Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752988Ab3FFXKn (ORCPT ); Thu, 6 Jun 2013 19:10:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:30080 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752039Ab3FFXKm (ORCPT ); Thu, 6 Jun 2013 19:10:42 -0400 Date: Thu, 6 Jun 2013 19:10:35 -0400 From: Dave Jones To: Frederic Weisbecker Cc: paulmck@linux.vnet.ibm.com, Linux Kernel , Ingo Molnar Subject: Re: rcu_preempt running flat out on idle desktop. Message-ID: <20130606231035.GA31050@redhat.com> Mail-Followup-To: Dave Jones , Frederic Weisbecker , paulmck@linux.vnet.ibm.com, Linux Kernel , Ingo Molnar References: <20130508203042.GA18895@redhat.com> <20130509211026.GA22723@redhat.com> <20130514012105.GB12749@somewhere> <20130606153136.GA12823@redhat.com> <20130606154311.GA5688@somewhere> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130606154311.GA5688@somewhere> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 855 Lines: 25 On Thu, Jun 06, 2013 at 05:43:13PM +0200, Frederic Weisbecker wrote: > > Every process 200% or 0%. > > I see, would you mind testing this branch? > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git > timers/urgent > > It might help, I specially think about 45eacc692771bd2b1ea3d384e6345cab3da10861 > ("vtime: Use consistent clocks among nohz accounting") which fixes an issue > with cputime accounting that resulted in similar symptoms. > > Thanks. 5 hours of uptime so far, without anything looking weird. I'll keep an eye on it, but this is looking a lot better so far. Dave -- 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/