from __future__ import division
from ctypes import *

dll = windll.kernel32

class ZTimer:

  def __init__(self):
    self.startcount = c_longlong()
    self.endcount = c_longlong()

    self.frequency = c_longlong()

    self.counts = 0
    self.seconds = 0
    self.millis = 0
    self.micros = 0

  def start(self):
    dll.QueryPerformanceCounter(byref(self.startcount))

  def stop(self):
    dll.QueryPerformanceCounter(byref(self.endcount))
    self.counts = self.endcount.value - self.startcount.value
    dll.QueryPerformanceFrequency(byref(self.frequency))
    self.seconds = self.counts / self.frequency.value
    self.millis = self.seconds*1000
    self.micros = self.millis*1000

if __name__=='__main__':
  t = ZTimer()
  t.start()  
  t.stop()
  print t.counts
  print t.seconds
  print t.millis
  print t.micros