Ubuntu系统监控cpu memery 磁盘Io次数 IO速率 网卡 运行时间等信息的采集

实验室最近在做的项目要做ubuntu系统监控，要获得系统的一些信息并返回给web服务器.

web服务器与ubuntu主机的通信我写的程序用的是socket，至于为什么不用java程序ssh到对应的主机上当初这个方案被否决了，只好专心写自己的socket.

系统的cpu信息的获得可以用cat /proc/cpuinfo

下面是我截取的命令执行部分结果

这里面有几个非常重要的参数

• processor     逻辑处理器的id。
• physical id    物理封装的处理器的id。
• core id           每个核心的id。
• cpu cores     位于相同物理封装的处理器中的内核数量。
• siblings         位于相同物理封装的处理器中的逻辑处理器的数量

系统内存的使用率我用的是free命令

总内存 已用内存 和剩余内存都可以得到 使用率的获得也就是用这几个参数做一些计算

系统的磁盘Io我用的是iostat -x -k 1 2  这里取得是第二次刷新的数据  原因是第一次的数据是从系统开机到现在的累计值 不是需求要得到的 这里截取命令的截取结果

各个参数的含义这里就不详细解释了  在网上都解释的很详细

网卡信息的采集 我用的是lspci

Ethernet controller 既是系统的网卡

系统的运行时间 用到的命令是cat /proc/uptime

第一个参数1188788.89既是系统运行了多少S

采集的命令 都知道了  接下来就是用java程序采集了  不多说  贴上自己写的部分代码 由于要用socket传给客户端 所以对字符都有一些分隔符处理 方便客户端对字符串解析

     public static String getmachineinfo() throws IOException {
         StringBuffer Machineinfo = new StringBuffer();
         StringBuffer Machineio = new StringBuffer();
         StringBuffer MachineUptime = new StringBuffer();
         StringBuffer MachineCpu = new StringBuffer();
         StringBuffer MachineNetworkcard = new StringBuffer();
         StringBuffer MachineMemory = new StringBuffer();
         StringBuffer MachineHostname = new StringBuffer();
         double Machinerunningvm=0;
         String[] cmd = new String[] { "iostat", "-x", "-k", "1", "2" };
         Process process = Runtime.getRuntime().exec(cmd);
         int count = 0;// 计数
         double ioreadspeedsum = 0;// 统计实体机每个磁盘io的和
         double iowritespeedsum = 0;
         double ioreadnumsum = 0;
         double iowritenumsum = 0;
         LineNumberReader br = new LineNumberReader(new InputStreamReader(process.getInputStream()));
         String line;
         while ((line = br.readLine()) != null) {
             String[] words = line.split("\\s+");
             if (words.length > 3) {
                 if (words[0].equals("Device:"))// 用来判断取第二次刷新的数据
                     count += 1;
                 if (words[0].contains("sd") && count == 2)// 取第二次刷新的数据
                                                             // 获得Io信息并取得累加值
                 {
                     ioreadnumsum += Double.valueOf(words[3]);
                     iowritenumsum += Double.valueOf(words[4]);
                     ioreadspeedsum += Double.valueOf(words[5]);
                     iowritespeedsum += Double.valueOf(words[6]);
                 }
             }
         }
         Machineio.append(ioreadnumsum + " " + iowritenumsum + " " + ioreadspeedsum + " " + iowritespeedsum + " ");
         cmd = new String[] { "cat", "/proc/uptime" };
         process = Runtime.getRuntime().exec(cmd);
         br = new LineNumberReader(new InputStreamReader(process.getInputStream()));
         if ((line = br.readLine()) != null) {
             String[] words = line.split("\\s+");
             MachineUptime.append(words[0] + " ");
         }
         ArrayList<String> cpuidjudge = new ArrayList<String>();
         String cpuid = new String();
         String cpumodelname = new String();
         String cpucore = new String();
         String cpusiblings = new String();
         cmd = new String[] { "cat", "/proc/cpuinfo" };
         process = Runtime.getRuntime().exec(cmd);
         br = new LineNumberReader(new InputStreamReader(process.getInputStream()));
         while ((line = br.readLine()) != null) {
             String[] words = line.split("\\s+");
             if (words.length > 1) {
                 if (words[0].equals("physical"))// 用来判断Physical id
                 {
                     cpuid = words[3];
                 }
                 if (words[0].equals("model") && words[1].equals("name"))// 用来判断cpu
                                                                         // model
                                                                         // name
                 {
                     cpumodelname = line.toString().replaceAll("model name    :", "").replaceAll("\\s+", " ");
                 }
                 if (words[0].equals("siblings"))// 用来判断siblings
                 {
                     cpusiblings = words[2];
                 }
                 if (words[0].equals("cpu") && words[1].equals("cores"))// 用来判断cpu
                                                                         // cores
                 {
                     cpucore = words[3];
                     if (!(cpuidjudge.contains(cpuid))) {
                         cpuidjudge.add(cpuid);
                         MachineCpu.append(cpuid + "-" + cpumodelname + "-" + cpusiblings + "-" + cpucore + "|");// 加的横杠和竖杠是为了客户端接收后对字符的分解处理
                     }
                 }
             }

         }
         cmd = new String[] { "lspci" };
         process = Runtime.getRuntime().exec(cmd);
         br = new LineNumberReader(new InputStreamReader(process.getInputStream()));
         while ((line = br.readLine()) != null) {
             String[] words = line.split("\\s+");
             if (words[1].equals("Ethernet") && words[2].contains("controller")) {// 用来判断网关
                 for (int i = 3; i < words.length; i++) {
                     MachineNetworkcard.append(words[i] + " ");
                 }
                 MachineNetworkcard.append("-");
             }
         }
         cmd = new String[] { "free" };
         process = Runtime.getRuntime().exec(cmd);
         br = new LineNumberReader(new InputStreamReader(process.getInputStream()));
         while ((line = br.readLine()) != null) {
             String[] words = line.split("\\s+");
             if (words[0].equals("Mem:"))// 用来判断内存
             {
                 MachineMemory.append(words[1] + " " + words[2] + " " + words[3]);
             }
         }
         cmd = new String[] { "hostname" };
         process = Runtime.getRuntime().exec(cmd);
         br = new LineNumberReader(new InputStreamReader(process.getInputStream()));
         MachineHostname.append(br.readLine());
         System.out.println(MachineHostname.toString());
         cmd = new String[] { "virsh","list"};
         process = Runtime.getRuntime().exec(cmd);
         br = new LineNumberReader(new InputStreamReader(process.getInputStream()));
         while ((line = br.readLine()) != null) {
             String[] words = line.split("\\s+");
             if (words.length>2&&words[3].contains("running"))// 用来判断
             {
                 Machinerunningvm+=1;
             }
         }
         Machineinfo.append(Machineio + "\n" + MachineUptime + "\n" + MachineCpu + "\n" + MachineNetworkcard+"\n"+MachineMemory+"\n"+MachineHostname+"\n"+Machinerunningvm);
         return Machineinfo.toString();
     }

暂时先写这么多吧