From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965004AbWFHUue (ORCPT ); Thu, 8 Jun 2006 16:50:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965005AbWFHUue (ORCPT ); Thu, 8 Jun 2006 16:50:34 -0400 Received: from 216-54-166-5.static.twtelecom.net ([216.54.166.5]:55228 "EHLO mx1.compro.net") by vger.kernel.org with ESMTP id S965004AbWFHUud (ORCPT ); Thu, 8 Jun 2006 16:50:33 -0400 Message-ID: <44888D8F.2000404@compro.net> Date: Thu, 08 Jun 2006 16:50:23 -0400 From: Mark Hounschell Reply-To: markh@compro.net Organization: Compro Computer Svcs. User-Agent: Thunderbird 1.5 (X11/20060111) MIME-Version: 1.0 To: tglx@linutronix.de Cc: linux-kerneL@vger.kernel.org, Ingo Molnar , Steven Rostedt Subject: Re: RT exec for exercising RT kernel capabilities References: <448876B9.9060906@compro.net> <1149795975.5257.83.camel@localhost.localdomain> In-Reply-To: <1149795975.5257.83.camel@localhost.localdomain> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Thomas Gleixner wrote: > Mark, > > On Thu, 2006-06-08 at 15:12 -0400, Mark Hounschell wrote: >> With the ongoing work being done to rt kernel enhancements by Ingo and friends, >> I would like to offer the use of a user land test (rt-exec). The rt-exec tests >> well the deterministic real-time capabilities of a computer. Maybe it could >> useful in some way to the effort or to anyone interested in making this type of >> determination about their kernel/computer. >> >> A README describing the rt-exec can be found at >> ftp://ftp.compro.net/public/rt-exec/README >> >> It can be downloaded from >> ftp://ftp.compro.net/public/rt-exec/rt-exec-1.0.0.tar.bz2 >> >> Complaints, comments, or suggestions welcome. > > Nice tool. > > Some remarks. You can build high resolution timer support without the > extra lib package from the HRT sourceforge site. You need a recent glibc > and some quirks in the source. See the cyclictest program I'm using. > http://www.tglx.de/projects/misc/cyclictest/cyclictest-v0.8.tar.bz2 > I didn't realize that. Right you are. > It would also be cute to add tests for the PI support for > pthread_mutexes. > > tglx I'm not sure what one needs to do in user land to actually test that but I'll investigate. Thanks Mark