From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: roland Tollenaar <rolandtollenaar@domain.hid>
Cc: Xenomai-help@domain.hid
Subject: Re: [Xenomai-help] Latencies due to RT-Socket-CAN register accesses
Date: Tue, 24 Apr 2007 10:56:07 +0200 [thread overview]
Message-ID: <462DC627.9030203@domain.hid> (raw)
In-Reply-To: <bc4264770704240144n74d4cfa0lafcbc84b76e06822@domain.hid>
roland Tollenaar wrote:
>>In case all that fails, enable the I-pipe tracer, run latency with the
>>-f option, and check /proc/ipipe/trace/frozen once you observed the high
>>latency in latency.
>
> Have done this and attached the result. I have looked at it myself but
> cannot interpret the meaning.
>
> A bit of help would be appreciated.
Your machine looks overloaded with some VM activity. What does top say ?
--
Gilles Chanteperdrix
next prev parent reply other threads:[~2007-04-24 8:56 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-13 10:52 [Xenomai-help] Latencies due to RT-Socket-CAN register accesses Wolfgang Grandegger
2007-03-13 13:16 ` [Xenomai-help] " Roland Tollenaar
2007-03-13 13:29 ` Wolfgang Grandegger
2007-03-13 13:41 ` Roland Tollenaar
2007-03-13 14:06 ` Wolfgang Grandegger
2007-03-14 9:33 ` Wolfgang Grandegger
2007-03-28 17:05 ` roland Tollenaar
2007-03-28 18:50 ` Wolfgang Grandegger
2007-03-29 2:17 ` Roland Tollenaar
2007-03-29 8:38 ` Stéphane ANCELOT
2007-03-29 8:59 ` Wolfgang Grandegger
2007-03-29 16:44 ` Roland Tollenaar
2007-03-29 18:51 ` Gilles Chanteperdrix
2007-03-29 18:59 ` Wolfgang Grandegger
2007-04-23 15:09 ` [Xenomai-help] " roland Tollenaar
2007-04-23 18:28 ` Gilles Chanteperdrix
2007-04-24 8:44 ` roland Tollenaar
2007-04-24 8:56 ` Gilles Chanteperdrix [this message]
2007-04-24 10:27 ` roland Tollenaar
2007-04-24 10:27 ` roland Tollenaar
2007-04-24 12:57 ` Gilles Chanteperdrix
2007-04-24 18:36 ` roland Tollenaar
2007-04-24 9:05 ` Jan Kiszka
2007-04-24 10:31 ` roland Tollenaar
2007-04-24 10:51 ` Jan Kiszka
2007-04-24 12:14 ` roland Tollenaar
2007-04-24 12:32 ` Jan Kiszka
2007-04-24 10:57 ` Wolfgang Grandegger
2007-04-24 11:00 ` Jan Kiszka
2007-04-24 12:17 ` roland Tollenaar
2007-04-24 12:19 ` roland Tollenaar
2007-04-24 12:44 ` Wolfgang Grandegger
2007-04-25 9:04 ` Stéphane ANCELOT
2007-04-25 11:02 ` Roland Tollenaar
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