prof_correctness.yml

name: Profiling correctness

on:
  - pull_request

jobs:
  prof-correctness:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
          submodules: true

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: '8.2'

      - name: Restore build cache
        uses: actions/cache/restore@v3
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Build profiler
        run: |
          echo "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-16 main" | sudo tee -a /etc/apt/sources.list
          echo "deb-src http://apt.llvm.org/jammy/ llvm-toolchain-jammy-16 main" | sudo tee -a /etc/apt/sources.list
          curl https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
          curl https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
          sudo apt remove -y clang-*
          sudo apt-get update
          sudo apt install -y clang-16
          cd profiling
          version_number=$(awk -F' = ' '$1 == "channel" { gsub(/"/, "", $2); print $2 }' rust-toolchain.toml)
          curl https://sh.rustup.rs -sSf | sh -s -- --profile minimal -y --default-toolchain "$version_number"
          cargo rustc --features="trigger_time_sample" --release --crate-type=cdylib

      - name: Cache build dependencies
        uses: actions/cache/save@v3
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Run no profile test
        run: |
          export DD_PROFILING_ENABLED=Off
          export DD_PROFILING_EXPERIMENTAL_FEATURES_ENABLED=1
          php -d extension=target/release/libdatadog_php_profiling.so --ri datadog-profiling
          for test_case in "allocations" "time" "strange_frames" "timeline" "exceptions"; do
              mkdir -p profiling/tests/correctness/"$test_case"/
              export DD_PROFILING_OUTPUT_PPROF=$PWD/profiling/tests/correctness/"$test_case"/test.pprof
              php -d extension=$PWD/target/release/libdatadog_php_profiling.so profiling/tests/correctness/"$test_case".php
              if [ -f "$DD_PROFILING_OUTPUT_PPROF".1.lz4 ]; then
                echo "File $DD_PROFILING_OUTPUT_PPROF.1.lz4 should not exist!"
                exit 1;
              fi
          done

      - name: Run tests
        run: |
          export DD_PROFILING_LOG_LEVEL=trace
          export DD_PROFILING_EXPERIMENTAL_FEATURES_ENABLED=1
          export DD_PROFILING_EXPERIMENTAL_EXCEPTION_SAMPLING_DISTANCE=1
          php -d extension=target/release/libdatadog_php_profiling.so --ri datadog-profiling
          for test_case in "allocations" "time" "strange_frames" "timeline" "exceptions"; do
              mkdir -p profiling/tests/correctness/"$test_case"/
              export DD_PROFILING_OUTPUT_PPROF=$PWD/profiling/tests/correctness/"$test_case"/test.pprof
              php -d extension=$PWD/target/release/libdatadog_php_profiling.so profiling/tests/correctness/"$test_case".php
              lz4 -d --rm "$DD_PROFILING_OUTPUT_PPROF".1.lz4 "$DD_PROFILING_OUTPUT_PPROF"
          done

      - name: Check profiler correctness for allocations
        uses: Datadog/prof-correctness/analyze@main
        with:
          expected_json: profiling/tests/correctness/allocations.json
          pprof_path: profiling/tests/correctness/allocations/

      - name: Check profiler correctness for time
        uses: Datadog/prof-correctness/analyze@main
        with:
          expected_json: profiling/tests/correctness/time.json
          pprof_path: profiling/tests/correctness/time/

      - name: Check profiler correctness for strange frames
        uses: Datadog/prof-correctness/analyze@main
        with:
          expected_json: profiling/tests/correctness/strange_frames.json
          pprof_path: profiling/tests/correctness/strange_frames/

      - name: Check profiler correctness for timeline
        uses: Datadog/prof-correctness/analyze@main
        with:
          expected_json: profiling/tests/correctness/timeline.json
          pprof_path: profiling/tests/correctness/timeline/

      - name: Check profiler correctness for exceptions
        uses: Datadog/prof-correctness/analyze@main
        with:
          expected_json: profiling/tests/correctness/exceptions.json
          pprof_path: profiling/tests/correctness/exceptions/