1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
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8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 
26 package sun.management;
27 
28 import java.util.List;
29 import sun.management.counter.Counter;
30 /**
31  * An interface for the monitoring and management of the
32  * Java virtual machine.
33  */
34 public interface VMManagement {
35 
36     // Optional supports
isCompilationTimeMonitoringSupported()37     public boolean isCompilationTimeMonitoringSupported();
isThreadContentionMonitoringSupported()38     public boolean isThreadContentionMonitoringSupported();
isThreadContentionMonitoringEnabled()39     public boolean isThreadContentionMonitoringEnabled();
isCurrentThreadCpuTimeSupported()40     public boolean isCurrentThreadCpuTimeSupported();
isOtherThreadCpuTimeSupported()41     public boolean isOtherThreadCpuTimeSupported();
isThreadCpuTimeEnabled()42     public boolean isThreadCpuTimeEnabled();
isBootClassPathSupported()43     public boolean isBootClassPathSupported();
isObjectMonitorUsageSupported()44     public boolean isObjectMonitorUsageSupported();
isSynchronizerUsageSupported()45     public boolean isSynchronizerUsageSupported();
isThreadAllocatedMemorySupported()46     public boolean isThreadAllocatedMemorySupported();
isThreadAllocatedMemoryEnabled()47     public boolean isThreadAllocatedMemoryEnabled();
isGcNotificationSupported()48     public boolean isGcNotificationSupported();
isRemoteDiagnosticCommandsSupported()49     public boolean isRemoteDiagnosticCommandsSupported();
50 
51     // Class Loading Subsystem
getTotalClassCount()52     public long    getTotalClassCount();
getLoadedClassCount()53     public int     getLoadedClassCount();
getUnloadedClassCount()54     public long    getUnloadedClassCount();
getVerboseClass()55     public boolean getVerboseClass();
56 
57     // Memory Subsystem
getVerboseGC()58     public boolean getVerboseGC();
59 
60     // Runtime Subsystem
getManagementVersion()61     public String  getManagementVersion();
getVmId()62     public String  getVmId();
getVmName()63     public String  getVmName();
getVmVendor()64     public String  getVmVendor();
getVmVersion()65     public String  getVmVersion();
getVmSpecName()66     public String  getVmSpecName();
getVmSpecVendor()67     public String  getVmSpecVendor();
getVmSpecVersion()68     public String  getVmSpecVersion();
getClassPath()69     public String  getClassPath();
getLibraryPath()70     public String  getLibraryPath();
getBootClassPath()71     public String  getBootClassPath();
getVmArguments()72     public List<String> getVmArguments();
getStartupTime()73     public long    getStartupTime();
getUptime()74     public long    getUptime();
getAvailableProcessors()75     public int     getAvailableProcessors();
76 
77     // Compilation Subsystem
getCompilerName()78     public String  getCompilerName();
getTotalCompileTime()79     public long    getTotalCompileTime();
80 
81     // Thread Subsystem
getTotalThreadCount()82     public long    getTotalThreadCount();
getLiveThreadCount()83     public int     getLiveThreadCount();
getPeakThreadCount()84     public int     getPeakThreadCount();
getDaemonThreadCount()85     public int     getDaemonThreadCount();
86 
87     // Operating System
getOsName()88     public String  getOsName();
getOsArch()89     public String  getOsArch();
getOsVersion()90     public String  getOsVersion();
91 
92     // Hotspot-specific Runtime support
getSafepointCount()93     public long    getSafepointCount();
getTotalSafepointTime()94     public long    getTotalSafepointTime();
getSafepointSyncTime()95     public long    getSafepointSyncTime();
getTotalApplicationNonStoppedTime()96     public long    getTotalApplicationNonStoppedTime();
97 
getLoadedClassSize()98     public long    getLoadedClassSize();
getUnloadedClassSize()99     public long    getUnloadedClassSize();
getClassLoadingTime()100     public long    getClassLoadingTime();
getMethodDataSize()101     public long    getMethodDataSize();
getInitializedClassCount()102     public long    getInitializedClassCount();
getClassInitializationTime()103     public long    getClassInitializationTime();
getClassVerificationTime()104     public long    getClassVerificationTime();
105 
106     // Performance counter support
getInternalCounters(String pattern)107     public List<Counter>   getInternalCounters(String pattern);
108 }
109