com.sun.management.OperatingSystemMXBean#getTotalSwapSpaceSize

Source File: TestCpu.java From Jpom with MIT License

5 votes

public static String getMemery() {
    OperatingSystemMXBean osmxb = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
    // 总的物理内存+虚拟内存
    long totalvirtualMemory = osmxb.getTotalSwapSpaceSize();
    // 剩余的物理内存
    long freePhysicalMemorySize = osmxb.getFreePhysicalMemorySize();

    Double compare = (1 - freePhysicalMemorySize * 1.0 / totalvirtualMemory) * 100;
    return "内存已使用:" + compare.intValue() + "%";
}

Source File: Mem.java From zfile with MIT License

5 votes

public Mem() {
    OperatingSystemMXBean osb = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
    // 总的物理内存+虚拟内存
    long totalVirtualMemory = osb.getTotalSwapSpaceSize();
    // 剩余的物理内存
    long freePhysicalMemorySize = osb.getFreePhysicalMemorySize();
    this.total = totalVirtualMemory;
    this.free = freePhysicalMemorySize;
    this.used = totalVirtualMemory - freePhysicalMemorySize;
}

Source File: WindowsInfoUtil.java From charging_pile_cloud with MIT License

5 votes

public static int getMemery() {
    OperatingSystemMXBean osmxb = (OperatingSystemMXBean) ManagementFactory
            .getOperatingSystemMXBean();
    // 总的物理内存+虚拟内存
    long totalvirtualMemory = osmxb.getTotalSwapSpaceSize();
    // 剩余的物理内存
    long freePhysicalMemorySize = osmxb.getFreePhysicalMemorySize();
    Double compare = (Double) (1 - freePhysicalMemorySize * 1.0
            / totalvirtualMemory) * 100;
    return compare.intValue();
}

Source File: ScheduleTask.java From Jantent with MIT License

5 votes

public static String getMemery() {

        OperatingSystemMXBean osmxb = ManagementFactory.getPlatformMXBean(OperatingSystemMXBean.class);
        long totalvirtualMemory = osmxb.getTotalSwapSpaceSize(); // 剩余的物理内存
        long freePhysicalMemorySize = osmxb.getFreePhysicalMemorySize();
        Double compare = (Double) (1 - freePhysicalMemorySize * 1.0 / totalvirtualMemory) * 100;
        String str = compare.intValue() + "%";
        return str;

    }

Source File: GetSystemInfo.java From csustRepo with MIT License

5 votes

/**
 * 获取内存使用率  
 * @return
 */
public static String getMemeryRate()  
{  
    OperatingSystemMXBean osmxb = (OperatingSystemMXBean)ManagementFactory.getOperatingSystemMXBean();  
    // 总的物理内存+虚拟内存  
    long totalvirtualMemory = osmxb.getTotalSwapSpaceSize();  
    // 剩余的物理内存  
    long freePhysicalMemorySize = osmxb.getFreePhysicalMemorySize();  
    Double compare = (Double)(1 - freePhysicalMemorySize * 1.0 / totalvirtualMemory) * 100;  
    String str = compare.intValue() + "%";  
    return str;  
}

Source File: HostTask.java From bistoury with GNU General Public License v3.0

4 votes

private static HostInfo getHostInfo(MxBean mxBean) {
    OperatingSystemMXBean osBean = mxBean.getOsBean();
    ThreadMXBean threadBean = mxBean.getThreadBean();

    HostInfo hostInfo = new HostInfo();
    String osName = System.getProperty("os.name");
    int availableProcessors = Runtime.getRuntime().availableProcessors();
    String cpuLoadAverages = null;
    if (osName != null && osName.toLowerCase().contains("linux")) {
        try {
            File file = new File(LOADAVG_FILENAME);
            cpuLoadAverages = FileUtil.readFile(file);
        } catch (IOException e) {
            logger.error("get CPU Load Averages error", e);
        }
    }

    double systemLoadAverage = osBean.getSystemLoadAverage();
    // 可使用内存
    long totalMemory = Runtime.getRuntime().totalMemory() / KB;
    // 剩余内存
    long freeMemory = Runtime.getRuntime().freeMemory() / KB;
    // 最大可使用内存
    long maxMemory = Runtime.getRuntime().maxMemory() / KB;

