% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 42.50    0.017641           8      2080      1024 chdir
 29.79    0.012366        1030        12         4 wait4
 23.09    0.009584         456        21           futex
  1.66    0.000688           5       136           rt_sigprocmask
  0.90    0.000375          11        32           madvise
  0.82    0.000342          10        32           clone3
  0.42    0.000173           5        33           rseq
  0.34    0.000141           3        36           mprotect
  0.28    0.000117           2        41           set_robust_list
  0.13    0.000056           1        38           mmap
  0.04    0.000015           0        17           brk
  0.01    0.000004           0         8           rt_sigaction
  0.01    0.000004           0         8           getrandom
  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         8           clone
  0.00    0.000000           0         1           execve
  0.00    0.000000           0         1           prlimit64
------ ----------- ----------- --------- --------- ----------------
100.00    0.041506          16      2516      1029 total