diff --git a/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java b/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java
index 5d1a61d4bd5d9..f017803d4cbf8 100644
--- a/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java
+++ b/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java
@@ -30,6 +30,9 @@ import com.android.systemui.recents.misc.SystemServicesProxy;
 import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+
 /**
  * Controls the docked stack divider.
  */
@@ -134,6 +137,13 @@ public class Divider extends SystemUI {
         mWindowManager.setTouchable(!mMinimized && !mAdjustedForIme);
     }
 
+    @Override
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        pw.print("  mVisible="); pw.println(mVisible);
+        pw.print("  mMinimized="); pw.println(mMinimized);
+        pw.print("  mAdjustedForIme="); pw.println(mAdjustedForIme);
+    }
+
     class DockDividerVisibilityListener extends IDockedStackListener.Stub {
 
         @Override
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index 037eb5add22d4..1fdc714dbf5af 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -603,6 +603,8 @@ class DisplayContent {
         }
         pw.println();
         mDimLayerController.dump(prefix + "  ", pw);
+        pw.println();
+        mDividerControllerLocked.dump(prefix + "  ", pw);
     }
 
     @Override
diff --git a/services/core/java/com/android/server/wm/DockedStackDividerController.java b/services/core/java/com/android/server/wm/DockedStackDividerController.java
index 45262d33ffb30..381449c162139 100644
--- a/services/core/java/com/android/server/wm/DockedStackDividerController.java
+++ b/services/core/java/com/android/server/wm/DockedStackDividerController.java
@@ -44,6 +44,7 @@ import android.view.animation.PathInterpolator;
 import com.android.server.wm.DimLayer.DimLayerUser;
 import com.android.server.wm.WindowManagerService.H;
 
+import java.io.PrintWriter;
 import java.util.ArrayList;
 
 /**
@@ -692,4 +693,16 @@ public class DockedStackDividerController implements DimLayerUser {
     WindowState getWindow() {
         return mWindow;
     }
+
+    void dump(String prefix, PrintWriter pw) {
+        pw.println(prefix + "DockedStackDividerController");
+        pw.println(prefix + "  mLastVisibility=" + mLastVisibility);
+        pw.println(prefix + "  mMinimizedDock=" + mMinimizedDock);
+        pw.println(prefix + "  mAdjustedForIme=" + mAdjustedForIme);
+        pw.println(prefix + "  mAdjustedForDivider=" + mAdjustedForDivider);
+        if (mDimLayer.isDimming()) {
+            pw.println(prefix + "  Dim layer is dimming: ");
+            mDimLayer.printTo(prefix + "    ", pw);
+        }
+    }
 }