1# 2# Copyright 2018 The Android Open Source Project 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15# 16 17# Use an empty profile to make non of the boot image be AOT compiled (for now). 18# Note that we could use a previous profile but we will miss the opportunity to 19# remove classes that are no longer in use. 20# Ideally we would just generate an empty boot.art but we don't have the build 21# support to separate the image from the compile code. 22PRODUCT_DEX_PREOPT_BOOT_IMAGE_PROFILE_LOCATION := build/target/product/empty-profile 23PRODUCT_DEX_PREOPT_BOOT_FLAGS := --count-hotness-in-compiled-code 24DEX_PREOPT_DEFAULT := nostripping 25 26# Disable uncompressing priv apps so that there is enough space to build the system partition. 27DONT_UNCOMPRESS_PRIV_APPS_DEXS := true 28 29# Use an empty preloaded-classes list. 30PRODUCT_COPY_FILES += \ 31 build/target/product/empty-preloaded-classes:system/etc/preloaded-classes 32 33# Boot image property overrides. 34PRODUCT_PROPERTY_OVERRIDES += \ 35 dalvik.vm.jitinitialsize=32m \ 36 dalvik.vm.jitmaxsize=32m \ 37 dalvik.vm.usejitprofiles=true \ 38 dalvik.vm.hot-startup-method-samples=256 \ 39 dalvik.vm.profilesystemserver=true \ 40 dalvik.vm.profilebootimage=true 41 42# Use speed compiler filter since system server doesn't have JIT. 43PRODUCT_DEX_PREOPT_BOOT_FLAGS += --compiler-filter=speed 44# System server is speed compiled and doesn't have a separate preopt flag, 45# so we enable hotness in compiled code for everything. 46PRODUCT_DEX_PREOPT_DEFAULT_FLAGS := --count-hotness-in-compiled-code 47 48PRODUCT_DIST_BOOT_AND_SYSTEM_JARS := true 49