Examples with OperatingSystemMXBean java.lang.management.OperatingSystemMXBean used on opensource projects

Example 51 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project hazelcast by hazelcast.

the class OperatingSystemMXBeanSupport method readLongAttribute.

/**
     * Reads a long attribute from OperatingSystemMXBean.
     *
     * @param attributeName name of the attribute
     * @param defaultValue default value if the attribute value is null
     * @return value of the attribute
     */
public static long readLongAttribute(String attributeName, long defaultValue) {
    try {
        String methodName = "get" + attributeName;
        OperatingSystemMXBean systemMXBean = OPERATING_SYSTEM_MX_BEAN;
        Method method = systemMXBean.getClass().getMethod(methodName);
        // the method is public in Java 9
        if (!Modifier.isPublic(method.getModifiers())) {
            method.setAccessible(true);
        }
        Object value = method.invoke(systemMXBean);
        if (value == null) {
            return defaultValue;
        }
        if (value instanceof Long) {
            return (Long) value;
        }
        if (value instanceof Double) {
            double v = (Double) value;
            return Math.round(v * PERCENTAGE_MULTIPLIER);
        }
        if (value instanceof Number) {
            return ((Number) value).longValue();
        }
    } catch (RuntimeException re) {
        throw re;
    } catch (Exception ignored) {
        EmptyStatement.ignore(ignored);
    }
    return defaultValue;
}

Example 52 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project hazelcast by hazelcast.

the class TimedMemberStateFactoryHelper method createRuntimeProps.

static void createRuntimeProps(MemberStateImpl memberState) {
    Runtime runtime = Runtime.getRuntime();
    ThreadMXBean threadMxBean = ManagementFactory.getThreadMXBean();
    RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
    ClassLoadingMXBean clMxBean = ManagementFactory.getClassLoadingMXBean();
    MemoryMXBean memoryMxBean = ManagementFactory.getMemoryMXBean();
    MemoryUsage heapMemory = memoryMxBean.getHeapMemoryUsage();
    MemoryUsage nonHeapMemory = memoryMxBean.getNonHeapMemoryUsage();
    Map<String, Long> map = new HashMap<String, Long>();
    map.put("runtime.availableProcessors", Integer.valueOf(runtime.availableProcessors()).longValue());
    map.put("date.startTime", runtimeMxBean.getStartTime());
    map.put("seconds.upTime", runtimeMxBean.getUptime());
    map.put("memory.maxMemory", runtime.maxMemory());
    map.put("memory.freeMemory", runtime.freeMemory());
    map.put("memory.totalMemory", runtime.totalMemory());
    map.put("memory.heapMemoryMax", heapMemory.getMax());
    map.put("memory.heapMemoryUsed", heapMemory.getUsed());
    map.put("memory.nonHeapMemoryMax", nonHeapMemory.getMax());
    map.put("memory.nonHeapMemoryUsed", nonHeapMemory.getUsed());
    map.put("runtime.totalLoadedClassCount", clMxBean.getTotalLoadedClassCount());
    map.put("runtime.loadedClassCount", Integer.valueOf(clMxBean.getLoadedClassCount()).longValue());
    map.put("runtime.unloadedClassCount", clMxBean.getUnloadedClassCount());
    map.put("runtime.totalStartedThreadCount", threadMxBean.getTotalStartedThreadCount());
    map.put("runtime.threadCount", Integer.valueOf(threadMxBean.getThreadCount()).longValue());
    map.put("runtime.peakThreadCount", Integer.valueOf(threadMxBean.getPeakThreadCount()).longValue());
    map.put("runtime.daemonThreadCount", Integer.valueOf(threadMxBean.getDaemonThreadCount()).longValue());
    OperatingSystemMXBean osMxBean = ManagementFactory.getOperatingSystemMXBean();
    map.put("osMemory.freePhysicalMemory", get(osMxBean, "getFreePhysicalMemorySize", 0L));
    map.put("osMemory.committedVirtualMemory", get(osMxBean, "getCommittedVirtualMemorySize", 0L));
    map.put("osMemory.totalPhysicalMemory", get(osMxBean, "getTotalPhysicalMemorySize", 0L));
    map.put("osSwap.freeSwapSpace", get(osMxBean, "getFreeSwapSpaceSize", 0L));
    map.put("osSwap.totalSwapSpace", get(osMxBean, "getTotalSwapSpaceSize", 0L));
    map.put("os.maxFileDescriptorCount", get(osMxBean, "getMaxFileDescriptorCount", 0L));
    map.put("os.openFileDescriptorCount", get(osMxBean, "getOpenFileDescriptorCount", 0L));
    map.put("os.processCpuLoad", get(osMxBean, "getProcessCpuLoad", -1L));
    map.put("os.systemLoadAverage", get(osMxBean, "getSystemLoadAverage", -1L));
    map.put("os.systemCpuLoad", get(osMxBean, "getSystemCpuLoad", -1L));
    map.put("os.processCpuTime", get(osMxBean, "getProcessCpuTime", 0L));
    map.put("os.availableProcessors", get(osMxBean, "getAvailableProcessors", 0L));
    memberState.setRuntimeProps(map);
}

