diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index f366df55be4c4..bdd541a2f0ac4 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -7881,6 +7881,10 @@ public class Activity extends ContextThemeWrapper
 
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     final void performCreate(Bundle icicle, PersistableBundle persistentState) {
+        if (Trace.isTagEnabled(Trace.TRACE_TAG_WINDOW_MANAGER)) {
+            Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "performCreate:"
+                    + mComponent.getClassName());
+        }
         dispatchActivityPreCreated(icicle);
         mCanEnterPictureInPicture = true;
         // initialize mIsInMultiWindowMode and mIsInPictureInPictureMode before onCreate
@@ -7903,6 +7907,7 @@ public class Activity extends ContextThemeWrapper
         mFragments.dispatchActivityCreated();
         mActivityTransitionState.setEnterActivityOptions(this, getActivityOptions());
         dispatchActivityPostCreated(icicle);
+        Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
     }
 
     final void performNewIntent(@NonNull Intent intent) {
@@ -8008,6 +8013,10 @@ public class Activity extends ContextThemeWrapper
     }
 
     final void performResume(boolean followedByPause, String reason) {
+        if (Trace.isTagEnabled(Trace.TRACE_TAG_WINDOW_MANAGER)) {
+            Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "performResume:"
+                    + mComponent.getClassName());
+        }
         dispatchActivityPreResumed();
         performRestart(true /* start */, reason);
 
@@ -8059,9 +8068,14 @@ public class Activity extends ContextThemeWrapper
                 " did not call through to super.onPostResume()");
         }
         dispatchActivityPostResumed();
+        Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
     }
 
     final void performPause() {
+        if (Trace.isTagEnabled(Trace.TRACE_TAG_WINDOW_MANAGER)) {
+            Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "performPause:"
+                    + mComponent.getClassName());
+        }
         dispatchActivityPrePaused();
         mDoReportFullyDrawn = false;
         mFragments.dispatchPause();
@@ -8077,6 +8091,7 @@ public class Activity extends ContextThemeWrapper
                     " did not call through to super.onPause()");
         }
         dispatchActivityPostPaused();
+        Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
     }
 
     final void performUserLeaving() {
@@ -8085,6 +8100,10 @@ public class Activity extends ContextThemeWrapper
     }
 
     final void performStop(boolean preserveWindow, String reason) {
+        if (Trace.isTagEnabled(Trace.TRACE_TAG_WINDOW_MANAGER)) {
+            Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "performStop:"
+                    + mComponent.getClassName());
+        }
         mDoReportFullyDrawn = false;
         mFragments.doLoaderStop(mChangingConfigurations /*retain*/);
 
@@ -8130,9 +8149,14 @@ public class Activity extends ContextThemeWrapper
             dispatchActivityPostStopped();
         }
         mResumed = false;
+        Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
     }
 
     final void performDestroy() {
+        if (Trace.isTagEnabled(Trace.TRACE_TAG_WINDOW_MANAGER)) {
+            Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "performDestroy:"
+                    + mComponent.getClassName());
+        }
         dispatchActivityPreDestroyed();
         mDestroyed = true;
         mWindow.destroy();
@@ -8145,6 +8169,7 @@ public class Activity extends ContextThemeWrapper
             mVoiceInteractor.detachActivity();
         }
         dispatchActivityPostDestroyed();
+        Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
     }
 
     final void dispatchMultiWindowModeChanged(boolean isInMultiWindowMode,