linux-kernel - Re: Regression in latest sched-git

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Message-ID: <20080213163715.GB19570@linux.vnet.ibm.com>
Date:	Wed, 13 Feb 2008 22:07:15 +0530
From:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	vatsa@...ux.vnet.ibm.com, Ingo Molnar <mingo@...e.hu>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: Regression in latest sched-git

On Wed, Feb 13, 2008 at 10:04:44PM +0530, Dhaval Giani wrote:
> > > On the same lines, I cant understand how we can be seeing 700ms latency
> > > (below) unless we had: large number of active groups/users and large number of 
> > > tasks within each group/user.
> > 
> > All I can say it that its trivial to reproduce these horrid latencies.
> > 
> 
> Hi Peter,
> 
> I've been trying to reproduce the latencies, and the worst I have
> managed only 80ms. At an average I am getting around 60 ms. This is with
> a make -j4 as root, and dhaval running other programs. (with maxcpus=1).
> 

Totally missed here. Any more hints to reproduce?

-- 
regards,
Dhaval
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