diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 3057ed1..cb6dd8b 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1808,6 +1808,7 @@
     preComposition();
     rebuildLayerStacks();
     calculateWorkingSet();
+    long compositionTime = elapsedRealtimeNano();
     for (const auto& [token, display] : mDisplays) {
         beginFrame(display);
         prepareFrame(display);
@@ -1837,7 +1838,7 @@
     if (mVisibleRegionsDirty) {
         mVisibleRegionsDirty = false;
         if (mTracingEnabled) {
-            mTracing.notify("visibleRegionsDirty");
+            mTracing.notify(compositionTime, "visibleRegionsDirty");
         }
     }
 }