android_device_oneplus_dre/rootdir/bin/init.kernel.post_boot.sh

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#=============================================================================
# Copyright (c) 2020 Qualcomm Technologies, Inc.
# All Rights Reserved.
# Confidential and Proprietary - Qualcomm Technologies, Inc.
#
# Copyright (c) 2009-2012, 2014-2019, The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of The Linux Foundation nor
# the names of its contributors may be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#=============================================================================
function configure_zram_parameters() {
postboot_running=$(getprop vendor.sys.memplus.postboot 0)
if [ $postboot_running == 3 ];then
return
fi
MemTotalStr=`cat /proc/meminfo | grep MemTotal`
MemTotal=${MemTotalStr:16:8}
low_ram=`getprop ro.config.low_ram`
# Zram disk - 75% for Go and < 2GB devices .
# For >2GB Non-Go devices, size = 50% of RAM size. Limit the size to 4GB.
# And enable lz4 zram compression for Go targets.
let RamSizeGB="( $MemTotal / 1048576 ) + 1"
diskSizeUnit=M
if [ $RamSizeGB -le 2 ]; then
let zRamSizeMB="( $RamSizeGB * 1024 ) * 3 / 4"
else
let zRamSizeMB="( $RamSizeGB * 1024 ) / 2"
fi
# use MB avoid 32 bit overflow
if [ $zRamSizeMB -gt 4096 ]; then
let zRamSizeMB=4096
fi
if [ "$low_ram" == "true" ]; then
echo lz4 > /sys/block/zram0/comp_algorithm
fi
if [ -f /sys/block/zram0/disksize ]; then
if [ -f /sys/block/zram0/use_dedup ]; then
echo 1 > /sys/block/zram0/use_dedup
fi
echo "$zRamSizeMB""$diskSizeUnit" > /sys/block/zram0/disksize
# ZRAM may use more memory than it saves if SLAB_STORE_USER
# debug option is enabled.
if [ -e /sys/kernel/slab/zs_handle ]; then
echo 0 > /sys/kernel/slab/zs_handle/store_user
fi
if [ -e /sys/kernel/slab/zspage ]; then
echo 0 > /sys/kernel/slab/zspage/store_user
fi
mkswap /dev/block/zram0
swapon /dev/block/zram0 -p 32758
fi
}
function configure_read_ahead_kb_values() {
MemTotalStr=`cat /proc/meminfo | grep MemTotal`
MemTotal=${MemTotalStr:16:8}
dmpts=$(ls /sys/block/*/queue/read_ahead_kb | grep -e dm -e mmc)
# Set 128 for <= 3GB &
# set 512 for >= 4GB targets.
if [ $MemTotal -le 3145728 ]; then
ra_kb=128
else
ra_kb=512
fi
if [ -f /sys/block/mmcblk0/bdi/read_ahead_kb ]; then
echo $ra_kb > /sys/block/mmcblk0/bdi/read_ahead_kb
fi
if [ -f /sys/block/mmcblk0rpmb/bdi/read_ahead_kb ]; then
echo $ra_kb > /sys/block/mmcblk0rpmb/bdi/read_ahead_kb
fi
for dm in $dmpts; do
echo $ra_kb > $dm
done
}
# huangwen.chen@OPTI, 2020/05/14, add for zram writeback
function configure_zram_writeback() {
# get backing storage size, unit: MB
backing_dev_size=$(getprop persist.vendor.zwriteback.backing_dev_size 2048)
case $backing_dev_size in
[1-9])
;;
[1-9][0-9]*)
;;
*)
backing_dev_size=2048
;;
esac
