643 lines
22 KiB
C
643 lines
22 KiB
C
/*
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* @(#)jvmpi.h 1.28 03/12/19
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*
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* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
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* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*/
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#ifndef _JAVASOFT_JVMPI_H_
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#define _JAVASOFT_JVMPI_H_
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#include "jni.h"
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#define JVMPI_VERSION_1 ((jint)0x10000001) /* implied 0 for minor version */
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#define JVMPI_VERSION_1_1 ((jint)0x10000002)
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#define JVMPI_VERSION_1_2 ((jint)0x10000003)
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void (*jvmpi_void_function_of_void)(void *);
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#ifdef __cplusplus
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}
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#endif
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/****************************************************************
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* Profiler interface data structures.
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****************************************************************/
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/* identifier types. */
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struct _jobjectID;
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typedef struct _jobjectID * jobjectID; /* type of object ids */
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/* raw monitors */
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struct _JVMPI_RawMonitor;
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typedef struct _JVMPI_RawMonitor * JVMPI_RawMonitor;
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/* call frame */
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typedef struct {
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jint lineno; /* line number in the source file */
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jmethodID method_id; /* method executed in this frame */
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} JVMPI_CallFrame;
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/* call trace */
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typedef struct {
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JNIEnv *env_id; /* Env where trace was recorded */
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jint num_frames; /* number of frames in this trace */
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JVMPI_CallFrame *frames; /* frames */
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} JVMPI_CallTrace;
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/* method */
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typedef struct {
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char *method_name; /* name of method */
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char *method_signature; /* signature of method */
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jint start_lineno; /* -1 if native, abstract .. */
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jint end_lineno; /* -1 if native, abstract .. */
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jmethodID method_id; /* id assigned to this method */
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} JVMPI_Method;
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/* Field */
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typedef struct {
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char *field_name; /* name of field */
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char *field_signature; /* signature of field */
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} JVMPI_Field;
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/* line number info for a compiled method */
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typedef struct {
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jint offset; /* offset from beginning of method */
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jint lineno; /* lineno from beginning of src file */
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} JVMPI_Lineno;
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/* event */
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typedef struct {
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jint event_type; /* event_type */
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JNIEnv *env_id; /* env where this event occured */
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union {
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struct {
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const char *class_name; /* class name */
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char *source_name; /* name of source file */
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jint num_interfaces; /* number of interfaces implemented */
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jint num_methods; /* number of methods in the class */
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JVMPI_Method *methods; /* methods */
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jint num_static_fields; /* number of static fields */
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JVMPI_Field *statics; /* static fields */
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jint num_instance_fields; /* number of instance fields */
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JVMPI_Field *instances; /* instance fields */
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jobjectID class_id; /* id of the class object */
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} class_load;
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struct {
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jobjectID class_id; /* id of the class object */
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} class_unload;
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struct {
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unsigned char *class_data; /* content of class file */
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jint class_data_len; /* class file length */
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unsigned char *new_class_data; /* instrumented class file */
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jint new_class_data_len; /* new class file length */
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void * (*malloc_f)(unsigned int); /* memory allocation function */
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} class_load_hook;
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struct {
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jint arena_id;
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jobjectID class_id; /* id of object class */
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jint is_array; /* JVMPI_NORMAL_OBJECT, ... */
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jint size; /* size in number of bytes */
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jobjectID obj_id; /* id assigned to this object */
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} obj_alloc;
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struct {
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jobjectID obj_id; /* id of the object */
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} obj_free;
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struct {
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jint arena_id; /* cur arena id */
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jobjectID obj_id; /* cur object id */
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jint new_arena_id; /* new arena id */
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jobjectID new_obj_id; /* new object id */
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} obj_move;
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struct {
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jint arena_id; /* id of arena */
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const char *arena_name; /* name of arena */
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} new_arena;
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struct {
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jint arena_id; /* id of arena */
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} delete_arena;
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struct {
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char *thread_name; /* name of thread */
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char *group_name; /* name of group */
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char *parent_name; /* name of parent */
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jobjectID thread_id; /* id of the thread object */
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JNIEnv *thread_env_id;
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} thread_start;
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struct {
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int dump_level; /* level of the heap dump info */
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char *begin; /* where all the root records begin,
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please see the heap dump buffer
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format described below */
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char *end; /* where the object records end. */
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jint num_traces; /* number of thread traces,
