From: Matthias Fechner <idefix@domain.hid>
To: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Strange results with latency test
Date: Thu, 9 Nov 2006 19:36:32 +0100 [thread overview]
Message-ID: <20061109183631.GB40200@domain.hid> (raw)
In-Reply-To: <45533582.40808@domain.hid>
Hello Gilles and Wolfgang,
* Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org> [09-11-06 15:04]:
> It means that Xenomai anticipates, that is, the timer is programmed
> to tick a bit early in order to account for the interrupt and scheduling
> latencies. In your case it is a bit too early, you can change this
> anticipation time at compilation time with the configuration constant
> CONFIG_OPT_TIMING_TIMERLAT and CONFIG_XENO_OPT_TIMING_SCHEDLAT, or
> change it at run time by writing a new value in /proc/xenomai/latency.
ah ok thx a lot for that information.
Best regards,
Matthias
--
"Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs, and the universe trying to
produce bigger and better idiots. So far, the universe is winning." --
Rich Cook
next prev parent reply other threads:[~2006-11-09 18:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-09 13:36 [Xenomai-help] Strange results with latency test Matthias Fechner
2006-11-09 14:04 ` Gilles Chanteperdrix
2006-11-09 18:36 ` Matthias Fechner [this message]
2006-11-09 14:12 ` Wolfgang Grandegger
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