Valgrind -- Tool Suite
http://valgrind.org/info/tools.html
Official Home Page for valgrind, a suite of tools for debugging and profiling. Automatically detect memory management and threading bugs, and perform detailed profiling. The current stable version is valgrind-3.3.0.
キャッシュ使用状況のエミュレーションと回数つきコールグラフの生成 callgrind
とその可視化 kcachegrind