From: Philippe Gerum <rpm@xenomai.org>
To: "Ignacio García Pérez" <iggarpe@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] printk
Date: Sat, 12 Nov 2005 20:45:00 +0100 [thread overview]
Message-ID: <4376463C.7090908@domain.hid> (raw)
In-Reply-To: <437464B2.6030204@domain.hid>
Ignacio García Pérez wrote:
> Hi,
>
> I'm porting an app from RTAI to Xenomai, and when it came to the
> rt_printk function, I had to replace it with plain printk (the
> xnarch_log* functions all use printk).
>
> What I want to know if:
>
> 1- Is totally safe to call the standard kernel printk function from a
> real time task?
>
Yes.
> 2- Even if it's safe, can it affect the performance of a real time task?
> (or can it block under *any* conceivable condition?)
>
No.
> Thanks.
>
> Nacho.
>
>
>
> _______________________________________________
> Xenomai-help mailing list
> Xenomai-help@domain.hid
> https://mail.gna.org/listinfo/xenomai-help
>
--
Philippe.
next prev parent reply other threads:[~2005-11-12 19:45 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-10 21:05 [Xenomai-help] Creation of a rt-queue from the user space ROSSIER Daniel
2005-11-11 9:30 ` [Xenomai-help] printk Ignacio García Pérez
2005-11-11 11:07 ` Dmitry Adamushko
2005-11-14 10:52 ` Ignacio García Pérez
2005-11-14 11:26 ` Philippe Gerum
2005-11-14 12:03 ` Dmitry Adamushko
2005-11-14 13:22 ` Philippe Gerum
2005-11-14 13:47 ` Philippe Gerum
2005-11-14 14:50 ` [Xenomai-core] " Dmitry Adamushko
2005-11-14 15:56 ` [Xenomai-core] rt_pipe_* usage Ignacio García Pérez
2005-11-14 16:15 ` [Xenomai-core] More on rt pipes usage Ignacio García Pérez
2005-11-15 13:24 ` Philippe Gerum
2005-11-15 16:41 ` [Xenomai-help] " Ignacio García Pérez
2005-11-14 16:23 ` [Xenomai-core] rt_pipe_* usage Dmitry Adamushko
2005-11-14 16:36 ` Ignacio García Pérez
2005-11-15 12:41 ` [Xenomai-core] Web site error (API doc search) Ignacio García Pérez
2005-11-15 13:16 ` [Xenomai-core] rt_pipe_* usage Philippe Gerum
2005-11-15 16:22 ` Ignacio García Pérez
2005-11-16 5:38 ` Philippe Gerum
2005-11-15 9:38 ` [Xenomai-core] Re: [Xenomai-help] printk Philippe Gerum
2005-11-15 10:00 ` Dmitry Adamushko
2005-11-16 12:58 ` Philippe Gerum
2005-11-16 14:44 ` Dmitry Adamushko
2005-11-17 9:44 ` [Xenomai-help] Blocking reads from pipes Ignacio García Pérez
2005-11-17 10:21 ` Romain Lenglet
2005-11-17 13:16 ` Ignacio García Pérez
2005-11-17 15:11 ` Dmitry Adamushko
2005-11-17 17:24 ` Gilles Chanteperdrix
2005-11-17 17:55 ` [Xenomai-core] " Dmitry Adamushko
2005-11-17 19:17 ` Gilles Chanteperdrix
2005-11-17 19:45 ` Dmitry Adamushko
2005-11-18 8:57 ` Ignacio García Pérez
2005-11-18 9:10 ` Dmitry Adamushko
2005-11-17 19:40 ` Dmitry Adamushko
2005-11-17 10:46 ` Dmitry Adamushko
2005-11-14 12:15 ` [Xenomai-help] xn_pipe_create [minor] Ignacio García Pérez
2005-11-14 13:53 ` Dmitry Adamushko
2005-11-14 16:28 ` Ignacio García Pérez
2005-11-14 16:29 ` Philippe Gerum
2005-11-14 16:41 ` Ignacio García Pérez
2005-11-14 16:52 ` Dmitry Adamushko
2005-11-14 17:38 ` Philippe Gerum
2005-11-14 18:33 ` Dmitry Adamushko
2005-11-15 8:04 ` Philippe Gerum
2005-11-14 18:03 ` [Xenomai-help] Strange pipe behaviour Ignacio García Pérez
2005-11-16 5:45 ` Philippe Gerum
2005-11-16 7:45 ` Ignacio García Pérez
2005-11-16 11:45 ` Philippe Gerum
2005-11-14 16:40 ` [Xenomai-help] xn_pipe_create [minor] Dmitry Adamushko
2005-11-12 19:45 ` Philippe Gerum [this message]
2005-11-14 10:47 ` [Xenomai-help] Invalid characters in task's names Ignacio García Pérez
2005-11-14 11:39 ` Philippe Gerum
2005-11-11 14:08 ` [Xenomai-help] Creation of a rt-queue from the user space Jan Kiszka
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=4376463C.7090908@domain.hid \
--to=rpm@xenomai.org \
--cc=iggarpe@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.