Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760125AbXH2DqM (ORCPT ); Tue, 28 Aug 2007 23:46:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752162AbXH2Dp6 (ORCPT ); Tue, 28 Aug 2007 23:45:58 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:59352 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751892AbXH2Dp5 (ORCPT ); Tue, 28 Aug 2007 23:45:57 -0400 Date: Wed, 29 Aug 2007 05:45:42 +0200 From: Ingo Molnar To: Bill Davidsen Cc: Al Boldi , Peter Zijlstra , Mike Galbraith , Andrew Morton , Linus Torvalds , linux-kernel@vger.kernel.org Subject: Re: CFS review Message-ID: <20070829034542.GA32164@elte.hu> References: <200708111344.42934.a1426z@gawab.com> <200708220127.30698.a1426z@gawab.com> <20070824134510.GA21382@elte.hu> <200708260127.32238.a1426z@gawab.com> <46D4E9FE.6080306@tmr.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46D4E9FE.6080306@tmr.com> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.1 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.1 required=5.9 tests=BAYES_05 autolearn=no SpamAssassin version=3.1.7-deb -1.1 BAYES_05 BODY: Bayesian spam probability is 1 to 5% [score: 0.0325] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 998 Lines: 24 * Bill Davidsen wrote: > > There is another way to show the problem visually under X > > (vesa-driver), by starting 3 gears simultaneously, which after > > laying them out side-by-side need some settling time before > > smoothing out. Without __update_curr it's absolutely smooth from > > the start. > > I posted a LOT of stuff using the glitch1 script, and finally found a > set of tuning values which make the test script run smooth. See back > posts, I don't have them here. but you have real 3D hw and DRI enabled, correct? In that case X uses up almost no CPU time and glxgears makes most of the processing. That is quite different from the above software-rendering case, where X spends most of the CPU time. 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/