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. 22 PRODUCT_DEX_PREOPT_BOOT_IMAGE_PROFILE_LOCATION := build/target/product/empty-profile 23 PRODUCT_DEX_PREOPT_BOOT_FLAGS := --count-hotness-in-compiled-code 24 DEX_PREOPT_DEFAULT := nostripping 25 26 # Disable uncompressing priv apps so that there is enough space to build the system partition. 27 DONT_UNCOMPRESS_PRIV_APPS_DEXS := true 28 29 # Use an empty preloaded-classes list. 30 PRODUCT_COPY_FILES += \ 31 build/target/product/empty-preloaded-classes:system/etc/preloaded-classes 32 33 # Boot image property overrides. 34 PRODUCT_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. 43 PRODUCT_DEX_PREOPT_BOOT_FLAGS += --compiler-filter=speed 44 45 PRODUCT_DIST_BOOT_AND_SYSTEM_JARS := true 46