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Real-Time Embedded Systems
book

Real-Time Embedded Systems

by Ivan Cibrario Bertolotti, Gabriele Manduchi
December 2017
Intermediate to advanced
534 pages
14h 57m
English
CRC Press
Content preview from Real-Time Embedded Systems

13

 

 

Schedulability Analysis Based on Utilization

 

CONTENTS

13.1 Processor Utilization

13.2 Sufficient Schedulability Test for Rate Monotonic

13.2.1 Ulub for Two Tasks

13.2.2 Ulub for N Tasks

13.3 Schedulability Test for EDF

13.4 Summary

The previous chapter introduced the basic concepts in process scheduling and analyzed the two classes of scheduling algorithms: fixed priority and variable priority. When considering fixed-priority scheduling, it has been shown that Rate Monotonic (RM) Scheduling is optimal, that is, if a task set is schedulable under any-fixed priority schema, then it will be under RM. For variable-priority assignment, the optimality of Earliest Deadline First (EDF) has been enunciated and will be proved in this chapter. ...

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Publisher Resources

ISBN: 9781439841617