code: def get_running_time(self):
          
          if win32.PROCESS_ALL_ACCESS == win32.PROCESS_ALL_ACCESS_VISTA:
              dwAccess = win32.PROCESS_QUERY_LIMITED_INFORMATION
          else:
              dwAccess = win32.PROCESS_QUERY_INFORMATION
          hProcess = self.get_handle(dwAccess)
          (CreationTime, ExitTime, _, _) = win32.GetProcessTimes(hProcess)
          if self.is_alive():
              ExitTime = win32.GetSystemTimeAsFileTime()
          CreationTime = CreationTime.dwLowDateTime + (CreationTime.dwHighDateTime << 32)
          ExitTime     =     ExitTime.dwLowDateTime + (    ExitTime.dwHighDateTime << 32)
          RunningTime  = ExitTime - CreationTime
          return RunningTime / 10000
docs: Determines how long has this process been running.
  
          @rtype:  long
          @return: Process running time in milliseconds.