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src/share/vm/gc/shared/collectorCounters.hpp
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@@ -69,19 +69,22 @@
protected:
CollectorCounters* _c;
public:
inline TraceCollectorStats(CollectorCounters* c) :
- PerfTraceTimedEvent(c->time_counter(), c->invocation_counter()),
+ PerfTraceTimedEvent((c == NULL) ? NULL : c->time_counter(),
+ (c == NULL) ? NULL : c->invocation_counter()),
_c(c) {
- if (UsePerfData) {
+ if (UsePerfData && (_c != NULL)) {
_c->last_entry_counter()->set_value(os::elapsed_counter());
}
}
inline ~TraceCollectorStats() {
- if (UsePerfData) _c->last_exit_counter()->set_value(os::elapsed_counter());
+ if (UsePerfData && (_c != NULL)) {
+ _c->last_exit_counter()->set_value(os::elapsed_counter());
+ }
}
};
#endif // SHARE_VM_GC_SHARED_COLLECTORCOUNTERS_HPP
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