8248273: Small clean up for PerfClassTraceTime

Remove the unused code.

Reviewed-by: dholmes, redestad

src/hotspot/share/classfile/classLoader.hpp

@@ -441,12 +441,11 @@ class PerfClassTraceTime {
  public:
   enum {
     CLASS_LOAD   = 0,
-    PARSE_CLASS  = 1,
-    CLASS_LINK   = 2,
-    CLASS_VERIFY = 3,
-    CLASS_CLINIT = 4,
-    DEFINE_CLASS = 5,
-    EVENT_TYPE_COUNT = 6
+    CLASS_LINK   = 1,
+    CLASS_VERIFY = 2,
+    CLASS_CLINIT = 3,
+    DEFINE_CLASS = 4,
+    EVENT_TYPE_COUNT = 5
   };
  protected:
   // _t tracks time from initialization to destruction of this timer instance
@@ -484,9 +483,6 @@ class PerfClassTraceTime {
     initialize();
   }
 
-  inline void suspend() { _t.stop(); _timers[_event_type].stop(); }
-  inline void resume()  { _t.start(); _timers[_event_type].start(); }
-
   ~PerfClassTraceTime();
   void initialize();
 };

src/hotspot/share/services/threadService.hpp

@@ -25,6 +25,7 @@
 #ifndef SHARE_SERVICES_THREADSERVICE_HPP
 #define SHARE_SERVICES_THREADSERVICE_HPP
 
+#include "classfile/classLoader.hpp"
 #include "classfile/javaClasses.hpp"
 #include "runtime/handles.hpp"
 #include "runtime/init.hpp"
@@ -140,8 +141,8 @@ class ThreadStatistics : public CHeapObj<mtInternal> {
   bool         _timer_pending_reset;
 
   // Keep accurate times for potentially recursive class operations
-  int           _perf_recursion_counts[6];
-  elapsedTimer  _perf_timers[6];
+  int           _perf_recursion_counts[PerfClassTraceTime::EVENT_TYPE_COUNT];
+  elapsedTimer  _perf_timers[PerfClassTraceTime::EVENT_TYPE_COUNT];
 
   // utility functions
   void  check_and_reset_count()            {