dump_switch=$(getprop persist.vendor.zwriteback.backup)
wb_file="/data/vendor/swap/zram_wb"
if [[ -f $wb_file && $dump_switch == 1 ]];then
rm -f "/data/vendor/swap/zram_wb.old"
mv $wb_file "/data/vendor/swap/zram_wb.old"
fi
# create backing storage
# check if dd command success
ret=$(dd if=/dev/zero of=/data/vendor/swap/zram_wb bs=1m count=$backing_dev_size 2>&1)
if [ $? -ne 0 ];then
rm -f /data/vendor/swap/zram_wb
echo "memplus $ret" > /dev/kmsg
return 1
fi
# check if attaching file success
losetup -f
loop_device=$(losetup -f -s /data/vendor/swap/zram_wb 2>&1)
if [ $? -ne 0 ];then
rm -f /data/vendor/swap/zram_wb
echo "memplus $loop_device" > /dev/kmsg
return 1
fi
echo $loop_device > /sys/block/zram0/backing_dev
mem_limit=$(getprop persist.vendor.zwriteback.mem_limit)
case $mem_limit in
[1-9])
mem_limit="${mem_limit}M"
;;
[1-9][0-9]*)
mem_limit="${mem_limit}M"
;;
*)
mem_limit="1G"
;;
esac
echo $mem_limit > /sys/block/zram0/mem_limit
}
# bin.zhong@ASTI, 2019/10/12, add for memplus
function configure_memplus_parameters() {
bootmode=`getprop ro.vendor.factory.mode`
if [ "$bootmode" == "ftm" ] || [ "$bootmode" == "wlan" ] || [ "$bootmode" == "rf" ];then
return
fi
if [ ! $memplus_post_config ];then
return
fi
setprop vendor.sys.memplus.postboot 1
memplus=`getprop persist.vendor.memplus.enable`
case "$memplus" in
"0")
# diable swapspace
rm /data/vendor/swap/swapfile
echo "memplus swapoff start" > /dev/kmsg
ret=$(swapoff /dev/block/zram0 2>&1)
if [ $? -ne 0 ];then
echo "memplus $ret" > /dev/kmsg
return
fi
echo "memplus swapoff done" > /dev/kmsg
;;
"1")
# enable memplus
rm /data/vendor/swap/swapfile
# reset zram swapspace
# huangwen.chen@OPTI, 2020/07/10 check if swapoff success
echo "memplus swapoff start" > /dev/kmsg
ret=$(swapoff /dev/block/zram0 2>&1)
if [ $? -ne 0 ];then
echo "memplus $ret" > /dev/kmsg
return
fi
echo "memplus swapoff done" > /dev/kmsg
echo 1 > /sys/block/zram0/reset
# huangwen.chen@OPTI, 2020/05/21 set zram disksize by property
disksize=$(getprop persist.vendor.zwriteback.disksize 4096)
case $disksize in
[1-9])
disksize="${disksize}M"
;;
[1-9][0-9]*)
disksize="${disksize}M"
;;
*)
disksize="2100M"
;;
esac
# huangwen.chen@OPTI, 2020/05/14 add for zram writeback
# check if ZRAM_WRITEBACK_CONFIG enable
writeback_file="/sys/block/zram0/writeback"
zwriteback=$(getprop persist.vendor.zwriteback.enable 1)
if [[ -f $writeback_file && $zwriteback == 1 ]];then
configure_zram_writeback
# check if configure_zram_writeback success
if [ $? -ne 0 ];then
echo 0 > /sys/block/zram0/mem_limit
fi
else
rm -f /data/vendor/swap/zram_wb
disksize="2100M"
echo 0 > /sys/block/zram0/mem_limit
fi
echo $disksize > /sys/block/zram0/disksize
mkswap /dev/block/zram0
echo "memplus swapon start" > /dev/kmsg
swapon /dev/block/zram0 -p 32758
if [ $? -eq 0 ]; then
