FreeRTOS - Task Scheduling
Why might time-slicing not occur between two equal priority tasks even if configUSE_TIME_SLICING is enabled?
Why might time-slicing not occur between two equal priority tasks even if configUSE_TIME_SLICING is enabled?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand conditions for time-slicing
Time-slicing requires configUSE_PREEMPTION to be set to 1.Step 2: Identify why time-slicing might not happen
If configUSE_PREEMPTION is set to 0, time-slicing is ignored even if configUSE_TIME_SLICING is 1.Final Answer:
configUSE_PREEMPTION is set to 0 -> Option CQuick Check:
Time-slicing requires preemption = B [OK]
Quick Trick: configUSE_PREEMPTION must be 1 for time-slicing to work [OK]
Common Mistakes:
- Confusing preemption with time-slicing
- Thinking stack size affects scheduling
- Assuming idle task priority is higher
Master "Task Scheduling" in FreeRTOS
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