diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index adb3152..a7ee793 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -761,6 +761,7 @@
     boolean mStartedActivity;
     private boolean mDestroyed;
     private boolean mDoReportFullyDrawn = true;
+    private boolean mRestoredFromBundle;
     /** true if the activity is going through a transient pause */
     /*package*/ boolean mTemporaryPause = false;
     /** true if the activity is being destroyed in order to recreate it with a new configuration */
@@ -1012,6 +1013,7 @@
         if (mVoiceInteractor != null) {
             mVoiceInteractor.attachActivity(this);
         }
+        mRestoredFromBundle = savedInstanceState != null;
         mCalled = true;
     }
 
@@ -1948,7 +1950,7 @@
         if (mDoReportFullyDrawn) {
             mDoReportFullyDrawn = false;
             try {
-                ActivityManager.getService().reportActivityFullyDrawn(mToken);
+                ActivityManager.getService().reportActivityFullyDrawn(mToken, mRestoredFromBundle);
             } catch (RemoteException e) {
             }
         }
diff --git a/core/java/android/app/IActivityManager.aidl b/core/java/android/app/IActivityManager.aidl
index fa9d7ca..897e42b 100644
--- a/core/java/android/app/IActivityManager.aidl
+++ b/core/java/android/app/IActivityManager.aidl
@@ -376,7 +376,7 @@
     boolean convertFromTranslucent(in IBinder token);
     boolean convertToTranslucent(in IBinder token, in Bundle options);
     void notifyActivityDrawn(in IBinder token);
-    void reportActivityFullyDrawn(in IBinder token);
+    void reportActivityFullyDrawn(in IBinder token, boolean restoredFromBundle);
     void restart();
     void performIdleMaintenance();
     void takePersistableUriPermission(in Uri uri, int modeFlags, int userId);
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 8d7afc2..0c787db 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -62,6 +62,14 @@
 
     // The action failed
     TYPE_FAILURE = 11;
+
+    // Type for APP_TRANSITION_REPORTED_DRAWN event: The activity was started without restoring from
+    // a bundle.
+    TYPE_TRANSITION_REPORTED_DRAWN_NO_BUNDLE = 12;
+
+    // Type for APP_TRANSITION_REPORTED_DRAWN event: The activity was started with restoring from
+    // a bundle.
+    TYPE_TRANSITION_REPORTED_DRAWN_WITH_BUNDLE = 13;
   }
 
   // Types of alerts, as bit field values
@@ -4265,6 +4273,14 @@
     // FIELD: The numeric preference value (of type int) when it is changed in Settings
     FIELD_SETTINGS_PREFERENCE_CHANGE_INT_VALUE = 1089;
 
+    // ACTION: Logged when the app has notified that it has fully drawn. See
+    // Activity.reportFullyDrawn().
+    APP_TRANSITION_REPORTED_DRAWN = 1090;
+
+    // FIELD: The delay of the activity reporting to be fully drawn measured from the beginning of
+    // the app transition.
+    APP_TRANSITION_REPORTED_DRAWN_MS = 1091;
+
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS
   }
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 1d860d6..d4114db 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -4896,13 +4896,13 @@
     }
 
     @Override
-    public void reportActivityFullyDrawn(IBinder token) {
+    public void reportActivityFullyDrawn(IBinder token, boolean restoredFromBundle) {
         synchronized (this) {
             ActivityRecord r = ActivityRecord.isInStackLocked(token);
             if (r == null) {
                 return;
             }
-            r.reportFullyDrawnLocked();
+            r.reportFullyDrawnLocked(restoredFromBundle);
         }
     }
 
diff --git a/services/core/java/com/android/server/am/ActivityMetricsLogger.java b/services/core/java/com/android/server/am/ActivityMetricsLogger.java
index 98815d7..31e7442 100644
--- a/services/core/java/com/android/server/am/ActivityMetricsLogger.java
+++ b/services/core/java/com/android/server/am/ActivityMetricsLogger.java
@@ -15,12 +15,17 @@
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_DELAY_MS;
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_DEVICE_UPTIME_SECONDS;
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_IS_EPHEMERAL;
+import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_PROCESS_RUNNING;
+import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_REPORTED_DRAWN;
+import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_REPORTED_DRAWN_MS;
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_STARTING_WINDOW_DELAY_MS;
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_WINDOWS_DRAWN_DELAY_MS;
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_CLASS_NAME;
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_INSTANT_APP_LAUNCH_TOKEN;
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.TYPE_TRANSITION_COLD_LAUNCH;
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.TYPE_TRANSITION_HOT_LAUNCH;
+import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.TYPE_TRANSITION_REPORTED_DRAWN_NO_BUNDLE;
+import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.TYPE_TRANSITION_REPORTED_DRAWN_WITH_BUNDLE;
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.TYPE_TRANSITION_WARM_LAUNCH;
 import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM;
 import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME;
@@ -67,12 +72,14 @@
     private final MetricsLogger mMetricsLogger = new MetricsLogger();
 
