In software engineering, program profiling, software profiling or simply profiling, a form of dynamic program analysis (as opposed to static code analysis), is the investigation of a program's behavior using information gathered as the program executes. The usual purpose of this analysis is to determine which sections of a program to optimize - to increase its overall speed, decrease its memory requirement or sometimes both.
The set of profiling tools provides software developers or testers with the ability to analyze the performance of a Java program or to gain a comprehensive understanding of the overall performance of an application. Eclipse Test and Performance Tools Platform (TPTP) is such a tool used for profiling. A good tutorial is here: Tutorial.
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