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src/share/vm/services/jmm.h@69ad7823b1ca (annotated)

src/share/vm/services/jmm.h

Mon, 05 Nov 2012 15:30:22 -0500

author

zgu

date

Mon, 05 Nov 2012 15:30:22 -0500

changeset 4248

69ad7823b1ca

parent 3329

3b688d6ff3d0

child 5047

31a4e55f8c9d

permissions

-rw-r--r--

8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
Summary: NMT should allow overlapping committed regions as long as they belong to the same reserved region
Reviewed-by: dholmes, coleenp

duke@435	1	/*
phh@2423	2	* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
trims@1907	7	* published by the Free Software Foundation. Oracle designates this
duke@435	8	* particular file as subject to the "Classpath" exception as provided
trims@1907	9	* by Oracle in the LICENSE file that accompanied this code.
duke@435	10	*
duke@435	11	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	14	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	15	* accompanied this code).
duke@435	16	*
duke@435	17	* You should have received a copy of the GNU General Public License version
duke@435	18	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	20	*
trims@1907	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	22	* or visit www.oracle.com if you need additional information or have any
trims@1907	23	* questions.
duke@435	24	*/
duke@435	25
duke@435	26	#ifndef _JAVA_JMM_H_
duke@435	27	#define _JAVA_JMM_H_
duke@435	28
duke@435	29	/*
duke@435	30	* This is a private interface used by JDK for JVM monitoring
duke@435	31	* and management.
duke@435	32	*
duke@435	33	* Bump the version number when either of the following happens:
duke@435	34	*
duke@435	35	* 1. There is a change in functions in JmmInterface.
duke@435	36	*
duke@435	37	* 2. There is a change in the contract between VM and Java classes.
duke@435	38	*/
duke@435	39
duke@435	40	#include "jni.h"
duke@435	41
duke@435	42	#ifdef __cplusplus
duke@435	43	extern "C" {
duke@435	44	#endif
duke@435	45
duke@435	46	enum {
duke@435	47	JMM_VERSION_1 = 0x20010000,
duke@435	48	JMM_VERSION_1_0 = 0x20010000,
duke@435	49	JMM_VERSION_1_1 = 0x20010100, // JDK 6
duke@435	50	JMM_VERSION_1_2 = 0x20010200, // JDK 7
fparain@3329	51	JMM_VERSION_1_2_1 = 0x20010201, // JDK 7 GA
fparain@3329	52	JMM_VERSION = 0x20010202
duke@435	53	};
duke@435	54
duke@435	55	typedef struct {
duke@435	56	unsigned int isLowMemoryDetectionSupported : 1;
duke@435	57	unsigned int isCompilationTimeMonitoringSupported : 1;
duke@435	58	unsigned int isThreadContentionMonitoringSupported : 1;
duke@435	59	unsigned int isCurrentThreadCpuTimeSupported : 1;
duke@435	60	unsigned int isOtherThreadCpuTimeSupported : 1;
duke@435	61	unsigned int isBootClassPathSupported : 1;
duke@435	62	unsigned int isObjectMonitorUsageSupported : 1;
duke@435	63	unsigned int isSynchronizerUsageSupported : 1;
phh@2423	64	unsigned int isThreadAllocatedMemorySupported : 1;
phh@2423	65	unsigned int : 23;
duke@435	66	} jmmOptionalSupport;
duke@435	67
duke@435	68	typedef enum {
duke@435	69	JMM_CLASS_LOADED_COUNT = 1, /* Total number of loaded classes */
