Scheduling feasibility, Processor cpu : 

1) Feasibility test based on the processor utilization factor : 

- The feasibility interval is 24.0, see Goossens and Devillers (1997) from [21].
- 4 units of time are unused in the feasibility interval.
- Number of cores hosted by this processor :  1. 
- Processor utilization factor with deadline is 0.83333 (see [1], page 6). 
- Processor utilization factor with period is 0.83333 (see [1], page 6). 
- In the non preemptive case, with EDF, the task set is schedulable because for each task the utilization factor is equal or less than the bound  (see [8].)

2) Feasibility test based on worst case response time for periodic tasks : 

- Worst case task response time : 
    T1 => 3
    T2 => 9,  missed its deadline (deadline =  8)
    T3 => 15,  missed its deadline (deadline =  12)
- Some task deadlines will be missed : the task set is not schedulable.


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