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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Chris Friesen <cfriesen@nortel.com>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org
Subject: Re: cgroup task groups appears sensitive to absolute magnitude of shares
Date: Fri, 10 Oct 2008 09:53:57 +0200	[thread overview]
Message-ID: <1223625237.7382.62.camel@lappy.programming.kicks-ass.net> (raw)
In-Reply-To: <1223618594.7382.60.camel@lappy.programming.kicks-ass.net>

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..


  reply	other threads:[~2008-10-10  7:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-09 23:00 cgroup task groups appears sensitive to absolute magnitude of shares Chris Friesen
2008-10-10  5:44 ` Peter Zijlstra
2008-10-10  6:03 ` Peter Zijlstra
2008-10-10  7:53   ` Peter Zijlstra [this message]
2008-10-10 15:05     ` Chris Friesen

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