author | herrick |
Wed, 27 Mar 2019 08:27:58 -0400 | |
branch | JDK-8200758-branch |
changeset 57288 | 0be43184f52a |
parent 48320 | 8e561c68f72a |
child 58208 | 0f3c23c374a4 |
child 58678 | 9cf78a70fa4f |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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* Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#ifndef _JAVA_JMM_H_ |
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#define _JAVA_JMM_H_ |
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/* |
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* This is a private interface used by JDK for JVM monitoring |
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* and management. |
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* |
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* Bump the version number when either of the following happens: |
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* |
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* 1. There is a change in functions in JmmInterface. |
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* |
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* 2. There is a change in the contract between VM and Java classes. |
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*/ |
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#include "jni.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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enum { |
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JMM_VERSION_1 = 0x20010000, |
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JMM_VERSION_1_0 = 0x20010000, |
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JMM_VERSION_1_1 = 0x20010100, // JDK 6 |
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JMM_VERSION_1_2 = 0x20010200, // JDK 7 |
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JMM_VERSION_1_2_1 = 0x20010201, // JDK 7 GA |
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JMM_VERSION_1_2_2 = 0x20010202, |
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JMM_VERSION_2 = 0x20020000, // JDK 10 |
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JMM_VERSION = 0x20020000 |
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}; |
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typedef struct { |
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unsigned int isLowMemoryDetectionSupported : 1; |
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unsigned int isCompilationTimeMonitoringSupported : 1; |
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unsigned int isThreadContentionMonitoringSupported : 1; |
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unsigned int isCurrentThreadCpuTimeSupported : 1; |
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unsigned int isOtherThreadCpuTimeSupported : 1; |
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unsigned int isObjectMonitorUsageSupported : 1; |
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unsigned int isSynchronizerUsageSupported : 1; |
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unsigned int isThreadAllocatedMemorySupported : 1; |
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unsigned int isRemoteDiagnosticCommandsSupported : 1; |
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unsigned int : 22; |
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} jmmOptionalSupport; |
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typedef enum { |
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JMM_CLASS_LOADED_COUNT = 1, /* Total number of loaded classes */ |
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JMM_CLASS_UNLOADED_COUNT = 2, /* Total number of unloaded classes */ |
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JMM_THREAD_TOTAL_COUNT = 3, /* Total number of threads that have been started */ |
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JMM_THREAD_LIVE_COUNT = 4, /* Current number of live threads */ |
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JMM_THREAD_PEAK_COUNT = 5, /* Peak number of live threads */ |
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JMM_THREAD_DAEMON_COUNT = 6, /* Current number of daemon threads */ |
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JMM_JVM_INIT_DONE_TIME_MS = 7, /* Time when the JVM finished initialization */ |
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JMM_COMPILE_TOTAL_TIME_MS = 8, /* Total accumulated time spent in compilation */ |
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JMM_GC_TIME_MS = 9, /* Total accumulated time spent in collection */ |
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JMM_GC_COUNT = 10, /* Total number of collections */ |
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JMM_JVM_UPTIME_MS = 11, /* The JVM uptime in milliseconds */ |
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JMM_INTERNAL_ATTRIBUTE_INDEX = 100, |
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JMM_CLASS_LOADED_BYTES = 101, /* Number of bytes loaded instance classes */ |
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JMM_CLASS_UNLOADED_BYTES = 102, /* Number of bytes unloaded instance classes */ |
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JMM_TOTAL_CLASSLOAD_TIME_MS = 103, /* Accumulated VM class loader time (TraceClassLoadingTime) */ |
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JMM_VM_GLOBAL_COUNT = 104, /* Number of VM internal flags */ |
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JMM_SAFEPOINT_COUNT = 105, /* Total number of safepoints */ |
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JMM_TOTAL_SAFEPOINTSYNC_TIME_MS = 106, /* Accumulated time spent getting to safepoints */ |
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JMM_TOTAL_STOPPED_TIME_MS = 107, /* Accumulated time spent at safepoints */ |
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JMM_TOTAL_APP_TIME_MS = 108, /* Accumulated time spent in Java application */ |
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JMM_VM_THREAD_COUNT = 109, /* Current number of VM internal threads */ |
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JMM_CLASS_INIT_TOTAL_COUNT = 110, /* Number of classes for which initializers were run */ |
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JMM_CLASS_INIT_TOTAL_TIME_MS = 111, /* Accumulated time spent in class initializers */ |
