Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754372Ab2JBWtA (ORCPT ); Tue, 2 Oct 2012 18:49:00 -0400 Received: from g6t0186.atlanta.hp.com ([15.193.32.63]:44942 "EHLO g6t0186.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753749Ab2JBWs7 (ORCPT ); Tue, 2 Oct 2012 18:48:59 -0400 Message-ID: <506B6F59.8060800@hp.com> Date: Tue, 02 Oct 2012 15:48:57 -0700 From: Rick Jones User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120912 Thunderbird/15.0.1 MIME-Version: 1.0 To: Mel Gorman CC: Mike Galbraith , Peter Zijlstra , Suresh Siddha , LKML , Richard Jones Subject: Re: Netperf UDP_STREAM regression due to not sending IPIs in ttwu_queue() References: <20121002065143.GK29125@suse.de> <1349164176.7086.43.camel@marge.simpson.net> <20121002084501.GL29125@suse.de> In-Reply-To: <20121002084501.GL29125@suse.de> Content-Type: text/plain; charset=ISO-8859-15; 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: 684 Lines: 20 On 10/02/2012 01:45 AM, Mel Gorman wrote: > SIZE=64 > taskset -c 0 netserver > taskset -c 1 netperf -t UDP_STREAM -i 50,6 -I 99,1 -l 20 -H 127.0.0.1 -- -P 15895 -s 32768 -S 32768 -m $SIZE -M $SIZE Just FYI, unless you are running a hacked version of netperf, the "50" in "-i 50,6" will be silently truncated to 30. happy benchmarking, rick jones PS - I trust it is the receive-side throughput being reported/used with UDP_STREAM :) -- 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/