    //总交换空间
    long totalSwapSpaceSize = osBean.getTotalSwapSpaceSize() / KB;
    //空闲交换空间
    long freeSwapSpaceSize = osBean.getFreeSwapSpaceSize() / KB;
    //总物理内存
    long totalPhysicalMemorySize = osBean.getTotalPhysicalMemorySize() / KB;
    //空闲物理内存
    long freePhysicalMemorySize = osBean.getFreePhysicalMemorySize() / KB;
    //系统CPU利用率
    double systemCpuLoad = osBean.getSystemCpuLoad();

    long totalThread = threadBean.getTotalStartedThreadCount();

    //获取磁盘信息
    getDiskInfo(hostInfo);

    hostInfo.setAvailableProcessors(availableProcessors);
    hostInfo.setSystemLoadAverage(systemLoadAverage);
    hostInfo.setCpuLoadAverages(Strings.nullToEmpty(cpuLoadAverages));
    hostInfo.setOsName(osName);
    hostInfo.setTotalMemory(totalMemory);
    hostInfo.setFreeMemory(freeMemory);
    hostInfo.setMaxMemory(maxMemory);
    hostInfo.setTotalSwapSpaceSize(totalSwapSpaceSize);
    hostInfo.setFreeSwapSpaceSize(freeSwapSpaceSize);
    hostInfo.setTotalPhysicalMemorySize(totalPhysicalMemorySize);
    hostInfo.setFreePhysicalMemorySize(freePhysicalMemorySize);
    hostInfo.setUsedMemory(totalPhysicalMemorySize - freePhysicalMemorySize);
    hostInfo.setTotalThread(totalThread);
    hostInfo.setCpuRatio(systemCpuLoad);
    return hostInfo;
}

Source File: PerformanceStatus.java From vi with Apache License 2.0

4 votes

public PerformanceStatus() {
    OperatingSystemMXBean bean= (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
    RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();

    MemoryMXBean memBean = ManagementFactory.getMemoryMXBean();
    heapMemoryUsage= memBean.getHeapMemoryUsage();
    nonHeapMemoryUsage = memBean.getNonHeapMemoryUsage();

    ThreadMXBean threadBean = ManagementFactory.getThreadMXBean();
    currentThreadCount=threadBean.getThreadCount();
    daemonThreadCount= threadBean.getDaemonThreadCount();
    beanCreatedThreadCount= threadBean.getTotalStartedThreadCount();
    peakThreadCount = threadBean.getPeakThreadCount();

    ClassLoadingMXBean classLoadingBean = ManagementFactory.getClassLoadingMXBean();
    loadedClassCount=classLoadingBean.getLoadedClassCount();
    totalLoadedClassCount=classLoadingBean.getTotalLoadedClassCount();
    unloadedClassCount=classLoadingBean.getUnloadedClassCount();
    committedVirtualMemorySize = (bean.getCommittedVirtualMemorySize());
    freePhysicalMemorySize =(bean.getFreePhysicalMemorySize());
    totalPhysicalMemorySize =(bean.getTotalPhysicalMemorySize());

    freeSwapSpaceSize =(bean.getFreeSwapSpaceSize());
    totalSwapSpaceSize =(bean.getTotalSwapSpaceSize());
    processCpuTime =(bean.getProcessCpuTime());
    availableProcessors =bean.getAvailableProcessors();
    processCpuLoad =bean.getProcessCpuLoad();

    systemCpuLoad =bean.getSystemCpuLoad();
    systemLoadAverage =bean.getSystemLoadAverage();
    appStartUpTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(runtimeBean.getStartTime()));
    runtime = (new Date().getTime() - runtimeBean.getStartTime())/1000;
    os = bean.getName()+" "+bean.getVersion();

    if(HostInfo.isLinux()){
        try {
            availableMemory = (LinuxInfoUtil.getAvailableMemKB()*1024l);
        } catch (Throwable ignored) {
        }
    }

