A set of periodic tasks need to be scheduled on a uniprocessor. The following table contains the details of these periodic tasks and their use of non-preemptable shared resources. Can the task T3 meet its deadline when the tasks are scheduled under RMA and the priority ceiling protocol (PCP) is used for resource scheduling? Task Ti T2 T3 T4 T5 Pi e 400 30 15 20 200 25 300 40 250 35 10 10 450 50 R1 R2 R3 20 10 10 5 pi indicates the period of task T; and e; indicates its computation time. The entries in the R1, R2, and R3 columns indicate the time duration for which a task needs the named resource in non-preemptive mode. All time units have been specified in milliSeconds.

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14. A set of periodic tasks need to be scheduled on a uniprocessor. The following table contains the details of these
periodic tasks and their use of non-preemptable shared resources. Can the task T3 meet its deadline when the
tasks are scheduled under RMA and the priority ceiling protocol (PCP) is used for resource scheduling?
Task
R2 R3
20
20
R1
Pi
400 30
T2
T3
250 | 35
ei
15
200 25
10
300
40
T4
10
10
10
T3
450
50
P; indicates the period of task T; and e; indicates its computation time. The entries in the R1, R2, and R3
columns indicate the time duration for which a task needs the named resource in non-preemptive mode. All
time units have been specified in milliSeconds.
Transcribed Image Text:14. A set of periodic tasks need to be scheduled on a uniprocessor. The following table contains the details of these periodic tasks and their use of non-preemptable shared resources. Can the task T3 meet its deadline when the tasks are scheduled under RMA and the priority ceiling protocol (PCP) is used for resource scheduling? Task R2 R3 20 20 R1 Pi 400 30 T2 T3 250 | 35 ei 15 200 25 10 300 40 T4 10 10 10 T3 450 50 P; indicates the period of task T; and e; indicates its computation time. The entries in the R1, R2, and R3 columns indicate the time duration for which a task needs the named resource in non-preemptive mode. All time units have been specified in milliSeconds.
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