FreeRTOS - Debugging and Monitoring
Which of the following is required before calling
vTaskGetRunTimeStats() to get accurate CPU usage?Which of the following is required before calling vTaskGetRunTimeStats() to get accurate CPU usage?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Check FreeRTOS configuration requirements
To use vTaskGetRunTimeStats(), configGENERATE_RUN_TIME_STATS must be enabled and a timer must be set up to measure run time.Step 2: Evaluate other options
Calling scheduler twice, changing priorities, or disabling interrupts are unrelated to enabling run time stats.Final Answer:
Enable configGENERATE_RUN_TIME_STATS and provide a timer -> Option BQuick Check:
Enable configGENERATE_RUN_TIME_STATS = required [OK]
Quick Trick: Enable run time stats config before calling vTaskGetRunTimeStats() [OK]
Common Mistakes:
- Forgetting to enable configGENERATE_RUN_TIME_STATS
- Assuming scheduler must be restarted
- Disabling interrupts unnecessarily
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