Does ci offer a call stack

[eluser]MyDarkPassenger[/eluser]
Thanks for the help, I've used XDebug before, it is an awesome tool, however from what I remember it shows how ci calls the code behind the scenes to make it work with MVC not the way you'd call the functions. It also doesn't allow me to call the stack when I want to, I believe just when it hits an error? It's been awhile though since I've explored it I'll have to try some things.