evaluate codspeed for perfs

Author: sylvestre

.github/workflows/codspeed.yml

@@ -0,0 +1,53 @@
+name: CodSpeed Benchmarks
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  benchmarks:
+    name: Run benchmarks
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          persist-credentials: false
+
+      - name: Install system dependencies
+        shell: bash
+        run: |
+          sudo apt-get -y update
+          sudo apt-get -y install libselinux1-dev
+
+      - uses: dtolnay/rust-toolchain@stable
+
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Run sccache-cache
+        uses: mozilla-actions/[email protected]
+
+      - name: Install cargo-codspeed
+        shell: bash
+        run: cargo install cargo-codspeed
+
+      - name: Build release binary
+        shell: bash
+        run: cargo build --release
+
+      - name: Run benchmarks
+        uses: CodSpeedHQ/action@v4
+        with:
+          mode: instrumentation
+          run: |
+            # Find all utilities with benchmarks and run them
+            find src/uu/*/benches/ -name "*.rs" 2>/dev/null | while read bench_file; do
+              crate_dir=$(dirname $(dirname "$bench_file"))
+              echo "Running benchmarks in $crate_dir"
+              (cd "$crate_dir" && cargo codspeed run)
+            done
+          token: ${{ secrets.CODSPEED_TOKEN }}

Cargo.lock

@@ -316,6 +316,7 @@ compare = "0.1.0"
 crossterm = "0.29.0"
 ctor = "0.5.0"
 ctrlc = { version = "3.4.7", features = ["termination"] }
+divan = "0.1"
 dns-lookup = { version = "3.0.0" }
 exacl = "0.12.0"
 file_diff = "1.0.0"

Cargo.toml

@@ -29,6 +29,14 @@ fluent = { workspace = true }
 nix = { workspace = true }
 libc = { workspace = true }
 
+[dev-dependencies]
+divan = { workspace = true }
+tempfile = { workspace = true }
+
 [[bin]]
 name = "wc"
 path = "src/main.rs"
+
+[[bench]]
+name = "wc_bench"
+harness = false