From owner-freebsd-questions@FreeBSD.ORG Thu May 14 14:06:41 2015 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id EBEFCFB9 for ; Thu, 14 May 2015 14:06:41 +0000 (UTC) Received: from fly.hiwaay.net (fly.hiwaay.net [216.180.54.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 9B13B1EA7 for ; Thu, 14 May 2015 14:06:41 +0000 (UTC) Received: from kabini1.local (rbn1-216-180-19-49.adsl.hiwaay.net [216.180.19.49]) (authenticated bits=0) by fly.hiwaay.net (8.13.8/8.13.8/fly) with ESMTP id t4EE6dgd013030 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Thu, 14 May 2015 09:06:40 -0500 Message-ID: <5554ABEF.4070300@hiwaay.net> Date: Thu, 14 May 2015 09:12:54 -0453 From: "William A. Mahaffey III" User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 CC: "FreeBSD Questions !!!!" Subject: Re: sysctl question References: <55541052.6020802@hiwaay.net> <20150514055826.01e841ae@gecko4> In-Reply-To: <20150514055826.01e841ae@gecko4> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 May 2015 14:06:42 -0000 On 05/14/15 05:04, mfv wrote: > Hello William, > > I had the same problem using amdtemp but used the sysctl setting > "dev.amdtemp.%d.sensor_offset" to make it more accurate. The value was > determined by comparing the unadjusted value of admtemp with the value > shown in the BIOS. In my case the setting in /etc/sysctl.conf is: > > dev.amdtemp.0.sensor_offset=24 > > A room thermometer was also helpful to measure the difference by > comparing the difference between the room temperature and the BIOS > after the CPU was placed under load. > > To read the value I then bound the F2-key in csh.cshrc file as follows: > > bindkey -c "^[OQ" 'sysctl -e dev.amdtemp.0.core0' > > The results of the reading are not as accurate as I would like but are > an improvement. > > Cheers ... __o > _ \<,_ > Marek (+)/ (+) > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ P.S. Is there a way to set this on the fly, w/o a reboot ? TIA :-) .... -- William A. Mahaffey III ---------------------------------------------------------------------- "The M1 Garand is without doubt the finest implement of war ever devised by man." -- Gen. George S. Patton Jr.