Valgrind

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

The Callgrind tools allow to profile a program.

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

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

Exemple

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