Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755849AbXFPSlU (ORCPT ); Sat, 16 Jun 2007 14:41:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753131AbXFPSlO (ORCPT ); Sat, 16 Jun 2007 14:41:14 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:41190 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752296AbXFPSlN (ORCPT ); Sat, 16 Jun 2007 14:41:13 -0400 Date: Sat, 16 Jun 2007 20:40:21 +0200 From: Ingo Molnar To: malc Cc: Balbir Singh , linux-kernel@vger.kernel.org, Dmitry Adamushko , Thomas Gleixner Subject: Re: [patch] sched: accurate user accounting Message-ID: <20070616184021.GA3887@elte.hu> References: <20070328113743.GA5615@elte.hu> <20070614204253.GA14076@elte.hu> <20070614211828.GA21243@elte.hu> <46720B19.5000006@linux.vnet.ibm.com> <4673E3D9.2020300@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 797 Lines: 24 * malc 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/