[time-nuts] weird Raspberry PPS+GPS NTP server behaviour

[folkert]

> Thanks, Adam and Hal.  I will have a play.  I need to decide which of my
> flock to use, as some already sit in a fairly stable environment, and others
> are doing real work which may be affected by running the CPU at 100%.
> 
> OK, there's a non-critical one rather nearer to a CH radiator than I would
> like, so I've started it there (no error messages after the edits you
> suggested).  I ran it as background and logged out.  I guess it doesn't need
> any privilege.
> 
>  https://www.satsignal.eu/mrtg/performance_raspi-12.php
> 
> Thanks for drawing my attention to this.

You can also keep the GPU busy. That'll work as well with the bonus that
the main cpu stays mostly idle (iirc) for other tasks.

https://vanheusden.com/ntpheat.cpp
requires https://github.com/mn416/QPULib