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JDK 11 java.management.jmod - Management Module
JDK 11 java.management.jmod is the JMOD file for JDK 11 Management module.
JDK 11 Management module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.management.jmod.
JDK 11 Management module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.
JDK 11 Management module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.management.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ sun/management/VMManagementImpl.java
/* * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package sun.management; import jdk.internal.perf.Perf; import sun.management.counter.*; import sun.management.counter.perf.*; import java.nio.ByteBuffer; import java.io.IOException; import java.net.InetAddress; import java.net.UnknownHostException; import java.util.List; import java.util.Arrays; import java.util.Collections; import java.security.AccessController; import java.security.PrivilegedAction; /** * Implementation of VMManagement interface that accesses the management * attributes and operations locally within the same Java virtual * machine. */ class VMManagementImpl implements VMManagement { private static String version; private static boolean compTimeMonitoringSupport; private static boolean threadContentionMonitoringSupport; private static boolean currentThreadCpuTimeSupport; private static boolean otherThreadCpuTimeSupport; private static boolean objectMonitorUsageSupport; private static boolean synchronizerUsageSupport; private static boolean threadAllocatedMemorySupport; private static boolean gcNotificationSupport; private static boolean remoteDiagnosticCommandsSupport; static { version = getVersion0(); if (version == null) { throw new AssertionError("Invalid Management Version"); } initOptionalSupportFields(); } private native static String getVersion0(); private native static void initOptionalSupportFields(); // Optional supports public boolean isCompilationTimeMonitoringSupported() { return compTimeMonitoringSupport; } public boolean isThreadContentionMonitoringSupported() { return threadContentionMonitoringSupport; } public boolean isCurrentThreadCpuTimeSupported() { return currentThreadCpuTimeSupport; } public boolean isOtherThreadCpuTimeSupported() { return otherThreadCpuTimeSupport; } public boolean isBootClassPathSupported() { return false; } public boolean isObjectMonitorUsageSupported() { return objectMonitorUsageSupport; } public boolean isSynchronizerUsageSupported() { return synchronizerUsageSupport; } public boolean isThreadAllocatedMemorySupported() { return threadAllocatedMemorySupport; } public boolean isGcNotificationSupported() { boolean isSupported = true; try { Class.forName("com.sun.management.GarbageCollectorMXBean"); } catch (ClassNotFoundException x) { isSupported = false; } return isSupported; } public boolean isRemoteDiagnosticCommandsSupported() { return remoteDiagnosticCommandsSupport; } public native boolean isThreadContentionMonitoringEnabled(); public native boolean isThreadCpuTimeEnabled(); public native boolean isThreadAllocatedMemoryEnabled(); // Class Loading Subsystem public int getLoadedClassCount() { long count = getTotalClassCount() - getUnloadedClassCount(); return (int) count; } public native long getTotalClassCount(); public native long getUnloadedClassCount(); public native boolean getVerboseClass(); // Memory Subsystem public native boolean getVerboseGC(); // Runtime Subsystem public String getManagementVersion() { return version; } public String getVmId() { int pid = getProcessId(); String hostname = "localhost"; try { hostname = InetAddress.getLocalHost().getHostName(); } catch (UnknownHostException e) { // ignore } return pid + "@" + hostname; } private native int getProcessId(); public String getVmName() { return System.getProperty("java.vm.name"); } public String getVmVendor() { return System.getProperty("java.vm.vendor"); } public String getVmVersion() { return System.getProperty("java.vm.version"); } public String getVmSpecName() { return System.getProperty("java.vm.specification.name"); } public String getVmSpecVendor() { return System.getProperty("java.vm.specification.vendor"); } public String getVmSpecVersion() { return System.getProperty("java.vm.specification.version"); } public String getClassPath() { return System.getProperty("java.class.path"); } public String getLibraryPath() { return System.getProperty("java.library.path"); } public String getBootClassPath( ) { throw new UnsupportedOperationException( "Boot class path mechanism is not supported"); } public long getUptime() { return getUptime0(); } private List<String> vmArgs = null; public synchronized List<String> getVmArguments() { if (vmArgs == null) { String[] args = getVmArguments0(); List<String> l = ((args != null && args.length != 0) ? Arrays.asList(args) : Collections.<String>emptyList()); vmArgs = Collections.unmodifiableList(l); } return vmArgs; } public native String[] getVmArguments0(); public native long getStartupTime(); private native long getUptime0(); public native int getAvailableProcessors(); // Compilation Subsystem public String getCompilerName() { String name = AccessController.doPrivileged( new PrivilegedAction<String>() { public String run() { return System.getProperty("sun.management.compiler"); } }); return name; } public native long getTotalCompileTime(); // Thread Subsystem public native long getTotalThreadCount(); public native int getLiveThreadCount(); public native int getPeakThreadCount(); public native int getDaemonThreadCount(); // Operating System public String getOsName() { return System.getProperty("os.name"); } public String getOsArch() { return System.getProperty("os.arch"); } public String getOsVersion() { return System.getProperty("os.version"); } // Hotspot-specific runtime support public native long getSafepointCount(); public native long getTotalSafepointTime(); public native long getSafepointSyncTime(); public native long getTotalApplicationNonStoppedTime(); public native long getLoadedClassSize(); public native long getUnloadedClassSize(); public native long getClassLoadingTime(); public native long getMethodDataSize(); public native long getInitializedClassCount(); public native long getClassInitializationTime(); public native long getClassVerificationTime(); // Performance Counter Support private PerfInstrumentation perfInstr = null; private boolean noPerfData = false; private synchronized PerfInstrumentation getPerfInstrumentation() { if (noPerfData || perfInstr != null) { return perfInstr; } // construct PerfInstrumentation object Perf perf = AccessController.doPrivileged(new Perf.GetPerfAction()); try { ByteBuffer bb = perf.attach(0, "r"); if (bb.capacity() == 0) { noPerfData = true; return null; } perfInstr = new PerfInstrumentation(bb); } catch (IllegalArgumentException e) { // If the shared memory doesn't exist e.g. if -XX:-UsePerfData // was set noPerfData = true; } catch (IOException e) { throw new AssertionError(e); } return perfInstr; } public List<Counter> getInternalCounters(String pattern) { PerfInstrumentation perf = getPerfInstrumentation(); if (perf != null) { return perf.findByPattern(pattern); } else { return Collections.emptyList(); } } }
⏎ sun/management/VMManagementImpl.java
Or download all of them as a single archive file:
File name: java.management-11.0.1-src.zip File size: 828174 bytes Release date: 2018-11-04 Download
⇒ JDK 11 java.management.rmi.jmod - Management RMI Module
2020-04-30, 99063👍, 0💬
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