src/share/vm/memory/generation.hpp

@@ -455,10 +455,11 @@
   // garbage collectors. A NULL value indicates to the client that
   // no data recording is expected by the provider. The data-recorder is
   // expected to be GC worker thread-local, with the worker index
   // indicated by "thr_num".
   virtual void* get_data_recorder(int thr_num) { return NULL; }
+  virtual void sample_eden_chunk() {}
 
   // Some generations may require some cleanup actions before allowing
   // a verification.
   virtual void prepare_for_verify() {};