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Message-ID: <ZLVS_ANORaZO_ZIE@yuki>
Date: Mon, 17 Jul 2023 16:41:00 +0200
From: Cyril Hrubis <chrubis@...e.cz>
To: kernel test robot <oliver.sang@...el.com>
Cc: Waiman Long <longman@...hat.com>,
Juri Lelli <juri.lelli@...hat.com>,
Brent Rowsell <browsell@...hat.com>,
Valentin Schneider <vschneid@...hat.com>,
Phil Auld <pauld@...hat.com>,
Vincent Guittot <vincent.guittot@...aro.org>,
yu.c.chen@...el.com, Peter Zijlstra <peterz@...radead.org>,
aubrey.li@...ux.intel.com, linux-kernel@...r.kernel.org,
Steven Rostedt <rostedt@...dmis.org>,
Ben Segall <bsegall@...gle.com>,
Peter Hunt <pehunt@...hat.com>, Ingo Molnar <mingo@...hat.com>,
Mel Gorman <mgorman@...e.de>, oe-lkp@...ts.linux.dev,
Daniel Bristot de Oliveira <bristot@...hat.com>,
Dietmar Eggemann <dietmar.eggemann@....com>,
ltp@...ts.linux.it, lkp@...el.com
Subject: Re: [LTP] [PATCH] sched/core: Use empty mask to reset cpumasks in
sched_setaffinity()
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@...e.cz
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