A preemptive foreground/background system has three interrupt - driven task cycles, described below (with context switch time

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A preemptive foreground/background system has three interrupt - driven task cycles, described below (with context switch time ignored):

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(a) Draw an execution time line for this system.

(b) What is the CPU utilization factor?

(c) Considering the context switch time to be 1 ms, redraw the execution time line for this system.

(d) What is the CPU utilization factor with the context switch time included?

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Real Time Systems Design And Analysis

ISBN: 9780470768648

4th Edition

Authors: Phillip A. Laplante, Seppo J. Ovaska

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