From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, Rik van Riel <riel@redhat.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Oleg Nesterov <oleg@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH v2] sched/cputime: fix clock_nanosleep/clock_gettime inconsistency
Date: Wed, 12 Nov 2014 17:17:35 +0100 [thread overview]
Message-ID: <20141112161723.GA4487@redhat.com> (raw)
In-Reply-To: <20141112160603.GM29390@twins.programming.kicks-ass.net>
On Wed, Nov 12, 2014 at 05:06:03PM +0100, Peter Zijlstra wrote:
> On Wed, Nov 12, 2014 at 04:58:44PM +0100, Stanislaw Gruszka wrote:
> > v1 -> v2: post Peter version
> >
> > Peter, if you want post your patch by yourself please do so (you can
> > add me with Reported-and-tested-by: tag then). I'm posting this in case
> > you don't want to write the changelog :-)
>
> Ah, but did you verify? That test case didn't trigger for me (I let it
> run for several minutes before I got bored and shot it).
>
> I think I might split this in two patches, the one killing the
> task_delta_exec() and the other doing this. But I can do that if you can
> confirm this all does indeed work.
Patch does work. I run test for few hours with the patch and the problem
did not show. Without the patch it's matter of minutes and the test
fail here.
Stanislaw
next prev parent reply other threads:[~2014-11-12 16:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-12 10:29 [PATCH] sched/cputime: fix clock_nanosleep/clock_gettime inconsistency Stanislaw Gruszka
2014-11-12 11:15 ` Peter Zijlstra
2014-11-12 11:37 ` Peter Zijlstra
2014-11-12 11:45 ` Peter Zijlstra
2014-11-12 12:27 ` Stanislaw Gruszka
2014-11-12 12:52 ` Peter Zijlstra
2014-11-16 9:50 ` [tip:sched/urgent] sched/cputime: Fix cpu_timer_sample_group() double accounting tip-bot for Peter Zijlstra
2014-11-12 12:21 ` [PATCH] sched/cputime: fix clock_nanosleep/clock_gettime inconsistency Stanislaw Gruszka
2014-11-12 12:51 ` Peter Zijlstra
2014-11-12 15:58 ` [PATCH v2] " Stanislaw Gruszka
2014-11-12 16:06 ` Peter Zijlstra
2014-11-12 16:17 ` Stanislaw Gruszka [this message]
2014-11-12 17:12 ` Peter Zijlstra
2014-11-12 16:45 ` Peter Zijlstra
2014-11-12 16:53 ` Stanislaw Gruszka
2014-11-12 16:56 ` Peter Zijlstra
2014-11-16 9:50 ` [tip:sched/urgent] sched/cputime: Fix clock_nanosleep()/ clock_gettime() inconsistency tip-bot for Stanislaw Gruszka
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