From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758073AbYEGJQl (ORCPT ); Wed, 7 May 2008 05:16:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754508AbYEGJQ3 (ORCPT ); Wed, 7 May 2008 05:16:29 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:50284 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752569AbYEGJQ1 (ORCPT ); Wed, 7 May 2008 05:16:27 -0400 Date: Wed, 7 May 2008 11:16:11 +0200 From: Ingo Molnar To: "Zhang, Yanmin" Cc: Peter Zijlstra , LKML Subject: Re: sysbench+mysql(oltp, readonly) 30% regression with 2.6.26-rc1 Message-ID: <20080507091611.GA30645@elte.hu> References: <1210136148.3453.59.camel@ymzhang> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1210136148.3453.59.camel@ymzhang> 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: 0.0058] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Zhang, Yanmin wrote: > ???Comparing with kernel 2.6.25, sysbench+mysql(oltp, readonly) has many > regression with 2.6.26-rc1. > > 1) 8-core stoakley: 28%; > 2) 16-core tigerton: 20%; > 3) Itanium Montvale: 50%. > > Bisect located below patch. thanks Yanmin, i've queued up your reverter patch. Ingo