java监控服务器系统信息

oshi

maven依赖

        <dependency>
            <groupId>com.github.oshi</groupId>
            <artifactId>oshi-core</artifactId>
            <version>5.0.0</version>
        </dependency>

 

 具体实现

package com.demo.oshi.test;


import oshi.SystemInfo;
import oshi.hardware.*;
import oshi.hardware.CentralProcessor.TickType;
import oshi.software.os.*;
import oshi.software.os.OperatingSystem.ProcessSort;
import oshi.util.FormatUtil;
import oshi.util.Util;

import java.time.Instant;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;


/**
 * @author ：jerry_wei
 * @date ：Created in 2020/5/9 9:15
 * @description：cpu监控和内存监控
 * @modified By：
 * @version:
 */
public class OshiTest {


    static List<String> oshi = new ArrayList<>();


    /**
     * The main method, demonstrating use of classes.
     *
     * @param args
     *            the arguments (unused)
     */
    public static void main(String[] args) {
        System.out.println("Initializing System...");
        SystemInfo si = new SystemInfo();

        HardwareAbstractionLayer hal = si.getHardware();
        OperatingSystem os = si.getOperatingSystem();

        printOperatingSystem(os);

        System.out.println("Checking computer system...");
        printComputerSystem(hal.getComputerSystem());

        System.out.println("Checking Processor...");
        printProcessor(hal.getProcessor());

        System.out.println("Checking Memory...");
        printMemory(hal.getMemory());

        System.out.println("Checking CPU...");
        printCpu(hal.getProcessor());

        System.out.println("Checking Processes...");
        printProcesses(os, hal.getMemory());

        System.out.println("Checking Services...");
        printServices(os);

        System.out.println("Checking Sensors...");
        printSensors(hal.getSensors());

        System.out.println("Checking Power sources...");
        printPowerSources(hal.getPowerSources());

        System.out.println("Checking Disks...");
        printDisks(hal.getDiskStores());

        System.out.println("Checking File System...");
        printFileSystem(os.getFileSystem());

        System.out.println("Checking Network interfaces...");
        printNetworkInterfaces(hal.getNetworkIFs());

        System.out.println("Checking Network parameters...");
        printNetworkParameters(os.getNetworkParams());

        System.out.println("Checking IP statistics...");
        printInternetProtocolStats(os.getInternetProtocolStats());

        // hardware: displays
        System.out.println("Checking Displays...");
        printDisplays(hal.getDisplays());

        // hardware: USB devices
        System.out.println("Checking USB Devices...");
        printUsbDevices(hal.getUsbDevices(true));

        System.out.println("Checking Sound Cards...");
        printSoundCards(hal.getSoundCards());

        System.out.println("Checking Graphics Cards...");
        printGraphicsCards(hal.getGraphicsCards());

        StringBuilder output = new StringBuilder();
        for (int i = 0; i < oshi.size(); i++) {
            output.append(oshi.get(i));
            if (oshi.get(i) != null && !oshi.get(i).endsWith("\n")) {
                output.append('\n');
            }
        }
        System.out.println("Printing Operating System and Hardware Info:{}{}"+ output);
    }

    private static void printOperatingSystem(final OperatingSystem os) {
        oshi.add(String.valueOf(os));
        oshi.add("Booted: " + Instant.ofEpochSecond(os.getSystemBootTime()));
        oshi.add("Uptime: " + FormatUtil.formatElapsedSecs(os.getSystemUptime()));
        oshi.add("Running with" + (os.isElevated() ? "" : "out") + " elevated permissions.");
    }

    private static void printComputerSystem(final ComputerSystem computerSystem) {
        oshi.add("system: " + computerSystem.toString());
        oshi.add(" firmware: " + computerSystem.getFirmware().toString());
        oshi.add(" baseboard: " + computerSystem.getBaseboard().toString());
    }

    private static void printProcessor(CentralProcessor processor) {
        oshi.add(processor.toString());
    }

    private static void printMemory(GlobalMemory memory) {
        oshi.add("Physical Memory: \n " + memory.toString());
        VirtualMemory vm = memory.getVirtualMemory();
        oshi.add("Virtual Memory: \n " + vm.toString());
        List<PhysicalMemory> pmList = memory.getPhysicalMemory();
        if (!pmList.isEmpty()) {
            oshi.add("Physical Memory: ");
            for (PhysicalMemory pm : pmList) {
                oshi.add(" " + pm.toString());
            }
        }
    }

    private static void printCpu(CentralProcessor processor) {
        oshi.add("Context Switches/Interrupts: " + processor.getContextSwitches() + " / " + processor.getInterrupts());