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0 if dump level = JVMPI_DUMP_LEVEL_0 */
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JVMPI_CallTrace *traces; /* thread traces collected during
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heap dump */
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} heap_dump;
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struct {
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jobjectID obj_id; /* object id */
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jobject ref_id; /* id assigned to the globalref */
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} jni_globalref_alloc;
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struct {
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jobject ref_id; /* id of the global ref */
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} jni_globalref_free;
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struct {
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jmethodID method_id; /* method */
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} method;
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struct {
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jmethodID method_id; /* id of method */
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jobjectID obj_id; /* id of target object */
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} method_entry2;
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struct {
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jmethodID method_id; /* id of compiled method */
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void *code_addr; /* code start addr. in memory */
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jint code_size; /* code size */
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jint lineno_table_size; /* size of lineno table */
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JVMPI_Lineno *lineno_table; /* lineno info */
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} compiled_method_load;
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struct {
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jmethodID method_id; /* id of unloaded compiled method */
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} compiled_method_unload;
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struct {
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jmethodID method_id; /* id of the method the instruction belongs to */
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jint offset; /* instruction offset in the method's bytecode */
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union {
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struct {
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jboolean is_true; /* whether true or false branch is taken */
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} if_info;
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struct {
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jint key; /* top stack value used as an index */
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jint low; /* min value of the index */
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jint hi; /* max value of the index */
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} tableswitch_info;
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struct {
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jint chosen_pair_index; /* actually chosen pair index (0-based)
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* if chosen_pair_index == pairs_total then
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* the 'default' branch is taken
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*/
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jint pairs_total; /* total number of lookupswitch pairs */
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} lookupswitch_info;
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} u;
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} instruction;
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struct {
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char *begin; /* beginning of dump buffer,
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see below for format */
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char *end; /* end of dump buffer */
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jint num_traces; /* number of traces */
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JVMPI_CallTrace *traces; /* traces of all threads */
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jint *threads_status; /* status of all threads */
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} monitor_dump;
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struct {
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const char *name; /* name of raw monitor */
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JVMPI_RawMonitor id; /* id */
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} raw_monitor;
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struct {
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jobjectID object; /* Java object */
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} monitor;
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struct {
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jobjectID object; /* Java object */
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jlong timeout; /* timeout period */
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} monitor_wait;
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struct {
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jlong used_objects;
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jlong used_object_space;
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jlong total_object_space;
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} gc_info;
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struct {
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jint data_len;
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char *data;
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} object_dump;
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} u;
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} JVMPI_Event;
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/* interface functions */
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typedef struct {
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jint version; /* JVMPI version */
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/* ------interface implemented by the profiler------ */
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/**
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* Function called by the JVM to notify an event.
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*/
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void (*NotifyEvent)(JVMPI_Event *event);
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/* ------interface implemented by the JVM------ */
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/**
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* Function called by the profiler to enable/disable/send notification
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* for a particular event type.
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*
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* event_type - event_type
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* arg - event specific arg
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*
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* return JVMPI_NOT_AVAILABLE, JVMPI_SUCCESS or JVMPI_FAIL
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*/
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jint (*EnableEvent)(jint event_type, void *arg);
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jint (*DisableEvent)(jint event_type, void *arg);
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jint (*RequestEvent)(jint event_type, void *arg);
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/**
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* Function called by the profiler to get a stack
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* trace from the JVM.
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*
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* trace - trace data structure to be filled
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* depth - maximum depth of the trace.
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*/
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void (*GetCallTrace)(JVMPI_CallTrace *trace, jint depth);
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/**
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* Function called by profiler when it wants to exit/stop.
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*/
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void (*ProfilerExit)(jint);
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/**
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* Utility functions provided by the JVM.
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*/
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JVMPI_RawMonitor (*RawMonitorCreate)(char *lock_name);
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void (*RawMonitorEnter)(JVMPI_RawMonitor lock_id);
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void (*RawMonitorExit)(JVMPI_RawMonitor lock_id);
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void (*RawMonitorWait)(JVMPI_RawMonitor lock_id, jlong ms);
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void (*RawMonitorNotifyAll)(JVMPI_RawMonitor lock_id);
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void (*RawMonitorDestroy)(JVMPI_RawMonitor lock_id);
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/**
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* Function called by the profiler to get the current thread's CPU time.
