From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267705AbUH0Uwk (ORCPT ); Fri, 27 Aug 2004 16:52:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267582AbUH0Urz (ORCPT ); Fri, 27 Aug 2004 16:47:55 -0400 Received: from grendel.digitalservice.pl ([217.67.200.140]:50907 "HELO mail.digitalservice.pl") by vger.kernel.org with SMTP id S267605AbUH0Uom (ORCPT ); Fri, 27 Aug 2004 16:44:42 -0400 From: "Rafael J. Wysocki" To: Rick Lindsley , "Martin J. Bligh" Subject: Re: 2.6.9-rc1-mm1 Date: Fri, 27 Aug 2004 22:54:58 +0200 User-Agent: KMail/1.5 Cc: Con Kolivas , Andrew Morton , linux-kernel@vger.kernel.org References: <200408270058.i7R0wDV04916@owlet.beaverton.ibm.com> In-Reply-To: <200408270058.i7R0wDV04916@owlet.beaverton.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200408272254.58646.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday 27 of August 2004 02:58, Rick Lindsley wrote: > Rick's schedstats stuff had some ways to measure latency that seemed to > work quite nicely. Hard to simulate exactly mozilla, email, etc, but > probably close enough to be far more use than "ooh, it feels faster". > > He did a whole paper at OLS ... Rick ... pointer? > > http://www.finux.org/Reprints/Reprint-Lindsley-OLS2004.pdf > > There are patches available for schedstats, although I haven't pulled > together 2.6.9-rc1 yet. Shouldn't take me but fifteen minutes, I think. > > Rafael, what baseline release are you comparing to? I should be able > to provide some tools to measure the effect on updatedb directly for > both 2.6.9-rc1 and your baseline (so long as it's 2.6-based) 2.6.8.1, for example. I'd like to compate it with the 2.6.9-rc1-mm1, which contains the Nick's scheduler (2.6.9-rc1 has the same scheduler as 2.6.8.1, AFAIK). Regards, RJW -- For a successful technology, reality must take precedence over public relations, for nature cannot be fooled. -- Richard P. Feynman