Re: Running octave script on interrupt

[Francesco Potortì]

>next=time;
>k=5000;
>while (k--)
>     next+=.01
>     while(time()<next); endwhile
>     a(k)=time
>endwhile
>
>which on my system seems to run at  100Hz +-  1Hz judging from 
>hist(diff(a),1000). You seem to need to run the loop forever, so just 
>replace the outer loop with while(true).

The code you wrote should have a null long-term frequency error.  What
you measured is the jitter, which apparently amounts at 1%.

If the original poster needs lower jitter, a loop like this is not
enough, and one should use Linux's real-time features.

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