linux-kernel - Re: [PATCH] Add hierarchical accounting to cpu accounting controller

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Date:	Tue, 11 Nov 2008 12:13:51 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Bharata B Rao <bharata@...ux.vnet.ibm.com>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	Li Zefan <lizf@...fujitsu.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Paul Menage <menage@...gle.com>, linux-kernel@...r.kernel.org,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH] Add hierarchical accounting to cpu accounting
	controller


* Bharata B Rao <bharata@...ux.vnet.ibm.com> wrote:

> On Mon, Nov 10, 2008 at 02:09:37PM +0100, Ingo Molnar wrote:
> > 
> > * Bharata B Rao <bharata@...ux.vnet.ibm.com> wrote:
> > 
> > > I will resend the patch with other corrections you mentioned only if 
> > > Paul/Ingo want this patch to go in.
> > 
> > yes, please resend the fixed version.
> 
> Here it is:
> 
> Add hierarchical accounting to cpu accounting controller and include
> cpuacct documentation.
> 
> Currently, while charging the task's cputime to its accounting group,
> the accounting group hierarchy isn't updated. This patch charges the cputime
> of a task to its accounting group and all its parent accounting groups.
> 
> Reported-by: Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
> Signed-off-by: Bharata B Rao <bharata@...ux.vnet.ibm.com>
> CC: Ingo Molnar <mingo@...e.hu>
> CC: Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
> Reviewed-by: Paul Menage <menage@...gle.com>
> Acked-by: Balbir Singh <balbir@...ux.vnet.ibm.com>
> Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> ---
>  Documentation/controllers/cpuacct.txt |   32 ++++++++++++++++++++++++++++++++
>  kernel/sched.c                        |   12 +++++++++---
>  2 files changed, 41 insertions(+), 3 deletions(-)

applied to tip/sched/core, thanks Bharata!

	Ingo
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