From owner-freebsd-stable@FreeBSD.ORG Wed Sep 9 15:47:26 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 753841065679 for ; Wed, 9 Sep 2009 15:47:26 +0000 (UTC) (envelope-from avg@icyb.net.ua) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id B72BA8FC14 for ; Wed, 9 Sep 2009 15:47:25 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id SAA27471; Wed, 09 Sep 2009 18:47:22 +0300 (EEST) (envelope-from avg@icyb.net.ua) Message-ID: <4AA7CE0A.9030502@icyb.net.ua> Date: Wed, 09 Sep 2009 18:47:22 +0300 From: Andriy Gapon User-Agent: Thunderbird 2.0.0.22 (X11/20090724) MIME-Version: 1.0 To: Kurt Jaeger 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> In-Reply-To: <20090909153851.GE48206@home.opsec.eu> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: FreeBSD Stable Subject: Re: Detecting CPU throttling on over temperature X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Sep 2009 15:47:26 -0000 on 09/09/2009 18:38 Kurt Jaeger said the following: > Hi! > > [on coretemp module, Alexander Motin 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