Priority

1

Why RTOS Priority Is Not Just Business Importance

5 minute

The most common RTOS priority mistake is assigning priorities by business importance.

For example:

control task is most important -> highest priority
communication is also important -> next priority
logging is not important -> lowest priority

This is intuitive, but not enough. RTOS priority decides which ready task runs first. It is not the same as business value, and it does not guarantee that a high-priority task finishes first.

The first model is:

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