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|Oracle Solaris Studio 12.3: Performance Analyzer Oracle Solaris Studio 12.3 Information Library|
The Performance Analyzer reads the event data that is collected by the Collector and converts it into performance metrics. The metrics are computed for various elements in the structure of the target program, such as instructions, source lines, functions, and load objects. In addition to a header containing a timestamp, thread id, LWP id, and CPU id, the data recorded for each event collected has two parts:
Some event-specific data that is used to compute metrics
A call stack of the application that is used to associate those metrics with the program structure
The process of associating the metrics with the program structure is not always straightforward, due to the insertions, transformations, and optimizations made by the compiler. This chapter describes the process and discusses the effect on what you see in the Performance Analyzer displays.
This chapter covers the following topics: