From: Anders Blomdell <anders.blomdell@domain.hid>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai-core <xenomai@xenomai.org>
Subject: Re: [Xenomai-core] ns vs. tsc as internal timer base
Date: Tue, 13 Jun 2006 14:00:02 +0200 [thread overview]
Message-ID: <448EA8C2.6010004@domain.hid> (raw)
In-Reply-To: <448E98A3.6080707@domain.hid>
Jan Kiszka wrote:
> Hi,
>
> To avoid loosing the optimisation again in ns_to_tsc, I thought about
> basing the whole internal timer arithmetics on nanoseconds instead of
> TSCs as it is now.
Good idea, makes it simpler to adopt to laptop frequency scaling and deep ACPI
sleep, i.e. sync Xenomai time to the ACPI timer.
/Anders
--
Anders Blomdell Email: anders.blomdell@domain.hid
Department of Automatic Control
Lund University Phone: +46 46 222 4625
P.O. Box 118 Fax: +46 46 138118
SE-221 00 Lund, Sweden
prev parent reply other threads:[~2006-06-13 12:00 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
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 [this message]
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