Bug 1543212 - Create a PGO-optimized android-aarch64 build; r=firefox-build-system-reviewers,chmanchester

Differential Revision: https://phabricator.services.mozilla.com/D29588

--HG--
extra : moz-landing-system : lando

mobile/android/config/mozconfigs/android-aarch64/profile-use

@@ -0,0 +1,10 @@
+. "$topsrcdir/mobile/android/config/mozconfigs/android-aarch64/nightly"
+
+export LLVM_PROFDATA="$topsrcdir/clang/bin/llvm-profdata"
+
+ac_add_options --enable-profile-use
+
+# This is disabled because jarlog re-ordering breaks apk publishing tasks,
+# see bug 1539933.
+# ac_add_options --with-pgo-jarlog=/builds/worker/fetches/en-US.log
+ac_add_options --with-pgo-profile-path=/builds/worker/fetches/default.profraw

taskcluster/ci/build/android.yml

@@ -497,6 +497,61 @@ android-aarch64/opt:
         - linux64-nasm
         - linux64-node
 
+android-aarch64/pgo:
+    description: "Android 5.0 AArch64 PGO"
+    use-pgo: android-api-16/pgo
+    index:
+        product: mobile
+        job-name: android-aarch64-pgo
+    attributes:
+        enable-full-crashsymbols: true
+    treeherder:
+        platform: android-5-0-aarch64/pgo
+        symbol: Bpgo(B)
+    worker-type: b-linux
+    worker:
+        docker-image: {in-tree: android-build}
+        max-run-time: 7200
+        env:
+            GRADLE_USER_HOME: "/builds/worker/workspace/build/src/mobile/android/gradle/dotgradle-offline"
+            TOOLTOOL_MANIFEST: "mobile/android/config/tooltool-manifests/android/releng.manifest"
+        artifacts:
+            - name: public/android/maven
+              # TODO Bug 1433198. Remove the following entry once target.maven.zip is uploaded to a maven repository
+              path: /builds/worker/workspace/build/src/obj-firefox/gradle/build/mobile/android/geckoview/maven/
+              type: directory
+            - name: public/build/target.maven.zip
+              path: /builds/worker/workspace/build/src/obj-firefox/gradle/build/mobile/android/geckoview/target.maven.zip
+              type: file
+            - name: public/build/geckoview-androidTest.apk
+              path: /builds/worker/workspace/build/src/obj-firefox/gradle/build/mobile/android/geckoview/outputs/apk/androidTest/withGeckoBinaries/debug/geckoview-withGeckoBinaries-debug-androidTest.apk
+              type: file
+            - name: public/build/geckoview_example.apk
+              path: /builds/worker/workspace/build/src/obj-firefox/gradle/build/mobile/android/geckoview_example/outputs/apk/withGeckoBinaries/debug/geckoview_example-withGeckoBinaries-debug.apk
+              type: file
+            - name: public/build
+              path: /builds/worker/artifacts/
+              type: directory
+    run:
+        using: mozharness
+        actions: [get-secrets, build]
+        config:
+            - builds/releng_base_android_64_builds.py
+        script: "mozharness/scripts/fx_desktop_build.py"
+        secrets: true
+        custom-build-variant-cfg: aarch64-pgo
+        tooltool-downloads: internal
+    toolchains:
+        - android-gradle-dependencies
+        - android-ndk-linux
+        - android-sdk-linux
+        - linux64-clang
+        - linux64-rust-android
+        - linux64-rust-size
+        - linux64-cbindgen
+        - linux64-nasm
+        - linux64-node
+
 android-aarch64/debug:
     description: "Android 5.0 AArch64 Debug"
     index:

testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_pgo.py

@@ -0,0 +1,5 @@
+config = {
+    'stage_platform': 'android-aarch64-pgo',
+    'src_mozconfig': 'mobile/android/config/mozconfigs/android-aarch64/profile-use',
+    'multi_locale_config_platform': 'android',
+}

testing/mozharness/mozharness/mozilla/building/buildbase.py

@@ -378,6 +378,7 @@ class BuildOptionParser(object):
         'aarch64': 'builds/releng_sub_%s_configs/%s_aarch64.py',
         'aarch64-beta': 'builds/releng_sub_%s_configs/%s_aarch64_beta.py',
         'aarch64-beta-debug': 'builds/releng_sub_%s_configs/%s_aarch64_beta_debug.py',
+        'aarch64-pgo': 'builds/releng_sub_%s_configs/%s_aarch64_pgo.py',
         'aarch64-debug': 'builds/releng_sub_%s_configs/%s_aarch64_debug.py',
         'android-test': 'builds/releng_sub_%s_configs/%s_test.py',
         'android-test-ccov': 'builds/releng_sub_%s_configs/%s_test_ccov.py',