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imx6q-SDB,how to get time about microsecond

Question asked by tab song on Feb 24, 2017
Latest reply on Mar 1, 2017 by Carlos_Musich

on SDB,i find the function "do_gettimeofday" can`t get exact time about microsecond ,

 

i wanna get exact time in driver ,what can i do?

 

if you wanna say timer or hrtimer,i had try ,use it to get time isn`t good idea,frequent use hrtimer in microsecond could lead system crash.

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