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Which of the following techniques can be used to obtain a precise count of clock...

ARM EN0-001 Full Course Access
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Which of the following techniques can be used to obtain a precise count of clock cycles when profiling software over an arbitrarily long period of time using the Performance Monitoring Unit?

A.

A dedicated real-time clock to provide the total cycle count

B.

Use of the divide-by 64 counting option to avoid an overflow of the cycle counter

C.

Use of the overflow interrupts, to extend the range of the built-in 32-bit counter

D.

Modification of the application software being profiled, to insert timestamps at regular intervals

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