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树莓派获取[cpu温度/cpu使用率/内存空闲率]
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#!/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
''' | |
显示树莓派cpu温度、使用率及内存使用率 | |
''' | |
import os | |
def show_temp(): | |
file = open("/sys/class/thermal/thermal_zone0/temp") | |
temp = float(file.read()) / 1000 | |
file.close() | |
print "Temp: %.1f ℃" %temp | |
def show_mem(): | |
mem_cmd = "free -m | grep Mem | awk '{print ($4+$6)/$2}'" | |
mem_sur = round(float(os.popen(mem_cmd).read()), 2) * 100 | |
print "Mem: %d%%" % mem_sur | |
def show_cpu(): | |
cpu_cmd = "uptime | awk '{print $8,$9,$10,$11,$12}'" | |
cpu_used = os.popen(cpu_cmd).read() | |
print "Cpu: %s" % cpu_used.replace('\n', '') | |
if __name__ == '__main__': | |
show_temp() | |
show_cpu() | |
show_mem() |
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