rnouten@bird:~/progs/alsa-midi-latency-test$ chrt -f 50 ./src/alsa-midi-latency-test -s 40 --input 28:0 --output 28:0
> calibrating high precision timer loop.. done.
time diff =                           0.00
loops/sec =            8661432571218325.00

> sampling 10000 midi latency values - please wait..
> press Ctrl+C to abort test.
> skipping first 40 latency samples.

sample; latency_ms; latency_ms_worst
    41;       2.30;       2.30     
    42;       2.78;       2.78     
    43;       2.81;       2.81     
   165;       2.85;       2.85     
   166;       2.86;       2.86     
   167;       2.91;       2.91     
   567;       2.93;       2.93     
   666;       2.93;       2.93     
   667;       2.97;       2.97     
  1110;       3.17;       3.17     
  2581;       3.41;       3.41     
  2582;       3.59;       3.59     
 10000;       2.26;       3.59     
> done.

> latency distribution:
...
  1.1 -  1.2 ms:        7 #
...
  1.5 -  1.6 ms:        2 #
  1.6 -  1.7 ms:        8 #
  1.7 -  1.8 ms:       37 #
  1.8 -  1.9 ms:       12 #
  1.9 -  2.0 ms:        6 #
  2.0 -  2.1 ms:       11 #
  2.1 -  2.2 ms:       10 #
  2.2 -  2.3 ms:     7131 ###################################################
  2.3 -  2.4 ms:     2114 ###############
  2.4 -  2.5 ms:       74 #
  2.5 -  2.6 ms:      345 ###
  2.6 -  2.7 ms:      172 ##
  2.7 -  2.8 ms:       26 #
  2.8 -  2.9 ms:       16 #
  2.9 -  3.0 ms:       21 #
...
  3.1 -  3.2 ms:        1 #
  3.2 -  3.3 ms:        2 #
...
  3.4 -  3.5 ms:        2 #
  3.5 -  3.6 ms:        1 #