ARM Accredited Engineer EN0-001 Question # 60 Topic 7 Discussion
EN0-001 Exam Topic 7 Question 60 Discussion:
Question #: 60
Topic #: 7
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
Chosen Answer:
This is a voting comment (?). You can switch to a simple comment. It is better to Upvote an existing comment if you don't have anything to add.
Submit