diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index aba5861..d1feada 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -3300,7 +3300,8 @@
                                       mPendingInputWindowCommands, transaction.desiredPresentTime,
                                       transaction.buffer, transaction.postTime,
                                       transaction.privileged, transaction.hasListenerCallbacks,
-                                      transaction.listenerCallbacks, /*isMainThread*/ true);
+                                      transaction.listenerCallbacks, /*originPID*/ -1,
+                                      /*originUID*/ -1, /*isMainThread*/ true);
                 transactionQueue.pop();
                 flushedATransaction = true;
             }
@@ -3388,9 +3389,13 @@
         return;
     }
 
+    IPCThreadState* ipc = IPCThreadState::self();
+    const int originPID = ipc->getCallingPid();
+    const int originUID = ipc->getCallingUid();
+
     applyTransactionState(states, displays, flags, inputWindowCommands, desiredPresentTime,
                           uncacheBuffer, postTime, privileged, hasListenerCallbacks,
-                          listenerCallbacks);
+                          listenerCallbacks, originPID, originUID, /*isMainThread*/ false);
 }
 
 void SurfaceFlinger::applyTransactionState(
@@ -3398,7 +3403,7 @@
         const InputWindowCommands& inputWindowCommands, const int64_t desiredPresentTime,
         const client_cache_t& uncacheBuffer, const int64_t postTime, bool privileged,
         bool hasListenerCallbacks, const std::vector<ListenerCallbacks>& listenerCallbacks,
-        bool isMainThread) {
+        int originPID, int originUID, bool isMainThread) {
     uint32_t transactionFlags = 0;
 
     if (flags & eAnimation) {
@@ -3490,7 +3495,8 @@
 
     if (transactionFlags) {
         if (mInterceptor->isEnabled()) {
-            mInterceptor->saveTransaction(states, mCurrentState.displays, displays, flags);
+            mInterceptor->saveTransaction(states, mCurrentState.displays, displays, flags,
+                                          originPID, originUID);
         }
 
         // TODO(b/159125966): Remove eEarlyWakeup completly as no client should use this flag
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 2c4e40d..02385f9 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -631,7 +631,8 @@
                                const client_cache_t& uncacheBuffer, const int64_t postTime,
                                bool privileged, bool hasListenerCallbacks,
                                const std::vector<ListenerCallbacks>& listenerCallbacks,
-                               bool isMainThread = false) REQUIRES(mStateLock);
+                               int originPID, int originUID, bool isMainThread = false)
+            REQUIRES(mStateLock);
     // Returns true if at least one transaction was flushed
     bool flushTransactionQueues();
     // Returns true if there is at least one transaction that needs to be flushed
diff --git a/services/surfaceflinger/SurfaceInterceptor.cpp b/services/surfaceflinger/SurfaceInterceptor.cpp
index 80102bd..a8504fb 100644
--- a/services/surfaceflinger/SurfaceInterceptor.cpp
+++ b/services/surfaceflinger/SurfaceInterceptor.cpp
@@ -221,6 +221,13 @@
     protoRect->set_bottom(rect.bottom);
 }
 
+void SurfaceInterceptor::setTransactionOriginLocked(Transaction* transaction, int32_t pid,
+                                                    int32_t uid) {
+    Origin* origin(transaction->mutable_origin());
+    origin->set_pid(pid);
+    origin->set_uid(uid);
+}
+
 void SurfaceInterceptor::addPositionLocked(Transaction* transaction, int32_t layerId,
         float x, float y)
 {
@@ -487,14 +494,16 @@
     }
 }
 
-void SurfaceInterceptor::addTransactionLocked(Increment* increment,
-        const Vector<ComposerState>& stateUpdates,
-        const DefaultKeyedVector< wp<IBinder>, DisplayDeviceState>& displays,
-        const Vector<DisplayState>& changedDisplays, uint32_t transactionFlags)
-{
+void SurfaceInterceptor::addTransactionLocked(
+        Increment* increment, const Vector<ComposerState>& stateUpdates,
+        const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
+        const Vector<DisplayState>& changedDisplays, uint32_t transactionFlags, int originPID,
+        int originUID) {
     Transaction* transaction(increment->mutable_transaction());
     transaction->set_synchronous(transactionFlags & BnSurfaceComposer::eSynchronous);
     transaction->set_animation(transactionFlags & BnSurfaceComposer::eAnimation);
+    setTransactionOriginLocked(transaction, originPID, originUID);
+
     for (const auto& compState: stateUpdates) {
         addSurfaceChangesLocked(transaction, compState.state);
     }
@@ -613,17 +622,17 @@
     powerModeUpdate->set_mode(mode);
 }
 
