37 #include "services/memoryService.hpp"
38 #include "memoryManager.hpp"
39 #include "memory/oopFactory.hpp"
40 #include "memory/resourceArea.hpp"
41
42 GCNotificationRequest *GCNotifier::first_request = NULL;
43 GCNotificationRequest *GCNotifier::last_request = NULL;
44
45 void GCNotifier::pushNotification(GCMemoryManager *mgr, const char *action, const char *cause) {
46 // Make a copy of the last GC statistics
47 // GC may occur between now and the creation of the notification
48 int num_pools = MemoryService::num_memory_pools();
49 // stat is deallocated inside GCNotificationRequest
50 GCStatInfo* stat = new(ResourceObj::C_HEAP, mtGC) GCStatInfo(num_pools);
51 mgr->get_last_gc_stat(stat);
52 GCNotificationRequest *request = new GCNotificationRequest(os::javaTimeMillis(),mgr,action,cause,stat);
53 addRequest(request);
54 }
55
56 void GCNotifier::addRequest(GCNotificationRequest *request) {
57 MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
58 if(first_request == NULL) {
59 first_request = request;
60 } else {
61 last_request->next = request;
62 }
63 last_request = request;
64 Service_lock->notify_all();
65 }
66
67 GCNotificationRequest *GCNotifier::getRequest() {
68 MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
69 GCNotificationRequest *request = first_request;
70 if(first_request != NULL) {
71 first_request = first_request->next;
72 }
73 return request;
74 }
75
76 bool GCNotifier::has_event() {
77 return first_request != NULL;
78 }
79
80 static Handle getGcInfoBuilder(GCMemoryManager *gcManager,TRAPS) {
81
82 Klass* gcMBeanKlass = Management::com_sun_management_internal_GarbageCollectorExtImpl_klass(CHECK_NH);
83
84 instanceOop i = gcManager->get_memory_manager_instance(THREAD);
85 instanceHandle ih(THREAD, i);
86
87 JavaValue result(T_OBJECT);
88 JavaCallArguments args(ih);
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37 #include "services/memoryService.hpp"
38 #include "memoryManager.hpp"
39 #include "memory/oopFactory.hpp"
40 #include "memory/resourceArea.hpp"
41
42 GCNotificationRequest *GCNotifier::first_request = NULL;
43 GCNotificationRequest *GCNotifier::last_request = NULL;
44
45 void GCNotifier::pushNotification(GCMemoryManager *mgr, const char *action, const char *cause) {
46 // Make a copy of the last GC statistics
47 // GC may occur between now and the creation of the notification
48 int num_pools = MemoryService::num_memory_pools();
49 // stat is deallocated inside GCNotificationRequest
50 GCStatInfo* stat = new(ResourceObj::C_HEAP, mtGC) GCStatInfo(num_pools);
51 mgr->get_last_gc_stat(stat);
52 GCNotificationRequest *request = new GCNotificationRequest(os::javaTimeMillis(),mgr,action,cause,stat);
53 addRequest(request);
54 }
55
56 void GCNotifier::addRequest(GCNotificationRequest *request) {
57 MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
58 if(first_request == NULL) {
59 first_request = request;
60 } else {
61 last_request->next = request;
62 }
63 last_request = request;
64 Notification_lock->notify_all();
65 }
66
67 GCNotificationRequest *GCNotifier::getRequest() {
68 MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
69 GCNotificationRequest *request = first_request;
70 if(first_request != NULL) {
71 first_request = first_request->next;
72 }
73 return request;
74 }
75
76 bool GCNotifier::has_event() {
77 return first_request != NULL;
78 }
79
80 static Handle getGcInfoBuilder(GCMemoryManager *gcManager,TRAPS) {
81
82 Klass* gcMBeanKlass = Management::com_sun_management_internal_GarbageCollectorExtImpl_klass(CHECK_NH);
83
84 instanceOop i = gcManager->get_memory_manager_instance(THREAD);
85 instanceHandle ih(THREAD, i);
86
87 JavaValue result(T_OBJECT);
88 JavaCallArguments args(ih);
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