From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965021AbWDHQgK (ORCPT ); Sat, 8 Apr 2006 12:36:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965023AbWDHQgK (ORCPT ); Sat, 8 Apr 2006 12:36:10 -0400 Received: from [4.79.56.4] ([4.79.56.4]:62647 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S965021AbWDHQgJ (ORCPT ); Sat, 8 Apr 2006 12:36:09 -0400 Subject: Re: 40% IDE performance regression going from FC3 to FC5 with same kernel From: Arjan van de Ven To: Alessandro Suardi Cc: Linux Kernel In-Reply-To: <5a4c581d0604080927g532b6d10y7992d9adb4e63d08@mail.gmail.com> References: <5a4c581d0604080747w61464d48k5480391d98b2bc47@mail.gmail.com> <5a4c581d0604080834k7961aff5l7794b8893325a90c@mail.gmail.com> <1144511112.2989.8.camel@laptopd505.fenrus.org> <5a4c581d0604080927g532b6d10y7992d9adb4e63d08@mail.gmail.com> Content-Type: text/plain Date: Sat, 08 Apr 2006 18:36:06 +0200 Message-Id: <1144514167.2989.10.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2006-04-08 at 18:27 +0200, Alessandro Suardi wrote: > On 4/8/06, Arjan van de Ven wrote: > > > > > Just for the record - no, even rebuilding same kernel with same GCC > > > (3.4.4) under FC5, disk performance is much slower than FC3 - > > > according to hdparm _and_ dd tests. > > > > what happens if you kill hald and other inotify using animals? > > Thanks Arjan for looking into this. > > Stopping hald brings hdparm from 18.5MB/s to 20MB/s, which is > indeed a noticeable improvement, though still far from the FC3 > performance. I'm unsure what else can be stopped however > from this process list: > > 274 ? S