drm: profile frame finish

anvil/src/udev.rs

@@ -526,6 +526,7 @@ struct SurfaceCompositorRenderResult {
 }
 
 impl SurfaceComposition {
+    #[profiling::function]
     fn frame_submitted(&mut self) -> Result<Option<Option<OutputPresentationFeedback>>, SwapBuffersError> {
         match self {
             SurfaceComposition::Compositor(c) => c.frame_submitted().map_err(Into::<SwapBuffersError>::into),
@@ -788,6 +789,7 @@ impl AnvilState<UdevData> {
                 notifier,
                 move |event, metadata, data: &mut CalloopData<_>| match event {
                     DrmEvent::VBlank(crtc) => {
+                        profiling::scope!("vblank", &format!("{:?}:{crtc:?}", node.dev_path().unwrap()));
                         data.state.frame_finish(node, crtc, metadata);
                     }
                     DrmEvent::Error(error) => {
@@ -1081,6 +1083,11 @@ impl AnvilState<UdevData> {
     }
 
     fn frame_finish(&mut self, dev_id: DrmNode, crtc: crtc::Handle, metadata: &mut Option<DrmEventMetadata>) {
+        profiling::scope!(
+            "frame_finish",
+            &format!("{:?}:{crtc:?}", dev_id.dev_path().unwrap())
+        );
+
         let device_backend = match self.backend_data.backends.get_mut(&dev_id) {
             Some(backend) => backend,
             None => {

src/backend/drm/compositor/mod.rs

@@ -2434,6 +2434,7 @@ where
     /// *Note*: Needs to be called, after the vblank event of the matching [`DrmDevice`](super::super::DrmDevice)
     /// was received after calling [`DrmCompositor::queue_frame`] on this surface.
     /// Otherwise the underlying swapchain will run out of buffers eventually.
+    #[profiling::function]
     pub fn frame_submitted(&mut self) -> FrameResult<Option<U>, A, F> {
         if let Some((mut pending, user_data)) = self.pending_frame.take() {
             std::mem::swap(&mut pending, &mut self.current_frame);