diff --git a/libs/util/include/psemek/util/profiler.hpp b/libs/util/include/psemek/util/profiler.hpp
index 57e5d565..758a2662 100644
--- a/libs/util/include/psemek/util/profiler.hpp
+++ b/libs/util/include/psemek/util/profiler.hpp
@@ -14,6 +14,13 @@ namespace psemek::util
 		~ profiler();
 
 		static void dump();
+		static void push(std::string const & name, std::chrono::duration<double> duration);
+
+		template <typename Duration>
+		static void push(std::string const & name, Duration duration)
+		{
+			push(name, std::chrono::duration_cast<std::chrono::duration<double>>(duration));
+		}
 
 	private:
 		util::clock<std::chrono::duration<double>, std::chrono::high_resolution_clock> clock_;
diff --git a/libs/util/source/profiler.cpp b/libs/util/source/profiler.cpp
index 02d184b3..3f918fbe 100644
--- a/libs/util/source/profiler.cpp
+++ b/libs/util/source/profiler.cpp
@@ -165,6 +165,25 @@ namespace psemek::util
 		current = current->parent;
 	}
 
+	void profiler::push(std::string const & name, std::chrono::duration<double> duration)
+	{
+		auto const id = std::this_thread::get_id();
+
+		if (!current)
+		{
+			std::lock_guard lock{roots_mutex};
+			current = &roots[id];
+			current->mutex = &thread_mutex[id];
+		}
+
+		std::lock_guard lock{*(current->mutex)};
+
+		auto child = &current->children[name];
+		child->parent = current;
+		child->mutex = current->mutex;
+		child->execution_time.push(duration.count());
+	}
+
 	void profiler::dump()
 	{
 		dump_impl(merged_tree(), 0);