Re: Core temperature

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On Fri, 10 Aug 2007, Dag-Erling Sm鷨grav wrote:

> I've written a quick-and-dirty driver for the built-in digital
> temperature sensor in Intel's Core and Core 2 CPUs (and Xeons built on
> the Core architecture).  The driver exports four sysctl nodes under
> hw.coretemp:
>
>  hw.coretemp.tjmax     Maximum core temperature (currently hardcoded
>                        To 100蚓, may actually be 85蚓 on some systems)
>
>  hw.coretemp.delta     current temperature in 蚓 below Tj(max)
>
>  hw.coretemp.interrupt Lower 32 bits of the IA32_THERMAL_INTERRUPT MSR
>
>  hw.coretemp.status    Lower 32 bits of the IA32_THERMAL_STATUS MSR
>
> I intend to move these into dev.cpu.N in a later version.

This is working for me on my C2D:
sysctl hw.coretemp
hw.coretemp.tjmax: 100
hw.coretemp.delta: -42
hw.coretemp.interrupt: 9954320
hw.coretemp.status: 2284454592

That temp agrees with the one reported by wmbsdbatt, for what that's 
worth.

hth,

Doug

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