From owner-freebsd-hackers@FreeBSD.ORG  Mon May 14 22:56:48 2012
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Date: Mon, 14 May 2012 18:56:47 -0400
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From: Aryeh Friedman <aryeh.friedman@gmail.com>
To: Bartosz Fabianowski <freebsd@chillt.de>
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Cc: FreeBSD Mailing List <freebsd-hackers@freebsd.org>
Subject: Re: diagonising a overheating problem
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On Mon, May 14, 2012 at 6:37 PM, Bartosz Fabianowski <freebsd@chillt.de> wrote:
> Try sysctl dev.cpu.0.temperature. I have a notoriously overheating Dell
> laptop and for me, this sysctl always reports the temperature.
>
> - Bartosz

~/Desktop aryeh@localhost% sysctl dev.cpu.0.temperature
sysctl: unknown oid 'dev.cpu.0.temperature'
~/Desktop aryeh@localhost% sysctl dev.cpu.0
dev.cpu.0.%desc: ACPI CPU
dev.cpu.0.%driver: cpu
dev.cpu.0.%location: handle=\_PR_.C000
dev.cpu.0.%pnpinfo: _HID=none _UID=0
dev.cpu.0.%parent: acpi0
dev.cpu.0.freq: 1500
dev.cpu.0.freq_levels: 1500/7260 1400/6056 1225/5299 1200/5125
1100/4500 1000/4095 900/3753 800/3468 700/3034 600/2601 500/2167
400/1734 300/1300 200/867 100/433
dev.cpu.0.cx_supported: C1/0 C2/100
dev.cpu.0.cx_lowest: C1
dev.cpu.0.cx_usage: 100.00% 0.00% last 233us