mm/pixel-mm-gki.rc

# Copyright (C) 2021 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.

on init
    # memory reserve tuning
    write /proc/sys/vm/min_free_kbytes 27386
    write /proc/sys/vm/lowmem_reserve_ratio "0 0 0"
    # khugepaged tuning
    write /sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs 60000

# Property from experiments - server config
on property:persist.device_config.vendor_system_native_boot.zram_size=*
    setprop vendor.zram.size ${persist.device_config.vendor_system_native_boot.zram_size}

# Property for local test. It can overwrite the server side config
on property:sys.boot_completed=1 && property:persist.vendor.boot.zram.size=*
    setprop vendor.zram.size ${persist.vendor.boot.zram.size}

on property:sys.boot_completed=1
    swapon_all /vendor/etc/fstab.zram.${vendor.zram.size}

on property:sys.boot_completed=1
    chmod 444 /sys/kernel/debug/page_owner

    # Create mm_event trace point.
    # For legacy devices, only mm_event is using this trace instance.
    # Debugfs is only used in legacy devices and going to be deprecated.
    # If others want to put more,it should get hard review from pixel-perf-team.
    mkdir /sys/kernel/tracing/instances/pixel 0755 system system
    chown system system /sys/kernel/tracing/instances/pixel/trace
    chmod 0660 /sys/kernel/tracing/instances/pixel/trace
    chown system system /sys/kernel/tracing/instances/pixel/tracing_on
    chmod 0660 /sys/kernel/tracing/instances/pixel/tracing_on
    write /sys/kernel/tracing/instances/pixel/buffer_size_kb 64
    write /sys/kernel/tracing/instances/pixel/events/cma/cma_alloc_busy_retry/enable 1
    write /sys/kernel/tracing/instances/pixel/events/cma/cma_alloc_start/enable 1
    write /sys/kernel/tracing/instances/pixel/events/cma/cma_alloc_info/enable 1

# turns off tracing right before bugreporting to keep more traces
on property:init.svc.dumpstatez=running
    write /sys/kernel/tracing/instances/pixel/tracing_on 0

on property:init.svc.dumpstatez=stopped
    write /sys/kernel/tracing/instances/pixel/tracing_on 1

on property:init.svc.bugreport=running
    write /sys/kernel/tracing/instances/pixel/tracing_on 0

on property:init.svc.bugreport=stopped
    write /sys/kernel/tracing/instances/pixel/tracing_on 1

on property:init.svc.bugreportd=running
    write /sys/kernel/tracing/instances/pixel/tracing_on 0

on property:init.svc.bugreportd=stopped
    write /sys/kernel/tracing/instances/pixel/tracing_on 1