On Mon, 5 Jan 2009, Magnus Danielson wrote:
>
> You could of course to some degree steer the clock on a machine by
> changing the computing load on it, as the tempco of most systems crystal
> is pretty bad. It would kinda work except when it is out of controlrange.

Alternatively you can use clock skew to infer computing load:

http://www.cl.cam.ac.uk/~sjm217/papers/#pub-ccs06hotornot

Tony.
-- 
f.anthony.n.finch  <[email protected]>  http://dotat.at/
SOLE: VARIABLE 4 BECOMING EASTERLY 5 OR 6. MODERATE OR ROUGH. OCCASIONAL RAIN,
THEN FAIR. MODERATE OR GOOD, OCCASIONALLY POOR.
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