Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757769AbYJHChJ (ORCPT ); Tue, 7 Oct 2008 22:37:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755203AbYJHCg5 (ORCPT ); Tue, 7 Oct 2008 22:36:57 -0400 Received: from mga05.intel.com ([192.55.52.89]:20228 "EHLO fmsmga101.fm.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753822AbYJHCg4 (ORCPT ); Tue, 7 Oct 2008 22:36:56 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.33,376,1220252400"; d="scan'208";a="388845061" Subject: Re: [Bug #11207] VolanoMark regression with 2.6.27-rc1 From: "Zhang, Yanmin" To: Peter Zijlstra Cc: Nick Piggin , "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Dhaval Giani , Miao Xie In-Reply-To: <1223394526.26330.52.camel@lappy.programming.kicks-ass.net> References: <0pOgGB.A.uLG.E475IB@wind> <200810080211.42210.nickpiggin@yahoo.com.au> <1223394526.26330.52.camel@lappy.programming.kicks-ass.net> Content-Type: text/plain Date: Wed, 08 Oct 2008 10:36:31 +0800 Message-Id: <1223433391.1685.19.camel@ymzhang> Mime-Version: 1.0 X-Mailer: Evolution 2.21.5 (2.21.5-2.fc9) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1786 Lines: 44 On Tue, 2008-10-07 at 17:48 +0200, Peter Zijlstra wrote: > On Wed, 2008-10-08 at 02:11 +1100, Nick Piggin wrote: > > On Sunday 05 October 2008 04:28, Rafael J. Wysocki wrote: > > > This message has been generated automatically as a part of a report > > > of recent regressions. > > > > > > The following bug entry is on the current list of known regressions > > > from 2.6.26. Please verify if it still should be listed and let me know > > > (either way). > > > > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11207 > > > Subject : VolanoMark regression with 2.6.27-rc1 > > > Submitter : Zhang, Yanmin > > > Date : 2008-07-31 3:20 (66 days old) > > > References : http://marc.info/?l=linux-kernel&m=121747464114335&w=4 > > > Handled-By : Zhang, Yanmin > > > Peter Zijlstra > > > Dhaval Giani > > > Miao Xie > > > > Curious: what's happening with this one, handlers? Any progress being made? > > Sadly not much, I can't seem to reproduce :-( The regression is bigger with more cpu. > > Yanmin, does the wakeup patch I did for oltp help this workload any? > > http://marc.info/?l=linux-kernel&m=122194673932703&w=4 I tested it against 2.6.29-rc9 on 8-core stoakley and 16-core tigerton. volanoMark chatroom number is default 10. Basically, comparing with pure 2.6.27-rc9, the patched kernel's result has about 2% regression. Group scheduling is enabled. -yanmin -- 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/