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{{Short description|Measuring the time or resources used by a section of a computer program}}
{{more citations needed|date=January 2009}}
In [[software engineering]], '''profiling''' ("program profiling", "software profiling") is a form of
▲In [[software engineering]], '''profiling''' ("program profiling", "software profiling") is a form of [[dynamic program analysis]] that measures, for example, the space (memory) or time [[Computational complexity theory|complexity of a program]], the [[instruction set simulator|usage of particular instructions]], or the frequency and duration of function calls. Most commonly, profiling information serves to aid [[program optimization]], and more specifically, [[performance engineering]].
Profiling is achieved by [[Instrumentation (computer programming)|instrumenting]] either the program [[source code]] or its binary executable form using a tool called a ''profiler'' (or ''code profiler''). Profilers may use a number of different techniques, such as event-based, statistical, instrumented, and simulation methods.
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