src/share/vm/gc_implementation/shared/gcTrace.hpp

@@ -155,13 +155,42 @@
 
  public:
   void report_promotion_failed(const PromotionFailedInfo& pf_info);
   void report_tenuring_threshold(const uint tenuring_threshold);
 
+  /*
+   * Methods for reporting Promotion in new or outside PLAB Events.
+   * 
+   * The object age is always required as it is not certain that the mark word 
+   * of the oop can be trusted at this stage.
+   *
+   * obj_size is the size of the promoted object in HeapWords
+   * 
+   * tenured should be true if the object has been promoted to the old 
+   * space during this GC, if the object is copied to survivor space 
+   * from young space or survivor space (aging) tenured should be false.
+   * 
+   * plab_size is the size of the newly allocated PLAB in HeapWords
+   */
+  bool should_report_promotion_in_new_plab_event() const;
+  bool should_report_promotion_outside_plab_event() const;
+  void report_promotion_in_new_plab_event(const oop old, const size_t obj_size,
+                                          const uint age, bool tenured,
+                                          const size_t plab_size) const;
+  void report_promotion_outside_plab_event(const oop old, const size_t obj_size,
+                                           const uint age, bool tenured) const;
+
  private:
   void send_young_gc_event() const;
   void send_promotion_failed_event(const PromotionFailedInfo& pf_info) const;
+  bool should_send_promotion_in_new_plab_event() const;
+  bool should_send_promotion_outside_plab_event() const;
+  void send_promotion_in_new_plab_event(const oop old, const size_t obj_size,
+                                        const uint age, bool tenured,
+                                        const size_t plab_size) const;
+  void send_promotion_outside_plab_event(const oop old, const size_t obj_size,
+                                         const uint age, bool tenured) const;
 };
 
 class OldGCTracer : public GCTracer {
  protected:
   OldGCTracer(GCName name) : GCTracer(name) {}