Re: wrong output with fam15h_power

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On Fri, Nov 18, 2011 at 10:47 AM, Lucas Stach <dev@xxxxxxxxxx> wrote:
> Hi,
>
> I'm trying to use the fam15h_power driver to measure my processors power
> consumption, but it gives me clearly wrong values. With a completely
> idle system the processor claims to be using 125261718µW, which would
> mean the processor operates at it's TDP limit. With all cores 100%
> loaded it claims to be using 130675781µW which I can't believe as this
> would mean the processor violates it's own spec.

You have to read the vendor documentation carefully...

TDP numbers are *not* necessarily the maximum power draw.  They are
the *design* point for a thermal solution.

Further confusion is created by Intel and AMD using similar terms to
refer to different concepts.

Phil P.

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