From: Sitsofe Wheeler <sitsofe@yahoo.com>
To: Jesper Krogh <jesper@krogh.cc>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.6.29-rc6 (clocksource)
Date: Sun, 1 Mar 2009 15:44:33 +0000 [thread overview]
Message-ID: <20090301154433.GA25246@silver.sucs.org> (raw)
In-Reply-To: <49AAA50F.5070209@krogh.cc>
On Sun, Mar 01, 2009 at 04:09:03PM +0100, Jesper Krogh wrote:
> Jesper Krogh wrote:
> >The "current_clocsource" is the same on both systems.
> >
> >$ cat /sys/devices/system/clocksource/clocksource0/current_clocksource
> >tsc
>
> What selects the "current_clocksource"? I tried to boot one of the
> kernels hat have the problem on another piece of hardware and on that
> system it ended up defaulting to "acpi_pm" instead of "tsc".
I believe different clock sources have different priorities based on
their resolution and behaviour. Clock sources's that "go bad" because
hardware interactions are hopefully detected and subsequent "best" clock
sources are then tried.
There was a nice treatment of different clocksourcs in this
kernelnewbies thread:
http://www.mail-archive.com/kernelnewbies@nl.linux.org/msg05164.html .
--
Sitsofe | http://sucs.org/~sits/
prev parent reply other threads:[~2009-03-01 15:44 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-23 4:31 Linux 2.6.29-rc6 Linus Torvalds
2009-02-23 14:07 ` Linux 2.6.29-rc6 - Fix oops in i915_gem_retire_requests Karsten Wiese
2009-02-26 11:15 ` Linux 2.6.29-rc6 Jesper Krogh
2009-02-26 17:17 ` MTD_CK804XROM warning (Was: Linux 2.6.29-rc6) Marcin Slusarz
2009-02-26 17:53 ` Linux 2.6.29-rc6 Linus Torvalds
2009-02-26 19:22 ` David Woodhouse
2009-02-26 19:31 ` Jesper Krogh
2009-02-26 19:36 ` David Woodhouse
2009-02-26 19:46 ` Jesper Krogh
2009-02-26 19:49 ` David Woodhouse
2009-02-26 20:53 ` Carl-Daniel Hailfinger
2009-02-26 20:32 ` Linus Torvalds
2009-02-26 19:55 ` Jesper Krogh
2009-02-26 20:33 ` Linus Torvalds
2009-02-26 20:43 ` Jesper Krogh
2009-02-26 21:19 ` john stultz
2009-02-26 21:35 ` Jesper Krogh
2009-02-26 21:46 ` john stultz
2009-02-26 21:54 ` Thomas Gleixner
2009-02-26 22:04 ` Jesper Krogh
2009-02-27 6:30 ` Jesper Krogh
2009-03-01 13:51 ` Jesper Krogh
2009-02-26 21:49 ` Linus Torvalds
2009-03-01 15:04 ` Jesper Krogh
2009-02-26 21:54 ` john stultz
2009-02-26 22:06 ` Thomas Gleixner
2009-02-26 22:24 ` Linus Torvalds
2009-02-26 22:31 ` Linus Torvalds
2009-02-26 22:31 ` john stultz
2009-02-26 22:40 ` Linus Torvalds
2009-02-26 22:59 ` john stultz
2009-02-27 7:33 ` Ingo Molnar
2009-02-27 20:50 ` john stultz
2009-02-27 6:47 ` Jesper Krogh
2009-02-27 20:35 ` john stultz
2009-03-01 20:13 ` Jesper Krogh
2009-03-02 9:53 ` Jesper Krogh
2009-03-02 21:27 ` john stultz
2009-03-03 6:04 ` Jesper Krogh
2009-03-03 19:53 ` john stultz
2009-03-03 20:19 ` Jesper Krogh
2009-03-03 22:22 ` john stultz
2009-03-04 15:30 ` Jesper Krogh
2009-03-04 18:36 ` Jesper Krogh
2009-03-04 18:57 ` John Stultz
2009-03-05 2:39 ` john stultz
2009-03-05 2:52 ` john stultz
2009-03-05 8:43 ` Ingo Molnar
2009-03-06 3:13 ` john stultz
2009-03-06 3:54 ` john stultz
2009-03-06 11:34 ` Ingo Molnar
2009-03-09 20:42 ` Jesper Krogh
2009-03-10 4:26 ` Linus Torvalds
2009-03-10 11:29 ` Thomas Gleixner
2009-03-10 19:42 ` Jesper Krogh
2009-03-10 22:22 ` Thomas Gleixner
2009-03-15 19:53 ` Jesper Krogh
2009-03-16 18:40 ` Jesper Krogh
2009-03-15 1:19 ` Linus Torvalds
2009-03-15 15:44 ` Jesper Krogh
2009-03-15 18:09 ` Linus Torvalds
2009-03-15 18:38 ` Jesper Krogh
2009-03-15 19:02 ` Linus Torvalds
2009-03-15 19:52 ` Jesper Krogh
2009-03-16 18:59 ` Jesper Krogh
2009-03-16 19:32 ` Linus Torvalds
2009-03-17 1:43 ` john stultz
2009-03-17 8:14 ` Ingo Molnar
2009-03-17 15:48 ` Linus Torvalds
2009-03-17 16:13 ` Ingo Molnar
2009-03-17 16:28 ` Linus Torvalds
2009-03-17 16:40 ` Ingo Molnar
2009-03-17 17:28 ` Olivier Galibert
2009-03-21 9:11 ` Jesper Krogh
2009-03-21 10:06 ` Ingo Molnar
2009-03-15 20:32 ` Linus Torvalds
2009-03-03 20:39 ` Jesper Krogh
2009-03-03 22:16 ` john stultz
2009-03-04 5:36 ` Jesper Krogh
2009-03-01 15:09 ` Jesper Krogh
2009-03-01 15:44 ` Sitsofe Wheeler [this message]
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=20090301154433.GA25246@silver.sucs.org \
--to=sitsofe@yahoo.com \
--cc=jesper@krogh.cc \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@linux-foundation.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome