1 files changed, 3 insertions, 1 deletions
diff --git a/statsd/src/matchers/EventMatcherWizard.h b/statsd/src/matchers/EventMatcherWizard.h
index d346b5f5..7bd4529c 100644
--- a/statsd/src/matchers/EventMatcherWizard.h
+++ b/statsd/src/matchers/EventMatcherWizard.h
@@ -26,7 +26,8 @@ class EventMatcherWizard : public virtual RefBase {
 public:
     EventMatcherWizard(){};  // for testing
     EventMatcherWizard(const std::vector<sp<AtomMatchingTracker>>& eventTrackers)
-        : mAllEventMatchers(eventTrackers){};
+        : mAllEventMatchers(eventTrackers),
+          mMatcherCache(eventTrackers.size(), MatchingState::kNotComputed){};
 
     virtual ~EventMatcherWizard(){};
 
@@ -34,6 +35,7 @@ public:
 
 private:
     std::vector<sp<AtomMatchingTracker>> mAllEventMatchers;
+    std::vector<MatchingState> mMatcherCache;
 };
 
 }  // namespace statsd