Cyclic Scheduler | Real Time Systems | Video lecture

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Cyclic Scheduler

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Task Scheduling on Uniprocessors

Clock-Driven Scheduling

Disadvantage of Table-Driven Schedulers

Cyclic Schedulers

Major Cycle

Minor Cycle (Frame)

A Typical Schedule14:56

Minor Cycle (Frame)

Selecting an Appropriate Frame Size (F)

Minimum Context Switch

Minimization of Table Size

Satisfaction of Task Deadline

Frame

Satisfaction of Task Deadline

Satisfaction of Task Deadline

Satisfaction of Task Deadline

Satisfaction of Task Deadline

Selection of a Suitable Frame Size

Example 1

Example 2

What If None of the Frame Sizes is Suitable?

1:52

3:13

7:07

7:49

9:34

13:50

14:56

15:16

15:59

20:55

28:08

31:31

32:41

32:55

34:17

36:47

40:05

41:20

42:16

48:08

55:49

 

 

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