Evaluate staggering of repeated jobs depending of scheduling interval computation

delay.py

#!/usr/bin/env python

import random

jobs = [ 10, 10, 10, 10, 10, 5, 5, 5, 5, 5 ]
tmax = 200
slots = tmax*[0]

def next_time_fixed(now, job):
    return now+job
def next_time_random90(now, job):
    return now + job - 0.1*job*random.random()
next_time = next_time_random90

for job in jobs:
    now=0
    while now<tmax:
        slots[int(now)] += 1
        now += next_time(now, job)

print slots