android_device_xiaomi_sm835.../rootdir/bin/init.kernel.post_boot-shima.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() {
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
}
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.
#
ProductName=`getprop ro.product.name`
configure_zram_parameters
configure_read_ahead_kb_values
echo 0 > /proc/sys/vm/page-cluster
echo 100 > /proc/sys/vm/swappiness
# Disable wsf beacause we are using efk.
# wsf Range : 1..1000. So set to bare minimum value 1.
echo 1 > /proc/sys/vm/watermark_scale_factor
echo 0 > /proc/sys/vm/watermark_boost_factor
#Spawn 2 kswapd threads which can help in fast reclaiming of pages
echo 2 > /proc/sys/vm/kswapd_threads
}
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 71 95 > /proc/sys/kernel/sched_upmigrate
echo 65 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 0 > /proc/sys/kernel/sched_coloc_busy_hysteresis_enable_cpus
# cpuset parameters
echo 0-3 > /dev/cpuset/background/cpus
echo 0-3 > /dev/cpuset/system-background/cpus
# 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
echo 1171200 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/hispeed_freq
echo 691200 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq
echo 0 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/pl
# configure input boost settings
echo "0:1171200" > /sys/devices/system/cpu/cpu_boost/input_boost_freq
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
echo 1209000 > /sys/devices/system/cpu/cpufreq/policy4/schedutil/hispeed_freq
echo 691200 > /sys/devices/system/cpu/cpufreq/policy4/scaling_min_freq
echo 85 > /sys/devices/system/cpu/cpufreq/policy4/schedutil/hispeed_load
echo -6 > /sys/devices/system/cpu/cpu4/sched_load_boost
echo -6 > /sys/devices/system/cpu/cpu5/sched_load_boost
echo -6 > /sys/devices/system/cpu/cpu6/sched_load_boost
echo 0 > /sys/devices/system/cpu/cpufreq/policy4/schedutil/rtg_boost_freq
echo 0 > /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
echo 1267000 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/hispeed_freq
echo 806400 > /sys/devices/system/cpu/cpufreq/policy7/scaling_min_freq
echo 85 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/hispeed_load
echo -6 > /sys/devices/system/cpu/cpu7/sched_load_boost
echo 0 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/rtg_boost_freq
echo 0 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/pl
# colocation V3 settings
echo 691200 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/rtg_boost_freq
echo 51 > /proc/sys/kernel/sched_min_task_util_for_boost
echo 35 > /proc/sys/kernel/sched_min_task_util_for_colocation
echo 20000000 > /proc/sys/kernel/sched_task_unfilter_period
# Enable conservative pl
echo 1 > /proc/sys/kernel/sched_conservative_pl
# 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 "2288 4577 7110 9155 12298 14236 15258" > $cpubw/bw_hwmon/mbps_zones
echo 4 > $cpubw/bw_hwmon/sample_ms
echo 68 > $cpubw/bw_hwmon/io_percent
echo 20 > $cpubw/bw_hwmon/hist_memory
echo 0 > $cpubw/bw_hwmon/hyst_length
echo 80 > $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 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 "1144 1720 2086 2929 3879 5931 6515 8136" > $llccbw/bw_hwmon/mbps_zones
elif [ ${ddr_type:4:2} == $ddr_type5 ]; then
echo "1144 1720 2086 2929 3879 5931 6515 7980 12191" > $llccbw/bw_hwmon/mbps_zones
fi
echo 4 > $llccbw/bw_hwmon/sample_ms
echo 68 > $llccbw/bw_hwmon/io_percent
echo 20 > $llccbw/bw_hwmon/hist_memory
echo 0 > $llccbw/bw_hwmon/hyst_length
echo 80 > $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 48 > $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 silver latfloor
for latfloor in $device/*cpu0-cpu*latfloor/devfreq/*cpu0-cpu*latfloor
do
cat $latfloor/available_frequencies | cut -d " " -f 1 > $latfloor/min_freq
echo 8 > $latfloor/polling_interval
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
echo 25000 > $l3gold/mem_latency/wb_filter_ratio
echo 60 > $l3gold/mem_latency/wb_pct_thres
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
echo 25000 > $l3gold/mem_latency/wb_filter_ratio
echo 60 > $l3gold/mem_latency/wb_pct_thres
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
echo 25000 > $l3gold/mem_latency/wb_filter_ratio
echo 60 > $l3gold/mem_latency/wb_pct_thres
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
echo 25000 > $l3prime/mem_latency/wb_filter_ratio
echo 60 > $l3prime/mem_latency/wb_pct_thres
done
# qoslat ratio ceil
for qoslat in $device/*qoslat/devfreq/*qoslat
do
echo 50 > $qoslat/mem_latency/ratio_ceil
done
done
# set s2idle as default suspend mode
echo s2idle > /sys/power/mem_sleep
configure_memory_parameters
# 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
setprop vendor.post_boot.parsed 1