Valgrind

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Valgrind is a suite of tools for debugging and profiling Linux programs.

The Callgrind tools allow profiling of a program.

When it is used with "--dump-instr=yes --trace-jump=yes" and the result is displayed with [1], you can see:

  • function call tracing
  • executed calltree graphing
  • jmp tracing and graphing

Example

$ valgrind --tool=callgrind --dump-instr=yes --trace-jump=yes ffplay
$ kcachegrind callgrind.$pid
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