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Date: Thu, 15 Mar 2007 10:56:41 +0100
From: Markus Franke <Markus.Franke@domain.hid>
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Subject: Re: [Xenomai-help] xenomai on (old) laptop
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To: Theo Veenker <Theo.Veenker@domain.hid>
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Theo Veenker wrote:
> Hi all,
> 
> I'm preparing a Toshiba Satellite S1400-153E laptop for field work.
> It used to run redhat 9 + RTLinux, but now it runs Ubuntu 6.06 +
> Xenomai 2.3.
> 
> Unfortunately the latency test shows high latencies (200..500us) at
> irregular intervals (5..20 sec) whereas the typical max latency is
> around 10 us. It doesn't seem to be related to any user action.
> 
> I don't think this thing has SMI, anyway xenomai doesn't detect it.
> It also doesn't have a local APIC. What could be the cause of these
> high latencies?
> 
> Anyone using a laptop of this kind?
> 
> Regards,
> Theo
> 
> 
> 
> 
> _______________________________________________
> Xenomai-help mailing list
> Xenomai-help@domain.hid
> https://mail.gna.org/listinfo/xenomai-help
> 

CPU Frequency Scaling?

-- 
Nichts ist so praktisch wie eine gute Theorie!

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