% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 41.51    0.018405        1415        13         5 wait4
 33.96    0.015060           7      2080      1024 chdir
 18.34    0.008131         338        24           futex
  1.52    0.000674          84         8           clone
  1.34    0.000595           4       136           rt_sigprocmask
  1.20    0.000530          16        32           clone3
  0.61    0.000269           8        33           rseq
  0.58    0.000256           8        32           madvise
  0.36    0.000160           4        36           mprotect
  0.27    0.000120           2        41           set_robust_list
  0.27    0.000119           3        38           mmap
  0.04    0.000017           1        17           brk
  0.01    0.000004           0         8           getrandom
  0.00    0.000002           0         8           rt_sigaction
  0.00    0.000000           0         1         1 faccessat
  0.00    0.000000           0         2           openat
  0.00    0.000000           0         2           close
  0.00    0.000000           0         1           read
  0.00    0.000000           0         2           fstat
  0.00    0.000000           0         1           set_tid_address
  0.00    0.000000           0         3           munmap
  0.00    0.000000           0         1           execve
  0.00    0.000000           0         1           prlimit64
------ ----------- ----------- --------- --------- ----------------
100.00    0.044342          17      2520      1030 total