% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 43.19    0.019537           9      2080      1024 chdir
 28.79    0.013024        1184        11         3 wait4
 23.19    0.010492         388        27           futex
  1.37    0.000621          77         8           clone
  1.16    0.000523           3       136           rt_sigprocmask
  0.81    0.000366          11        32           madvise
  0.73    0.000330          10        32           clone3
  0.21    0.000097           2        33           rseq
  0.21    0.000093           2        41           set_robust_list
  0.18    0.000081           2        36           mprotect
  0.16    0.000073           1        38           mmap
  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         8           rt_sigaction
  0.00    0.000000           0        17           brk
  0.00    0.000000           0         3           munmap
  0.00    0.000000           0         1           execve
  0.00    0.000000           0         1           prlimit64
  0.00    0.000000           0         8           getrandom
------ ----------- ----------- --------- --------- ----------------
100.00    0.045237          17      2521      1028 total