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pc Sampling
Program counter (pc) sampling reveals the amount of execution time spent in various parts of a program. The count includes:
- CPU time and memory access time
- Time spent in user routines
pc sampling does not count time spent swapping or time spent accessing external resources.
This section explains how to obtain pc sampling and provides examples showing the use of various prof options. Specifically, this section covers:
- Obtaining pc Sampling
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- Creating Multiple Profile Data Files
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- pc Sampling Frequency
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- Examples of Using prof to Obtain pc Sampling Analysis Data
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