src/share/vm/gc/g1/g1RemSetSummary.hpp

@@ -83,10 +83,11 @@
   // subtract all counters from the other summary, and set them in the current
   void subtract_from(G1RemSetSummary* other);
 
   // initialize and get the first sampling
   void initialize(G1RemSet* remset);
+  bool const initialized() { return _rs_threads_vtimes != NULL; }
 
   void print_on(outputStream* out);
 
   double rs_thread_vtime(uint thread) const;