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*
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* return time in nanoseconds;
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*/
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jlong (*GetCurrentThreadCpuTime)(void);
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void (*SuspendThread)(JNIEnv *env);
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void (*ResumeThread)(JNIEnv *env);
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jint (*GetThreadStatus)(JNIEnv *env);
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jboolean (*ThreadHasRun)(JNIEnv *env);
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/* This function can be called safely only after JVMPI_EVENT_VM_INIT_DONE
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notification by the JVM. */
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jint (*CreateSystemThread)(char *name, jint priority, void (*f)(void *));
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/* thread local storage access functions to avoid locking in time
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critical functions */
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void (*SetThreadLocalStorage)(JNIEnv *env_id, void *ptr);
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void * (*GetThreadLocalStorage)(JNIEnv *env_id);
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/* control GC */
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void (*DisableGC)(void);
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void (*EnableGC)(void);
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void (*RunGC)(void);
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jobjectID (*GetThreadObject)(JNIEnv *env);
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jobjectID (*GetMethodClass)(jmethodID mid);
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/* JNI <-> jobject conversions */
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jobject (*jobjectID2jobject)(jobjectID jid);
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jobjectID (*jobject2jobjectID)(jobject jobj);
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void (*SuspendThreadList)
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(jint reqCount, JNIEnv **reqList, jint *results);
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void (*ResumeThreadList)
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(jint reqCount, JNIEnv **reqList, jint *results);
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} JVMPI_Interface;
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/* type of argument passed to RequestEvent for heap dumps */
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typedef struct {
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jint heap_dump_level;
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} JVMPI_HeapDumpArg;
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/**********************************************************************
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* Constants and formats used in JVM Profiler Interface.
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**********************************************************************/
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/*
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* Event type constants.
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*/
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#define JVMPI_EVENT_METHOD_ENTRY ((jint)1)
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#define JVMPI_EVENT_METHOD_ENTRY2 ((jint)2)
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#define JVMPI_EVENT_METHOD_EXIT ((jint)3)
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#define JVMPI_EVENT_OBJECT_ALLOC ((jint)4)
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#define JVMPI_EVENT_OBJECT_FREE ((jint)5)
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#define JVMPI_EVENT_OBJECT_MOVE ((jint)6)
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#define JVMPI_EVENT_COMPILED_METHOD_LOAD ((jint)7)
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#define JVMPI_EVENT_COMPILED_METHOD_UNLOAD ((jint)8)
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#define JVMPI_EVENT_INSTRUCTION_START ((jint)9)
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#define JVMPI_EVENT_THREAD_START ((jint)33)
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#define JVMPI_EVENT_THREAD_END ((jint)34)
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#define JVMPI_EVENT_CLASS_LOAD_HOOK ((jint)35)
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#define JVMPI_EVENT_HEAP_DUMP ((jint)37)
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#define JVMPI_EVENT_JNI_GLOBALREF_ALLOC ((jint)38)
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#define JVMPI_EVENT_JNI_GLOBALREF_FREE ((jint)39)
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#define JVMPI_EVENT_JNI_WEAK_GLOBALREF_ALLOC ((jint)40)
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#define JVMPI_EVENT_JNI_WEAK_GLOBALREF_FREE ((jint)41)
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#define JVMPI_EVENT_CLASS_LOAD ((jint)42)
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#define JVMPI_EVENT_CLASS_UNLOAD ((jint)43)
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#define JVMPI_EVENT_DATA_DUMP_REQUEST ((jint)44)
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#define JVMPI_EVENT_DATA_RESET_REQUEST ((jint)45)
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#define JVMPI_EVENT_JVM_INIT_DONE ((jint)46)
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#define JVMPI_EVENT_JVM_SHUT_DOWN ((jint)47)
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#define JVMPI_EVENT_ARENA_NEW ((jint)48)
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#define JVMPI_EVENT_ARENA_DELETE ((jint)49)
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#define JVMPI_EVENT_OBJECT_DUMP ((jint)50)
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#define JVMPI_EVENT_RAW_MONITOR_CONTENDED_ENTER ((jint)51)
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#define JVMPI_EVENT_RAW_MONITOR_CONTENDED_ENTERED ((jint)52)
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#define JVMPI_EVENT_RAW_MONITOR_CONTENDED_EXIT ((jint)53)
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#define JVMPI_EVENT_MONITOR_CONTENDED_ENTER ((jint)54)
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#define JVMPI_EVENT_MONITOR_CONTENDED_ENTERED ((jint)55)
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#define JVMPI_EVENT_MONITOR_CONTENDED_EXIT ((jint)56)
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#define JVMPI_EVENT_MONITOR_WAIT ((jint)57)
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#define JVMPI_EVENT_MONITOR_WAITED ((jint)58)
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#define JVMPI_EVENT_MONITOR_DUMP ((jint)59)
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#define JVMPI_EVENT_GC_START ((jint)60)
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#define JVMPI_EVENT_GC_FINISH ((jint)61)
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#define JVMPI_MAX_EVENT_TYPE_VAL ((jint)61)
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/* old definitions, to be removed */
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#define JVMPI_EVENT_LOAD_COMPILED_METHOD ((jint)7)
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#define JVMPI_EVENT_UNLOAD_COMPILED_METHOD ((jint)8)
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#define JVMPI_EVENT_NEW_ARENA ((jint)48)
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#define JVMPI_EVENT_DELETE_ARENA ((jint)49)
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#define JVMPI_EVENT_DUMP_DATA_REQUEST ((jint)44)
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#define JVMPI_EVENT_RESET_DATA_REQUEST ((jint)45)
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#define JVMPI_EVENT_OBJ_ALLOC ((jint)4)
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#define JVMPI_EVENT_OBJ_FREE ((jint)5)
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#define JVMPI_EVENT_OBJ_MOVE ((jint)6)
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#define JVMPI_REQUESTED_EVENT ((jint)0x10000000)
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/*
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* enabling/disabling event notification.
