1 # 2 # Copyright (C) 2017 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 # Sets Android Go recommended default values for propreties. 18 19 # Set lowram options 20 PRODUCT_PROPERTY_OVERRIDES += \ 21 ro.config.low_ram=true \ 22 ro.lmk.critical_upgrade=true \ 23 ro.lmk.upgrade_pressure=40 \ 24 ro.lmk.downgrade_pressure=60 \ 25 ro.lmk.kill_heaviest_task=false \ 26 ro.statsd.enable=false 27 28 # set threshold to filter unused apps 29 PRODUCT_PROPERTY_OVERRIDES += \ 30 pm.dexopt.downgrade_after_inactive_days=10 31 32 33 # Speed profile services and wifi-service to reduce RAM and storage. 34 PRODUCT_SYSTEM_SERVER_COMPILER_FILTER := speed-profile 35 36 # Always preopt extracted APKs to prevent extracting out of the APK for gms 37 # modules. 38 PRODUCT_ALWAYS_PREOPT_EXTRACTED_APK := true 39 40 # Use a profile based boot image for this device. Note that this is currently a 41 # generic profile and not Android Go optimized. 42 PRODUCT_USE_PROFILE_FOR_BOOT_IMAGE := true 43 PRODUCT_DEX_PREOPT_BOOT_IMAGE_PROFILE_LOCATION := frameworks/base/config/boot-image-profile.txt 44 45 # set the compiler filter for shared apks to quicken. 46 # Rationale: speed has a lot of dex code expansion, it uses more ram and space 47 # compared to quicken. Using quicken for shared APKs on Go devices may save RAM. 48 # Note that this is a trade-off: here we trade clean pages for dirty pages, 49 # extra cpu and battery. That's because the quicken files will be jit-ed in all 50 # the processes that load of shared apk and the code cache is not shared. 51 # Some notable apps that will be affected by this are gms and chrome. 52 # b/65591595. 53 PRODUCT_PROPERTY_OVERRIDES += \ 54 pm.dexopt.shared=quicken 55 56 # Default heap sizes. Allow up to 256m for large heaps to make sure a single app 57 # doesn't take all of the RAM. 58 PRODUCT_PROPERTY_OVERRIDES += dalvik.vm.heapgrowthlimit=128m 59 PRODUCT_PROPERTY_OVERRIDES += dalvik.vm.heapsize=256m 60 61 # Do not generate libartd. 62 PRODUCT_ART_TARGET_INCLUDE_DEBUG_BUILD := false 63 64 # Strip the local variable table and the local variable type table to reduce 65 # the size of the system image. This has no bearing on stack traces, but will 66 # leave less information available via JDWP. 67 PRODUCT_MINIMIZE_JAVA_DEBUG_INFO := true 68
