3 files changed, 25 insertions, 5 deletions

diff --git a/editor/editor_file_system.cpp b/editor/editor_file_system.cpp
index 1a105c7fe8..bda2e283ef 100644
--- a/editor/editor_file_system.cpp
+++ b/editor/editor_file_system.cpp
@@ -1192,11 +1192,6 @@ void EditorFileSystem::scan_changes() {
 
 void EditorFileSystem::_notification(int p_what) {
 	switch (p_what) {
-		case NOTIFICATION_ENTER_TREE: {
-			call_deferred(SNAME("scan")); //this should happen after every editor node entered the tree
-
-		} break;
-
 		case NOTIFICATION_EXIT_TREE: {
 			Thread &active_thread = thread.is_started() ? thread : thread_sources;
 			if (use_threads && active_thread.is_started()) {
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 2941ae6695..05d9d65033 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -661,6 +661,7 @@ void EditorNode::_notification(int p_what) {
 
 			command_palette->register_shortcuts_as_command();
 
+			MessageQueue::get_singleton()->push_callable(callable_mp(this, &EditorNode::_begin_first_scan));
 			/* DO NOT LOAD SCENES HERE, WAIT FOR FILE SCANNING AND REIMPORT TO COMPLETE */
 		} break;
 
@@ -1043,6 +1044,8 @@ void EditorNode::_sources_changed(bool p_exist) {
 	if (waiting_for_first_scan) {
 		waiting_for_first_scan = false;
 
+		Engine::get_singleton()->startup_benchmark_end_measure(); // editor_scan_and_reimport
+
 		// Reload the global shader variables, but this time
 		// loading textures, as they are now properly imported.
 		RenderingServer::get_singleton()->global_shader_uniforms_load_settings(true);
@@ -1055,8 +1058,16 @@ void EditorNode::_sources_changed(bool p_exist) {
 		_load_docks();
 
 		if (!defer_load_scene.is_empty()) {
+			Engine::get_singleton()->startup_benchmark_begin_measure("editor_load_scene");
 			load_scene(defer_load_scene);
 			defer_load_scene = "";
+			Engine::get_singleton()->startup_benchmark_end_measure();
+
+			if (use_startup_benchmark) {
+				Engine::get_singleton()->startup_dump(startup_benchmark_file);
+				startup_benchmark_file = String();
+				use_startup_benchmark = false;
+			}
 		}
 	}
 }
@@ -4318,6 +4329,15 @@ void EditorNode::_editor_file_dialog_unregister(EditorFileDialog *p_dialog) {
 
 Vector<EditorNodeInitCallback> EditorNode::_init_callbacks;
 
+void EditorNode::_begin_first_scan() {
+	Engine::get_singleton()->startup_benchmark_begin_measure("editor_scan_and_import");
+	EditorFileSystem::get_singleton()->scan();
+}
+void EditorNode::set_use_startup_benchmark(bool p_use_startup_benchmark, const String &p_startup_benchmark_file) {
+	use_startup_benchmark = p_use_startup_benchmark;
+	startup_benchmark_file = p_startup_benchmark_file;
+}
+
 Error EditorNode::export_preset(const String &p_preset, const String &p_path, bool p_debug, bool p_pack_only) {
 	export_defer.preset = p_preset;
 	export_defer.path = p_path;
diff --git a/editor/editor_node.h b/editor/editor_node.h
index f7a102b4c7..a8f2ff9c67 100644
--- a/editor/editor_node.h
+++ b/editor/editor_node.h
@@ -682,6 +682,10 @@ private:
 	void _bottom_panel_switch(bool p_enable, int p_idx);
 	void _bottom_panel_raise_toggled(bool);
 
+	void _begin_first_scan();
+	bool use_startup_benchmark = false;
+	String startup_benchmark_file;
+
 protected:
 	friend class FileSystemDock;
 
@@ -816,6 +820,7 @@ public:
 
 	void _copy_warning(const String &p_str);
 
+	void set_use_startup_benchmark(bool p_use_startup_benchmark, const String &p_startup_benchmark_file);
 	Error export_preset(const String &p_preset, const String &p_path, bool p_debug, bool p_pack_only);
 
 	Control *get_gui_base() { return gui_base; }