gistfile1.txt

import threading
import pause
import random
import time

def doit1(stop_event, name, timeStep):
    now = time.time()
    print("[" + name + "]: " + str(now))
    nextWakeTime = now + timeStep
    
    count = 0
    
    while not stop_event.is_set():
        print ("working on %s\n" % name)
        pause.until(nextWakeTime)
        nextWakeTime = nextWakeTime + timeStep
        count = count + 1
        
    print("Stopping %s.\n" % name)
    print("total time delta: " + str(nextWakeTime-now - timeStep))
    print("Avg timestep: " + str((nextWakeTime-now - timeStep) / (count)))
    print("Requested timestep: " + str(timeStep))
    print("Accuracy: " + str(((nextWakeTime-now - timeStep) / (count))/timeStep * 100))
                        
pill2kill = threading.Event()

t1 = threading.Thread(target=doit1, args=(pill2kill, "bob", 0.5))
t2 = threading.Thread(target=doit1, args=(pill2kill, "fred", 1.0))

t1.start()
t2.start()

time.sleep(2.9)
pill2kill.set()
t2.join()