From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: "Jens Köhler" <jenskxxx@googlemail.com>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai] Xenomai and normal linux application - Wait time with select() not reliable
Date: Wed, 04 Jul 2012 10:45:33 +0200 [thread overview]
Message-ID: <4FF402AD.3020601@xenomai.org> (raw)
In-Reply-To: <CAL7_A_WYVjFhh9RuxAm1jtVp7HqakB5gEzkSt8i7XsWJNJrh=Q@mail.gmail.com>
On 07/04/2012 10:36 AM, Jens Köhler wrote:
> Thank you for your response Gilles. I set thread to SCHED_FIFO policy
> with chrt command, Prio 99. But there is no improvement. Also
> nanosleep do not help. The kernel is 2.6.26. What could be reason that
> kernel is not restart thread when time is over?
It could be that the xenomai activity, if any, is running for long
periods of time and causing linux ticks to be delayed. As usual, it
would help if you could provide a self-contained test-case allowing us
to reproduce the issue.
--
Gilles.
next prev parent reply other threads:[~2012-07-04 8:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-03 13:30 [Xenomai] Xenomai and normal linux application - Wait time with select() not reliable Jens Köhler
2012-07-03 21:53 ` Gilles Chanteperdrix
2012-07-04 8:36 ` Jens Köhler
2012-07-04 8:45 ` Gilles Chanteperdrix [this message]
2012-07-04 10:06 ` Philippe Gerum
2012-07-04 11:45 ` Jens Köhler
2012-07-04 12:04 ` Gilles Chanteperdrix
[not found] ` <CAL7_A_VQe-KGBoYq034hT=6CdJJPpwEQTs1EgDQ=325WjOfUzw@mail.gmail.com>
2012-07-04 12:57 ` Gilles Chanteperdrix
2012-07-04 13:10 ` Jens Köhler
2012-07-04 13:17 ` Jens Köhler
2012-07-04 13:22 ` Gilles Chanteperdrix
[not found] ` <CAL7_A_WTJUeWNTTra2t9veiyWMxC5VtpotocMHGPdU1v7QAxKA@mail.gmail.com>
[not found] ` <4FF44C52.6050809@xenomai.org>
[not found] ` <CAL7_A_VUC8JD9yeMnLt2iJQ0ex_at3QMhiL3cQ5CHPFh0rcJRA@mail.gmail.com>
[not found] ` <4FF585C4.1000708@xenomai.org>
2012-11-19 13:29 ` Jens Köhler
2012-11-19 13:42 ` Gilles Chanteperdrix
2012-12-03 7:59 ` Jens Köhler
2012-12-03 9:26 ` Gilles Chanteperdrix
2012-12-04 10:09 ` Jens Köhler
[not found] ` <CAL7_A_XHtj19V3gnog7_Hoer6UGxRJfoFwT0sgzQvhtARB3b9A@mail.gmail.com>
2013-01-21 12:09 ` Gilles Chanteperdrix
[not found] ` <CAL7_A_Wkjj1mTeDcEfDzPKFkQhiYeChPgC=ggVkedxqy=yaLng@mail.gmail.com>
2013-01-21 18:48 ` Gilles Chanteperdrix
2012-07-04 13:33 ` 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=4FF402AD.3020601@xenomai.org \
--to=gilles.chanteperdrix@xenomai.org \
--cc=jenskxxx@googlemail.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.