From: Artem Bityutskiy <dedekind1@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@kernel.org, riel@redhat.com, linux-kernel@vger.kernel.org,
mgorman@suse.de, rostedt@goodmis.org, juri.lelli@arm.com
Subject: Re: [RFC][PATCH 0/4] sched,numa: pinned task accounting
Date: Mon, 18 May 2015 12:08:18 +0300 [thread overview]
Message-ID: <1431940098.20417.83.camel@sauron.fi.intel.com> (raw)
In-Reply-To: <20150515154333.712161952@infradead.org>
On Fri, 2015-05-15 at 17:43 +0200, Peter Zijlstra wrote:
> Hi,
>
> Here's a first few patches that provide pinned task accounting; they are boot
> tested only so far.
>
> I don't think this is enough to address Artem's regression, but its a
> foundation to add some more smarts. In particular we should make it harder
> still to migrate well placed tasks away due to these pinned tasks.
Hi,
the most useful thing I can do is to test your patches, which I did, and
there seem to be no difference: average server response time is still
1.4 seconds.
Artem.
prev parent reply other threads:[~2015-05-18 9:08 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-15 15:43 Peter Zijlstra
2015-05-15 15:43 ` [RFC][PATCH 1/4] sched: Fix a race between __kthread_bind() and sched_setaffinity() Peter Zijlstra
2015-05-15 15:56 ` Tejun Heo
2015-08-07 14:27 ` Peter Zijlstra
2015-08-07 15:16 ` Tejun Heo
2015-08-07 15:29 ` Peter Zijlstra
2015-08-07 15:38 ` Tejun Heo
2015-08-07 15:59 ` Peter Zijlstra
2015-08-07 16:09 ` Tejun Heo
2015-08-12 12:38 ` [tip:sched/core] " tip-bot for Peter Zijlstra
2015-05-15 15:43 ` [RFC][PATCH 2/4] sched: Make sched_class::set_cpus_allowed() unconditional Peter Zijlstra
2015-08-12 12:38 ` [tip:sched/core] " tip-bot for Peter Zijlstra
2015-08-20 16:45 ` [RFC][PATCH 2/4] " Sasha Levin
2015-05-15 15:43 ` [RFC][PATCH 3/4] sched: Change sched_class::set_cpus_allowed calling context Peter Zijlstra
[not found] ` <OF66BF3765.2EBFD3B1-ON48257E49.0028DC79-48257E49.0029F058@zte.com.cn>
2015-05-18 8:32 ` Peter Zijlstra
2015-05-18 9:34 ` Juri Lelli
2015-05-18 20:04 ` Peter Zijlstra
2015-08-12 12:38 ` [tip:sched/core] sched: Change the sched_class::set_cpus_allowed( ) " tip-bot for Peter Zijlstra
2015-08-13 18:47 ` Sasha Levin
2015-08-13 20:37 ` Peter Zijlstra
2015-08-13 20:59 ` Sasha Levin
2015-08-13 21:30 ` Peter Zijlstra
2015-05-15 15:43 ` [RFC][PATCH 4/4] sched, numa: Ignore pinned tasks Peter Zijlstra
2015-05-15 19:05 ` Rik van Riel
2015-05-16 9:31 ` Peter Zijlstra
2015-05-18 13:00 ` Srikar Dronamraju
2015-05-18 13:06 ` Peter Zijlstra
2015-05-18 14:13 ` Rik van Riel
2015-05-18 14:29 ` Srikar Dronamraju
2015-05-18 15:09 ` Peter Zijlstra
2015-05-18 13:10 ` Srikar Dronamraju
2015-05-18 9:08 ` Artem Bityutskiy [this message]
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