From: Philippe Gerum <rpm@xenomai.org>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: Jan Kiszka <jan.kiszka@domain.hid>, xenomai-core <xenomai@xenomai.org>
Subject: Re: [Xenomai-core] Timer optimisations, continued
Date: Thu, 27 Jul 2006 15:19:07 +0200 [thread overview]
Message-ID: <1154006347.4984.2.camel@domain.hid> (raw)
In-Reply-To: <17608.46241.732781.448429@domain.hid>
On Thu, 2006-07-27 at 14:42 +0200, Gilles Chanteperdrix wrote:
> Philippe Gerum wrote:
> > > o A further improvement should be achievable for scenarios 4 and 5 by
> > > introducing absolute xntimers (more precisely: a flag to
> > > differentiate between the mode on xntimer_start). I have an outdated
> > > patch for this in my repos, needs re-basing.
> > >
> >
> > Grmblm... Well, I would have preferred that we don't add that kind of
> > complexity to the nucleus interface, but I must admit that some
> > important use cases are definitely better served by absolute timespecs,
> > so I would surrender to this requirement, provided the implementation is
> > confined to xnpod_suspend_thread() + xntimer_start().
>
> It would be nice if absolute timeouts were also available when using
> xnsynch_sleep_on. There are a few use cases in the POSIX skin.
Makes sense, since xnpod_suspend_thread() and xnsynch_sleep_on() are
tightly integrated interfaces.
>
--
Philippe.
next prev parent reply other threads:[~2006-07-27 13:19 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-13 10:51 [Xenomai-core] ns vs. tsc as internal timer base Jan Kiszka
2006-06-13 11:16 ` Philippe Gerum
2006-06-13 11:56 ` Jan Kiszka
2006-06-13 12:31 ` Philippe Gerum
2006-06-13 13:07 ` Gilles Chanteperdrix
2006-06-13 13:28 ` Philippe Gerum
2006-06-13 13:34 ` Gilles Chanteperdrix
2006-06-13 13:45 ` Philippe Gerum
2006-06-13 13:33 ` Jan Kiszka
2006-06-13 13:51 ` Philippe Gerum
2006-06-13 16:19 ` Jan Kiszka
2006-06-13 16:29 ` Gilles Chanteperdrix
2006-06-13 17:04 ` Philippe Gerum
2006-06-13 17:13 ` Gilles Chanteperdrix
2006-06-13 17:58 ` Philippe Gerum
2006-06-14 9:25 ` Jim Cromie
2006-06-14 12:29 ` Philippe Gerum
2006-06-14 13:07 ` Jan Kiszka
2006-06-14 16:04 ` Jan Kiszka
2006-07-25 18:26 ` [Xenomai-core] Timer optimisations, continued Jan Kiszka
2006-07-27 8:53 ` Philippe Gerum
2006-07-27 12:42 ` Gilles Chanteperdrix
2006-07-27 13:19 ` Philippe Gerum [this message]
2006-07-27 13:54 ` Jan Kiszka
2006-07-27 14:10 ` Philippe Gerum
2006-06-13 11:59 ` [Xenomai-core] ns vs. tsc as internal timer base Gilles Chanteperdrix
2006-06-13 12:00 ` Anders Blomdell
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