第一个python实例--监控cpu

 #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'])