        long[] prevTicks = processor.getSystemCpuLoadTicks();
        long[][] prevProcTicks = processor.getProcessorCpuLoadTicks();
        oshi.add("CPU, IOWait, and IRQ ticks @ 0 sec:" + Arrays.toString(prevTicks));
        // Wait a second...
        Util.sleep(1000);
        long[] ticks = processor.getSystemCpuLoadTicks();
        oshi.add("CPU, IOWait, and IRQ ticks @ 1 sec:" + Arrays.toString(ticks));
        long user = ticks[TickType.USER.getIndex()] - prevTicks[TickType.USER.getIndex()];
        long nice = ticks[TickType.NICE.getIndex()] - prevTicks[TickType.NICE.getIndex()];
        long sys = ticks[TickType.SYSTEM.getIndex()] - prevTicks[TickType.SYSTEM.getIndex()];
        long idle = ticks[TickType.IDLE.getIndex()] - prevTicks[TickType.IDLE.getIndex()];
        long iowait = ticks[TickType.IOWAIT.getIndex()] - prevTicks[TickType.IOWAIT.getIndex()];
        long irq = ticks[TickType.IRQ.getIndex()] - prevTicks[TickType.IRQ.getIndex()];
        long softirq = ticks[TickType.SOFTIRQ.getIndex()] - prevTicks[TickType.SOFTIRQ.getIndex()];
        long steal = ticks[TickType.STEAL.getIndex()] - prevTicks[TickType.STEAL.getIndex()];
        long totalCpu = user + nice + sys + idle + iowait + irq + softirq + steal;

        oshi.add(String.format(
                "User: %.1f%% Nice: %.1f%% System: %.1f%% Idle: %.1f%% IOwait: %.1f%% IRQ: %.1f%% SoftIRQ: %.1f%% Steal: %.1f%%",
                100d * user / totalCpu, 100d * nice / totalCpu, 100d * sys / totalCpu, 100d * idle / totalCpu,
                100d * iowait / totalCpu, 100d * irq / totalCpu, 100d * softirq / totalCpu, 100d * steal / totalCpu));
        oshi.add(String.format("CPU load: %.1f%%", processor.getSystemCpuLoadBetweenTicks(prevTicks) * 100));
        double[] loadAverage = processor.getSystemLoadAverage(3);
        oshi.add("CPU load averages:" + (loadAverage[0] < 0 ? " N/A" : String.format(" %.2f", loadAverage[0]))
                + (loadAverage[1] < 0 ? " N/A" : String.format(" %.2f", loadAverage[1]))
                + (loadAverage[2] < 0 ? " N/A" : String.format(" %.2f", loadAverage[2])));
        // per core CPU
        StringBuilder procCpu = new StringBuilder("CPU load per processor:");
        double[] load = processor.getProcessorCpuLoadBetweenTicks(prevProcTicks);
        for (double avg : load) {
            procCpu.append(String.format(" %.1f%%", avg * 100));
        }
        oshi.add(procCpu.toString());
        long freq = processor.getProcessorIdentifier().getVendorFreq();
        if (freq > 0) {
            oshi.add("Vendor Frequency: " + FormatUtil.formatHertz(freq));
        }
        freq = processor.getMaxFreq();
        if (freq > 0) {
            oshi.add("Max Frequency: " + FormatUtil.formatHertz(freq));
        }
        long[] freqs = processor.getCurrentFreq();
        if (freqs[0] > 0) {
            StringBuilder sb = new StringBuilder("Current Frequencies: ");
            for (int i = 0; i < freqs.length; i++) {
                if (i > 0) {
                    sb.append(", ");
                }
                sb.append(FormatUtil.formatHertz(freqs[i]));
            }
            oshi.add(sb.toString());
        }
    }

    private static void printProcesses(OperatingSystem os, GlobalMemory memory) {
        OSProcess myProc = os.getProcess(os.getProcessId());
        oshi.add(
                "My PID: " + myProc.getProcessID() + " with affinity " + Long.toBinaryString(myProc.getAffinityMask()));
        oshi.add("Processes: " + os.getProcessCount() + ", Threads: " + os.getThreadCount());
        // Sort by highest CPU
        List<OSProcess> procs = os.getProcesses(5, ProcessSort.CPU);
        oshi.add("   PID  %CPU %MEM       VSZ       RSS Name");
        for (int i = 0; i < procs.size() && i < 5; i++) {
            OSProcess p = procs.get(i);
            oshi.add(String.format(" %5d %5.1f %4.1f %9s %9s %s", p.getProcessID(),
                    100d * (p.getKernelTime() + p.getUserTime()) / p.getUpTime(),
                    100d * p.getResidentSetSize() / memory.getTotal(), FormatUtil.formatBytes(p.getVirtualSize()),
                    FormatUtil.formatBytes(p.getResidentSetSize()), p.getName()));
        }
    }

