From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Mark Saiia <mark.saiia@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] geode gx1 latencies
Date: Thu, 09 Apr 2009 11:26:37 +0200 [thread overview]
Message-ID: <49DDBF4D.1060708@domain.hid> (raw)
In-Reply-To: <67b6b3430904081529n36226987r3708908b974d8d1a@domain.hid>
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.
next prev parent reply other threads:[~2009-04-09 9:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-28 3:27 [Xenomai-core] geode gx1 latencies Steven Seeger
2009-03-31 10:01 ` Gilles Chanteperdrix
2009-04-08 22:29 ` Mark Saiia
2009-04-09 9:26 ` Gilles Chanteperdrix [this message]
2009-04-09 23:23 ` Mark Saiia
2009-04-09 23:27 ` Gilles Chanteperdrix
2009-04-09 23:30 ` Gilles Chanteperdrix
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