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

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Message-ID: <20070604194038.GA15782@elte.hu>
Date:	Mon, 4 Jun 2007 21:40:38 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Matt Mackall <mpm@...enic.com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>, akpm@...ux-foundation.org,
	Linux-kernel@...r.kernel.org
Subject: Re: Interesting interaction between lguest and CFS


* Matt Mackall <mpm@...enic.com> wrote:

> > ah, so both the shell and the 'competing' CPU hog was running within 
> > the same lguest instance?
> 
> No.
> 
> The CPU hog is running in the host. A single instance of lguest using 
> busybox is started in another shell. When it reaches a shell prompt, 
> -that- shell is occassionally unresponsive for long stretches.

so the shell within lguest is affected by the CPU hog outside? Could you 
send me the sched-debug stats of the CPU hog and of the lguest host 
process as well? (or were those amongst the ones you already sent?)

	Ingo
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