> From: Thomas Monjalon [mailto:tho...@monjalon.net] > Sent: Thursday, 26 October 2023 15.37 > > 25/10/2023 18:31, Thomas Monjalon: > > Real-time thread priority was been forbidden on Unix > > because of problems they can cause. > > Warnings and helpers are added to avoid deadlocks, > > so real-time can be allowed on all systems. > > Unit test is failing: > DPDK:fast-tests / threads_autotest TIMEOUT 600.01 s > > It is seen in only 1 target (maybe the failure occurence is random): > Debian 11 (Buster) (ARM) | PASS > Fedora 37 (ARM) | PASS > CentOS Stream 9 (ARM) | FAIL > Fedora 38 (ARM) | PASS > Fedora 38 (ARM Clang) | PASS > Ubuntu 20.04 (ARM) | PASS > > I need to send a v4 with new implementation and better comments. > The Unix sleep will be upgraded from 1 ns to 1 us in case it makes a > difference.
It will not make a difference. The kernel will go through the sleeping steps, then wake up again and see the real-time thread is ready to run, and then immediately schedule it. For testing purposes, consider sleeping 10 milliseconds or something significant like that.
