linux-kernel - Re: Interesting interaction between lguest and CFS

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Message-ID: <Line.LNX.4.64.0706041613310.13341@d.namei>
Date:	Mon, 4 Jun 2007 16:15:33 -0400 (EDT)
From:	James Morris <jmorris@...ei.org>
To:	Ingo Molnar <mingo@...e.hu>
cc:	Matt Mackall <mpm@...enic.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	akpm@...ux-foundation.org, Linux-kernel@...r.kernel.org
Subject: Re: Interesting interaction between lguest and CFS

On Mon, 4 Jun 2007, Ingo Molnar wrote:

> perhaps lguest does something unusual when it idles? Does it fiddle 
> sched_clock() in any way?

One of the lguest processes calls nice(2), which seems like a long shot, 
but also not impossibly related.  (Note that newer patches in the lguest 
queue remove this, so it'll depend on exactly which patches you have 
applied).


- James
-- 
James Morris
<jmorris@...ei.org>
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