src/share/vm/gc/serial/genMarkSweep.cpp

*** 216,239 ****
--- 216,249 ----
    }
  
    // This is the point where the entire marking should have completed.
    assert(_marking_stack.is_empty(), "Marking should have completed");
  
+   {
+     GCTraceTime(Debug, gc) tm_m("Class Unloading", gc_timer());
+ 
      // Unload classes and purge the SystemDictionary.
      bool purged_class = SystemDictionary::do_unloading(&is_alive);
  
      // Unload nmethods.
      CodeCache::do_unloading(&is_alive, purged_class);
  
      // Prune dead klasses from subklass/sibling/implementor lists.
      Klass::clean_weak_klass_links(&is_alive);
+   }
  
+   {
+     GCTraceTime(Debug, gc) t("Scrub String Table", gc_timer());
      // Delete entries for dead interned strings.
      StringTable::unlink(&is_alive);
+   }
  
+   {
+     GCTraceTime(Debug, gc) t("Scrub Symbol Table", gc_timer());
      // Clean up unreferenced symbols in symbol table.
      SymbolTable::unlink();
+   }
  
    gc_tracer()->report_object_count_after_gc(&is_alive);
  }