On Wed, 25 Aug 1999, Kirk Smith wrote:

> was only able to achieve 5kh due to interrupt handling overhead.  I have heard
> talk about the pentium real-time counter being used to measure time to
> micro-seconds.  Thus I assume if the task were short enough, one could perform
> that task then wait for the next schedule point to perform that task again.
> 
> Does this make sense?

Yes, a lot of. You can measure time with accuracy of single processor clock
tick with it. I use this technique to periodically trigger a series of
pulses. I use a single processor system and block it for 1-2 ms every 30 ms. 

--
Tomek

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