duke@435	70	JMM_CLASS_UNLOADED_COUNT = 2, /* Total number of unloaded classes */
duke@435	71	JMM_THREAD_TOTAL_COUNT = 3, /* Total number of threads that have been started */
duke@435	72	JMM_THREAD_LIVE_COUNT = 4, /* Current number of live threads */
duke@435	73	JMM_THREAD_PEAK_COUNT = 5, /* Peak number of live threads */
duke@435	74	JMM_THREAD_DAEMON_COUNT = 6, /* Current number of daemon threads */
duke@435	75	JMM_JVM_INIT_DONE_TIME_MS = 7, /* Time when the JVM finished initialization */
duke@435	76	JMM_COMPILE_TOTAL_TIME_MS = 8, /* Total accumulated time spent in compilation */
duke@435	77	JMM_GC_TIME_MS = 9, /* Total accumulated time spent in collection */
duke@435	78	JMM_GC_COUNT = 10, /* Total number of collections */
duke@435	79
duke@435	80	JMM_INTERNAL_ATTRIBUTE_INDEX = 100,
duke@435	81	JMM_CLASS_LOADED_BYTES = 101, /* Number of bytes loaded instance classes */
duke@435	82	JMM_CLASS_UNLOADED_BYTES = 102, /* Number of bytes unloaded instance classes */
duke@435	83	JMM_TOTAL_CLASSLOAD_TIME_MS = 103, /* Accumulated VM class loader time (TraceClassLoadingTime) */
duke@435	84	JMM_VM_GLOBAL_COUNT = 104, /* Number of VM internal flags */
duke@435	85	JMM_SAFEPOINT_COUNT = 105, /* Total number of safepoints */
duke@435	86	JMM_TOTAL_SAFEPOINTSYNC_TIME_MS = 106, /* Accumulated time spent getting to safepoints */
duke@435	87	JMM_TOTAL_STOPPED_TIME_MS = 107, /* Accumulated time spent at safepoints */
duke@435	88	JMM_TOTAL_APP_TIME_MS = 108, /* Accumulated time spent in Java application */
duke@435	89	JMM_VM_THREAD_COUNT = 109, /* Current number of VM internal threads */
duke@435	90	JMM_CLASS_INIT_TOTAL_COUNT = 110, /* Number of classes for which initializers were run */
duke@435	91	JMM_CLASS_INIT_TOTAL_TIME_MS = 111, /* Accumulated time spent in class initializers */
duke@435	92	JMM_METHOD_DATA_SIZE_BYTES = 112, /* Size of method data in memory */
duke@435	93	JMM_CLASS_VERIFY_TOTAL_TIME_MS = 113, /* Accumulated time spent in class verifier */
duke@435	94	JMM_SHARED_CLASS_LOADED_COUNT = 114, /* Number of shared classes loaded */
duke@435	95	JMM_SHARED_CLASS_UNLOADED_COUNT = 115, /* Number of shared classes unloaded */
duke@435	96	JMM_SHARED_CLASS_LOADED_BYTES = 116, /* Number of bytes loaded shared classes */
duke@435	97	JMM_SHARED_CLASS_UNLOADED_BYTES = 117, /* Number of bytes unloaded shared classes */
duke@435	98
duke@435	99	JMM_OS_ATTRIBUTE_INDEX = 200,
duke@435	100	JMM_OS_PROCESS_ID = 201, /* Process id of the JVM */
duke@435	101	JMM_OS_MEM_TOTAL_PHYSICAL_BYTES = 202, /* Physical memory size */
duke@435	102
duke@435	103	JMM_GC_EXT_ATTRIBUTE_INFO_SIZE = 401 /* the size of the GC specific attributes for a given GC memory manager */
duke@435	104	} jmmLongAttribute;
duke@435	105
duke@435	106	typedef enum {
duke@435	107	JMM_VERBOSE_GC = 21,
duke@435	108	JMM_VERBOSE_CLASS = 22,
duke@435	109	JMM_THREAD_CONTENTION_MONITORING = 23,
phh@2423	110	JMM_THREAD_CPU_TIME = 24,
phh@2423	111	JMM_THREAD_ALLOCATED_MEMORY = 25
duke@435	112	} jmmBoolAttribute;
duke@435	113
duke@435	114
duke@435	115	enum {
duke@435	116	JMM_THREAD_STATE_FLAG_SUSPENDED = 0x00100000,
