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src/hotspot/share/gc/g1/g1DefaultPolicy.hpp

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rev 47449 : imported patch 8189666
rev 47451 : imported patch 8189729-perc-naming


 224   void update_rs_lengths_prediction();
 225   void update_rs_lengths_prediction(size_t prediction);
 226 
 227   // Check whether a given young length (young_length) fits into the
 228   // given target pause time and whether the prediction for the amount
 229   // of objects to be copied for the given length will fit into the
 230   // given free space (expressed by base_free_regions).  It is used by
 231   // calculate_young_list_target_length().
 232   bool predict_will_fit(uint young_length, double base_time_ms,
 233                         uint base_free_regions, double target_pause_time_ms) const;
 234 
 235 public:
 236   size_t pending_cards() const { return _pending_cards; }
 237 
 238   uint calc_min_old_cset_length() const;
 239   uint calc_max_old_cset_length() const;
 240 
 241   // Returns the given amount of reclaimable bytes (that represents
 242   // the amount of reclaimable space still to be collected) as a
 243   // percentage of the current heap capacity.
 244   double reclaimable_bytes_perc(size_t reclaimable_bytes) const;
 245 
 246   jlong collection_pause_end_millis() { return _collection_pause_end_millis; }
 247 
 248 private:
 249   // Sets up marking if proper conditions are met.
 250   void maybe_start_marking();
 251 
 252   // The kind of STW pause.
 253   enum PauseKind {
 254     FullGC,
 255     YoungOnlyGC,
 256     MixedGC,
 257     LastYoungGC,
 258     InitialMarkGC,
 259     Cleanup,
 260     Remark
 261   };
 262 
 263   // Calculate PauseKind from internal state.
 264   PauseKind young_gc_pause_kind() const;




 224   void update_rs_lengths_prediction();
 225   void update_rs_lengths_prediction(size_t prediction);
 226 
 227   // Check whether a given young length (young_length) fits into the
 228   // given target pause time and whether the prediction for the amount
 229   // of objects to be copied for the given length will fit into the
 230   // given free space (expressed by base_free_regions).  It is used by
 231   // calculate_young_list_target_length().
 232   bool predict_will_fit(uint young_length, double base_time_ms,
 233                         uint base_free_regions, double target_pause_time_ms) const;
 234 
 235 public:
 236   size_t pending_cards() const { return _pending_cards; }
 237 
 238   uint calc_min_old_cset_length() const;
 239   uint calc_max_old_cset_length() const;
 240 
 241   // Returns the given amount of reclaimable bytes (that represents
 242   // the amount of reclaimable space still to be collected) as a
 243   // percentage of the current heap capacity.
 244   double reclaimable_bytes_percent(size_t reclaimable_bytes) const;
 245 
 246   jlong collection_pause_end_millis() { return _collection_pause_end_millis; }
 247 
 248 private:
 249   // Sets up marking if proper conditions are met.
 250   void maybe_start_marking();
 251 
 252   // The kind of STW pause.
 253   enum PauseKind {
 254     FullGC,
 255     YoungOnlyGC,
 256     MixedGC,
 257     LastYoungGC,
 258     InitialMarkGC,
 259     Cleanup,
 260     Remark
 261   };
 262 
 263   // Calculate PauseKind from internal state.
 264   PauseKind young_gc_pause_kind() const;


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