Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756588AbYAPAfn (ORCPT ); Tue, 15 Jan 2008 19:35:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751369AbYAPAfd (ORCPT ); Tue, 15 Jan 2008 19:35:33 -0500 Received: from mga09.intel.com ([134.134.136.24]:44914 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750963AbYAPAfc (ORCPT ); Tue, 15 Jan 2008 19:35:32 -0500 X-ExtLoop1: 1 Subject: Re: Netperf TCP_RR(loopback) 10% regression in 2.6.24-rc6, comparing with 2.6.22 From: "Zhang, Yanmin" To: Herbert Xu Cc: Ilpo =?ISO-8859-1?Q?J=E4rvinen?= , LKML , Netdev In-Reply-To: <20080114105307.GA22866@gondor.apana.org.au> References: <1199871330.3298.132.camel@ymzhang> <1200043854.3265.24.camel@ymzhang> <20080114105307.GA22866@gondor.apana.org.au> Content-Type: text/plain; charset=utf-8 Date: Wed, 16 Jan 2008 08:34:04 +0800 Message-Id: <1200443644.3151.33.camel@ymzhang> Mime-Version: 1.0 X-Mailer: Evolution 2.9.2 (2.9.2-2.fc7) Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 784 Lines: 20 On Mon, 2008-01-14 at 21:53 +1100, Herbert Xu wrote: > On Mon, Jan 14, 2008 at 08:44:40AM +0000, Ilpo J?rvinen wrote: > > > > > > I tried to use bisect to locate the bad patch between 2.6.22 and 2.6.23-rc1, > > > > but the bisected kernel wasn't stable and went crazy. > > > > TCP work between that is very much non-existing. > > Make sure you haven't switched between SLAB/SLUB while testing this. I can make sure. In addition, I tried both SLAB and SLUB and make sure the regression is still there if CONFIG_SLAB=y. Thanks, -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/