duke@435	117	JMM_THREAD_STATE_FLAG_NATIVE = 0x00400000
duke@435	118	};
duke@435	119
duke@435	120	#define JMM_THREAD_STATE_FLAG_MASK 0xFFF00000
duke@435	121
duke@435	122	typedef enum {
duke@435	123	JMM_STAT_PEAK_THREAD_COUNT = 801,
duke@435	124	JMM_STAT_THREAD_CONTENTION_COUNT = 802,
duke@435	125	JMM_STAT_THREAD_CONTENTION_TIME = 803,
duke@435	126	JMM_STAT_THREAD_CONTENTION_STAT = 804,
duke@435	127	JMM_STAT_PEAK_POOL_USAGE = 805,
duke@435	128	JMM_STAT_GC_STAT = 806
duke@435	129	} jmmStatisticType;
duke@435	130
duke@435	131	typedef enum {
duke@435	132	JMM_USAGE_THRESHOLD_HIGH = 901,
duke@435	133	JMM_USAGE_THRESHOLD_LOW = 902,
duke@435	134	JMM_COLLECTION_USAGE_THRESHOLD_HIGH = 903,
duke@435	135	JMM_COLLECTION_USAGE_THRESHOLD_LOW = 904
duke@435	136	} jmmThresholdType;
duke@435	137
duke@435	138	/* Should match what is allowed in globals.hpp */
duke@435	139	typedef enum {
duke@435	140	JMM_VMGLOBAL_TYPE_UNKNOWN = 0,
duke@435	141	JMM_VMGLOBAL_TYPE_JBOOLEAN = 1,
duke@435	142	JMM_VMGLOBAL_TYPE_JSTRING = 2,
duke@435	143	JMM_VMGLOBAL_TYPE_JLONG = 3
duke@435	144	} jmmVMGlobalType;
duke@435	145
duke@435	146	typedef enum {
duke@435	147	JMM_VMGLOBAL_ORIGIN_DEFAULT = 1, /* Default value */
duke@435	148	JMM_VMGLOBAL_ORIGIN_COMMAND_LINE = 2, /* Set at command line (or JNI invocation) */
duke@435	149	JMM_VMGLOBAL_ORIGIN_MANAGEMENT = 3, /* Set via management interface */
duke@435	150	JMM_VMGLOBAL_ORIGIN_ENVIRON_VAR = 4, /* Set via environment variables */
duke@435	151	JMM_VMGLOBAL_ORIGIN_CONFIG_FILE = 5, /* Set via config file (such as .hotspotrc) */
duke@435	152	JMM_VMGLOBAL_ORIGIN_ERGONOMIC = 6, /* Set via ergonomic */
duke@435	153	JMM_VMGLOBAL_ORIGIN_OTHER = 99 /* Set via some other mechanism */
duke@435	154	} jmmVMGlobalOrigin;
duke@435	155
duke@435	156	typedef struct {
duke@435	157	jstring name;
duke@435	158	jvalue value;
duke@435	159	jmmVMGlobalType type; /* Data type */
duke@435	160	jmmVMGlobalOrigin origin; /* Default or non-default value */
duke@435	161	unsigned int writeable : 1; /* dynamically writeable */
duke@435	162	unsigned int external : 1; /* external supported interface */
duke@435	163	unsigned int reserved : 30;
duke@435	164	void *reserved1;
duke@435	165	void *reserved2;
duke@435	166	} jmmVMGlobal;
duke@435	167
duke@435	168	typedef struct {
duke@435	169	const char* name;
duke@435	170	char type;
duke@435	171	const char* description;
duke@435	172	} jmmExtAttributeInfo;
duke@435	173
duke@435	174	/* Caller has to set the following fields before calling GetLastGCStat
duke@435	175	* o usage_before_gc - array of MemoryUsage objects
duke@435	176	* o usage_after_gc - array of MemoryUsage objects
duke@435	177	* o gc_ext_attribute_values_size - size of gc_ext_atttribute_values array
duke@435	178	* o gc_ext_attribtue_values - array of jvalues
duke@435	179	*/
duke@435	180	typedef struct {
duke@435	181	jlong gc_index; /* Index of the collections */
duke@435	182	jlong start_time; /* Start time of the GC */
duke@435	183	jlong end_time; /* End time of the GC */
duke@435	184	jobjectArray usage_before_gc; /* Memory usage array before GC */
