5870] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5867] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... restart_syscall resumed>) = 0 [pid 5869] <... write resumed>) = 4 [pid 5868] <... bpf resumed>) = 5 [pid 5870] <... bpf resumed>) = 4 [pid 5869] close(3 [pid 5868] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... close resumed>) = 0 [pid 5868] <... futex resumed>) = 1 [pid 5870] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] <... futex resumed>) = 1 [pid 5869] <... futex resumed>) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5869] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5869] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5869] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5871 attached [pid 5870] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] exit_group(0 [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5868] <... futex resumed>) = ? [pid 5864] <... exit_group resumed>) = ? [pid 5869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5868] +++ exited with 0 +++ ./strace-static-x86_64: Process 5872 attached [pid 5872] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5869] <... clone3 resumed> => {parent_tid=[5872]}, 88) = 5872 [pid 5872] <... rseq resumed>) = 0 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] set_robust_list(0x7f7b617939a0, 24 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] <... set_robust_list resumed>) = 0 [pid 5869] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] <... futex resumed>) = 0 [pid 5871] set_robust_list(0x55558a0856a0, 24 [pid 5867] <... futex resumed>) = 0 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5863] +++ exited with 0 +++ [pid 5872] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5869] <... futex resumed>) = 0 [pid 5864] +++ exited with 0 +++ [pid 5872] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5869] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5869] <... futex resumed>) = 0 [pid 5867] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5871 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] <... bpf resumed>) = 4 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] <... prctl resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] setpgid(0, 0 [pid 5869] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] <... futex resumed>) = 0 [pid 5872] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5871] <... setpgid resumed>) = 0 [pid 5869] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5873 attached ) = 3 [pid 5873] set_robust_list(0x55558a0856a0, 24 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5873 [pid 5871] write(3, "1000", 4) = 4 [pid 5871] close(3 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... close resumed>) = 0 ./strace-static-x86_64: Process 5874 attached [pid 5873] <... prctl resumed>) = 0 [pid 5871] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5874 [pid 5873] setpgid(0, 0 [pid 5874] set_robust_list(0x55558a0856a0, 24 [pid 5873] <... setpgid resumed>) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5870] <... bpf resumed>) = 5 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] <... bpf resumed>) = 5 [pid 5871] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5870] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] <... openat resumed>) = 3 [pid 5872] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5874] <... prctl resumed>) = 0 [pid 5873] write(3, "1000", 4 [pid 5871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5870] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5874] setpgid(0, 0 [pid 5873] <... write resumed>) = 4 [pid 5872] <... futex resumed>) = 1 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5869] <... futex resumed>) = 0 [pid 5867] exit_group(0 [pid 5874] <... setpgid resumed>) = 0 [pid 5873] close(3 [pid 5872] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] <... futex resumed>) = ? [pid 5869] exit_group(0 [pid 5867] <... exit_group resumed>) = ? [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] +++ exited with 0 +++ [pid 5874] <... openat resumed>) = 3 [pid 5872] <... futex resumed>) = ? [pid 5869] <... exit_group resumed>) = ? [pid 5874] write(3, "1000", 4 [pid 5873] <... close resumed>) = 0 [pid 5872] +++ exited with 0 +++ [pid 5871] <... mmap resumed>) = 0x7f7b61773000 [pid 5873] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... write resumed>) = 4 [pid 5871] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5873] <... futex resumed>) = 0 [pid 5874] close(3) = 0 [pid 5873] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5874] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5871] <... mprotect resumed>) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5874] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] +++ exited with 0 +++ [pid 5874] <... mmap resumed>) = 0x7f7b61773000 [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5874] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5869] +++ exited with 0 +++ [pid 5873] <... mmap resumed>) = 0x7f7b61773000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5073] <... restart_syscall resumed>) = 0 [pid 5874] <... mprotect resumed>) = 0 [pid 5874] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5875 attached [], 8) = 0 [pid 5873] <... mprotect resumed>) = 0 [pid 5875] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5876 attached [pid 5875] <... rseq resumed>) = 0 [pid 5873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5871] <... clone3 resumed> => {parent_tid=[5875]}, 88) = 5875 [pid 5876] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5875] set_robust_list(0x7f7b617939a0, 24 [pid 5874] <... clone3 resumed> => {parent_tid=[5876]}, 88) = 5876 [pid 5873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] <... rseq resumed>) = 0 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] set_robust_list(0x7f7b617939a0, 24 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... futex resumed>) = 0 [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5877 attached [pid 5876] <... bpf resumed>) = 3 [pid 5877] set_robust_list(0x55558a0856a0, 24 [pid 5876] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... prctl resumed>) = 0 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... futex resumed>) = 0 [pid 5877] setpgid(0, 0 [pid 5876] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5874] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5879 attached ./strace-static-x86_64: Process 5878 attached [pid 5877] <... setpgid resumed>) = 0 [pid 5871] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5877 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5878 [pid 5879] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5876] <... bpf resumed>) = 4 [pid 5875] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 1 [pid 5878] set_robust_list(0x55558a0856a0, 24 [pid 5879] <... rseq resumed>) = 0 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5873] <... clone3 resumed> => {parent_tid=[5879]}, 88) = 5879 [pid 5871] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] set_robust_list(0x7f7b617939a0, 24 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5877] <... openat resumed>) = 3 [pid 5876] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5879] <... set_robust_list resumed>) = 0 [pid 5875] <... bpf resumed>) = 3 [pid 5874] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = 0 [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] <... futex resumed>) = 1 [pid 5874] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5871] <... futex resumed>) = 0 [pid 5879] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... prctl resumed>) = 0 [pid 5877] write(3, "1000", 4 [pid 5876] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5878] setpgid(0, 0 [pid 5877] <... write resumed>) = 4 [pid 5875] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5873] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] <... futex resumed>) = 0 [pid 5878] <... setpgid resumed>) = 0 [pid 5877] close(3 [pid 5873] <... futex resumed>) = 1 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] <... close resumed>) = 0 [pid 5873] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] <... openat resumed>) = 3 [pid 5877] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... bpf resumed>) = 4 [pid 5879] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5878] write(3, "1000", 4 [pid 5877] <... futex resumed>) = 0 [pid 5878] <... write resumed>) = 4 [pid 5877] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5878] close(3 [pid 5877] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5878] <... close resumed>) = 0 [pid 5877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5878] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5878] <... futex resumed>) = 0 [pid 5877] <... mmap resumed>) = 0x7f7b61773000 [pid 5879] <... bpf resumed>) = 3 [pid 5878] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5877] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5875] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5877] <... mprotect resumed>) = 0 [pid 5875] <... futex resumed>) = 1 [pid 5879] <... futex resumed>) = 1 [pid 5878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5875] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] <... futex resumed>) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5879] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5873] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] <... bpf resumed>) = 5 [pid 5873] <... futex resumed>) = 0 [pid 5871] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5876] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... futex resumed>) = 0 [pid 5873] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] <... futex resumed>) = 1 [pid 5878] <... mmap resumed>) = 0x7f7b61773000 [pid 5877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5876] <... futex resumed>) = 1 [pid 5879] <... bpf resumed>) = 4 [pid 5878] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5875] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5874] <... futex resumed>) = 0 [pid 5871] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5880 attached [pid 5878] <... mprotect resumed>) = 0 [pid 5877] <... clone3 resumed> => {parent_tid=[5880]}, 88) = 5880 [pid 5876] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5879] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] <... bpf resumed>) = 5 [pid 5874] exit_group(0 [pid 5880] <... rseq resumed>) = 0 [pid 5879] <... futex resumed>) = 1 [pid 5878] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] <... futex resumed>) = ? [pid 5874] <... exit_group resumed>) = ? [pid 5873] <... futex resumed>) = 0 [pid 5880] set_robust_list(0x7f7b617939a0, 24 [pid 5878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5877] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] +++ exited with 0 +++ [pid 5873] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5881 attached [pid 5880] <... set_robust_list resumed>) = 0 [pid 5879] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5877] <... futex resumed>) = 0 [pid 5875] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... futex resumed>) = 0 [pid 5881] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5878] <... clone3 resumed> => {parent_tid=[5881]}, 88) = 5881 [pid 5877] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... rseq resumed>) = 0 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] set_robust_list(0x7f7b617939a0, 24 [pid 5880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5879] <... bpf resumed>) = 5 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] <... futex resumed>) = 1 [pid 5873] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5871] <... futex resumed>) = 0 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5880] <... bpf resumed>) = 3 [pid 5878] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5880] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = 0 [pid 5875] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] exit_group(0 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] <... futex resumed>) = 1 [pid 5879] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... futex resumed>) = 0 [pid 5875] <... futex resumed>) = ? [pid 5871] <... exit_group resumed>) = ? [pid 5881] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5880] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] <... futex resumed>) = 1 [pid 5877] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] +++ exited with 0 +++ [pid 5873] <... futex resumed>) = 0 [pid 5881] <... bpf resumed>) = 3 [pid 5880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] <... futex resumed>) = 0 [pid 5873] exit_group(0 [pid 5881] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5877] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5874] +++ exited with 0 +++ [pid 5873] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5881] <... futex resumed>) = 1 [pid 5880] <... bpf resumed>) = 4 [pid 5878] <... futex resumed>) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5881] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... futex resumed>) = 0 [pid 5878] <... futex resumed>) = 1 [pid 5881] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5880] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... bpf resumed>) = 4 [pid 5880] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5877] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5877] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5881] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5878] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5881] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5881] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5878] <... futex resumed>) = 0 [pid 5878] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5882 attached [pid 5881] <... bpf resumed>) = 5 [pid 5879] +++ exited with 0 +++ [pid 5873] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5882 [pid 5882] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5881] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... prctl resumed>) = 0 [pid 5881] <... futex resumed>) = 1 [pid 5878] <... futex resumed>) = 0 [pid 5882] setpgid(0, 0 [pid 5881] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] exit_group(0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5882] <... setpgid resumed>) = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5881] <... futex resumed>) = ? [pid 5878] <... exit_group resumed>) = ? [pid 5882] <... openat resumed>) = 3 [pid 5882] write(3, "1000", 4./strace-static-x86_64: Process 5883 attached [pid 5883] set_robust_list(0x55558a0856a0, 24 [pid 5882] <... write resumed>) = 4 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5883 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] close(3 [pid 5883] <... prctl resumed>) = 0 [pid 5882] <... close resumed>) = 0 [pid 5883] setpgid(0, 0) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5882] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5883] <... openat resumed>) = 3 [pid 5882] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5883] write(3, "1000", 4 [pid 5882] <... mprotect resumed>) = 0 [pid 5880] <... bpf resumed>) = 5 [pid 5871] +++ exited with 0 +++ [pid 5882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5883] <... write resumed>) = 4 [pid 5880] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5880] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5883] close(3 [pid 5882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5880] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] exit_group(0 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5883] <... close resumed>) = 0 [pid 5880] <... futex resumed>) = ? [pid 5877] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5884 attached [pid 5883] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... clone3 resumed> => {parent_tid=[5884]}, 88) = 5884 [pid 5883] <... futex resumed>) = 0 [pid 5884] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] <... rseq resumed>) = 0 [pid 5883] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5884] set_robust_list(0x7f7b617939a0, 24 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5884] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5885 attached [pid 5883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5882] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] set_robust_list(0x55558a0856a0, 24 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] <... bpf resumed>) = 3 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5884] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5885 [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5884] <... futex resumed>) = 1 [pid 5882] <... futex resumed>) = 0 [pid 5882] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5883] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5882] <... futex resumed>) = 0 [pid 5885] <... prctl resumed>) = 0 [pid 5883] <... mprotect resumed>) = 0 [pid 5882] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] setpgid(0, 0) = 0 [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5884] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5886 attached [pid 5885] <... openat resumed>) = 3 [pid 5884] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5882] <... futex resumed>) = 0 [pid 5886] <... rseq resumed>) = 0 [pid 5885] write(3, "1000", 4 [pid 5884] <... futex resumed>) = 1 [pid 5883] <... clone3 resumed> => {parent_tid=[5886]}, 88) = 5886 [pid 5882] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] set_robust_list(0x7f7b617939a0, 24 [pid 5885] <... write resumed>) = 4 [pid 5884] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] <... futex resumed>) = 0 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5885] close(3 [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5885] <... close resumed>) = 0 [pid 5882] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] <... futex resumed>) = 0 [pid 5883] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5886] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5885] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5883] <... futex resumed>) = 0 [pid 5886] <... bpf resumed>) = 3 [pid 5881] +++ exited with 0 +++ [pid 5878] +++ exited with 0 +++ [pid 5886] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5883] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] +++ exited with 0 +++ [pid 5877] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5886] <... futex resumed>) = 0 [pid 5885] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5886] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] <... futex resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5886] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5885] <... mmap resumed>) = 0x7f7b61773000 [pid 5883] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5886] <... bpf resumed>) = 4 [pid 5885] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5886] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... mprotect resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5887 attached [pid 5886] <... futex resumed>) = 1 [pid 5885] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5883] <... futex resumed>) = 0 [pid 5887] set_robust_list(0x55558a0856a0, 24 [pid 5886] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5883] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5887 ./strace-static-x86_64: Process 5888 attached [pid 5887] <... set_robust_list resumed>) = 0 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5883] <... futex resumed>) = 0 [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] set_robust_list(0x55558a0856a0, 24 [pid 5887] <... prctl resumed>) = 0 [pid 5886] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5883] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5888 ./strace-static-x86_64: Process 5889 attached [pid 5888] <... set_robust_list resumed>) = 0 [pid 5887] setpgid(0, 0 [pid 5889] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5887] <... setpgid resumed>) = 0 [pid 5885] <... clone3 resumed> => {parent_tid=[5889]}, 88) = 5889 [pid 5889] <... rseq resumed>) = 0 [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5889] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5888] <... prctl resumed>) = 0 [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] setpgid(0, 0 [pid 5887] <... openat resumed>) = 3 [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] <... bpf resumed>) = 5 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5887] write(3, "1000", 4) = 4 [pid 5885] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] close(3) = 0 [pid 5889] <... futex resumed>) = 0 [pid 5888] <... setpgid resumed>) = 0 [pid 5885] <... futex resumed>) = 1 [pid 5884] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... bpf resumed>) = 5 [pid 5889] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5887] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5885] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5884] <... futex resumed>) = 1 [pid 5882] <... futex resumed>) = 0 [pid 5886] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] exit_group(0 [pid 5886] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = ? [pid 5883] <... futex resumed>) = 0 [pid 5886] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] <... exit_group resumed>) = ? [pid 5884] +++ exited with 0 +++ [pid 5889] <... bpf resumed>) = 3 [pid 5887] <... futex resumed>) = 0 [pid 5883] exit_group(0 [pid 5889] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5889] <... futex resumed>) = 1 [pid 5888] <... openat resumed>) = 3 [pid 5887] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5886] <... futex resumed>) = ? [pid 5885] <... futex resumed>) = 0 [pid 5883] <... exit_group resumed>) = ? [pid 5889] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5885] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] +++ exited with 0 +++ [pid 5885] <... futex resumed>) = 0 [pid 5889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5885] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... bpf resumed>) = 4 [pid 5887] <... mmap resumed>) = 0x7f7b61773000 [pid 5887] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5887] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5889] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5889] <... futex resumed>) = 1 [pid 5887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5885] <... futex resumed>) = 0 [pid 5889] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] write(3, "1000", 4 [pid 5885] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] <... write resumed>) = 4 [pid 5885] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5890 attached [pid 5889] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5888] close(3) = 0 [pid 5890] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5888] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5890] set_robust_list(0x7f7b617939a0, 24 [pid 5887] <... clone3 resumed> => {parent_tid=[5890]}, 88) = 5890 [pid 5890] <... set_robust_list resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5887] rt_sigprocmask(SIG_SETMASK, [], [pid 5890] rt_sigprocmask(SIG_SETMASK, [], [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5887] <... futex resumed>) = 0 [pid 5890] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5888] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5887] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... bpf resumed>) = 3 [pid 5888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5890] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5890] <... futex resumed>) = 1 [pid 5887] <... futex resumed>) = 0 [pid 5890] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] <... mmap resumed>) = 0x7f7b61773000 [pid 5887] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5887] <... futex resumed>) = 0 [pid 5890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5887] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] <... mprotect resumed>) = 0 [pid 5888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5891 attached [pid 5890] <... bpf resumed>) = 4 [pid 5888] <... clone3 resumed> => {parent_tid=[5891]}, 88) = 5891 [pid 5883] +++ exited with 0 +++ [pid 5882] +++ exited with 0 +++ [pid 5888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5888] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5888] <... futex resumed>) = 0 [pid 5888] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... restart_syscall resumed>) = 0 [pid 5891] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5890] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5891] <... rseq resumed>) = 0 [pid 5890] <... futex resumed>) = 1 [pid 5887] <... futex resumed>) = 0 [pid 5887] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5887] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5892 attached [pid 5891] set_robust_list(0x7f7b617939a0, 24 [pid 5890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 5893 attached [pid 5892] set_robust_list(0x55558a0856a0, 24 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5892 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5893] set_robust_list(0x55558a0856a0, 24 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5893 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5891] <... bpf resumed>) = 3 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5891] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... prctl resumed>) = 0 [pid 5893] <... prctl resumed>) = 0 [pid 5892] setpgid(0, 0 [pid 5891] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5892] <... setpgid resumed>) = 0 [pid 5891] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] setpgid(0, 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] <... futex resumed>) = 0 [pid 5893] <... setpgid resumed>) = 0 [pid 5891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5892] <... openat resumed>) = 3 [pid 5888] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] write(3, "1000", 4) = 4 [pid 5892] close(3) = 0 [pid 5892] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... openat resumed>) = 3 [pid 5891] <... bpf resumed>) = 4 [pid 5890] <... bpf resumed>) = 5 [pid 5889] <... bpf resumed>) = 5 [pid 5893] write(3, "1000", 4 [pid 5891] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... write resumed>) = 4 [pid 5890] <... futex resumed>) = 1 [pid 5892] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = 1 [pid 5893] close(3 [pid 5889] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... futex resumed>) = 0 [pid 5887] <... futex resumed>) = 0 [pid 5890] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... close resumed>) = 0 [pid 5892] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5889] <... futex resumed>) = 1 [pid 5888] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] exit_group(0 [pid 5885] <... futex resumed>) = 0 [pid 5893] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5891] <... bpf resumed>) = 5 [pid 5890] <... futex resumed>) = ? [pid 5889] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] <... futex resumed>) = 0 [pid 5887] <... exit_group resumed>) = ? [pid 5885] exit_group(0 [pid 5893] <... futex resumed>) = 0 [pid 5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5891] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... futex resumed>) = ? [pid 5888] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5885] <... exit_group resumed>) = ? [pid 5893] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] <... futex resumed>) = 0 [pid 5890] +++ exited with 0 +++ [pid 5889] +++ exited with 0 +++ [pid 5887] +++ exited with 0 +++ [pid 5888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5891] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] <... mmap resumed>) = 0x7f7b61773000 [pid 5888] exit_group(0 [pid 5893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5892] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5891] <... futex resumed>) = ? [pid 5888] <... exit_group resumed>) = ? [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] <... mprotect resumed>) = 0 [pid 5891] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5893] <... mmap resumed>) = 0x7f7b61773000 [pid 5892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5893] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5894 attached [pid 5894] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5892] <... clone3 resumed> => {parent_tid=[5894]}, 88) = 5894 [pid 5894] <... rseq resumed>) = 0 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] set_robust_list(0x7f7b617939a0, 24 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5892] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] <... futex resumed>) = 0 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] <... mprotect resumed>) = 0 [pid 5892] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] +++ exited with 0 +++ [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5894] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5894] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5895 attached [pid 5894] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5894] <... futex resumed>) = 1 [pid 5892] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5895] set_robust_list(0x55558a0856a0, 24 [pid 5894] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5892] <... futex resumed>) = 0 [pid 5888] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5895 [pid 5894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5897 attached [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5894] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5893] <... clone3 resumed> => {parent_tid=[5897]}, 88) = 5897 ./strace-static-x86_64: Process 5896 attached [pid 5895] <... prctl resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5896] set_robust_list(0x55558a0856a0, 24 [pid 5897] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5896] <... set_robust_list resumed>) = 0 [pid 5895] setpgid(0, 0 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5896 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5897] <... rseq resumed>) = 0 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5895] <... setpgid resumed>) = 0 [pid 5894] <... bpf resumed>) = 4 [pid 5893] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] set_robust_list(0x7f7b617939a0, 24 [pid 5894] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... futex resumed>) = 0 [pid 5897] <... set_robust_list resumed>) = 0 [pid 5894] <... futex resumed>) = 1 [pid 5892] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5896] <... prctl resumed>) = 0 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5894] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5898 attached [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] setpgid(0, 0 [pid 5895] <... openat resumed>) = 3 [pid 5896] <... setpgid resumed>) = 0 [pid 5895] write(3, "1000", 4 [pid 5898] set_robust_list(0x55558a0856a0, 24 [pid 5897] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] <... write resumed>) = 4 [pid 5894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] <... futex resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5898 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5897] <... bpf resumed>) = 3 [pid 5896] <... openat resumed>) = 3 [pid 5895] close(3 [pid 5894] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5892] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5896] write(3, "1000", 