Add support for profiling using tracy

Cargo.toml

@@ -57,6 +57,7 @@ libc = "0.2.149"
 xdg-user = "0.2.1"
 time = { version = "0.3.30", features = ["macros", "formatting", "local-offset"] }
 sanitize-filename = "0.5.0"
+profiling = { version = "1.0" }
 
 [dependencies.id_tree]
 git = "https://github.com/Drakulix/id-tree.git"
@@ -79,6 +80,7 @@ optional = true
 default = ["systemd"]
 systemd = ["libsystemd"]
 debug = ["egui", "egui_plot", "smithay-egui", "renderdoc", "puffin", "puffin_egui", "anyhow/backtrace"]
+profile-with-tracy = ["profiling/profile-with-tracy"]
 
 [profile.dev]
 lto = "thin"

src/backend/kms/mod.rs

@@ -1179,6 +1179,7 @@ fn get_surface_dmabuf_feedback(
 }
 
 impl Surface {
+    #[profiling::function]
     pub fn render_output(
         &mut self,
         api: &mut GpuManager<GbmGlesBackend<GlowRenderer>>,
@@ -1383,6 +1384,7 @@ impl KmsState {
         self.session.change_vt(num).map_err(Into::into)
     }
 
+    #[profiling::function]
     pub fn apply_config_for_output(
         &mut self,
         output: &Output,
@@ -1595,6 +1597,7 @@ impl KmsState {
         unreachable!()
     }
 
+    #[profiling::function]
     pub fn schedule_render(
         &mut self,
         loop_handle: &LoopHandle<'_, State>,
@@ -1677,6 +1680,8 @@ impl KmsState {
                                 )
                             };
 
+                            profiling::finish_frame!();
+
                             match result {
                                 Ok(_) => {
                                     trace!(?crtc, "Frame pending");

src/backend/render/mod.rs

@@ -835,6 +835,7 @@ where
     }
 }
 
+#[profiling::function]
 pub fn render_output<R, Target, OffTarget, Source>(
     gpu: Option<&DrmNode>,
     renderer: &mut R,
@@ -890,6 +891,7 @@ where
     result
 }
 
+#[profiling::function]
 pub fn render_workspace<R, Target, OffTarget, Source>(
     gpu: Option<&DrmNode>,
     renderer: &mut R,

src/backend/winit.rs

@@ -51,6 +51,7 @@ pub struct WinitState {
 }
 
 impl WinitState {
+    #[profiling::function]
     pub fn render_output(&mut self, state: &mut Common) -> Result<()> {
         self.backend
             .bind()
@@ -197,6 +198,7 @@ pub fn init_backend(
                     error!(?err, "Failed to render frame.");
                     render_ping.ping();
                 }
+                profiling::finish_frame!();
             })
             .map_err(|_| anyhow::anyhow!("Failed to init eventloop timer for winit"))?,
     );

src/main.rs

@@ -30,6 +30,11 @@ pub mod utils;
 pub mod wayland;
 pub mod xwayland;
 
+#[cfg(feature = "profile-with-tracy")]
+#[global_allocator]
+static GLOBAL: profiling::tracy_client::ProfiledAllocator<std::alloc::System> =
+    profiling::tracy_client::ProfiledAllocator::new(std::alloc::System, 10);
+
 fn main() -> Result<()> {
     // setup logger
     logger::init_logger()?;
@@ -60,6 +65,11 @@ fn main() -> Result<()> {
         warn!(?err, "Failed to watch theme");
     }
 
+    #[cfg(feature = "profile-with-tracy")]
+    profiling::tracy_client::Client::start();
+
+    profiling::register_thread!("Main Thread");
+
     // run the event loop
     event_loop.run(None, &mut state, |state| {
         // shall we shut down?

src/wayland/handlers/screencopy.rs

@@ -590,6 +590,7 @@ where
     Ok(())
 }
 
+#[profiling::function]
 pub fn render_session<F, R>(
     node: Option<DrmNode>,
     renderer: &mut R,
@@ -634,6 +635,7 @@ where
     }
 }
 
+#[profiling::function]
 pub fn render_output_to_buffer(
     state: &mut State,
     session: &Session,
@@ -764,6 +766,7 @@ pub fn render_output_to_buffer(
     }
 }
 
+#[profiling::function]
 pub fn render_workspace_to_buffer(
     state: &mut State,
     session: &Session,
@@ -913,6 +916,7 @@ smithay::render_elements! {
     CursorElement=cursor::CursorRenderElement<R>,
 }
 
+#[profiling::function]
 pub fn render_window_to_buffer(
     state: &mut State,
     session: &Session,