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[CI] (.github/workflows, android-plugin): cache a pre-booted AVD, not boot snapshots

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- snapshots doubled the cache restore (25 to 52 s) and device-offline retries went from 3 to 10
- the AVD job boots the new AVD once and powers it off; retrace jobs cold-boot it as before
This commit is contained in:
swung0x48
2026-10-18 07:06:46 -04:00
parent 8f64fa7686
commit da1ec09c27
2 changed files with 49 additions and 120 deletions
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.github/workflows/apk.yml
+20 -22
View File
@@ -379,7 +379,7 @@ jobs:
${{ env.ANDROID_SDK_ROOT }}/platform-tools
${{ env.ANDROID_SDK_ROOT }}/platforms/android-35
${{ env.ANDROID_SDK_ROOT }}/system-images/android-35/google_apis/x86_64
key: ${{ runner.os }}-mobilegl-avd-api35-google_apis-x86_64-pixel_6-v3-${{ hashFiles('android-plugin/run-avd-ci.sh') }}
key: ${{ runner.os }}-mobilegl-avd-api35-google_apis-x86_64-pixel_6-v4-${{ hashFiles('android-plugin/run-avd-ci.sh') }}
- name: Create AVD
if: steps.android-avd-cache.outputs.cache-hit != 'true'
@@ -398,24 +398,24 @@ jobs:
sudo udevadm control --reload-rules
sudo udevadm trigger --name-match=kvm
# Boot the new AVD once per emulator GPU mode of the retrace matrix (the backends' `gpu` in
# tools/trace_replay/trace_cases.py) and keep a snapshot of each booted device in the cached
# AVD, so a retrace job loads one instead of cold-booting. A mode whose snapshot cannot be
# saved still leaves the AVD past its first-boot setup.
- name: Pre-boot AVD and save snapshots
# Boot the new AVD once so the cached AVD is past its first-boot setup (measured 37 s first
# boot, 26 s for the next cold boot). A quick-boot snapshot was tried instead: it doubled the
# cache restore and tripled "device offline" retries, so retrace jobs cold-boot. If the
# pre-boot fails, the AVD is created afresh so the cache never holds a half-booted one.
- name: Pre-boot AVD
if: steps.android-avd-cache.outputs.cache-hit != 'true'
run: |
for gpu in software lavapipe; do
log="${RUNNER_TEMP}/avd-snapshot-${gpu}.log"
pid="${RUNNER_TEMP}/avd-snapshot-${gpu}.pid"
if ! sh android-plugin/run-avd-ci.sh snapshot --avd-name "${AVD_NAME}" --gpu "${gpu}" \
--name "ci-${gpu}" --emulator-log "${log}" --pid-file "${pid}" --boot-timeout 300; then
echo "::warning::no ci-${gpu} snapshot was saved; retrace jobs in that GPU mode cold-boot"
tail -50 "${log}" || true
sh android-plugin/run-avd-ci.sh stop --avd-name "${AVD_NAME}" --emulator-log "${log}" --pid-file "${pid}"
timeout 60 tail --pid="$(cat "${pid}")" -f /dev/null || true
fi
done
log="${RUNNER_TEMP}/avd-preboot.log"
pid="${RUNNER_TEMP}/avd-preboot.pid"
if ! sh android-plugin/run-avd-ci.sh preboot --avd-name "${AVD_NAME}" --gpu software \
--emulator-log "${log}" --pid-file "${pid}" --boot-timeout 300; then
echo "::warning::the AVD pre-boot failed; caching a never-booted AVD instead"
tail -50 "${log}" || true
sh android-plugin/run-avd-ci.sh stop --avd-name "${AVD_NAME}" --emulator-log "${log}" --pid-file "${pid}"
timeout 60 tail --pid="$(cat "${pid}")" -f /dev/null || true
sh android-plugin/run-avd-ci.sh create --api-level 35 --target google_apis --arch x86_64 \
--profile pixel_6 --avd-name "${AVD_NAME}"
fi
du -sh "${ANDROID_AVD_HOME}"
retrace:
@@ -477,7 +477,7 @@ jobs:
${{ env.ANDROID_SDK_ROOT }}/platform-tools
${{ env.ANDROID_SDK_ROOT }}/platforms/android-35
${{ env.ANDROID_SDK_ROOT }}/system-images/android-35/google_apis/x86_64
key: ${{ runner.os }}-mobilegl-avd-api35-google_apis-x86_64-pixel_6-v3-${{ hashFiles('android-plugin/run-avd-ci.sh') }}
key: ${{ runner.os }}-mobilegl-avd-api35-google_apis-x86_64-pixel_6-v4-${{ hashFiles('android-plugin/run-avd-ci.sh') }}
# The cache holds everything a retrace job runs (emulator, adb, image, AVD); the SDK manager
# is only needed to create the AVD when the cache missed.
@@ -540,8 +540,7 @@ jobs:
--gpu "${{ matrix.backend.gpu }}" \
--emulator-log "${EMULATOR_LOG}" \
--pid-file "${EMULATOR_PID_FILE}" \
--boot-timeout 300 \
--snapshot "ci-${{ matrix.backend.gpu }}"
--boot-timeout 300
- name: Retrace and validate
env:
@@ -648,8 +647,7 @@ jobs:
--gpu "${{ matrix.backend.gpu }}" \
--emulator-log "${EMULATOR_LOG}" \
--pid-file "${EMULATOR_PID_FILE}" \
--boot-timeout 300 \
--snapshot "ci-${{ matrix.backend.gpu }}"
--boot-timeout 300
run_retrace
elif [ "${retrace_status}" -ne 0 ]; then
exit "${retrace_status}"