link: http://docs.python.org/2/library/profile.html

The example in this page:

import cProfile, pstats, io
pr = cProfile.Profile()
pr.enable()
... do something ...
pr.disable()
s = io.StringIO()
ps = pstats.Stats(pr, stream=s)
ps.print_results()  # actually Stats objects has no method called "print_results"