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Linux: Embedded Development by Chris Simmonds, Alex González, Alexandru Vaduva

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Using Valgrind for application profiling

I introduced Valgrind in Chapter 11, Managing Memory, as a tool for identifying memory problems using the memcheck tool. Valgrind has other useful tools for application profiling. The two I am going to look at here are Callgrind and Helgrind. Since Valgrind works by running the code in a sandbox, it is able to check the code as it runs and report certain behaviors, which native tracers and profilers cannot do.

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