src/share/vm/gc/parallel/parallelScavengeHeap.hpp

rev 13233 : 8179268: Factor out AdaptiveSizePolicy from top-level interfaces CollectorPolicy and CollectedHeap

*** 264,269 ****
--- 264,298 ----
    size_t _young_gen_used;
    size_t _old_gen_used;
    size_t _metadata_used;
  };
  
+ // Class that can be used to print information about the
+ // adaptive size policy at intervals specified by
+ // AdaptiveSizePolicyOutputInterval.  Only print information
+ // if an adaptive size policy is in use.
+ class AdaptiveSizePolicyOutput : AllStatic {
+   static bool enabled() {
+     return UseParallelGC &&
+            UseAdaptiveSizePolicy &&
+            log_is_enabled(Debug, gc, ergo);
+   }
+  public:
+   static void print() {
+     if (enabled()) {
+       ParallelScavengeHeap::heap()->size_policy()->print();
+     }
+   }
+ 
+   static void print(AdaptiveSizePolicy* size_policy, uint count) {
+     bool do_print =
+         enabled() &&
+         (AdaptiveSizePolicyOutputInterval > 0) &&
+         (count % AdaptiveSizePolicyOutputInterval) == 0;
+ 
+     if (do_print) {
+       size_policy->print();
+     }
+   }
+ };
+ 
  #endif // SHARE_VM_GC_PARALLEL_PARALLELSCAVENGEHEAP_HPP