diff --git a/services/surfaceflinger/Tracing/TransactionProtoParser.cpp b/services/surfaceflinger/Tracing/TransactionProtoParser.cpp
index 2f46487..475c76b 100644
--- a/services/surfaceflinger/Tracing/TransactionProtoParser.cpp
+++ b/services/surfaceflinger/Tracing/TransactionProtoParser.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <gui/SurfaceComposerClient.h>
+#include <renderengine/mock/FakeExternalTexture.h>
 #include <ui/Fence.h>
 #include <ui/Rect.h>
 
@@ -313,6 +314,14 @@
         ResolvedComposerState s;
         s.state.what = 0;
         fromProto(proto.layer_changes(i), s.state);
+        if (s.state.bufferData) {
+            s.externalTexture = std::make_shared<
+                    renderengine::mock::FakeExternalTexture>(s.state.bufferData->getWidth(),
+                                                             s.state.bufferData->getHeight(),
+                                                             s.state.bufferData->getId(),
+                                                             s.state.bufferData->getPixelFormat(),
+                                                             s.state.bufferData->getUsage());
+        }
         t.states.emplace_back(s);
     }
 
diff --git a/services/surfaceflinger/Tracing/tools/run.sh b/services/surfaceflinger/Tracing/tools/run.sh
index baa93f1..307a4d8 100644
--- a/services/surfaceflinger/Tracing/tools/run.sh
+++ b/services/surfaceflinger/Tracing/tools/run.sh
@@ -5,7 +5,15 @@
 # Build, push and run layertracegenerator
 $ANDROID_BUILD_TOP/build/soong/soong_ui.bash --make-mode layertracegenerator
 adb wait-for-device && adb push $OUT/system/bin/layertracegenerator /data/layertracegenerator
-echo "Writing transaction trace to file"
-adb shell service call SurfaceFlinger 1041 i32 0
-adb shell /data/layertracegenerator
+
+if [ -z "$1" ]
+  then
+    echo "Writing transaction trace to file"
+    adb shell service call SurfaceFlinger 1041 i32 0
+    adb shell /data/layertracegenerator
+  else
+    echo "Pushing transaction trace to device"
+    adb push $1 /data/transaction_trace.winscope
+    adb shell /data/layertracegenerator /data/transaction_trace.winscope
+fi
 adb pull /data/misc/wmtrace/layers_trace.winscope
\ No newline at end of file