From: Lee Revell <rlrevell@joe-job.com>
To: john stultz <johnstul@us.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
Roger Heflin <rheflin@atipa.com>,
"'linux-kernel'" <linux-kernel@vger.kernel.org>
Subject: RE: Dual core Athlons and unsynced TSCs
Date: Fri, 13 Jan 2006 20:27:18 -0500 [thread overview]
Message-ID: <1137202039.1408.42.camel@mindpipe> (raw)
In-Reply-To: <1137201821.11300.30.camel@cog.beaverton.ibm.com>
On Fri, 2006-01-13 at 17:23 -0800, john stultz wrote:
> On Fri, 2006-01-13 at 20:14 -0500, Lee Revell wrote:
> > On Fri, 2006-01-13 at 20:10 -0500, Steven Rostedt wrote:
> > >
> > > Thanks, I'll add that to my list of tests too.
> > >
> > > Oh and 2.6.15 passed as well (with clock=pmtmr)
> >
> > It really seems like it would fail if you gave it enough time due to the
> > rdtsc in monotonic_clock()...
>
> Currently monotonic_clock()is only used by the hangcheck-timer, and is
> not used by gettimeofday/clock_gettime (even w/ CLOCK_MONOTONIC).
>
> So there may still be an issue there w/ the hangcheck-timer(for x86-64,
> on i386 the acpi pm timer can be used for monotonic_clock), but its
> doesn't affect the time related userland interfaces.
OK so the last question is how do we make sure the kernel uses the
clock=pmtmr behavior by default on those machines?
Lee
next prev parent reply other threads:[~2006-01-14 1:27 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-12 22:17 Dual core Athlons and unsynced TSCs Lee Revell
2006-01-13 15:10 ` Roger Heflin
2006-01-13 16:04 ` Steven Rostedt
2006-01-13 17:47 ` Lee Revell
2006-01-13 17:52 ` Steven Rostedt
2006-01-13 17:54 ` Lee Revell
2006-01-13 18:41 ` Steven Rostedt
2006-01-13 18:55 ` Lee Revell
2006-01-13 20:09 ` Steven Rostedt
2006-01-13 20:26 ` Steven Rostedt
2006-01-13 20:40 ` Lee Revell
2006-01-13 20:43 ` Lee Revell
2006-01-13 20:46 ` Thomas Gleixner
2006-01-13 20:48 ` Lee Revell
2006-01-13 20:51 ` Thomas Gleixner
2006-01-13 20:52 ` Steven Rostedt
2006-01-13 21:05 ` Steven Rostedt
2006-01-13 21:10 ` Thomas Gleixner
2006-01-13 21:17 ` Steven Rostedt
2006-01-16 9:52 ` Thomas Gleixner
2006-01-16 15:55 ` Steven Rostedt
2006-01-14 0:23 ` john stultz
2006-01-14 1:10 ` Steven Rostedt
2006-01-14 1:14 ` Lee Revell
2006-01-14 1:23 ` john stultz
2006-01-14 1:27 ` Lee Revell [this message]
2006-01-14 1:39 ` john stultz
2006-01-14 1:43 ` Steven Rostedt
2006-01-14 1:50 ` john stultz
2006-01-14 2:15 ` Steven Rostedt
2006-01-14 2:34 ` Steven Rostedt
2006-01-16 1:19 ` Andi Kleen
2006-01-14 6:54 ` Christoph Lameter
2006-01-13 18:06 ` thockin
2006-01-13 17:58 ` Lee Revell
2006-01-13 18:16 ` thockin
2006-01-13 18:09 ` Lee Revell
2006-01-13 18:55 ` thockin
2006-01-13 18:56 ` Sven-Thorsten Dietrich
2006-01-13 19:00 ` Lee Revell
2006-01-13 19:07 ` Sven-Thorsten Dietrich
2006-01-13 21:18 ` David Lang
2006-01-13 21:56 ` thockin
2006-01-13 22:05 ` David Lang
2006-01-13 22:18 ` Sven-Thorsten Dietrich
2006-01-13 22:49 ` David Lang
2006-01-14 0:41 ` Andreas Steinmetz
2006-01-14 1:04 ` David Lang
2006-01-14 1:21 ` Andreas Steinmetz
2006-01-14 1:51 ` thockin
2006-01-15 8:52 ` Zan Lynx
2006-01-15 16:25 ` thockin
2006-01-15 16:33 ` Lee Revell
2006-01-15 18:21 ` thockin
2006-01-15 18:29 ` Lee Revell
2006-01-15 18:49 ` thockin
2006-01-14 1:13 ` thockin
2006-01-13 22:23 ` thockin
2006-01-13 19:13 ` Xavier Bestel
2006-01-13 19:32 ` thockin
2006-01-13 20:58 ` Steven Rostedt
[not found] <5ujmj-1UQ-511@gated-at.bofh.it>
[not found] ` <5uBnF-2SG-11@gated-at.bofh.it>
[not found] ` <5uBnF-2SG-9@gated-at.bofh.it>
[not found] ` <5uBxi-3iM-21@gated-at.bofh.it>
[not found] ` <5uBGY-3ul-21@gated-at.bofh.it>
[not found] ` <5uCa5-443-45@gated-at.bofh.it>
[not found] ` <5uCjF-4fW-15@gated-at.bofh.it>
[not found] ` <5uCtj-4Fi-15@gated-at.bofh.it>
2006-01-14 0:24 ` Robert Hancock
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