Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759620AbXFANNX (ORCPT ); Fri, 1 Jun 2007 09:13:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756066AbXFANNP (ORCPT ); Fri, 1 Jun 2007 09:13:15 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:52692 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753128AbXFANNP (ORCPT ); Fri, 1 Jun 2007 09:13:15 -0400 Date: Fri, 1 Jun 2007 15:12:49 +0200 From: Ingo Molnar To: Daniel Walker Cc: Peter Zijlstra , Steven Rostedt , linux-kernel@vger.kernel.org, Andrew Morton , Jason Baron , Thomas Gleixner Subject: Re: [PATCH 3/5] lockstat: core infrastructure Message-ID: <20070601131249.GA17059@elte.hu> References: <20070529125248.877196281@chello.nl> <20070529130107.112347096@chello.nl> <1180470525.32594.71.camel@imap.mvista.com> <20070530132431.GA23947@elte.hu> <20070530134907.GA27085@elte.hu> <1180544796.32594.184.camel@imap.mvista.com> <1180545380.2958.1.camel@lappy> <1180545913.32594.194.camel@imap.mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1180545913.32594.194.camel@imap.mvista.com> User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.0.3 -2.0 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 Content-Length: 875 Lines: 24 * Daniel Walker wrote: > On Wed, 2007-05-30 at 19:16 +0200, Peter Zijlstra wrote: > > I think you are mistaken here; the two are similar but not > > identical. > > > > I see sched_clock() as fast first, accurate second. Whereas the > > clocksource thing is accurate first, fast second. > > This is true .. However, if there is a speed different it's small. Ugh. Have you ever compared pmtimer (or even hpet) against TSC based sched_clock()? What you write is so wrong that it's not even funny. You keep repeating this nonsense despite having been told multiple times that you are dead wrong. Ingo - 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/