Valgrind is a GPL'd system for debugging and profiling x86-Linux programs. With the tools that come with Valgrind, you can automatically detect many memory management and threading bugs, avoiding hours of frustrating bug-hunting, making your programs more stable. You can also perform detailed profiling, to speed up and reduce memory use of your programs.

 http://valgrind.kde.org/

Usage
To use valgrind, the following steps have to be taken:

compile or link your program with debugging options, e.g.: gcc -g  bubble.c -o bubble

execute the program: valgrind ./bubble The result is automatically displayed on the console.

Documentation

valgrind WWW server

Contact

A.Visser@fz-juelich.de