From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: kidd <gong.kidd@gmail.com>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai] latency test
Date: Thu, 18 Apr 2013 13:42:52 +0200 [thread overview]
Message-ID: <516FDC3C.70503@xenomai.org> (raw)
In-Reply-To: <CAFByoKwn0==mQT_q9jnsWvbbTNNJ1cSaH0KaYN+Ryw34v-CZOQ@mail.gmail.com>
On 04/18/2013 10:48 AM, kidd wrote:
> Hi
> I post Adeos+xenomai to S3C6410 SOC with Linux-2.6.35.9, and the Linux
> kernel and Xenomai are ok when system boot(according the printed
> information when system boot)
> when I input "xeno latency", the information in screen is
>
> == Sampling period: 1000 us
> == Test mode: periodic user-mode task
> == All results in microseconds
> Xenomai: registered exported object dispsem-832 (semaphores)
> warming up...
>
>
> Then the system is hang (ctrl + C does not work). Through print debug
> information in code ,I guess the problem is in "display(in
> latency.c)->rt_sem_p"
>
> Can somebody help me to analyse the problem? Thanks
If you are porting xenomai to S3C6410, you should have a look at the
I-pipe porting guide:
http://xenomai.org/index.php/I-pipe-core:ArmPorting
the fact that the display task waits for the semaphore is probably not
the problem at all.
--
Gilles.
prev parent reply other threads:[~2013-04-18 11:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-18 8:48 [Xenomai] latency test kidd
2013-04-18 11:42 ` Gilles Chanteperdrix [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=516FDC3C.70503@xenomai.org \
--to=gilles.chanteperdrix@xenomai.org \
--cc=gong.kidd@gmail.com \
--cc=xenomai@xenomai.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.