4 [pid 5895] <... close resumed>) = 0 [pid 5898] <... prctl resumed>) = 0 [pid 5897] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... write resumed>) = 4 [pid 5895] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] setpgid(0, 0 [pid 5897] <... futex resumed>) = 1 [pid 5896] close(3 [pid 5895] <... futex resumed>) = 0 [pid 5893] <... futex resumed>) = 0 [pid 5898] <... setpgid resumed>) = 0 [pid 5897] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] <... close resumed>) = 0 [pid 5895] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5893] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5896] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... futex resumed>) = 0 [pid 5897] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5896] <... futex resumed>) = 0 [pid 5895] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5893] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] <... openat resumed>) = 3 [pid 5896] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5896] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... mmap resumed>) = 0x7f7b61773000 [pid 5896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] write(3, "1000", 4 [pid 5896] <... mmap resumed>) = 0x7f7b61773000 [pid 5895] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5894] <... bpf resumed>) = 5 [pid 5896] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5898] <... write resumed>) = 4 [pid 5895] <... mprotect resumed>) = 0 [pid 5894] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... mprotect resumed>) = 0 [pid 5897] <... bpf resumed>) = 4 [pid 5898] close(3 [pid 5897] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5895] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5894] <... futex resumed>) = 1 [pid 5892] <... futex resumed>) = 0 [pid 5898] <... close resumed>) = 0 [pid 5897] <... futex resumed>) = 1 [pid 5894] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = 0 [pid 5892] exit_group(0 [pid 5898] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5895] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5894] <... futex resumed>) = ? [pid 5892] <... exit_group resumed>) = ? [pid 5898] <... futex resumed>) = 0 [pid 5896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5894] +++ exited with 0 +++ [pid 5893] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5899 attached ./strace-static-x86_64: Process 5900 attached ) = 0x7f7b61773000 [pid 5900] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5899] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5900] <... rseq resumed>) = 0 [pid 5899] <... rseq resumed>) = 0 [pid 5900] set_robust_list(0x7f7b617939a0, 24 [pid 5899] set_robust_list(0x7f7b617939a0, 24 [pid 5898] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5900] <... set_robust_list resumed>) = 0 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5896] <... clone3 resumed> => {parent_tid=[5900]}, 88) = 5900 [pid 5895] <... clone3 resumed> => {parent_tid=[5899]}, 88) = 5899 [pid 5893] <... futex resumed>) = 1 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5899] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] <... mprotect resumed>) = 0 [pid 5897] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5892] +++ exited with 0 +++ [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5900] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5899] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5896] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5900] <... bpf resumed>) = 3 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5895] <... futex resumed>) = 0 [pid 5900] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5895] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... futex resumed>) = 1 [pid 5896] <... futex resumed>) = 0 [pid 5900] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] <... bpf resumed>) = 3 [pid 5898] <... clone3 resumed> => {parent_tid=[5901]}, 88) = 5901 [pid 5899] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5899] <... futex resumed>) = 1 [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5899] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] <... futex resumed>) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5898] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5901 attached [pid 5899] <... bpf resumed>) = 4 [pid 5896] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5896] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5902 attached [pid 5901] <... rseq resumed>) = 0 [pid 5896] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5902 [pid 5902] set_robust_list(0x55558a0856a0, 24 [pid 5901] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5902] <... prctl resumed>) = 0 [pid 5901] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5899] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] setpgid(0, 0 [pid 5901] <... bpf resumed>) = 3 [pid 5900] <... bpf resumed>) = 4 [pid 5902] <... setpgid resumed>) = 0 [pid 5901] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = 1 [pid 5895] <... futex resumed>) = 0 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5901] <... futex resumed>) = 1 [pid 5899] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] <... futex resumed>) = 0 [pid 5902] <... openat resumed>) = 3 [pid 5901] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] <... futex resumed>) = 1 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... bpf resumed>) = 5 [pid 5896] <... futex resumed>) = 0 [pid 5895] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] <... futex resumed>) = 0 [pid 5896] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] write(3, "1000", 4 [pid 5901] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5898] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... futex resumed>) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5902] <... write resumed>) = 4 [pid 5901] <... bpf resumed>) = 4 [pid 5900] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5899] <... bpf resumed>) = 5 [pid 5897] <... futex resumed>) = 1 [pid 5896] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5895] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5893] <... futex resumed>) = 0 [pid 5902] close(3 [pid 5901] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... bpf resumed>) = 5 [pid 5899] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] exit_group(0 [pid 5902] <... close resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5899] <... futex resumed>) = 1 [pid 5898] <... futex resumed>) = 0 [pid 5902] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... futex resumed>) = ? [pid 5895] <... futex resumed>) = 0 [pid 5893] <... exit_group resumed>) = ? [pid 5902] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] <... futex resumed>) = 1 [pid 5898] <... futex resumed>) = 0 [pid 5897] +++ exited with 0 +++ [pid 5896] <... futex resumed>) = 0 [pid 5902] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5901] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5900] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5896] exit_group(0 [pid 5895] exit_group(0 [pid 5902] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5901] <... bpf resumed>) = 5 [pid 5900] <... futex resumed>) = ? [pid 5899] <... futex resumed>) = ? [pid 5896] <... exit_group resumed>) = ? [pid 5895] <... exit_group resumed>) = ? [pid 5902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5901] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] +++ exited with 0 +++ [pid 5899] +++ exited with 0 +++ [pid 5896] +++ exited with 0 +++ [pid 5893] +++ exited with 0 +++ [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5901] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] <... mmap resumed>) = 0x7f7b61773000 [pid 5902] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5898] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5898] exit_group(0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5902] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5901] <... futex resumed>) = ? [pid 5898] <... exit_group resumed>) = ? [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5901] +++ exited with 0 +++ [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5902] <... clone3 resumed> => {parent_tid=[5903]}, 88) = 5903 ./strace-static-x86_64: Process 5905 attached ./strace-static-x86_64: Process 5904 attached ./strace-static-x86_64: Process 5903 attached [pid 5898] +++ exited with 0 +++ [pid 5895] +++ exited with 0 +++ [pid 5905] set_robust_list(0x55558a0856a0, 24 [pid 5904] set_robust_list(0x55558a0856a0, 24 [pid 5903] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5904 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5905 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5905] <... set_robust_list resumed>) = 0 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5903] <... rseq resumed>) = 0 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5903] set_robust_list(0x7f7b617939a0, 24 [pid 5902] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... prctl resumed>) = 0 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5903] <... set_robust_list resumed>) = 0 [pid 5902] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5905] setpgid(0, 0 [pid 5904] <... prctl resumed>) = 0 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5906 attached [pid 5905] <... setpgid resumed>) = 0 [pid 5904] setpgid(0, 0 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] set_robust_list(0x55558a0856a0, 24 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5907 attached [pid 5906] <... set_robust_list resumed>) = 0 [pid 5905] <... openat resumed>) = 3 [pid 5904] <... setpgid resumed>) = 0 [pid 5903] <... bpf resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5906 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5903] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] set_robust_list(0x55558a0856a0, 24 [pid 5906] <... prctl resumed>) = 0 [pid 5905] write(3, "1000", 4 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5907 [pid 5907] <... set_robust_list resumed>) = 0 [pid 5906] setpgid(0, 0 [pid 5905] <... write resumed>) = 4 [pid 5903] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5906] <... setpgid resumed>) = 0 [pid 5905] close(3 [pid 5904] <... openat resumed>) = 3 [pid 5902] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5905] <... close resumed>) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5902] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... prctl resumed>) = 0 [pid 5906] <... openat resumed>) = 3 [pid 5905] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] write(3, "1000", 4 [pid 5903] <... bpf resumed>) = 4 [pid 5907] setpgid(0, 0 [pid 5906] write(3, "1000", 4 [pid 5905] <... futex resumed>) = 0 [pid 5904] <... write resumed>) = 4 [pid 5907] <... setpgid resumed>) = 0 [pid 5906] <... write resumed>) = 4 [pid 5905] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] close(3) = 0 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5904] close(3 [pid 5903] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... mmap resumed>) = 0x7f7b61773000 [pid 5903] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = 0 [pid 5905] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5903] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5905] <... mprotect resumed>) = 0 [pid 5904] <... close resumed>) = 0 [pid 5903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] <... futex resumed>) = 0 [pid 5907] <... openat resumed>) = 3 [pid 5906] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5904] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5902] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5907] write(3, "1000", 4 [pid 5906] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5904] <... futex resumed>) = 0 [pid 5907] <... write resumed>) = 4 [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5904] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5907] close(3 [pid 5906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5903] <... bpf resumed>) = 5 [pid 5904] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5908 attached [pid 5907] <... close resumed>) = 0 [pid 5906] <... mmap resumed>) = 0x7f7b61773000 [pid 5904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5908] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5907] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5903] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] <... rseq resumed>) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5906] <... mprotect resumed>) = 0 [pid 5905] <... clone3 resumed> => {parent_tid=[5908]}, 88) = 5908 [pid 5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5903] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5908] set_robust_list(0x7f7b617939a0, 24 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5903] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] exit_group(0 [pid 5907] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5908] <... set_robust_list resumed>) = 0 [pid 5907] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5906] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] <... mmap resumed>) = 0x7f7b61773000 [pid 5903] <... futex resumed>) = ? [pid 5902] <... exit_group resumed>) = ? [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5906] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5905] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5903] +++ exited with 0 +++ [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5905] <... futex resumed>) = 0 [pid 5904] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5909 attached [pid 5908] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5905] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5902] +++ exited with 0 +++ [pid 5909] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5907] <... mmap resumed>) = 0x7f7b61773000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5909] <... rseq resumed>) = 0 [pid 5908] <... bpf resumed>) = 3 [pid 5907] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5906] <... clone3 resumed> => {parent_tid=[5909]}, 88) = 5909 [pid 5904] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5909] set_robust_list(0x7f7b617939a0, 24 [pid 5908] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... mprotect resumed>) = 0 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5074] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5910 attached [pid 5909] <... set_robust_list resumed>) = 0 [pid 5908] <... futex resumed>) = 1 [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5910] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5908] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5906] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... clone3 resumed> => {parent_tid=[5910]}, 88) = 5910 [pid 5910] <... rseq resumed>) = 0 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5906] <... futex resumed>) = 0 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] set_robust_list(0x7f7b617939a0, 24 [pid 5909] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5908] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5906] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] <... futex resumed>) = 0 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5911 attached [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] <... bpf resumed>) = 3 [pid 5905] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5908] <... bpf resumed>) = 4 [pid 5907] <... clone3 resumed> => {parent_tid=[5911]}, 88) = 5911 [pid 5911] <... rseq resumed>) = 0 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5911] set_robust_list(0x7f7b617939a0, 24 [pid 5910] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5908] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5912 attached [pid 5911] <... set_robust_list resumed>) = 0 [pid 5909] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] <... futex resumed>) = 0 [pid 5912] set_robust_list(0x55558a0856a0, 24 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] <... bpf resumed>) = 3 [pid 5909] <... futex resumed>) = 1 [pid 5908] <... futex resumed>) = 1 [pid 5907] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... futex resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5904] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5905] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5907] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] <... futex resumed>) = 0 [pid 5911] <... bpf resumed>) = 3 [pid 5905] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5911] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 1 [pid 5907] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5907] <... futex resumed>) = 0 [pid 5911] <... bpf resumed>) = 4 [pid 5907] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5906] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5910] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5906] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5912 [pid 5910] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... prctl resumed>) = 0 [pid 5911] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5908] <... bpf resumed>) = 5 [pid 5906] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... futex resumed>) = 0 [pid 5912] setpgid(0, 0 [pid 5911] <... futex resumed>) = 1 [pid 5910] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5908] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... futex resumed>) = 0 [pid 5904] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5908] <... futex resumed>) = 1 [pid 5907] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 0 [pid 5908] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] <... futex resumed>) = 0 [pid 5905] exit_group(0 [pid 5907] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5908] <... futex resumed>) = ? [pid 5905] <... exit_group resumed>) = ? [pid 5910] <... bpf resumed>) = 4 [pid 5908] +++ exited with 0 +++ [pid 5912] <... setpgid resumed>) = 0 [pid 5911] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5910] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... bpf resumed>) = 4 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5911] <... bpf resumed>) = 5 [pid 5904] <... futex resumed>) = 0 [pid 5912] <... openat resumed>) = 3 [pid 5910] <... futex resumed>) = 1 [pid 5909] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] write(3, "1000", 4 [pid 5911] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5909] <... futex resumed>) = 1 [pid 5906] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 0 [pid 5912] <... write resumed>) = 4 [pid 5911] <... futex resumed>) = 1 [pid 5909] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] <... futex resumed>) = 0 [pid 5906] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5912] close(3 [pid 5911] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] exit_group(0 [pid 5906] <... futex resumed>) = 0 [pid 5912] <... close resumed>) = 0 [pid 5909] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5907] <... exit_group resumed>) = ? [pid 5906] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5911] <... futex resumed>) = ? [pid 5912] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5912] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5912] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5905] +++ exited with 0 +++ [pid 5910] <... bpf resumed>) = 5 [pid 5909] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5913 attached [pid 5911] +++ exited with 0 +++ [pid 5907] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5913] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5912] <... clone3 resumed> => {parent_tid=[5913]}, 88) = 5913 [pid 5913] <... rseq resumed>) = 0 [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], [pid 5912] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5912] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5910] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 1 [pid 5909] <... futex resumed>) = 1 [pid 5906] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 0 [pid 5910] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5906] exit_group(0 [pid 5904] exit_group(0 [pid 5913] <... bpf resumed>) = 3 [pid 5910] <... futex resumed>) = ? [pid 5909] <... futex resumed>) = ? [pid 5906] <... exit_group resumed>) = ? [pid 5904] <... exit_group resumed>) = ? [pid 5913] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] +++ exited with 0 +++ [pid 5909] +++ exited with 0 +++ [pid 5913] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5913] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 0 [pid 5912] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5914 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5914 attached [pid 5914] set_robust_list(0x55558a0856a0, 24) = 0 ./strace-static-x86_64: Process 5915 attached [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5915] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5914] <... prctl resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5915 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5914] setpgid(0, 0 [pid 5915] <... prctl resumed>) = 0 [pid 5914] <... setpgid resumed>) = 0 [pid 5915] setpgid(0, 0 [pid 5913] <... bpf resumed>) = 4 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5915] <... setpgid resumed>) = 0 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5914] <... openat resumed>) = 3 [pid 5915] <... openat resumed>) = 3 [pid 5914] write(3, "1000", 4 [pid 5915] write(3, "1000", 4) = 4 [pid 5915] close(3) = 0 [pid 5914] <... write resumed>) = 4 [pid 5915] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5915] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5914] close(3 [pid 5913] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5914] <... close resumed>) = 0 [pid 5913] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5915] <... mmap resumed>) = 0x7f7b61773000 [pid 5914] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 0 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 0 [pid 5915] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5914] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5913] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5915] <... mprotect resumed>) = 0 [pid 5912] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5914] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5906] +++ exited with 0 +++ [pid 5904] +++ exited with 0 +++ [pid 5915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5914] <... mmap resumed>) = 0x7f7b61773000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5916 attached [pid 5914] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5916] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5915] <... clone3 resumed> => {parent_tid=[5916]}, 88) = 5916 [pid 5914] <... mprotect resumed>) = 0 [pid 5916] <... rseq resumed>) = 0 [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5916] set_robust_list(0x7f7b617939a0, 24 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5916] <... set_robust_list resumed>) = 0 [pid 5915] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] <... futex resumed>) = 0 [pid 5914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5919 attached ./strace-static-x86_64: Process 5918 attached ./strace-static-x86_64: Process 5917 attached [pid 5916] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5917 [pid 5919] set_robust_list(0x55558a0856a0, 24 [pid 5918] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5917] set_robust_list(0x55558a0856a0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5919 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] <... rseq resumed>) = 0 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] set_robust_list(0x7f7b617939a0, 24 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5916] <... bpf resumed>) = 3 [pid 5914] <... clone3 resumed> => {parent_tid=[5918]}, 88) = 5918 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5916] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] <... futex resumed>) = 1 [pid 5915] <... futex resumed>) = 0 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] <... prctl resumed>) = 0 [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5917] <... prctl resumed>) = 0 [pid 5916] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5915] <... futex resumed>) = 0 [pid 5914] <... futex resumed>) = 0 [pid 5919] setpgid(0, 0 [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] setpgid(0, 0 [pid 5915] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... bpf resumed>) = 5 [pid 5919] <... setpgid resumed>) = 0 [pid 5918] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5917] <... setpgid resumed>) = 0 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5918] <... bpf resumed>) = 3 [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5916] <... bpf resumed>) = 4 [pid 5914] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... openat resumed>) = 3 [pid 5918] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... openat resumed>) = 3 [pid 5916] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5919] write(3, "1000", 4 [pid 5918] <... futex resumed>) = 0 [pid 5917] write(3, "1000", 4 [pid 5916] <... futex resumed>) = 1 [pid 5915] <... futex resumed>) = 0 [pid 5913] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] exit_group(0 [pid 5914] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... write resumed>) = 4 [pid 5918] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5917] <... write resumed>) = 4 [pid 5916] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 0 [pid 5913] <... futex resumed>) = ? [pid 5912] <... exit_group resumed>) = ? [pid 5919] close(3 [pid 5918] <... bpf resumed>) = 4 [pid 5917] close(3 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5915] <... futex resumed>) = 0 [pid 5913] +++ exited with 0 +++ [pid 5919] <... close resumed>) = 0 [pid 5918] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... close resumed>) = 0 [pid 5916] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5915] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5914] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = 0 [pid 5917] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... bpf resumed>) = 5 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] <... futex resumed>) = 0 [pid 5918] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] <... futex resumed>) = 0 [pid 5916] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5916] <... futex resumed>) = 1 [pid 5915] <... futex resumed>) = 0 [pid 5914] <... futex resumed>) = 0 [pid 5919] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5918] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5917] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5916] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] exit_group(0 [pid 5914] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5915] <... exit_group resumed>) = ? [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] <... futex resumed>) = ? [pid 5919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5919] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5917] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5919] <... mprotect resumed>) = 0 [pid 5917] <... mprotect resumed>) = 0 [pid 5919] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5917] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5919] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5918] <... bpf resumed>) = 5 [pid 5917] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5912] +++ exited with 0 +++ [pid 5919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5918] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5920 attached [pid 5918] <... futex resumed>) = 1 [pid 5914] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5921 attached [pid 5920] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5919] <... clone3 resumed> => {parent_tid=[5920]}, 88) = 5920 [pid 5918] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] <... clone3 resumed> => {parent_tid=[5921]}, 88) = 5921 [pid 5914] exit_group(0 [pid 5921] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5920] <... rseq resumed>) = 0 [pid 5919] rt_sigprocmask(SIG_SETMASK, [], [pid 5917] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5921] <... rseq resumed>) = 0 [pid 5920] set_robust_list(0x7f7b617939a0, 24 [pid 5918] <... futex resumed>) = ? [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] <... exit_group resumed>) = ? [pid 5921] set_robust_list(0x7f7b617939a0, 24 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5919] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] +++ exited with 0 +++ [pid 5917] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5919] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... set_robust_list resumed>) = 0 [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5921] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5922 attached [pid 5921] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5920] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5922] set_robust_list(0x55558a0856a0, 24 [pid 5921] <... bpf resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5922 [pid 5920] <... bpf resumed>) = 3 [pid 5921] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... set_robust_list resumed>) = 0 [pid 5920] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = 1 [pid 5917] <... futex resumed>) = 0 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5921] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] <... futex resumed>) = 1 [pid 5919] <... futex resumed>) = 0 [pid 5920] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... prctl resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5919] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = 1 [pid 5922] setpgid(0, 0 [pid 5921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5920] <... futex resumed>) = 0 [pid 5919] <... futex resumed>) = 1 [pid 5917] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... setpgid resumed>) = 0 [pid 5919] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5921] <... bpf resumed>) = 4 [pid 5920] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5922] <... openat resumed>) = 3 [pid 5921] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] write(3, "1000", 4) = 4 [pid 5922] close(3) = 0 [pid 5922] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = 1 [pid 5920] <... bpf resumed>) = 4 [pid 5917] <... futex resumed>) = 0 [pid 5916] +++ exited with 0 +++ [pid 5915] +++ exited with 0 +++ [pid 5914] +++ exited with 0 +++ [pid 5922] <... futex resumed>) = 0 [pid 5921] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5920] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5922] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5920] <... futex resumed>) = 1 [pid 5919] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5922] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5920] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] <... futex resumed>) = 0 [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5920] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5919] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5922] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5922] <... mprotect resumed>) = 0 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5924 attached [pid 5924] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5923 attached [pid 