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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.


      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 [RFC][PATCH 0/4] sched,numa: pinned task accounting 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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