echo 1 > /sys/module/memplus_core/parameters/memory_plus_enabled
fi
echo "memplus swapon done" > /dev/kmsg
;;
*)
#enable kswapd
rm /data/vendor/swap/swapfile
# reset zram swapspace
# huangwen.chen@OPTI, 2020/07/10 check if swapoff success
echo "memplus swapoff start" > /dev/kmsg
ret=$(swapoff /dev/block/zram0 2>&1)
if [ $? -ne 0 ];then
echo "memplus $ret" > /dev/kmsg
return
fi
echo "memplus swapoff done" > /dev/kmsg
echo 1 > /sys/block/zram0/reset
echo lz4 > /sys/block/zram0/comp_algorithm
# huangwen.chen@OPTI, 2020/05/21 set zram disksize by property
disksize=$(getprop persist.vendor.zwriteback.disksize 4096)
case $disksize in
[1-9])
disksize="${disksize}M"
;;
[1-9][0-9]*)
disksize="${disksize}M"
;;
*)
disksize="2100M"
;;
esac
# huangwen.chen@OPTI, 2020/05/14 add for zram writeback
# check if ZRAM_WRITEBACK_CONFIG enable
writeback_file="/sys/block/zram0/writeback"
zwriteback=$(getprop persist.vendor.zwriteback.enable 1)
if [[ -f $writeback_file && $zwriteback == 1 ]];then
configure_zram_writeback
if [ $? -ne 0 ];then
echo 0 > /sys/block/zram0/mem_limit
fi
else
rm -f /data/vendor/swap/zram_wb
disksize="2100M"
echo 0 > /sys/block/zram0/mem_limit
fi
echo $disksize > /sys/block/zram0/disksize
mkswap /dev/block/zram0
echo "memplus swapon start" > /dev/kmsg
swapon /dev/block/zram0 -p 32758
if [ $? -eq 0 ]; then
echo 0 > /sys/module/memplus_core/parameters/memory_plus_enabled
fi
echo "memplus swapon done" > /dev/kmsg
;;
esac
setprop vendor.sys.memplus.postboot 2
}
function configure_memory_parameters() {
# Set Memory parameters.
#
# Set per_process_reclaim tuning parameters
# All targets will use vmpressure range 50-70,
# All targets will use 512 pages swap size.
#
# Set Low memory killer minfree parameters
# 32 bit Non-Go, all memory configurations will use 15K series
# 32 bit Go, all memory configurations will use uLMK + Memcg
# 64 bit will use Google default LMK series.
#
# Set ALMK parameters (usually above the highest minfree values)
# vmpressure_file_min threshold is always set slightly higher
# than LMK minfree's last bin value for all targets. It is calculated as
# vmpressure_file_min = (last bin - second last bin ) + last bin
#
# Set allocstall_threshold to 0 for all targets.
#
MemTotalStr=`cat /proc/meminfo | grep MemTotal`
MemTotal=${MemTotalStr:16:8}
configure_zram_parameters
configure_read_ahead_kb_values
echo 0 > /proc/sys/vm/page-cluster
echo 100 > /proc/sys/vm/swappiness
# set watermark_scale_factor = 36MB * 1024 * 1024 * 10 / MemTotal
factor=`expr 377487360 / $MemTotal`
echo $factor > /proc/sys/vm/watermark_scale_factor
# set min_free_kbytes = 32MB
echo 32768 > /proc/sys/vm/min_free_kbytes
}
rev=`cat /sys/devices/soc0/revision`
ddr_type=`od -An -tx /proc/device-tree/memory/ddr_device_type`
ddr_type4="07"
ddr_type5="08"
