diff --git a/libs/prof/include/psemek/prof/profiler.hpp b/libs/prof/include/psemek/prof/profiler.hpp
index 0c569b08..25f61f05 100644
--- a/libs/prof/include/psemek/prof/profiler.hpp
+++ b/libs/prof/include/psemek/prof/profiler.hpp
@@ -16,7 +16,9 @@ namespace psemek::prof
 
 		~ profiler();
 
+		static void start_frame(std::string const & name);
 		static void push(std::string const & name, std::chrono::duration<double> duration);
+		static void end_frame(std::chrono::duration<double> duration);
 
 		template <typename Duration>
 		static void push(std::string const & name, Duration duration)
diff --git a/libs/prof/source/profiler.cpp b/libs/prof/source/profiler.cpp
index b2bf2086..b48d58c8 100644
--- a/libs/prof/source/profiler.cpp
+++ b/libs/prof/source/profiler.cpp
@@ -191,6 +191,14 @@ namespace psemek::prof
 		current = current->parent;
 	}
 
+	void profiler::start_frame(std::string const & name)
+	{
+		get_current();
+
+		std::lock_guard lock{*(current->mutex)};
+		current = current->child(name);
+	}
+
 	void profiler::push(std::string const & name, std::chrono::duration<double> duration)
 	{
 		get_current();
@@ -199,4 +207,11 @@ namespace psemek::prof
 		current->child(name)->execution_time.push(duration.count());
 	}
 
+	void profiler::end_frame(std::chrono::duration<double> duration)
+	{
+		std::lock_guard lock{*(current->mutex)};
+		current->execution_time.push(duration.count());
+		current = current->parent;
+	}
+
 }