debug: Add actual profiling for rendeirng

src/wayland/handlers/screencopy.rs

@@ -561,6 +561,9 @@ where
         DamageTrackedRendererError<R>,
     >,
 {
+    #[cfg(feature = "debug")]
+    puffin::profile_function!();
+
     let mut dtr = session
         .user_data()
         .get::<SessionDTR>()
@@ -861,6 +864,9 @@ pub fn render_window_to_buffer(
     params: BufferParams,
     window: &CosmicSurface,
 ) -> Result<bool, (FailureReason, anyhow::Error)> {
+    #[cfg(feature = "debug")]
+    puffin::profile_function!();
+
     let geometry = window.geometry();
     let buffer_size = buffer_dimensions(&params.buffer).unwrap();
     if buffer_size != geometry.size.to_buffer(1, Transform::Normal) {