STM32MP257F-DK FreeRTOS timing is not accurate in CM33

I generated the code using STM32CubeIDE for CM33 with FreeRTOS.

I have tested the delay using osDelay(), the intervals are not accurate.

I tried 1 sec delay using osDelay(pdMS_TO_TICKS(1000)), but its less than 1 sec. But HAL_Delay() comes to be quit accurate.

There is no error in clock configuration.

Attached is the ioc file.

Please let me know where I am getting wrong.

Regards
Partha

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