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src/hotspot/share/gc/shared/stringdedup/stringDedupThread.cpp

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rev 54116 : imported patch JDK-8220671.patch


  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);
  84 }
  85 
  86 void StringDedupThread::print_end(const StringDedupStat* last_stat, const StringDedupStat* total_stat) {
  87   StringDedupStat::print_end(last_stat, total_stat);
  88   if (log_is_enabled(Debug, gc, stringdedup)) {
  89     last_stat->print_statistics(false);
  90     total_stat->print_statistics(true);
  91 
  92     StringDedupTable::print_statistics();
  93     StringDedupQueue::print_statistics();
  94   }
  95 }


  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::pre_run() {
  79   SuspendibleThreadSetJoiner sts_join;
  80   ConcurrentGCThread::pre_run();
  81 }
  82 
  83 void StringDedupThread::post_run() {
  84   SuspendibleThreadSetJoiner sts_join;
  85   ConcurrentGCThread::post_run();
  86 }
  87 
  88 void StringDedupThread::stop_service() {
  89   StringDedupQueue::cancel_wait();
  90 }
  91 
  92 void StringDedupThread::print_start(const StringDedupStat* last_stat) {
  93   StringDedupStat::print_start(last_stat);
  94 }
  95 
  96 void StringDedupThread::print_end(const StringDedupStat* last_stat, const StringDedupStat* total_stat) {
  97   StringDedupStat::print_end(last_stat, total_stat);
  98   if (log_is_enabled(Debug, gc, stringdedup)) {
  99     last_stat->print_statistics(false);
 100     total_stat->print_statistics(true);
 101 
 102     StringDedupTable::print_statistics();
 103     StringDedupQueue::print_statistics();
 104   }
 105 }
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