From: Andi Kleen <ak-l3A5Bk7waGM@public.gmane.org>
To: Bruno Ducrot <ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>
Cc: Andi Kleen <ak-l3A5Bk7waGM@public.gmane.org>,
acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: what is throttling?
Date: Wed, 6 Oct 2004 16:23:58 +0200 [thread overview]
Message-ID: <20041006142358.GO17247@wotan.suse.de> (raw)
In-Reply-To: <20041006141245.GB6785-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>
On Wed, Oct 06, 2004 at 04:12:45PM +0200, Bruno Ducrot wrote:
> On Wed, Oct 06, 2004 at 01:49:35PM +0200, Andi Kleen wrote:
> > AMD CPUs don't have it afaik.
>
> ducrot@poupoune:~$ cat /proc/acpi/processor/CPU1/throttling
> state count: 8
> active state: T0
> states:
> *T0: 00%
> T1: 12%
> T2: 25%
> T3: 37%
> T4: 50%
> T5: 62%
> T6: 75%
> T7: 87%
>
> though I don't see real usefullness for throttling anyway, so
> I've not tested if that works.
Indeed. It seems to work different from the Intel implementation
though, it doesn't skip clocks.
It's only useful to prevent your machine from melting when the
fan fails or someone misdesigns the cooling setup.
-Andi
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next prev parent reply other threads:[~2004-10-06 14:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-06 9:04 what is throttling? Keld Jørn Simonsen
[not found] ` <20041006090408.GA17104-EittdKFJ/bZ/SzgSGea1oA@public.gmane.org>
2004-10-06 10:05 ` Dominik Brodowski
2004-10-06 11:49 ` Andi Kleen
[not found] ` <20041006114935.GF17247-B4tOwbsTzaBolqkO4TVVkw@public.gmane.org>
2004-10-06 13:21 ` Ville Syrjälä
2004-10-06 14:12 ` Bruno Ducrot
[not found] ` <20041006141245.GB6785-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>
2004-10-06 14:23 ` Andi Kleen [this message]
[not found] ` <20041006142358.GO17247-B4tOwbsTzaBolqkO4TVVkw@public.gmane.org>
2004-10-06 15:56 ` Bruno Ducrot
2004-10-07 14:54 ` Anil Mamede
[not found] ` <4165588F.8000109-aHmAgkVUFT6Joy8PIJZ9VA@public.gmane.org>
2004-10-07 13:43 ` Dominik Brodowski
[not found] ` <20041007134321.GA26345-X3ehHDuj6sIIGcDfoQAp7BvVK+yQ3ZXh@public.gmane.org>
2004-10-07 15:38 ` Anil Mamede
[not found] ` <416562FB.2060507-aHmAgkVUFT6Joy8PIJZ9VA@public.gmane.org>
2004-10-07 14:32 ` Dominik Brodowski
2004-10-07 15:20 ` Andi Kleen
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