Profile without ELF data

src/profiler.rs

@@ -134,13 +134,13 @@ async fn handle_event(event: ProfileEvent, session: &mut ProfilerSession) -> Res
     match event {
         ProfileEvent::Start { file_path } => session.start_profiling(file_path).await,
         ProfileEvent::Update { cycles, event } => {
-            session.track_elapsed_cycles(cycles)?;
+            session.track_elapsed_cycles(cycles);
             if let Some(event) = event {
                 session.track_event(event)?;
             }
-            Ok(())
         }
     }
+    Ok(())
 }
 
 fn handle_action(
@@ -199,8 +199,8 @@ impl ProfilerSession {
         }
     }
 
-    async fn start_profiling(&mut self, file_path: PathBuf) -> Result<()> {
-        let program = ProgramState::new(file_path).await?;
+    async fn start_profiling(&mut self, file_path: PathBuf) {
+        let program = ProgramState::new(file_path).await;
         let recording = if self.recording.is_some() {
             Some(Recording::new(&program))
         } else {
@@ -208,14 +208,12 @@ impl ProfilerSession {
         };
         self.program = Some(program);
         self.recording = recording;
-        Ok(())
     }
 
-    fn track_elapsed_cycles(&mut self, cycles: u32) -> Result<()> {
+    fn track_elapsed_cycles(&mut self, cycles: u32) {
         if let (Some(state), Some(recording)) = (&self.program, &mut self.recording) {
             recording.track_elapsed_cycles(state, cycles);
         }
-        Ok(())
     }
 
     fn track_event(&mut self, event: SimEvent) -> Result<()> {