src/share/vm/classfile/systemDictionary.hpp

rev 4372 : 8012182: Add information about class loading and unloading to event based tracing framework
Reviewed-by:

*** 32,41 ****
--- 32,46 ----
  #include "runtime/java.hpp"
  #include "runtime/reflectionUtils.hpp"
  #include "utilities/hashtable.hpp"
  #include "utilities/hashtable.inline.hpp"
  
+ #if INCLUDE_TRACE
+  #include "trace/traceTime.hpp"
+  class BoolObjectClosure;
+ #endif
+ 
  // The system dictionary stores all loaded classes and maps:
  //
  //   [class name,class loader] -> class   i.e.  [Symbol*,oop] -> klassOop
  //
  // Classes are loaded lazily. The default VM class loader is
*** 605,614 ****
--- 610,623 ----
    static instanceKlassHandle load_instance_class(Symbol* class_name, Handle class_loader, TRAPS);
    static Handle compute_loader_lock_object(Handle class_loader, TRAPS);
    static void check_loader_lock_contention(Handle loader_lock, TRAPS);
    static bool is_parallelCapable(Handle class_loader);
    static bool is_parallelDefine(Handle class_loader);
+   static jlong class_load_tracing_begin(void);
+   static void post_class_load_event(jlong start_time, instanceKlassHandle k,
+                                     Handle initiating_loader);
+   static void post_class_unload_events(BoolObjectClosure* is_alive);
  
    static klassOop find_shared_class(Symbol* class_name);
  
    // Setup link to hierarchy
    static void add_to_hierarchy(instanceKlassHandle k, TRAPS);
*** 667,676 ****
--- 676,693 ----
  
    static oop  _java_system_loader;
  
    static bool _has_loadClassInternal;
    static bool _has_checkPackageAccess;
+ 
+ #if INCLUDE_TRACE
+   static TracingTime _class_unload_time;
+   static BoolObjectClosure* _is_alive;
+   static int _no_of_classes_unloading;
+   static bool _should_write_unload_events;
+   static void class_unload_event(klassOop curklass);
+ #endif
  };
  
  class SystemDictionaryHandles : AllStatic {
  public:
    #define WK_KLASS_HANDLE_DECLARE(name, ignore_symbol, option) \