From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268537AbTGOPPO (ORCPT ); Tue, 15 Jul 2003 11:15:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268442AbTGOPPH (ORCPT ); Tue, 15 Jul 2003 11:15:07 -0400 Received: from 153.Red-213-4-13.pooles.rima-tde.net ([213.4.13.153]:17413 "EHLO small.felipe-alfaro.com") by vger.kernel.org with ESMTP id S268453AbTGOPIl (ORCPT ); Tue, 15 Jul 2003 11:08:41 -0400 Subject: Re: [PATCH] N1int for interactivity From: Felipe Alfaro Solana To: Con Kolivas Cc: linux kernel mailing list , Mike Galbraith , Andrew Morton In-Reply-To: <200307151355.23586.kernel@kolivas.org> References: <200307151355.23586.kernel@kolivas.org> Content-Type: text/plain Message-Id: <1058282608.626.4.camel@teapot.felipe-alfaro.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.3 Date: 15 Jul 2003 17:23:28 +0200 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2003-07-15 at 05:55, Con Kolivas wrote: > I've modified Mike Galbraith's nanosleep work for greater resolution to help > the interactivity estimator work I've done in the O*int patches. This patch > applies to any kernel patched up to the latest patch-O5int-0307150857 which > applies on top of 2.5.75-mm1. > > Please test and comment, and advise what further changes you think are > appropriate or necessary, including other archs. I've preserved Mike's code > unchanged wherever possible. It works well for me, but n=1 does not > a good sample population make. > > The patch-N1int-0307151249 is available here: > http://kernel.kolivas.org/2.5 I can still starve XMMS on 2.5.75-mm1 + patch-O5int-0307150857 + patch-N1int-0307152010: 1. Log on to KDE 2. Launch Konqueror 3. Launch XMMS and make it play 4. Move Konqueror window all over the desktop Step 4 will make XMMS starve for a few seconds. Also, under heavy load (while true; do a=2; done), moving the Konqueror window like crazy makes X go jerky after a few seconds. If I quit moving windows around, after a few other seconds, X returns to normal/smooth behavior. I can fix the starvation/smoothness by setting: #define PRIO_BONUS_RATIO 45 #define INTERACTIVE_DELTA 4 #define MAX_SLEEP_AVG (HZ) #define STARVATION_LIMIT (HZ) For me, 2.6.0-test1 stock scheduler plus above changes makes the most user-friendly desktop I've ever seen. Thanks!