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JMM_METHOD_DATA_SIZE_BYTES = 112, /* Size of method data in memory */ |
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JMM_CLASS_VERIFY_TOTAL_TIME_MS = 113, /* Accumulated time spent in class verifier */ |
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JMM_SHARED_CLASS_LOADED_COUNT = 114, /* Number of shared classes loaded */ |
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JMM_SHARED_CLASS_UNLOADED_COUNT = 115, /* Number of shared classes unloaded */ |
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JMM_SHARED_CLASS_LOADED_BYTES = 116, /* Number of bytes loaded shared classes */ |
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JMM_SHARED_CLASS_UNLOADED_BYTES = 117, /* Number of bytes unloaded shared classes */ |
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JMM_OS_ATTRIBUTE_INDEX = 200, |
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JMM_OS_PROCESS_ID = 201, /* Process id of the JVM */ |
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JMM_OS_MEM_TOTAL_PHYSICAL_BYTES = 202, /* Physical memory size */ |
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JMM_GC_EXT_ATTRIBUTE_INFO_SIZE = 401 /* the size of the GC specific attributes for a given GC memory manager */ |
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} jmmLongAttribute; |
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typedef enum { |
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JMM_VERBOSE_GC = 21, |
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JMM_VERBOSE_CLASS = 22, |
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JMM_THREAD_CONTENTION_MONITORING = 23, |
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JMM_THREAD_CPU_TIME = 24, |
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JMM_THREAD_ALLOCATED_MEMORY = 25 |
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} jmmBoolAttribute; |
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enum { |
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JMM_THREAD_STATE_FLAG_SUSPENDED = 0x00100000, |
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JMM_THREAD_STATE_FLAG_NATIVE = 0x00400000 |
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}; |
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#define JMM_THREAD_STATE_FLAG_MASK 0xFFF00000 |
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typedef enum { |
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JMM_STAT_PEAK_THREAD_COUNT = 801, |
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JMM_STAT_THREAD_CONTENTION_COUNT = 802, |
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JMM_STAT_THREAD_CONTENTION_TIME = 803, |
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JMM_STAT_THREAD_CONTENTION_STAT = 804, |
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JMM_STAT_PEAK_POOL_USAGE = 805, |
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JMM_STAT_GC_STAT = 806 |
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} jmmStatisticType; |
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typedef enum { |
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JMM_USAGE_THRESHOLD_HIGH = 901, |
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JMM_USAGE_THRESHOLD_LOW = 902, |
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JMM_COLLECTION_USAGE_THRESHOLD_HIGH = 903, |
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JMM_COLLECTION_USAGE_THRESHOLD_LOW = 904 |
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} jmmThresholdType; |
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/* Should match what is allowed in globals.hpp */ |
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typedef enum { |
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JMM_VMGLOBAL_TYPE_UNKNOWN = 0, |
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JMM_VMGLOBAL_TYPE_JBOOLEAN = 1, |
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JMM_VMGLOBAL_TYPE_JSTRING = 2, |
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JMM_VMGLOBAL_TYPE_JLONG = 3, |
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JMM_VMGLOBAL_TYPE_JDOUBLE = 4 |
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} jmmVMGlobalType; |
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typedef enum { |
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JMM_VMGLOBAL_ORIGIN_DEFAULT = 1, /* Default value */ |
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JMM_VMGLOBAL_ORIGIN_COMMAND_LINE = 2, /* Set at command line (or JNI invocation) */ |
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JMM_VMGLOBAL_ORIGIN_MANAGEMENT = 3, /* Set via management interface */ |
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JMM_VMGLOBAL_ORIGIN_ENVIRON_VAR = 4, /* Set via environment variables */ |
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JMM_VMGLOBAL_ORIGIN_CONFIG_FILE = 5, /* Set via config file (such as .hotspotrc) */ |
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JMM_VMGLOBAL_ORIGIN_ERGONOMIC = 6, /* Set via ergonomic */ |
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JMM_VMGLOBAL_ORIGIN_ATTACH_ON_DEMAND = 7, /* Set via attach */ |
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JMM_VMGLOBAL_ORIGIN_OTHER = 99 /* Set via some other mechanism */ |
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} jmmVMGlobalOrigin; |
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typedef struct { |
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jstring name; |
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jvalue value; |
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jmmVMGlobalType type; /* Data type */ |
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jmmVMGlobalOrigin origin; /* Default or non-default value */ |
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unsigned int writeable : 1; /* dynamically writeable */ |
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unsigned int external : 1; /* external supported interface */ |
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unsigned int reserved : 30; |
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void *reserved1; |
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void *reserved2; |
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} jmmVMGlobal; |
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typedef struct { |
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const char* name; |
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char type; |
