diff --git a/services/core/java/com/android/server/policy/keyguard/KeyguardServiceDelegate.java b/services/core/java/com/android/server/policy/keyguard/KeyguardServiceDelegate.java
index 3baaa9d..45d2e3c 100644
--- a/services/core/java/com/android/server/policy/keyguard/KeyguardServiceDelegate.java
+++ b/services/core/java/com/android/server/policy/keyguard/KeyguardServiceDelegate.java
@@ -29,6 +29,7 @@
 import com.android.internal.policy.IKeyguardService;
 import com.android.server.UiThread;
 import com.android.server.policy.WindowManagerPolicy.OnKeyguardExitResult;
+import com.android.server.wm.EventLogTags;
 
 import java.io.PrintWriter;
 
@@ -257,6 +258,11 @@
     public void setOccluded(boolean isOccluded, boolean animate, boolean notify) {
         if (mKeyguardService != null && notify) {
             if (DEBUG) Log.v(TAG, "setOccluded(" + isOccluded + ") animate=" + animate);
+            EventLogTags.writeWmSetKeyguardOccluded(
+                    isOccluded ? 1 : 0,
+                    animate ? 1 : 0,
+                    0 /* transit */,
+                    "setOccluded");
             mKeyguardService.setOccluded(isOccluded, animate);
         }
         mKeyguardState.occluded = isOccluded;
diff --git a/services/core/java/com/android/server/wm/EventLogTags.logtags b/services/core/java/com/android/server/wm/EventLogTags.logtags
index 48ce22e..385d914 100644
--- a/services/core/java/com/android/server/wm/EventLogTags.logtags
+++ b/services/core/java/com/android/server/wm/EventLogTags.logtags
@@ -52,7 +52,7 @@
 30066 wm_add_to_stopping (User|1|5),(Token|1|5),(Component Name|3),(Reason|3)
 
 # Keyguard status changed
-30067 wm_set_keyguard_shown (Display Id|1|5),(keyguardShowing|1),(aodShowing|1),(keyguardGoingAway|1),(Reason|3)
+30067 wm_set_keyguard_shown (Display Id|1|5),(keyguardShowing|1),(aodShowing|1),(keyguardGoingAway|1),(occluded|1),(Reason|3)
 
 # Out of memory for surfaces.
 31000 wm_no_surface_memory (Window|3),(PID|1|5),(Operation|3)
@@ -68,6 +68,8 @@
 
 # bootanim finished:
 31007 wm_boot_animation_done (time|2|3)
+# Notify keyguard occlude statuc change to SysUI.
+31008 wm_set_keyguard_occluded (occluded|1),(animate|1),(transit|1),(Channel|3)
 
 # Request surface flinger to show / hide the wallpaper surface.
 33001 wm_wallpaper_surface (Display Id|1|5),(Visible|1),(Target|3)
diff --git a/services/core/java/com/android/server/wm/KeyguardController.java b/services/core/java/com/android/server/wm/KeyguardController.java
index 1d21b9d..574ab83 100644
--- a/services/core/java/com/android/server/wm/KeyguardController.java
+++ b/services/core/java/com/android/server/wm/KeyguardController.java
@@ -188,6 +188,7 @@
                 keyguardShowing ? 1 : 0,
                 aodShowing ? 1 : 0,
                 state.mKeyguardGoingAway ? 1 : 0,
+                state.mOccluded ? 1 : 0,
                 "setKeyguardShown");
 
         // Update the task snapshot if the screen will not be turned off. To make sure that the
@@ -255,9 +256,10 @@
         try {
             EventLogTags.writeWmSetKeyguardShown(
                     displayId,
-                    1 /* keyguardShowing */,
+                    state.mKeyguardShowing ? 1 : 0,
                     state.mAodShowing ? 1 : 0,
                     1 /* keyguardGoingAway */,
+                    state.mOccluded ? 1 : 0,
                     "keyguardGoingAway");
             final int transitFlags = convertTransitFlags(flags);
             final DisplayContent dc = mRootWindowContainer.getDefaultDisplay();
@@ -671,6 +673,15 @@
 
             boolean hasChange = false;
             if (lastOccluded != mOccluded) {
+                if (mDisplayId == DEFAULT_DISPLAY) {
+                    EventLogTags.writeWmSetKeyguardShown(
+                            mDisplayId,
+                            mKeyguardShowing ? 1 : 0,
+                            mAodShowing ? 1 : 0,
+                            mKeyguardGoingAway ? 1 : 0,
+                            mOccluded ? 1 : 0,
+                            "updateVisibility");
+                }
                 controller.handleOccludedChanged(mDisplayId, mTopOccludesActivity);
                 hasChange = true;
             } else if (!lastKeyguardGoingAway && mKeyguardGoingAway) {
diff --git a/services/core/java/com/android/server/wm/RemoteAnimationController.java b/services/core/java/com/android/server/wm/RemoteAnimationController.java
index 3635ebb..b879d1a 100644
--- a/services/core/java/com/android/server/wm/RemoteAnimationController.java
+++ b/services/core/java/com/android/server/wm/RemoteAnimationController.java
@@ -16,6 +16,8 @@
 
 package com.android.server.wm;
 
+import static android.view.WindowManager.TRANSIT_OLD_KEYGUARD_UNOCCLUDE;
+
 import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_REMOTE_ANIMATIONS;
 import static com.android.server.wm.AnimationAdapterProto.REMOTE;
 import static com.android.server.wm.RemoteAnimationAdapterWrapperProto.TARGET;
@@ -195,6 +197,13 @@
                                 + " transit=%s, apps=%d, wallpapers=%d, nonApps=%d",
                         AppTransition.appTransitionOldToString(transit), appTargets.length,
                         wallpaperTargets.length, nonAppTargets.length);
+                if (AppTransition.isKeyguardOccludeTransitOld(transit)) {
+                    EventLogTags.writeWmSetKeyguardOccluded(
+                            transit == TRANSIT_OLD_KEYGUARD_UNOCCLUDE ? 0 : 1,
+                            1 /* animate */,
+                            transit,
+                            "onAnimationStart");
+                }
                 mRemoteAnimationAdapter.getRunner().onAnimationStart(transit, appTargets,
                         wallpaperTargets, nonAppTargets, mFinishedCallback);
             } catch (RemoteException e) {
@@ -356,6 +365,11 @@
         final boolean isKeyguardOccluded = mDisplayContent.isKeyguardOccluded();
 
         try {
+            EventLogTags.writeWmSetKeyguardOccluded(
+                    isKeyguardOccluded ? 1 : 0,
+                    0 /* animate */,
+                    0 /* transit */,
+                    "onAnimationCancelled");
             mRemoteAnimationAdapter.getRunner().onAnimationCancelled(isKeyguardOccluded);
         } catch (RemoteException e) {
             Slog.e(TAG, "Failed to notify cancel", e);