linux-kernel - Re: [PATCH 09/10] provide a version of cpuusage statistics inside cpu cgroup

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Date:	Wed, 5 Oct 2011 19:05:42 +0400
From:	Glauber Costa <glommer@...allels.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC:	<linux-kernel@...r.kernel.org>, <paul@...lmenage.org>,
	<lizf@...fujitsu.com>, <daniel.lezcano@...e.fr>,
	<jbottomley@...allels.com>, Balbir Singh <bsingharora@...il.com>,
	Paul Turner <pjt@...gle.com>
Subject: Re: [PATCH 09/10] provide a version of cpuusage statistics inside
 cpu cgroup

On 10/05/2011 04:31 PM, Peter Zijlstra wrote:
> On Wed, 2011-10-05 at 16:22 +0400, Glauber Costa wrote:
>>
>> We should at least sum up se and rt_se, right?
>
> Ah yes indeed.

sched_rt.c:

         curr->se.sum_exec_runtime += delta_exec;

Where did I get this crazy idea about rt_se from? I swear I did not do 
any drugs today...

>> Otherwise... I will re-read the code, but from a first sight, I think
>> you are right.
>
> Good, less hierarchy walks ->  *win*

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