Home | History | Annotate | Download | only in board
      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 ro.lmk.critical_upgrade=true
     21 ro.lmk.upgrade_pressure=40
     22 ro.lmk.downgrade_pressure=60
     23 ro.lmk.kill_heaviest_task=false
     24 ro.statsd.enable=true
     25 
     26 # set threshold to filter unused apps
     27 pm.dexopt.downgrade_after_inactive_days=10
     28 
     29 # set the compiler filter for shared apks to quicken.
     30 # Rationale: speed has a lot of dex code expansion, it uses more ram and space
     31 # compared to quicken. Using quicken for shared APKs on Go devices may save RAM.
     32 # Note that this is a trade-off: here we trade clean pages for dirty pages,
     33 # extra cpu and battery. That's because the quicken files will be jit-ed in all
     34 # the processes that load of shared apk and the code cache is not shared.
     35 # Some notable apps that will be affected by this are gms and chrome.
     36 # b/65591595.
     37 pm.dexopt.shared=quicken
     38 
     39 # Default heap sizes. Allow up to 256m for large heaps to make sure a single app
     40 # doesn't take all of the RAM.
     41 dalvik.vm.heapgrowthlimit=128m
     42 dalvik.vm.heapsize=256m
     43