From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <49DDBF4D.1060708@domain.hid> Date: Thu, 09 Apr 2009 11:26:37 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <17B3FD74-07D0-4F36-9836-8E03943DF917@domain.hid> <49D1EA0B.2020300@domain.hid> <67b6b3430904081529n36226987r3708908b974d8d1a@domain.hid> In-Reply-To: <67b6b3430904081529n36226987r3708908b974d8d1a@domain.hid> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-core] geode gx1 latencies List-Id: "Xenomai life and development \(bug reports, patches, discussions\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Mark Saiia Cc: xenomai@xenomai.org Mark Saiia wrote: > Gilles and list, > I have tested out your latest patch with 2.4maint, 2.627.19. It > appears to work fine, no crashes related to 3dnow and no floating > point issues. However, we are observing rather high latencies. This > is without the hack described in the above thread. > /proc/xenomai/timer shows clockdev as tsc. At around 2.5 minutes , I > did an ls in a while loop over a telnet connection in order to raise > cpu usage to 22%. Appended are the latency results. The latency results do not tell us much. Please send us traces made by the I-pipe tracer. -- Gilles.