📄 jvmpi.h
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(jint reqCount, JNIEnv **reqList, jint *results);
} JVMPI_Interface;
/* type of argument passed to RequestEvent for heap dumps */
typedef struct {
jint heap_dump_level;
} JVMPI_HeapDumpArg;
/**********************************************************************
* Constants and formats used in JVM Profiler Interface.
**********************************************************************/
/*
* Event type constants.
*/
#define JVMPI_EVENT_METHOD_ENTRY ((jint)1)
#define JVMPI_EVENT_METHOD_ENTRY2 ((jint)2)
#define JVMPI_EVENT_METHOD_EXIT ((jint)3)
#define JVMPI_EVENT_OBJECT_ALLOC ((jint)4)
#define JVMPI_EVENT_OBJECT_FREE ((jint)5)
#define JVMPI_EVENT_OBJECT_MOVE ((jint)6)
#define JVMPI_EVENT_COMPILED_METHOD_LOAD ((jint)7)
#define JVMPI_EVENT_COMPILED_METHOD_UNLOAD ((jint)8)
#define JVMPI_EVENT_INSTRUCTION_START ((jint)9)
#define JVMPI_EVENT_THREAD_START ((jint)33)
#define JVMPI_EVENT_THREAD_END ((jint)34)
#define JVMPI_EVENT_CLASS_LOAD_HOOK ((jint)35)
#define JVMPI_EVENT_HEAP_DUMP ((jint)37)
#define JVMPI_EVENT_JNI_GLOBALREF_ALLOC ((jint)38)
#define JVMPI_EVENT_JNI_GLOBALREF_FREE ((jint)39)
#define JVMPI_EVENT_JNI_WEAK_GLOBALREF_ALLOC ((jint)40)
#define JVMPI_EVENT_JNI_WEAK_GLOBALREF_FREE ((jint)41)
#define JVMPI_EVENT_CLASS_LOAD ((jint)42)
#define JVMPI_EVENT_CLASS_UNLOAD ((jint)43)
#define JVMPI_EVENT_DATA_DUMP_REQUEST ((jint)44)
#define JVMPI_EVENT_DATA_RESET_REQUEST ((jint)45)
#define JVMPI_EVENT_JVM_INIT_DONE ((jint)46)
#define JVMPI_EVENT_JVM_SHUT_DOWN ((jint)47)
#define JVMPI_EVENT_ARENA_NEW ((jint)48)
#define JVMPI_EVENT_ARENA_DELETE ((jint)49)
#define JVMPI_EVENT_OBJECT_DUMP ((jint)50)
#define JVMPI_EVENT_RAW_MONITOR_CONTENDED_ENTER ((jint)51)
#define JVMPI_EVENT_RAW_MONITOR_CONTENDED_ENTERED ((jint)52)
#define JVMPI_EVENT_RAW_MONITOR_CONTENDED_EXIT ((jint)53)
#define JVMPI_EVENT_MONITOR_CONTENDED_ENTER ((jint)54)
#define JVMPI_EVENT_MONITOR_CONTENDED_ENTERED ((jint)55)
#define JVMPI_EVENT_MONITOR_CONTENDED_EXIT ((jint)56)
#define JVMPI_EVENT_MONITOR_WAIT ((jint)57)
#define JVMPI_EVENT_MONITOR_WAITED ((jint)58)
#define JVMPI_EVENT_MONITOR_DUMP ((jint)59)
#define JVMPI_EVENT_GC_START ((jint)60)
#define JVMPI_EVENT_GC_FINISH ((jint)61)
#define JVMPI_MAX_EVENT_TYPE_VAL ((jint)61)
/* old definitions, to be removed */
#define JVMPI_EVENT_LOAD_COMPILED_METHOD ((jint)7)
#define JVMPI_EVENT_UNLOAD_COMPILED_METHOD ((jint)8)
#define JVMPI_EVENT_NEW_ARENA ((jint)48)
#define JVMPI_EVENT_DELETE_ARENA ((jint)49)
#define JVMPI_EVENT_DUMP_DATA_REQUEST ((jint)44)
#define JVMPI_EVENT_RESET_DATA_REQUEST ((jint)45)
#define JVMPI_EVENT_OBJ_ALLOC ((jint)4)
#define JVMPI_EVENT_OBJ_FREE ((jint)5)
#define JVMPI_EVENT_OBJ_MOVE ((jint)6)
#define JVMPI_REQUESTED_EVENT ((jint)0x10000000)
/*
* enabling/disabling event notification.
