/*
* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package sun.management;
import java.util.List;
import sun.management.counter.Counter;
/**
* An interface for the monitoring and management of the
* Java virtual machine.
*/
public interface VMManagement {
// Optional supports
public boolean isCompilationTimeMonitoringSupported();
public boolean isThreadContentionMonitoringSupported();
public boolean isThreadContentionMonitoringEnabled();
public boolean isCurrentThreadCpuTimeSupported();
public boolean isOtherThreadCpuTimeSupported();
public boolean isThreadCpuTimeEnabled();
public boolean isBootClassPathSupported();
public boolean isObjectMonitorUsageSupported();
public boolean isSynchronizerUsageSupported();
public boolean isThreadAllocatedMemorySupported();
public boolean isThreadAllocatedMemoryEnabled();
public boolean isGcNotificationSupported();
// Class Loading Subsystem
public long getTotalClassCount();
public int getLoadedClassCount();
public long getUnloadedClassCount();
public boolean getVerboseClass();
// Memory Subsystem
public boolean getVerboseGC();
// Runtime Subsystem
public String getManagementVersion();
public String getVmId();
public String getVmName();
public String getVmVendor();
public String getVmVersion();
public String getVmSpecName();
public String getVmSpecVendor();
public String getVmSpecVersion();
public String getClassPath();
public String getLibraryPath();
public String getBootClassPath();
public List<String> getVmArguments();
public long getStartupTime();
public int getAvailableProcessors();
// Compilation Subsystem
public String getCompilerName();
public long getTotalCompileTime();
// Thread Subsystem
public long getTotalThreadCount();
public int getLiveThreadCount();
public int getPeakThreadCount();
public int getDaemonThreadCount();
// Operating System
public String getOsName();
public String getOsArch();
public String getOsVersion();
// Hotspot-specific Runtime support
public long getSafepointCount();
public long getTotalSafepointTime();
public long getSafepointSyncTime();
public long getTotalApplicationNonStoppedTime();
public long getLoadedClassSize();
public long getUnloadedClassSize();
public long getClassLoadingTime();
public long getMethodDataSize();
public long getInitializedClassCount();
public long getClassInitializationTime();
public long getClassVerificationTime();
// Performance counter support
public List<Counter> getInternalCounters(String pattern);
}