What is the best way to measure a Interrupt Pulse Width?

Hi,

    I have CC2640R2F interrupt pin set to detect both edges from a accelerometer sensor interrupt. I am thinking of just using Timestamp_get32() at both high edge and low edge interrupt. Then I subtract the 2 Timestamp_get32() values. From my reading in a post says using Timestamp_get32() provides 10us per system clock tick. Is this a good idea or there is a better one. 

-kel