diff --git a/src/legion.rs b/src/legion.rs
index bc8383f..8fbf92e 100644
--- a/src/legion.rs
+++ b/src/legion.rs
@@ -30,6 +30,8 @@ pub fn build_renderer<T: RenderCallbacks>(
     resources: &mut Resources,
     builder: &mut Builder,
 ) {
+    puffin::profile_function!();
+
     let renderer = resources.get_mut::<Renderer>().unwrap();
     let viewport_info = resources.get::<ViewportInfo>().unwrap();
     let mesh_shaders = resources.get::<mesh::ShaderInfo>().unwrap();
@@ -78,7 +80,13 @@ fn render<T: RenderCallbacks>(
     #[resource] mesh_pass: &mut pass::RenderPassBox<mesh::MeshPass>,
     #[resource] debug_pass: &mut pass::RenderPassBox<debug::DebugPass>,
 ) {
-    let viewports = callbacks.get_viewports();
+    puffin::profile_function!();
+
+    let viewports = {
+        puffin::profile_scope!("RenderCallbacks::get_viewports()");
+        callbacks.get_viewports()
+    };
+
     if viewports.len() > 1 {
         eprintln!("Cyborg does not currently support more than one viewport at a time!");
         return;
@@ -92,6 +100,8 @@ fn render<T: RenderCallbacks>(
 
 #[system]
 fn present<T: RenderCallbacks>(#[resource] callbacks: &mut T) {
+    puffin::profile_function!();
+
     callbacks.present();
 }
 
@@ -101,6 +111,8 @@ fn draw_transformed_meshes(
     transform: &scene::Transform,
     mesh: &scene::Mesh,
 ) {
+    puffin::profile_function!();
+
     mesh_pass.add_transformed_meshes(&[mesh::TransformedMesh {
         transform: transform.transform,
         mesh: mesh.mesh,
@@ -113,6 +125,8 @@ fn draw_debug(
     #[resource] debug_pass: &pass::RenderPassBox<debug::DebugPass>,
     draw_list: &scene::DebugDrawList,
 ) {
+    puffin::profile_function!();
+
     debug_pass.add_draw_list(draw_list);
 }
 
@@ -122,6 +136,8 @@ fn draw_debug_transformed(
     world: &SubWorld,
     query: &mut Query<(&scene::DebugDrawList, &scene::Transform)>,
 ) {
+    puffin::profile_function!();
+
     query.par_iter_chunks(world).for_each(|draw_list_chunk| {
         let mut sub_list = scene::DebugDrawList::default();
         for (draw_list, transform) in draw_list_chunk {
diff --git a/src/lib.rs b/src/lib.rs
index c45bd91..110e9f2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -179,6 +179,8 @@ impl Renderer {
         target: &dyn Viewport,
         camera: &Camera,
     ) {
+        puffin::profile_function!();
+
         self.frame_index += 1;
         if self.frame_index >= self.frame_datas.len() {
             self.frame_index = 0;