Printing profiling stats example

profile_example.py

#!/usr/bin/env python3.4
import cProfile
import pstats


def first():
    pass


def second():
    for _ in range(100000):
        first()


def doit():
    for _ in range(100000):
        first()
        
    for _ in range(2):
        second()


def profile():
    profile = cProfile.Profile()
    profile.enable()
    doit()
    profile.disable()
    return pstats.Stats(profile)


if __name__ == '__main__':
    s = profile()
    
    # print everything
    s.sort_stats('cumulative').print_stats()
    
    # print what second called through doit
    s.print_callees('doit').print_callees('second')