-void SurfaceInterceptor::saveTransaction(const Vector<ComposerState>& stateUpdates,
-        const DefaultKeyedVector< wp<IBinder>, DisplayDeviceState>& displays,
-        const Vector<DisplayState>& changedDisplays, uint32_t flags)
-{
+void SurfaceInterceptor::saveTransaction(
+        const Vector<ComposerState>& stateUpdates,
+        const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
+        const Vector<DisplayState>& changedDisplays, uint32_t flags, int originPID, int originUID) {
     if (!mEnabled || (stateUpdates.size() <= 0 && changedDisplays.size() <= 0)) {
         return;
     }
     ATRACE_CALL();
     std::lock_guard<std::mutex> protoGuard(mTraceMutex);
     addTransactionLocked(createTraceIncrementLocked(), stateUpdates, displays, changedDisplays,
-            flags);
+                         flags, originPID, originUID);
 }
 
 void SurfaceInterceptor::saveSurfaceCreation(const sp<const Layer>& layer) {
diff --git a/services/surfaceflinger/SurfaceInterceptor.h b/services/surfaceflinger/SurfaceInterceptor.h
index 896bdcc..1798b5a 100644
--- a/services/surfaceflinger/SurfaceInterceptor.h
+++ b/services/surfaceflinger/SurfaceInterceptor.h
@@ -62,7 +62,8 @@
     virtual void saveTransaction(
             const Vector<ComposerState>& stateUpdates,
             const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
-            const Vector<DisplayState>& changedDisplays, uint32_t flags) = 0;
+            const Vector<DisplayState>& changedDisplays, uint32_t flags, int originPID,
+            int originUID) = 0;
 
     // Intercept surface data
     virtual void saveSurfaceCreation(const sp<const Layer>& layer) = 0;
@@ -97,7 +98,8 @@
     // Intercept display and surface transactions
     void saveTransaction(const Vector<ComposerState>& stateUpdates,
                          const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
-                         const Vector<DisplayState>& changedDisplays, uint32_t flags) override;
+                         const Vector<DisplayState>& changedDisplays, uint32_t flags, int originPID,
+                         int originUID) override;
 
     // Intercept surface data
     void saveSurfaceCreation(const sp<const Layer>& layer) override;
@@ -160,8 +162,9 @@
             int32_t overrideScalingMode);
     void addSurfaceChangesLocked(Transaction* transaction, const layer_state_t& state);
     void addTransactionLocked(Increment* increment, const Vector<ComposerState>& stateUpdates,
-            const DefaultKeyedVector< wp<IBinder>, DisplayDeviceState>& displays,
-            const Vector<DisplayState>& changedDisplays, uint32_t transactionFlags);
+                              const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
+                              const Vector<DisplayState>& changedDisplays,
+                              uint32_t transactionFlags, int originPID, int originUID);
     void addReparentLocked(Transaction* transaction, int32_t layerId, int32_t parentId);
     void addReparentChildrenLocked(Transaction* transaction, int32_t layerId, int32_t parentId);
     void addDetachChildrenLocked(Transaction* transaction, int32_t layerId, bool detached);
@@ -182,6 +185,8 @@
     void addDisplayChangesLocked(Transaction* transaction,
             const DisplayState& state, int32_t sequenceId);
 
+    // Add transaction origin to trace
+    void setTransactionOriginLocked(Transaction* transaction, int32_t pid, int32_t uid);
 
     bool mEnabled {false};
     std::string mOutputFileName {DEFAULT_FILENAME};
diff --git a/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h b/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h
index 5beee1c..ccb7bb9 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h
@@ -33,10 +33,10 @@
                       const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>&));
     MOCK_METHOD0(disable, void());
     MOCK_METHOD0(isEnabled, bool());
-    MOCK_METHOD4(saveTransaction,
+    MOCK_METHOD6(saveTransaction,
                  void(const Vector<ComposerState>&,
                       const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>&,
-                      const Vector<DisplayState>&, uint32_t));
+                      const Vector<DisplayState>&, uint32_t, int, int));
     MOCK_METHOD1(saveSurfaceCreation, void(const sp<const Layer>&));
     MOCK_METHOD1(saveSurfaceDeletion, void(const sp<const Layer>&));
     MOCK_METHOD4(saveBufferUpdate, void(int32_t, uint32_t, uint32_t, uint64_t));