diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
index 92c55da6da..3e6def3dfa 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
@@ -111,6 +111,11 @@ public class QuickstepTestInformationHandler extends TestInformationHandler {
 
     @Override
     protected boolean isLauncherInitialized() {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
+                    "isLauncherInitialized.TouchInteractionService.isInitialized=" +
+                            TouchInteractionService.isInitialized());
+        }
         return super.isLauncherInitialized() && TouchInteractionService.isInitialized();
     }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
index 71568b3f14..9580149617 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
@@ -135,6 +135,9 @@ public class TouchInteractionService extends Service implements PluginListener<O
                 TouchInteractionService.this.initInputMonitor();
                 preloadOverview(true /* fromInit */);
             });
+            if (TestProtocol.sDebugTracing) {
+                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "TIS initialized");
+            }
             sIsInitialized = true;
         }
 
@@ -392,6 +395,9 @@ public class TouchInteractionService extends Service implements PluginListener<O
 
     @Override
     public void onDestroy() {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "TIS destroyed");
+        }
         sIsInitialized = false;
         if (mDeviceState.isUserUnlocked()) {
             mInputConsumer.unregisterInputConsumer();
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index cf978b52a1..04a7ecd826 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -56,6 +56,7 @@ import com.android.launcher3.pm.InstallSessionTracker;
 import com.android.launcher3.pm.PackageInstallInfo;
 import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.shortcuts.ShortcutRequest;
+import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.IntSparseArrayMap;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.LooperExecutor;
@@ -96,6 +97,10 @@ public class LauncherModel extends LauncherApps.Callback implements InstallSessi
     private boolean mModelLoaded;
     public boolean isModelLoaded() {
         synchronized (mLock) {
+            if (TestProtocol.sDebugTracing) {
+                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
+                        "isModelLoaded: " + mModelLoaded + ", " + mLoaderTask);
+            }
             return mModelLoaded && mLoaderTask == null;
         }
     }
@@ -368,6 +373,9 @@ public class LauncherModel extends LauncherApps.Callback implements InstallSessi
     public boolean stopLoader() {
         synchronized (mLock) {
             LoaderTask oldTask = mLoaderTask;
+            if (TestProtocol.sDebugTracing) {
+                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "LauncherModel.stopLoader");
+            }
             mLoaderTask = null;
             if (oldTask != null) {
                 oldTask.stopLocked();
@@ -381,6 +389,10 @@ public class LauncherModel extends LauncherApps.Callback implements InstallSessi
         synchronized (mLock) {
             stopLoader();
             mLoaderTask = new LoaderTask(mApp, mBgAllAppsList, mBgDataModel, results);
+            if (TestProtocol.sDebugTracing) {
+                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
+                        "LauncherModel.startLoaderForResults " + mLoaderTask);
+            }
 
             // Always post the loader task, instead of running directly (even on same thread) so
             // that we exit any nested synchronized blocks
@@ -482,6 +494,10 @@ public class LauncherModel extends LauncherApps.Callback implements InstallSessi
         public void close() {
             synchronized (mLock) {
                 // If we are still the last one to be scheduled, remove ourselves.
+                if (TestProtocol.sDebugTracing) {
+                    Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
+                            "LauncherModel.close " + mLoaderTask + ", " + mTask);
+                }
                 if (mLoaderTask == mTask) {
                     mLoaderTask = null;
                 }
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 571d41a54b..2a89d6d05b 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -76,6 +76,7 @@ import com.android.launcher3.qsb.QsbContainerView;
 import com.android.launcher3.shortcuts.ShortcutKey;
 import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.shortcuts.ShortcutRequest.QueryResult;
+import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IOUtils;
 import com.android.launcher3.util.LooperIdleLock;
@@ -168,15 +169,32 @@ public class LoaderTask implements Runnable {
     }
 
     public void run() {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
+                    "LoaderTask1 " + this);
+        }
         synchronized (this) {
             // Skip fast if we are already stopped.
             if (mStopped) {
                 return;
             }
         }
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
+                    "LoaderTask2 " + this);
+        }
 
