From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758271AbYADIvp (ORCPT ); Fri, 4 Jan 2008 03:51:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754126AbYADIvi (ORCPT ); Fri, 4 Jan 2008 03:51:38 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:35707 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754112AbYADIvh (ORCPT ); Fri, 4 Jan 2008 03:51:37 -0500 Date: Fri, 4 Jan 2008 09:51:24 +0100 From: Ingo Molnar To: Andi Kleen Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH x86] [1/16] Make clocksource watchdog cycle through online CPUs Message-ID: <20080104085124.GA28740@elte.hu> References: <20080103442.621670000@suse.de> <20080103154214.B618F14DDB@wotan.suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080103154214.B618F14DDB@wotan.suse.de> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Andi Kleen wrote: > This way it checks if the clocks are synchronized between CPUs too. > This might be able to detect slowly drifting TSCs which only go wrong > over longer time. ok, makes sense - applied. Have you seen this trigger in practice? Ingo