42 set_name("StrDedup");
43 create_and_start();
44 }
45
46 StringDedupThread::~StringDedupThread() {
47 ShouldNotReachHere();
48 }
49
50 StringDedupThread* StringDedupThread::thread() {
51 assert(_thread != NULL, "String deduplication thread not created");
52 return _thread;
53 }
54
55 class StringDedupSharedClosure: public OopClosure {
56 private:
57 StringDedupStat* _stat;
58
59 public:
60 StringDedupSharedClosure(StringDedupStat* stat) : _stat(stat) {}
61
62 virtual void do_oop(oop* p) { ShouldNotReachHere(); }
63 virtual void do_oop(narrowOop* p) {
64 oop java_string = RawAccess<>::oop_load(p);
65 StringDedupTable::deduplicate(java_string, _stat);
66 }
67 };
68
69 // The CDS archive does not include the string dedupication table. Only the string
70 // table is saved in the archive. The shared strings from CDS archive need to be
71 // added to the string dedupication table before deduplication occurs. That is
72 // done in the begining of the StringDedupThread (see StringDedupThread::do_deduplication()).
73 void StringDedupThread::deduplicate_shared_strings(StringDedupStat* stat) {
74 StringDedupSharedClosure sharedStringDedup(stat);
75 StringTable::shared_oops_do(&sharedStringDedup);
76 }
77
78 void StringDedupThread::stop_service() {
79 StringDedupQueue::cancel_wait();
80 }
81
82 void StringDedupThread::print_start(const StringDedupStat* last_stat) {
83 StringDedupStat::print_start(last_stat);
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42 set_name("StrDedup");
43 create_and_start();
44 }
45
46 StringDedupThread::~StringDedupThread() {
47 ShouldNotReachHere();
48 }
49
50 StringDedupThread* StringDedupThread::thread() {
51 assert(_thread != NULL, "String deduplication thread not created");
52 return _thread;
53 }
54
55 class StringDedupSharedClosure: public OopClosure {
56 private:
57 StringDedupStat* _stat;
58
59 public:
60 StringDedupSharedClosure(StringDedupStat* stat) : _stat(stat) {}
61
62 virtual void do_oop(narrowOop* p) { ShouldNotReachHere(); }
63 virtual void do_oop(oop* p) {
64 oop java_string = RawAccess<>::oop_load(p);
65 StringDedupTable::deduplicate(java_string, _stat);
66 }
67 };
68
69 // The CDS archive does not include the string dedupication table. Only the string
70 // table is saved in the archive. The shared strings from CDS archive need to be
71 // added to the string dedupication table before deduplication occurs. That is
72 // done in the begining of the StringDedupThread (see StringDedupThread::do_deduplication()).
73 void StringDedupThread::deduplicate_shared_strings(StringDedupStat* stat) {
74 StringDedupSharedClosure sharedStringDedup(stat);
75 StringTable::shared_oops_do(&sharedStringDedup);
76 }
77
78 void StringDedupThread::stop_service() {
79 StringDedupQueue::cancel_wait();
80 }
81
82 void StringDedupThread::print_start(const StringDedupStat* last_stat) {
83 StringDedupStat::print_start(last_stat);
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