From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759544AbYDXNnq (ORCPT ); Thu, 24 Apr 2008 09:43:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752812AbYDXNni (ORCPT ); Thu, 24 Apr 2008 09:43:38 -0400 Received: from g4t0017.houston.hp.com ([15.201.24.20]:33582 "EHLO g4t0017.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752402AbYDXNnh (ORCPT ); Thu, 24 Apr 2008 09:43:37 -0400 Message-ID: <48108E85.50209@hp.com> Date: Thu, 24 Apr 2008 09:43:33 -0400 From: "Alan D. Brunelle" User-Agent: Thunderbird 2.0.0.12 (X11/20080227) MIME-Version: 1.0 To: "Alan D. Brunelle" Cc: linux-kernel@vger.kernel.org, Jens Axboe Subject: Re: [RFC][PATCH 0/3] Skip I/O merges when disabled References: <480F8936.5030406@hp.com> <48108BC6.5030409@hp.com> In-Reply-To: <48108BC6.5030409@hp.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Alan D. Brunelle wrote: > > Kernel NM I/Os per second > -------------------- -- --------------- > 2.6.25 (not patched) 483,727.36 > 2.6.25 + nomerges 0 483,880.96 > 2.6.25 + nomerges 1 483,921.92 Wrong chart, sorry: Kernel NM I/Os per second -------------------- -- --------------- 2.6.25 (not patched) 472.39 2.6.25 + nomerges 0 472.54 2.6.25 + nomerges 1 472.58 (Don't think a little 2-way box w/ 4 SATA drives can really approach 500K I/Os per second...) Alan