# Core control parameters for gold
echo 2 > /sys/devices/system/cpu/cpu4/core_ctl/min_cpus
echo 60 > /sys/devices/system/cpu/cpu4/core_ctl/busy_up_thres
echo 30 > /sys/devices/system/cpu/cpu4/core_ctl/busy_down_thres
echo 100 > /sys/devices/system/cpu/cpu4/core_ctl/offline_delay_ms
echo 3 > /sys/devices/system/cpu/cpu4/core_ctl/task_thres
# Core control parameters for gold+
echo 0 > /sys/devices/system/cpu/cpu7/core_ctl/min_cpus
echo 60 > /sys/devices/system/cpu/cpu7/core_ctl/busy_up_thres
echo 30 > /sys/devices/system/cpu/cpu7/core_ctl/busy_down_thres
echo 100 > /sys/devices/system/cpu/cpu7/core_ctl/offline_delay_ms
echo 1 > /sys/devices/system/cpu/cpu7/core_ctl/task_thres
# Controls how many more tasks should be eligible to run on gold CPUs
# w.r.t number of gold CPUs available to trigger assist (max number of
# tasks eligible to run on previous cluster minus number of CPUs in
# the previous cluster).
#
# Setting to 1 by default which means there should be at least
# 4 tasks eligible to run on gold cluster (tasks running on gold cores
# plus misfit tasks on silver cores) to trigger assitance from gold+.
echo 1 > /sys/devices/system/cpu/cpu7/core_ctl/nr_prev_assist_thresh
# Disable Core control on silver
echo 0 > /sys/devices/system/cpu/cpu0/core_ctl/enable
# Setting b.L scheduler parameters
echo 95 95 > /proc/sys/kernel/sched_upmigrate
echo 85 85 > /proc/sys/kernel/sched_downmigrate
echo 100 > /proc/sys/kernel/sched_group_upmigrate
echo 85 > /proc/sys/kernel/sched_group_downmigrate
echo 1 > /proc/sys/kernel/sched_walt_rotate_big_tasks
echo 400000000 > /proc/sys/kernel/sched_coloc_downmigrate_ns
echo 39000000 39000000 39000000 39000000 39000000 39000000 39000000 5000000 > /proc/sys/kernel/sched_coloc_busy_hyst_cpu_ns
echo 240 > /proc/sys/kernel/sched_coloc_busy_hysteresis_enable_cpus
echo 10 10 10 10 10 10 10 95 > /proc/sys/kernel/sched_coloc_busy_hyst_cpu_busy_pct
# set the threshold for low latency task boost feature which prioritize
# binder activity tasks
echo 325 > /proc/sys/kernel/walt_low_latency_task_threshold
# cpuset parameters
echo 0-3 > /dev/cpuset/background/cpus
echo 0-3 > /dev/cpuset/system-background/cpus
# jared.wu@OPTIMIZATION, 2020/09/22, Make foreground run on cpu 0-6
echo 0-6 > /dev/cpuset/foreground/cpus
# Turn off scheduler boost at the end
echo 0 > /proc/sys/kernel/sched_boost
# configure governor settings for silver cluster
echo "schedutil" > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
echo 0 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/down_rate_limit_us
echo 0 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/up_rate_limit_us
if [ $rev == "1.0" ]; then
echo 1190400 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/hispeed_freq
else
echo 1209600 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/hispeed_freq
fi
echo 691200 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq
echo 1 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/pl
# configure input boost settings
if [ $rev == "1.0" ]; then
echo "0:1382800" > /sys/devices/system/cpu/cpu_boost/input_boost_freq
else
echo "0:1305600" > /sys/devices/system/cpu/cpu_boost/input_boost_freq
fi
echo 120 > /sys/devices/system/cpu/cpu_boost/input_boost_ms
