223   void set_used(size_t bytes);

   223   void set_used(size_t bytes);

   224 

   224 

   225   // Class that handles archive allocation ranges.

   225   // Class that handles archive allocation ranges.

   226   G1ArchiveAllocator* _archive_allocator;

   226   G1ArchiveAllocator* _archive_allocator;

   227 

   227 

   231   // GC allocation statistics policy for survivors.

   228   // GC allocation statistics policy for survivors.

   232   G1EvacStats _survivor_evac_stats;

   229   G1EvacStats _survivor_evac_stats;

   233 

   230 

   234   // GC allocation statistics policy for tenured objects.

   231   // GC allocation statistics policy for tenured objects.

   235   G1EvacStats _old_evac_stats;

   232   G1EvacStats _old_evac_stats;

   278   // explicitly started if:

   275   // explicitly started if:

   279   // (a) cause == _gc_locker and +GCLockerInvokesConcurrent, or

   276   // (a) cause == _gc_locker and +GCLockerInvokesConcurrent, or

   280   // (b) cause == _g1_humongous_allocation

   277   // (b) cause == _g1_humongous_allocation

   281   // (c) cause == _java_lang_system_gc and +ExplicitGCInvokesConcurrent.

   278   // (c) cause == _java_lang_system_gc and +ExplicitGCInvokesConcurrent.

   282   // (d) cause == _dcmd_gc_run and +ExplicitGCInvokesConcurrent.

   279   // (d) cause == _dcmd_gc_run and +ExplicitGCInvokesConcurrent.

   285   bool should_do_concurrent_full_gc(GCCause::Cause cause);

   281   bool should_do_concurrent_full_gc(GCCause::Cause cause);

   286 

   282 

   287   // indicates whether we are in young or mixed GC mode

   283   // indicates whether we are in young or mixed GC mode

   288   G1CollectorState _collector_state;

   284   G1CollectorState _collector_state;

   289 

   285 

   581   inline G1EvacStats* alloc_buffer_stats(InCSetState dest);

   577   inline G1EvacStats* alloc_buffer_stats(InCSetState dest);

   582 

   578 

   583   // Determines PLAB size for a given destination.

   579   // Determines PLAB size for a given destination.

   584   inline size_t desired_plab_sz(InCSetState dest);

   580   inline size_t desired_plab_sz(InCSetState dest);

   585 

   581 

   588   // Do anything common to GC's.

   582   // Do anything common to GC's.

   589   void gc_prologue(bool full);

   583   void gc_prologue(bool full);

   590   void gc_epilogue(bool full);

   584   void gc_epilogue(bool full);

   591 

   585 

   592   // Modify the reclaim candidate set and test for presence.

   586   // Modify the reclaim candidate set and test for presence.

  1130   // Perform a collection of the heap; intended for use in implementing

  1124   // Perform a collection of the heap; intended for use in implementing

  1131   // "System.gc".  This probably implies as full a collection as the

  1125   // "System.gc".  This probably implies as full a collection as the

  1132   // "CollectedHeap" supports.

  1126   // "CollectedHeap" supports.

  1133   virtual void collect(GCCause::Cause cause);

  1127   virtual void collect(GCCause::Cause cause);

  1134 

  1128 

  1140   // True iff an evacuation has failed in the most-recent collection.

  1129   // True iff an evacuation has failed in the most-recent collection.

  1141   bool evacuation_failed() { return _evacuation_failed; }

  1130   bool evacuation_failed() { return _evacuation_failed; }

  1142 

  1131 

  1143   void remove_from_old_sets(const uint old_regions_removed, const uint humongous_regions_removed);

  1132   void remove_from_old_sets(const uint old_regions_removed, const uint humongous_regions_removed);

  1144   void prepend_to_freelist(FreeRegionList* list);

  1133   void prepend_to_freelist(FreeRegionList* list);