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From: Peter Zijlstra <peterz@infradead.org>
To: Michael wang <wangyun@linux.vnet.ibm.com>
Cc: Rik van Riel <riel@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>, Mike Galbraith <efault@gmx.de>,
	Alex Shi <alex.shi@linaro.org>, Paul Turner <pjt@google.com>,
	Mel Gorman <mgorman@suse.de>,
	Daniel Lezcano <daniel.lezcano@linaro.org>
Subject: Re: [ISSUE] sched/cgroup: Does cpu-cgroup still works fine nowadays?
Date: Thu, 15 May 2014 10:35:31 +0200	[thread overview]
Message-ID: <20140515083531.GE30445@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <5374387E.4080802@linux.vnet.ibm.com>

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On Thu, May 15, 2014 at 11:46:06AM +0800, Michael wang wrote:
> But for the dbench, stress combination, that's not spin-wasted, dbench
> throughput do dropped, how could we explain that one?

I've no clue what dbench does.. At this point you'll have to
expose/trace the per-task runtime accounting for these tasks and ideally
also the things the cgroup code does with them to see if it still makes
sense.

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  reply	other threads:[~2014-05-15  8:35 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-13  3:34 Michael wang
2014-05-13  9:47 ` Peter Zijlstra
2014-05-13 13:36   ` Rik van Riel
2014-05-13 14:23     ` Peter Zijlstra
2014-05-14  3:27       ` Michael wang
2014-05-14  7:36       ` Michael wang
2014-05-14  9:44         ` Peter Zijlstra
2014-05-15  3:46           ` Michael wang
2014-05-15  8:35             ` Peter Zijlstra [this message]
2014-05-15  8:46               ` Michael wang
2014-05-15  9:06                 ` Peter Zijlstra
2014-05-15  9:35                   ` Michael wang
2014-05-15 11:57                     ` Peter Zijlstra
2014-05-16  2:23                       ` Michael wang
2014-05-16  2:51                         ` Mike Galbraith
2014-05-16  4:24                           ` Michael wang
2014-05-16  7:54                             ` Peter Zijlstra
2014-05-16  8:15                               ` Michael wang
2014-06-10  8:56                               ` Michael wang
2014-06-10 12:12                                 ` Peter Zijlstra
2014-06-11  6:13                                   ` Michael wang
2014-06-11  8:24                                     ` Peter Zijlstra
2014-06-11  9:18                                       ` Michael wang
2014-06-23  9:42                                         ` Peter Zijlstra
2014-06-24  3:10                                           ` Michael wang
2014-05-16  7:48                         ` Peter Zijlstra
2014-05-14  3:21     ` Michael wang
2014-05-14  3:16   ` Michael wang

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