Gevent latency benchmark script

bnch_latency.py

import sys
import gevent
import timeit
from gevent.event import Event
from plotter import graph_latency, graph_ops

RUNS = [100, 500, 1000, 5000, 10000, 20000, 30000, 60000, 100000, 120000, 150000]
start_event = Event()
greenlets = []
times = []

def counter(id):
    global times
    start_event.wait()
    times.append(timeit.default_timer())
    return


def run(threads):
    print
    print "----------------------------------------"
    print "Running {} threads".format(threads)
    print "----------------------------------------"
    start_event.clear()    
    for x in range(0, threads):
        greenlets.append(gevent.spawn(counter, x))
        
    print "starting {} greenlets".format(threads)
    start_time = timeit.default_timer()
    start_event.set()
    gevent.wait(greenlets)
    for i, end_time in enumerate(times):
        times[i] = end_time - start_time

if __name__ == "__main__":
    series = []
    for threads in RUNS:
        run(threads)
        series.append({
            'name': "{}".format(threads),
            'data': times
        })
        greenlets = []
        times = []

    title = "Greenlet Latency - All ready"
    fname = "latency-single"
    graph_latency(fname, {'title': title, 'series': series})