From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758716AbYHKWLh (ORCPT ); Mon, 11 Aug 2008 18:11:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758496AbYHKWLV (ORCPT ); Mon, 11 Aug 2008 18:11:21 -0400 Received: from g1t0026.austin.hp.com ([15.216.28.33]:48550 "EHLO g1t0026.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758389AbYHKWLU (ORCPT ); Mon, 11 Aug 2008 18:11:20 -0400 Message-ID: <48A0B905.20603@hp.com> Date: Mon, 11 Aug 2008 15:11:17 -0700 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: "Kok, Auke" CC: David Miller , cl@linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: tbench regression on each kernel release from 2.6.22 -> 2.6.28 References: <48A086B6.2000901@linux-foundation.org> <20080811.141501.01468546.davem@davemloft.net> <48A0B037.501@linux-foundation.org> <20080811.145047.105665450.davem@davemloft.net> <48A0B571.7010903@intel.com> In-Reply-To: <48A0B571.7010903@intel.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: AAAAAQAAAAI= X-Whitelist: TRUE Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Kok, Auke wrote: > David Miller wrote: > >>From: Christoph Lameter >>Date: Mon, 11 Aug 2008 16:33:43 -0500 >> >> >>>Maybe what we are seeing is general bloat in kernel execution paths >>>due to the growth in complexity? >> >>It could be, and any kind of analysis into this would be great. > > > perhaps Rick Jones who maintains netperf could enlighten us on some historic > numbers? he usually seems to be happy to prop up new netperf numbers :) While this is an excellent opening to talk about how netperf top-of-trunk can now emit keyword=value results easier (ostensibly) to put into a database then the regular or even CSV output formats, I cannot fully exploit it by pointing at a database of results :( rick jones