From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Grandegger Subject: Re: Status of -rt for linux-2.6.20/arch/powerpc Date: Sun, 11 Feb 2007 17:39:51 +0100 Message-ID: <45CF46D7.4060703@grandegger.com> References: <45CEF997.3020101@grandegger.com> <20070211112933.GN29553@pengutronix.de> <45CF0E90.2080806@grandegger.com> <20070211155929.GQ29553@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-rt-users@vger.kernel.org To: Robert Schwebel Return-path: Received: from mail-out.m-online.net ([212.18.0.9]:59011 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750719AbXBKQjb (ORCPT ); Sun, 11 Feb 2007 11:39:31 -0500 In-Reply-To: <20070211155929.GQ29553@pengutronix.de> Sender: linux-rt-users-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org Robert Schwebel wrote: > On Sun, Feb 11, 2007 at 01:39:44PM +0100, Wolfgang Grandegger wrote: >>> We have 2.6.20-rt3 running on the phyCORE-MPC5200B, so that one should >>> work and the merge problems did probably come in later (don't have the >>> time to look right now because of the Embedded World activities for next >>> week). >> As I see it, 2.6.20-rt3 has the same issues (have now attached the >> missing make output). I fixed them manually and are now able to boot and >> run the 2.6.20-rt5 on my Icecube board. Nevertheless, cyclictest returns >> high values of around 8000-10000 (8-10ms). The fact that the unknown >> field 'is_continuous' in arch/powerpc/kernel/time.c is still present >> gives me the impression, that the code in there is not up-to-date. See >> you next week on the Embedded World. > > I have uploaded the latest results to this place: > > http://www.pengutronix.de/oselas/realtime/results/20070211-1/phyCORE-MPC5200B-tiny-20070211-1.png > > Note that this is still no waterproof measurement, with 100k data > points and only ad-hoc stressing. We'll do more testing after the > tradeshow. > > The 2.6.20-rt3 is a little bit patched, but I don't have the time right > now to dig into the details. We can discuss it on the Embedded World > next week, I'll take the patch stack with me. OK, great, thanks. See you next week. Wolfgang.