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| -rwxr-xr-x | core/jni/runtime_native_boot-flags-test.sh | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/core/jni/runtime_native_boot-flags-test.sh b/core/jni/runtime_native_boot-flags-test.sh new file mode 100755 index 000000000000..66e18bb19c44 --- /dev/null +++ b/core/jni/runtime_native_boot-flags-test.sh @@ -0,0 +1,244 @@ +#!/bin/bash + +# Copyright (C) 2019 The Android Open Source Project +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +# Test Android Runtime (Boot) device configuration flags (living in namespace +# `runtime_native_boot`). + +me=$(basename $0) + +# Namespace containing the tested flag. +namespace=runtime_native_boot +# Default set of checked zygote processes. +zygotes= + +# Status of whole test script. +exit_status=0 + +function say { + echo "$me: $*" +} + +function banner { + local separator=$(echo "$@" | sed s/./=/g ) + say "$separator" + say "$@" + say "$separator" +} + +function fail { + say "FAILED: $@" + exit_status=1 +} + +function reboot_and_wait_for_device { + say "Rebooting device..." + adb reboot + adb wait-for-device >/dev/null + # Wait until the device has finished booting. Give the device 60 iterations + # (~60 seconds) to try and finish booting before declaring defeat. + local niters=60 + for i in $(seq $niters); do + [[ $(adb shell getprop sys.boot_completed) -eq 1 ]] && return 0 + sleep 1 + done + fail "Device did not finish booting before timeout (~$niters seconds)" +} + +# check_device_config_flag CONTEXT FLAG VALUE +# ------------------------------------------- +# Check that the device configuration flag FLAG is set to VALUE. Use CONTEXT in +# logging. +function check_device_config_flag { + local context=$1 + local flag=$2 + local value=$3 + + say "[$context] Check that the device configuration flag is set..." + local flag_value=$(adb shell device_config get "$namespace" "$flag") + [[ "$flag_value" = "$value" ]] \ + || fail "Device configuration flag \`$flag\` set to \`$flag_value\` (expected \`$value\`)" +} + +# check_no_device_config_flag CONTEXT FLAG +# ---------------------------------------- +# Check that the device configuration flag FLAG is not set. Use CONTEXT in +# logging. +function check_no_device_config_flag { + local context=$1 + local flag=$2 + + say "[$context] Check that the device configuration flag is not set..." + local flag_value=$(adb shell device_config get "$namespace" "$flag") + [[ "$flag_value" = null ]] \ + || fail "Device configuration flag \`$flag\` set to \`$flag_value\` (expected `null`)" +} + +# get_system_property PROP +# ------------------------ +# Get system property PROP associated with a device configuration flag. +function get_system_property { + local prop=$1 + + # Note that we need to be root to read that system property. + adb root >/dev/null + local prop_value=$(adb shell getprop "$prop") + adb unroot >/dev/null + echo "$prop_value" +} + +# check_system_property CONTEXT PROP VALUE +# ---------------------------------------- +# Check that the system property PROP associated with a device configuration +# flag is set to VALUE. Use CONTEXT in logging. +function check_system_property { + local context=$1 + local prop=$2 + local value=$3 + + say "[$context] Check that the persistent system property is set..." + local prop_value=$(get_system_property "$prop") + [[ "$prop_value" = "$value" ]] \ + || fail "System property \`$prop\` set to \`$prop_value\` (expected \`$value\`)" +} + +# check_no_system_property CONTEXT PROP +# ------------------------------------- +# Check that the system property PROP associated with a device configuration +# flag is not set. Use CONTEXT in logging. +function check_no_system_property { + local context=$1 + local prop=$2 + + say "[$context] Check that the persistent system property is not set..." + local prop_value=$(get_system_property "$prop") + [[ -z "$prop_value" ]] \ + || fail "System property \`$prop\` set to \`$prop_value\` (expected unset property)" +} + +# find_zygote_runtime_option ZYGOTE RUNTIME_OPTION +# ------------------------------------------------ +# Return whether ZYGOTE is passed RUNTIME_OPTION. +function find_zygote_runtime_option { + local zygote=$1 + local runtime_option=$2 + + adb logcat -d -s "$zygote" | grep -q -e "option\[[0-9]\+\]=$runtime_option" +} + +# check_zygote_gc_runtime_option CONTEXT VALUE +# -------------------------------------------- +# Check that all zygote processes are passed device configuration flag VALUE as +# GC runtime option. Use CONTEXT in logging. +function check_zygote_gc_runtime_option { + local context=$1 + local value=$2 + + say \ + "[$context] Check that all zygote processes are passed the flag value as a GC runtime option..." + local runtime_option="-Xgc:$value" + for zygote in $zygotes; do + find_zygote_runtime_option "$zygote" "$runtime_option"\ + || fail "Found no \`$runtime_option\` among runtime options passed to \`$zygote\`" + done +} + +# check_no_zygote_gc_runtime_option CONTEXT VALUE +# ----------------------------------------------- +# Check that no zygote process is passed device configuration flag VALUE as GC +# runtime option. Use CONTEXT in logging. +function check_no_zygote_gc_runtime_option { + local context=$1 + local value=$2 + + say "[$context] Check no zygote process is passed the flag value as a GC runtime option..." + local runtime_option="-Xgc:$value" + for zygote in $zygotes; do + find_zygote_runtime_option "$zygote" "$runtime_option"\ + && fail "Found \`$runtime_option\` among runtime options passed to \`$zygote\`" + done +} + +# test_android_runtime_flag FLAG VALUE +# ------------------------------------ +# Test device configuration FLAG with VALUE. +function test_android_runtime_flag { + local flag=$1 + local value=$2 + + # Persistent system property (set after a reboot) associated with the device + # configuration flag. + local prop="persist.device_config.$namespace.$flag" + + banner "Testing \`$flag\` value \`$value\`." + + say "Setting device configuration flag..." + adb shell device_config put "$namespace" "$flag" "$value" + # Give some time to the device to digest this change before rebooting. + sleep 3 + + # Check that both the device configuration flag and the associated system + # property are set, but that the zygote hasn't had the flag passed to it as a + # GC runtime option (as we haven't rebooted yet). + local context="Flag set, before reboot" + check_device_config_flag "$context" "$flag" "$value" + check_system_property "$context" "$prop" "$value" + check_no_zygote_gc_runtime_option "$context" "$value" + + # Reboot device for the flag value to take effect. + reboot_and_wait_for_device + context="Flag set, after 1st reboot" + check_device_config_flag "$context" "$flag" "$value" + check_system_property "$context" "$prop" "$value" + check_zygote_gc_runtime_option "$context" "$value" + + # Reboot device a second time and check that the state has persisted. + reboot_and_wait_for_device + context="Flag set, after 2nd reboot" + check_device_config_flag "$context" "$flag" "$value" + check_system_property "$context" "$prop" "$value" + check_zygote_gc_runtime_option "$context" "$value" + + say "Unsetting device configuration flag..." + adb shell device_config delete "$namespace" "$flag" >/dev/null + # Give some time to the device to digest this change before rebooting. + sleep 3 + + # Reboot and check that the device is back to its default state. + reboot_and_wait_for_device + context="Flag unset, after 3rd reboot" + check_no_device_config_flag "$context" "$flag" + check_no_system_property "$context" "$prop" + check_no_zygote_gc_runtime_option "$context" "$value" +} + +# Enumerate Zygote processes. +case $(adb shell getprop ro.zygote) in + (zygote32) zygotes="zygote";; + (zygote64) zygotes="zygote64";; + (zygote32_64|zygote64_32) zygotes="zygote zygote64";; +esac + +# Test "gctype" flag values. +test_android_runtime_flag gctype nogenerational_cc +test_android_runtime_flag gctype generational_cc + +if [[ "$exit_status" -eq 0 ]]; then + banner "All tests passed." +else + banner "Test(s) failed." +fi +exit $exit_status |