Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752613Ab1EaKEi (ORCPT ); Tue, 31 May 2011 06:04:38 -0400 Received: from ud10.udmedia.de ([194.117.254.50]:36786 "EHLO mail.ud10.udmedia.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750818Ab1EaKEh (ORCPT ); Tue, 31 May 2011 06:04:37 -0400 Date: Tue, 31 May 2011 12:04:34 +0200 From: Markus Trippelsdorf To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, Mike Galbraith , Ingo Molnar Subject: Re: Very high CPU values in top on idle system (3.0-rc1) Message-ID: <20110531100434.GA1759@x4.trippels.de> References: <20110530173916.GA1746@x4.trippels.de> <1306778743.23844.5.camel@twins> <20110530182356.GA1762@x4.trippels.de> <20110530204548.GA1762@x4.trippels.de> <1306793579.2530.2.camel@twins> <1306835745.2353.3.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1306835745.2353.3.camel@twins> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 751 Lines: 21 On 2011.05.31 at 11:55 +0200, Peter Zijlstra wrote: > On Tue, 2011-05-31 at 00:12 +0200, Peter Zijlstra wrote: > > > > I poked around with some skip_rq_update bits but couldn't make it go > > away, will try more tomorrow. > > Gah, that was annoying, and explains why I wasn't seeing it on my main > dev box but could see it on my desktop (wsm tsc is much better synced > than the core2 tsc). > > Could you confirm that this indeed cures the problem? Yes, indeed it does. Many thanks Peter. -- Markus -- 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/