diff --git a/modules/v4d/include/opencv2/v4d/v4d.hpp b/modules/v4d/include/opencv2/v4d/v4d.hpp
index af0398213..ba785dab1 100644
--- a/modules/v4d/include/opencv2/v4d/v4d.hpp
+++ b/modules/v4d/include/opencv2/v4d/v4d.hpp
@@ -15,7 +15,7 @@
 #include "sink.hpp"
 #include "util.hpp"
 #include "nvg.hpp"
-#include "detail/backend.hpp"
+#include "detail/transaction.hpp"
 #include "detail/threadpool.hpp"
 #include "detail/gl.hpp"
 #include "detail/framebuffercontext.hpp"
@@ -282,9 +282,11 @@ public:
 			}
 
 			if (!(n->tx_->hasCondition()) && isEnabled) {
-				n->tx_->getContext()->execute([=]() {
+				n->tx_->getContext()->execute([n]() {
 //					cout << "run: " << std::this_thread::get_id() << " " << n->name_ << ": " << isEnabled << endl;
-					n->tx_->perform();
+				    TimeTracker::getInstance()->execute(n->name_, [n](){
+				    	n->tx_->perform();
+				    });
 				});
 			}
 		}
diff --git a/modules/v4d/src/detail/imguicontext.cpp b/modules/v4d/src/detail/imguicontext.cpp
index 44852e320..c1568767b 100644
--- a/modules/v4d/src/detail/imguicontext.cpp
+++ b/modules/v4d/src/detail/imguicontext.cpp
@@ -76,7 +76,16 @@ void ImGuiContextImpl::render(bool showFPS) {
             ImGui::Text("%.3f ms/frame (%.1f FPS)", (1000.0f / Global::fps()) , Global::fps());
             ImGui::End();
             ImGui::PopStyleColor(1);
-
+            std::stringstream ss;
+            TimeTracker::getInstance()->print(ss);
+            std::string line;
+            ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0.0f, 0.0f, 0.0f, 0.5f));
+            ImGui::Begin("Time Tracking");
+            while(getline(ss, line)) {
+                ImGui::Text("%s", line.c_str());
+            }
+            ImGui::End();
+            ImGui::PopStyleColor(1);
         }
         if (renderCallback_)
             renderCallback_(context_);
diff --git a/modules/v4d/src/v4d.cpp b/modules/v4d/src/v4d.cpp
index 934d960e1..a80f1fa13 100644
--- a/modules/v4d/src/v4d.cpp
+++ b/modules/v4d/src/v4d.cpp
@@ -160,15 +160,11 @@ size_t V4D::numGlCtx() {
 }
 
 void V4D::copyTo(cv::UMat& m) {
-    TimeTracker::getInstance()->execute("copyTo", [this, &m](){
-        fbCtx()->copyTo(m);
-    });
+	fbCtx()->copyTo(m);
 }
 
 void V4D::copyFrom(const cv::UMat& m) {
-    TimeTracker::getInstance()->execute("copyTo", [this, &m](){
-        fbCtx()->copyFrom(m);
-    });
+	fbCtx()->copyFrom(m);
 }
 
 void V4D::setSource(cv::Ptr<Source> src) {