         Object traceToken = TraceHelper.INSTANCE.beginSection(TAG);
-        TimingLogger logger = new TimingLogger(TAG, "run");
+        TimingLogger logger = TestProtocol.sDebugTracing ?
+                new TimingLogger(TAG, "run") {
+                    @Override
+                    public void addSplit(String splitLabel) {
+                        super.addSplit(splitLabel);
+                        Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
+                                "LoaderTask.addSplit " + splitLabel);
+                    }
+                }
+                : new TimingLogger(TAG, "run");
         try (LauncherModel.LoaderTransaction transaction = mApp.getModel().beginLoader(this)) {
             List<ShortcutInfo> allShortcuts = new ArrayList<>();
             loadWorkspace(allShortcuts);
@@ -260,6 +278,10 @@ public class LoaderTask implements Runnable {
             updateHandler.finish();
             logger.addSplit("finish icon update");
 
+            if (TestProtocol.sDebugTracing) {
+                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
+                        "LoaderTask3 " + this);
+            }
             transaction.commit();
         } catch (CancellationException e) {
             // Loader stopped, ignore
diff --git a/src/com/android/launcher3/testing/TestInformationHandler.java b/src/com/android/launcher3/testing/TestInformationHandler.java
index 506830d531..4af5e0a2ef 100644
--- a/src/com/android/launcher3/testing/TestInformationHandler.java
+++ b/src/com/android/launcher3/testing/TestInformationHandler.java
@@ -25,6 +25,7 @@ import android.graphics.Color;
 import android.os.Bundle;
 import android.os.Debug;
 import android.system.Os;
+import android.util.Log;
 import android.view.View;
 
 import androidx.annotation.Keep;
@@ -190,6 +191,11 @@ public class TestInformationHandler implements ResourceBasedOverride {
     }
 
     protected boolean isLauncherInitialized() {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
+                    "isLauncherInitialized " + Launcher.ACTIVITY_TRACKER.getCreatedActivity() + ", "
+                            + LauncherAppState.getInstance(mContext).getModel().isModelLoaded());
+        }
         return Launcher.ACTIVITY_TRACKER.getCreatedActivity() == null
                 || LauncherAppState.getInstance(mContext).getModel().isModelLoaded();
     }
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 01c207f907..2fd1b2ffc4 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -89,4 +89,5 @@ public final class TestProtocol {
 
     public static final String NO_BACKGROUND_TO_OVERVIEW_TAG = "b/138251824";
     public static final String APP_NOT_DISABLED = "b/139891609";
+    public static final String LAUNCHER_DIDNT_INITIALIZE = "b/148313079";
 }
diff --git a/src/com/android/launcher3/util/ActivityTracker.java b/src/com/android/launcher3/util/ActivityTracker.java
index 499f655df1..b83c8fca29 100644
--- a/src/com/android/launcher3/util/ActivityTracker.java
+++ b/src/com/android/launcher3/util/ActivityTracker.java
@@ -45,7 +45,13 @@ public final class ActivityTracker<T extends BaseActivity> implements Runnable {
     }
 
     public void onActivityDestroyed(T activity) {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "onActivityDestroyed");
+        }
         if (mCurrentActivity.get() == activity) {
+            if (TestProtocol.sDebugTracing) {
+                Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "onActivityDestroyed: clear");
+            }
             mCurrentActivity.clear();
         }
     }
@@ -110,6 +116,10 @@ public final class ActivityTracker<T extends BaseActivity> implements Runnable {
     }
 
     public boolean handleCreate(T activity) {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE,
+                    "ActivityTracker.handleCreate " + mCurrentActivity.get() + " => " + activity);
+        }
         mCurrentActivity = new WeakReference<>(activity);
         return handleIntent(activity, activity.getIntent(), false, false);
     }