    private static void printServices(OperatingSystem os) {
        oshi.add("Services: ");
        oshi.add("   PID   State   Name");
        // DO 5 each of running and stopped
        int i = 0;
        for (OSService s : os.getServices()) {
            if (s.getState().equals(OSService.State.RUNNING) && i++ < 5) {
                oshi.add(String.format(" %5d  %7s  %s", s.getProcessID(), s.getState(), s.getName()));
            }
        }
        i = 0;
        for (OSService s : os.getServices()) {
            if (s.getState().equals(OSService.State.STOPPED) && i++ < 5) {
                oshi.add(String.format(" %5d  %7s  %s", s.getProcessID(), s.getState(), s.getName()));
            }
        }
    }

    private static void printSensors(Sensors sensors) {
        oshi.add("Sensors: " + sensors.toString());
    }

    private static void printPowerSources(List<PowerSource> list) {
        StringBuilder sb = new StringBuilder("Power Sources: ");
        if (list.isEmpty()) {
            sb.append("Unknown");
        }
        for (PowerSource powerSource : list) {
            sb.append("\n ").append(powerSource.toString());
        }
        oshi.add(sb.toString());
    }

    private static void printDisks(List<HWDiskStore> list) {
        oshi.add("Disks:");
        for (HWDiskStore disk : list) {
            oshi.add(" " + disk.toString());

            List<HWPartition> partitions = disk.getPartitions();
            for (HWPartition part : partitions) {
                oshi.add(" |-- " + part.toString());
            }
        }

    }

    private static void printFileSystem(FileSystem fileSystem) {
        oshi.add("File System:");

        oshi.add(String.format(" File Descriptors: %d/%d", fileSystem.getOpenFileDescriptors(),
                fileSystem.getMaxFileDescriptors()));

        for (OSFileStore fs : fileSystem.getFileStores()) {
            long usable = fs.getUsableSpace();
            long total = fs.getTotalSpace();
            oshi.add(String.format(
                    " %s (%s) [%s] %s of %s free (%.1f%%), %s of %s files free (%.1f%%) is %s "
                            + (fs.getLogicalVolume() != null && fs.getLogicalVolume().length() > 0 ? "[%s]" : "%s")
                            + " and is mounted at %s",
                    fs.getName(), fs.getDescription().isEmpty() ? "file system" : fs.getDescription(), fs.getType(),
                    FormatUtil.formatBytes(usable), FormatUtil.formatBytes(fs.getTotalSpace()), 100d * usable / total,
                    FormatUtil.formatValue(fs.getFreeInodes(), ""), FormatUtil.formatValue(fs.getTotalInodes(), ""),
                    100d * fs.getFreeInodes() / fs.getTotalInodes(), fs.getVolume(), fs.getLogicalVolume(),
                    fs.getMount()));
        }
    }

    private static void printNetworkInterfaces(List<NetworkIF> list) {
        StringBuilder sb = new StringBuilder("Network Interfaces:");
        if (list.isEmpty()) {
            sb.append(" Unknown");
        } else {
            for (NetworkIF net : list) {
                sb.append("\n ").append(net.toString());
            }
        }
        oshi.add(sb.toString());
    }

    private static void printNetworkParameters(NetworkParams networkParams) {
        oshi.add("Network parameters:\n " + networkParams.toString());
    }

    private static void printInternetProtocolStats(InternetProtocolStats ip) {
        oshi.add("Internet Protocol statistics:");
        oshi.add(" TCPv4: " + ip.getTCPv4Stats());
        oshi.add(" TCPv6: " + ip.getTCPv6Stats());
        oshi.add(" UDPv4: " + ip.getUDPv4Stats());
        oshi.add(" UDPv6: " + ip.getUDPv6Stats());
    }

    private static void printDisplays(List<Display> list) {
        oshi.add("Displays:");
        int i = 0;
        for (Display display : list) {
            oshi.add(" Display " + i + ":");
            oshi.add(String.valueOf(display));
            i++;
        }
    }

    private static void printUsbDevices(List<UsbDevice> list) {
        oshi.add("USB Devices:");
        for (UsbDevice usbDevice : list) {
            oshi.add(String.valueOf(usbDevice));
        }
    }

    private static void printSoundCards(List<SoundCard> list) {
        oshi.add("Sound Cards:");
        for (SoundCard card : list) {
            oshi.add(" " + String.valueOf(card));
        }
    }

    private static void printGraphicsCards(List<GraphicsCard> list) {
        oshi.add("Graphics Cards:");
        if (list.isEmpty()) {
            oshi.add(" None detected.");
        } else {
            for (GraphicsCard card : list) {
                oshi.add(" " + String.valueOf(card));
            }
        }
    }


}

 

