add CI to detect performance regressions #7
Workflow file for this run
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| name: Performance Regression | |
| on: | |
| push: | |
| branches: [main] | |
| pull_request: | |
| branches: [main] | |
| jobs: | |
| build: | |
| name: Build ${{ matrix.name }} | |
| runs-on: ubuntu-latest | |
| strategy: | |
| matrix: | |
| include: | |
| - commit: ${{ github.sha }} | |
| name: current | |
| - commit: ${{ github.event_name == 'pull_request' && github.event.pull_request.base.sha || github.event.before }} | |
| name: previous | |
| steps: | |
| - name: Checkout ${{ matrix.name }} | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: ${{ matrix.commit }} | |
| - name: Cache base ref build | |
| uses: actions/cache@v4 | |
| id: cache | |
| with: | |
| key: bin-cache-${{ matrix.name }}-${{ matrix.commit }} | |
| path: target/release/cpp-linter | |
| - run: rustup update --no-self-update | |
| if: steps.cache.outputs.cache-hit != 'true' | |
| - run: cargo build --bin cpp-linter --release | |
| if: steps.cache.outputs.cache-hit != 'true' | |
| - name: Upload build artifact | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: ${{ matrix.name }} | |
| path: target/release/cpp-linter | |
| benchmark: | |
| name: Measure Performance Difference | |
| needs: [build] | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Checkout libgit2 | |
| uses: actions/checkout@v4 | |
| with: | |
| repository: libgit2/libgit2 | |
| ref: v1.8.1 | |
| path: libgit2 | |
| - name: Download built binaries | |
| uses: actions/download-artifact@v4 | |
| - name: Make binaries executable | |
| run: chmod +x ./*/cpp-linter | |
| - name: Generate compilation database | |
| working-directory: libgit2 | |
| run: | | |
| mkdir build && cd build | |
| cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON .. | |
| - name: Install cargo-binstall | |
| uses: cargo-bins/cargo-binstall@main | |
| - name: Install hyperfine | |
| run: cargo binstall -y hyperfine | |
| - name: Warmup and list files | |
| env: | |
| CPP_LINTER_COLOR: true | |
| working-directory: libgit2 | |
| # Use previous build for stability. This will | |
| # - create the .cpp-linter_cache folder | |
| # - list the files concerning the benchmark test | |
| # NOTE: This does not actually invoke clang tools. | |
| run: ../previous/cpp-linter -l 0 -p build -i='|!src/libgit2' -s="" -c="-*" | |
| - name: Run hyperfine tool | |
| # using the generated compilation database, | |
| # we will use cpp-linter (both builds) to scan libgit2 sources. | |
| working-directory: libgit2 | |
| run: >- | |
| hyperfine | |
| --runs 3 | |
| --style color | |
| --export-markdown '${{ runner.temp }}/benchmark.md' | |
| --export-json '${{ runner.temp }}/benchmark.json' | |
| --command-name=previous-build | |
| "../previous/cpp-linter -l 0 -p build -i='|!src/libgit2'" | |
| --command-name=current-build | |
| "../current/cpp-linter -l 0 -p build -i='|!src/libgit2'" | |
| - name: Append report to job summary | |
| run: cat ${{ runner.temp }}/benchmark.md >> $GITHUB_STEP_SUMMARY | |
| - name: Upload JSON results | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| path: ${{ runner.temp }}/benchmark.json | |
| - uses: actions/setup-python@v5 | |
| with: | |
| python-version: 3.x | |
| - name: Annotate summary | |
| run: python .github/workflows/bench.py "${{ runner.temp }}/benchmark.json" |