*/
/* results */
#define JVMPI_SUCCESS ((jint)0)
#define JVMPI_NOT_AVAILABLE ((jint)1)
#define JVMPI_FAIL ((jint)-1)
/*
* Thread status
*/
enum {
JVMPI_THREAD_RUNNABLE = 1,
JVMPI_THREAD_MONITOR_WAIT,
JVMPI_THREAD_CONDVAR_WAIT
};
#define JVMPI_THREAD_SUSPENDED 0x8000
#define JVMPI_THREAD_INTERRUPTED 0x4000
/*
* Thread priority
*/
#define JVMPI_MINIMUM_PRIORITY 1
#define JVMPI_MAXIMUM_PRIORITY 10
#define JVMPI_NORMAL_PRIORITY 5
/*
* Object type constants.
*/
#define JVMPI_NORMAL_OBJECT ((jint)0)
#define JVMPI_CLASS ((jint)2)
#define JVMPI_BOOLEAN ((jint)4)
#define JVMPI_CHAR ((jint)5)
#define JVMPI_FLOAT ((jint)6)
#define JVMPI_DOUBLE ((jint)7)
#define JVMPI_BYTE ((jint)8)
#define JVMPI_SHORT ((jint)9)
#define JVMPI_INT ((jint)10)
#define JVMPI_LONG ((jint)11)
/*
* Monitor dump constants.
*/
#define JVMPI_MONITOR_JAVA 0x01
#define JVMPI_MONITOR_RAW 0x02
/*
* Heap dump constants.
*/
#define JVMPI_GC_ROOT_UNKNOWN 0xff
#define JVMPI_GC_ROOT_JNI_GLOBAL 0x01
#define JVMPI_GC_ROOT_JNI_LOCAL 0x02
#define JVMPI_GC_ROOT_JAVA_FRAME 0x03
#define JVMPI_GC_ROOT_NATIVE_STACK 0x04
#define JVMPI_GC_ROOT_STICKY_CLASS 0x05
#define JVMPI_GC_ROOT_THREAD_BLOCK 0x06
#define JVMPI_GC_ROOT_MONITOR_USED 0x07
#define JVMPI_GC_ROOT_THREAD_OBJ 0x08
#define JVMPI_GC_CLASS_DUMP 0x20
#define JVMPI_GC_INSTANCE_DUMP 0x21
#define JVMPI_GC_OBJ_ARRAY_DUMP 0x22
#define JVMPI_GC_PRIM_ARRAY_DUMP 0x23
/*
* Dump levels
*/
#define JVMPI_DUMP_LEVEL_0 ((jint)0)
#define JVMPI_DUMP_LEVEL_1 ((jint)1)
#define JVMPI_DUMP_LEVEL_2 ((jint)2)
/* Types used in dumps -
*
* u1: 1 byte
* u2: 2 bytes
* u4: 4 bytes
* u8: 8 bytes
*
* ty: u1 where:
* JVMPI_CLASS: object
* JVMPI_BOOLEAN: boolean
* JVMPI_CHAR: char
* JVMPI_FLOAT: float
* JVMPI_DOUBLE: double
* JVMPI_BYTE: byte
* JVMPI_SHORT: short
* JVMPI_INT: int
* JVMPI_LONG: long
*
* vl: values, exact type depends on the type of the value:
* JVMPI_BOOLEAN & JVMPI_BYTE: u1
* JVMPI_SHORT & JVMPI_CHAR: u2
* JVMPI_INT & JVMPI_FLOAT: u4
* JVMPI_LONG & JVMPI_DOUBLE: u8
* JVMPI_CLASS: jobjectID
*/
/* Format of the monitor dump buffer:
*
* u1 monitor type
*
* JVMPI_MONITOR_JAVA Java monitor
*
* jobjectID object
* JNIEnv * owner thread
* u4 entry count
* u4 # of threads waiting to enter
* [JNIEnv *]* threads waiting to enter
* u4 # of threads waiting to be notified
* [JNIEnv *]* threads waiting to be notified
*
* JVMPI_MONITOR_RAW raw monitor
*
* char * name
* JVMPI_RawMonitor raw monitor
* JNIEnv * owner thread
* u4 entry count
* u4 # of threads waiting to enter
* [JNIEnv *]* threads waiting to enter
* u4 # of threads waiting to be notified
* [JNIEnv *]* threads waiting to be notified
*/
/* Format of the heap dump buffer depends on the dump level
* specified in the JVMPI_HeapDumpArg passed to RequestEvent as arg.
