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