UI: Profile initialization

obs/obs-app.cpp

@@ -24,7 +24,7 @@
 #include <util/bmem.h>
 #include <util/dstr.h>
 #include <util/platform.h>
-#include <util/profiler.h>
+#include <util/profiler.hpp>
 #include <obs-config.h>
 #include <obs.hpp>
 
@@ -354,6 +354,7 @@ bool OBSApp::InitGlobalConfig()
 
 bool OBSApp::InitLocale()
 {
+	ProfileScope("OBSApp::InitLocale");
 	const char *lang = config_get_string(globalConfig, "General",
 			"Language");
 
@@ -545,6 +546,8 @@ static void move_basic_to_scene_collections(void)
 
 void OBSApp::AppInit()
 {
+	ProfileScope("OBSApp::AppInit");
+
 	if (!InitApplicationBundle())
 		throw "Failed to initialize application bundle";
 	if (!MakeUserDirs())
@@ -583,6 +586,8 @@ const char *OBSApp::GetRenderModule() const
 
 bool OBSApp::OBSInit()
 {
+	ProfileScope("OBSApp::OBSInit");
+
 	bool licenseAccepted = config_get_bool(globalConfig, "General",
 			"LicenseAccepted");
 	OBSLicenseAgreement agreement(nullptr);
@@ -904,6 +909,7 @@ static auto ProfilerFree = [](void *)
 	profiler_free();
 };
 
+static const char *run_program_init = "run_program_init";
 static int run_program(fstream &logFile, int argc, char *argv[])
 {
 	int ret = -1;
@@ -915,6 +921,23 @@ static int run_program(fstream &logFile, int argc, char *argv[])
 				ProfilerFree);
 
 	profiler_start();
+	profile_register_root(run_program_init, 0);
+
+	auto PrintInitProfile = [&]()
+	{
+		auto snap = GetSnapshot();
+
+		profiler_snapshot_filter_roots(snap.get(), [](void *data,
+					const char *name, bool *remove)
+		{
+			*remove = (*static_cast<const char**>(data)) != name;
+			return true;
+		}, static_cast<void*>(&run_program_init));
+
+		profiler_print(snap.get());
+	};
+
+	ScopeProfiler prof{run_program_init};
 
 	QCoreApplication::addLibraryPath(".");
 
@@ -931,6 +954,9 @@ static int run_program(fstream &logFile, int argc, char *argv[])
 		if (!program.OBSInit())
 			return 0;
 
+		prof.Stop();
+		PrintInitProfile();
+
 		return program.exec();
 
 	} catch (const char *error) {

obs/window-basic-main.cpp

@@ -27,6 +27,7 @@
 #include <util/dstr.h>
 #include <util/util.hpp>
 #include <util/platform.h>
+#include <util/profiler.hpp>
 #include <graphics/math-defs.h>
 
 #include "obs-app.hpp"
@@ -577,6 +578,8 @@ bool OBSBasic::LoadService()
 
 bool OBSBasic::InitService()
 {
+	ProfileScope("OBSBasic::InitService");
+
 	if (LoadService())
 		return true;
 
@@ -728,6 +731,8 @@ bool OBSBasic::InitBasicConfigDefaults()
 
 bool OBSBasic::InitBasicConfig()
 {
+	ProfileScope("OBSBasic::InitBasicConfig");
+
 	char configPath[512];
 
 	int ret = GetProfilePath(configPath, sizeof(configPath), "");
@@ -766,6 +771,8 @@ bool OBSBasic::InitBasicConfig()
 
 void OBSBasic::InitOBSCallbacks()
 {
+	ProfileScope("OBSBasic::InitOBSCallbacks");
+
 	signalHandlers.reserve(signalHandlers.size() + 6);
 	signalHandlers.emplace_back(obs_get_signal_handler(), "source_add",
 			OBSBasic::SourceAdded, this);
@@ -783,6 +790,8 @@ void OBSBasic::InitOBSCallbacks()
 
 void OBSBasic::InitPrimitives()
 {
+	ProfileScope("OBSBasic::InitPrimitives");
+
 	obs_enter_graphics();
 
 	gs_render_start(true);
@@ -805,6 +814,8 @@ void OBSBasic::InitPrimitives()
 
 void OBSBasic::ResetOutputs()
 {
+	ProfileScope("OBSBasic::ResetOutputs");
+
 	const char *mode = config_get_string(basicConfig, "Output", "Mode");
 	bool advOut = astrcmpi(mode, "Advanced") == 0;
 
@@ -823,6 +834,8 @@ void OBSBasic::ResetOutputs()
 
 void OBSBasic::OBSInit()
 {
+	ProfileScope("OBSBasic::OBSInit");
+
 	const char *sceneCollection = config_get_string(App()->GlobalConfig(),
 			"Basic", "SceneCollectionFile");
 	char savePath[512];
@@ -878,9 +891,12 @@ void OBSBasic::OBSInit()
 
 	InitPrimitives();
 
-	disableSaving--;
-	Load(savePath);
-	disableSaving++;
+	{
+		ProfileScope("OBSBasic::Load");
+		disableSaving--;
+		Load(savePath);
+		disableSaving++;
+	}
 
 	TimedCheckForUpdates();
 	loaded = true;
@@ -921,6 +937,8 @@ void OBSBasic::OBSInit()
 
 void OBSBasic::InitHotkeys()
 {
+	ProfileScope("OBSBasic::InitHotkeys");
+
 	struct obs_hotkeys_translations t = {};
 	t.insert                       = Str("Hotkeys.Insert");
 	t.del                          = Str("Hotkeys.Delete");
@@ -986,6 +1004,8 @@ void OBSBasic::HotkeyTriggered(void *data, obs_hotkey_id id, bool pressed)
 
 void OBSBasic::CreateHotkeys()
 {
+	ProfileScope("OBSBasic::CreateHotkeys");
+
 	auto LoadHotkeyData = [&](const char *name) -> OBSData
 	{
 		const char *info = config_get_string(basicConfig,
@@ -2001,6 +2021,8 @@ static inline enum video_format GetVideoFormatFromName(const char *name)
 
 int OBSBasic::ResetVideo()
 {
+	ProfileScope("OBSBasic::ResetVideo");
+
 	struct obs_video_info ovi;
 	int ret;
 
@@ -2052,6 +2074,8 @@ int OBSBasic::ResetVideo()
 
 bool OBSBasic::ResetAudio()
 {
+	ProfileScope("OBSBasic::ResetAudio");
+
 	struct obs_audio_info ai;
 	ai.samples_per_sec = config_get_uint(basicConfig, "Audio",
 			"SampleRate");