Hi, Gesendet: Montag, 12. Juni 2017 um 18:45 Uhr Von: "Chris Friesen" <chris.friesen@xxxxxxxxxxxxx> ... >> A few notes on what you have done: >> >> * ionice doesn't affect network I/O. >> * renice does not set real-time priorities. > > Good point...the OP probably wants something like "sudo chrt <prio> <cmd> ...." Ok, i added chrt in the script: ionice -c3 -p $$ renice +19 -p $$ chrt -f -p 99 $$ ping -q -s 28 -l 1 -p 0f1e2d3c4b5a6978 -i 0.001 localhost and now the worst case latency is about twice the value measured with cyclictest: 27893223 packets transmitted, 27893223 received, 0% packet loss, time 27921273ms rtt min/avg/max/mdev = 0.022/0.023/0.280/0.006 ms >> * You don't do anything with memory locking. What happens >> if memory in your program gets paged out then is required? I use much RAM and no swap, so i have implicit memory locking. Regards, Rolf -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
