Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756518AbXHBMKj (ORCPT ); Thu, 2 Aug 2007 08:10:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754776AbXHBMK0 (ORCPT ); Thu, 2 Aug 2007 08:10:26 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:49420 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753636AbXHBMKZ (ORCPT ); Thu, 2 Aug 2007 08:10:25 -0400 Date: Thu, 2 Aug 2007 14:10:18 +0200 From: Ingo Molnar To: Kasper Sandberg Cc: Peter Zijlstra , Linus Torvalds , Linux Kernel Mailing List , ck@vds.kolivas.org Subject: Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1) Message-ID: <20070802121018.GA11900@elte.hu> References: <1185536610.502.8.camel@localhost> <20070729170641.GA26220@elte.hu> <1185839164.27166.7.camel@localhost> <1185863461.3092.4.camel@twins> <20070731085713.GA15136@elte.hu> <1186011827.2482.1.camel@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1186011827.2482.1.camel@localhost> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.0.3 -1.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1206 Lines: 29 * Kasper Sandberg wrote: > > ah, indeed, that makes quite a bit of sense. Almost all of the > > Reiser3 code runs under the BKL, and the only other major kernel > > infrastructure that has BKL dependencies is the TTY code. Kasper, as > > a debugging matter, could you try to move that spamassassin workload > > off into a non-Reiser3 filesystem and/or disable PREEMPT_BKL? If > > that makes a noticeable difference (for the better ;) then we can > > continue figuring out what's happening exactly. > > the pricess is as this: > mail client fetches mail > mail client invokes spamasassin > if spam -> spam > else filtering > if it matches certain filters, it gets put into my imap server, which is > reiserfs. do you have any filesystem that is not reiserfs? If yes, could you, as a test, check whether file activities on _that_ file system still cause these lags, or is the lag purely connected to the reiser3 filesystem? 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/