diff --git a/services/core/java/com/android/server/wm/ActivityMetricsLogger.java b/services/core/java/com/android/server/wm/ActivityMetricsLogger.java
index 08d2e69846d37..f0de1d35f7904 100644
--- a/services/core/java/com/android/server/wm/ActivityMetricsLogger.java
+++ b/services/core/java/com/android/server/wm/ActivityMetricsLogger.java
@@ -1253,7 +1253,8 @@ class ActivityMetricsLogger {
                 info.mSourceEventDelayMs,
                 isIncremental,
                 isLoading,
-                info.mLastLaunchedActivity.info.name.hashCode());
+                info.mLastLaunchedActivity.info.name.hashCode(),
+                TimeUnit.NANOSECONDS.toMillis(info.mLaunchingState.mStartRealtimeNs));
 
         // Ends the trace started at the beginning of this function. This is located here to allow
         // the trace slice to have a noticable duration.