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From: Dhaval Giani <dhaval@linux.vnet.ibm.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: vatsa@linux.vnet.ibm.com, Ingo Molnar <mingo@elte.hu>,
	lkml <linux-kernel@vger.kernel.org>
Subject: Re: Regression in latest sched-git
Date: Wed, 13 Feb 2008 22:07:15 +0530	[thread overview]
Message-ID: <20080213163715.GB19570@linux.vnet.ibm.com> (raw)
In-Reply-To: <20080213163444.GA19570@linux.vnet.ibm.com>

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

  reply	other threads:[~2008-02-13 16:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-12 18:53 Dhaval Giani
2008-02-12 19:40 ` Peter Zijlstra
2008-02-13  3:00   ` Srivatsa Vaddagiri
2008-02-13 12:51     ` Peter Zijlstra
2008-02-13 16:34       ` Dhaval Giani
2008-02-13 16:37         ` Dhaval Giani [this message]
2008-02-13 16:43           ` Peter Zijlstra
2008-02-13 17:06         ` Srivatsa Vaddagiri
2008-02-14 11:20 ` Peter Zijlstra

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