#!/usr/bin/env python

import time

TIMEFORMAT = "%m/%d/%y %H:%M:%S"

INTERVAL = 2

def getTimeList():

statFile = file("/proc/stat", "r")

timeList = statFile.readline().split(" ")[2:6]

statFile.close()

for i in range(len(timeList)) :

timeList[i] = int(timeList[i])

return timeList

def deltaTime(interval) :

x = getTimeList()

time.sleep(interval)

y = getTimeList()

for i in range(len(x)) :

y[i] -= x[i]

return y

if __name__ == "__main__" :

while True :

dt = deltaTime(INTERVAL)

timeStamp = time.strftime(TIMEFORMAT)

cpuPct = 100 - (dt[len(dt) - 1] * 100.00 / sum(dt))

print timeStamp + "\t" + str('%.4f' %cpuPct)