On Thu, 25 Feb 1999, Kurt Rosenfeld wrote:
> Note 2: It has been my observation that the density function of the
> interrupt latency is actually multi-modal. I first noticed this in the
> time-domain looking at the signals on an oscilloscope. The jitter looks
> like multi-path interference on a TV. There are "forbidden regions" for
> the transitions.
Hi, this is true also in the case of jitter affecting the scheduling
of real-time periodic tasks (not interrupt-driven). In that case,
"multi-modal" behaviour disappears when you switch to periodic mode,
and the resulting distribution function becomes a gaussian.
ciao, Ciro
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Ciro Cattuto e-mail: [EMAIL PROTECTED]
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