FreeRTOS - Task Scheduling
Consider three FreeRTOS tasks with priorities 6, 2, and 4. The task with priority 6 is currently blocked waiting for a queue message. Which task will the scheduler run next?
Consider three FreeRTOS tasks with priorities 6, 2, and 4. The task with priority 6 is currently blocked waiting for a queue message. Which task will the scheduler run next?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify task states
Task with priority 6 is blocked, so it is not ready to run.Step 2: Scheduler picks highest priority ready task
Among the remaining tasks, priorities 4 and 2 are ready.Final Answer:
Task with priority 4 is the highest priority ready task and will be scheduled -> Option BQuick Check:
Blocked tasks are skipped [OK]
Quick Trick: Scheduler runs highest priority ready task only [OK]
Common Mistakes:
- Trying to run blocked tasks
- Ignoring task readiness
- Assuming idle task runs when ready tasks exist
Master "Task Scheduling" in FreeRTOS
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