From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: "Landau, Bracha" <BLandau@domain.hid>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai-help] xenomai user app working very slowly
Date: Mon, 11 Jan 2010 18:53:21 +0100 [thread overview]
Message-ID: <4B4B6591.6090309@domain.hid> (raw)
In-Reply-To: <065A7D06F7D4E546A18E80E08D066E18146A3016C3@domain.hid>
Landau, Bracha wrote:
> I converted my regular posix application to a xenomai-posix
> application, hoping to see an improvement in performance. However,
> the new xenomai application runs e-x-t-r-e-m-e-l-y slowly, and seems
> to take undue amounts of CPU time.
>
> I configured the xenomai with -enable-smp and -enable-x86-sep. It is
> an Atom processor (a single cpu).
>
> Any ideas why this is happening?
Check:
http://www.xenomai.org/index.php/Porting_POSIX_applications_to_Xenomai
and:
http://www.xenomai.org/index.php/FAQs#What_may_cause_a_freeze_or_machine_lockup.3F
If you do not find what is wrong, please isolate the issue you have in a
small self-contained test case, which we can compile and run to
investigate your issue.
I insist on "which we can compile", we are not interested in partial
pieces of code with ellipsis where we have to figure out what you add to
run your test.
--
Gilles Chanteperdrix, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
next prev parent reply other threads:[~2010-01-11 17:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-11 17:36 [Xenomai-help] xenomai user app working very slowly Landau, Bracha
2010-01-11 17:53 ` Gilles Chanteperdrix [this message]
[not found] ` <4B4B64AF.3040704@domain.hid>
2010-01-12 11:32 ` Landau, Bracha
2010-01-12 11:36 ` Gilles Chanteperdrix
2010-01-14 13:53 ` [Xenomai-help] xenomai user app working very slowly - "select" issue Landau, Bracha
2010-01-14 14:49 ` Gilles Chanteperdrix
2010-01-21 16:29 ` Landau, Bracha
2010-01-21 16:32 ` Gilles Chanteperdrix
2010-01-21 16:41 ` Gilles Chanteperdrix
2010-01-21 16:45 ` Landau, Bracha
2010-01-21 16:49 ` Gilles Chanteperdrix
2010-01-21 17:11 ` Philippe Gerum
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