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Date:      Wed, 09 Sep 2009 18:47:22 +0300
From:      Andriy Gapon <avg@icyb.net.ua>
To:        Kurt Jaeger <pilists@c0mplx.org>
Cc:        FreeBSD Stable <freebsd-stable@freebsd.org>
Subject:   Re: Detecting CPU throttling on over temperature
Message-ID:  <4AA7CE0A.9030502@icyb.net.ua>
In-Reply-To: <20090909153851.GE48206@home.opsec.eu>
References:  <1252426982.00160755.1252414203@10.7.7.3>	<200909091018.10509.doconnor@gsoft.com.au>	<4AA72D4D.9080505@FreeBSD.org>	<200909091747.19696.doconnor@gsoft.com.au>	<1252501703.85394.3473.camel@balrog.2hip.net>	<4AA7AA9B.9010709@FreeBSD.org> <20090909153851.GE48206@home.opsec.eu>

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on 09/09/2009 18:38 Kurt Jaeger said the following:
> Hi!
> 
> [on coretemp module, Alexander Motin <mav@FreeBSD.org> wrote:]
>> AFAIR C2D supports three protection technologies. When CPU is hot, it
>> starts reducing frequency (multiplier) and voltage, alike to IEST. If it
>> is insufficient, it starts to skip core cycles, alike to TCC. If it is
>> still insufficient and temperature rises above about 100C, emergency
>> shutdown happens.
> 
> Cool. I just tested coretemp on some CPU here, works very nice!
> 
> Any information on what can be done with AMD CPUs with respect
> to temperature monitoring ?

amdtemp(4) ? :-)


-- 
Andriy Gapon



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