linux-kernel - Re: cgroup task groups appears sensitive to absolute magnitude of shares

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Date:	Fri, 10 Oct 2008 09:53:57 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Chris Friesen <cfriesen@...tel.com>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: cgroup task groups appears sensitive to absolute magnitude of
	shares

On Fri, 2008-10-10 at 08:03 +0200, Peter Zijlstra wrote:
> On Thu, 2008-10-09 at 17:00 -0600, Chris Friesen wrote:
> 
> > Going to 4000/2000/1000/200 doesn't seem to give noticeable 
> > improvements, and going to 40000/20000/10000/2000 causes the test to 
> > behave unpredictably, either taking abnormally long to complete or else 
> > not completing at all.
> 
> Hmm, I would have expected it to work for at least the normal nice range
> of weight values..
> 
> Will have to look into that I suppose..

One thought, are you running 32 or 64 bit? If you're on 32, could you
try 64? If that fixes it its probably an easy fix, otherwise I fear it
might take a bit more..

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