[time-nuts] NTP jitter with Linux

[David J Taylor]

> I asked this on an NTP list, got some guesses, but no knowledgeable 
> responses.
[]
> So, running a process(es) which keep the CPU completely busy reduces the 
> jitter. The busier, the better. Why? I'm guessing it has something to do 
> with interrupt latency, but why does a busy CPU make it more 
> consistent - I'd expect the opposite? The difference is very obvious.
>
> Is there something else I can do to keep the jitter low?

Mike, have you tried FreeBSD instead?  Does it show the same problems?

Cheers,
David
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