Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753631AbYANRqV (ORCPT ); Mon, 14 Jan 2008 12:46:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750885AbYANRqL (ORCPT ); Mon, 14 Jan 2008 12:46:11 -0500 Received: from g4t0015.houston.hp.com ([15.201.24.18]:9973 "EHLO g4t0015.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750720AbYANRqK (ORCPT ); Mon, 14 Jan 2008 12:46:10 -0500 Message-ID: <478B9FE0.3040801@hp.com> Date: Mon, 14 Jan 2008 09:46:08 -0800 From: Rick Jones User-Agent: Mozilla/5.0 (X11; U; HP-UX 9000/785; en-US; rv:1.7.13) Gecko/20060601 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Zhang, Yanmin" CC: LKML , netdev@vger.kernel.org Subject: Re: Netperf TCP_RR(loopback) 10% regression in 2.6.24-rc6, comparing with 2.6.22 References: <1199871330.3298.132.camel@ymzhang> <1200043854.3265.24.camel@ymzhang> <4787ADDA.7090602@hp.com> <1200280292.3151.24.camel@ymzhang> In-Reply-To: <1200280292.3151.24.camel@ymzhang> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 880 Lines: 22 >>*) netperf/netserver support CPU affinity within themselves with the >>global -T option to netperf. Is the result with taskset much different? >> The equivalent to the above would be to run netperf with: >> >>./netperf -T 0,7 .. > > I checked the source codes and didn't find this option. > I use netperf V2.3 (I found the number in the makefile). Indeed, that version pre-dates the -T option. If you weren't already chasing a regression I'd suggest an upgrade to 2.4.mumble. Once you are at a point where changing another variable won't muddle things you may want to consider upgrading. happy benchmarking, rick jones -- 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/