From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhang, Yanmin" Subject: Re: Netperf TCP_RR(loopback) 10% regression in 2.6.24-rc6, comparing with 2.6.22 Date: Wed, 16 Jan 2008 08:34:04 +0800 Message-ID: <1200443644.3151.33.camel@ymzhang> References: <1199871330.3298.132.camel@ymzhang> <1200043854.3265.24.camel@ymzhang> <20080114105307.GA22866@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Ilpo =?ISO-8859-1?Q?J=E4rvinen?= , LKML , Netdev To: Herbert Xu Return-path: 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 In-Reply-To: <20080114105307.GA22866@gondor.apana.org.au> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, 2008-01-14 at 21:53 +1100, Herbert Xu wrote: > On Mon, Jan 14, 2008 at 08:44:40AM +0000, Ilpo J=E4rvinen wrote: > > > > > > I tried to use bisect to locate the bad patch between 2.6.22 an= d 2.6.23-rc1, > > > > but the bisected kernel wasn't stable and went crazy. > >=20 > > TCP work between that is very much non-existing. >=20 > 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=20 regression is still there if CONFIG_SLAB=3Dy. Thanks, -yanmin