src/share/vm/trace/traceBackend.hpp

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

*** 31,51 ****
  #include "runtime/globals.hpp"
  #include "runtime/os.hpp"
  
  class TraceBackend {
   public:
!   static bool enabled(TraceEventId id) {
      return EnableTracing;
    }
  
    static TracingTime time() {
      return os::elapsed_counter();
    }
  
    static TracingTime time_adjustment(jlong time) {
      return time;
    }
  };
  
  typedef TraceBackend Tracing;
  
  #endif /* INCLUDE_TRACE */
--- 31,58 ----
  #include "runtime/globals.hpp"
  #include "runtime/os.hpp"
  
  class TraceBackend {
   public:
!   static bool enabled(void) {
      return EnableTracing;
    }
  
+   static bool is_event_enabled(TraceEventId id) {
+     return enabled();
+   }
+ 
    static TracingTime time() {
      return os::elapsed_counter();
    }
  
    static TracingTime time_adjustment(jlong time) {
      return time;
    }
+ 
+   static void on_unloading_classes(BoolObjectClosure* is_alive, int no_of_classes_unloading) {
+   }
  };
  
  typedef TraceBackend Tracing;
  
  #endif /* INCLUDE_TRACE */