src/hotspot/share/gc/g1/heapRegion.inline.hpp

rev 56939 : [mq]: 8233306-heapregion-sorting
rev 56952 : [mq]: 8233588-cleanup-survrategroup

@@ -26,10 +26,11 @@
 #define SHARE_GC_G1_HEAPREGION_INLINE_HPP
 
 #include "gc/g1/g1BlockOffsetTable.inline.hpp"
 #include "gc/g1/g1CollectedHeap.inline.hpp"
 #include "gc/g1/g1ConcurrentMarkBitMap.inline.hpp"
+#include "gc/g1/g1Predictions.hpp"
 #include "gc/g1/heapRegion.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/atomic.hpp"
 #include "runtime/prefetch.inline.hpp"
 #include "utilities/align.hpp"

@@ -368,6 +369,49 @@
       return is_precise ? end : cur;
     }
   }
 }
 
+inline int HeapRegion::age_in_surv_rate_group() const {
+  assert(has_surv_rate_group(), "pre-condition");
+  assert(SurvRateGroup::is_valid_age_index(_age_index), "pre-condition");
+  return _surv_rate_group->age_in_group(_age_index);
+}
+
+inline bool HeapRegion::has_surv_rate_group() const {
+  return _surv_rate_group != NULL;
+}
+  
+inline double HeapRegion::surv_rate_prediction(G1Predictions const& predictor) const {
+  assert(has_surv_rate_group(), "pre-condition");
+  return _surv_rate_group->surv_rate_pred(predictor, age_in_surv_rate_group());
+}
+
+inline void HeapRegion::install_surv_rate_group(SurvRateGroup* surv_rate_group) {
+  assert(surv_rate_group != NULL, "pre-condition");
+  assert(!has_surv_rate_group(), "pre-condition");
+  assert(is_young(), "pre-condition");
+
+  _surv_rate_group = surv_rate_group;
+  _age_index = surv_rate_group->next_age_index();
+}
+
+inline void HeapRegion::uninstall_surv_rate_group() {
+  if (has_surv_rate_group()) {
+    assert(SurvRateGroup::is_valid_age_index(_age_index), "pre-condition");
+    assert(is_young(), "pre-condition");
+
+    _surv_rate_group = NULL;
+    _age_index = SurvRateGroup::InvalidAgeIndex;
+  } else {
+    assert(!SurvRateGroup::is_valid_age_index(_age_index), "pre-condition");
+  }
+}
+
+inline void HeapRegion::record_surv_words_in_group(size_t words_survived) {
+  assert(has_surv_rate_group(), "pre-condition");
+  assert(SurvRateGroup::is_valid_age_index(_age_index), "pre-condition");
+  int age_in_group = age_in_surv_rate_group();
+  _surv_rate_group->record_surviving_words(age_in_group, words_survived);
+}
+
 #endif // SHARE_GC_G1_HEAPREGION_INLINE_HPP