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Rate Monotonic Scheduling is the optimal static priority algorithm. Shortly it is referred as RM or RMA or RMS. To solve for the RM schedule, the following are the assumptions.

**Assumptions**:

- All the tasks are assumed to be periodic
- The relative deadline of the tasks are equal to its period.
- No tasks has a non pre-emptible section.
- The cost of preemption is negligible.

**RMA**

- Priorities are assigned based on the periods of the task.
*Lower the period, higher the priority*- As rate is the inverse of the period,
*higher the rate, higher the priority*

- It is a static priority algorithm (priorities are assigned to tasks during their compilation time)

Schedulability Test for RMA

To find the schedulability Test of RM algorithm

- the sufficient condition for schedulability test for RM is

**The necessary and sufficient condition for testing the schedulability test is**

### Comments

intresting solution, but i don't know what is means variable

ReplyDeleteej = execution time of the jth task, Pj is the time period of the jth task, and t is the release time, as far as I think.

ReplyDelete