From: Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
To: tglx@linutronix.de
Cc: jwoithe@physics.adelaide.edu.au (Jonathan Woithe),
linux-kernel@vger.kernel.org
Subject: Re: 2.6.16-rt11: Hires timer makes sleep wait far too long
Date: Fri, 7 Apr 2006 09:28:09 +0930 (CST) [thread overview]
Message-ID: <200604062358.k36Nw92v004229@auster.physics.adelaide.edu.au> (raw)
In-Reply-To: <1144319324.5344.688.camel@localhost.localdomain> from "Thomas Gleixner" at Apr 06, 2006 12:28:43 PM
Thomas
> On Wed, 2006-04-05 at 09:51 +0930, Jonathan Woithe wrote:
> > ENABLING IO-APIC IRQs
> > ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
> > Event source pit new caps set: 05
> > Event source lapic installed with caps set: 02
> > :
> > Time: tsc clocksource has been installed.
> > hrtimers: Switched to high resolution mode CPU 0
> > :
> > Time: acpi_pm clocksource has been installed.
> > hrtimers: Switched to high resolution mode CPU 0
>
> Nothing wrong so far. I have to find a test box with pm timer to get
> some more info.
Note that the fault condition persisted no matter which clocksource was
in use: I tried all four (tsc, pm_timer, jiffies, pit) and they all resulted
in "sleep 1" lasting far longer than 1 second.
Feel free to email if I can be of further assistance. In the meantime I'll
try 2.6.16-rt12 over the weekend to see if the situation is any different.
Regards
jonathan
next prev parent reply other threads:[~2006-04-06 23:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-04 3:40 Jonathan Woithe
2006-04-04 4:26 ` Thomas Gleixner
2006-04-05 0:21 ` Jonathan Woithe
2006-04-06 10:28 ` Thomas Gleixner
2006-04-06 23:58 ` Jonathan Woithe [this message]
2006-04-10 7:27 ` Jonathan Woithe
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