Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752579AbZILJDu (ORCPT ); Sat, 12 Sep 2009 05:03:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751842AbZILJDt (ORCPT ); Sat, 12 Sep 2009 05:03:49 -0400 Received: from mail-in-13.arcor-online.net ([151.189.21.53]:41321 "EHLO mail-in-13.arcor-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751097AbZILJDt (ORCPT ); Sat, 12 Sep 2009 05:03:49 -0400 X-DKIM: Sendmail DKIM Filter v2.8.2 mail-in-17.arcor-online.net DA9033B25AE Message-ID: <4AAB63F8.1060301@arcor.de> Date: Sat, 12 Sep 2009 12:03:52 +0300 From: Nikos Chantziaras Organization: Lucas Barks User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090826 Thunderbird/3.0b3 MIME-Version: 1.0 To: Volker Armin Hemmann CC: Ingo Molnar , Jens Axboe , Mike Galbraith , Peter Zijlstra , Con Kolivas , LKML Subject: Re: BFS vs. mainline scheduler benchmarks and measurements References: <200909112033.34445.volkerarmin@googlemail.com> <4AAB4FC9.4060402@arcor.de> <200909121027.08244.volkerarmin@googlemail.com> In-Reply-To: <200909121027.08244.volkerarmin@googlemail.com> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1440 Lines: 51 On 09/12/2009 11:27 AM, Volker Armin Hemmann wrote: > Hi, > > On Samstag 12 September 2009, Nikos Chantziaras wrote: >> >> On 09/11/2009 09:33 PM, Volker Armin Hemmann wrote: >>> >>> this is with 2.6.31+reiser4+fglrx >>> Phenom II X4 955 >>> >>> KDE 4.3.1, composite temporary disabled. >>> tvtime running. >>> >>> load: >>> fat emerge with make -j5 running in one konsole tab (xulrunner being >>> compiled). >>> >>> without NO_NEW_FAIR_SLEEPERS: >>> >>> tvtime is smooth most of the time >>> >>> with NO_NEW_FAIR_SLEEPERS: >>> >>> tvtime is more jerky. Very visible in scenes with movement. >> >> Is the make -j5 running niced 0? > > yes. It always is. > >> If yes, that would be actually the >> correct behavior. > > maybe. But I do not complain about jerks at all. I have > > [ 3618.305918] hpet1: lost 1 rtc interrupts > > with tvtime running since I switched cpus - so something is wrong anyway. Seeing the "lost 1 rtc interrupts" message makes me wonder if this could possibly relate to problems with the C1E state on AMD systems (missing timer interrupts): http://lkml.org/lkml/2008/6/12/127 That thread is one year old though and your Phenom II CPU was released 7 months later. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/