Consider the task set in Table 1. a) Assume one of the tasks in Table 1 has its deadline reduced by 1. Now, what is the most efficient schedulability test for determining whether the task set in Table 1 is schedulable under preemptive RM?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
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Consider the task set in Table 1.

a) Assume one of the tasks in Table 1 has its deadline reduced by 1. Now, what is the most efficient schedulability test for determining whether the task set in Table 1 is schedulable under preemptive RM?

 

Phase (ms)
Period (ms)
Time/Exec
(ms)
Task ID
Relative
Processing
Deadline
Primitive
1
250
16.4545
250
FLW
2
250
30.1303
250
BDFC
3
250
29.5265
250
CRSPECANAL
4
250
28.9868
250
DIFARDAD
250
28.732
250
CRFIL
250
18.3458
250
CRSPECANAL
7
250
27.8355
250
CRDETECT
8
500
21.5489
500
ALLBANDMERGE
500
15.6489
500
GRAMMERGE
10
2000
18.5644
2000
ALI
11
6000
20.3569
6000
AUTODETECT
Table 1
Transcribed Image Text:Phase (ms) Period (ms) Time/Exec (ms) Task ID Relative Processing Deadline Primitive 1 250 16.4545 250 FLW 2 250 30.1303 250 BDFC 3 250 29.5265 250 CRSPECANAL 4 250 28.9868 250 DIFARDAD 250 28.732 250 CRFIL 250 18.3458 250 CRSPECANAL 7 250 27.8355 250 CRDETECT 8 500 21.5489 500 ALLBANDMERGE 500 15.6489 500 GRAMMERGE 10 2000 18.5644 2000 ALI 11 6000 20.3569 6000 AUTODETECT Table 1
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