    File[] roots = File.listRoots();
    for(File file:roots){
        rootFiles.add(new RootFile(file.getAbsolutePath(),file.getTotalSpace(),file.getFreeSpace()));
    }
    getGCStatus();
}

Source File: VMSummary.java From vi with Apache License 2.0

4 votes

public VMSummary(){
    MemoryMXBean bean = ManagementFactory.getMemoryMXBean();
    MemoryUsage u = bean.getHeapMemoryUsage();
    heapCommitedMemory= (u.getCommitted());
    heapUsedMemory=(u.getUsed());
    heapMaxMemory=(u.getMax());

    u = bean.getNonHeapMemoryUsage();
    nonHeapCommitedMemory=(u.getCommitted());
    nonHeapUsedMemory=(u.getUsed());
    nonHeapMaxMemory=(u.getMax());

    ThreadMXBean threadBean = ManagementFactory.getThreadMXBean();
    currentThreadCount=threadBean.getThreadCount();
    daemonThreadCount= threadBean.getDaemonThreadCount();
    totalStartedThreadCount= threadBean.getTotalStartedThreadCount();
    peakThreadCount = threadBean.getPeakThreadCount();

    ClassLoadingMXBean classLoadingBean = ManagementFactory.getClassLoadingMXBean();
    loadedClassCount=classLoadingBean.getLoadedClassCount();
    totalLoadedClassCount=classLoadingBean.getTotalLoadedClassCount();
    unloadedClassCount=classLoadingBean.getUnloadedClassCount();
    getGCStatus();

    RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
    classPath = runtimeBean.getClassPath();
    libraryPath = runtimeBean.getLibraryPath();
    vmOptions = TextUtils.join(" ",runtimeBean.getInputArguments());
    bootClassPath = runtimeBean.getBootClassPath();
    upTime = runtimeBean.getUptime();

    vmName=runtimeBean.getVmName();
    vmVendor= runtimeBean.getVmVendor();


    OperatingSystemMXBean osBean= (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();

    processCpuTime = osBean.getProcessCpuTime();

    jdkVersion=System.getProperty("java.version");
    jitCompiler=System.getProperty("java.vm.name");

    os = osBean.getName() + " "+osBean.getVersion();
    osArch = osBean.getArch();
    availableProcessors = osBean.getAvailableProcessors();

     commitedVirtualMemory = osBean.getCommittedVirtualMemorySize();
    freePhysicalMemorySize =(osBean.getFreePhysicalMemorySize());
    totalPhysicalMemorySize =(osBean.getTotalPhysicalMemorySize());

    freeSwapSpaceSize =(osBean.getFreeSwapSpaceSize());
    totalSwapSpaceSize =(osBean.getTotalSwapSpaceSize());

    List<GarbageCollectorMXBean> beans = ManagementFactory.getGarbageCollectorMXBeans();
    gcInfos = new ArrayList<>(beans.size());
    for (GarbageCollectorMXBean b : beans) {
        GCBean gcBean = new GCBean();
        gcBean.name =b.getName();
        gcBean.gcCount = b.getCollectionCount();
        gcBean.gcTime = b.getCollectionTime();
        gcInfos.add(gcBean);
    }

}

Source File: GetSystemInfo.java From csustRepo with MIT License

4 votes

/**
 * 获取总共内存
 * @return
 */
public static Long getTotalMemery(){  
    OperatingSystemMXBean osmxb = (OperatingSystemMXBean)ManagementFactory.getOperatingSystemMXBean();  
    // 总的物理内存+虚拟内存  
    return  osmxb.getTotalSwapSpaceSize();  
}

Java Code Examples for com.sun.management.OperatingSystemMXBean#getTotalSwapSpaceSize()