Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759006AbZIPTpK (ORCPT ); Wed, 16 Sep 2009 15:45:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756030AbZIPTpI (ORCPT ); Wed, 16 Sep 2009 15:45:08 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:41513 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754252AbZIPTpH (ORCPT ); Wed, 16 Sep 2009 15:45:07 -0400 Date: Wed, 16 Sep 2009 21:45:07 +0200 From: Ingo Molnar To: Serge Belyshev Cc: linux-kernel@vger.kernel.org Subject: Re: Epic regression in throughput since v2.6.23 Message-ID: <20090916194507.GA27456@elte.hu> References: <20090906205952.GA6516@elte.hu> <87hbvdiogq.fsf@depni.sinp.msu.ru> <873a6xdqwq.fsf@depni.sinp.msu.ru> <20090909155223.GA12065@elte.hu> <87my53vo6d.fsf@depni.sinp.msu.ru> <20090910065306.GB3920@elte.hu> <87ljkm9yew.fsf@depni.sinp.msu.ru> <20090911061024.GA27833@elte.hu> <87iqfmx3tr.fsf@depni.sinp.msu.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87iqfmx3tr.fsf@depni.sinp.msu.ru> User-Agent: Mutt/1.5.18 (2008-05-17) 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=3.2.5 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 547 Lines: 16 * Serge Belyshev wrote: > Note that the disabling NEW_FAIR_SLEEPERS doesn't fix 3% regression > from v2.6.23, but instead makes "make -j4" runtime another 2% worse > (27.05 -> 27.72). Ok, i think we've got a handle on that finally - mind checking latest -tip? 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/