Automate baseline profile generation with GHA

.github/workflows/baseline-profile.yml

@@ -0,0 +1,73 @@
+name: Baseline profile generation
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - 'haze/src/androidMain/generated/baselineProfiles/baseline-prof.txt' # don't recursively update baseline profile
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - 'internal/baseline-profile/**'
+
+jobs:
+  baseline-profile:
+    runs-on: macos-latest
+    timeout-minutes: 45
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          java-version: 20
+
+      - uses: gradle/gradle-build-action@v2
+
+      # This allows us to build most of what we need without the emulator running
+      # and using resources
+      - name: Build sample app and benchmark
+        run: ./gradlew assembleNonMinifiedRelease
+
+      - name: Clear unused Gradle Managed Devices
+        run: ./gradlew cleanManagedDevices --unused-only
+
+      - name: Generate Baseline Profile
+        run: |
+          ./gradlew generateBaselineProfile \
+          -Pandroid.testoptions.manageddevices.emulator.gpu="swiftshader_indirect" \
+          -Pandroid.testInstrumentationRunnerArguments.androidx.benchmark.enabledRules=BaselineProfile \
+          -Pandroid.experimental.testOptions.managedDevices.setupTimeoutMinutes=20 \
+          -Dorg.gradle.workers.max=4
+
+      # If we're on main branch, copy over the baseline profile and
+      # commit it to the repository (if changed)
+      - name: Commit baseline profile into main
+        if: github.ref == 'refs/heads/main'
+        run: |
+          # Pull down any changes which may have been committed while this workflow has been running
+          git pull
+          # If the baseline profile has changed, commit it
+          if [[ $(git diff --stat haze/src/androidMain/generated/baselineProfiles/baseline-prof.txt) != '' ]]; then
+            git config user.name github-actions
+            git config user.email [email protected]
+            git add haze/src/androidMain/generated/baselineProfiles/baseline-prof.txt
+            git commit -m "Update baseline profile" && git push
+          fi
+
+      - name: Upload baseline profile
+        uses: actions/upload-artifact@v4
+        with:
+          name: baseline-profile-output
+          path: internal/baseline-profile/build/outputs/managed_device_android_test_additional_output
+
+      - name: Upload reports
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: reports
+          path: |
+            **/build/reports/*

.github/workflows/build.yml

@@ -34,7 +34,10 @@ jobs:
       - uses: gradle/gradle-build-action@v2
 
       - name: Build
-        run: ./gradlew build
+        run: |
+          ./gradlew build \
+          -x :internal:baseline-profile:pixel7Api34NonMinifiedReleaseAndroidTest \
+          -x :internal:baseline-profile:collectNonMinifiedReleaseBaselineProfile
 
       - name: Upload reports + Roborazzi outputs
         if: failure()