Example 53 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project deeplearning4j by deeplearning4j.

the class BaseStatsListener method doInit.

private void doInit(Model model) {
    boolean backpropParamsOnly = backpropParamsOnly(model);
    //TODO support NTP
    long initTime = System.currentTimeMillis();
    StatsInitializationReport initReport = getNewInitializationReport();
    initReport.reportIDs(getSessionID(model), TYPE_ID, workerID, initTime);
    if (initConfig.collectSoftwareInfo()) {
        OperatingSystemMXBean osBean = ManagementFactory.getOperatingSystemMXBean();
        RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
        String arch = osBean.getArch();
        String osName = osBean.getName();
        String jvmName = runtime.getVmName();
        String jvmVersion = System.getProperty("java.version");
        String jvmSpecVersion = runtime.getSpecVersion();
        String nd4jBackendClass = Nd4j.getNDArrayFactory().getClass().getName();
        String nd4jDataTypeName = DataTypeUtil.getDtypeFromContext().name();
        String hostname = System.getenv("COMPUTERNAME");
        if (hostname == null || hostname.isEmpty()) {
            try {
                Process proc = Runtime.getRuntime().exec("hostname");
                try (InputStream stream = proc.getInputStream()) {
                    hostname = IOUtils.toString(stream);
                }
            } catch (Exception e) {
            }
        }
        Properties p = Nd4j.getExecutioner().getEnvironmentInformation();
        Map<String, String> envInfo = new HashMap<>();
        for (Map.Entry<Object, Object> e : p.entrySet()) {
            Object v = e.getValue();
            String value = (v == null ? "" : v.toString());
            envInfo.put(e.getKey().toString(), value);
        }
        initReport.reportSoftwareInfo(arch, osName, jvmName, jvmVersion, jvmSpecVersion, nd4jBackendClass, nd4jDataTypeName, hostname, UIDProvider.getJVMUID(), envInfo);
    }
    if (initConfig.collectHardwareInfo()) {
        int availableProcessors = Runtime.getRuntime().availableProcessors();
        NativeOps nativeOps = NativeOpsHolder.getInstance().getDeviceNativeOps();
        int nDevices = nativeOps.getAvailableDevices();
        long[] deviceTotalMem = null;
        //TODO
        String[] deviceDescription = null;
        if (nDevices > 0) {
            deviceTotalMem = new long[nDevices];
            deviceDescription = new String[nDevices];
            for (int i = 0; i < nDevices; i++) {
                try {
                    Pointer p = getDevicePointer(i);
                    if (p == null) {
                        deviceTotalMem[i] = 0;
                        deviceDescription[i] = "Device(" + i + ")";
                    } else {
                        deviceTotalMem[i] = nativeOps.getDeviceTotalMemory(p);
                        deviceDescription[i] = nativeOps.getDeviceName(p);
                        if (nDevices > 1) {
                            deviceDescription[i] = deviceDescription[i] + " (" + i + ")";
                        }
                    }
                } catch (Exception e) {
                    log.debug("Error getting device info", e);
                }
            }
        }
        long jvmMaxMemory = Runtime.getRuntime().maxMemory();
        long offheapMaxMemory = Pointer.maxBytes();
        initReport.reportHardwareInfo(availableProcessors, nDevices, jvmMaxMemory, offheapMaxMemory, deviceTotalMem, deviceDescription, UIDProvider.getHardwareUID());
    }
    if (initConfig.collectModelInfo()) {
        String jsonConf;
        int numLayers;
        int numParams;
        if (model instanceof MultiLayerNetwork) {
            MultiLayerNetwork net = ((MultiLayerNetwork) model);
            jsonConf = net.getLayerWiseConfigurations().toJson();
            numLayers = net.getnLayers();
            numParams = net.numParams();
        } else if (model instanceof ComputationGraph) {
            ComputationGraph cg = ((ComputationGraph) model);
            jsonConf = cg.getConfiguration().toJson();
            numLayers = cg.getNumLayers();
            numParams = cg.numParams();
        } else if (model instanceof Layer) {
            Layer l = (Layer) model;
            jsonConf = l.conf().toJson();
            numLayers = 1;
            numParams = l.numParams();
        } else {
            throw new RuntimeException("Invalid model: Expected MultiLayerNetwork or ComputationGraph. Got: " + (model == null ? null : model.getClass()));
        }
        Map<String, INDArray> paramMap = model.paramTable(backpropParamsOnly);
        String[] paramNames = new String[paramMap.size()];
        int i = 0;
        for (String s : paramMap.keySet()) {
            //Assuming sensible iteration order - LinkedHashMaps are used in MLN/CG for example
            paramNames[i++] = s;
        }
        initReport.reportModelInfo(model.getClass().getName(), jsonConf, paramNames, numLayers, numParams);
    }
    StorageMetaData meta = getNewStorageMetaData(initTime, getSessionID(model), workerID);
    router.putStorageMetaData(meta);
    //TODO error handling
    router.putStaticInfo(initReport);
}

