Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761401AbYCEGiV (ORCPT ); Wed, 5 Mar 2008 01:38:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757550AbYCEGiK (ORCPT ); Wed, 5 Mar 2008 01:38:10 -0500 Received: from E23SMTP02.au.ibm.com ([202.81.18.163]:34339 "EHLO e23smtp02.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755476AbYCEGiJ (ORCPT ); Wed, 5 Mar 2008 01:38:09 -0500 Message-ID: <47CE3F5B.3090100@linux.vnet.ibm.com> Date: Wed, 05 Mar 2008 12:06:11 +0530 From: Balbir Singh Reply-To: balbir@linux.vnet.ibm.com Organization: IBM User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: "Zhang, Yanmin" CC: Dhaval Giani , "Rafael J. Wysocki" , LKML , Andrew Morton , Linus Torvalds , Adrian Bunk , Peter Zijlstra , Srivatsa Vaddagiri , Balbir Singh , Ingo Molnar Subject: Re: 2.6.25-rc3-git3: Reported regressions from 2.6.24 References: <200803030316.07165.rjw@sisk.pl> <20080304112741.GA13428@linux.vnet.ibm.com> <1204682782.3248.189.camel@ymzhang> <47CE183C.7040105@linux.vnet.ibm.com> <1204694154.3248.194.camel@ymzhang> In-Reply-To: <1204694154.3248.194.camel@ymzhang> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1732 Lines: 37 Zhang, Yanmin wrote: > On Wed, 2008-03-05 at 09:19 +0530, Balbir Singh wrote: >> Zhang, Yanmin wrote: >>> On Tue, 2008-03-04 at 16:57 +0530, Dhaval Giani wrote: >>>>> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=9978 >>>>> Subject : 2.6.25-rc1: volanoMark 45% regression >>>>> Submitter : Zhang, Yanmin >>>>> Date : 2008-02-13 10:30 >>>>> References : http://lkml.org/lkml/2008/2/13/128 >>>>> Handled-By : Srivatsa Vaddagiri >>>>> Balbir Singh >>>> >>>> Peter's revert of the load balance patches should fix this one. Yanmin, >>>> could you please confirm if the patch at >>>> http://lkml.org/lkml/2008/2/25/202 helps? >>> I tested it against 2.6.25-rc3 on my 16-core tigerton machine. It really improves >>> volano result although it doesn't recover all the result. >>> Comparing with 2.6.24, without the patch, volanoMark has about 50% regression >>> with 2.6.25-rc3. With the patch, volanoMark has about 15% regression. >>> >> Have you had a chance to git-bisect the culprit after the revert? > How to bisect it if the reverted patch is submitted after the culprit patch? Good question. What I would do is create a branch at the patches that caused the regression and apply all patches (except the reverted patches to it, solving conflicts if any) and run git-bisect that. But, I suspect it is a lot of work. -- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL -- 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/