From: Matt Mackall <mpm@selenic.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Chodorenko Michail <misha@one.by>, linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: Celeron Core
Date: Fri, 18 Jan 2008 18:27:57 -0600 [thread overview]
Message-ID: <1200702477.25782.41.camel@cinder.waste.org> (raw)
In-Reply-To: <p73prvyalfl.fsf@bingen.suse.de>
On Fri, 2008-01-18 at 22:11 +0100, Andi Kleen wrote:
> Chodorenko Michail <misha@one.by> writes:
>
> > I have a laptop "Extensa 5220", with the processor Celeron based on 'core'
> > technology.
> > There is ~ / arch/i386/kernel/cpu/cpufreq/p4-clockmod.c in the kernel
> > source code
> > but there's no line identification of my CPU for apply freqency change
> > need to add a ID line 0х16
>
> Note that driver will likely do clock throttling on your CPU.
> Using that is usually a bad idea because it does not actually
> safe power. It's only intended to let the CPU cool down in some situations.
Power consumption is more or less exactly equal to heat production
(that's where the power goes, after all!), so either clock throttling
DOES save power or it DOES NOT cool the CPU.
--
Mathematics is the supreme nostalgia of our time.
next prev parent reply other threads:[~2008-01-19 0:28 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-18 19:06 Chodorenko Michail
2008-01-18 21:11 ` Andi Kleen
2008-01-19 0:27 ` Matt Mackall [this message]
2008-01-19 1:15 ` Andi Kleen
2008-01-19 4:10 ` Matt Mackall
2008-01-19 4:27 ` Andi Kleen
2008-01-19 4:40 ` Matt Mackall
2008-01-19 4:54 ` Andi Kleen
2008-01-20 4:35 ` David Newall
2008-01-20 5:13 ` Andi Kleen
2008-01-20 5:23 ` David Newall
2008-01-20 5:42 ` Andi Kleen
2008-01-20 20:53 ` Lennart Sorensen
2008-01-20 11:18 ` Geert Uytterhoeven
[not found] <fa.2Y+LplM9PCtpiAXzv/aJ3Pcnv4Y@ifi.uio.no>
[not found] ` <fa.OpXJDCw416yeXEvt0cwrupi/qS0@ifi.uio.no>
[not found] ` <fa.sj34KNXkf9z/ZO3fVJ+CYcgcuCs@ifi.uio.no>
[not found] ` <fa.qpK4b5H7lkLeIaPtbJKzKV46yFY@ifi.uio.no>
[not found] ` <fa.WeBRuL3UPPVPESVzfopvVyNcAw4@ifi.uio.no>
[not found] ` <fa.LZLUxfR64dAZFPtin9JNet7ieiY@ifi.uio.no>
2008-01-20 18:24 ` Robert Hancock
2008-01-20 19:14 ` Matt Mackall
2008-01-20 19:24 ` Robert Hancock
2008-01-20 21:31 ` Rafael J. Wysocki
2008-01-21 7:48 ` Daniel Barkalow
2008-01-20 19:16 ` Andi Kleen
2008-01-20 22:06 Tomasz Chmielewski
2008-01-20 22:26 ` Rafael J. Wysocki
2008-01-21 10:11 ` Matthew Garrett
[not found] <fa.tHyDHqRNYFvp4N4SR4JtJRuqh0k@ifi.uio.no>
2008-01-21 23:59 ` Robert Hancock
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