From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Schwebel Subject: Re: Cyclictest expected results Date: Mon, 8 Oct 2007 16:06:50 +0200 Message-ID: <20071008140650.GJ23573@pengutronix.de> References: <1985e0f60709300837l1b16deedgb15575bc73a729ad@mail.gmail.com> <20070930183253.GW23573@pengutronix.de> <1985e0f60709302030q62d19dd3q398a5d0685353786@mail.gmail.com> <20071002065451.GM23573@pengutronix.de> <1985e0f60710070550w47b1ccd7na897920cbd0aeb40@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Cc: Thomas Gleixner , linux-rt-users@vger.kernel.org To: Jaswinder Singh Return-path: Received: from metis.extern.pengutronix.de ([83.236.181.26]:33665 "EHLO metis.extern.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751056AbXJHOG6 (ORCPT ); Mon, 8 Oct 2007 10:06:58 -0400 Content-Disposition: inline In-Reply-To: <1985e0f60710070550w47b1ccd7na897920cbd0aeb40@mail.gmail.com> Sender: linux-rt-users-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org On Sun, Oct 07, 2007 at 06:20:29PM +0530, Jaswinder Singh wrote: > I am also getting : > root@rd cycletest]# ./cyclictest -t 1 -p80 -n -i 10000 -l 10000 -q > T: 0 ( 2709) P:80 I:10000 C: 10000 Min: 8 Act: 16 Avg: 16 Max: 44 > [root@rd cycletest]# ./cyclictest -t 1 -p80 -i 10000 -l 10000 -q > T: 0 ( 2723) P:80 I:10000 C: 10000 Min: 21 Act: 30 Avg: 29 Max: 139 > [root@rd cycletest]# Doesn't look too bad. > I am quite strange why I start getting RT performance with ACPI. why I > need ACPI on my PC, I dont even use ACPI on my Laptop. acpi_pm provides a proper clocksource to your system which is a) sane and b) has enough resolution. > But I am not able to see performance difference in my GNOME > Environment. It is still very very slow, how can I boost X-Windows by > -rt patch. I'm not sure what you are expecting here? Realtime is about guaranteed latencies, not about speed. Robert -- Pengutronix - Linux Solutions for Science and Industry Entwicklungszentrum Nord http://www.pengutronix.de