Devel::SizeMe is a variant of Devel::Size that can stream out
detailed information about the size of individual data-
structures and the links between them. It can do this for the
entire perl interpreter internals as well as your own perl data
structures. It comes with scripts for storing this data in a
database and visualizing it in various forms, including graphs
and an interactive treemap. Current implementation is alpha and
rather hackish. For more info see and There's an #sizeme IRC
channel on and the mailing list (also at