From: Tony Lindgren <tony@atomide.com>
To: George Anzinger <george@mvista.com>
Cc: Pavel Machek <pavel@ucw.cz>, kernel list <linux-kernel@vger.kernel.org>
Subject: Re: VST patches ported to 2.6.11-rc1
Date: Wed, 19 Jan 2005 15:32:14 -0800 [thread overview]
Message-ID: <20050119233214.GA9975@atomide.com> (raw)
In-Reply-To: <41EEE9E4.4070105@mvista.com>
* George Anzinger <george@mvista.com> [050119 15:21]:
> George Anzinger wrote:
> >Pavel Machek wrote:
> >
> >>Hi!
> >>
> >>
> >>>I really hate sf download system... Here are those patches (only
> >>>common+i386) ported to 2.6.11-rc1.
> >>
> >>
> >>
> >>Good news is it booted. But I could not measure any powersavings by
> >>turning it on. (I could measure difference between HZ=100 and
> >>HZ=1000).
> >>
> >>Hmm, it does not want to do anything. threshold used to be 1000, does
> >>it mean that it would not use vst unless there was one second of quiet
> >>state? I tried to lower it to 10 ("get me HZ=100 power consumption")
> >>but it does not seem to be used, anyway:
>
> I wonder if the problem is that we are not disabling the PIT interrupt. I
> have a PIII SMP system so the interrupt path may be different and the code
> to stop interrupts may be wrong. The normal system does not admit to
> stopping the time base so it is possible that this is wrong.
That could make a difference as hlt and ACPI C2/C3 will wake to PIT
interrupt AFAIK.
Tony
prev parent reply other threads:[~2005-01-19 23:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-13 13:26 VST patches ported to 2.6.11-rc1 Pavel Machek
2005-01-13 19:23 ` George Anzinger
2005-01-13 20:02 ` Pavel Machek
2005-01-13 21:20 ` Tony Lindgren
2005-01-14 0:11 ` Pavel Machek
2005-01-14 1:03 ` George Anzinger
2005-01-19 23:14 ` George Anzinger
2005-01-19 23:32 ` Tony Lindgren [this message]
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