内存信息 / meminfo

 返回dict

 

1.  
   #!/usr/bin/env python
2.  
   def memory_stat():
3.  
   mem = {}
4.  
   f = open(

   "/proc/meminfo")
5.  
   lines = f.readlines()
6.  
   f.close()
7.  
   for line in lines:
8.  
   if len(line) < 2: continue
9.  
   name = line.split(

   ':')[0]
10.  
    var = line.split(

    ':')[1].split()[0]
11.  
    mem[name] = long(var) *

    1024.0
12.  
    mem[

    'MemUsed'] = mem['MemTotal'] - mem['MemFree'] - mem['Buffers'] - mem['Cached']
13.  
    return mem

 

CPU信息 / cpuinfo

返回list，每核心一dict

 

1.  
   #!/usr/bin/env python
2.  
   def cpu_stat():
3.  
   cpu = []
4.  
   cpuinfo = {}
5.  
   f = open(

   "/proc/cpuinfo")
6.  
   lines = f.readlines()
7.  
   f.close()
8.  
   for line in lines:
9.  
   if line == '\n':
10.  
    cpu.append(cpuinfo)
11.  
    cpuinfo = {}
12.  
    if len(line) < 2: continue
13.  
    name = line.split(

    ':')[0].rstrip()
14.  
    var = line.split(

    ':')[1]
15.  
    cpuinfo[name] = var
16.  
    return cpu

负载信息 / loadavg

返回dict

 

1.  
   #!/usr/bin/env python
2.  
   def load_stat():
3.  
   loadavg = {}
4.  
   f = open(

   "/proc/loadavg")
5.  
   con = f.read().split()
6.  
   f.close()
7.  
   loadavg[

   'lavg_1']=con[0]
8.  
   loadavg[

   'lavg_5']=con[1]
9.  
   loadavg[

   'lavg_15']=con[2]
10.  
    loadavg[

    'nr']=con[3]
11.  
    loadavg[

    'last_pid']=con[4]
12.  
    return loadavg

运转时间 / Uptime

返回dict

 

1.  
   #!/usr/bin/env python
2.  
   def uptime_stat():
3.  
   uptime = {}
4.  
   f = open(

   "/proc/uptime")
5.  
   con = f.read().split()
6.  
   f.close()
7.  
   all_sec = float(con[

   0])
8.  
   MINUTE,HOUR,DAY =

   60,3600,86400
9.  
   uptime[

   'day'] = int(all_sec / DAY )
10.  
    uptime[

    'hour'] = int((all_sec % DAY) / HOUR)
11.  
    uptime[

    'minute'] = int((all_sec % HOUR) / MINUTE)
12.  
    uptime[

    'second'] = int(all_sec % MINUTE)
13.  
    uptime[

    'Free rate'] = float(con[1]) / float(con[0])
14.  
    return uptime

获取网卡流量信息 /proc/net/dev

返回dict,单位byte

 

1.  
   #!/usr/bin/env python
2.  
   def net_stat():
3.  
   net = []
4.  
   f = open(

   "/proc/net/dev")
5.  
   lines = f.readlines()
6.  
   f.close()
7.  
   for line in lines[2:]:
8.  
   con = line.split()
9.  
   """
10.  
    intf = {}
11.  
    intf['interface'] = con[0].lstrip(":")
12.  
    intf['ReceiveBytes'] = int(con[1])
13.  
    intf['ReceivePackets'] = int(con[2])
14.  
    intf['ReceiveErrs'] = int(con[3])
15.  
    intf['ReceiveDrop'] = int(con[4])
16.  
    intf['ReceiveFifo'] = int(con[5])
17.  
    intf['ReceiveFrames'] = int(con[6])
18.  
    intf['ReceiveCompressed'] = int(con[7])
19.  
    intf['ReceiveMulticast'] = int(con[8])
20.  
    intf['TransmitBytes'] = int(con[9])
21.  
    intf['TransmitPackets'] = int(con[10])
22.  
    intf['TransmitErrs'] = int(con[11])
23.  
    intf['TransmitDrop'] = int(con[12])
24.  
    intf['TransmitFifo'] = int(con[13])
25.  
    intf['TransmitFrames'] = int(con[14])
26.  
    intf['TransmitCompressed'] = int(con[15])
27.  
    intf['TransmitMulticast'] = int(con[16])
28.  
    """
29.  
    intf = dict(
30.  
    zip(
31.  
    (

    'interface','ReceiveBytes','ReceivePackets',
32.  
    'ReceiveErrs','ReceiveDrop','ReceiveFifo',
33.  
    'ReceiveFrames','ReceiveCompressed','ReceiveMulticast',
34.  
    'TransmitBytes','TransmitPackets','TransmitErrs',
35.  
    'TransmitDrop', 'TransmitFifo','TransmitFrames',
36.  
    'TransmitCompressed','TransmitMulticast' ),
37.  
    ( con[

    0].rstrip(":"),int(con[1]),int(con[2]),
38.  
    int(con[

    3]),int(con[4]),int(con[5]),
39.  
    int(con[

    6]),int(con[7]),int(con[8]),
40.  
    int(con[

    9]),int(con[10]),int(con[11]),
41.  
    int(con[

    12]),int(con[13]),int(con[14]),
42.  
    int(con[

    15]),int(con[16]), )
43.  
    )
44.  
    )
45.  
     
46.  
    net.append(intf)
47.  
    return net

磁盘空间使用

使用内置python内置函数，返回dict,单位byte

 

1.  
   #!/usr/bin/env python
2.  
   def disk_stat():
3.  
   import os
4.  
   hd={}
5.  
   disk = os.statvfs(

   "/")
6.  
   hd[

   'available'] = disk.f_bsize * disk.f_bavail
7.  
   hd[

   'capacity'] = disk.f_bsize * disk.f_blocks
8.  
   hd[

   'used'] = disk.f_bsize * disk.f_bfree
9.  
   return hd