     private long mCurrentTransitionStartTime = INVALID_START_TIME;
+    private long mLastTransitionStartTime = INVALID_START_TIME;
 
     private int mCurrentTransitionDeviceUptime;
     private int mCurrentTransitionDelayMs;
     private boolean mLoggedTransitionStarting;
 
     private final SparseArray<StackTransitionInfo> mStackTransitionInfo = new SparseArray<>();
+    private final SparseArray<StackTransitionInfo> mLastStackTransitionInfo = new SparseArray<>();
 
     private final class StackTransitionInfo {
         private ActivityRecord launchedActivity;
@@ -136,6 +143,7 @@
     void notifyActivityLaunching() {
         if (!isAnyTransitionActive()) {
             mCurrentTransitionStartTime = SystemClock.uptimeMillis();
+            mLastTransitionStartTime = mCurrentTransitionStartTime;
         }
     }
 
@@ -223,7 +231,8 @@
         newInfo.launchedActivity = launchedActivity;
         newInfo.currentTransitionProcessRunning = processRunning;
         newInfo.startResult = resultCode;
-        mStackTransitionInfo.append(stackId, newInfo);
+        mStackTransitionInfo.put(stackId, newInfo);
+        mLastStackTransitionInfo.put(stackId, newInfo);
         mCurrentTransitionDeviceUptime = (int) (SystemClock.uptimeMillis() / 1000);
     }
 
@@ -388,6 +397,24 @@
         }
     }
 
+    void logAppTransitionReportedDrawn(ActivityRecord r, boolean restoredFromBundle) {
+        final StackTransitionInfo info = mLastStackTransitionInfo.get(r.getStackId());
+        if (info == null) {
+            return;
+        }
+        final LogMaker builder = new LogMaker(APP_TRANSITION_REPORTED_DRAWN);
+        builder.setPackageName(r.packageName);
+        builder.addTaggedData(FIELD_CLASS_NAME, r.info.name);
+        builder.addTaggedData(APP_TRANSITION_REPORTED_DRAWN_MS,
+                SystemClock.uptimeMillis() - mLastTransitionStartTime);
+        builder.setType(restoredFromBundle
+                ? TYPE_TRANSITION_REPORTED_DRAWN_WITH_BUNDLE
+                : TYPE_TRANSITION_REPORTED_DRAWN_NO_BUNDLE);
+        builder.addTaggedData(APP_TRANSITION_PROCESS_RUNNING,
+                info.currentTransitionProcessRunning ? 1 : 0);
+        mMetricsLogger.write(builder);
+    }
+
     private int getTransitionType(StackTransitionInfo info) {
         if (info.currentTransitionProcessRunning) {
             if (info.startResult == START_SUCCESS) {
diff --git a/services/core/java/com/android/server/am/ActivityRecord.java b/services/core/java/com/android/server/am/ActivityRecord.java
index 4a9b98d..b80785f 100644
--- a/services/core/java/com/android/server/am/ActivityRecord.java
+++ b/services/core/java/com/android/server/am/ActivityRecord.java
@@ -1834,7 +1834,7 @@
         }
     }
 
-    public void reportFullyDrawnLocked() {
+    public void reportFullyDrawnLocked(boolean restoredFromBundle) {
         final long curTime = SystemClock.uptimeMillis();
         if (displayStartTime != 0) {
             reportLaunchTimeLocked(curTime);
@@ -1867,6 +1867,8 @@
             }
             stack.mFullyDrawnStartTime = 0;
         }
+        mStackSupervisor.mActivityMetricsLogger.logAppTransitionReportedDrawn(this,
+                restoredFromBundle);
         fullyDrawnStartTime = 0;
     }