Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758797Ab0HEDrh (ORCPT ); Wed, 4 Aug 2010 23:47:37 -0400 Received: from mailout-de.gmx.net ([213.165.64.23]:57631 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1758684Ab0HEDrf (ORCPT ); Wed, 4 Aug 2010 23:47:35 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX188+iU1Q9c8bu5ylbTuSN+KTfvnmb3Psrb+tUtRzz AfHdfaxbxdrhsq Subject: Re: excessive wakeups in 2.6.35 From: Mike Galbraith To: Dave Jones Cc: Linux Kernel , x86@kernel.org In-Reply-To: <20100804203811.GA6479@redhat.com> References: <20100804203811.GA6479@redhat.com> Content-Type: text/plain Date: Thu, 05 Aug 2010 05:48:11 +0200 Message-Id: <1280980091.7508.5.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 910 Lines: 24 On Wed, 2010-08-04 at 16:38 -0400, Dave Jones wrote: > My laptop felt like it was about to burst into flames after I ran > 2.6.35 on it for a while. It actually got too hot to place on my legs. Nomex + bigger battery :) > Powertop showed it running over a 1000 wakeups a second while completely idle. > > Chuck Ebbert pointed me at this diff.. > http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git;a=commitdiff;h=396e894d289d69bacf5acd983c97cd6e21a14c08 > > which brings it back down to a much more respectable 80 wakeups a second. > > Is this lined up for 2.6.35.1 ? Yeah, it's tagged. More trouble than it's worth, optimization dies. -Mike -- 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/