profile

flake.nix

@@ -103,7 +103,7 @@
         releaseMatrix = buildMatrix releaseTargets;
 
         devShells.default = mkShell {
-          nativeBuildInputs = with pkgs; [msrvToolchain rustc bacon cargo-msrv cargo-insta];
+          nativeBuildInputs = with pkgs; [msrvToolchain rustc bacon cargo-msrv cargo-insta samply];
         };
       }
     )

src/main.rs

@@ -24,6 +24,9 @@ mod ui;
 #[derive(Debug, Parser)]
 struct Args {
     file: String,
+    /// Collect data and exit, intended for profiling
+    #[arg(long)]
+    profile: bool,
 }
 
 fn main() -> MainResult {
@@ -111,6 +114,10 @@ fn main() -> MainResult {
         log_file: Mutex::new(log_file),
     };
 
+    if args.profile {
+        return Ok(());
+    }
+
     run_ui(app)?;
 
     Ok(())