Yo Hal! On Sun, 08 Jan 2017 14:48:34 -0800 Hal Murray <[email protected]> wrote:
> If you modify the code that records the temperature to also grab the
> NTP drift, then you can plot drift vs temperature.
Ths plot is NTP drift vs. temp. The data in /etc/driftfile
is just the Frequency offset written every hour or so.
> You should be able to do something similar by grabbing the CPU cycle
> counter. I haven't figured out how to do that on a Raspberry Pi.
It has been years since you could cycle count a CPU. What with all the
run time out of order execution, closed source microcode, etc...
RGDS
GARY
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