This free tool gives you a huge amount of information all on one screen. Even though IBM doesn't officially support the tool and you must use it at your own risk, you can get a wealth of performance statistics. Why use five or six tools when one free tool can give you everything you need?
Do you need to resolve the segmentation fault while using the atexit handler function on AIX® 5.2? This article explores techniques that can be used to resolve program crashes resulting from missing atexit handlers.