src/share/vm/gc/shared/collectorCounters.hpp

*** 69,87 ****
    protected:
      CollectorCounters* _c;
  
    public:
      inline TraceCollectorStats(CollectorCounters* c) :
!            PerfTraceTimedEvent(c->time_counter(), c->invocation_counter()),
             _c(c) {
  
!       if (UsePerfData) {
           _c->last_entry_counter()->set_value(os::elapsed_counter());
        }
      }
  
      inline ~TraceCollectorStats() {
!       if (UsePerfData) _c->last_exit_counter()->set_value(os::elapsed_counter());
      }
  };
  
  #endif // SHARE_VM_GC_SHARED_COLLECTORCOUNTERS_HPP
--- 69,90 ----
    protected:
      CollectorCounters* _c;
  
    public:
      inline TraceCollectorStats(CollectorCounters* c) :
!            PerfTraceTimedEvent((c == NULL) ? NULL : c->time_counter(),
!                                (c == NULL) ? NULL : c->invocation_counter()),
             _c(c) {
  
!       if (UsePerfData && (_c != NULL)) {
           _c->last_entry_counter()->set_value(os::elapsed_counter());
        }
      }
  
      inline ~TraceCollectorStats() {
!       if (UsePerfData && (_c != NULL)) {
!         _c->last_exit_counter()->set_value(os::elapsed_counter());
!       }
      }
  };
  
  #endif // SHARE_VM_GC_SHARED_COLLECTORCOUNTERS_HPP