linux-kernel - Re: [Acpi4asus-user] [PATCH 1/1] cpufreq: eeepc 900 frequency scaling driver

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Message-ID: <492ADF5E.2050709@compton.nu>
Date:	Mon, 24 Nov 2008 17:07:42 +0000
From:	Tom Hughes <tom@...pton.nu>
To:	Corentin Chary <corentin.chary@...il.com>
CC:	Thomas Renninger <trenn@...e.de>,
	acpi4asus-user@...ts.sourceforge.net,
	Dave Jones <davej@...hat.com>,
	Cristiano Prisciandaro <cristiano.p@...net.ch>,
	linux-kernel@...r.kernel.org, cpufreq@...r.kernel.org
Subject: Re: [Acpi4asus-user] [PATCH 1/1] cpufreq: eeepc 900 frequency scaling
 driver

Corentin Chary wrote:

> Just modprobe p4-clockmod
> - use cpufreq to go to the lower frequency
> - run something cpu intensive
> - go to the higher frequency (900mghz)
> - you'll see the difference
> 
> at least, it works with my eeepc 700, maybe 900 is different for that,
> but it seems unlikely to me.

Have a look at http://www.codemonkey.org.uk/projects/eeepc/ for an 
explanation of what p4-clockmod does and why it isn't really changing 
the speed of the processor (but does cause you to get less work done).

tom

-- 
Tom Hughes (tom@...pton.nu)
http://www.compton.nu/
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