#第一个python实例：监控cpu

 #/bin/bash/env Python

 from __future__ import print_function

 from collections import OrderedDict

 import pprint

 def CPUinfo():

     ''' Return the information in /proc/CPUinfo

     as a dictionary in the following format:

     CPU_info['proc0']={...}

     CPU_info['proc1']={...}

     '''

     CPUinfo=OrderedDict()

     procinfo=OrderedDict()

     nprocs = 0

     with open('/proc/cpuinfo') as f:

         for line in f:

             if not line.strip():

                 # end of one processor

                 CPUinfo['proc%s' % nprocs] = procinfo

                 nprocs=nprocs+1

                 # Reset

                 procinfo=OrderedDict()

             else:

                 if len(line.split(':')) == 2:

                     procinfo[line.split(':')[0].strip()] = line.split(':')[1].strip()

                 else:

                     procinfo[line.split(':')[0].strip()] = ''

     return CPUinfo

 if __name__=='__main__':

     CPUinfo = CPUinfo()

     for processor in CPUinfo.keys():

         print(CPUinfo[processor]['model name'])