5922] <... clone3 resumed> => {parent_tid=[5924]}, 88) = 5924 [pid 5924] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 5925 attached [pid 5924] set_robust_list(0x7f7b617939a0, 24 [pid 5923] set_robust_list(0x55558a0856a0, 24 [pid 5922] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5923 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5925 [pid 5925] set_robust_list(0x55558a0856a0, 24 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] <... set_robust_list resumed>) = 0 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5922] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5924] <... bpf resumed>) = 3 [pid 5923] <... prctl resumed>) = 0 [pid 5922] <... futex resumed>) = 0 [pid 5925] <... prctl resumed>) = 0 [pid 5924] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] setpgid(0, 0 [pid 5924] <... futex resumed>) = 0 [pid 5923] setpgid(0, 0 [pid 5922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] <... setpgid resumed>) = 0 [pid 5924] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... bpf resumed>) = 5 [pid 5920] <... bpf resumed>) = 5 [pid 5921] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = 0 [pid 5923] <... setpgid resumed>) = 0 [pid 5922] <... futex resumed>) = 1 [pid 5921] <... futex resumed>) = 1 [pid 5920] <... futex resumed>) = 1 [pid 5919] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5925] <... openat resumed>) = 3 [pid 5924] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5921] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] exit_group(0 [pid 5925] write(3, "1000", 4 [pid 5922] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] exit_group(0 [pid 5925] <... write resumed>) = 4 [pid 5924] <... bpf resumed>) = 4 [pid 5921] <... futex resumed>) = ? [pid 5920] <... futex resumed>) = ? [pid 5919] <... exit_group resumed>) = ? [pid 5917] <... exit_group resumed>) = ? [pid 5925] close(3) = 0 [pid 5925] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... openat resumed>) = 3 [pid 5925] <... futex resumed>) = 0 [pid 5925] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5924] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] write(3, "1000", 4 [pid 5921] +++ exited with 0 +++ [pid 5920] +++ exited with 0 +++ [pid 5919] +++ exited with 0 +++ [pid 5925] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5924] <... futex resumed>) = 1 [pid 5923] <... write resumed>) = 4 [pid 5922] <... futex resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5922] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5923] close(3 [pid 5922] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5923] <... close resumed>) = 0 [pid 5917] +++ exited with 0 +++ [pid 5925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5923] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5926 attached [pid 5925] <... mmap resumed>) = 0x7f7b61773000 [pid 5923] <... futex resumed>) = 0 [pid 5926] set_robust_list(0x55558a0856a0, 24 [pid 5925] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5923] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5926 ./strace-static-x86_64: Process 5927 attached [pid 5926] <... set_robust_list resumed>) = 0 [pid 5925] <... mprotect resumed>) = 0 [pid 5923] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5927] set_robust_list(0x55558a0856a0, 24 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5927 [pid 5925] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5927] <... set_robust_list resumed>) = 0 [pid 5923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5925] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5926] <... prctl resumed>) = 0 [pid 5927] <... prctl resumed>) = 0 [pid 5925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5924] <... bpf resumed>) = 5 [pid 5923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5927] setpgid(0, 0 [pid 5926] setpgid(0, 0 [pid 5924] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... mmap resumed>) = 0x7f7b61773000 [pid 5927] <... setpgid resumed>) = 0 [pid 5926] <... setpgid resumed>) = 0 [pid 5924] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5928 attached [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5925] <... clone3 resumed> => {parent_tid=[5928]}, 88) = 5928 [pid 5924] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5922] <... futex resumed>) = 0 [pid 5928] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5926] <... openat resumed>) = 3 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], [pid 5928] <... rseq resumed>) = 0 [pid 5927] <... openat resumed>) = 3 [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] <... mprotect resumed>) = 0 [pid 5922] exit_group(0 [pid 5928] set_robust_list(0x7f7b617939a0, 24 [pid 5927] write(3, "1000", 4 [pid 5926] write(3, "1000", 4 [pid 5925] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = ? [pid 5922] <... exit_group resumed>) = ? [pid 5928] <... set_robust_list resumed>) = 0 [pid 5927] <... write resumed>) = 4 [pid 5926] <... write resumed>) = 4 [pid 5925] <... futex resumed>) = 0 [pid 5924] +++ exited with 0 +++ [pid 5923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5928] rt_sigprocmask(SIG_SETMASK, [], [pid 5927] close(3 [pid 5926] close(3 [pid 5925] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5927] <... close resumed>) = 0 [pid 5926] <... close resumed>) = 0 [pid 5923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5927] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5926] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5928] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5927] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5928] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5929 attached [pid 5928] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5926] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5929] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5926] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5929] <... rseq resumed>) = 0 [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] set_robust_list(0x7f7b617939a0, 24 [pid 5927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5927] <... mmap resumed>) = 0x7f7b61773000 [pid 5926] <... mmap resumed>) = 0x7f7b61773000 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5927] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5926] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5927] <... mprotect resumed>) = 0 [pid 5926] <... mprotect resumed>) = 0 [pid 5922] +++ exited with 0 +++ [pid 5929] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5926] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5928] <... futex resumed>) = 1 [pid 5925] <... futex resumed>) = 0 [pid 5923] <... clone3 resumed> => {parent_tid=[5929]}, 88) = 5929 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5928] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5927] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5926] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] <... futex resumed>) = 0 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5931 attached ./strace-static-x86_64: Process 5930 attached [pid 5928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5925] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5930] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5927] <... clone3 resumed> => {parent_tid=[5930]}, 88) = 5930 [pid 5926] <... clone3 resumed> => {parent_tid=[5931]}, 88) = 5931 [pid 5923] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5931] <... rseq resumed>) = 0 [pid 5930] <... rseq resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5927] rt_sigprocmask(SIG_SETMASK, [], [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5923] <... futex resumed>) = 1 [pid 5931] set_robust_list(0x7f7b617939a0, 24 [pid 5930] set_robust_list(0x7f7b617939a0, 24 [pid 5929] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] <... set_robust_list resumed>) = 0 [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] <... bpf resumed>) = 3 [pid 5927] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5932 attached [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = 0 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 5932] set_robust_list(0x55558a0856a0, 24 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5927] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5926] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] <... set_robust_list resumed>) = 0 [pid 5931] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5930] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5928] <... bpf resumed>) = 4 [pid 5923] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... prctl resumed>) = 0 [pid 5931] <... bpf resumed>) = 3 [pid 5930] <... bpf resumed>) = 3 [pid 5923] <... futex resumed>) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5932 [pid 5932] setpgid(0, 0 [pid 5931] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5928] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] <... setpgid resumed>) = 0 [pid 5931] <... futex resumed>) = 1 [pid 5930] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5931] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5930] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... bpf resumed>) = 4 [pid 5928] <... futex resumed>) = 1 [pid 5927] <... futex resumed>) = 0 [pid 5926] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = 0 [pid 5928] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... openat resumed>) = 3 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] <... futex resumed>) = 0 [pid 5928] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5925] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5932] write(3, "1000", 4 [pid 5931] <... bpf resumed>) = 4 [pid 5929] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... write resumed>) = 4 [pid 5926] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 1 [pid 5932] close(3 [pid 5930] <... futex resumed>) = 0 [pid 5929] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5927] <... futex resumed>) = 1 [pid 5926] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... close resumed>) = 0 [pid 5930] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5927] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... futex resumed>) = 0 [pid 5932] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... bpf resumed>) = 5 [pid 5923] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5932] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 1 [pid 5929] <... bpf resumed>) = 5 [pid 5931] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] <... bpf resumed>) = 4 [pid 5926] <... futex resumed>) = 0 [pid 5932] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5929] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5926] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5931] <... futex resumed>) = 0 [pid 5930] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 1 [pid 5925] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = 0 [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5930] <... futex resumed>) = 1 [pid 5929] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] <... futex resumed>) = 0 [pid 5926] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5925] exit_group(0 [pid 5923] exit_group(0 [pid 5932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5931] <... bpf resumed>) = 5 [pid 5930] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... futex resumed>) = ? [pid 5928] <... futex resumed>) = ? [pid 5927] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... exit_group resumed>) = ? [pid 5923] <... exit_group resumed>) = ? [pid 5932] <... mmap resumed>) = 0x7f7b61773000 [pid 5931] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] +++ exited with 0 +++ [pid 5928] +++ exited with 0 +++ [pid 5927] <... futex resumed>) = 0 [pid 5923] +++ exited with 0 +++ [pid 5932] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5931] <... futex resumed>) = 1 [pid 5930] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5927] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5926] <... futex resumed>) = 0 [pid 5932] <... mprotect resumed>) = 0 [pid 5931] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5926] exit_group(0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5932] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5931] <... futex resumed>) = ? [pid 5926] <... exit_group resumed>) = ? [pid 5080] <... restart_syscall resumed>) = 0 [pid 5932] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5933 attached [pid 5932] <... clone3 resumed> => {parent_tid=[5933]}, 88) = 5933 [pid 5930] <... bpf resumed>) = 5 [pid 5925] +++ exited with 0 +++ [pid 5933] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5933] <... rseq resumed>) = 0 [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] <... futex resumed>) = 1 [pid 5927] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5934 attached [pid 5933] set_robust_list(0x7f7b617939a0, 24 [pid 5932] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] exit_group(0 [pid 5934] set_robust_list(0x55558a0856a0, 24 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = ? [pid 5927] <... exit_group resumed>) = ? [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5934 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5935 attached [pid 5934] <... set_robust_list resumed>) = 0 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], [pid 5932] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] +++ exited with 0 +++ [pid 5935] set_robust_list(0x55558a0856a0, 24 [pid 5934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5935 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5934] <... prctl resumed>) = 0 [pid 5933] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5934] setpgid(0, 0 [pid 5935] <... prctl resumed>) = 0 [pid 5934] <... setpgid resumed>) = 0 [pid 5933] <... bpf resumed>) = 3 [pid 5933] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5935] setpgid(0, 0 [pid 5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5933] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] +++ exited with 0 +++ [pid 5926] +++ exited with 0 +++ [pid 5933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5932] <... futex resumed>) = 0 [pid 5935] <... setpgid resumed>) = 0 [pid 5934] <... openat resumed>) = 3 [pid 5933] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5932] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5934] write(3, "1000", 4 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5935] <... openat resumed>) = 3 [pid 5934] <... write resumed>) = 4 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5933] <... bpf resumed>) = 4 [pid 5933] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5933] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] <... futex resumed>) = 0 [pid 5932] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5932] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5933] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 5936 attached [pid 5935] write(3, "1000", 4 [pid 5934] close(3 [pid 5936] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5935] <... write resumed>) = 4 [pid 5935] close(3 [pid 5934] <... close resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5936 [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] <... close resumed>) = 0 [pid 5934] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5936] <... prctl resumed>) = 0 [pid 5935] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = 0 [pid 5936] setpgid(0, 0 [pid 5935] <... futex resumed>) = 0 [pid 5934] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5935] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5934] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5935] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5935] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5937 attached [pid 5936] <... setpgid resumed>) = 0 [pid 5935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5933] <... bpf resumed>) = 5 [pid 5937] set_robust_list(0x55558a0856a0, 24 [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5933] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5933] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] <... futex resumed>) = 0 [pid 5937] <... set_robust_list resumed>) = 0 [pid 5936] <... openat resumed>) = 3 [pid 5935] <... mmap resumed>) = 0x7f7b61773000 [pid 5934] <... mmap resumed>) = 0x7f7b61773000 [pid 5932] exit_group(0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5937 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5934] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5936] write(3, "1000", 4 [pid 5933] <... futex resumed>) = ? [pid 5932] <... exit_group resumed>) = ? [pid 5937] <... prctl resumed>) = 0 [pid 5935] <... mprotect resumed>) = 0 [pid 5934] <... mprotect resumed>) = 0 [pid 5937] setpgid(0, 0 [pid 5936] <... write resumed>) = 4 [pid 5935] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5934] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5933] +++ exited with 0 +++ [pid 5937] <... setpgid resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5935] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5935] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5934] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5937] <... openat resumed>) = 3 [pid 5934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5938 attached [pid 5936] close(3./strace-static-x86_64: Process 5939 attached [pid 5938] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5937] write(3, "1000", 4 [pid 5936] <... close resumed>) = 0 [pid 5935] <... clone3 resumed> => {parent_tid=[5938]}, 88) = 5938 [pid 5932] +++ exited with 0 +++ [pid 5939] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5938] <... rseq resumed>) = 0 [pid 5937] <... write resumed>) = 4 [pid 5936] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] <... rseq resumed>) = 0 [pid 5938] set_robust_list(0x7f7b617939a0, 24 [pid 5937] close(3 [pid 5936] <... futex resumed>) = 0 [pid 5935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] <... clone3 resumed> => {parent_tid=[5939]}, 88) = 5939 [pid 5939] set_robust_list(0x7f7b617939a0, 24 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] <... close resumed>) = 0 [pid 5936] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5935] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5939] <... set_robust_list resumed>) = 0 [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5937] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5935] <... futex resumed>) = 0 [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5935] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] <... bpf resumed>) = 3 [pid 5936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5938] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... mmap resumed>) = 0x7f7b61773000 ./strace-static-x86_64: Process 5940 attached [pid 5938] <... futex resumed>) = 0 [pid 5936] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5940] set_robust_list(0x55558a0856a0, 24 [pid 5938] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] <... mprotect resumed>) = 0 [pid 5934] <... futex resumed>) = 0 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5936] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5939] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5937] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5936] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5935] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5940 [pid 5940] <... prctl resumed>) = 0 [pid 5939] <... bpf resumed>) = 3 [pid 5938] <... futex resumed>) = 0 [pid 5937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5935] <... futex resumed>) = 1 [pid 5940] setpgid(0, 0 [pid 5939] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5935] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5941 attached [pid 5940] <... setpgid resumed>) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5934] <... futex resumed>) = 0 [pid 5941] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5939] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... mmap resumed>) = 0x7f7b61773000 [pid 5936] <... clone3 resumed> => {parent_tid=[5941]}, 88) = 5941 [pid 5934] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... rseq resumed>) = 0 [pid 5939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5934] <... futex resumed>) = 0 [pid 5939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5937] <... mprotect resumed>) = 0 [pid 5934] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] set_robust_list(0x7f7b617939a0, 24 [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5939] <... bpf resumed>) = 4 [pid 5938] <... bpf resumed>) = 4 [pid 5936] rt_sigprocmask(SIG_SETMASK, [], [pid 5941] <... set_robust_list resumed>) = 0 [pid 5940] <... openat resumed>) = 3 [pid 5939] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] <... futex resumed>) = 1 [pid 5938] <... futex resumed>) = 1 [pid 5935] <... futex resumed>) = 0 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5935] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = 0 [pid 5941] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] write(3, "1000", 4 [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5935] <... futex resumed>) = 0 [pid 5934] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... write resumed>) = 4 [pid 5939] <... futex resumed>) = 0 [pid 5938] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5935] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5934] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5942 attached [pid 5940] close(3 [pid 5939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5938] <... bpf resumed>) = 5 [pid 5936] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5941] <... futex resumed>) = 0 [pid 5940] <... close resumed>) = 0 [pid 5938] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... clone3 resumed> => {parent_tid=[5942]}, 88) = 5942 [pid 5936] <... futex resumed>) = 1 [pid 5934] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5942] <... rseq resumed>) = 0 [pid 5941] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5940] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] set_robust_list(0x7f7b617939a0, 24 [pid 5940] <... futex resumed>) = 0 [pid 5942] <... set_robust_list resumed>) = 0 [pid 5939] <... bpf resumed>) = 5 [pid 5938] <... futex resumed>) = 1 [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5935] <... futex resumed>) = 0 [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5939] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5935] exit_group(0 [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] <... bpf resumed>) = 3 [pid 5940] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5938] <... futex resumed>) = ? [pid 5937] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... exit_group resumed>) = ? [pid 5934] <... futex resumed>) = 0 [pid 5942] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5941] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5939] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] +++ exited with 0 +++ [pid 5937] <... futex resumed>) = 0 [pid 5934] exit_group(0 [pid 5942] <... bpf resumed>) = 3 [pid 5941] <... futex resumed>) = 1 [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] <... futex resumed>) = ? [pid 5937] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] <... futex resumed>) = 0 [pid 5934] <... exit_group resumed>) = ? [pid 5942] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5939] +++ exited with 0 +++ [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] <... mmap resumed>) = 0x7f7b61773000 [pid 5937] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = 0 [pid 5942] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5941] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5940] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5937] <... futex resumed>) = 0 [pid 5936] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... mprotect resumed>) = 0 [pid 5942] <... bpf resumed>) = 4 [pid 5942] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5942] <... futex resumed>) = 1 [pid 5941] <... bpf resumed>) = 4 [pid 5940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5942] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5937] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5943 attached [pid 5941] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5942] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 1 [pid 5940] <... clone3 resumed> => {parent_tid=[5943]}, 88) = 5943 [pid 5937] <... futex resumed>) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5943] <... rseq resumed>) = 0 [pid 5942] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5941] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] rt_sigprocmask(SIG_SETMASK, [], [pid 5937] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5936] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] set_robust_list(0x7f7b617939a0, 24 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5936] <... futex resumed>) = 0 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5941] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5940] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5943] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5940] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... bpf resumed>) = 3 [pid 5943] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5943] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] <... futex resumed>) = 0 [pid 5940] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 1 [pid 5943] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5940] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... bpf resumed>) = 4 [pid 5943] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] +++ exited with 0 +++ [pid 5934] +++ exited with 0 +++ [pid 5943] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5935, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5943] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] <... futex resumed>) = 0 [pid 5943] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5940] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5944 attached [pid 5944] set_robust_list(0x55558a0856a0, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5944 [pid 5944] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5945 attached [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5945 [pid 5945] set_robust_list(0x55558a0856a0, 24 [pid 5944] <... prctl resumed>) = 0 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5944] setpgid(0, 0 [pid 5945] <... prctl resumed>) = 0 [pid 5945] setpgid(0, 0 [pid 5944] <... setpgid resumed>) = 0 [pid 5945] <... setpgid resumed>) = 0 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5944] <... openat resumed>) = 3 [pid 5945] <... openat resumed>) = 3 [pid 5944] write(3, "1000", 4 [pid 5945] write(3, "1000", 4 [pid 5944] <... write resumed>) = 4 [pid 5945] <... write resumed>) = 4 [pid 5944] close(3 [pid 5945] close(3 [pid 5944] <... close resumed>) = 0 [pid 5945] <... close resumed>) = 0 [pid 5944] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 0 [pid 5945] <... futex resumed>) = 0 [pid 5944] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5945] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5943] <... bpf resumed>) = 5 [pid 5942] <... bpf resumed>) = 5 [pid 5941] <... bpf resumed>) = 5 [pid 5943] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = 1 [pid 5942] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5945] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5944] <... mmap resumed>) = 0x7f7b61773000 [pid 5943] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] exit_group(0 [pid 5937] exit_group(0 [pid 5945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5944] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5943] <... futex resumed>) = ? [pid 5942] <... futex resumed>) = ? [pid 5941] <... futex resumed>) = 1 [pid 5940] <... exit_group resumed>) = ? [pid 5937] <... exit_group resumed>) = ? [pid 5936] <... futex resumed>) = 0 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] <... mprotect resumed>) = 0 [pid 5943] +++ exited with 0 +++ [pid 5942] +++ exited with 0 +++ [pid 5941] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] +++ exited with 0 +++ [pid 5945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5945] <... mmap resumed>) = 0x7f7b61773000 [pid 5944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5945] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5936] exit_group(0./strace-static-x86_64: Process 5946 attached [pid 5945] <... mprotect resumed>) = 0 [pid 5941] <... futex resumed>) = ? [pid 5936] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5947 attached [pid 5946] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5945] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5944] <... clone3 resumed> => {parent_tid=[5946]}, 88) = 5946 [pid 5941] +++ exited with 0 +++ [pid 5947] set_robust_list(0x55558a0856a0, 24 [pid 5946] <... rseq resumed>) = 0 [pid 5945] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5946] set_robust_list(0x7f7b617939a0, 24 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5946] <... set_robust_list resumed>) = 0 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... set_robust_list resumed>) = 0 [pid 5945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5948 attached [pid 5947] <... prctl resumed>) = 0 [pid 5946] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5945] <... clone3 resumed> => {parent_tid=[5948]}, 88) = 5948 [pid 5944] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5947] setpgid(0, 0 [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5947 [pid 5948] <... rseq resumed>) = 0 [pid 5947] <... setpgid resumed>) = 0 [pid 5946] <... bpf resumed>) = 3 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] set_robust_list(0x7f7b617939a0, 24 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5948] <... set_robust_list resumed>) = 0 [pid 5947] <... openat resumed>) = 3 [pid 5946] <... futex resumed>) = 0 [pid 5945] <... futex resumed>) = 0 [pid 5944] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] write(3, "1000", 4 [pid 5946] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5945] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] <... futex resumed>) = 0 [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] <... write resumed>) = 4 [pid 5944] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5947] close(3 [pid 5948] <... bpf resumed>) = 3 [pid 5947] <... close resumed>) = 0 [pid 5946] <... bpf resumed>) = 4 [pid 5948] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5945] <... futex resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5948] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5945] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5945] <... futex resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5948] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5945] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5948] <... bpf resumed>) = 4 [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] <... bpf resumed>) = 5 [pid 5937] +++ exited with 0 +++ [pid 5946] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5947] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5948] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... restart_syscall resumed>) = 0 [pid 5948] <... futex resumed>) = 