# configure governor settings for gold cluster
echo "schedutil" > /sys/devices/system/cpu/cpufreq/policy4/scaling_governor
echo 0 > /sys/devices/system/cpu/cpufreq/policy4/schedutil/down_rate_limit_us
echo 0 > /sys/devices/system/cpu/cpufreq/policy4/schedutil/up_rate_limit_us
if [ $rev == "1.0" ]; then
echo 1497600 > /sys/devices/system/cpu/cpufreq/policy4/schedutil/hispeed_freq
else
echo 1555200 > /sys/devices/system/cpu/cpufreq/policy4/schedutil/hispeed_freq
fi
echo 1 > /sys/devices/system/cpu/cpufreq/policy4/schedutil/pl
# configure governor settings for gold+ cluster
echo "schedutil" > /sys/devices/system/cpu/cpufreq/policy7/scaling_governor
echo 0 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/down_rate_limit_us
echo 0 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/up_rate_limit_us
if [ $rev == "1.0" ]; then
echo 1536000 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/hispeed_freq
else
echo 1670400 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/hispeed_freq
fi
echo 1 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/pl
# tedlin, chown sysfs node to system
chown -R system:system /sys/devices/system/cpu/cpufreq/policy0/schedutil/target_loads
chown -R system:system /sys/devices/system/cpu/cpufreq/policy4/schedutil/target_loads
chown -R system:system /sys/devices/system/cpu/cpufreq/policy7/schedutil/target_loads
# configure bus-dcvs
for device in /sys/devices/platform/soc
do
for cpubw in $device/*cpu-cpu-llcc-bw/devfreq/*cpu-cpu-llcc-bw
do
cat $cpubw/available_frequencies | cut -d " " -f 1 > $cpubw/min_freq
echo "4577 7110 9155 12298 14236 15258" > $cpubw/bw_hwmon/mbps_zones
echo 4 > $cpubw/bw_hwmon/sample_ms
echo 80 > $cpubw/bw_hwmon/io_percent
echo 20 > $cpubw/bw_hwmon/hist_memory
echo 10 > $cpubw/bw_hwmon/hyst_length
echo 30 > $cpubw/bw_hwmon/down_thres
echo 0 > $cpubw/bw_hwmon/guard_band_mbps
echo 250 > $cpubw/bw_hwmon/up_scale
echo 1600 > $cpubw/bw_hwmon/idle_mbps
echo 12298 > $cpubw/max_freq
echo 40 > $cpubw/polling_interval
done
for llccbw in $device/*cpu-llcc-ddr-bw/devfreq/*cpu-llcc-ddr-bw
do
cat $llccbw/available_frequencies | cut -d " " -f 1 > $llccbw/min_freq
if [ ${ddr_type:4:2} == $ddr_type4 ]; then
echo "1720 2086 2929 3879 5931 6515 8136" > $llccbw/bw_hwmon/mbps_zones
elif [ ${ddr_type:4:2} == $ddr_type5 ]; then
echo "1720 2086 2929 3879 6515 7980 12191" > $llccbw/bw_hwmon/mbps_zones
fi
echo 4 > $llccbw/bw_hwmon/sample_ms
echo 80 > $llccbw/bw_hwmon/io_percent
echo 20 > $llccbw/bw_hwmon/hist_memory
echo 10 > $llccbw/bw_hwmon/hyst_length
echo 30 > $llccbw/bw_hwmon/down_thres
echo 0 > $llccbw/bw_hwmon/guard_band_mbps
echo 250 > $llccbw/bw_hwmon/up_scale
echo 1600 > $llccbw/bw_hwmon/idle_mbps
echo 6515 > $llccbw/max_freq
echo 40 > $llccbw/polling_interval
done
for l3bw in $device/*snoop-l3-bw/devfreq/*snoop-l3-bw
do
cat $l3bw/available_frequencies | cut -d " " -f 1 > $l3bw/min_freq
echo 4 > $l3bw/bw_hwmon/sample_ms
echo 10 > $l3bw/bw_hwmon/io_percent
echo 20 > $l3bw/bw_hwmon/hist_memory
echo 10 > $l3bw/bw_hwmon/hyst_length
echo 0 > $l3bw/bw_hwmon/down_thres
echo 0 > $l3bw/bw_hwmon/guard_band_mbps
echo 0 > $l3bw/bw_hwmon/up_scale
echo 1600 > $l3bw/bw_hwmon/idle_mbps
echo 9155 > $l3bw/max_freq
echo 40 > $l3bw/polling_interval
done
# configure mem_latency settings for LLCC and DDR scaling and qoslat
for memlat in $device/*lat/devfreq/*lat