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const char* description; |
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} jmmExtAttributeInfo; |
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/* Caller has to set the following fields before calling GetLastGCStat |
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* o usage_before_gc - array of MemoryUsage objects |
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* o usage_after_gc - array of MemoryUsage objects |
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* o gc_ext_attribute_values_size - size of gc_ext_atttribute_values array |
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* o gc_ext_attribtue_values - array of jvalues |
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*/ |
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typedef struct { |
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jlong gc_index; /* Index of the collections */ |
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jlong start_time; /* Start time of the GC */ |
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jlong end_time; /* End time of the GC */ |
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189 |
jobjectArray usage_before_gc; /* Memory usage array before GC */ |
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jobjectArray usage_after_gc; /* Memory usage array after GC */ |
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jint gc_ext_attribute_values_size; /* set by the caller of GetGCStat */ |
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jvalue* gc_ext_attribute_values; /* Array of jvalue for GC extension attributes */ |
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jint num_gc_ext_attributes; /* number of GC extension attribute values s are filled */ |
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/* -1 indicates gc_ext_attribute_values is not big enough */ |
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} jmmGCStat; |
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typedef struct { |
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const char* name; /* Name of the diagnostic command */ |
199 |
const char* description; /* Short description */ |
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200 |
const char* impact; /* Impact on the JVM */ |
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201 |
const char* permission_class; /* Class name of the required permission if any */ |
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202 |
const char* permission_name; /* Permission name of the required permission if any */ |
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203 |
const char* permission_action; /* Action name of the required permission if any*/ |
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204 |
int num_arguments; /* Number of supported options or arguments */ |
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205 |
jboolean enabled; /* True if the diagnostic command can be invoked, false otherwise*/ |
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} dcmdInfo; |
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typedef struct { |
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const char* name; /* Option/Argument name*/ |
210 |
const char* description; /* Short description */ |
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211 |
const char* type; /* Type: STRING, BOOLEAN, etc. */ |
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212 |
const char* default_string; /* Default value in a parsable string */ |
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213 |
jboolean mandatory; /* True if the option/argument is mandatory */ |
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jboolean option; /* True if it is an option, false if it is an argument */ |
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/* (see diagnosticFramework.hpp for option/argument definitions) */ |
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jboolean multiple; /* True is the option can be specified several time */ |
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int position; /* Expected position for this argument (this field is */ |
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/* meaningless for options) */ |
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} dcmdArgInfo; |
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typedef struct jmmInterface_1_ { |
222 |
void* reserved1; |
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void* reserved2; |
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jint (JNICALL *GetVersion) (JNIEnv *env); |
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226 |
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227 |
jint (JNICALL *GetOptionalSupport) (JNIEnv *env, |
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jmmOptionalSupport* support_ptr); |
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229 |
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jint (JNICALL *GetThreadInfo) (JNIEnv *env, |
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jlongArray ids, |
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jint maxDepth, |
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jobjectArray infoArray); |
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jobjectArray (JNICALL *GetMemoryPools) (JNIEnv* env, jobject mgr); |
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jobjectArray (JNICALL *GetMemoryManagers) (JNIEnv* env, jobject pool); |
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238 |
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jobject (JNICALL *GetMemoryPoolUsage) (JNIEnv* env, jobject pool); |
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jobject (JNICALL *GetPeakMemoryPoolUsage) (JNIEnv* env, jobject pool); |
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void (JNICALL *GetThreadAllocatedMemory) |
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(JNIEnv *env, |
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jlongArray ids, |
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jlongArray sizeArray); |
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jobject (JNICALL *GetMemoryUsage) (JNIEnv* env, jboolean heap); |
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248 |
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249 |
jlong (JNICALL *GetLongAttribute) (JNIEnv *env, jobject obj, jmmLongAttribute att); |
