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17697 ????( <detached ...>% time     seconds  usecs/call     calls    errors syscall------ ----------- ----------- --------- --------- ---------------- 63.19    0.030363          68       449        94 futex 34.70    0.016672       16672         1           epoll_wait  1.58    0.000761           6       129           mprotect  0.40    0.000193           3        58           madvise  0.11    0.000055           3        17           brk  0.01    0.000003           0        32           mmap  0.00    0.000000           0        20         1 read  0.00    0.000000           0         1           write  0.00    0.000000           0        14           open  0.00    0.000000           0        17           close  0.00    0.000000           0        10           fstat  0.00    0.000000           0        10           munmap  0.00    0.000000           0         5           rt_sigaction  0.00    0.000000           0         1           rt_sigprocmask  0.00    0.000000           0         4         4 ioctl  0.00    0.000000           0         8         8 access  0.00    0.000000           0         6           sched_yield  0.00    0.000000           0         3           clone  0.00    0.000000           0         1           execve  0.00    0.000000           0         3           fcntl  0.00    0.000000           0         5           getcwd  0.00    0.000000           0         2           getrlimit  0.00    0.000000           0         9           sigaltstack  0.00    0.000000           0         3           prctl  0.00    0.000000           0         1           arch_prctl  0.00    0.000000           0         3           sched_getaffinity  0.00    0.000000           0         1           set_tid_address  0.00    0.000000           0         1           epoll_ctl  0.00    0.000000           0         4           set_robust_list  0.00    0.000000           0         1           epoll_create1  0.00    0.000000           0         1           pipe2  0.00    0.000000           0         1           getrandom------ ----------- ----------- --------- --------- ----------------100.00    0.048047                   821       107 total