43 class HeapRegion;

    43 class HeapRegion;

    44 class G1CollectionSet;

    44 class G1CollectionSet;

    45 class CollectionSetChooser;

    45 class CollectionSetChooser;

    46 class G1IHOPControl;

    46 class G1IHOPControl;

    47 class G1Analytics;

    47 class G1Analytics;

    48 class G1YoungGenSizer;

    49 class G1YoungGenSizer;

    49 

    50 

    50 class G1Policy: public CHeapObj<mtGC> {

    51 class G1Policy: public CHeapObj<mtGC> {

    51 public:

    52 public:

    52   virtual const G1Predictions& predictor() const = 0;

    53   virtual const G1Predictions& predictor() const = 0;

   137   virtual void record_bytes_copied_during_gc(size_t bytes) = 0;

   138   virtual void record_bytes_copied_during_gc(size_t bytes) = 0;

   138 

   139 

   139   // The amount of space we copied during a GC.

   140   // The amount of space we copied during a GC.

   140   virtual size_t bytes_copied_during_gc() const = 0;

   141   virtual size_t bytes_copied_during_gc() const = 0;

   141 

   142 

   143 

   144 

   144   // This sets the initiate_conc_mark_if_possible() flag to start a

   145   // This sets the initiate_conc_mark_if_possible() flag to start a

   145   // new cycle, as long as we are not already in one. It's best if it

   146   // new cycle, as long as we are not already in one. It's best if it

   146   // is called during a safepoint when the test whether a cycle is in

   147   // is called during a safepoint when the test whether a cycle is in

   147   // progress or not is stable.

   148   // progress or not is stable.

   157 

   158 

   158   // Print stats on young survival ratio

   159   // Print stats on young survival ratio

   159   virtual void print_yg_surv_rate_info() const = 0;

   160   virtual void print_yg_surv_rate_info() const = 0;

   160 

   161 

   161   virtual void finished_recalculating_age_indexes(bool is_survivors) = 0;

   162   virtual void finished_recalculating_age_indexes(bool is_survivors) = 0;

   162 

   165 

   163   virtual size_t young_list_target_length() const = 0;

   166   virtual size_t young_list_target_length() const = 0;

   164 

   167 

   165   virtual bool should_allocate_mutator_region() const = 0;

   168   virtual bool should_allocate_mutator_region() const = 0;

   166 

   169