linux-kernel - Re: question on sched-rt group allocation cap: sched_rt_runtime

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Message-Id: <1252401972.18991.41.camel@marge.simson.net>
Date:	Tue, 08 Sep 2009 11:26:12 +0200
From:	Mike Galbraith <efault@....de>
To:	Anirban Sinha <ani@...rban.org>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Dario Faggioli <raistlin@...ux.it>,
	Anirban Sinha <ASinha@...gmasystems.com>
Subject: Re: question on sched-rt group allocation cap: sched_rt_runtime_us

On Tue, 2009-09-08 at 00:10 -0700, Anirban Sinha wrote:

> > I tested tip (v2.6.31-rc9-1357-ge6a3cd0) with a little perturbation
> > measurement proglet on an isolated Q6600 core.
> 
> 
> Thanks Mike. Is this on a single core machine (or one core carved out  
> of N)?  We may have some newer patches missing from the 2.6.26 kernel  
> that fixes some accounting bugs. I will do a review and rerun the test  
> after applying the upstream patches.

Q6600 is a quad, test was 1 carved out of 4 (thought i said that).

	-Mike

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