linux-kernel - Re: [PATCH for testing] Re: Decreasing stime running confuses top

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Message-Id: <200710051749.33381.elendil@planet.nl>
Date:	Fri, 5 Oct 2007 17:49:32 +0200
From:	Frans Pop <elendil@...net.nl>
To:	Christian Borntraeger <borntraeger@...ibm.com>
Cc:	Chuck Ebbert <cebbert@...hat.com>,
	Luca Tettamanti <kronos.it@...il.com>,
	Willy Tarreau <w@....eu>, LKML <linux-kernel@...r.kernel.org>,
	Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>,
	"Alexander E. Patrakov" <patrakov@....usu.ru>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH for testing] Re: Decreasing stime running confuses top

On Thursday 04 October 2007, you wrote:
> Frans can you test this patch if this makes stime and utime monotic
> again?
>
> It basically reverts the rest of 
> b27f03d4bdc145a09fb7b0c0e004b29f1ee555fa and should restore the 2.6.22
> behavior. The process time is used from tasks utime and stime instead of
> the scheduler clock. That means, in general after a long period of time,
> it is less accurate than the current time and behaves like 2.6.22.
>
> Signed-off-by: Christian Borntraeger <borntraeger@...ibm.com>

Yes, this gives steady increases.
For kontact it also again shows updates only once every minute. I really 
wonder where all the other fluctuations for contact come from with the 
alternative code.

It seems to me that this patch would be the best option for 2.6.23.

Tested-by: Frans Pop <elendil@...net.nl>
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