Re: [LTP] [PATCH] sched/core: Use empty mask to reset cpumasks in sched_setaffinity()

From: Cyril Hrubis
Date: Mon Jul 17 2023 - 10:40:05 EST


Hi!
> Running tests.......
> <<<test_start>>>
> tag=sched_setaffinity01 stime=1689382567
> cmdline="sched_setaffinity01"
> contacts=""
> analysis=exit
> <<<test_output>>>
> tst_test.c:1558: TINFO: Timeout per run is 0h 02m 30s
> sched_setaffinity01.c:83: TPASS: sched_setaffinity() failed: EFAULT (14)
> sched_setaffinity01.c:73: TFAIL: sched_setaffinity() succeded unexpectedly
> tst_test.c:1612: TINFO: If you are running on slow machine, try exporting LTP_TIMEOUT_MUL > 1
> tst_test.c:1614: TBROK: Test killed! (timeout?)

So what the test does is that it sets empty affinity mask to
sched_setaffinity() and expects EINVAL. Instead it looks like the call
now succeeeds, the test stops getting schedulled and is killed by
timeout.

--
Cyril Hrubis
chrubis@xxxxxxx