From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764880AbXGPV4K (ORCPT ); Mon, 16 Jul 2007 17:56:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763387AbXGPVzx (ORCPT ); Mon, 16 Jul 2007 17:55:53 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:56125 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762469AbXGPVzw (ORCPT ); Mon, 16 Jul 2007 17:55:52 -0400 Date: Mon, 16 Jul 2007 23:55:41 +0200 From: Ingo Molnar To: Chuck Ebbert Cc: Bill Davidsen , linux-kernel@vger.kernel.org, Linus Torvalds , Ian Kent Subject: Re: [patch] CFS scheduler, -v19 Message-ID: <20070716215541.GA27171@elte.hu> References: <20070706173319.GA2356@elte.hu> <1184054902.12336.19.camel@Homer.simpson.net> <469512C1.6090406@tmr.com> <20070711205556.GA27266@elte.hu> <4697EC49.4070303@tmr.com> <469BE462.9030004@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <469BE462.9030004@redhat.com> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7-deb -1.0 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 * Chuck Ebbert wrote: > On 07/13/2007 05:19 PM, Bill Davidsen wrote: > > > > I should really go back to 2.6.21.6, 2.6.22 has many bizarre behaviors > > with FC6. Automount starts taking 30% of CPU (unused at the moment) > > Can you confirm whether CFS is involved, i.e. does it spin like that > even without the CFS patch applied? hmmm .... could you take out the kernel/time.c (sys_time()) changes from the CFS patch, does that solve the automount issue? If yes, could someone take a look at automount and check whether it makes use of time(2) and whether it combines it with finer grained time sources? Ingo