iai-callgrind support

autodeps/deps.nix

@@ -17,4 +17,5 @@
   "wgpu" = {runtime = ["vulkan-loader"];};
   "audiopus_sys" = {build = ["libopus"];};
   "unrar_sys" = {build = ["unrar"];};
+  "iai-callgrind" = {native = ["iai-callgrind-runner" "valgrind"];};
 }

autotools.nix

@@ -3,4 +3,5 @@
   "insta" = ["cargo-insta"];
   "esp-hal" = ["cargo-espflash" "cargo-espmonitor"];
   "wasm-bindgen" = ["wasm-pack" "wasm-bindgen-cli"];
+  "iai-callgrind" = ["iai-callgrind-runner" "valgrind"];
 }

flake.nix

@@ -19,6 +19,7 @@
   }:
     flakelight ./. {
       imports = [flakelight.flakelightModules.extendFlakelight];
+      withOverlays = [(import ./overlay.nix)];
       formatters = pkgs:
         with pkgs; {
           "*.nix" = pkgs.lib.getExe alejandra;
@@ -28,5 +29,8 @@
         inputs.crane = lib.mkDefault crane;
         inputs.rust-overlay = lib.mkDefault rust-overlay;
       };
+      packages = {
+        iai-callgrind-runner = pkgs: pkgs.iai-callgrind-runner;
+      };
     };
 }

mill-scale.nix

@@ -162,6 +162,7 @@ in
       (mkIf (pathExists config.cargoToml) {
         withOverlays = [
           (import inputs.rust-overlay)
+          (import ./overlay.nix)
           (final: {
               inputs,
               rust-bin,

overlay.nix

@@ -0,0 +1,3 @@
+prev: final: {
+  iai-callgrind-runner = final.callPackage ./pkgs/iai-callgrind-runner {};
+}

pkgs/iai-callgrind-runner/default.nix

@@ -0,0 +1,29 @@
+{
+  lib,
+  fetchFromGitHub,
+  rustPlatform,
+}:
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "iai-callgrind-runner";
+  version = "v0.15.2";
+
+  src = fetchFromGitHub {
+    owner = "iai-callgrind";
+    repo = "iai-callgrind";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-yOsO1qSkZ4OsAbdS6IqbY9bX6p3JPSxOuHa3W4UoPX8=";
+  };
+
+  cargoHash = "sha256-HvcSfLvZFJtkVFeu8DL2+e7PddJz/jJwh9aUtAV7gFY=";
+
+  buildAndTestSubdir = "iai-callgrind-runner";
+
+  doCheck = false;
+
+  meta = with lib; {
+    description = "High-precision and consistent benchmarking framework/harness for Rust";
+    homepage = "https://github.com/iai-callgrind/iai-callgrind";
+    license = licenses.mit;
+    mainProgram = "iai-callgrind-runner";
+  };
+})