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CI - Perf

CI - Perf #135

Workflow file for this run

name: CI - Perf
# EXPERIMENTAL: This workflow is running with --tolerate-failure flag for phpbench
# This is to gather data for a future historical interleaving of performance benchmarks.
on:
# Run once per day no matter what
schedule:
- cron: '0 0 * * *'
# Run on push to main, so we get a data point every merge
push:
branches:
- main
# Allow manual triggering with rebaseline option
workflow_dispatch:
inputs:
baseline:
description: 'Baseline mode. latest: compare against latest benchmarks; rebaseline: store new baseline.'
type: choice
default: 'latest'
options:
- 'latest'
- 'rebaseline'
pull:
description: 'Pull request number to benchmark (optional)'
required: false
jobs:
pr-benchmarks:
name: PR Benchmarks
if: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.pull }}
runs-on: ubuntu-latest
env:
BENCHMARK_SHA: ${{ github.sha }}
permissions:
contents: read
steps:
- uses: actions/checkout@v6
with:
persist-credentials: false
- name: Checkout PR head
run: |
set -euo pipefail
PR=${{ github.event.inputs.pull }}
# Validate that PR is numeric to avoid injection or unexpected ref resolution
if ! printf '%s\n' "$PR" | grep -Eq '^[0-9]+$'; then
echo "Invalid pull request number: '$PR'. Expected a numeric value." >&2
exit 1
fi
# fetch the pull request head (works for forks)
git fetch origin "pull/${PR}/head:pr-${PR}" || git fetch origin "+refs/pull/${PR}/head:pr-${PR}"
git checkout "pr-${PR}"
echo "Checked out PR #${PR}"
echo "BENCHMARK_SHA=$(git rev-parse --verify HEAD)" >> "$GITHUB_ENV"
- uses: ./.github/actions/setup-action
with:
extensions: xdebug
- name: Fetch Benchmarks
run: |
git fetch origin benchmarks
mkdir -p .phpbench
git checkout origin/benchmarks -- .phpbench || echo "No previous benchmarks found"
- name: Run Benchmarks
run: |
# Baseline does not exist or rebaseline requested. Generate it.
if [ -z "$(ls -A .phpbench)" ] || [ "${{ github.event.inputs.baseline || 'latest' }}" = "rebaseline" ]; then
vendor/bin/phpbench run --report=aggregate --progress=plain --store --tag=${BENCHMARK_SHA}
# Baseline exists. Compare against it.
else
vendor/bin/phpbench run --report=aggregate --progress=plain --store --tag=${BENCHMARK_SHA} --ref=latest --tolerate-failure
fi
# Generate report for human consumption
vendor/bin/phpbench report --report=aggregate --ref=latest |
tail -n+2 | head -n-2 | tr '+' '|' > report.md
cat report.md > "$GITHUB_STEP_SUMMARY"
historical-benchmarks:
name: Historical Benchmarks
if: >-
github.event_name != 'workflow_dispatch' ||
!github.event.inputs.pull
runs-on: ubuntu-latest
env:
BENCHMARK_SHA: ${{ github.sha }}
permissions:
contents: write
steps:
- uses: actions/checkout@v6
with:
persist-credentials: true
- uses: ./.github/actions/setup-action
with:
extensions: xdebug
- name: Fetch Benchmarks
run: |
git fetch origin benchmarks
mkdir -p .phpbench
git checkout origin/benchmarks -- .phpbench || echo "No previous benchmarks found"
- name: Run Benchmarks
run: |
# Baseline does not exist or rebaseline requested. Generate it.
if [ -z "$(ls -A .phpbench)" ] || [ "${{ github.event.inputs.baseline || 'latest' }}" = "rebaseline" ]; then
vendor/bin/phpbench run --report=aggregate --progress=plain --store --tag=${BENCHMARK_SHA}
# Baseline exists. Compare against it.
else
vendor/bin/phpbench run --report=aggregate --progress=plain --store --tag=${BENCHMARK_SHA} --ref=latest --tolerate-failure
fi
# Generate report for human consumption
vendor/bin/phpbench report --report=aggregate --ref=latest |
tail -n+2 | head -n-2 | tr '+' '|' > report.md
cat report.md
- name: Commit Results
# only on: main push, schedule, workflow_dispatch+rebaseline
if: >-
(github.ref == 'refs/heads/main' && github.event_name == 'push') ||
(github.event_name == 'schedule') ||
(github.event_name == 'workflow_dispatch' && github.event.inputs.baseline == 'rebaseline')
run: |
set -euo pipefail
git config user.name "github-actions[bot]"
git config user.email "github-actions[bot]@users.noreply.github.com"
git checkout benchmarks
mv -f report.md latest.md
git add .phpbench latest.md
git commit -m "Store benchmark results [skip ci]" || echo "No changes to commit"
git push origin benchmarks
- name: Restore workspace
if: always()
run: |
set -euo pipefail
echo "Restoring workspace to original commit: ${GITHUB_SHA}"
git fetch origin || true
git checkout --detach "${GITHUB_SHA}"
git reset --hard "${GITHUB_SHA}"