do
cat $memlat/available_frequencies | cut -d " " -f 1 > $memlat/min_freq
echo 8 > $memlat/polling_interval
echo 400 > $memlat/mem_latency/ratio_ceil
done
# configure compute settings for gold latfloor
for latfloor in $device/*cpu4-cpu*latfloor/devfreq/*cpu4-cpu*latfloor
do
cat $latfloor/available_frequencies | cut -d " " -f 1 > $latfloor/min_freq
echo 8 > $latfloor/polling_interval
done
# configure mem_latency settings for prime latfloor
for latfloor in $device/*cpu7-cpu*latfloor/devfreq/*cpu7-cpu*latfloor
do
cat $latfloor/available_frequencies | cut -d " " -f 1 > $latfloor/min_freq
echo 8 > $latfloor/polling_interval
echo 25000 > $latfloor/mem_latency/ratio_ceil
done
# CPU4 L3 ratio ceil
for l3gold in $device/*cpu4-cpu-l3-lat/devfreq/*cpu4-cpu-l3-lat
do
echo 4000 > $l3gold/mem_latency/ratio_ceil
done
# CPU5 L3 ratio ceil
for l3gold in $device/*cpu5-cpu-l3-lat/devfreq/*cpu5-cpu-l3-lat
do
echo 4000 > $l3gold/mem_latency/ratio_ceil
done
# CPU6 L3 ratio ceil
for l3gold in $device/*cpu6-cpu-l3-lat/devfreq/*cpu6-cpu-l3-lat
do
echo 4000 > $l3gold/mem_latency/ratio_ceil
done
# prime L3 ratio ceil
for l3prime in $device/*cpu7-cpu-l3-lat/devfreq/*cpu7-cpu-l3-lat
do
echo 20000 > $l3prime/mem_latency/ratio_ceil
done
# qoslat ratio ceil
for qoslat in $device/*qoslat/devfreq/*qoslat
do
echo 50 > $qoslat/mem_latency/ratio_ceil
done
done
echo N > /sys/module/lpm_levels/parameters/sleep_disabled
echo deep > /sys/power/mem_sleep
# Enable fsc.
echo 1 > /sys/module/fsc/parameters/enable
configure_memory_parameters
# bin.zhong@ASTI, 2019/10/12, add for memplus
memplus_post_config=1
# huangwen.chen@OPTI, 2020/07/10, excute on first boot.
postboot_running=$(getprop vendor.sys.memplus.postboot 0)
if [ $postboot_running != 3 ];then
configure_memplus_parameters
fi
# Let kernel know our image version/variant/crm_version
if [ -f /sys/devices/soc0/select_image ]; then
image_version="10:"
image_version+=`getprop ro.build.id`
image_version+=":"
image_version+=`getprop ro.build.version.incremental`
image_variant=`getprop ro.product.name`
image_variant+="-"
image_variant+=`getprop ro.build.type`
oem_version=`getprop ro.build.version.codename`
echo 10 > /sys/devices/soc0/select_image
echo $image_version > /sys/devices/soc0/image_version
echo $image_variant > /sys/devices/soc0/image_variant
echo $oem_version > /sys/devices/soc0/image_crm_version
fi
# Change console log level as per console config property
console_config=`getprop persist.console.silent.config`
case "$console_config" in
"1")
echo "Enable console config to $console_config"
echo 0 > /proc/sys/kernel/printk
;;
*)
echo "Enable console config to $console_config"
;;
esac
setprop vendor.post_boot.parsed 1
# UFS add component info
UFS_PN=`cat /sys/devices/platform/soc/1d84000.ufshc/string_descriptors/product_name`
UFS_VENDOR=`cat /sys/devices/platform/soc/1d84000.ufshc/string_descriptors/manufacturer_name`
UFS_VERSION=`cat /sys/devices/platform/soc/1d84000.ufshc/string_descriptors/product_revision`
UFS_INFO="UFS "`echo ${UFS_PN} | tr -d "\r"`" "`echo ${UFS_VENDOR} | tr -d "\r"`" "`echo ${UFS_VERSION} | tr -d "\r"`
echo ${UFS_INFO}> /sys/project_info/add_component
#liochen@SYSTEM, 2020/11/02, Add for enable ufs performance
echo 0 > /sys/class/scsi_host/host0/../../../clkscale_enable