1 [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5945] <... futex resumed>) = 0 [pid 5944] exit_group(0 [pid 5948] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5946] <... futex resumed>) = ? [pid 5945] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... exit_group resumed>) = ? [pid 5948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5946] +++ exited with 0 +++ [pid 5945] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5948] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5945] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5949 attached [pid 5949] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5950 attached ) = 0 [pid 5947] <... clone3 resumed> => {parent_tid=[5949]}, 88) = 5949 [pid 5949] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5950] set_robust_list(0x55558a0856a0, 24 [pid 5949] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] rt_sigprocmask(SIG_SETMASK, [], [pid 5950] <... set_robust_list resumed>) = 0 [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5949] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5950 [pid 5950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] <... futex resumed>) = 0 [pid 5950] <... prctl resumed>) = 0 [pid 5947] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] setpgid(0, 0) = 0 [pid 5949] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5949] <... bpf resumed>) = 3 [pid 5949] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5949] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... openat resumed>) = 3 [pid 5949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] <... futex resumed>) = 0 [pid 5950] write(3, "1000", 4 [pid 5949] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5947] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] <... write resumed>) = 4 [pid 5950] close(3) = 0 [pid 5950] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5949] <... bpf resumed>) = 4 [pid 5949] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5949] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5949] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] <... futex resumed>) = 0 [pid 5950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5949] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5947] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5950] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5951 attached [pid 5951] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 5950] <... clone3 resumed> => {parent_tid=[5951]}, 88) = 5951 [pid 5950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5950] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] +++ exited with 0 +++ [pid 5951] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5950] <... futex resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5951] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5950] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] <... bpf resumed>) = 3 [pid 5944] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5951] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5951] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5951] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] <... futex resumed>) = 0 [pid 5951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5950] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5952 attached ./strace-static-x86_64: Process 5953 attached [pid 5952] set_robust_list(0x55558a0856a0, 24 [pid 5953] set_robust_list(0x55558a0856a0, 24 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5951] <... bpf resumed>) = 4 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5952 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5953 [pid 5951] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] <... prctl resumed>) = 0 [pid 5951] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5950] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5950] <... futex resumed>) = 0 [pid 5950] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5953] <... prctl resumed>) = 0 [pid 5952] setpgid(0, 0 [pid 5953] setpgid(0, 0 [pid 5952] <... setpgid resumed>) = 0 [pid 5953] <... setpgid resumed>) = 0 [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5953] write(3, "1000", 4) = 4 [pid 5952] <... openat resumed>) = 3 [pid 5951] <... bpf resumed>) = 5 [pid 5949] <... bpf resumed>) = 5 [pid 5948] <... bpf resumed>) = 5 [pid 5951] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] close(3 [pid 5951] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5952] write(3, "1000", 4 [pid 5948] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... close resumed>) = 0 [pid 5952] <... write resumed>) = 4 [pid 5951] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] exit_group(0 [pid 5949] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] <... futex resumed>) = 1 [pid 5947] exit_group(0 [pid 5945] <... futex resumed>) = 0 [pid 5953] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] close(3 [pid 5951] <... futex resumed>) = ? [pid 5950] <... exit_group resumed>) = ? [pid 5949] <... futex resumed>) = ? [pid 5948] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... exit_group resumed>) = ? [pid 5945] exit_group(0 [pid 5953] <... futex resumed>) = 0 [pid 5952] <... close resumed>) = 0 [pid 5951] +++ exited with 0 +++ [pid 5949] +++ exited with 0 +++ [pid 5953] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5952] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] +++ exited with 0 +++ [pid 5948] <... futex resumed>) = ? [pid 5945] <... exit_group resumed>) = ? [pid 5953] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5948] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5952] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5947] +++ exited with 0 +++ [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5945] +++ exited with 0 +++ [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5945, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5953] <... mmap resumed>) = 0x7f7b61773000 [pid 5952] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5952] <... mprotect resumed>) = 0 [pid 5953] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5074] <... restart_syscall resumed>) = 0 [pid 5953] <... mprotect resumed>) = 0 [pid 5952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5954 attached [pid 5953] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5954] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5952] <... clone3 resumed> => {parent_tid=[5954]}, 88) = 5954 [pid 5954] <... rseq resumed>) = 0 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] set_robust_list(0x7f7b617939a0, 24 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5952] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5955 attached NULL, 8) = 0 [pid 5953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5954] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5956 attached [pid 5955] set_robust_list(0x55558a0856a0, 24 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5955 [pid 5954] <... bpf resumed>) = 3 [pid 5956] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5955] <... set_robust_list resumed>) = 0 [pid 5953] <... clone3 resumed> => {parent_tid=[5956]}, 88) = 5956 [pid 5956] <... rseq resumed>) = 0 [pid 5954] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5958 attached ./strace-static-x86_64: Process 5957 attached [pid 5956] set_robust_list(0x7f7b617939a0, 24 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5954] <... futex resumed>) = 1 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5952] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5958 [pid 5958] set_robust_list(0x55558a0856a0, 24 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5955] <... prctl resumed>) = 0 [pid 5954] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] set_robust_list(0x55558a0856a0, 24 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] setpgid(0, 0 [pid 5952] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5957 [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5957] <... set_robust_list resumed>) = 0 [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] <... setpgid resumed>) = 0 [pid 5954] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5953] <... futex resumed>) = 0 [pid 5952] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... prctl resumed>) = 0 [pid 5956] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] setpgid(0, 0 [pid 5953] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... setpgid resumed>) = 0 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] <... bpf resumed>) = 3 [pid 5958] <... openat resumed>) = 3 [pid 5955] <... openat resumed>) = 3 [pid 5957] <... prctl resumed>) = 0 [pid 5956] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... bpf resumed>) = 4 [pid 5956] <... futex resumed>) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5956] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] write(3, "1000", 4 [pid 5953] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] <... write resumed>) = 4 [pid 5953] <... futex resumed>) = 0 [pid 5956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5953] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] write(3, "1000", 4 [pid 5957] setpgid(0, 0 [pid 5955] close(3 [pid 5954] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... write resumed>) = 4 [pid 5957] <... setpgid resumed>) = 0 [pid 5955] <... close resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 0 [pid 5952] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5958] close(3 [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5956] <... bpf resumed>) = 4 [pid 5955] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5952] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5958] <... close resumed>) = 0 [pid 5958] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5957] <... openat resumed>) = 3 [pid 5956] <... futex resumed>) = 1 [pid 5955] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5954] <... bpf resumed>) = 5 [pid 5953] <... futex resumed>) = 0 [pid 5958] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5957] write(3, "1000", 4 [pid 5956] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5958] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5954] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... write resumed>) = 4 [pid 5958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5957] close(3 [pid 5956] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] <... close resumed>) = 0 [pid 5956] <... bpf resumed>) = 5 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5954] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5952] exit_group(0 [pid 5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5957] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... exit_group resumed>) = ? [pid 5958] <... mmap resumed>) = 0x7f7b61773000 [pid 5957] <... futex resumed>) = 0 [pid 5958] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5957] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5958] <... mprotect resumed>) = 0 [pid 5957] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5958] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5956] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... mmap resumed>) = 0x7f7b61773000 [pid 5954] <... futex resumed>) = ? [pid 5956] <... futex resumed>) = 1 [pid 5955] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5953] <... futex resumed>) = 0 [pid 5958] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5959 attached ) = 0x7f7b61773000 [pid 5959] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5958] <... clone3 resumed> => {parent_tid=[5959]}, 88) = 5959 [pid 5957] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5959] <... rseq resumed>) = 0 [pid 5958] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] <... mprotect resumed>) = 0 [pid 5959] set_robust_list(0x7f7b617939a0, 24 [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] <... set_robust_list resumed>) = 0 [pid 5958] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5955] <... mprotect resumed>) = 0 [pid 5953] exit_group(0 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5958] <... futex resumed>) = 0 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5953] <... exit_group resumed>) = ? [pid 5956] <... futex resumed>) = ? [pid 5955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5959] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5959] <... bpf resumed>) = 3 [pid 5957] <... clone3 resumed> => {parent_tid=[5960]}, 88) = 5960 [pid 5959] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5960 attached [pid 5959] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5961 attached [pid 5960] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5959] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5960] <... rseq resumed>) = 0 [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5958] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5955] <... clone3 resumed> => {parent_tid=[5961]}, 88) = 5961 [pid 5961] <... rseq resumed>) = 0 [pid 5960] set_robust_list(0x7f7b617939a0, 24 [pid 5959] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5958] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5961] set_robust_list(0x7f7b617939a0, 24 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] <... bpf resumed>) = 4 [pid 5955] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5961] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5959] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] <... bpf resumed>) = 3 [pid 5960] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5958] <... futex resumed>) = 0 [pid 5961] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... bpf resumed>) = 3 [pid 5959] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5958] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5961] <... futex resumed>) = 1 [pid 5960] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5955] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5960] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5957] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5957] <... futex resumed>) = 0 [pid 5957] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] <... bpf resumed>) = 4 [pid 5960] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5956] +++ exited with 0 +++ [pid 5954] +++ exited with 0 +++ [pid 5953] +++ exited with 0 +++ [pid 5952] +++ exited with 0 +++ [pid 5961] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5961] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5961] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... bpf resumed>) = 4 [pid 5955] <... futex resumed>) = 0 [pid 5961] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5960] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5960] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5960] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5957] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5957] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5962 ./strace-static-x86_64: Process 5963 attached ./strace-static-x86_64: Process 5962 attached [pid 5961] <... bpf resumed>) = 5 [pid 5960] <... bpf resumed>) = 5 [pid 5959] <... bpf resumed>) = 5 [pid 5960] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5963 [pid 5963] set_robust_list(0x55558a0856a0, 24 [pid 5962] set_robust_list(0x55558a0856a0, 24 [pid 5961] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5961] <... futex resumed>) = 1 [pid 5960] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] exit_group(0 [pid 5963] <... set_robust_list resumed>) = 0 [pid 5957] exit_group(0 [pid 5955] <... futex resumed>) = 0 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5961] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] exit_group(0 [pid 5960] <... futex resumed>) = ? [pid 5959] <... futex resumed>) = ? [pid 5958] <... exit_group resumed>) = ? [pid 5957] <... exit_group resumed>) = ? [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5955] <... exit_group resumed>) = ? [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5962] <... prctl resumed>) = 0 [pid 5961] <... futex resumed>) = ? [pid 5960] +++ exited with 0 +++ [pid 5959] +++ exited with 0 +++ [pid 5957] +++ exited with 0 +++ [pid 5962] setpgid(0, 0 [pid 5963] <... prctl resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5963] setpgid(0, 0 [pid 5962] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5964 attached [pid 5963] <... setpgid resumed>) = 0 [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5964 [pid 5964] set_robust_list(0x55558a0856a0, 24 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5962] <... openat resumed>) = 3 [pid 5961] +++ exited with 0 +++ [pid 5958] +++ exited with 0 +++ [pid 5955] +++ exited with 0 +++ [pid 5964] <... set_robust_list resumed>) = 0 [pid 5963] <... openat resumed>) = 3 [pid 5962] write(3, "1000", 4 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5962] <... write resumed>) = 4 [pid 5962] close(3) = 0 [pid 5962] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5964] <... prctl resumed>) = 0 [pid 5963] write(3, "1000", 4 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5964] setpgid(0, 0 [pid 5963] <... write resumed>) = 4 [pid 5962] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5964] <... setpgid resumed>) = 0 [pid 5963] close(3 [pid 5962] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5963] <... close resumed>) = 0 [pid 5962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5964] <... openat resumed>) = 3 [pid 5963] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] <... futex resumed>) = 0 [pid 5962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5964] write(3, "1000", 4 [pid 5963] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5962] <... mmap resumed>) = 0x7f7b61773000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5964] <... write resumed>) = 4 [pid 5963] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5962] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5962] <... mprotect resumed>) = 0 [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5962] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5963] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5962] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5963] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5966 attached [pid 5963] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5966] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5962] <... clone3 resumed> => {parent_tid=[5966]}, 88) = 5966 ./strace-static-x86_64: Process 5967 attached ./strace-static-x86_64: Process 5968 attached ./strace-static-x86_64: Process 5965 attached [pid 5966] <... rseq resumed>) = 0 [pid 5964] close(3 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5965 [pid 5968] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5967] set_robust_list(0x55558a0856a0, 24 [pid 5966] set_robust_list(0x7f7b617939a0, 24 [pid 5965] set_robust_list(0x55558a0856a0, 24 [pid 5964] <... close resumed>) = 0 [pid 5963] <... clone3 resumed> => {parent_tid=[5968]}, 88) = 5968 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5967 [pid 5968] <... rseq resumed>) = 0 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5966] <... set_robust_list resumed>) = 0 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5964] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] set_robust_list(0x7f7b617939a0, 24 [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] <... futex resumed>) = 0 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5964] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5968] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5964] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] <... prctl resumed>) = 0 [pid 5964] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5963] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = 0 [pid 5967] <... prctl resumed>) = 0 [pid 5965] setpgid(0, 0 [pid 5964] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5962] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... futex resumed>) = 0 [pid 5963] <... futex resumed>) = 1 [pid 5966] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5968] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5967] setpgid(0, 0 [pid 5965] <... setpgid resumed>) = 0 [pid 5964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5963] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5969 attached [pid 5968] <... bpf resumed>) = 3 [pid 5967] <... setpgid resumed>) = 0 [pid 5966] <... bpf resumed>) = 3 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5969] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5968] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... clone3 resumed> => {parent_tid=[5969]}, 88) = 5969 [pid 5969] <... rseq resumed>) = 0 [pid 5968] <... futex resumed>) = 1 [pid 5965] <... openat resumed>) = 3 [pid 5969] set_robust_list(0x7f7b617939a0, 24 [pid 5968] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] <... openat resumed>) = 3 [pid 5966] <... futex resumed>) = 1 [pid 5964] rt_sigprocmask(SIG_SETMASK, [], [pid 5963] <... futex resumed>) = 0 [pid 5962] <... futex resumed>) = 0 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5967] write(3, "1000", 4 [pid 5966] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] write(3, "1000", 4 [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... futex resumed>) = 0 [pid 5967] <... write resumed>) = 4 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... write resumed>) = 4 [pid 5964] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5967] close(3 [pid 5966] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5965] close(3 [pid 5964] <... futex resumed>) = 0 [pid 5963] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5967] <... close resumed>) = 0 [pid 5965] <... close resumed>) = 0 [pid 5964] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... bpf resumed>) = 4 [pid 5967] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... bpf resumed>) = 4 [pid 5965] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... bpf resumed>) = 3 [pid 5965] <... futex resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5968] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5968] <... futex resumed>) = 1 [pid 5967] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5968] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] <... futex resumed>) = 0 [pid 5966] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = 0 [pid 5967] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5966] <... futex resumed>) = 1 [pid 5965] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5963] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5969] <... futex resumed>) = 1 [pid 5968] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5966] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5964] <... futex resumed>) = 0 [pid 5963] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5962] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5964] <... futex resumed>) = 0 [pid 5969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5967] <... mmap resumed>) = 0x7f7b61773000 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... mmap resumed>) = 0x7f7b61773000 [pid 5964] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... bpf resumed>) = 5 [pid 5967] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5966] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5965] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5962] <... futex resumed>) = 0 [pid 5969] <... bpf resumed>) = 4 [pid 5969] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... mprotect resumed>) = 0 [pid 5966] <... bpf resumed>) = 5 [pid 5965] <... mprotect resumed>) = 0 [pid 5962] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5969] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 1 [pid 5967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5966] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5964] <... futex resumed>) = 0 [pid 5963] <... futex resumed>) = 0 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5965] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5964] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5966] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5964] <... futex resumed>) = 0 [pid 5963] exit_group(0 [pid 5962] exit_group(0./strace-static-x86_64: Process 5971 attached ./strace-static-x86_64: Process 5970 attached [pid 5969] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5968] <... futex resumed>) = ? [pid 5966] <... futex resumed>) = ? [pid 5964] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5963] <... exit_group resumed>) = ? [pid 5962] <... exit_group resumed>) = ? [pid 5971] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5970] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5969] <... bpf resumed>) = 5 [pid 5968] +++ exited with 0 +++ [pid 5967] <... clone3 resumed> => {parent_tid=[5970]}, 88) = 5970 [pid 5966] +++ exited with 0 +++ [pid 5965] <... clone3 resumed> => {parent_tid=[5971]}, 88) = 5971 [pid 5971] <... rseq resumed>) = 0 [pid 5969] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] rt_sigprocmask(SIG_SETMASK, [], [pid 5965] rt_sigprocmask(SIG_SETMASK, [], [pid 5971] set_robust_list(0x7f7b617939a0, 24 [pid 5969] <... futex resumed>) = 1 [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] <... futex resumed>) = 0 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5969] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] exit_group(0 [pid 5971] rt_sigprocmask(SIG_SETMASK, [], [pid 5969] <... futex resumed>) = ? [pid 5967] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5964] <... exit_group resumed>) = ? [pid 5971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] <... rseq resumed>) = 0 [pid 5969] +++ exited with 0 +++ [pid 5967] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] +++ exited with 0 +++ [pid 5970] set_robust_list(0x7f7b617939a0, 24 [pid 5971] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5971] <... bpf resumed>) = 3 [pid 5971] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5971] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5971] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... futex resumed>) = 0 [pid 5971] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5970] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5965] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] <... bpf resumed>) = 3 [pid 5970] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5971] <... bpf resumed>) = 4 [pid 5971] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5971] <... futex resumed>) = 1 [pid 5967] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... futex resumed>) = 0 [pid 5971] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] <... futex resumed>) = 0 [pid 5965] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] <... futex resumed>) = 0 [pid 5971] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5965] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5972 attached [pid 5972] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5972] setpgid(0, 0) = 0 [pid 5970] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5972 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5970] <... bpf resumed>) = 4 [pid 5972] <... openat resumed>) = 3 [pid 5972] write(3, "1000", 4 [pid 5970] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... write resumed>) = 4 [pid 5972] close(3) = 0 [pid 5972] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5972] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 5972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5970] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5964] +++ exited with 0 +++ [pid 5962] +++ exited with 0 +++ [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5970] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5967] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5972] <... mmap resumed>) = 0x7f7b61773000 [pid 5967] <... futex resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5972] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5967] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5972] <... mprotect resumed>) = 0 [pid 5972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 5973 attached [pid 5972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5972] <... clone3 resumed> => {parent_tid=[5974]}, 88) = 5974 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5972] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5975 attached ./strace-static-x86_64: Process 5974 attached [pid 5973] set_robust_list(0x55558a0856a0, 24 [pid 5972] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... bpf resumed>) = 5 [pid 5970] <... bpf resumed>) = 5 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5973 [pid 5974] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5975] set_robust_list(0x55558a0856a0, 24 [pid 5970] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5970] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5970] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] exit_group(0 [pid 5970] <... futex resumed>) = ? [pid 5967] <... exit_group resumed>) = ? [pid 5975] <... prctl resumed>) = 0 [pid 5974] <... rseq resumed>) = 0 [pid 5973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5971] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5975 [pid 5971] <... futex resumed>) = 1 [pid 5971] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5967] +++ exited with 0 +++ [pid 5973] <... prctl resumed>) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5965] exit_group(0 [pid 5975] setpgid(0, 0 [pid 5971] <... futex resumed>) = ? [pid 5975] <... setpgid resumed>) = 0 [pid 5974] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5973] setpgid(0, 0 [pid 5971] +++ exited with 0 +++ [pid 5965] <... exit_group resumed>) = ? [pid 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5974] <... bpf resumed>) = 3 [pid 5973] <... setpgid resumed>) = 0 [pid 5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5974] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5974] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... openat resumed>) = 3 [pid 5973] write(3, "1000", 4 [pid 5975] <... openat resumed>) = 3 [pid 5972] <... futex resumed>) = 0 [pid 5965] +++ exited with 0 +++ [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5973] <... write resumed>) = 4 [pid 5972] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5974] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5973] close(3 [pid 5972] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5976 attached [pid 5975] write(3, "1000", 4 [pid 5973] <... close resumed>) = 0 [pid 5976] set_robust_list(0x55558a0856a0, 24 [pid 5975] <... write resumed>) = 4 [pid 5973] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5976] <... set_robust_list resumed>) = 0 [pid 5975] close(3 [pid 5974] <... bpf resumed>) = 4 [pid 5973] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5976 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5975] <... close resumed>) = 0 [pid 5974] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5973] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5976] <... prctl resumed>) = 0 [pid 5974] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5977 attached [pid 5976] setpgid(0, 0 [pid 5973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5977] set_robust_list(0x55558a0856a0, 24 [pid 5973] <... mmap