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*/
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/* results */
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#define JVMPI_SUCCESS ((jint)0)
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#define JVMPI_NOT_AVAILABLE ((jint)1)
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#define JVMPI_FAIL ((jint)-1)
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/*
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* Thread status
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*/
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enum {
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JVMPI_THREAD_RUNNABLE = 1,
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JVMPI_THREAD_MONITOR_WAIT,
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JVMPI_THREAD_CONDVAR_WAIT
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};
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#define JVMPI_THREAD_SUSPENDED 0x8000
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#define JVMPI_THREAD_INTERRUPTED 0x4000
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/*
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* Thread priority
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*/
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#define JVMPI_MINIMUM_PRIORITY 1
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#define JVMPI_MAXIMUM_PRIORITY 10
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#define JVMPI_NORMAL_PRIORITY 5
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/*
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* Object type constants.
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*/
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#define JVMPI_NORMAL_OBJECT ((jint)0)
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#define JVMPI_CLASS ((jint)2)
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#define JVMPI_BOOLEAN ((jint)4)
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#define JVMPI_CHAR ((jint)5)
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#define JVMPI_FLOAT ((jint)6)
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#define JVMPI_DOUBLE ((jint)7)
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#define JVMPI_BYTE ((jint)8)
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#define JVMPI_SHORT ((jint)9)
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#define JVMPI_INT ((jint)10)
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#define JVMPI_LONG ((jint)11)
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/*
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* Monitor dump constants.
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*/
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#define JVMPI_MONITOR_JAVA 0x01
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#define JVMPI_MONITOR_RAW 0x02
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/*
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* Heap dump constants.
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*/
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#define JVMPI_GC_ROOT_UNKNOWN 0xff
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#define JVMPI_GC_ROOT_JNI_GLOBAL 0x01
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#define JVMPI_GC_ROOT_JNI_LOCAL 0x02
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#define JVMPI_GC_ROOT_JAVA_FRAME 0x03
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#define JVMPI_GC_ROOT_NATIVE_STACK 0x04
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#define JVMPI_GC_ROOT_STICKY_CLASS 0x05
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#define JVMPI_GC_ROOT_THREAD_BLOCK 0x06
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#define JVMPI_GC_ROOT_MONITOR_USED 0x07
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#define JVMPI_GC_ROOT_THREAD_OBJ 0x08
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#define JVMPI_GC_CLASS_DUMP 0x20
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#define JVMPI_GC_INSTANCE_DUMP 0x21
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#define JVMPI_GC_OBJ_ARRAY_DUMP 0x22
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#define JVMPI_GC_PRIM_ARRAY_DUMP 0x23
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/*
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* Dump levels
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*/
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#define JVMPI_DUMP_LEVEL_0 ((jint)0)
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#define JVMPI_DUMP_LEVEL_1 ((jint)1)
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#define JVMPI_DUMP_LEVEL_2 ((jint)2)
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/* Types used in dumps -
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*
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* u1: 1 byte
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* u2: 2 bytes
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* u4: 4 bytes
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* u8: 8 bytes
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*
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* ty: u1 where:
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* JVMPI_CLASS: object
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* JVMPI_BOOLEAN: boolean
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* JVMPI_CHAR: char
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* JVMPI_FLOAT: float
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* JVMPI_DOUBLE: double
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* JVMPI_BYTE: byte
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* JVMPI_SHORT: short
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* JVMPI_INT: int
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* JVMPI_LONG: long
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*
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* 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_ */
|