内存信息 / meminfo
返回dict
#!/usr/bin/env python
def memory_stat():  mem = {}  f = open("/proc/meminfo")  lines = f.readlines()  f.close()  for line in lines:  if len(line) < 2: continue  name = line.split(':')[0]  var = line.split(':')[1].split()[0]  mem[name] = long(var) * 1024.0  mem['MemUsed'] = mem['MemTotal'] - mem['MemFree'] - mem['Buffers'] - mem['Cached']  return mem  CPU信息 / cpuinfo
返回list，
每核心一dict#!/usr/bin/env python
def cpu_stat():  cpu = []  cpuinfo = {}  f = open("/proc/cpuinfo")  lines = f.readlines()  f.close()  for line in lines:  if line == '\n':  cpu.append(cpuinfo)  cpuinfo = {}  if len(line) < 2: continue  name = line.split(':')[0].rstrip()  var = line.split(':')[1]  cpuinfo[name] = var  return cpu  负载信息 / loadavg
返回dict
#!/usr/bin/env python
def load_stat():  loadavg = {}  f = open("/proc/loadavg")  con = f.read().split()  f.close()  loadavg['lavg_1']=con[0]  loadavg['lavg_5']=con[1]  loadavg['lavg_15']=con[2]  loadavg['nr']=con[3]  loadavg['last_pid']=con[4]  return loadavg  运转时间 / Uptime
返回dict#!/usr/bin/env python
def uptime_stat():  uptime = {}  f = open("/proc/uptime")  con = f.read().split()  f.close()  all_sec = float(con[0])  MINUTE,HOUR,DAY = 60,3600,86400  uptime['day'] = int(all_sec / DAY )  uptime['hour'] = int((all_sec % DAY) / HOUR)  uptime['minute'] = int((all_sec % HOUR) / MINUTE)  uptime['second'] = int(all_sec % MINUTE)  uptime['Free rate'] = float(con[1]) / float(con[0])  return uptime获取网卡流量信息 /proc/net/dev
返回dict,单位byte#!/usr/bin/env python
def net_stat():  net = []  f = open("/proc/net/dev")  lines = f.readlines()  f.close()  for line in lines[2:]:  con = line.split()  """ intf = {} intf['interface'] = con[0].lstrip(":") intf['ReceiveBytes'] = int(con[1]) intf['ReceivePackets'] = int(con[2]) intf['ReceiveErrs'] = int(con[3]) intf['ReceiveDrop'] = int(con[4]) intf['ReceiveFifo'] = int(con[5]) intf['ReceiveFrames'] = int(con[6]) intf['ReceiveCompressed'] = int(con[7]) intf['ReceiveMulticast'] = int(con[8]) intf['TransmitBytes'] = int(con[9]) intf['TransmitPackets'] = int(con[10]) intf['TransmitErrs'] = int(con[11]) intf['TransmitDrop'] = int(con[12]) intf['TransmitFifo'] = int(con[13]) intf['TransmitFrames'] = int(con[14]) intf['TransmitCompressed'] = int(con[15]) intf['TransmitMulticast'] = int(con[16]) """  intf = dict(  zip(  ( 'interface','ReceiveBytes','ReceivePackets',  'ReceiveErrs','ReceiveDrop','ReceiveFifo',  'ReceiveFrames','ReceiveCompressed','ReceiveMulticast',  'TransmitBytes','TransmitPackets','TransmitErrs',  'TransmitDrop', 'TransmitFifo','TransmitFrames',  'TransmitCompressed','TransmitMulticast' ),  ( con[0].rstrip(":"),int(con[1]),int(con[2]),  int(con[3]),int(con[4]),int(con[5]),  int(con[6]),int(con[7]),int(con[8]),  int(con[9]),int(con[10]),int(con[11]),  int(con[12]),int(con[13]),int(con[14]),  int(con[15]),int(con[16]), )  )  )  net.append(intf)  return net  磁盘空间使用
使用内置Python内置函数，返回dict,单位byte#!/usr/bin/env python
def disk_stat():  import os  hd={}  disk = os.statvfs("/")  hd['available'] = disk.f_bsize * disk.f_bavail  hd['capacity'] = disk.f_bsize * disk.f_blocks  hd['used'] = disk.f_bsize * disk.f_bfree  return hd