What process throttles CPU?
Doug Stewart
dstewart at atl.lmco.com
Fri Apr 29 14:56:11 UTC 2005
Steve Snyder wrote:
> Yesterday, while doing a large build on an FC3 machine, I received
> many warnings from the kernel that the CPU clock speed was being
> adjusted due to the temperature beyond the threshhold.
>
> Considering the machine I was using (a Dell Precision Xeon box), I can
> certainly believe the warnings. I wonder, though, how the kernel
> knew the threshhold.
>
> My first thought was the info beneath /proc/acpi/,
> yet /proc/acpi/thermal_zone/ is empty.
>
> I then thought of cpuspeed, but the /etc/cpuspeed.conf file is just a
> sample and had only commented-out config parameters.
>
> So... how does the kernel know what the thermal threshhold is for a
> given system?
>
> Thanks.
>
cpuspeed --help
--
----------
Doug Stewart
Systems Administrator/Web Applications Developer
Lockheed Martin Advanced Technology Labs
dstewart at atl.lmco.com
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