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hotspot: support jmm mxbean #68

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143 changes: 143 additions & 0 deletions src/hotspot/share/include/jmm.h
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Original file line number Diff line number Diff line change
Expand Up @@ -56,12 +56,21 @@ enum {
JMM_VERSION = JMM_VERSION_4
};

#if HOTSPOT_TARGET_CLASSLIB == 8
enum {
JMM_VERSION_CVM8 = 0x20010203 // JDK 8
};
#endif

typedef struct {
unsigned int isLowMemoryDetectionSupported : 1;
unsigned int isCompilationTimeMonitoringSupported : 1;
unsigned int isThreadContentionMonitoringSupported : 1;
unsigned int isCurrentThreadCpuTimeSupported : 1;
unsigned int isOtherThreadCpuTimeSupported : 1;
#if HOTSPOT_TARGET_CLASSLIB == 8
unsigned int isBootClassPathSupported : 1;
#endif
unsigned int isObjectMonitorUsageSupported : 1;
unsigned int isSynchronizerUsageSupported : 1;
unsigned int isThreadAllocatedMemorySupported : 1;
Expand Down Expand Up @@ -346,6 +355,140 @@ typedef struct jmmInterface_1_ {
jboolean enabled);
} JmmInterface;

#if HOTSPOT_TARGET_CLASSLIB == 8
typedef struct jmmInterface_jdk8_ {
jlong (JNICALL *GetTotalThreadAllocatedMemory)
(JNIEnv *env);
jlong (JNICALL *GetOneThreadAllocatedMemory)
(JNIEnv *env,
jlong thread_id);

jint (JNICALL *GetVersion) (JNIEnv *env);

jint (JNICALL *GetOptionalSupport) (JNIEnv *env,
jmmOptionalSupport* support_ptr);

/* This is used by JDK 6 and earlier.
* For JDK 7 and after, use GetInputArgumentArray.
*/
jobject (JNICALL *GetInputArguments) (JNIEnv *env);

jint (JNICALL *GetThreadInfo) (JNIEnv *env,
jlongArray ids,
jint maxDepth,
jobjectArray infoArray);
jobjectArray (JNICALL *GetInputArgumentArray) (JNIEnv *env);

jobjectArray (JNICALL *GetMemoryPools) (JNIEnv* env, jobject mgr);

jobjectArray (JNICALL *GetMemoryManagers) (JNIEnv* env, jobject pool);

jobject (JNICALL *GetMemoryPoolUsage) (JNIEnv* env, jobject pool);
jobject (JNICALL *GetPeakMemoryPoolUsage) (JNIEnv* env, jobject pool);

void (JNICALL *GetThreadAllocatedMemory)
(JNIEnv *env,
jlongArray ids,
jlongArray sizeArray);

jobject (JNICALL *GetMemoryUsage) (JNIEnv* env, jboolean heap);

jlong (JNICALL *GetLongAttribute) (JNIEnv *env, jobject obj, jmmLongAttribute att);
jboolean (JNICALL *GetBoolAttribute) (JNIEnv *env, jmmBoolAttribute att);
jboolean (JNICALL *SetBoolAttribute) (JNIEnv *env, jmmBoolAttribute att, jboolean flag);

jint (JNICALL *GetLongAttributes) (JNIEnv *env,
jobject obj,
jmmLongAttribute* atts,
jint count,
jlong* result);

jobjectArray (JNICALL *FindCircularBlockedThreads) (JNIEnv *env);

// Not used in JDK 6 or JDK 7
jlong (JNICALL *GetThreadCpuTime) (JNIEnv *env, jlong thread_id);

jobjectArray (JNICALL *GetVMGlobalNames) (JNIEnv *env);
jint (JNICALL *GetVMGlobals) (JNIEnv *env,
jobjectArray names,
jmmVMGlobal *globals,
jint count);

jint (JNICALL *GetInternalThreadTimes) (JNIEnv *env,
jobjectArray names,
jlongArray times);

jboolean (JNICALL *ResetStatistic) (JNIEnv *env,
jvalue obj,
jmmStatisticType type);

void (JNICALL *SetPoolSensor) (JNIEnv *env,
jobject pool,
jmmThresholdType type,
jobject sensor);

jlong (JNICALL *SetPoolThreshold) (JNIEnv *env,
jobject pool,
jmmThresholdType type,
jlong threshold);
jobject (JNICALL *GetPoolCollectionUsage) (JNIEnv* env, jobject pool);

jint (JNICALL *GetGCExtAttributeInfo) (JNIEnv *env,
jobject mgr,
jmmExtAttributeInfo *ext_info,
jint count);
void (JNICALL *GetLastGCStat) (JNIEnv *env,
jobject mgr,
jmmGCStat *gc_stat);

jlong (JNICALL *GetThreadCpuTimeWithKind)
(JNIEnv *env,
jlong thread_id,
jboolean user_sys_cpu_time);
void (JNICALL *GetThreadCpuTimesWithKind)
(JNIEnv *env,
jlongArray ids,
jlongArray timeArray,
jboolean user_sys_cpu_time);

jint (JNICALL *DumpHeap0) (JNIEnv *env,
jstring outputfile,
jboolean live);
jobjectArray (JNICALL *FindDeadlocks) (JNIEnv *env,
jboolean object_monitors_only);
void (JNICALL *SetVMGlobal) (JNIEnv *env,
jstring flag_name,
jvalue new_value);
jobjectArray (JNICALL *DumpThreadsMaxDepth) (JNIEnv *env,
jlongArray ids,
jboolean lockedMonitors,
jboolean lockedSynchronizers,
jint maxDepth);
jobjectArray (JNICALL *DumpThreads) (JNIEnv *env,
jlongArray ids,
jboolean lockedMonitors,
jboolean lockedSynchronizers);
void (JNICALL *SetGCNotificationEnabled) (JNIEnv *env,
jobject mgr,
jboolean enabled);
jobjectArray (JNICALL *GetDiagnosticCommands) (JNIEnv *env);
void (JNICALL *GetDiagnosticCommandInfo)
(JNIEnv *env,
jobjectArray cmds,
dcmdInfo *infoArray);
void (JNICALL *GetDiagnosticCommandArgumentsInfo)
(JNIEnv *env,
jstring commandName,
dcmdArgInfo *infoArray);
jstring (JNICALL *ExecuteDiagnosticCommand)
(JNIEnv *env,
jstring command);
void (JNICALL *SetDiagnosticFrameworkNotificationEnabled)
(JNIEnv *env,
jboolean enabled);
} JmmInterface_JDK8;
#endif

#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
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