linux-kernel - Re: [ISSUE] sched/cgroup: Does cpu-cgroup still works fine nowadays?

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Date:	Wed, 14 May 2014 11:27:36 +0800
From:	Michael wang <wangyun@...ux.vnet.ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>,
	Rik van Riel <riel@...hat.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>, Mike Galbraith <efault@....de>,
	Alex Shi <alex.shi@...aro.org>, Paul Turner <pjt@...gle.com>,
	Mel Gorman <mgorman@...e.de>,
	Daniel Lezcano <daniel.lezcano@...aro.org>
Subject: Re: [ISSUE] sched/cgroup: Does cpu-cgroup still works fine nowadays?

On 05/13/2014 10:23 PM, Peter Zijlstra wrote:
[snip]
> 
> The point remains though, don't use massive and awkward software stacks
> that are impossible to operate.
> 
> I you want to investigate !spinners, replace the ABC with slightly more
> complex loads like: https://lkml.org/lkml/2012/6/18/212

That's what we need, may be a little reform to enable multi-threads, or
may be add some locks... anyway, will redo the test and see what we
could found :)

Regards,
Michael Wang

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