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: Fri, 10 Apr 2009 01:30:10 +0200 [thread overview]
Message-ID: <49DE8502.7070408@domain.hid> (raw)
In-Reply-To: <49DE8478.9040301@domain.hid>
Gilles Chanteperdrix wrote:
> Mark Saiia wrote:
>> Attached is a tracelog. It was obtained with 2.6.27.19, with Xenomai
>> 2.4 maintenance branch, and Gilles' patch. In order to get the
>> application to run without overruns, I had to disable instrument
>> function entries in the kernel config. It is impossible to run
>> latency at the same time as the application with the ipipe tracer
>> enabled(probably due to resource scarcity?) as the system locks up, so
>> I was unable to do as Gilles suggested/requested (running latency -f
>> during the applications execution).
>
> What I meant is you to run the latency test alone, with some non
> real-time load. And to obtain useful traces, we need the "instrument
> function entries in the kernel config". You can increase the latency
> period to decrease the log.
to decrease the load, I mean.
--
Gilles.
prev parent reply other threads:[~2009-04-09 23:30 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
2009-04-09 23:23 ` Mark Saiia
2009-04-09 23:27 ` Gilles Chanteperdrix
2009-04-09 23:30 ` Gilles Chanteperdrix [this message]
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