Date: Wed, 13 Feb 2008 22:07:15 +0530
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
Message-ID: <20080213163715.GB19570@linux.vnet.ibm.com>
Reply-To: Dhaval Giani <dhaval@linux.vnet.ibm.com>
References: <20080212185355.GA6320@linux.vnet.ibm.com> <1202845208.6247.82.camel@lappy> <20080213030035.GA3402@linux.vnet.ibm.com> <1202907078.20209.3.camel@lappy> <20080213163444.GA19570@linux.vnet.ibm.com>
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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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