resumed>) = 0x7f7b61773000 [pid 5976] <... setpgid resumed>) = 0 [pid 5975] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5977 [pid 5977] <... set_robust_list resumed>) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5973] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5972] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5974] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5975] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5972] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5977] <... prctl resumed>) = 0 [pid 5976] <... openat resumed>) = 3 [pid 5975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5974] <... bpf resumed>) = 5 [pid 5973] <... mprotect resumed>) = 0 [pid 5974] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5972] <... futex resumed>) = 0 [pid 5974] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] exit_group(0 [pid 5977] setpgid(0, 0 [pid 5976] write(3, "1000", 4 [pid 5975] <... mmap resumed>) = 0x7f7b61773000 [pid 5974] <... futex resumed>) = ? [pid 5973] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5972] <... exit_group resumed>) = ? [pid 5977] <... setpgid resumed>) = 0 [pid 5976] <... write resumed>) = 4 [pid 5975] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5974] +++ exited with 0 +++ [pid 5973] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5976] close(3 [pid 5975] <... mprotect resumed>) = 0 [pid 5973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5976] <... close resumed>) = 0 [pid 5976] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5978 attached [pid 5977] <... openat resumed>) = 3 [pid 5976] <... futex resumed>) = 0 [pid 5975] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5973] <... clone3 resumed> => {parent_tid=[5978]}, 88) = 5978 [pid 5972] +++ exited with 0 +++ [pid 5978] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5977] write(3, "1000", 4 [pid 5976] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5975] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5973] rt_sigprocmask(SIG_SETMASK, [], [pid 5977] <... write resumed>) = 4 [pid 5976] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5978] <... rseq resumed>) = 0 [pid 5976] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5977] close(3./strace-static-x86_64: Process 5979 attached [pid 5978] set_robust_list(0x7f7b617939a0, 24 [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5973] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5979] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5978] <... set_robust_list resumed>) = 0 [pid 5977] <... close resumed>) = 0 [pid 5976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5975] <... clone3 resumed> => {parent_tid=[5979]}, 88) = 5979 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] <... rseq resumed>) = 0 [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] <... mmap resumed>) = 0x7f7b61773000 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5979] set_robust_list(0x7f7b617939a0, 24 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] <... set_robust_list resumed>) = 0 [pid 5978] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5975] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5980 attached [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [pid 5978] <... bpf resumed>) = 3 [pid 5977] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5975] <... futex resumed>) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5980] set_robust_list(0x55558a0856a0, 24 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... futex resumed>) = 0 [pid 5976] <... mprotect resumed>) = 0 [pid 5975] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] <... set_robust_list resumed>) = 0 [pid 5979] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5978] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5980 [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] <... bpf resumed>) = 3 [pid 5978] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5976] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... prctl resumed>) = 0 [pid 5979] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5973] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5980] setpgid(0, 0 [pid 5977] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5973] <... futex resumed>) = 1 [pid 5980] <... setpgid resumed>) = 0 [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5973] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... futex resumed>) = 1 [pid 5978] <... futex resumed>) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5975] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5981 attached [pid 5980] <... openat resumed>) = 3 [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] <... bpf resumed>) = 4 [pid 5975] <... futex resumed>) = 0 [pid 5977] <... mmap resumed>) = 0x7f7b61773000 [pid 5981] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5980] write(3, "1000", 4 [pid 5979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5977] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5976] <... clone3 resumed> => {parent_tid=[5981]}, 88) = 5981 [pid 5981] <... rseq resumed>) = 0 [pid 5980] <... write resumed>) = 4 [pid 5979] <... bpf resumed>) = 4 [pid 5975] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] <... mprotect resumed>) = 0 [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5981] set_robust_list(0x7f7b617939a0, 24 [pid 5980] close(3 [pid 5979] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5980] <... close resumed>) = 0 [pid 5979] <... futex resumed>) = 1 [pid 5978] <... futex resumed>) = 1 [pid 5977] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5976] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... futex resumed>) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5981] rt_sigprocmask(SIG_SETMASK, [], [pid 5980] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5976] <... futex resumed>) = 0 [pid 5975] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5976] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] <... futex resumed>) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5981] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5980] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5979] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5978] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5975] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5973] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5981] <... bpf resumed>) = 3 [pid 5980] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5982 attached [pid 5981] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5978] <... bpf resumed>) = 5 [pid 5977] <... clone3 resumed> => {parent_tid=[5982]}, 88) = 5982 [pid 5982] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5981] <... futex resumed>) = 1 [pid 5979] <... bpf resumed>) = 5 [pid 5976] <... futex resumed>) = 0 [pid 5982] <... rseq resumed>) = 0 [pid 5981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5978] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] set_robust_list(0x7f7b617939a0, 24 [pid 5980] <... mmap resumed>) = 0x7f7b61773000 [pid 5979] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5976] <... futex resumed>) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5980] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5978] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] exit_group(0 [pid 5982] rt_sigprocmask(SIG_SETMASK, [], [pid 5980] <... mprotect resumed>) = 0 [pid 5978] <... futex resumed>) = ? [pid 5977] <... futex resumed>) = 0 [pid 5973] <... exit_group resumed>) = ? [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5981] <... bpf resumed>) = 4 [pid 5980] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5979] <... futex resumed>) = 1 [pid 5978] +++ exited with 0 +++ [pid 5977] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] <... futex resumed>) = 0 [pid 5982] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5981] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5982] <... bpf resumed>) = 3 [pid 5981] <... futex resumed>) = 0 [pid 5980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5982] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] exit_group(0./strace-static-x86_64: Process 5983 attached [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... exit_group resumed>) = ? [pid 5983] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5982] <... futex resumed>) = 1 [pid 5980] <... clone3 resumed> => {parent_tid=[5983]}, 88) = 5983 [pid 5979] +++ exited with 0 +++ [pid 5977] <... futex resumed>) = 0 [pid 5976] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... rseq resumed>) = 0 [pid 5982] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... futex resumed>) = 0 [pid 5980] rt_sigprocmask(SIG_SETMASK, [], [pid 5977] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = 1 [pid 5983] set_robust_list(0x7f7b617939a0, 24 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5977] <... futex resumed>) = 0 [pid 5976] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5983] <... set_robust_list resumed>) = 0 [pid 5982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5980] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] rt_sigprocmask(SIG_SETMASK, [], [pid 5980] <... futex resumed>) = 0 [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5980] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5982] <... bpf resumed>) = 4 [pid 5975] +++ exited with 0 +++ [pid 5973] +++ exited with 0 +++ [pid 5982] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... bpf resumed>) = 3 [pid 5982] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5983] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5983] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5983] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5980] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5982] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5977] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5977] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5984 attached [pid 5983] <... bpf resumed>) = 4 [pid 5982] <... bpf resumed>) = 5 [pid 5981] <... bpf resumed>) = 5 [pid 5980] <... futex resumed>) = 0 [pid 5983] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5984 [pid 5983] <... futex resumed>) = 0 [pid 5984] set_robust_list(0x55558a0856a0, 24 [pid 5982] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5982] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5983] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5982] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... futex resumed>) = 1 [pid 5980] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] exit_group(0 [pid 5976] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5984] <... prctl resumed>) = 0 [pid 5983] <... bpf resumed>) = 5 [pid 5982] <... futex resumed>) = ? [pid 5981] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] <... futex resumed>) = 0 [pid 5977] <... exit_group resumed>) = ? [pid 5976] exit_group(0 [pid 5984] setpgid(0, 0 [pid 5983] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] +++ exited with 0 +++ [pid 5980] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5983] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5985 ./strace-static-x86_64: Process 5985 attached [pid 5984] <... setpgid resumed>) = 0 [pid 5983] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] exit_group(0 [pid 5976] <... exit_group resumed>) = ? [pid 5983] <... futex resumed>) = ? [pid 5981] <... futex resumed>) = ? [pid 5980] <... exit_group resumed>) = ? [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5983] +++ exited with 0 +++ [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5985] set_robust_list(0x55558a0856a0, 24 [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5985] <... set_robust_list resumed>) = 0 [pid 5984] <... openat resumed>) = 3 [pid 5985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5984] write(3, "1000", 4 [pid 5985] setpgid(0, 0) = 0 [pid 5984] <... write resumed>) = 4 [pid 5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5984] close(3) = 0 [pid 5985] <... openat resumed>) = 3 [pid 5984] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5986 attached [pid 5985] write(3, "1000", 4 [pid 5984] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5981] +++ exited with 0 +++ [pid 5980] +++ exited with 0 +++ [pid 5976] +++ exited with 0 +++ [pid 5986] set_robust_list(0x55558a0856a0, 24 [pid 5985] <... write resumed>) = 4 [pid 5984] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5986] <... set_robust_list resumed>) = 0 [pid 5985] close(3 [pid 5984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5985] <... close resumed>) = 0 [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 5986 [pid 5986] <... prctl resumed>) = 0 [pid 5985] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5986] setpgid(0, 0 [pid 5985] <... futex resumed>) = 0 [pid 5984] <... mmap resumed>) = 0x7f7b61773000 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5986] <... setpgid resumed>) = 0 [pid 5985] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5080] <... restart_syscall resumed>) = 0 [pid 5985] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5984] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5984] <... mprotect resumed>) = 0 [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5985] <... mmap resumed>) = 0x7f7b61773000 [pid 5984] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5985] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5985] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5987 attached [pid 5985] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5987] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5984] <... clone3 resumed> => {parent_tid=[5987]}, 88) = 5987 [pid 5987] <... rseq resumed>) = 0 [pid 5984] rt_sigprocmask(SIG_SETMASK, [], [pid 5987] set_robust_list(0x7f7b617939a0, 24 [pid 5985] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5984] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5984] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5989 attached [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] set_robust_list(0x55558a0856a0, 24 [pid 5987] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5986] <... openat resumed>) = 3 [pid 5985] <... clone3 resumed> => {parent_tid=[5988]}, 88) = 5988 [pid 5984] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5988 attached [pid 5989] <... set_robust_list resumed>) = 0 [pid 5987] <... bpf resumed>) = 3 [pid 5985] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5990 attached [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5988] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5987] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] write(3, "1000", 4 [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5990 [pid 5990] set_robust_list(0x55558a0856a0, 24 [pid 5989] <... prctl resumed>) = 0 [pid 5988] <... rseq resumed>) = 0 [pid 5987] <... futex resumed>) = 1 [pid 5986] <... write resumed>) = 4 [pid 5985] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = 0 [pid 5990] <... set_robust_list resumed>) = 0 [pid 5989] setpgid(0, 0 [pid 5988] set_robust_list(0x7f7b617939a0, 24 [pid 5987] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] close(3 [pid 5985] <... futex resumed>) = 0 [pid 5984] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5989 [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5989] <... setpgid resumed>) = 0 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... close resumed>) = 0 [pid 5985] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... futex resumed>) = 0 [pid 5990] <... prctl resumed>) = 0 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5988] rt_sigprocmask(SIG_SETMASK, [], [pid 5987] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5986] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] setpgid(0, 0 [pid 5989] <... openat resumed>) = 3 [pid 5988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] <... futex resumed>) = 0 [pid 5990] <... setpgid resumed>) = 0 [pid 5988] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5986] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5989] write(3, "1000", 4 [pid 5988] <... bpf resumed>) = 3 [pid 5987] <... bpf resumed>) = 4 [pid 5986] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5988] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5988] <... futex resumed>) = 1 [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5985] <... futex resumed>) = 0 [pid 5988] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5985] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... openat resumed>) = 3 [pid 5989] <... write resumed>) = 4 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] write(3, "1000", 4 [pid 5989] close(3 [pid 5987] <... futex resumed>) = 1 [pid 5988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5986] <... mmap resumed>) = 0x7f7b61773000 [pid 5985] <... futex resumed>) = 0 [pid 5984] <... futex resumed>) = 0 [pid 5990] <... write resumed>) = 4 [pid 5989] <... close resumed>) = 0 [pid 5987] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] close(3 [pid 5989] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] <... futex resumed>) = 0 [pid 5990] <... close resumed>) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5987] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5984] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5990] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5987] <... bpf resumed>) = 5 [pid 5990] <... futex resumed>) = 0 [pid 5989] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5988] <... bpf resumed>) = 4 [pid 5986] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5990] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5987] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5987] <... futex resumed>) = 1 [pid 5984] <... futex resumed>) = 0 [pid 5990] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5987] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] exit_group(0 [pid 5990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5989] <... mmap resumed>) = 0x7f7b61773000 [pid 5988] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = ? [pid 5986] <... mprotect resumed>) = 0 [pid 5984] <... exit_group resumed>) = ? [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] <... futex resumed>) = 1 [pid 5986] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5985] <... futex resumed>) = 0 [pid 5986] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5985] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5985] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5991 attached [pid 5990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5989] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5988] <... bpf resumed>) = 5 [pid 5985] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5986] <... clone3 resumed> => {parent_tid=[5991]}, 88) = 5991 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5986] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5986] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5990] <... mmap resumed>) = 0x7f7b61773000 [pid 5989] <... mprotect resumed>) = 0 [pid 5988] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... rseq resumed>) = 0 [pid 5990] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5988] <... futex resumed>) = 1 [pid 5985] <... futex resumed>) = 0 [pid 5991] set_robust_list(0x7f7b617939a0, 24 [pid 5990] <... mprotect resumed>) = 0 [pid 5989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5988] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] exit_group(0 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 5992 attached [pid 5991] rt_sigprocmask(SIG_SETMASK, [], [pid 5990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5988] <... futex resumed>) = ? [pid 5985] <... exit_group resumed>) = ? [pid 5992] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5989] <... clone3 resumed> => {parent_tid=[5992]}, 88) = 5992 [pid 5988] +++ exited with 0 +++ [pid 5987] +++ exited with 0 +++ [pid 5984] +++ exited with 0 +++ [pid 5992] <... rseq resumed>) = 0 [pid 5991] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5989] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5992] set_robust_list(0x7f7b617939a0, 24 [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5989] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] +++ exited with 0 +++ [pid 5992] <... set_robust_list resumed>) = 0 [pid 5992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5993 attached [pid 5992] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5991] <... bpf resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5993] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5990] <... clone3 resumed> => {parent_tid=[5993]}, 88) = 5993 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5992] <... bpf resumed>) = 3 [pid 5992] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = 0 [pid 5992] <... futex resumed>) = 1 [pid 5989] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5989] <... futex resumed>) = 0 [pid 5993] <... rseq resumed>) = 0 [pid 5991] <... futex resumed>) = 1 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5994 attached [pid 5993] set_robust_list(0x7f7b617939a0, 24 [pid 5992] <... bpf resumed>) = 4 [pid 5991] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] set_robust_list(0x55558a0856a0, 24) = 0 [pid 5986] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5995 attached [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5993] <... set_robust_list resumed>) = 0 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 5995 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 5994 [pid 5995] set_robust_list(0x55558a0856a0, 24 [pid 5991] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5990] <... futex resumed>) = 0 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5993] rt_sigprocmask(SIG_SETMASK, [], [pid 5992] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] <... prctl resumed>) = 0 [pid 5995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5994] setpgid(0, 0 [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5994] <... setpgid resumed>) = 0 [pid 5989] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5993] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5989] <... futex resumed>) = 0 [pid 5995] <... prctl resumed>) = 0 [pid 5994] <... openat resumed>) = 3 [pid 5992] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5991] <... bpf resumed>) = 4 [pid 5989] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5995] setpgid(0, 0 [pid 5994] write(3, "1000", 4 [pid 5993] <... bpf resumed>) = 3 [pid 5994] <... write resumed>) = 4 [pid 5994] close(3 [pid 5995] <... setpgid resumed>) = 0 [pid 5994] <... close resumed>) = 0 [pid 5993] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5994] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5993] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = 0 [pid 5994] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5990] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5990] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = 0 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5991] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5986] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5995] <... openat resumed>) = 3 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5992] <... bpf resumed>) = 5 [pid 5990] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] <... mmap resumed>) = 0x7f7b61773000 [pid 5991] <... bpf resumed>) = 5 [pid 5994] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5995] write(3, "1000", 4 [pid 5993] <... bpf resumed>) = 4 [pid 5992] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... write resumed>) = 4 [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5993] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = 0 [pid 5995] close(3 [pid 5994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5992] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... close resumed>) = 0 [pid 5989] exit_group(0./strace-static-x86_64: Process 5996 attached [pid 5995] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 1 [pid 5992] <... futex resumed>) = ? [pid 5990] <... futex resumed>) = 0 [pid 5989] <... exit_group resumed>) = ? [pid 5986] exit_group(0 [pid 5996] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5995] <... futex resumed>) = 0 [pid 5994] <... clone3 resumed> => {parent_tid=[5996]}, 88) = 5996 [pid 5993] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5992] +++ exited with 0 +++ [pid 5990] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... exit_group resumed>) = ? [pid 5996] <... rseq resumed>) = 0 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] <... futex resumed>) = 0 [pid 5996] set_robust_list(0x7f7b617939a0, 24 [pid 5993] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5990] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5996] <... set_robust_list resumed>) = 0 [pid 5993] <... bpf resumed>) = 5 [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 5993] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] +++ exited with 0 +++ [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 5993] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = ? [pid 5990] <... futex resumed>) = 0 [pid 5996] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] exit_group(0 [pid 5993] <... futex resumed>) = ? [pid 5990] <... exit_group resumed>) = ? [pid 5993] +++ exited with 0 +++ [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5994] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5994] <... futex resumed>) = 1 [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] <... futex resumed>) = 0 [pid 5995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5994] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5995] <... mmap resumed>) = 0x7f7b61773000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5996] <... bpf resumed>) = 3 [pid 5995] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5996] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5994] <... futex resumed>) = 0 [pid 5996] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... mprotect resumed>) = 0 [pid 5994] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5996] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5994] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5997 attached [pid 5995] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5994] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] set_robust_list(0x55558a0856a0, 24 [pid 5996] <... bpf resumed>) = 4 [pid 5995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 5997 [pid 5997] <... set_robust_list resumed>) = 0 [pid 5996] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5998 attached [pid 5995] <... clone3 resumed> => {parent_tid=[5998]}, 88) = 5998 [pid 5998] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] <... futex resumed>) = 1 [pid 5995] rt_sigprocmask(SIG_SETMASK, [], [pid 5994] <... futex resumed>) = 0 [pid 5998] <... rseq resumed>) = 0 [pid 5996] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... prctl resumed>) = 0 [pid 5998] set_robust_list(0x7f7b617939a0, 24 [pid 5995] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... futex resumed>) = 0 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5997] setpgid(0, 0 [pid 5995] <... futex resumed>) = 0 [pid 5994] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5995] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5997] <... setpgid resumed>) = 0 [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5990] +++ exited with 0 +++ [pid 5997] <... openat resumed>) = 3 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5997] write(3, "1000", 4 [pid 5998] <... bpf resumed>) = 3 [pid 5998] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... write resumed>) = 4 [pid 5991] +++ exited with 0 +++ [pid 5986] +++ exited with 0 +++ [pid 5998] <... futex resumed>) = 1 [pid 5997] close(3 [pid 5995] <... futex resumed>) = 0 [pid 5998] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] <... close resumed>) = 0 [pid 5995] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5997] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5998] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5997] <... futex resumed>) = 0 [pid 5995] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5998] <... bpf resumed>) = 4 [pid 5997] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5076] <... restart_syscall resumed>) = 0 [pid 5998] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5999 attached [pid 5997] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5999] set_robust_list(0x55558a0856a0, 24 [pid 5998] <... futex resumed>) = 1 [pid 5997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5995] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 5999 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5998] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5995] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5997] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5999] setpgid(0, 0 [pid 5997] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6000 attached [pid 5999] <... setpgid resumed>) = 0 [pid 5997] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5996] <... bpf resumed>) = 5 [pid 5998] <... bpf resumed>) = 5 [pid 5996] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6000] set_robust_list(0x55558a0856a0, 24 [pid 5998] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5996] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 6000 ./strace-static-x86_64: Process 6001 attached [pid 6000] <... set_robust_list resumed>) = 0 [pid 5999] <... openat resumed>) = 3 [pid 5998] <... futex resumed>) = 1 [pid 5996] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... futex resumed>) = 0 [pid 5994] exit_group(0 [pid 6001] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 5999] write(3, "1000", 4 [pid 5998] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] <... futex resumed>) = ? [pid 5994] <... exit_group resumed>) = ? [pid 6001] <... rseq resumed>) = 0 [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5999] <... write resumed>) = 4 [pid 5997] <... clone3 resumed> => {parent_tid=[6001]}, 88) = 6001 [pid 5996] +++ exited with 0 +++ [pid 5995] exit_group(0 [pid 6001] set_robust_list(0x7f7b617939a0, 24 [pid 6000] <... prctl resumed>) = 0 [pid 5999] close(3 [pid 5998] <... futex resumed>) = ? [pid 5997] rt_sigprocmask(SIG_SETMASK, [], [pid 5995] <... exit_group resumed>) = ? [pid 6001] <... set_robust_list resumed>) = 0 [pid 6000] setpgid(0, 0 [pid 5999] <... close resumed>) = 0 [pid 5998] +++ exited with 0 +++ [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] rt_sigprocmask(SIG_SETMASK, [], [pid 5999] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] <... setpgid resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 6001] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5999] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5997] <... futex resumed>) = 0 [pid 6001] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6001] <... futex resumed>) = 0 [pid 5999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5997] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] <... openat resumed>) = 3 [pid 6001] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] write(3, "1000", 4 