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

Example 1 with CompilationMXBean

use of java.lang.management.CompilationMXBean in project karaf by apache.

the class EnvironmentDumpProvider method dumpVMInformation.

private void dumpVMInformation(final PrintWriter outPW, final DateFormat dateTimeFormatInstance) {
    final RuntimeMXBean mxBean = ManagementFactory.getRuntimeMXBean();
    if (mxBean == null) {
        return;
    }
    outPW.printf(KEY_VALUE_FORMAT, "Instance name", mxBean.getName()).println();
    outPW.printf(KEY_VALUE_FORMAT, "Start time", dateTimeFormatInstance.format(new Date(mxBean.getStartTime()))).println();
    outPW.printf(KEY_VALUE_FORMAT, "Uptime", printDuration(mxBean.getUptime())).println();
    outPW.println();
    outPW.printf(KEY_VALUE_FORMAT, "Java VM", mxBean.getVmName() + " " + mxBean.getVmVersion()).println();
    outPW.printf(INDENT_KEY_VALUE_FORMAT, "vendor", mxBean.getVmVendor()).println();
    outPW.printf(INDENT_KEY_VALUE_FORMAT, "version", System.getProperty("java.version")).println();
    outPW.println();
    outPW.println("Input arguments:");
    final List<String> inputArguments = mxBean.getInputArguments();
    for (final String argument : inputArguments) {
        if (argument != null && argument.contains("=")) {
            final String[] split = argument.split("=");
            outPW.printf(INDENT_KEY_VALUE_FORMAT, split[0], split[1]).println();
        } else {
            outPW.printf(INDENT_KEY_VALUE_FORMAT, argument, "").println();
        }
    }
    outPW.println("Classpath:");
    outPW.printf(INDENT_KEY_VALUE_FORMAT, "boot classpath", mxBean.getBootClassPath()).println();
    outPW.printf(INDENT_KEY_VALUE_FORMAT, "library path", mxBean.getLibraryPath()).println();
    outPW.printf(INDENT_KEY_VALUE_FORMAT, "classpath", mxBean.getClassPath()).println();
    outPW.println("System properties:");
    final Map<String, String> systemProperties = mxBean.getSystemProperties();
    for (final Entry<String, String> property : systemProperties.entrySet()) {
        outPW.printf(INDENT_KEY_VALUE_FORMAT, property.getKey(), property.getValue()).println();
    }
    outPW.println();
    // JIT information
    final CompilationMXBean compilationMXBean = ManagementFactory.getCompilationMXBean();
    if (compilationMXBean != null) {
        outPW.printf(KEY_VALUE_FORMAT, "JIT compiler", compilationMXBean.getName()).println();
        outPW.printf(INDENT_KEY_VALUE_FORMAT, "total compile time", printDuration(compilationMXBean.getTotalCompilationTime())).println();
    }
}

Example 2 with CompilationMXBean

use of java.lang.management.CompilationMXBean in project incubator-systemml by apache.

the class Statistics method getJITCompileTime.

/**
 * Returns the total time of asynchronous JIT compilation in milliseconds.
 *
 * @return JIT compile time
 */
public static long getJITCompileTime() {
    // unsupported
    long ret = -1;
    CompilationMXBean cmx = ManagementFactory.getCompilationMXBean();
    if (cmx.isCompilationTimeMonitoringSupported()) {
        ret = cmx.getTotalCompilationTime();
        // add from remote processes
        ret += jitCompileTime;
    }
    return ret;
}

Example 3 with CompilationMXBean

use of java.lang.management.CompilationMXBean in project systemml by apache.

the class Statistics method getJITCompileTime.

/**
 * Returns the total time of asynchronous JIT compilation in milliseconds.
 *
 * @return JIT compile time
 */
public static long getJITCompileTime() {
    // unsupported
    long ret = -1;
    CompilationMXBean cmx = ManagementFactory.getCompilationMXBean();
    if (cmx.isCompilationTimeMonitoringSupported()) {
        ret = cmx.getTotalCompilationTime();
        // add from remote processes
        ret += jitCompileTime;
    }
    return ret;
}

Example 4 with CompilationMXBean

use of java.lang.management.CompilationMXBean in project closure-compiler by google.

the class JvmMetrics method writeJitMetrics.

private static void writeJitMetrics(PrintStream out, boolean verbose, boolean pretty) {
    CompilationMXBean cBean = ManagementFactory.getCompilationMXBean();
    String name;
    if (verbose) {
        name = cBean.getName();
    } else {
        name = "total";
    }
    if (pretty) {
        out.println("\nJIT Stats");
        out.printf("\t%s jit time: %d ms%n", name, cBean.getTotalCompilationTime());
    } else {
        out.println(normalizeTabularColonPos(String.format("%s-jit-time-ms : %d", normalizeName(name), cBean.getTotalCompilationTime())));
    }
}

Example 5 with CompilationMXBean

use of java.lang.management.CompilationMXBean in project openj9 by eclipse.

the class TestManagementFactory method testGetCompilationMXBean.

// Need to be able to determine if there is a JIT compiler running in
// this VM. That way I can write a sensible test case for this kind
// of bean that may or may not exist at runtime.
@Test
public final void testGetCompilationMXBean() {
    CompilationMXBean cb = ManagementFactory.getCompilationMXBean();
    if (cb != null) {
        String name = cb.getName();
        AssertJUnit.assertNotNull(name);
        AssertJUnit.assertTrue(name.length() > 0);
        if (cb.isCompilationTimeMonitoringSupported()) {
            AssertJUnit.assertTrue(cb.getTotalCompilationTime() > -1);
        } else {
            try {
                cb.getTotalCompilationTime();
                Assert.fail("Should have thrown exception.");
            } catch (UnsupportedOperationException e) {
                logger.debug("UnsupportedOperationException occurred, as expected: " + e.getMessage());
            }
        }
    // end else
    }
// end if
}