python Linux系統資訊

標籤：python資訊系統

記憶體資訊 / 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資訊 / 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  負載資訊 / 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      運轉時間 / 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      擷取網卡流量資訊 /proc/net/dev返回dict,單位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      磁碟空間使用使用內建Python內建函數，返回dict,單位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

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python Linux系統資訊