Distributed Real-Time Systems by K. Erciyes

Author:K. Erciyes
Language: eng
Format: epub
ISBN: 9783030225704
Publisher: Springer International Publishing

Sufficiency: In this case, passing this test means that the task set is schedulable. However, a negative outcome from this test does not mean the set is unschedulable.

Exactness: We have both of the above tests having positive results.

7.2.2 Utilization

The utilization factor (or ) for a periodic task is defined as follows:

(7.1)

In other words, this parameter shows the percentage of time a task uses the processor during its period. The processor utilization factor U is the fraction of time spent in executing a task set which is

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