A taskset has three tasks with {computation time, period} of {1, 5}, {2, 10}, {3, 10}. Deadlinesare implicit. Is this taskset scheduleable using a Simple Periodic Time Triggered Scheduler?
Question
A taskset has three tasks with {computation time, period} of {1, 5}, {2, 10}, {3, 10}. Deadlinesare implicit. Is this taskset scheduleable using a Simple Periodic Time Triggered Scheduler?
Solution
To determine if the taskset is schedulable using a Simple Periodic Time Triggered Scheduler, we need to check if the sum of the utilization of each task is less than or equal to 1.
The utilization of a task is computed as the computation time divided by the period.
For the first task, the utilization is 1/5 = 0.2. For the second task, the utilization is 2/10 = 0.2. For the third task, the utilization is 3/10 = 0.3.
Adding these up, the total utilization is 0.2 + 0.2 + 0.3 = 0.7.
Since 0.7 is less than 1, the taskset is schedulable using a Simple Periodic Time Triggered Scheduler.
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