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Date: Thu, 14 May 2015 05:42:21 +0200
From: Polytropon <freebsd@edvax.de>
To: "William A. Mahaffey III" <wam@hiwaay.net>
Cc: "FreeBSD Questions !!!!" <freebsd-questions@freebsd.org>
Subject: Re: sysctl question
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On Wed, 13 May 2015 22:08:57 -0453, William A. Mahaffey III wrote:
> 
> 
> My sysctl is reporting nonsense temps for my CPU:
> 
> [wam@kabini1, ~, 10:04:02pm] 357 % sysctl -A | egrep '(temperature|usage)'
> dev.cpu.0.temperature: 10.6C
> dev.cpu.0.cx_usage: 100.00% 0.00% last 445us
> dev.cpu.1.temperature: 10.6C
> dev.cpu.1.cx_usage: 100.00% last 11us
> dev.cpu.2.temperature: 10.6C
> dev.cpu.2.cx_usage: 100.00% last 21us
> dev.cpu.3.temperature: 10.6C
> dev.cpu.3.cx_usage: 100.00% last 9us
> [wam@kabini1, ~, 10:04:10pm] 358 % sysctl -a | grep -i model
> hw.model: AMD Sempron(tm) 3850 APU with Radeon(tm) R3
> dev.rgephy.0.%pnpinfo: oui=0xe04c model=0x0 rev=0x0
> [wam@kabini1, ~, 10:04:14pm] 359 % uname -a
> FreeBSD kabini1.local 9.3-RELEASE-p13 FreeBSD 9.3-RELEASE-p13 #0: Tue 
> Apr  7 03:01:12 UTC 2015 
> root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
> [wam@kabini1, ~, 10:05:08pm] 360 %
> 
> 
> Room temp is about 75F, or ~23C. CPU is generating heat, 
> thermodynamically impossible for it to be cooler than room temp. 
> Obviously not critical, but I would like to know reasonably accurately 
> how hot the CPU is in real time. Is this a sufficient bug report ? TIA ....

Do you have loaded the "amdtemp" kernel module?
See "man 4 amdtemp" for details.

Also check out xload, mbmon, xmbmon and xcpufreq
as a nice and useful X decoration. ;-)



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...