From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265468AbTFRUbC (ORCPT ); Wed, 18 Jun 2003 16:31:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265476AbTFRUbC (ORCPT ); Wed, 18 Jun 2003 16:31:02 -0400 Received: from 015.atlasinternet.net ([212.9.93.15]:59867 "EHLO antoli.gallimedina.net") by vger.kernel.org with ESMTP id S265468AbTFRUbB (ORCPT ); Wed, 18 Jun 2003 16:31:01 -0400 From: Ricardo Galli Organization: UIB To: linux-kernel@vger.kernel.org Subject: Re: O(1) scheduler starvation Date: Wed, 18 Jun 2003 22:44:56 +0200 User-Agent: KMail/1.5.2 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200306182244.56920.gallir@uib.es> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Have you seen this email I just posted to lkml? > > [PATCH] 2.5.72 O(1) interactivity bugfix > > It may be affecting the scheduler in all sorts of ways. I've applied the patch you posted in your web page for 2.4.21-ck1. It feels more reactive but has an annoying collateral effect, it seems to slow down to new processes forked from an interactive program. I see it when selecting a PGP signed message in kmail, it takes up to two seconds to show the message body. The lag wasn't so noticeable before. Regards, -- ricardo galli GPG id C8114D34