MATLAB 2018-02-15
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' >>文件: cpu使用率.py >>作者: liu yang >>邮箱: [email protected] ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' #!/usr/bin/env python # -*- coding: utf-8 -*- import psutil from time import sleep def cpu_utilization(): cpu_start_alltime=psutil.cpu_times() '''print(cpu_start_alltime)得到的内容:scputimes(user=14088.359375, system=20540.59375, idle=362071.6875, interrupt=847.9375019073486, dpc=3795.6875)''' t1all=sum(cpu_start_alltime)#开始的cpu时间总和 sleep(1)#休眠一秒 cpu_end_alltime=psutil.cpu_times() t2all=sum(cpu_end_alltime)#结束时的cpu时间总和 t1busy=t1all-cpu_start_alltime.idle#开始的忙碌时间=总时间-空闲时间 t2busy=t2all-cpu_end_alltime.idle '''cpu使用率:(结束的忙碌时间-开始的忙碌时间)/(结束的总时间-开始的总时间)''' cpu_busy=(t2busy-t1busy)/(t2all-t1all)*100 # print("cpu使用率:%0.2f"%cpu_busy+'%') return cpu_busy if __name__ == '__main__': cpu_used=cpu_utilization() print("cpu使用率:%0.2f"%cpu_used+'%')#将得到的使用率一两位小数格式显示