Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757525AbZCQR20 (ORCPT ); Tue, 17 Mar 2009 13:28:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752655AbZCQR2Q (ORCPT ); Tue, 17 Mar 2009 13:28:16 -0400 Received: from dspnet.fr.eu.org ([213.186.44.138]:3130 "EHLO dspnet.fr.eu.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756070AbZCQR2P (ORCPT ); Tue, 17 Mar 2009 13:28:15 -0400 Date: Tue, 17 Mar 2009 18:28:11 +0100 From: Olivier Galibert To: Linux Kernel Mailing List Subject: Re: Linux 2.6.29-rc6 Message-ID: <20090317172811.GA33403@dspnet.fr.eu.org> Mail-Followup-To: Olivier Galibert , Linux Kernel Mailing List References: <49BD225C.4070305@krogh.cc> <49BD4B2D.7000501@krogh.cc> <49BD5C7C.2060605@krogh.cc> <49BEA1AD.1090901@krogh.cc> <20090317081412.GA24115@elte.hu> <20090317161322.GA25904@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090317161322.GA25904@elte.hu> User-Agent: Mutt/1.4.2.3i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 743 Lines: 17 On Tue, Mar 17, 2009 at 05:13:22PM +0100, Ingo Molnar wrote: > That's why i could put the delta analysis there. We are capturing > thousands of measurement points, and what matters is the precision > of the 'pair' of (PIT,TSC) timestamp measurements. > > I got roughly the same end result noise and the same anomalies with > tracing enabled and disabled. (and the number of data points was cut > in half with tracing enabled) Any reason for not doing a bog-standard linear regression? OG. -- 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/