linux-kernel - Re: [patch] sched: accurate user accounting

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Message-ID: <20070616184021.GA3887@elte.hu>
Date:	Sat, 16 Jun 2007 20:40:21 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	malc <av1474@...tv.ru>
Cc:	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org,
	Dmitry Adamushko <dmitry.adamushko@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [patch] sched: accurate user accounting


* malc <av1474@...tv.ru> wrote:

> > Interesting, the idle time accounting (done from 
> > account_system_time()) has not changed. Has your .config changed? 
> > Could you please send it across. I've downloaded apc and I am trying 
> > to reproduce your problem.
> 
> http://www.boblycat.org/~malc/apc/cfs/ has config for 2.6.21 an the 
> diff against 2.6.21.4-cfs-v16.

hm. Could you add this to your kernel boot command line:

     highres=off nohz=off

and retest, to inquire whether this problem is independent of any 
timer-events effects?

	Ingo
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