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] <... write resumed>) = 4 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5997] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 6000] close(3 [pid 5999] <... mmap resumed>) = 0x7f7b61773000 [pid 5997] <... futex resumed>) = 1 [pid 6001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6000] <... close resumed>) = 0 [pid 5997] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6000] <... futex resumed>) = 0 [pid 6000] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 6001] <... bpf resumed>) = 4 [pid 6000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 6000] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5999] <... mprotect resumed>) = 0 [pid 6001] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... mprotect resumed>) = 0 [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6001] <... futex resumed>) = 1 [pid 6000] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5997] <... futex resumed>) = 0 [pid 6001] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5997] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5997] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6003 attached ./strace-static-x86_64: Process 6002 attached [pid 6001] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5997] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6003] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6002] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6003] <... rseq resumed>) = 0 [pid 6002] <... rseq resumed>) = 0 [pid 5999] <... clone3 resumed> => {parent_tid=[6002]}, 88) = 6002 [pid 6003] set_robust_list(0x7f7b617939a0, 24 [pid 6002] set_robust_list(0x7f7b617939a0, 24 [pid 6000] <... clone3 resumed> => {parent_tid=[6003]}, 88) = 6003 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... set_robust_list resumed>) = 0 [pid 6002] <... set_robust_list resumed>) = 0 [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] rt_sigprocmask(SIG_SETMASK, [], [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] +++ exited with 0 +++ [pid 6003] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6002] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6000] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 5995] +++ exited with 0 +++ [pid 6000] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6003] <... bpf resumed>) = 3 [pid 6002] <... bpf resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6003] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6003] <... futex resumed>) = 1 [pid 6002] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6004 attached [pid 6002] <... futex resumed>) = 1 [pid 6003] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6000] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = 0 [pid 6004] set_robust_list(0x55558a0856a0, 24 [pid 6002] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] <... futex resumed>) = 0 [pid 6004] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 6004 [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6000] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] <... prctl resumed>) = 0 [pid 6004] setpgid(0, 0 [pid 6003] <... bpf resumed>) = 4 [pid 5999] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... setpgid resumed>) = 0 [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 5999] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6005 attached [pid 6004] <... openat resumed>) = 3 [pid 6003] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... bpf resumed>) = 4 [pid 5999] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 6005 [pid 6005] set_robust_list(0x55558a0856a0, 24 [pid 6004] write(3, "1000", 4 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6004] <... write resumed>) = 4 [pid 6003] <... futex resumed>) = 1 [pid 6002] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 0 [pid 6005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6004] close(3 [pid 6003] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 6005] <... prctl resumed>) = 0 [pid 6004] <... close resumed>) = 0 [pid 6002] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] setpgid(0, 0 [pid 6004] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... futex resumed>) = 0 [pid 6005] <... setpgid resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6002] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5999] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6004] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6000] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... openat resumed>) = 3 [pid 6004] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6003] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = 1 [pid 6003] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6000] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6005] write(3, "1000", 4 [pid 6004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6005] <... write resumed>) = 4 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] close(3 [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6005] <... close resumed>) = 0 [pid 6004] <... mmap resumed>) = 0x7f7b61773000 [pid 6005] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6005] <... futex resumed>) = 0 [pid 6004] <... mprotect resumed>) = 0 [pid 6005] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 6004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 6004] <... clone3 resumed> => {parent_tid=[6006]}, 88) = 6006 ./strace-static-x86_64: Process 6006 attached [pid 6005] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... bpf resumed>) = 5 [pid 6002] <... bpf resumed>) = 5 [pid 6001] <... bpf resumed>) = 5 [pid 6006] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6003] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... mprotect resumed>) = 0 [pid 6001] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... rseq resumed>) = 0 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] <... futex resumed>) = 1 [pid 6002] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 1 [pid 6000] <... futex resumed>) = 0 [pid 5997] <... futex resumed>) = 0 [pid 6006] set_robust_list(0x7f7b617939a0, 24 [pid 6004] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] <... futex resumed>) = 1 [pid 6001] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] exit_group(0 [pid 5999] <... futex resumed>) = 0 [pid 5997] exit_group(0 [pid 6006] <... set_robust_list resumed>) = 0 [pid 6005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] <... futex resumed>) = 0 [pid 6003] <... futex resumed>) = ? [pid 6002] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... futex resumed>) = ? [pid 6000] <... exit_group resumed>) = ? [pid 5999] exit_group(0 [pid 5997] <... exit_group resumed>) = ? [pid 6006] rt_sigprocmask(SIG_SETMASK, [], [pid 6005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] +++ exited with 0 +++ [pid 6002] <... futex resumed>) = ? [pid 5999] <... exit_group resumed>) = ? [pid 6006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6002] +++ exited with 0 +++ [pid 6006] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6000] +++ exited with 0 +++ [pid 5999] +++ exited with 0 +++ ./strace-static-x86_64: Process 6007 attached [pid 6007] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6006] <... bpf resumed>) = 3 [pid 6005] <... clone3 resumed> => {parent_tid=[6007]}, 88) = 6007 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6007] <... rseq resumed>) = 0 [pid 6006] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6008 attached [pid 6007] set_robust_list(0x7f7b617939a0, 24 [pid 6006] <... futex resumed>) = 1 [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6001] +++ exited with 0 +++ [pid 5997] +++ exited with 0 +++ [pid 6007] <... set_robust_list resumed>) = 0 [pid 6006] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6008] set_robust_list(0x55558a0856a0, 24 [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6005] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6007] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 6008 [pid 6006] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114./strace-static-x86_64: Process 6009 attached [pid 6008] <... set_robust_list resumed>) = 0 [pid 6007] <... bpf resumed>) = 3 [pid 6005] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] set_robust_list(0x55558a0856a0, 24 [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6007] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... bpf resumed>) = 4 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 6009 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6008] <... prctl resumed>) = 0 [pid 6007] <... futex resumed>) = 0 [pid 6006] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6008] setpgid(0, 0 [pid 6007] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6006] <... futex resumed>) = 1 [pid 6005] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6009] <... prctl resumed>) = 0 [pid 6008] <... setpgid resumed>) = 0 [pid 6006] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6005] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] setpgid(0, 0 [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6004] <... futex resumed>) = 0 [pid 6009] <... setpgid resumed>) = 0 [pid 6008] <... openat resumed>) = 3 [pid 6004] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6007] <... bpf resumed>) = 4 [pid 6009] <... openat resumed>) = 3 [pid 6008] write(3, "1000", 4./strace-static-x86_64: Process 6010 attached ) = 4 [pid 6010] set_robust_list(0x55558a0856a0, 24 [pid 6009] write(3, "1000", 4 [pid 6008] close(3 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6009] <... write resumed>) = 4 [pid 6008] <... close resumed>) = 0 [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6009] close(3 [pid 6008] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... close resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 6010 [pid 6007] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6005] <... futex resumed>) = 0 [pid 6007] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] <... prctl resumed>) = 0 [pid 6009] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = 0 [pid 6007] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6005] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6010] setpgid(0, 0 [pid 6009] <... futex resumed>) = 0 [pid 6008] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6010] <... setpgid resumed>) = 0 [pid 6009] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6008] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6009] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6010] <... openat resumed>) = 3 [pid 6009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] write(3, "1000", 4 [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6010] <... write resumed>) = 4 [pid 6009] <... mmap resumed>) = 0x7f7b61773000 [pid 6008] <... mmap resumed>) = 0x7f7b61773000 [pid 6010] close(3 [pid 6009] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6008] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6010] <... close resumed>) = 0 [pid 6009] <... mprotect resumed>) = 0 [pid 6008] <... mprotect resumed>) = 0 [pid 6010] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6010] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6009] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6010] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6009] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6007] <... bpf resumed>) = 5 [pid 6006] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6012 attached ./strace-static-x86_64: Process 6011 attached [pid 6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6006] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6010] <... mmap resumed>) = 0x7f7b61773000 [pid 6006] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 0 [pid 6012] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6008] <... clone3 resumed> => {parent_tid=[6011]}, 88) = 6011 [pid 6007] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... rseq resumed>) = 0 [pid 6004] exit_group(0 [pid 6009] <... clone3 resumed> => {parent_tid=[6012]}, 88) = 6012 [pid 6012] <... rseq resumed>) = 0 [pid 6011] set_robust_list(0x7f7b617939a0, 24 [pid 6010] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 6008] rt_sigprocmask(SIG_SETMASK, [], [pid 6007] <... futex resumed>) = 1 [pid 6005] <... futex resumed>) = 0 [pid 6004] <... exit_group resumed>) = ? [pid 6012] set_robust_list(0x7f7b617939a0, 24 [pid 6011] <... set_robust_list resumed>) = 0 [pid 6010] <... mprotect resumed>) = 0 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6007] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] +++ exited with 0 +++ [pid 6005] exit_group(0 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6008] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... futex resumed>) = ? [pid 6005] <... exit_group resumed>) = ? [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = 0 [pid 6007] +++ exited with 0 +++ [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6009] <... futex resumed>) = 0 [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6010] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6009] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6012] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6011] <... bpf resumed>) = 3 [pid 6010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6012] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 6013 attached [pid 6012] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... clone3 resumed> => {parent_tid=[6013]}, 88) = 6013 [pid 6013] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6012] <... futex resumed>) = 1 [pid 6009] <... futex resumed>) = 0 [pid 6013] <... rseq resumed>) = 0 [pid 6012] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] set_robust_list(0x7f7b617939a0, 24 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] <... futex resumed>) = 1 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6008] <... futex resumed>) = 0 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6012] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6011] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] <... futex resumed>) = 0 [pid 6008] <... futex resumed>) = 0 [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6010] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6012] <... bpf resumed>) = 4 [pid 6013] <... bpf resumed>) = 3 [pid 6012] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... bpf resumed>) = 4 [pid 6013] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = 1 [pid 6011] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6005] +++ exited with 0 +++ [pid 6004] +++ exited with 0 +++ [pid 6013] <... futex resumed>) = 1 [pid 6012] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] <... futex resumed>) = 1 [pid 6010] <... futex resumed>) = 0 [pid 6009] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6013] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6008] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6009] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6010] <... futex resumed>) = 0 [pid 6011] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6013] <... bpf resumed>) = 4 [pid 6012] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6010] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6008] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6013] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... futex resumed>) = 0 [pid 6013] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6014 attached [pid 6012] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 6014 [pid 6010] <... futex resumed>) = 1 [pid 6012] <... futex resumed>) = 1 [pid 6009] <... futex resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6012] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6009] exit_group(0 [pid 6013] <... futex resumed>) = 0 [pid 6011] <... bpf resumed>) = 5 [pid 6010] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6013] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6011] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... bpf resumed>) = 5 [pid 6011] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6015 attached [pid 6012] <... futex resumed>) = ? [pid 6011] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6009] <... exit_group resumed>) = ? [pid 6008] <... futex resumed>) = 0 [pid 6014] set_robust_list(0x55558a0856a0, 24 [pid 6013] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] +++ exited with 0 +++ [pid 6015] set_robust_list(0x55558a0856a0, 24 [pid 6013] <... futex resumed>) = 1 [pid 6010] <... futex resumed>) = 0 [pid 6009] +++ exited with 0 +++ [pid 6008] exit_group(0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 6015 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6013] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] exit_group(0 [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6011] <... futex resumed>) = ? [pid 6010] <... exit_group resumed>) = ? [pid 6008] <... exit_group resumed>) = ? [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6015] <... prctl resumed>) = 0 [pid 6014] <... prctl resumed>) = 0 [pid 6013] <... futex resumed>) = ? [pid 6011] +++ exited with 0 +++ [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 6014] setpgid(0, 0) = 0 [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6015] setpgid(0, 0 [pid 6013] +++ exited with 0 +++ [pid 6010] +++ exited with 0 +++ [pid 6008] +++ exited with 0 +++ [pid 5076] <... restart_syscall resumed>) = 0 [pid 6015] <... setpgid resumed>) = 0 [pid 6014] write(3, "1000", 4 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6014] <... write resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6015] <... openat resumed>) = 3 [pid 6014] close(3 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 6015] write(3, "1000", 4 [pid 6014] <... close resumed>) = 0 [pid 5080] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6016 attached [pid 6015] <... write resumed>) = 4 [pid 6014] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6017 attached [pid 6016] set_robust_list(0x55558a0856a0, 24 [pid 6015] close(3 [pid 6014] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 6016 [pid 6017] set_robust_list(0x55558a0856a0, 24 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6015] <... close resumed>) = 0 [pid 6014] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 6017 [pid 6017] <... set_robust_list resumed>) = 0 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6018 attached [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6015] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6015] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 6018 [pid 6018] set_robust_list(0x55558a0856a0, 24 [pid 6017] <... prctl resumed>) = 0 [pid 6016] <... prctl resumed>) = 0 [pid 6015] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6014] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6018] <... set_robust_list resumed>) = 0 [pid 6017] setpgid(0, 0 [pid 6016] setpgid(0, 0 [pid 6015] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6017] <... setpgid resumed>) = 0 [pid 6016] <... setpgid resumed>) = 0 [pid 6015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6018] <... prctl resumed>) = 0 [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6015] <... mmap resumed>) = 0x7f7b61773000 [pid 6014] <... mmap resumed>) = 0x7f7b61773000 [pid 6018] setpgid(0, 0 [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6015] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6018] <... setpgid resumed>) = 0 [pid 6015] <... mprotect resumed>) = 0 [pid 6016] <... openat resumed>) = 3 [pid 6015] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6014] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6017] <... openat resumed>) = 3 [pid 6015] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6017] write(3, "1000", 4 [pid 6016] write(3, "1000", 4 [pid 6015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6014] <... mprotect resumed>) = 0 [pid 6018] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6019 attached [pid 6018] write(3, "1000", 4 [pid 6017] <... write resumed>) = 4 [pid 6016] <... write resumed>) = 4 [pid 6014] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6019] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6017] close(3 [pid 6016] close(3 [pid 6019] <... rseq resumed>) = 0 [pid 6018] <... write resumed>) = 4 [pid 6017] <... close resumed>) = 0 [pid 6016] <... close resumed>) = 0 [pid 6015] <... clone3 resumed> => {parent_tid=[6019]}, 88) = 6019 [pid 6014] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6019] set_robust_list(0x7f7b617939a0, 24 [pid 6018] close(3 [pid 6017] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] rt_sigprocmask(SIG_SETMASK, [], [pid 6014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6019] <... set_robust_list resumed>) = 0 [pid 6018] <... close resumed>) = 0 [pid 6017] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6020 attached [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6016] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6015] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6017] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6016] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6015] <... futex resumed>) = 0 [pid 6014] <... clone3 resumed> => {parent_tid=[6020]}, 88) = 6020 [pid 6018] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6014] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6018] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] <... rseq resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6014] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] set_robust_list(0x7f7b617939a0, 24 [pid 6019] <... bpf resumed>) = 3 [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] <... mmap resumed>) = 0x7f7b61773000 [pid 6016] <... mmap resumed>) = 0x7f7b61773000 [pid 6020] <... set_robust_list resumed>) = 0 [pid 6017] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6016] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6014] <... futex resumed>) = 0 [pid 6020] rt_sigprocmask(SIG_SETMASK, [], [pid 6019] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6017] <... mprotect resumed>) = 0 [pid 6016] <... mprotect resumed>) = 0 [pid 6014] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6018] <... mmap resumed>) = 0x7f7b61773000 [pid 6017] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6016] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6015] <... futex resumed>) = 0 [pid 6020] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6019] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6015] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6016] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6020] <... bpf resumed>) = 3 [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] <... futex resumed>) = 0 [pid 6019] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6015] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... mprotect resumed>) = 0 [pid 6020] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6020] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6021 attached [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6022 attached [pid 6021] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6014] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6021] <... rseq resumed>) = 0 [pid 6020] <... bpf resumed>) = 4 [pid 6019] <... bpf resumed>) = 4 [pid 6018] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6017] <... clone3 resumed> => {parent_tid=[6022]}, 88) = 6022 [pid 6016] <... clone3 resumed> => {parent_tid=[6021]}, 88) = 6021 [pid 6022] <... rseq resumed>) = 0 [pid 6021] set_robust_list(0x7f7b617939a0, 24 [pid 6022] set_robust_list(0x7f7b617939a0, 24 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6020] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... set_robust_list resumed>) = 0 [pid 6021] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6019] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] rt_sigprocmask(SIG_SETMASK, [], [pid 6016] rt_sigprocmask(SIG_SETMASK, [], [pid 6014] <... futex resumed>) = 0 [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] <... futex resumed>) = 1 [pid 6019] <... futex resumed>) = 1 [pid 6018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] <... futex resumed>) = 0 [pid 6014] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6021] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6019] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6017] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6023 attached [pid 6022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... bpf resumed>) = 5 [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6017] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6015] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6023] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6022] <... bpf resumed>) = 3 [pid 6021] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6020] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6018] <... clone3 resumed> => {parent_tid=[6023]}, 88) = 6023 [pid 6017] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6023] <... rseq resumed>) = 0 [pid 6022] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... bpf resumed>) = 3 [pid 6020] <... futex resumed>) = 0 [pid 6019] <... bpf resumed>) = 5 [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6014] exit_group(0 [pid 6023] set_robust_list(0x7f7b617939a0, 24 [pid 6022] <... futex resumed>) = 0 [pid 6021] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] <... exit_group resumed>) = ? [pid 6023] <... set_robust_list resumed>) = 0 [pid 6022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6021] <... futex resumed>) = 1 [pid 6020] +++ exited with 0 +++ [pid 6019] <... futex resumed>) = 0 [pid 6018] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6015] exit_group(0 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] <... futex resumed>) = 0 [pid 6017] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... exit_group resumed>) = ? [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] <... bpf resumed>) = 4 [pid 6021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6019] +++ exited with 0 +++ [pid 6018] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] <... futex resumed>) = 0 [pid 6023] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6021] <... bpf resumed>) = 4 [pid 6016] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... bpf resumed>) = 3 [pid 6022] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6017] <... futex resumed>) = 0 [pid 6023] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] <... futex resumed>) = 1 [pid 6022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6018] <... futex resumed>) = 0 [pid 6017] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6023] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6021] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 1 [pid 6023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6018] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 1 [pid 6023] <... bpf resumed>) = 4 [pid 6021] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6016] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6023] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6023] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] <... futex resumed>) = 0 [pid 6018] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 0 [pid 6023] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6018] <... futex resumed>) = 1 [pid 6018] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6015] +++ exited with 0 +++ [pid 6014] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6024 attached [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 6025 ./strace-static-x86_64: Process 6025 attached [pid 6025] set_robust_list(0x55558a0856a0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 6024 [pid 6024] set_robust_list(0x55558a0856a0, 24 [pid 6025] <... set_robust_list resumed>) = 0 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] <... prctl resumed>) = 0 [pid 6025] <... prctl resumed>) = 0 [pid 6024] setpgid(0, 0 [pid 6025] setpgid(0, 0 [pid 6024] <... setpgid resumed>) = 0 [pid 6025] <... setpgid resumed>) = 0 [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6024] <... openat resumed>) = 3 [pid 6024] write(3, "1000", 4) = 4 [pid 6024] close(3) = 0 [pid 6024] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6025] <... openat resumed>) = 3 [pid 6023] <... bpf resumed>) = 5 [pid 6022] <... bpf resumed>) = 5 [pid 6021] <... bpf resumed>) = 5 [pid 6025] write(3, "1000", 4 [pid 6024] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6023] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... write resumed>) = 4 [pid 6024] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6023] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 1 [pid 6021] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 6017] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6025] close(3 [pid 6024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6023] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] exit_group(0 [pid 6017] exit_group(0 [pid 6016] exit_group(0 [pid 6025] <... close resumed>) = 0 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] <... futex resumed>) = ? [pid 6021] <... futex resumed>) = ? [pid 6018] <... exit_group resumed>) = ? [pid 6017] <... exit_group resumed>) = ? [pid 6016] <... exit_group resumed>) = ? [pid 6025] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6023] +++ exited with 0 +++ [pid 6022] +++ exited with 0 +++ [pid 6021] +++ exited with 0 +++ [pid 6018] +++ exited with 0 +++ [pid 6025] <... futex resumed>) = 0 [pid 6024] <... mmap resumed>) = 0x7f7b61773000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6025] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6024] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6025] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6024] <... mprotect resumed>) = 0 [pid 6025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6026 attached ) = 0x7f7b61773000 [pid 6024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6026] set_robust_list(0x55558a0856a0, 24 [pid 6025] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6027 attached [pid 6026] <... set_robust_list resumed>) = 0 [pid 6025] <... mprotect resumed>) = 0 [pid 6024] <... clone3 resumed> => {parent_tid=[6027]}, 88) = 6027 [pid 6027] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6025] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6024] rt_sigprocmask(SIG_SETMASK, [], [pid 6027] <... rseq resumed>) = 0 [pid 6026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6027] set_robust_list(0x7f7b617939a0, 24 [pid 6026] <... prctl resumed>) = 0 [pid 6025] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6024] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 6026 [pid 6027] <... set_robust_list resumed>) = 0 [pid 6026] setpgid(0, 0 [pid 6025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6027] rt_sigprocmask(SIG_SETMASK, [], [pid 6026] <... setpgid resumed>) = 0 [pid 6024] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6028 attached [pid 6027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6025] <... clone3 resumed> => {parent_tid=[6028]}, 88) = 6028 [pid 6024] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6027] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6026] <... openat