viewprof
========

Usage: viewprof.lisp PROG.prof

Keys:

j      - move one line down
k      - move one line up
Ctrl-d - move down half a page
Ctrl-u - move up half a page
space  - fold/unfold a subtree
h      - scroll to the left
l      - scroll to the right
r      - enter/leave `bottom-up mode'
q      - exit the program

In `bottom-up mode' the parent-child relationship of the tree structure will be reversed,
which means a function becomes a parent of its caller.