CPU负载监控

#!/usr/bin/python
#-*- encoding: utf-8 -*-
import os
import time
while True:
    loadavg=os.popen("cat /proc/loadavg | awk ‘{print $1}‘").read().replace(‘\n‘,‘‘)

#负载大于3就做记录
    if float(loadavg) >= 3: 
        date=time.strftime("%Y-%m-%dT%H-%M-%S", time.localtime())  
        data=os.popen("top -b -n 1").read()
        
        output = open(‘top-%s.log‘%date, ‘w‘)
        output.write(data)
        output.close( )
    time.sleep(10)