diff --git a/core/java/com/android/internal/widget/RemeasuringLinearLayout.java b/core/java/com/android/internal/widget/RemeasuringLinearLayout.java
index 7b154a5..80d1457 100644
--- a/core/java/com/android/internal/widget/RemeasuringLinearLayout.java
+++ b/core/java/com/android/internal/widget/RemeasuringLinearLayout.java
@@ -18,6 +18,7 @@
 
 import android.annotation.Nullable;
 import android.content.Context;
+import android.os.Trace;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.LinearLayout;
@@ -54,6 +55,7 @@
 
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        Trace.beginSection("RemeasuringLinearLayout#onMeasure");
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
         int count = getChildCount();
         int height = 0;
@@ -86,5 +88,6 @@
         }
         mMatchParentViews.clear();
         setMeasuredDimension(getMeasuredWidth(), height);
+        Trace.endSection();
     }
 }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardStatusView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardStatusView.java
index 83e23bd..8b9823b 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardStatusView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardStatusView.java
@@ -17,6 +17,7 @@
 package com.android.keyguard;
 
 import android.content.Context;
+import android.os.Trace;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
@@ -112,4 +113,11 @@
             mKeyguardSlice.dump(pw, args);
         }
     }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        Trace.beginSection("KeyguardStatusView#onMeasure");
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        Trace.endSection();
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/shade/NotificationShadeWindowView.java b/packages/SystemUI/src/com/android/systemui/shade/NotificationShadeWindowView.java
index e52170e..400b0ba 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/NotificationShadeWindowView.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/NotificationShadeWindowView.java
@@ -16,6 +16,7 @@
 
 package com.android.systemui.shade;
 
+import static android.os.Trace.TRACE_TAG_ALWAYS;
 import static android.view.WindowInsets.Type.systemBars;
 
 import static com.android.systemui.statusbar.phone.CentralSurfaces.DEBUG;
@@ -33,6 +34,7 @@
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.Trace;
 import android.util.AttributeSet;
 import android.view.ActionMode;
 import android.view.DisplayCutout;
@@ -299,6 +301,19 @@
         return mode;
     }
 
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        Trace.beginSection("NotificationShadeWindowView#onMeasure");
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        Trace.endSection();
+    }
+
+    @Override
+    public void requestLayout() {
+        Trace.instant(TRACE_TAG_ALWAYS, "NotificationShadeWindowView#requestLayout");
+        super.requestLayout();
+    }
+
     private class ActionModeCallback2Wrapper extends ActionMode.Callback2 {
         private final ActionMode.Callback mWrapped;
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
index 3021414..b93e150 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
@@ -135,6 +135,8 @@
 
     private static final String TAG = "ExpandableNotifRow";
     private static final boolean DEBUG = Compile.IS_DEBUG && Log.isLoggable(TAG, Log.DEBUG);
+    private static final boolean DEBUG_ONMEASURE =
+            Compile.IS_DEBUG && Log.isLoggable(TAG, Log.VERBOSE);
     private static final int DEFAULT_DIVIDER_ALPHA = 0x29;
     private static final int COLORED_DIVIDER_ALPHA = 0x7B;
     private static final int MENU_VIEW_INDEX = 0;
@@ -1724,6 +1726,11 @@
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         Trace.beginSection(appendTraceStyleTag("ExpNotRow#onMeasure"));
+        if (DEBUG_ONMEASURE) {
+            Log.d(TAG, "onMeasure("
+                    + "widthMeasureSpec=" + MeasureSpec.toString(widthMeasureSpec) + ", "
+                    + "heightMeasureSpec=" + MeasureSpec.toString(heightMeasureSpec) + ")");
+        }
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
         Trace.endSection();
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
index 645a02d..d43ca823 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
@@ -25,6 +25,7 @@
 import android.graphics.Path;
 import android.graphics.Path.Direction;
 import android.graphics.drawable.ColorDrawable;
+import android.os.Trace;
 import android.service.notification.StatusBarNotification;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -219,6 +220,7 @@
 
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        Trace.beginSection("NotificationChildrenContainer#onMeasure");
         int heightMode = MeasureSpec.getMode(heightMeasureSpec);
         boolean hasFixedHeight = heightMode == MeasureSpec.EXACTLY;
         boolean isHeightLimited = heightMode == MeasureSpec.AT_MOST;
@@ -267,6 +269,7 @@
         }
 
         setMeasuredDimension(width, height);
+        Trace.endSection();
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
index 2c3330e..41dbf1d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
@@ -16,6 +16,8 @@
 
 package com.android.systemui.statusbar.notification.stack;
 
+import static android.os.Trace.TRACE_TAG_ALWAYS;
+
 import static com.android.internal.jank.InteractionJankMonitor.CUJ_NOTIFICATION_SHADE_SCROLL_FLING;
 import static com.android.internal.jank.InteractionJankMonitor.CUJ_SHADE_CLEAR_ALL;
 import static com.android.systemui.statusbar.notification.stack.NotificationPriorityBucketKt.BUCKET_SILENT;
@@ -44,6 +46,7 @@
 import android.graphics.Path;
 import android.graphics.Rect;
 import android.os.Bundle;
+import android.os.Trace;
 import android.provider.Settings;
 import android.util.AttributeSet;
 import android.util.IndentingPrintWriter;
@@ -1074,6 +1077,12 @@
     @Override
     @ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        Trace.beginSection("NotificationStackScrollLayout#onMeasure");
+        if (SPEW) {
+            Log.d(TAG, "onMeasure("
+                    + "widthMeasureSpec=" + MeasureSpec.toString(widthMeasureSpec) + ", "
+                    + "heightMeasureSpec=" + MeasureSpec.toString(heightMeasureSpec) + ")");
+        }
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
 
         int width = MeasureSpec.getSize(widthMeasureSpec);
@@ -1090,6 +1099,13 @@
         for (int i = 0; i < size; i++) {
             measureChild(getChildAt(i), childWidthSpec, childHeightSpec);
         }
+        Trace.endSection();
+    }
+
+    @Override
+    public void requestLayout() {
+        Trace.instant(TRACE_TAG_ALWAYS, "NotificationStackScrollLayout#requestLayout");
+        super.requestLayout();
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
index 18877f9..7a49a49 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
@@ -26,6 +26,7 @@
 import android.graphics.Color;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
+import android.os.Trace;
 import android.util.AttributeSet;
 import android.util.Pair;
 import android.util.TypedValue;
@@ -527,4 +528,11 @@
         mClipRect.set(0, mTopClipping, getWidth(), getHeight());
         setClipBounds(mClipRect);
     }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        Trace.beginSection("KeyguardStatusBarView#onMeasure");
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        Trace.endSection();
+    }
 }