profile.yml

# Copied from Flavio W. Brasil's work on Kyo: https://github.com/fwbrasil/kyo
name: profile
on:
  release:
    types: [ created ]
  workflow_dispatch:

permissions:
  contents: write
  deployments: write

jobs:
  benchmark:
    name: Profile benchmarks
    runs-on: ubuntu-latest
    if: ${{ !github.event.pull_request.head.repo.fork }} # comes from https://github.com/orgs/community/discussions/25217#discussioncomment-3246904
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Setup Java
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: 21
          check-latest: true
      - name: Setup sbt
        uses: sbt/setup-sbt@v1
      - uses: coursier/cache-action@v6
      - uses: VirtusLab/scala-cli-setup@main
      - name: Use CI sbt jvmopts
        shell: bash
        run: |
          mv .jvmopts .jvmopts_old
          mv .jvmopts-ci .jvmopts
          cat .jvmopts

      - name: install async-profiler
        run: |
          ls -al
          cd /home/runner
          wget https://github.com/jvm-profiling-tools/async-profiler/releases/download/v2.9/async-profiler-2.9-linux-x64.tar.gz
          tar -xvzf async-profiler-2.9-linux-x64.tar.gz
          sudo mkdir -p /usr/java/packages/lib/
          sudo cp async-profiler-2.9-linux-x64/build/libasyncProfiler.so /usr/java/packages/lib/
          sudo sysctl kernel.perf_event_paranoid=1
          sudo sysctl kernel.kptr_restrict=0

      - name: run benchmarks
        run: |
          ls -al
          cd /home/runner/work/zio-kafka/zio-kafka/
          sbt "zioKafkaBench/Jmh/run -wi 10 -i 10 -r 1 -w 1 -t 1 -rf json -foe true -prof async:output=flamegraph"

      - name: Rollback - Use CI sbt jvmopts
        shell: bash
        run: |
          mv .jvmopts .jvmopts-ci
          mv .jvmopts_old .jvmopts
          cat .jvmopts

      - name: Store flame graphs
        run: |
          echo "Store flame graphs"
          echo "Collecting new flame graph"
          git config pull.rebase true
          read REV COMMIT_DATE COMMIT_TIME COMMIT_TZ COMMIT_MSG <<< \
            $(git log --pretty=format:'%h %ad %s' --date=iso8601 -n 1 ${{ github.event.pull_request.head.sha }})
          HTML_LINE="  <li>$COMMIT_DATE $COMMIT_TIME <a href=\"$REV\">Flame graphs for $REV</a> $COMMIT_MSG</li>"
          echo "::group::Content of zio-kafka-bench directory"
          ls -al zio-kafka-bench/
          echo "::endgroup::"
          mv zio-kafka-bench/zio.kafka.bench.* /tmp
          echo "::group::Checkout gh-pages branch"
          git clean -fdx
          git checkout gh-pages
          git pull
          git config --global user.name "zio-kafka CI"
          git config --global user.email "ziokafkaci@users.noreply.github.com"
          echo "::endgroup::"
          echo "Remove old flame graphs"
          scala-cli scripts/prune-flame-graph.sc
          echo "::group::Adding new flame graph"
          mkdir -p dev/profile/$REV
          mv /tmp/zio.kafka.bench.* dev/profile/$REV
          cd dev/profile
          find . -maxdepth 1 -type d \( ! -name . \) -exec bash -c "cd '{}' && tree -H . -o index.html" \;
          sed -i'' -e '/NEW-FLAME-GRAPHS-GO-HERE/a\'$'\n'"$HTML_LINE"$'\n' index.html
          cd ../../
          git add .
          git commit -m "Flame graphs for $REV"
          git push
          echo "::endgroup::"