rustfs/.github/workflows/samply.yml

name: Profile with Samply
on:
  push:
    branches: [ main ]
jobs:
  profile:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: llvm-tools-preview
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
      - run: cargo install samply
      - run: echo '1' | sudo tee /proc/sys/kernel/perf_event_paranoid
      - name: Create test volumes
        run: |
          for i in {0..4}; do
          mkdir -p ./target/volume/test$i
          done
      - name: Set RUSTFS_VOLUMES
        run: |
          export RUSTFS_VOLUMES="./target/volume/test{0...4}"
          echo "RUSTFS_VOLUMES=$RUSTFS_VOLUMES" >> $GITHUB_ENV
      - run: echo "RUSTFS_VOLUMES is $RUSTFS_VOLUMES"  # Debug output
      - run: RUSTFLAGS="-C force-frame-pointers=yes" cargo +nightly build --profile profiling -p rustfs --bins
      - run: samply record --output profile.json ./target/profiling/rustfs ${RUSTFS_VOLUMES}
      - uses: actions/upload-artifact@v4
        with:
          name: samply-profile
          path: profile.json