timers.py

import time
import functools

timers = {}
def timed(func):
    global timers
    timers[func] = {"T":0, "N":0}
    @functools.wraps(func)
    def wrapped(*args, **kwargs):
        T = time.perf_counter()
        res = func(*args, **kwargs)
        T = time.perf_counter() - T
        timers[func]["T"] += T
        timers[func]["N"] += 1
        return res
    return wrapped

@timed
def my_functions(some, arguments, also, kwarguments=None):
    pass

if __name__ == '__main__':
    my_functions(1, 2, 3)
    print("\n".join("Time spent in {:>24}: {} sec over {} iterations".format(func.__name__, T['T'], T['N'])
                    for func, T in timers.items()))