From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263583AbTIHU1F (ORCPT ); Mon, 8 Sep 2003 16:27:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263584AbTIHU1F (ORCPT ); Mon, 8 Sep 2003 16:27:05 -0400 Received: from e35.co.us.ibm.com ([32.97.110.133]:11687 "EHLO e35.co.us.ibm.com") by vger.kernel.org with ESMTP id S263583AbTIHU1C (ORCPT ); Mon, 8 Sep 2003 16:27:02 -0400 Subject: Re: I/O degredation with AS on 2.6.0-test3 From: Dave Hansen To: Mike Sullivan Cc: Linux Kernel Mailing List In-Reply-To: References: Content-Type: text/plain Organization: Message-Id: <1063052763.29025.100.camel@nighthawk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.4 Date: 08 Sep 2003 13:26:04 -0700 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org You might want to try Martin Bligh's diffprofile utility. It's a bit hard to compare 2 500-line profiles without it. ftp://ftp.kernel.org/pub/linux/kernel/people/mbligh/tools/ Also, there have evidently been a few I/O scheduler fixes since -test3. Please retry with -test5. -- Dave Hansen haveblue@us.ibm.com