Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755994AbXLGR4Q (ORCPT ); Fri, 7 Dec 2007 12:56:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757271AbXLGRzy (ORCPT ); Fri, 7 Dec 2007 12:55:54 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:58228 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757485AbXLGRzx (ORCPT ); Fri, 7 Dec 2007 12:55:53 -0500 Date: Fri, 7 Dec 2007 18:55:27 +0100 From: Ingo Molnar To: Steven Rostedt Cc: LKML , Christoph Lameter , Linus Torvalds , Peter Zijlstra , Christoph Hellwig Subject: Re: Major regression on hackbench with SLUB Message-ID: <20071207175527.GA19173@elte.hu> References: <1197049846.1645.68.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1197049846.1645.68.camel@localhost.localdomain> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0007] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 693 Lines: 19 * Steven Rostedt wrote: > The regression is that hackbench slows down tremendously. It goes from > running just under 2 seconds to running around 14 seconds. ouch ... it might make sense to check the SLUB patches from -mm ontop of vanilla as well - while that might be of little comfort as far as 2.6.24 goes, it at least gives us the info whether this is something that has been fixed in the latest SLUB code. 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/