Summary of events:

 tls_echo (1052378), 980467 events, 100.0%

   syscall            calls  errors  total       min       avg       max       stddev
                                     (msec)    (msec)    (msec)    (msec)        (%)
   --------------- --------  ------ -------- --------- --------- ---------     ------
   epoll_wait         11427      0  1344.440     0.001     0.118     1.887      0.92%
   brk               424593      0   988.189     0.001     0.002     0.443      0.16%
   sendto              3813      0    51.296     0.008     0.013     0.260      0.73%
   recvfrom           15155   7564    21.911     0.001     0.001     0.260      2.21%
   accept4             7615   3811    18.680     0.001     0.002     0.060      0.78%
   close               3812      0    18.010     0.003     0.005     0.287      1.90%
   write               7597      0    15.846     0.001     0.002     0.186      1.56%
   fcntl               7624      0     7.955     0.001     0.001     0.179      2.29%
   epoll_ctl           3769      0     5.700     0.001     0.002     0.031      0.61%
   getpeername         3811      0     3.895     0.001     0.001     0.026      1.02%


established in the whole run: 6774