resumed>) = 3 [pid 6025] rt_sigprocmask(SIG_SETMASK, [], [pid 6028] <... rseq resumed>) = 0 [pid 6027] <... bpf resumed>) = 3 [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6028] set_robust_list(0x7f7b617939a0, 24 [pid 6027] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] write(3, "1000", 4 [pid 6025] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... set_robust_list resumed>) = 0 [pid 6027] <... futex resumed>) = 1 [pid 6026] <... write resumed>) = 4 [pid 6025] <... futex resumed>) = 0 [pid 6024] <... futex resumed>) = 0 [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 6027] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] close(3 [pid 6025] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] <... close resumed>) = 0 [pid 6028] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6027] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6028] <... bpf resumed>) = 3 [pid 6026] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 0 [pid 6026] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6028] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... futex resumed>) = 1 [pid 6025] <... futex resumed>) = 0 [pid 6028] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6025] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6025] <... futex resumed>) = 0 [pid 6025] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6027] <... bpf resumed>) = 4 [pid 6026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 6027] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6027] <... futex resumed>) = 1 [pid 6027] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... mprotect resumed>) = 0 [pid 6024] <... futex resumed>) = 0 [pid 6017] +++ exited with 0 +++ [pid 6028] <... bpf resumed>) = 4 [pid 6028] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6024] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 6026] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6025] <... futex resumed>) = 0 [pid 6024] <... futex resumed>) = 1 [pid 6016] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6028] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6025] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6029 attached [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] <... futex resumed>) = 0 [pid 6029] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6028] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6026] <... clone3 resumed> => {parent_tid=[6029]}, 88) = 6029 [pid 6025] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6026] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6026] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 6030 attached [pid 6029] set_robust_list(0x7f7b617939a0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 6030 [pid 6029] <... set_robust_list resumed>) = 0 [pid 6030] set_robust_list(0x55558a0856a0, 24 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6030] <... set_robust_list resumed>) = 0 [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6031 attached [pid 6030] <... prctl resumed>) = 0 [pid 6029] <... bpf resumed>) = 3 [pid 6031] set_robust_list(0x55558a0856a0, 24 [pid 6030] setpgid(0, 0 [pid 6029] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6026] <... futex resumed>) = 0 [pid 6029] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6030] <... setpgid resumed>) = 0 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 6031 [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6029] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6026] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] <... prctl resumed>) = 0 [pid 6030] <... openat resumed>) = 3 [pid 6031] setpgid(0, 0 [pid 6030] write(3, "1000", 4 [pid 6029] <... bpf resumed>) = 4 [pid 6029] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6026] <... futex resumed>) = 0 [pid 6030] <... write resumed>) = 4 [pid 6031] <... setpgid resumed>) = 0 [pid 6029] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] <... futex resumed>) = 0 [pid 6029] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6026] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6030] close(3 [pid 6031] <... openat resumed>) = 3 [pid 6031] write(3, "1000", 4 [pid 6030] <... close resumed>) = 0 [pid 6030] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... write resumed>) = 4 [pid 6030] <... futex resumed>) = 0 [pid 6031] close(3) = 0 [pid 6030] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6031] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6031] <... futex resumed>) = 0 [pid 6031] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 6031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] <... mmap resumed>) = 0x7f7b61773000 [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6031] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6030] <... mmap resumed>) = 0x7f7b61773000 [pid 6031] <... mprotect resumed>) = 0 [pid 6030] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6031] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6030] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6032 attached [pid 6031] <... clone3 resumed> => {parent_tid=[6032]}, 88) = 6032 [pid 6032] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] <... rseq resumed>) = 0 [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] set_robust_list(0x7f7b617939a0, 24 [pid 6031] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6031] <... futex resumed>) = 0 [pid 6030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6032] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6032] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6033 attached [pid 6033] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6032] <... bpf resumed>) = 3 [pid 6030] <... clone3 resumed> => {parent_tid=[6033]}, 88) = 6033 [pid 6033] <... rseq resumed>) = 0 [pid 6032] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] rt_sigprocmask(SIG_SETMASK, [], [pid 6033] set_robust_list(0x7f7b617939a0, 24 [pid 6032] <... futex resumed>) = 1 [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] <... set_robust_list resumed>) = 0 [pid 6030] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6030] <... futex resumed>) = 0 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] <... futex resumed>) = 0 [pid 6030] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6031] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... bpf resumed>) = 3 [pid 6032] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 1 [pid 6033] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6033] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = 0 [pid 6033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6030] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... bpf resumed>) = 4 [pid 6032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6031] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] <... bpf resumed>) = 5 [pid 6033] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6033] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = 0 [pid 6033] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6030] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6027] <... futex resumed>) = 1 [pid 6028] <... bpf resumed>) = 5 [pid 6024] <... futex resumed>) = 0 [pid 6033] <... bpf resumed>) = 5 [pid 6028] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6024] exit_group(0 [pid 6033] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... bpf resumed>) = 4 [pid 6029] <... bpf resumed>) = 5 [pid 6028] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = ? [pid 6025] <... futex resumed>) = 0 [pid 6024] <... exit_group resumed>) = ? [pid 6033] <... futex resumed>) = 1 [pid 6032] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 6029] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] +++ exited with 0 +++ [pid 6025] exit_group(0 [pid 6033] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] <... futex resumed>) = 1 [pid 6031] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = ? [pid 6026] <... futex resumed>) = 0 [pid 6025] <... exit_group resumed>) = ? [pid 6032] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6031] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] +++ exited with 0 +++ [pid 6026] exit_group(0 [pid 6032] <... bpf resumed>) = 5 [pid 6030] exit_group(0 [pid 6024] +++ exited with 0 +++ [pid 6033] <... futex resumed>) = ? [pid 6030] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6033] +++ exited with 0 +++ [pid 6032] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = ? [pid 6026] <... exit_group resumed>) = ? [pid 6032] <... futex resumed>) = 0 [pid 6031] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6030] +++ exited with 0 +++ [pid 6029] +++ exited with 0 +++ [pid 6025] +++ exited with 0 +++ [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6032] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] exit_group(0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5074] <... restart_syscall resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6032] <... futex resumed>) = ? [pid 6031] <... exit_group resumed>) = ? [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6032] +++ exited with 0 +++ [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6035 attached ./strace-static-x86_64: Process 6034 attached ./strace-static-x86_64: Process 6036 attached [pid 6034] set_robust_list(0x55558a0856a0, 24 [pid 6036] set_robust_list(0x55558a0856a0, 24 [pid 6035] set_robust_list(0x55558a0856a0, 24 [pid 6034] <... set_robust_list resumed>) = 0 [pid 6036] <... set_robust_list resumed>) = 0 [pid 6035] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 6035 [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6036] <... prctl resumed>) = 0 [pid 6035] <... prctl resumed>) = 0 [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 6036 [pid 6036] setpgid(0, 0 [pid 6035] setpgid(0, 0 [pid 6034] <... prctl resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 6034 [pid 6036] <... setpgid resumed>) = 0 [pid 6035] <... setpgid resumed>) = 0 [pid 6034] setpgid(0, 0 [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6034] <... setpgid resumed>) = 0 [pid 6036] <... openat resumed>) = 3 [pid 6035] <... openat resumed>) = 3 [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] write(3, "1000", 4 [pid 6035] write(3, "1000", 4 [pid 6036] <... write resumed>) = 4 [pid 6035] <... write resumed>) = 4 [pid 6036] close(3) = 0 [pid 6035] close(3 [pid 6034] <... openat resumed>) = 3 [pid 6035] <... close resumed>) = 0 [pid 6034] write(3, "1000", 4 [pid 6036] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... write resumed>) = 4 [pid 6036] <... futex resumed>) = 0 [pid 6035] <... futex resumed>) = 0 [pid 6034] close(3 [pid 6036] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 6035] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6034] <... close resumed>) = 0 [pid 6036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6035] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6034] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6034] <... futex resumed>) = 0 [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6036] <... mmap resumed>) = 0x7f7b61773000 [pid 6035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6034] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6036] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6035] <... mmap resumed>) = 0x7f7b61773000 [pid 6034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6036] <... mprotect resumed>) = 0 [pid 6035] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6035] <... mprotect resumed>) = 0 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6036] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6035] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6034] <... mmap resumed>) = 0x7f7b61773000 [pid 6026] +++ exited with 0 +++ [pid 6036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6035] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6034] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6031] +++ exited with 0 +++ ./strace-static-x86_64: Process 6037 attached [pid 6035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6034] <... mprotect resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6036] <... clone3 resumed> => {parent_tid=[6037]}, 88) = 6037 ./strace-static-x86_64: Process 6038 attached [pid 6037] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6039 attached [pid 6038] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6037] <... rseq resumed>) = 0 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] <... clone3 resumed> => {parent_tid=[6038]}, 88) = 6038 [pid 6034] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6039] set_robust_list(0x55558a0856a0, 24 [pid 6038] <... rseq resumed>) = 0 [pid 6037] set_robust_list(0x7f7b617939a0, 24 [pid 6036] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6039] <... set_robust_list resumed>) = 0 [pid 6038] set_robust_list(0x7f7b617939a0, 24 [pid 6036] <... futex resumed>) = 0 [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6040 attached ./strace-static-x86_64: Process 6041 attached [pid 6039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6038] <... set_robust_list resumed>) = 0 [pid 6037] <... set_robust_list resumed>) = 0 [pid 6036] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 6039 [pid 6041] set_robust_list(0x55558a0856a0, 24 [pid 6040] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6039] <... prctl resumed>) = 0 [pid 6038] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6035] <... futex resumed>) = 0 [pid 6034] <... clone3 resumed> => {parent_tid=[6040]}, 88) = 6040 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6039] setpgid(0, 0 [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6040] <... rseq resumed>) = 0 [pid 6039] <... setpgid resumed>) = 0 [pid 6038] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6041] <... prctl resumed>) = 0 [pid 6040] set_robust_list(0x7f7b617939a0, 24 [pid 6039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6038] <... bpf resumed>) = 3 [pid 6037] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6034] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 6041 [pid 6041] setpgid(0, 0 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] <... openat resumed>) = 3 [pid 6038] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... bpf resumed>) = 3 [pid 6034] <... futex resumed>) = 0 [pid 6041] <... setpgid resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6039] write(3, "1000", 4 [pid 6038] <... futex resumed>) = 1 [pid 6037] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... futex resumed>) = 0 [pid 6034] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6039] <... write resumed>) = 4 [pid 6038] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6035] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... openat resumed>) = 3 [pid 6040] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6039] close(3 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... futex resumed>) = 0 [pid 6041] write(3, "1000", 4 [pid 6040] <... bpf resumed>) = 3 [pid 6039] <... close resumed>) = 0 [pid 6038] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] <... futex resumed>) = 0 [pid 6035] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... write resumed>) = 4 [pid 6040] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = 1 [pid 6037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6034] <... futex resumed>) = 0 [pid 6036] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] close(3 [pid 6040] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6039] <... futex resumed>) = 0 [pid 6038] <... bpf resumed>) = 4 [pid 6037] <... bpf resumed>) = 4 [pid 6034] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... close resumed>) = 0 [pid 6040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6039] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6038] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6039] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6037] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... futex resumed>) = 0 [pid 6034] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = 0 [pid 6040] <... bpf resumed>) = 4 [pid 6039] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6038] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6035] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6040] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6036] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... futex resumed>) = 0 [pid 6041] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6040] <... futex resumed>) = 1 [pid 6039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6038] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6037] <... bpf resumed>) = 5 [pid 6034] <... futex resumed>) = 0 [pid 6040] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] <... futex resumed>) = 0 [pid 6037] <... futex resumed>) = 0 [pid 6040] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6034] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6037] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6040] <... bpf resumed>) = 5 [pid 6039] <... mmap resumed>) = 0x7f7b61773000 [pid 6038] <... bpf resumed>) = 5 [pid 6036] <... futex resumed>) = 0 [pid 6035] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6039] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6038] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6039] <... mprotect resumed>) = 0 [pid 6038] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] exit_group(0 [pid 6041] <... mmap resumed>) = 0x7f7b61773000 [pid 6039] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6036] exit_group(0 [pid 6035] <... exit_group resumed>) = ? [pid 6041] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6040] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6038] +++ exited with 0 +++ [pid 6037] <... futex resumed>) = ? [pid 6036] <... exit_group resumed>) = ? [pid 6035] +++ exited with 0 +++ [pid 6041] <... mprotect resumed>) = 0 [pid 6040] <... futex resumed>) = 1 [pid 6039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6037] +++ exited with 0 +++ [pid 6034] <... futex resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6042 attached [pid 6041] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6040] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] exit_group(0 [pid 6042] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6041] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6040] <... futex resumed>) = ? [pid 6039] <... clone3 resumed> => {parent_tid=[6042]}, 88) = 6042 [pid 6034] <... exit_group resumed>) = ? [pid 6042] <... rseq resumed>) = 0 [pid 6041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6040] +++ exited with 0 +++ [pid 6039] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6043 attached [pid 6042] set_robust_list(0x7f7b617939a0, 24 [pid 6039] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6044 attached [pid 6043] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] <... clone3 resumed> => {parent_tid=[6043]}, 88) = 6043 [pid 6039] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6043] <... rseq resumed>) = 0 [pid 6043] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 6043] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... restart_syscall resumed>) = 0 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] set_robust_list(0x55558a0856a0, 24 [pid 6043] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] rt_sigprocmask(SIG_SETMASK, [], [pid 6041] rt_sigprocmask(SIG_SETMASK, [], [pid 6039] <... futex resumed>) = 0 [pid 6044] <... set_robust_list resumed>) = 0 [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6039] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6041] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6041] <... futex resumed>) = 1 [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6042] <... bpf resumed>) = 3 [pid 6041] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 6044 [pid 6044] <... prctl resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 6042] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6043] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6042] <... futex resumed>) = 1 [pid 6039] <... futex resumed>) = 0 [pid 6042] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6039] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] setpgid(0, 0 [pid 6043] <... bpf resumed>) = 3 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6039] <... futex resumed>) = 0 [pid 6042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6039] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6045 attached [pid 6044] <... setpgid resumed>) = 0 [pid 6043] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] set_robust_list(0x55558a0856a0, 24 [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6043] <... futex resumed>) = 1 [pid 6042] <... bpf resumed>) = 4 [pid 6041] <... futex resumed>) = 0 [pid 6034] +++ exited with 0 +++ [pid 6045] <... set_robust_list resumed>) = 0 [pid 6044] <... openat resumed>) = 3 [pid 6043] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 6045 [pid 6042] <... futex resumed>) = 1 [pid 6039] <... futex resumed>) = 0 [pid 6044] write(3, "1000", 4 [pid 6042] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6041] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6044] <... write resumed>) = 4 [pid 6043] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6041] <... futex resumed>) = 1 [pid 6039] <... futex resumed>) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6045] <... prctl resumed>) = 0 [pid 6044] close(3 [pid 6043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6041] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] <... restart_syscall resumed>) = 0 [pid 6045] setpgid(0, 0 [pid 6044] <... close resumed>) = 0 [pid 6043] <... bpf resumed>) = 4 [pid 6045] <... setpgid resumed>) = 0 [pid 6044] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6044] <... futex resumed>) = 0 [pid 6044] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6043] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... openat resumed>) = 3 [pid 6044] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6043] <... futex resumed>) = 1 [pid 6041] <... futex resumed>) = 0 [pid 6045] write(3, "1000", 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6045] <... write resumed>) = 4 [pid 6044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6041] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] close(3 [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6045] <... close resumed>) = 0 [pid 6041] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6046 attached [pid 6041] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6045] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] set_robust_list(0x55558a0856a0, 24 [pid 6045] <... futex resumed>) = 0 [pid 6046] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 6046 [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6045] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6044] <... mmap resumed>) = 0x7f7b61773000 [pid 6046] <... prctl resumed>) = 0 [pid 6045] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6044] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6046] setpgid(0, 0 [pid 6045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6042] <... bpf resumed>) = 5 [pid 6046] <... setpgid resumed>) = 0 [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] <... mprotect resumed>) = 0 [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 6044] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6042] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... openat resumed>) = 3 [pid 6045] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6044] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6042] <... futex resumed>) = 1 [pid 6039] <... futex resumed>) = 0 [pid 6044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6043] <... bpf resumed>) = 5 [pid 6042] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... mprotect resumed>) = 0 [pid 6043] <... futex resumed>) = 1 [pid 6041] <... futex resumed>) = 0 [pid 6039] exit_group(0./strace-static-x86_64: Process 6047 attached [pid 6046] write(3, "1000", 4 [pid 6045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6043] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] <... futex resumed>) = ? [pid 6041] exit_group(0 [pid 6039] <... exit_group resumed>) = ? [pid 6047] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6046] <... write resumed>) = 4 [pid 6045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6044] <... clone3 resumed> => {parent_tid=[6047]}, 88) = 6047 [pid 6043] <... futex resumed>) = ? [pid 6042] +++ exited with 0 +++ [pid 6041] <... exit_group resumed>) = ? [pid 6047] <... rseq resumed>) = 0 [pid 6046] close(3 [pid 6045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6044] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6048 attached [pid 6047] set_robust_list(0x7f7b617939a0, 24 [pid 6046] <... close resumed>) = 0 [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6047] <... set_robust_list resumed>) = 0 [pid 6046] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... clone3 resumed> => {parent_tid=[6048]}, 88) = 6048 [pid 6044] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... rseq resumed>) = 0 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6046] <... futex resumed>) = 0 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 6044] <... futex resumed>) = 0 [pid 6048] set_robust_list(0x7f7b617939a0, 24 [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6046] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6045] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] <... bpf resumed>) = 3 [pid 6046] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6045] <... futex resumed>) = 0 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6047] <... futex resumed>) = 1 [pid 6046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6044] <... futex resumed>) = 0 [pid 6048] <... bpf resumed>) = 3 [pid 6046] <... mmap resumed>) = 0x7f7b61773000 [pid 6048] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6048] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6048] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6046] <... mprotect resumed>) = 0 [pid 6045] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] <... bpf resumed>) = 4 [pid 6046] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6045] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6046] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6045] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... bpf resumed>) = 4 [pid 6046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6048] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6049 attached ) = 1 [pid 6047] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = 0 [pid 6049] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6048] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] +++ exited with 0 +++ [pid 6046] <... clone3 resumed> => {parent_tid=[6049]}, 88) = 6049 [pid 6049] <... rseq resumed>) = 0 [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6045] <... futex resumed>) = 0 [pid 6049] set_robust_list(0x7f7b617939a0, 24 [pid 6048] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6049] <... set_robust_list resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6049] rt_sigprocmask(SIG_SETMASK, [], [pid 6048] <... bpf resumed>) = 5 [pid 6047] <... futex resumed>) = 1 [pid 6046] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = 0 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] <... futex resumed>) = 0 [pid 6044] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... restart_syscall resumed>) = 0 [pid 6049] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6048] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] <... futex resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6049] <... bpf resumed>) = 3 [pid 6048] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6045] exit_group(0 [pid 6044] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6049] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = ? [pid 6045] <... exit_group resumed>) = ? [pid 6049] <... futex resumed>) = 1 [pid 6048] +++ exited with 0 +++ [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6046] <... futex resumed>) = 0 [pid 6049] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6050 attached [pid 6046] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... futex resumed>) = 0 [pid 6046] <... futex resumed>) = 1 [pid 6049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6046] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 6050 [pid 6050] set_robust_list(0x55558a0856a0, 24) = 0 [pid 6049] <... bpf resumed>) = 4 [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6049] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] setpgid(0, 0 [pid 6046] <... futex resumed>) = 0 [pid 6050] <... setpgid resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6046] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6049] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6046] <... futex resumed>) = 0 [pid 6050] <... openat resumed>) = 3 [pid 6046] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6050] write(3, "1000", 4) = 4 [pid 6050] close(3) = 0 [pid 6050] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6050] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, NULL, 8) = 0 [pid 6050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 6050] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6047] <... bpf resumed>) = 5 [pid 6043] +++ exited with 0 +++ [pid 6041] +++ exited with 0 +++ [pid 6050] <... mprotect resumed>) = 0 [pid 6047] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6044] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6047] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] exit_group(0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 6050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6047] <... futex resumed>) = ? [pid 6044] <... exit_group resumed>) = ? [pid 5076] <... restart_syscall resumed>) = 0 [pid 6050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6047] +++ exited with 0 +++ ./strace-static-x86_64: Process 6051 attached [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6051] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6050] <... clone3 resumed> => {parent_tid=[6051]}, 88) = 6051 [pid 6051] <... rseq resumed>) = 0 [pid 6051] set_robust_list(0x7f7b617939a0, 24 [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 6051] <... set_robust_list resumed>) = 0 [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], [pid 6050] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6050] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6052 attached [pid 6051] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 6052 [pid 6052] set_robust_list(0x55558a0856a0, 24) = 0 [pid 6051] <... bpf resumed>) = 3 [pid 6051] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6051] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6050] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... prctl resumed>) = 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... futex resumed>) = 0 [pid 6049] <... bpf resumed>) = 5 [pid 6045] +++ exited with 0 +++ [pid 