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(i) Earliest-Deadline First (EDF)  (ii) Rate-Monotonic (RM)

(i) Earliest-Deadline First (EDF)  (ii) Rate-Monotonic (RM)

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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(i) Earliest-Deadline First (EDF) 
(ii) Rate-Monotonic (RM)

A real-time system has three processes, P, Q and R with two instances respectively. The following table shows the process arrival time, total process execution time, and the deadline of each process. Process Proces Process Deadline Arrival Execution Time P, 5 20 P, 20 5 20 10 Q, 10 10 R, 4 100 R, 100 4 100 Illustrate the execution of the three processes with a time diagram based on the following real-time scheduling. (Please indicate CPU idle time if any)
Transcribed Image Text:A real-time system has three processes, P, Q and R with two instances respectively. The following table shows the process arrival time, total process execution time, and the deadline of each process. Process Proces Process Deadline Arrival Execution Time P, 5 20 P, 20 5 20 10 Q, 10 10 R, 4 100 R, 100 4 100 Illustrate the execution of the three processes with a time diagram based on the following real-time scheduling. (Please indicate CPU idle time if any)
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