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To: linux-kernel@vger.kernel.org
From: Parag Warudkar <parag.warudkar@gmail.com>
Subject: Re: 2.6.27-rc1 process time accounting
Date: Fri, 1 Aug 2008 03:03:23 +0000 (UTC)
Message-ID: <loom.20080801T025718-689@post.gmane.org>
References: <20080731104319.GB5806@ics.muni.cz> <20080731144147.82fcd85e.akpm@linux-foundation.org>
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Andrew Morton <akpm <at> linux-foundation.org> writes:

> 
> On Thu, 31 Jul 2008 12:43:19 +0200
> Lukas Hejtmanek <xhejtman <at> ics.muni.cz> wrote:
> 
> > Hello,
> > 
> > I think there is a regression since 2.6.26 in time accounting of processes.
> 
> Could be - we changed quite a bit.
> 
> > kthreadd and console-kit-daemons claim they spent 5124095 hours using CPU.
> 
> My 2.6.27-rc1-mm1 kthreadd looks OK in `top'.  How are you displaying
> this information?  More details if possible, please..
> 

Top's doing crazy things on my machine too after booting 2.6.27-rc1 - like Xorg
showing 859% CPU usage on 4 CPU machine and generally any process running even
shortly shows up as using anywhere between 100 and 150% CPU.

This is on x86 - Q6600 6Gb RAM. Let me know if anything else would be
interesting to know.

Parag


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