From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266529AbUGKJaV (ORCPT ); Sun, 11 Jul 2004 05:30:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266531AbUGKJaV (ORCPT ); Sun, 11 Jul 2004 05:30:21 -0400 Received: from mail010.syd.optusnet.com.au ([211.29.132.56]:23686 "EHLO mail010.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S266529AbUGKJaR (ORCPT ); Sun, 11 Jul 2004 05:30:17 -0400 References: <20040709182638.GA11310@elte.hu> <20040709195105.GA4807@infradead.org> <20040710124814.GA27345@elte.hu> <40F0075C.2070607@kolivas.org> <20040710151455.GA29140@devserv.devel.redhat.com> <40F008B0.8020702@kolivas.org> <20040711091807.GA16087@elte.hu> Message-ID: X-Mailer: http://www.courier-mta.org/cone/ From: Con Kolivas To: Ingo Molnar Cc: Arjan van de Ven , linux-kernel@vger.kernel.org Subject: Re: Voluntary Kernel Preemption Patch Date: Sun, 11 Jul 2004 19:29:55 +1000 Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="US-ASCII" Content-Disposition: inline Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar writes: > > * Con Kolivas wrote: > >> >>I've conducted some of the old fashioned Benno's latency test on this >> > >> > >> >is that the test which skews with irq's disabled ? (eg uses normal >> >interrupts and not nmi's for it's initial time inrq) >> >> It probably is; in which case all these results would be useless, no? >> >> http://www.gardena.net/benno/linux/latencytest-0.42.tar.gz > > did you run latencytest as root? I wish it were that simple to fix it. Here's what I said later in this thread: --- If you're interested the command I used was: ./do_tests none 3 256 0 1500000000 as root Which uses a 1.5Gb file during the disk i/o tests since my machine has 1Gb ram. --- Con