From: Dominik Brodowski <linux@dominikbrodowski.net>
To: st3@riseup.net
Cc: Dave Jones <davej@redhat.com>,
cpufreq@lists.linux.org.uk, linux-kernel@vger.kernel.org
Subject: Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan
Date: Thu, 7 Jul 2005 23:29:50 +0200 [thread overview]
Message-ID: <20050707212950.GA25411@isilmar.linta.de> (raw)
In-Reply-To: <20050707232238.077c7c1c@horst.morte.male>
On Thu, Jul 07, 2005 at 11:22:38PM +0200, st3@riseup.net wrote:
> On Thu, 7 Jul 2005 23:10:33 +0200
> Dominik Brodowski <linux@dominikbrodowski.net> wrote:
>
> > Do you use ACPI-based idling? If so, in which state is the CPU in (cat
> > /proc/acpi/processor/*/power ? I suspect that you do not use ACPI (else
> > you wouldn't need the table-based approach) or that the ACPI-based idling is
> > broken on your notebook; as then the Linux idle handler only makes use of
> > "hlt" (IIRC), that is ACPI C1, while throttling "forces" ACPI C2 (again
> > IIRC).
>
> For idling, I didn't mean 'real idling', but instead just 'doing nothing'
> in ACPI C1 state, that's simply a CPU usage < 1%.
>
> Sorry for being so lame =)
That's exactly the "idling" I meant. So if it is only ACPI C1, then
throttling makes some sense. It makes more sense, though, to get ACPI C2, C3
and possibly C4 to work :)
Dominik
next prev parent reply other threads:[~2005-07-07 21:33 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-06 9:22 st3
2005-07-06 14:06 ` Dominik Brodowski
2005-07-06 19:45 ` st3
2005-07-06 16:30 ` Pedro Ramalhais
2005-07-06 19:58 ` Bill Davidsen
2005-07-06 21:11 ` Dave Jones
2005-07-06 21:55 ` st3
2005-07-07 20:00 ` enhanced intel speedstep feature was " st3
2005-07-07 20:06 ` Dave Jones
2005-07-07 20:22 ` st3
2005-07-07 20:40 ` Dave Jones
2005-07-07 20:51 ` Joseph Pingenot
2005-07-07 21:08 ` Dominik Brodowski
2005-07-07 21:34 ` Joseph Pingenot
2005-07-07 21:51 ` Dominik Brodowski
2005-07-07 21:10 ` Dominik Brodowski
2005-07-07 21:22 ` st3
2005-07-07 21:29 ` Dominik Brodowski [this message]
2005-07-07 21:59 ` st3
2005-07-08 5:10 ` Dominik Brodowski
2005-07-08 8:58 ` st3
2005-07-08 10:59 ` Nikolay Pelov
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