1 /*
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
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
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
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
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
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
37 public boolean isCompilationTimeMonitoringSupported();
38 public boolean isThreadContentionMonitoringSupported();
39 public boolean isThreadContentionMonitoringEnabled();
40 public boolean isCurrentThreadCpuTimeSupported();
41 public boolean isOtherThreadCpuTimeSupported();
42 public boolean isThreadCpuTimeEnabled();
43 public boolean isBootClassPathSupported();
44 public boolean isObjectMonitorUsageSupported();
45 public boolean isSynchronizerUsageSupported();
46 public boolean isThreadAllocatedMemorySupported();
47 public boolean isThreadAllocatedMemoryEnabled();
48 public boolean isGcNotificationSupported();
49 public boolean isRemoteDiagnosticCommandsSupported();
50
51 // Class Loading Subsystem
52 public long getTotalClassCount();
53 public int getLoadedClassCount();
54 public long getUnloadedClassCount();
55 public boolean getVerboseClass();
56
57 // Memory Subsystem
58 public boolean getVerboseGC();
59
60 // Runtime Subsystem
61 public String getManagementVersion();
62 public String getVmId();
63 public String getVmName();
64 public String getVmVendor();
65 public String getVmVersion();
66 public String getVmSpecName();
67 public String getVmSpecVendor();
68 public String getVmSpecVersion();
69 public String getClassPath();
70 public String getLibraryPath();
71 public String getBootClassPath();
72 public List<String> getVmArguments();
73 public long getStartupTime();
74 public long getUptime();
75 public int getAvailableProcessors();
76
77 // Compilation Subsystem
78 public String getCompilerName();
79 public long getTotalCompileTime();
80
81 // Thread Subsystem
82 public long getTotalThreadCount();
83 public int getLiveThreadCount();
84 public int getPeakThreadCount();
85 public int getDaemonThreadCount();
86
87 // Operating System
88 public String getOsName();
89 public String getOsArch();
90 public String getOsVersion();
91
92 // Hotspot-specific Runtime support
93 public long getSafepointCount();
94 public long getTotalSafepointTime();
95 public long getSafepointSyncTime();
96 public long getTotalApplicationNonStoppedTime();
97
98 public long getLoadedClassSize();
99 public long getUnloadedClassSize();
100 public long getClassLoadingTime();
101 public long getMethodDataSize();
102 public long getInitializedClassCount();
103 public long getClassInitializationTime();
104 public long getClassVerificationTime();
105
106 // Performance counter support
107 public List<Counter> getInternalCounters(String pattern);
108 }