Question

(ii) An RTOS is expected to manage the following tasks in descending order of priority: Task Priority Execution Time Period A 1 15 milliseconds 80 milliseconds B 2 35 milliseconds One-Shot C 3 20 milliseconds One-Shot Scheduling is done using a pre-emptive priority algorithm with a time slice of 10 milliseconds. All three tasks are readied at time t = 0. Switching takes place only at the end of a time slice. (a) Plot a graph showing the resulting system run-time behavior over the first 160 milliseconds of operation. (b) Repeat this for task A having a period of 60 milliseconds. (c) Repeat (b) when task B is re-readied at t = 90 milliseconds. Comment on your results.

          (ii)
An RTOS is expected to manage the following tasks in descending
order of priority:
Task	Priority	Execution Time	Period
A	1	15 milliseconds	80 milliseconds
B	2	35 milliseconds	One-Shot
C	3	20 milliseconds	One-Shot
Scheduling is done using a pre-emptive priority algorithm with a time
slice of 10 milliseconds. All three tasks are readied at time t = 0.
Switching takes place only at the end of a time slice.
(a) Plot a graph showing the resulting system run-time behavior
over the first 160 milliseconds of operation.
(b) Repeat this for task A having a period of 60 milliseconds.
(c) Repeat (b) when task B is re-readied at t = 90 milliseconds.
Comment on your results.

(ii)
An RTOS is expected to manage the following tasks in descending
order of priority:
Task Priority Execution Time Period
A 1 15 milliseconds 80 milliseconds
B 2 35 milliseconds One-Shot
C 3 20 milliseconds One-Shot
Scheduling is done using a pre-emptive priority algorithm with a time
slice of 10 milliseconds. All three tasks are readied at time t = 0.
Switching takes place only at the end of a time slice.
(a) Plot a graph showing the resulting system run-time behavior
over the first 160 milliseconds of operation.
(b) Repeat this for task A having a period of 60 milliseconds.
(c) Repeat (b) when task B is re-readied at t = 90 milliseconds.
Comment on your results.

Added by Isaac E.

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