From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Walker Subject: Re: High resolution timers on AT91SAM926x Date: Wed, 05 Mar 2008 17:47:03 -0800 Message-ID: <1204768023.3368.0.camel@localhost.localdomain> References: <200803011457.40857.david-b@pacbell.net> <200803031039.57909.david-b@pacbell.net> <200803031729.19264.david-b@pacbell.net> <3efb10970803041222j61fd8d28k5cef0994b9bd6f12@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Remy Bohmer , David Brownell , linux-rt-users@vger.kernel.org To: Bosko Radivojevic Return-path: Received: from homer.mvista.com ([63.81.120.158]:42086 "EHLO gateway-1237.mvista.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1757802AbYCFBrG (ORCPT ); Wed, 5 Mar 2008 20:47:06 -0500 In-Reply-To: Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Tue, 2008-03-04 at 23:38 +0100, Bosko Radivojevic wrote: > Hello Remy, > > I tried today Xenomai (2.6.20.21 kernel, that is the last supported by > I-Pipe patch), the same example program (recompiled with Xenomai > libpthread_rt). Results are a little bit better (worst-case latency is > around 150us). Using Xenomai in native skin (as kernel module) > produces much better results (worst-case latency is around 50us). > Currently, I am looking for the best way to "transfer" application to > user land/posix. Maybe you could attach your test application? and specifics on how your running it? Daniel