Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264516AbTEJVjj (ORCPT ); Sat, 10 May 2003 17:39:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264517AbTEJVjj (ORCPT ); Sat, 10 May 2003 17:39:39 -0400 Received: from modemcable204.207-203-24.mtl.mc.videotron.ca ([24.203.207.204]:7299 "EHLO montezuma.mastecende.com") by vger.kernel.org with ESMTP id S264516AbTEJVji (ORCPT ); Sat, 10 May 2003 17:39:38 -0400 Date: Sat, 10 May 2003 17:42:14 -0400 (EDT) From: Zwane Mwaikambo X-X-Sender: zwane@montezuma.mastecende.com To: Jos Hulzink cc: linux-kernel Subject: Re: irq balancing: performance disaster In-Reply-To: <200305110118.10136.josh@stack.nl> Message-ID: References: <200305110118.10136.josh@stack.nl> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 841 Lines: 20 On Sun, 11 May 2003, Jos Hulzink wrote: > While tackling bug 699, it became clear to me that irq balancing is the cause > of the performance problems I, and all people using the SMP kernel Mandrake > 9.1 ships, are dealing with. I got the problems with 2.5.69 too. After > disabling irq balancing, the system is remarkably faster, and much more > responsive. Alan fixed this in his tree a little while back, Mandrake didn't manage to squeeze that fix in. The 2.5 and 2.4 situation is different however, for 2.5 it's intentional, for 2.4 something broke. Zwane -- function.linuxpower.ca - 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/