28 #include "gc/shared/gcId.hpp"
29 #include "logging/log.hpp"
30 #include "memory/allocation.hpp"
31 #include "memory/allocation.inline.hpp"
32 #include "memory/resourceArea.hpp"
33 #include "runtime/atomic.inline.hpp"
34 #include "runtime/handles.hpp"
35 #include "runtime/handles.inline.hpp"
36 #include "runtime/os.hpp"
37 #include "runtime/thread.hpp"
38
39 GCTaskThread::GCTaskThread(GCTaskManager* manager,
40 uint which,
41 uint processor_id) :
42 _manager(manager),
43 _processor_id(processor_id),
44 _time_stamps(NULL),
45 _time_stamp_index(0)
46 {
47 set_id(which);
48 set_name("ParGC Thread#%d", which);
49 }
50
51 GCTaskThread::~GCTaskThread() {
52 if (_time_stamps != NULL) {
53 FREE_C_HEAP_ARRAY(GCTaskTimeStamp, _time_stamps);
54 }
55 }
56
57 GCTaskTimeStamp* GCTaskThread::time_stamp_at(uint index) {
58 guarantee(index < GCTaskTimeStampEntries, "increase GCTaskTimeStampEntries");
59 if (_time_stamps == NULL) {
60 // We allocate the _time_stamps array lazily since logging can be enabled dynamically
61 GCTaskTimeStamp* time_stamps = NEW_C_HEAP_ARRAY(GCTaskTimeStamp, GCTaskTimeStampEntries, mtGC);
62 void* old = Atomic::cmpxchg_ptr(time_stamps, &_time_stamps, NULL);
63 if (old != NULL) {
64 // Someone already setup the time stamps
65 FREE_C_HEAP_ARRAY(GCTaskTimeStamp, time_stamps);
66 }
67 }
68
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28 #include "gc/shared/gcId.hpp"
29 #include "logging/log.hpp"
30 #include "memory/allocation.hpp"
31 #include "memory/allocation.inline.hpp"
32 #include "memory/resourceArea.hpp"
33 #include "runtime/atomic.inline.hpp"
34 #include "runtime/handles.hpp"
35 #include "runtime/handles.inline.hpp"
36 #include "runtime/os.hpp"
37 #include "runtime/thread.hpp"
38
39 GCTaskThread::GCTaskThread(GCTaskManager* manager,
40 uint which,
41 uint processor_id) :
42 _manager(manager),
43 _processor_id(processor_id),
44 _time_stamps(NULL),
45 _time_stamp_index(0)
46 {
47 set_id(which);
48 set_name("%s#%d", manager->group_name(), which);
49 }
50
51 GCTaskThread::~GCTaskThread() {
52 if (_time_stamps != NULL) {
53 FREE_C_HEAP_ARRAY(GCTaskTimeStamp, _time_stamps);
54 }
55 }
56
57 GCTaskTimeStamp* GCTaskThread::time_stamp_at(uint index) {
58 guarantee(index < GCTaskTimeStampEntries, "increase GCTaskTimeStampEntries");
59 if (_time_stamps == NULL) {
60 // We allocate the _time_stamps array lazily since logging can be enabled dynamically
61 GCTaskTimeStamp* time_stamps = NEW_C_HEAP_ARRAY(GCTaskTimeStamp, GCTaskTimeStampEntries, mtGC);
62 void* old = Atomic::cmpxchg_ptr(time_stamps, &_time_stamps, NULL);
63 if (old != NULL) {
64 // Someone already setup the time stamps
65 FREE_C_HEAP_ARRAY(GCTaskTimeStamp, time_stamps);
66 }
67 }
68
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