duke@435	185	jobjectArray usage_after_gc; /* Memory usage array after GC */
duke@435	186	jint gc_ext_attribute_values_size; /* set by the caller of GetGCStat */
duke@435	187	jvalue* gc_ext_attribute_values; /* Array of jvalue for GC extension attributes */
duke@435	188	jint num_gc_ext_attributes; /* number of GC extension attribute values s are filled */
duke@435	189	/* -1 indicates gc_ext_attribute_values is not big enough */
duke@435	190	} jmmGCStat;
duke@435	191
fparain@3329	192	typedef struct {
fparain@3329	193	const char* name;
fparain@3329	194	const char* description;
fparain@3329	195	const char* impact;
fparain@3329	196	int num_arguments;
fparain@3329	197	jboolean enabled;
fparain@3329	198	} dcmdInfo;
fparain@3329	199
fparain@3329	200	typedef struct {
fparain@3329	201	const char* name;
fparain@3329	202	const char* description;
fparain@3329	203	const char* type;
fparain@3329	204	const char* default_string;
fparain@3329	205	jboolean mandatory;
fparain@3329	206	jboolean option;
fparain@3329	207	int position;
fparain@3329	208	} dcmdArgInfo;
fparain@3329	209
duke@435	210	typedef struct jmmInterface_1_ {
duke@435	211	void* reserved1;
duke@435	212	void* reserved2;
duke@435	213
duke@435	214	jint (JNICALL *GetVersion) (JNIEnv *env);
duke@435	215
duke@435	216	jint (JNICALL *GetOptionalSupport) (JNIEnv *env,
duke@435	217	jmmOptionalSupport* support_ptr);
duke@435	218
duke@435	219	/* This is used by JDK 6 and earlier.
duke@435	220	* For JDK 7 and after, use GetInputArgumentArray.
duke@435	221	*/
duke@435	222	jobject (JNICALL *GetInputArguments) (JNIEnv *env);
duke@435	223
duke@435	224	jint (JNICALL *GetThreadInfo) (JNIEnv *env,
duke@435	225	jlongArray ids,
duke@435	226	jint maxDepth,
duke@435	227	jobjectArray infoArray);
duke@435	228	jobjectArray (JNICALL *GetInputArgumentArray) (JNIEnv *env);
duke@435	229
duke@435	230	jobjectArray (JNICALL *GetMemoryPools) (JNIEnv* env, jobject mgr);
duke@435	231
duke@435	232	jobjectArray (JNICALL *GetMemoryManagers) (JNIEnv* env, jobject pool);
duke@435	233
duke@435	234	jobject (JNICALL *GetMemoryPoolUsage) (JNIEnv* env, jobject pool);
duke@435	235	jobject (JNICALL *GetPeakMemoryPoolUsage) (JNIEnv* env, jobject pool);
duke@435	236
phh@2423	237	void (JNICALL *GetThreadAllocatedMemory)
phh@2423	238	(JNIEnv *env,
phh@2423	239	jlongArray ids,
phh@2423	240	jlongArray sizeArray);
duke@435	241
duke@435	242	jobject (JNICALL *GetMemoryUsage) (JNIEnv* env, jboolean heap);
duke@435	243
duke@435	244	jlong (JNICALL *GetLongAttribute) (JNIEnv *env, jobject obj, jmmLongAttribute att);
duke@435	245	jboolean (JNICALL *GetBoolAttribute) (JNIEnv *env, jmmBoolAttribute att);
duke@435	246	jboolean (JNICALL *SetBoolAttribute) (JNIEnv *env, jmmBoolAttribute att, jboolean flag);
duke@435	247
duke@435	248	jint (JNICALL *GetLongAttributes) (JNIEnv *env,
duke@435	249	jobject obj,
duke@435	250	jmmLongAttribute* atts,
duke@435	251	jint count,
duke@435	252	jlong* result);
duke@435	253
duke@435	254	jobjectArray (JNICALL *FindCircularBlockedThreads) (JNIEnv *env);
phh@2423	255
phh@2423	256	// Not used in JDK 6 or JDK 7
