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Performance analysis strategies

Profiling reveals performance issues and informs you about where your application spends most of its time. Once you have identified bottlenecks, you then focus your efforts on investigating those parts and improve them.

Quick profiling

For a quick profiling, you can use the perftools-lite tool, a simplified and easy-to-use version of CrayPat that provides basic performance analysis information automatically, with minimum user interaction.


Sampling consists of taking regular snapshots of the application's call stack to create a statistical profile. This is a good option for low overhead profiling.


Tracing revolves around specific program events like entering or exiting a function. This allows the collection of accurate information about specific areas of the code every time the event occurs.