注意内容

需要继续增加依赖jna，jna-platform，slf4j-api 三个jar包，和spring boot 集成时，springboot本身包含jna包和slf4j包，注意版本问题

sigar

maven依赖

        <dependency>
            <groupId>org.fusesource</groupId>
            <artifactId>sigar</artifactId>
            <version>1.6.4</version>
        </dependency>

具体实现

package com.demo.oshi.test;

import org.hyperic.sigar.CpuInfo;
import org.hyperic.sigar.CpuPerc;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;

import java.util.Properties;

/**
 * @author ：jerry_wei
 * @date ：Created in 2020/5/8 17:26
 * @description：cpu和内存监控类
 * @modified By：
 * @version:
 */
public class SigarTest {

    public static void main(String[] args) throws SigarException {

        cpu();
        nei();

    }

    public static  void cpu(){
        Properties props = System.getProperties();
        String systemName = props.getProperty("os.name");

        // 使用sigar获取CPU信息及内存
        Sigar sigar = new Sigar();

        // 获取CPU信息
        CpuInfo[] infos = new CpuInfo[0];
        try {
            infos = sigar.getCpuInfoList();
        } catch (SigarException e) {
            e.printStackTrace();
        }

        CpuInfo infoss = infos[0];

        CpuPerc cpu = null;
        try {
            cpu = sigar.getCpuPerc();
        } catch (SigarException e) {
            e.printStackTrace();
        }
        // CPU总数
        Integer totalCPUs = infoss.getTotalCores();

        String cpuinfo = infoss.getVendor() + "  " + infoss.getModel();
        // 获取CPU基准速度
        double referenceSpeed = infoss.getMhz();

        String referenceSpeeds = String.format("%.2f", referenceSpeed / 1000) + " GHz";

        // 获取CPU用户利用率
        double userUsedPerc = cpu.getUser();
        // 获取CPU系统利用率
        double sysUsedPerc = cpu.getSys();
        // 获取CPU利用率
        double cpuUsedPerc = cpu.getCombined();

        String userPers =  "";
        String sysPers =  "";
        String cpuPers = "";
        if(systemName.startsWith("win") || systemName.startsWith("Win")) {
            //Windows系统 Perc * 100
            userPers = String.format("%.1f", userUsedPerc * 100) + "%";
            sysPers = String.format("%.1f", sysUsedPerc * 100) + "%";
            cpuPers = String.format("%.1f", cpuUsedPerc * 100) + "%";
        }else {
            //Linux系统 Perc * 1000
            cpuPers = String.format("%.1f", cpuUsedPerc * 1000) + "%";
            sysPers = String.format("%.1f", sysUsedPerc * 1000) + "%";
            userPers = String.format("%.1f", userUsedPerc * 1000) + "%";
        }

        System.out.println("CPU======="+cpuinfo);
        System.out.println("CPU总数======="+totalCPUs);
        System.out.println("CPU基准速度======="+referenceSpeeds);
        System.out.println("CPU用户利用率======="+userPers);
        System.out.println("CPU系统利用率======="+sysPers);
        System.out.println("CPU利用率======="+cpuPers);

        // 关闭sigar
        sigar.close();
    }


    public static void nei(){
        // 使用sigar获取CPU信息及内存
        Sigar sigar = new Sigar();
        double memTotal = 0;
        double memRam = 0;
        double memUsed = 0;// mem
        double memFree = 0;
        double memUsedPerc = 0;
        try {
            memTotal = sigar.getMem().getTotal();
            memRam = sigar.getMem().getRam();
            memUsed = sigar.getMem().getActualUsed();
            memFree = sigar.getMem().getActualFree();
            memUsedPerc = sigar.getMem().getUsedPercent();
        } catch (SigarException e) {
            e.printStackTrace();
        }

        String memory = String.format("%.0f", memTotal / 1024 / 1024 / 1024) + " GB";
        String memRamStr = String.format("%.1f", memRam / 1024) + " GB";
        String memused = String.format("%.2f", memUsed / 1024 / 1024 / 1024) + " GB";
        String memFrees = String.format("%.2f", memFree / 1024 / 1024 / 1024) + " GB";
        String memoryUsage = String.format("%.2f", memUsedPerc) + " %";


        System.out.println("内存======="+memory);
        System.out.println("内存使用量======="+memRamStr);
        System.out.println("使用中======="+memused);
        System.out.println("可用======="+memFrees);
        System.out.println("内存使用率======="+memoryUsage);

        // 关闭sigar
        sigar.close();


    }

}

 

注意问题

需要依赖dll或so文件。

Windows：
系统是64位则把sigar-amd64-winnt.dll添加到C:\Windows\System32
系统是32位则把sigar-x86-winnt.dll添加到C:\Windows\System32
Linux：
把libsigar-amd64-Linux.so（64bit）或libsigar-x86-linux.so（32bit）
添加到/usr/lib64或者/lib64或者/lib或者/usr/lib，只需放其中一个目录