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250 |
jboolean (JNICALL *GetBoolAttribute) (JNIEnv *env, jmmBoolAttribute att); |
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jboolean (JNICALL *SetBoolAttribute) (JNIEnv *env, jmmBoolAttribute att, jboolean flag); |
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252 |
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253 |
jint (JNICALL *GetLongAttributes) (JNIEnv *env, |
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jobject obj, |
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255 |
jmmLongAttribute* atts, |
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256 |
jint count, |
|
257 |
jlong* result); |
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jobjectArray (JNICALL *FindCircularBlockedThreads) (JNIEnv *env); |
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// Not used in JDK 6 or JDK 7 |
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jlong (JNICALL *GetThreadCpuTime) (JNIEnv *env, jlong thread_id); |
263 |
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264 |
jobjectArray (JNICALL *GetVMGlobalNames) (JNIEnv *env); |
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265 |
jint (JNICALL *GetVMGlobals) (JNIEnv *env, |
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266 |
jobjectArray names, |
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267 |
jmmVMGlobal *globals, |
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268 |
jint count); |
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269 |
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270 |
jint (JNICALL *GetInternalThreadTimes) (JNIEnv *env, |
|
271 |
jobjectArray names, |
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272 |
jlongArray times); |
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273 |
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274 |
jboolean (JNICALL *ResetStatistic) (JNIEnv *env, |
|
275 |
jvalue obj, |
|
276 |
jmmStatisticType type); |
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277 |
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278 |
void (JNICALL *SetPoolSensor) (JNIEnv *env, |
|
279 |
jobject pool, |
|
280 |
jmmThresholdType type, |
|
281 |
jobject sensor); |
|
282 |
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283 |
jlong (JNICALL *SetPoolThreshold) (JNIEnv *env, |
|
284 |
jobject pool, |
|
285 |
jmmThresholdType type, |
|
286 |
jlong threshold); |
|
287 |
jobject (JNICALL *GetPoolCollectionUsage) (JNIEnv* env, jobject pool); |
|
288 |
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289 |
jint (JNICALL *GetGCExtAttributeInfo) (JNIEnv *env, |
|
290 |
jobject mgr, |
|
291 |
jmmExtAttributeInfo *ext_info, |
|
292 |
jint count); |
|
293 |
void (JNICALL *GetLastGCStat) (JNIEnv *env, |
|
294 |
jobject mgr, |
|
295 |
jmmGCStat *gc_stat); |
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jlong (JNICALL *GetThreadCpuTimeWithKind) |
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(JNIEnv *env, |
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jlong thread_id, |
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jboolean user_sys_cpu_time); |
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void (JNICALL *GetThreadCpuTimesWithKind) |
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(JNIEnv *env, |
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jlongArray ids, |
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jlongArray timeArray, |
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jboolean user_sys_cpu_time); |
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2 | 307 |
jint (JNICALL *DumpHeap0) (JNIEnv *env, |
308 |
jstring outputfile, |
|
309 |
jboolean live); |
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jobjectArray (JNICALL *FindDeadlocks) (JNIEnv *env, |
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jboolean object_monitors_only); |
2 | 312 |
void (JNICALL *SetVMGlobal) (JNIEnv *env, |
313 |
jstring flag_name, |
|
314 |
jvalue new_value); |
|
315 |
void* reserved6; |
|
316 |
jobjectArray (JNICALL *DumpThreads) (JNIEnv *env, |
|
317 |
jlongArray ids, |
|
318 |
jboolean lockedMonitors, |
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8185003: JMX: Add a version of ThreadMXBean.dumpAllThreads with a maxDepth argument
uvangapally
parents:
47216
diff
changeset
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319 |
jboolean lockedSynchronizers, |
68d46cb9be45
8185003: JMX: Add a version of ThreadMXBean.dumpAllThreads with a maxDepth argument
uvangapally
parents:
47216
diff
changeset
|
320 |
jint maxDepth); |
11365 | 321 |
void (JNICALL *SetGCNotificationEnabled) (JNIEnv *env, |
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jobject mgr, |
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jboolean enabled); |
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jobjectArray (JNICALL *GetDiagnosticCommands) (JNIEnv *env); |
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void (JNICALL *GetDiagnosticCommandInfo) |
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(JNIEnv *env, |
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jobjectArray cmds, |
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dcmdInfo *infoArray); |
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void (JNICALL *GetDiagnosticCommandArgumentsInfo) |
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(JNIEnv *env, |
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jstring commandName, |
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dcmdArgInfo *infoArray); |
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jstring (JNICALL *ExecuteDiagnosticCommand) |
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(JNIEnv *env, |
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jstring command); |
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void (JNICALL *SetDiagnosticFrameworkNotificationEnabled) |
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(JNIEnv *env, |
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jboolean enabled); |
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} JmmInterface; |
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#ifdef __cplusplus |
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} /* extern "C" */ |
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#endif /* __cplusplus */ |
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#endif /* !_JAVA_JMM_H_ */ |