diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index d2990de..a80ea023 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -6118,8 +6118,13 @@
 
     // ---- End P Constants, all P constants go above this line ----
 
-    // First Q constant in master goes here:
-    // Please delete these lines and use 1500 for your first enum.
+    // Time since this notification last interrupted (visibly or audible) the user
+    NOTIFICATION_SINCE_INTERRUPTION_MILLIS = 1500;
+
+    // OPEN: Notification interrupted the user, either audibly or visually.
+    //   Tagged data: NOTIFICATION_SINCE_INTERRUPTION_MILLIS
+    // CATEGORY: NOTIFICATION
+    NOTIFICATION_INTERRUPTION = 1501;
 
     // ---- End Q Constants, all Q constants go above this line ----
 
diff --git a/services/core/java/com/android/server/notification/NotificationRecord.java b/services/core/java/com/android/server/notification/NotificationRecord.java
index 39d0bf5..75b9f13 100644
--- a/services/core/java/com/android/server/notification/NotificationRecord.java
+++ b/services/core/java/com/android/server/notification/NotificationRecord.java
@@ -128,6 +128,11 @@
     // The most recent update time, or the creation time if no updates.
     private long mUpdateTimeMs;
 
+    // The most recent interruption time, or the creation time if no updates. Differs from the
+    // above value because updates are filtered based on whether they actually interrupted the
+    // user
+    private long mInterruptionTimeMs;
+
     // Is this record an update of an old record?
     public boolean isUpdate;
     private int mPackagePriority;
@@ -180,6 +185,7 @@
         mRankingTimeMs = calculateRankingTimeMs(0L);
         mCreationTimeMs = sbn.getPostTime();
         mUpdateTimeMs = mCreationTimeMs;
+        mInterruptionTimeMs = mCreationTimeMs;
         mContext = context;
         stats = new NotificationUsageStats.SingleNotificationStats();
         mChannel = channel;
@@ -525,6 +531,7 @@
         pw.println(prefix + "mCreationTimeMs=" + mCreationTimeMs);
         pw.println(prefix + "mVisibleSinceMs=" + mVisibleSinceMs);
         pw.println(prefix + "mUpdateTimeMs=" + mUpdateTimeMs);
+        pw.println(prefix + "mInterruptionTimeMs=" + mInterruptionTimeMs);
         pw.println(prefix + "mSuppressedVisualEffects= " + mSuppressedVisualEffects);
         if (mPreChannelsNotification) {
             pw.println(prefix + String.format("defaults=0x%08x flags=0x%08x",
@@ -786,6 +793,10 @@
         return mVisibleSinceMs == 0 ? 0 : (int) (now - mVisibleSinceMs);
     }
 
+    public int getInterruptionMs(long now) {
+        return (int) (now - mInterruptionTimeMs);
+    }
+
     /**
      * Set the visibility of the notification.
      */
@@ -844,7 +855,7 @@
     public void setSeen() {
         mStats.setSeen();
         if (mTextChanged) {
-            mIsInterruptive = true;
+            setInterruptive(true);
         }
     }
 
@@ -940,6 +951,17 @@
 
     public void setInterruptive(boolean interruptive) {
         mIsInterruptive = interruptive;
+        final long now = System.currentTimeMillis();
+        mInterruptionTimeMs = interruptive ? now : mInterruptionTimeMs;
+
+        if (interruptive) {
+            MetricsLogger.action(getLogMaker()
+                    .setCategory(MetricsEvent.NOTIFICATION_INTERRUPTION)
+                    .setType(MetricsEvent.TYPE_OPEN)
+                    .addTaggedData(MetricsEvent.NOTIFICATION_SINCE_INTERRUPTION_MILLIS,
+                            getInterruptionMs(now)));
+            MetricsLogger.histogram(mContext, "note_interruptive", getInterruptionMs(now));
+        }
     }
 
     public void setTextChanged(boolean textChanged) {
@@ -1116,7 +1138,9 @@
                         sbn.getNotification().isGroupSummary() ? 1 : 0)
                 .addTaggedData(MetricsEvent.NOTIFICATION_SINCE_CREATE_MILLIS, getLifespanMs(now))
                 .addTaggedData(MetricsEvent.NOTIFICATION_SINCE_UPDATE_MILLIS, getFreshnessMs(now))
-                .addTaggedData(MetricsEvent.NOTIFICATION_SINCE_VISIBLE_MILLIS, getExposureMs(now));
+                .addTaggedData(MetricsEvent.NOTIFICATION_SINCE_VISIBLE_MILLIS, getExposureMs(now))
+                .addTaggedData(MetricsEvent.NOTIFICATION_SINCE_INTERRUPTION_MILLIS,
+                        getInterruptionMs(now));
     }
 
     public LogMaker getLogMaker() {