Example usage for java.lang.management MemoryMXBean getNonHeapMemoryUsage

Introduction

In this page you can find the example usage for java.lang.management MemoryMXBean getNonHeapMemoryUsage.

Prototype

public MemoryUsage getNonHeapMemoryUsage();

Source Link

Document

Returns the current memory usage of non-heap memory that is used by the Java virtual machine.

Usage

From source file:org.rhq.enterprise.agent.promptcmd.GCPromptCommand.java

private void printGlobalMemoryUsage(PrintWriter out, final MemoryMXBean memoryMxBean) {
    printMemoryUsage(out, "GLOBAL", MemoryType.HEAP, memoryMxBean.getHeapMemoryUsage());
    printMemoryUsage(out, "GLOBAL", MemoryType.NON_HEAP, memoryMxBean.getNonHeapMemoryUsage());
}

From source file:org.romaframework.core.config.RomaApplicationContext.java

private void logMemoryUsage() {
    MemoryMXBean memBean = ManagementFactory.getMemoryMXBean();
    MemoryUsage heapMemory = memBean.getHeapMemoryUsage();
    MemoryUsage nonHeapMemory = memBean.getNonHeapMemoryUsage();

    NumberFormat nf = NumberFormat.getInstance();
    log.info("--------------- MEMORY USAGE ---------------");
    log.info("HEAP INIT MEMORY:       " + nf.format(heapMemory.getInit()) + " bytes");
    log.info("HEAP USED MEMORY:       " + nf.format(heapMemory.getUsed()) + " bytes");
    log.info("HEAP COMMITTED MEMORY:  " + nf.format(heapMemory.getCommitted()) + " bytes");
    log.info("HEAP MAX MEMORY:        " + nf.format(heapMemory.getMax()) + " bytes");
    log.info(" ");
    log.info("NON HEAP INIT MEMORY:       " + nf.format(nonHeapMemory.getInit()) + " bytes");
    log.info("NON HEAP USED MEMORY:       " + nf.format(nonHeapMemory.getUsed()) + " bytes");
    log.info("NON HEAP COMMITTED MEMORY:  " + nf.format(nonHeapMemory.getCommitted()) + " bytes");
    log.info("NON HEAP MAX MEMORY:        " + nf.format(nonHeapMemory.getMax()) + " bytes");
    log.info("--------------------------------------------");
}

From source file:ro.nextreports.server.web.debug.InfoUtil.java

public static List<Info> getGeneralJVMInfo() {
    List<Info> infos = new ArrayList<Info>();

    RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
    infos.add(new Info("uptime", "" + Duration.milliseconds(runtimeBean.getUptime()).toString()));
    infos.add(new Info("name", runtimeBean.getName()));
    infos.add(new Info("pid", runtimeBean.getName().split("@")[0]));

    OperatingSystemMXBean systemBean = ManagementFactory.getOperatingSystemMXBean();
    infos.add(new Info("os name", "" + systemBean.getName()));
    infos.add(new Info("os version", "" + systemBean.getVersion()));
    infos.add(new Info("system load average", "" + systemBean.getSystemLoadAverage()));
    infos.add(new Info("available processors", "" + systemBean.getAvailableProcessors()));

    ThreadMXBean threadBean = ManagementFactory.getThreadMXBean();
    infos.add(new Info("thread count", "" + threadBean.getThreadCount()));
    infos.add(new Info("peak thread count", "" + threadBean.getPeakThreadCount()));

    MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
    infos.add(new Info("heap memory used",
            FileUtils.byteCountToDisplaySize(memoryBean.getHeapMemoryUsage().getUsed())));
    infos.add(new Info("non-heap memory used",
            FileUtils.byteCountToDisplaySize(memoryBean.getNonHeapMemoryUsage().getUsed())));

    return infos;
}