* The default is JVMPI_DUMP_LEVEL_2.
*
* JVMPI_DUMP_LEVEL_0:
*
* u1 object type (JVMPI_CLASS ...)
* jobjectID object
*
* JVMPI_DUMP_LEVEL_1 and JVMPI_DUMP_LEVEL_2 use the following format:
* In the case of JVMPI_DUMP_LEVEL_1 the values of primitive fields in object
* instance dumps , the values of primitive statics in class dumps and the
* values of primitive arrays are excluded. JVMPI_DUMP_LEVEL_2 includes the
* primitive values.
*
* u1 record type
*
* JVMPI_GC_ROOT_UNKNOWN unknown root
*
* jobjectID object
*
* JVMPI_GC_ROOT_JNI_GLOBAL JNI global ref root
*
* jobjectID object
* jobject JNI global reference
*
* JVMPI_GC_ROOT_JNI_LOCAL JNI local ref
*
* jobjectID object
* JNIEnv * thread
* u4 frame # in stack trace (-1 for empty)
*
* JVMPI_GC_ROOT_JAVA_FRAME Java stack frame
*
* jobjectID object
* JNIEnv * thread
* u4 frame # in stack trace (-1 for empty)
*
* JVMPI_GC_ROOT_NATIVE_STACK Native stack
*
* jobjectID object
* JNIEnv * thread
*
* JVMPI_GC_ROOT_STICKY_CLASS System class
*
* jobjectID class object
*
* JVMPI_GC_ROOT_THREAD_BLOCK Reference from thread block
*
* jobjectID thread object
* JNIEnv * thread
*
* JVMPI_GC_ROOT_MONITOR_USED Busy monitor
*
* jobjectID object
*
* JVMPI_GC_CLASS_DUMP dump of a class object
*
* jobjectID class
* jobjectID super
* jobjectID class loader
* jobjectID signers
* jobjectID protection domain
* jobjectID class name
* void * reserved
*
* u4 instance size (in bytes)
*
* [jobjectID]* interfaces
*
* u2 size of constant pool
* [u2, constant pool index,
* ty, type,
* vl]* value
*
* [vl]* static field values
*
* JVMPI_GC_INSTANCE_DUMP dump of a normal object
*
* jobjectID object
* jobjectID class
* u4 number of bytes that follow
* [vl]* instance field values (class, followed
* by super, super's super ...)
*
* JVMPI_GC_OBJ_ARRAY_DUMP dump of an object array
*
* jobjectID array object
* u4 number of elements
* jobjectID element class
* [jobjectID]* elements
*
* JVMPI_GC_PRIM_ARRAY_DUMP dump of a primitive array
*
* jobjectID array object
* u4 number of elements
* ty element type
* [vl]* elements
*
*/
/* Format of the dump received in JVMPI_EVENT_OBJECT_DUMP:
* All the records have JVMPI_DUMP_LEVEL_2 information.
*
* u1 record type
*
* followed by a:
*
* JVMPI_GC_CLASS_DUMP,
* JVMPI_GC_INSTANCE_DUMP,
* JVMPI_GC_OBJ_ARRAY_DUMP, or
* JVMPI_GC_PRIM_ARRAY_DUMP record.
*/
#endif /* !_JAVASOFT_JVMPI_H_ */
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