From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932069AbWF3VDs (ORCPT ); Fri, 30 Jun 2006 17:03:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932223AbWF3VDs (ORCPT ); Fri, 30 Jun 2006 17:03:48 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:23440 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S932069AbWF3VDr (ORCPT ); Fri, 30 Jun 2006 17:03:47 -0400 Subject: Re: SATA in 2.6.17 vs 2.6.15 (x86/ICH6) From: Lee Revell To: William Thompson Cc: linux-kernel@vger.kernel.org In-Reply-To: <20060630184156.GA8086@electro-mechanical.com> References: <20060630184156.GA8086@electro-mechanical.com> Content-Type: text/plain Date: Fri, 30 Jun 2006 17:04:00 -0400 Message-Id: <1151701440.32444.44.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2006-06-30 at 14:41 -0400, William Thompson wrote: > *** I'm not on the list, please always keep me in CC *** > > The speed of SATA in 2.6.17 is significantly lower in my test than 2.6.15. > > In .15, I would see over 10mb/sec avg writing over 16,000 files (~2.4gb) to a > fat32 partition. > > In .17, I see it start at 2-3mb/sec and work it's way down to 500kb/sec > towards the end. Even the system is not as responsive (The system's / is a > tmpfs which all programs, including /usr, are stored), not even when using > ssh. > > I used the same .config in .17 as I did with .15 (make oldconfig) What does the oprofile output look like for both cases? Lee