6051] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6050] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] setpgid(0, 0 [pid 6049] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6052] <... setpgid resumed>) = 0 [pid 6051] <... bpf resumed>) = 4 [pid 6049] <... futex resumed>) = 1 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 6046] <... futex resumed>) = 0 [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6046] exit_group(0 [pid 5078] <... restart_syscall resumed>) = 0 [pid 6051] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... exit_group resumed>) = ? [pid 6052] <... openat resumed>) = 3 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6049] +++ exited with 0 +++ [pid 6052] write(3, "1000", 4) = 4 [pid 6052] close(3) = 0 [pid 6052] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6050] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6050] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6052] <... futex resumed>) = 0 [pid 6052] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, ./strace-static-x86_64: Process 6053 attached [pid 6044] +++ exited with 0 +++ [pid 6046] +++ exited with 0 +++ [pid 6053] set_robust_list(0x55558a0856a0, 24 [pid 6052] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 6053 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] <... prctl resumed>) = 0 [pid 6052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6053] setpgid(0, 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6053] <... setpgid resumed>) = 0 [pid 6052] <... mmap resumed>) = 0x7f7b61773000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6052] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] <... mprotect resumed>) = 0 [pid 6052] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6055 attached ./strace-static-x86_64: Process 6054 attached [pid 6053] <... openat resumed>) = 3 [pid 6055] set_robust_list(0x55558a0856a0, 24 [pid 6054] set_robust_list(0x55558a0856a0, 24 [pid 6052] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 6054 [pid 6054] <... set_robust_list resumed>) = 0 [pid 6053] write(3, "1000", 4 [pid 6052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6055] <... set_robust_list resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 6055 ./strace-static-x86_64: Process 6056 attached [pid 6055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] <... write resumed>) = 4 [pid 6056] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] close(3 [pid 6052] <... clone3 resumed> => {parent_tid=[6056]}, 88) = 6056 [pid 6056] <... rseq resumed>) = 0 [pid 6055] <... prctl resumed>) = 0 [pid 6054] <... prctl resumed>) = 0 [pid 6053] <... close resumed>) = 0 [pid 6052] rt_sigprocmask(SIG_SETMASK, [], [pid 6056] set_robust_list(0x7f7b617939a0, 24 [pid 6055] setpgid(0, 0 [pid 6056] <... set_robust_list resumed>) = 0 [pid 6055] <... setpgid resumed>) = 0 [pid 6054] setpgid(0, 0 [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] rt_sigprocmask(SIG_SETMASK, [], [pid 6055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6054] <... setpgid resumed>) = 0 [pid 6053] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6055] <... openat resumed>) = 3 [pid 6052] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6055] write(3, "1000", 4 [pid 6056] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6053] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6052] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] <... bpf resumed>) = 5 [pid 6055] <... write resumed>) = 4 [pid 6051] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6051] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] exit_group(0 [pid 6051] <... futex resumed>) = ? [pid 6056] <... bpf resumed>) = 3 [pid 6051] +++ exited with 0 +++ [pid 6050] <... exit_group resumed>) = ? [pid 6056] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] close(3 [pid 6054] <... openat resumed>) = 3 [pid 6053] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6056] <... futex resumed>) = 1 [pid 6055] <... close resumed>) = 0 [pid 6053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6052] <... futex resumed>) = 0 [pid 6056] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] write(3, "1000", 4 [pid 6052] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] +++ exited with 0 +++ [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] <... futex resumed>) = 0 [pid 6054] <... write resumed>) = 4 [pid 6053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6052] <... futex resumed>) = 0 [pid 6056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6055] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6054] close(3 [pid 6053] <... mmap resumed>) = 0x7f7b61773000 [pid 6052] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6055] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6054] <... close resumed>) = 0 [pid 6053] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6056] <... bpf resumed>) = 4 [pid 6055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6054] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... mprotect resumed>) = 0 [pid 6056] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6053] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6057 attached [pid 6056] <... futex resumed>) = 1 [pid 6055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6054] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6053] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6056] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] <... mmap resumed>) = 0x7f7b61773000 [pid 6054] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6057] set_robust_list(0x55558a0856a0, 24 [pid 6053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6052] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6058 attached [pid 6057] <... set_robust_list resumed>) = 0 [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6052] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 6057 [pid 6058] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6056] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6055] <... mprotect resumed>) = 0 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] <... clone3 resumed> => {parent_tid=[6058]}, 88) = 6058 [pid 6052] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6058] <... rseq resumed>) = 0 [pid 6057] <... prctl resumed>) = 0 [pid 6055] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] set_robust_list(0x7f7b617939a0, 24 [pid 6057] setpgid(0, 0 [pid 6055] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] <... set_robust_list resumed>) = 0 [pid 6057] <... setpgid resumed>) = 0 [pid 6055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6054] <... mmap resumed>) = 0x7f7b61773000 [pid 6053] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6053] <... futex resumed>) = 0 [pid 6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6053] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6059 attached [pid 6059] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053) = 0 [pid 6059] set_robust_list(0x7f7b617939a0, 24) = 0 [pid 6059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6059] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] <... clone3 resumed> => {parent_tid=[6059]}, 88) = 6059 [pid 6057] <... openat resumed>) = 3 [pid 6058] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6055] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] <... bpf resumed>) = 3 [pid 6057] write(3, "1000", 4 [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] <... mprotect resumed>) = 0 [pid 6058] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... write resumed>) = 4 [pid 6055] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... futex resumed>) = 0 [pid 6057] close(3 [pid 6055] <... futex resumed>) = 1 [pid 6059] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6058] <... futex resumed>) = 1 [pid 6057] <... close resumed>) = 0 [pid 6055] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6053] <... futex resumed>) = 0 [pid 6059] <... bpf resumed>) = 3 [pid 6053] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6059] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... futex resumed>) = 1 [pid 6055] <... futex resumed>) = 0 [pid 6059] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... bpf resumed>) = 5 [pid 6055] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6057] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] <... futex resumed>) = 0 [pid 6056] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6060 attached [pid 6060] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6057] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6055] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... rseq resumed>) = 0 [pid 6059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6056] <... futex resumed>) = 1 [pid 6052] <... futex resumed>) = 0 [pid 6060] set_robust_list(0x7f7b617939a0, 24 [pid 6057] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6054] <... clone3 resumed> => {parent_tid=[6060]}, 88) = 6060 [pid 6060] <... set_robust_list resumed>) = 0 [pid 6057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6052] exit_group(0 [pid 6054] rt_sigprocmask(SIG_SETMASK, [], [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 6052] <... exit_group resumed>) = ? [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] <... bpf resumed>) = 4 [pid 6058] <... bpf resumed>) = 4 [pid 6057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6056] +++ exited with 0 +++ [pid 6060] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... mmap resumed>) = 0x7f7b61773000 [pid 6054] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] +++ exited with 0 +++ [pid 6060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6054] <... futex resumed>) = 0 [pid 6060] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6059] <... futex resumed>) = 1 [pid 6055] <... futex resumed>) = 0 [pid 6054] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6060] <... bpf resumed>) = 3 [pid 6059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6058] <... futex resumed>) = 1 [pid 6057] <... mprotect resumed>) = 0 [pid 6055] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 6060] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] <... futex resumed>) = 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6055] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6058] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6057] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6054] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6054] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] <... clone3 resumed> => {parent_tid=[6061]}, 88) = 6061 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6057] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6061 attached ./strace-static-x86_64: Process 6062 attached [pid 6060] <... bpf resumed>) = 4 [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6061] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6057] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] set_robust_list(0x55558a0856a0, 24 [pid 6061] <... rseq resumed>) = 0 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6061] set_robust_list(0x7f7b617939a0, 24 [pid 6060] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = 0 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6061] <... set_robust_list resumed>) = 0 [pid 6062] <... prctl resumed>) = 0 [pid 6061] rt_sigprocmask(SIG_SETMASK, [], [pid 6060] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] setpgid(0, 0 [pid 6061] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... bpf resumed>) = 5 [pid 6058] <... bpf resumed>) = 5 [pid 6057] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... futex resumed>) = 0 [pid 6062] <... setpgid resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 6062 [pid 6061] <... bpf resumed>) = 3 [pid 6060] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6058] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6058] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6058] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] exit_group(0 [pid 6058] <... futex resumed>) = ? [pid 6053] <... exit_group resumed>) = ? [pid 6058] +++ exited with 0 +++ [pid 6059] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6061] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... bpf resumed>) = 5 [pid 6059] <... futex resumed>) = 1 [pid 6055] <... futex resumed>) = 0 [pid 6062] <... openat resumed>) = 3 [pid 6061] <... futex resumed>) = 1 [pid 6060] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = 0 [pid 6062] write(3, "1000", 4 [pid 6061] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... futex resumed>) = 1 [pid 6057] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] exit_group(0 [pid 6054] <... futex resumed>) = 0 [pid 6062] <... write resumed>) = 4 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] <... futex resumed>) = ? [pid 6057] <... futex resumed>) = 0 [pid 6055] <... exit_group resumed>) = ? [pid 6054] exit_group(0 [pid 6053] +++ exited with 0 +++ [pid 6062] close(3 [pid 6061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6060] <... futex resumed>) = ? [pid 6059] +++ exited with 0 +++ [pid 6057] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... exit_group resumed>) = ? [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6062] <... close resumed>) = 0 [pid 6061] <... bpf resumed>) = 4 [pid 6060] +++ exited with 0 +++ [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 6062] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... restart_syscall resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6057] <... futex resumed>) = 0 [pid 6062] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6061] <... futex resumed>) = 1 [pid 6062] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6057] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6057] <... futex resumed>) = 0 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7b61773000 [pid 6062] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6055] +++ exited with 0 +++ [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 6063 attached [pid 6054] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 6063 ./strace-static-x86_64: Process 6064 attached [pid 6064] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6062] <... clone3 resumed> => {parent_tid=[6064]}, 88) = 6064 [pid 6064] <... rseq resumed>) = 0 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6064] set_robust_list(0x7f7b617939a0, 24 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] <... set_robust_list resumed>) = 0 [pid 6062] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6065 attached [pid 6064] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] <... futex resumed>) = 0 [pid 6065] set_robust_list(0x55558a0856a0, 24 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] set_robust_list(0x55558a0856a0, 24 [pid 6062] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] <... set_robust_list resumed>) = 0 [pid 6064] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6063] <... set_robust_list resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 6065 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6064] <... bpf resumed>) = 3 [pid 6065] <... prctl resumed>) = 0 [pid 6064] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] setpgid(0, 0 [pid 6064] <... futex resumed>) = 1 [pid 6065] <... setpgid resumed>) = 0 [pid 6064] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] <... futex resumed>) = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6062] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000) = 1 ./strace-static-x86_64: Process 6066 attached [pid 6065] <... openat resumed>) = 3 [pid 6064] <... futex resumed>) = 0 [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6062] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] <... bpf resumed>) = 5 [pid 6065] write(3, "1000", 4 [pid 6064] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6066] set_robust_list(0x55558a0856a0, 24 [pid 6063] <... prctl resumed>) = 0 [pid 6066] <... set_robust_list resumed>) = 0 [pid 6061] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 6066 [pid 6063] setpgid(0, 0 [pid 6061] <... futex resumed>) = 1 [pid 6066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6065] <... write resumed>) = 4 [pid 6063] <... setpgid resumed>) = 0 [pid 6061] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = 0 [pid 6066] <... prctl resumed>) = 0 [pid 6065] close(3 [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6057] exit_group(0 [pid 6066] setpgid(0, 0 [pid 6065] <... close resumed>) = 0 [pid 6061] <... futex resumed>) = ? [pid 6057] <... exit_group resumed>) = ? [pid 6064] <... bpf resumed>) = 4 [pid 6066] <... setpgid resumed>) = 0 [pid 6063] <... openat resumed>) = 3 [pid 6066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] write(3, "1000", 4 [pid 6061] +++ exited with 0 +++ [pid 6066] <... openat resumed>) = 3 [pid 6065] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6065] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6063] <... write resumed>) = 4 [pid 6062] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6063] close(3 [pid 6062] <... futex resumed>) = 0 [pid 6063] <... close resumed>) = 0 [pid 6066] write(3, "1000", 4 [pid 6065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6064] <... bpf resumed>) = 5 [pid 6063] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6066] <... write resumed>) = 4 [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6066] close(3 [pid 6063] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6064] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... close resumed>) = 0 [pid 6063] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6066] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... mmap resumed>) = 0x7f7b61773000 [pid 6064] <... futex resumed>) = 1 [pid 6063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6062] <... futex resumed>) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] exit_group(0 [pid 6066] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6065] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6062] <... exit_group resumed>) = ? [pid 6066] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6063] <... mmap resumed>) = 0x7f7b61773000 [pid 6066] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6063] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] <... mprotect resumed>) = 0 [pid 6066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6065] <... mprotect resumed>) = 0 [pid 6066] <... mmap resumed>) = 0x7f7b61773000 [pid 6063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6066] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6066] <... mprotect resumed>) = 0 [pid 6065] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0}./strace-static-x86_64: Process 6067 attached [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6066] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6068 attached [pid 6067] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6066] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6063] <... clone3 resumed> => {parent_tid=[6067]}, 88) = 6067 [pid 6068] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6067] <... rseq resumed>) = 0 [pid 6066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] <... rseq resumed>) = 0 [pid 6067] set_robust_list(0x7f7b617939a0, 24 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6069 attached [pid 6068] set_robust_list(0x7f7b617939a0, 24 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6065] <... clone3 resumed> => {parent_tid=[6068]}, 88) = 6068 [pid 6063] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] <... clone3 resumed> => {parent_tid=[6069]}, 88) = 6069 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6063] <... futex resumed>) = 0 [pid 6069] <... rseq resumed>) = 0 [pid 6068] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] set_robust_list(0x7f7b617939a0, 24 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... set_robust_list resumed>) = 0 [pid 6068] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6067] <... bpf resumed>) = 3 [pid 6066] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6069] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = 0 [pid 6065] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] <... bpf resumed>) = 3 [pid 6067] <... futex resumed>) = 1 [pid 6066] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... futex resumed>) = 0 [pid 6069] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6068] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6063] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... bpf resumed>) = 3 [pid 6068] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6057] +++ exited with 0 +++ [pid 6068] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... bpf resumed>) = 4 [pid 6065] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... futex resumed>) = 0 [pid 6069] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6063] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6069] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6067] <... futex resumed>) = 0 [pid 6066] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] +++ exited with 0 +++ [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] +++ exited with 0 +++ [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... restart_syscall resumed>) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6063] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... bpf resumed>) = 4 [pid 6067] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6066] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... futex resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6069] <... bpf resumed>) = 4 [pid 6068] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 6069] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6069] <... futex resumed>) = 1 [pid 6068] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6066] <... futex resumed>) = 0 [pid 6065] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... restart_syscall resumed>) = 0 [pid 6069] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] <... futex resumed>) = 0 [pid 6065] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 6070 attached [pid 6069] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6066] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6070] set_robust_list(0x55558a0856a0, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55558a085690) = 6070 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6070] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6071 attached [pid 6070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6071] set_robust_list(0x55558a0856a0, 24 [pid 6070] <... prctl resumed>) = 0 [pid 6071] <... set_robust_list resumed>) = 0 [pid 6070] setpgid(0, 0 [pid 6071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6070] <... setpgid resumed>) = 0 [pid 6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6071] <... prctl resumed>) = 0 [pid 6071] setpgid(0, 0 [pid 5076] <... clone resumed>, child_tidptr=0x55558a085690) = 6071 [pid 6071] <... setpgid resumed>) = 0 [pid 6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6070] <... openat resumed>) = 3 [pid 6071] <... openat resumed>) = 3 [pid 6071] write(3, "1000", 4) = 4 [pid 6070] write(3, "1000", 4 [pid 6071] close(3 [pid 6070] <... write resumed>) = 4 [pid 6071] <... close resumed>) = 0 [pid 6070] close(3 [pid 6071] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... close resumed>) = 0 [pid 6069] <... bpf resumed>) = 5 [pid 6068] <... bpf resumed>) = 5 [pid 6067] <... bpf resumed>) = 5 [pid 6071] <... futex resumed>) = 0 [pid 6070] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6070] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6071] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6070] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6069] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] exit_group(0 [pid 6071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6070] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = ? [pid 6067] <... futex resumed>) = 1 [pid 6066] <... futex resumed>) = 0 [pid 6065] <... exit_group resumed>) = ? [pid 6063] <... futex resumed>) = 0 [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6069] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] +++ exited with 0 +++ [pid 6067] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] <... mmap resumed>) = 0x7f7b61773000 [pid 6070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6071] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6070] <... mmap resumed>) = 0x7f7b61773000 [pid 6071] <... mprotect resumed>) = 0 [pid 6071] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6066] exit_group(0 [pid 6063] exit_group(0 [pid 6069] <... futex resumed>) = ? [pid 6066] <... exit_group resumed>) = ? [pid 6063] <... exit_group resumed>) = ? [pid 6067] <... futex resumed>) = ? [pid 6069] +++ exited with 0 +++ [pid 6067] +++ exited with 0 +++ [pid 6071] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6070] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6070] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6072 attached [pid 6070] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6072] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053 [pid 6071] <... clone3 resumed> => {parent_tid=[6072]}, 88) = 6072 [pid 6072] <... rseq resumed>) = 0 [pid 6071] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6072] set_robust_list(0x7f7b617939a0, 24 [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7b61793990, parent_tid=0x7f7b61793990, exit_signal=0, stack=0x7f7b61773000, stack_size=0x20300, tls=0x7f7b617936c0} [pid 6072] <... set_robust_list resumed>) = 0 [pid 6071] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] +++ exited with 0 +++ [pid 6072] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] <... futex resumed>) = 0 [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6066, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6070] <... clone3 resumed> => {parent_tid=[6073]}, 88) = 6073 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6072] <... bpf resumed>) = 3 [pid 6070] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] +++ exited with 0 +++ [pid 5074] <... restart_syscall resumed>) = 0 [pid 6072] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6072] <... futex resumed>) = 1 [pid 6071] <... futex resumed>) = 0 [pid 6070] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6072] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6071] <... futex resumed>) = 0 [pid 6070] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6073 attached [pid 6071] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] rseq(0x7f7b61793fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 6074 attached ) = 0 [pid 6072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6073] set_robust_list(0x7f7b617939a0, 24 [pid 6063] +++ exited with 0 +++ [pid 6074] set_robust_list(0x55558a0856a0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x55558a085690) = 6074 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6074] <... set_robust_list resumed>) = 0 [pid 6073] <... set_robust_list resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6073] rt_sigprocmask(SIG_SETMASK, [], [pid 6074] <... prctl resumed>) = 0 [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6072] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 6075 attached [pid 6074] setpgid(0, 0 [pid 6073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=8, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6072] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6075] set_robust_list(0x55558a0856a0, 24 [pid 6074] <... setpgid resumed>) = 0 [pid 6073] <... bpf resumed>) = 3 [pid 6072] <... futex resumed>) = 1 [pid 6071] <... futex resumed>) = 0 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6073] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... clone resumed>, child_tidptr=0x55558a085690) = 6075 ./strace-static-x86_64: Process 6076 attached [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6073] <... futex resumed>) = 1 [pid 6072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6071] <... futex resumed>) = 0 [pid 6070] <... futex resumed>) = 0 [pid 6076] set_robust_list(0x55558a0856a0, 24 [pid 6073] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6070] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x55558a085690) = 6076 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6075] <... prctl resumed>) = 0 [pid 6074] <... openat resumed>) = 3 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... futex resumed>) = 0 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] setpgid(0, 0 [pid 6074] write(3, "1000", 4 [pid 6073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x20000300, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 114 [pid 6070] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] <... prctl resumed>) = 0 [pid 6075] <... setpgid resumed>) = 0 [pid 6074] <... write resumed>) = 4 [pid 6076] setpgid(0, 0) = 0 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6074] close(3 [pid 6073] <... bpf resumed>) = 4 [pid 6072] <... bpf resumed>) = 5 [pid 6074] <... close resumed>) = 0 [pid 6073] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... openat resumed>) = 3 [pid 6074] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6076] <... openat resumed>) = 3 [pid 6074] <... futex resumed>) = 0 [pid 6072] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] futex(0x7f7b61862328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6076] write(3, "1000", 4 [pid 6075] write(3, "1000", 4 [pid 6074] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6072] <... futex resumed>) = 1 [pid 6071] <... futex resumed>) = 0 [pid 6070] <... futex resumed>) = 0 [pid 6076] <... write resumed>) = 4 [pid 6075] <... write resumed>) = 4 [pid 6074] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6073] <... bpf resumed>) = 5 [pid 6072] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] exit_group(0 [pid 6070] futex(0x7f7b6186232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 6076] close(3 [pid 6075] close(3 [pid 6074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6072] <... futex resumed>) = ? [pid 6071] <... exit_group resumed>) = ? [pid 6076] <... close resumed>) = 0 [pid 6075] <... close resumed>) = 0 [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6073] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] +++ exited with 0 +++ [pid 6075] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6075] <... futex resumed>) = 0 [pid 6076] futex(0x7f7b6186232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 0 [pid 6075] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6074] <... mmap resumed>) = 0x7f7b61773000 [pid 6073] futex(0x7f7b61862328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] exit_group(0 [pid 6076] rt_sigaction(SIGRT_1, {sa_handler=0x7f7b617fe690, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7b617efd10}, [pid 6075] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6074] mprotect(0x7f7b61774000, 131072, PROT_READ|PROT_WRITE [pid 6073] <... futex resumed>) = ? [pid 6070] <... exit_group resumed>) = ? [pid 6076] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6074] <... mprotect resumed>) = 0 [pid 6073] +++ exited with 0 +++ [pid 6076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0