duke@435	257	jlong (JNICALL *GetThreadCpuTime) (JNIEnv *env, jlong thread_id);
duke@435	258
duke@435	259	jobjectArray (JNICALL *GetVMGlobalNames) (JNIEnv *env);
duke@435	260	jint (JNICALL *GetVMGlobals) (JNIEnv *env,
duke@435	261	jobjectArray names,
duke@435	262	jmmVMGlobal *globals,
duke@435	263	jint count);
duke@435	264
duke@435	265	jint (JNICALL *GetInternalThreadTimes) (JNIEnv *env,
duke@435	266	jobjectArray names,
duke@435	267	jlongArray times);
duke@435	268
duke@435	269	jboolean (JNICALL *ResetStatistic) (JNIEnv *env,
duke@435	270	jvalue obj,
duke@435	271	jmmStatisticType type);
duke@435	272
duke@435	273	void (JNICALL *SetPoolSensor) (JNIEnv *env,
duke@435	274	jobject pool,
duke@435	275	jmmThresholdType type,
duke@435	276	jobject sensor);
duke@435	277
duke@435	278	jlong (JNICALL *SetPoolThreshold) (JNIEnv *env,
duke@435	279	jobject pool,
duke@435	280	jmmThresholdType type,
duke@435	281	jlong threshold);
duke@435	282	jobject (JNICALL *GetPoolCollectionUsage) (JNIEnv* env, jobject pool);
duke@435	283
duke@435	284	jint (JNICALL *GetGCExtAttributeInfo) (JNIEnv *env,
duke@435	285	jobject mgr,
duke@435	286	jmmExtAttributeInfo *ext_info,
duke@435	287	jint count);
duke@435	288	void (JNICALL *GetLastGCStat) (JNIEnv *env,
duke@435	289	jobject mgr,
duke@435	290	jmmGCStat *gc_stat);
phh@2423	291
phh@2423	292	jlong (JNICALL *GetThreadCpuTimeWithKind)
phh@2423	293	(JNIEnv *env,
phh@2423	294	jlong thread_id,
phh@2423	295	jboolean user_sys_cpu_time);
phh@2423	296	void (JNICALL *GetThreadCpuTimesWithKind)
phh@2423	297	(JNIEnv *env,
phh@2423	298	jlongArray ids,
phh@2423	299	jlongArray timeArray,
phh@2423	300	jboolean user_sys_cpu_time);
phh@2423	301
duke@435	302	jint (JNICALL *DumpHeap0) (JNIEnv *env,
duke@435	303	jstring outputfile,
duke@435	304	jboolean live);
phh@2423	305	jobjectArray (JNICALL *FindDeadlocks) (JNIEnv *env,
phh@2423	306	jboolean object_monitors_only);
duke@435	307	void (JNICALL *SetVMGlobal) (JNIEnv *env,
duke@435	308	jstring flag_name,
duke@435	309	jvalue new_value);
duke@435	310	void* reserved6;
duke@435	311	jobjectArray (JNICALL *DumpThreads) (JNIEnv *env,
duke@435	312	jlongArray ids,
duke@435	313	jboolean lockedMonitors,
duke@435	314	jboolean lockedSynchronizers);
fparain@2888	315	void (JNICALL *SetGCNotificationEnabled) (JNIEnv *env,
fparain@2888	316	jobject mgr,
fparain@2888	317	jboolean enabled);
fparain@3329	318	jobjectArray (JNICALL *GetDiagnosticCommands) (JNIEnv *env);
fparain@3329	319	void (JNICALL *GetDiagnosticCommandInfo)
fparain@3329	320	(JNIEnv *env,
fparain@3329	321	jobjectArray cmds,
fparain@3329	322	dcmdInfo *infoArray);
fparain@3329	323	void (JNICALL *GetDiagnosticCommandArgumentsInfo)
fparain@3329	324	(JNIEnv *env,
fparain@3329	325	jstring commandName,
fparain@3329	326	dcmdArgInfo *infoArray);
fparain@3329	327	jstring (JNICALL *ExecuteDiagnosticCommand)
fparain@3329	328	(JNIEnv *env,
fparain@3329	329	jstring command);
duke@435	330	} JmmInterface;
duke@435	331
duke@435	332	#ifdef __cplusplus
duke@435	333	} /* extern "C" */
duke@435	334	#endif /* __cplusplus */
duke@435	335
duke@435	336	#endif /* !_JAVA_JMM_H_ */