From: Philippe Gerum <rpm@xenomai.org>
To: "Wu, John" <John.Wu@domain.hid>
Cc: "Chau, Ngaiman" <Ngaiman.Chau@domain.hid>, xenomai@xenomai.org
Subject: Re: [Xenomai-core] Anybody Has Sample Code of Message Queue Performance Measurement in User Space for Xenomai Native Mode?
Date: Thu, 09 Mar 2006 20:38:50 +0100 [thread overview]
Message-ID: <4410844A.5040509@domain.hid> (raw)
In-Reply-To: <FA9961D07FD27B4EB6058C0F35F3D0D17CD9A3@domain.hid>
Wu, John wrote:
> Hi Philippe,
>
> Thanks for the information. Does the message queue API can only be used
> between kernel sapce and user space only? How about from user space
> task to another user space task?
>
Also works. The uniform queue descriptor blurs the kernel/user-space and process
boundaries. It should be seen as a communication endpoint.
> Regards,
>
> John
>
> -----Original Message-----
> From: Philippe Gerum [mailto:rpm@xenomai.org]
> Sent: Thursday, March 09, 2006 5:06 AM
> To: Wu, John
> Cc: xenomai@xenomai.org; Chau, Ngaiman
> Subject: Re: [Xenomai-core] Anybody Has Sample Code of Message Queue
> Performance Measurement in User Space for Xenomai Native Mode?
>
> Wu, John wrote:
>
>>We are in the process of calibrating Xenomai native API message queue
>>performance in user space application. Does anybody has sample code
>>to share with us?
>>
>>
>
>
> Have a look at ksrc/skins/native/snippets/msg_queue.c.
>
>
>>----------------------------------------------------------------------
>>--
>>
>>_______________________________________________
>>Xenomai-core mailing list
>>Xenomai-core@domain.hid
>>https://mail.gna.org/listinfo/xenomai-core
>
>
>
--
Philippe.
next prev parent reply other threads:[~2006-03-09 19:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-09 18:56 [Xenomai-core] Anybody Has Sample Code of Message Queue Performance Measurement in User Space for Xenomai Native Mode? Wu, John
2006-03-09 19:38 ` Philippe Gerum [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-03-08 21:35 Wu, John
2006-03-09 13:05 ` Philippe Gerum
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=4410844A.5040509@domain.hid \
--to=rpm@xenomai.org \
--cc=John.Wu@domain.hid \
--cc=Ngaiman.Chau@domain.hid \
--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.