I've been very happy with yappi: http://code.google.com/p/yappi/ http://code.google.com/p/yappi/ . The output is a little clunky to work with at first, but it t

I've been very happy with yappi: http://code.google.com/p/yappi/ http://code.google.com/p/yappi/ . The output is a little clunky to work with at first, but it tells you what you need to know.