Example 54 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project dubbo by alibaba.

the class LoadStatusChecker method check.

public Status check() {
    OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean();
    double load;
    try {
        Method method = OperatingSystemMXBean.class.getMethod("getSystemLoadAverage", new Class<?>[0]);
        load = (Double) method.invoke(operatingSystemMXBean, new Object[0]);
    } catch (Throwable e) {
        load = -1;
    }
    int cpu = operatingSystemMXBean.getAvailableProcessors();
    return new Status(load < 0 ? Status.Level.UNKNOWN : (load < cpu ? Status.Level.OK : Status.Level.WARN), "Load: " + load + " / CPU: " + cpu);
}

Example 55 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project android by JetBrains.

the class AvdManagerConnection method checkMemorySize.

private static long checkMemorySize() {
    OperatingSystemMXBean osMXBean = ManagementFactory.getOperatingSystemMXBean();
    // without adding 3rd party libraries or using native code.
    try {
        Class<?> oracleSpecificMXBean = Class.forName("com.sun.management.OperatingSystemMXBean");
        Method getPhysicalMemorySizeMethod = oracleSpecificMXBean.getMethod("getTotalPhysicalMemorySize");
        Object result = getPhysicalMemorySizeMethod.invoke(osMXBean);
        if (result instanceof Number) {
            return ((Number) result).longValue();
        }
    } catch (ClassNotFoundException | NoSuchMethodException e) {
    // Unsupported JDK
    } catch (InvocationTargetException | IllegalAccessException e) {
        // Shouldn't happen (unsupported JDK?)
        IJ_LOG.error(e);
    }
    // Maximum memory allocatable to emulator - 32G. Only used if non-Oracle JRE.
    return 32L * Storage.Unit.GiB.getNumberOfBytes();
}