A couple of years ago I wrote a little script to tell me what called what and so on. It grew and mutated and is a crufty mess (not good for code which is meant to help with making other code more maintainable!) but you might want to take a look. It's on
. Patches welcome, especially any which make it play nicely with the guts of
. I've spoken at some length with the author about using his code, but lack of tuits has meant I've done nothing about it.