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Altera_Forum
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9 years ago

altera cyclone V ways to measure execution time in interrupt handler?

i am developing an application on cyclone v board.As per my app is very time critical, i am having few copy operations in the interrupt handler (top half only as bottom half latency is not good for m...
Altera_Forum's avatar
Altera_Forum
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9 years ago

got a working solution. i used do_gettimeofday().

it filled the two time structures. and found out the seconds and microseconds between two times of before and after my copy operations.although i subtracted microseconds and seconds myself not programmatically coz of kernel floating point issues.and ktime and do_gettimeofday gives same result so cross check operation done :)