# Precautions<a name="EN-US_TOPIC_0312244422"></a>

-   The CPU usage affects the performance to some extent. Generally, the CPU usage of each task is required only during product development. Therefore, it is recommended that the CPU usage be disabled during product release.
-   After the configuration item LOSCFG\_CPUP\_INCLUDE\_IRQ is disabled, the interrupt duration in the system is counted in the tasks where interrupts occur.

