src/hotspot/share/runtime/perfData.cpp

@@ -294,11 +294,11 @@
    if (_all == nullptr) {
      _all = new PerfDataList(191);
      _has_PerfData = true;
    }
  
-   assert(!_all->contains(p->name()), "duplicate name added");
+   assert(!_all->contains(p->name()), "duplicate name added: %s", p->name());
  
    // add to the list of all perf data items
    _all->append(p);
  
    if (p->variability() == PerfData::V_Constant) {

@@ -525,10 +525,12 @@
    assert(copy != nullptr, "just checking");
  
    return copy;
  }
  
- PerfTraceTime::~PerfTraceTime() {
-   if (!UsePerfData) return;
-   _t.stop();
-   _timerp->inc(_t.ticks());
+ PerfTraceTimeBase::~PerfTraceTimeBase() {
+   if (!UsePerfData || !_t->is_active()) return;
+   if (_counter != nullptr) {
+     _t->stop();
+     _counter->inc(_t->ticks());
+   }
  }