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#! /vendor/bin/sh
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# Copyright (c) 2012-2013, 2016-2019, The Linux Foundation. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of The Linux Foundation nor
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# the names of its contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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target=`getprop ro.board.platform`
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function configure_memory_parameters() {
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# Set Memory parameters.
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#
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# Set per_process_reclaim tuning parameters
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# All targets will use vmpressure range 50-70,
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# All targets will use 512 pages swap size.
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#
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# Set Low memory killer minfree parameters
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# 64 bit will use Google default LMK series.
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#
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# Set ALMK parameters (usually above the highest minfree values)
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# vmpressure_file_min threshold is always set slightly higher
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# than LMK minfree's last bin value for all targets. It is calculated as
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# vmpressure_file_min = (last bin - second last bin ) + last bin
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# Read adj series and set adj threshold for PPR and ALMK.
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# This is required since adj values change from framework to framework.
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adj_series=`cat /sys/module/lowmemorykiller/parameters/adj`
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adj_1="${adj_series#*,}"
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set_almk_ppr_adj="${adj_1%%,*}"
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# PPR and ALMK should not act on HOME adj and below.
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# Normalized ADJ for HOME is 6. Hence multiply by 6
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# ADJ score represented as INT in LMK params, actual score can be in decimal
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# Hence add 6 considering a worst case of 0.9 conversion to INT (0.9*6).
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# For uLMK + Memcg, this will be set as 6 since adj is zero.
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set_almk_ppr_adj=$(((set_almk_ppr_adj * 6) + 6))
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echo $set_almk_ppr_adj > /sys/module/lowmemorykiller/parameters/adj_max_shift
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# Calculate vmpressure_file_min as below & set for 64 bit:
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# vmpressure_file_min = last_lmk_bin + (last_lmk_bin - last_but_one_lmk_bin)
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minfree_series=`cat /sys/module/lowmemorykiller/parameters/minfree`
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minfree_1="${minfree_series#*,}" ; rem_minfree_1="${minfree_1%%,*}"
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minfree_2="${minfree_1#*,}" ; rem_minfree_2="${minfree_2%%,*}"
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minfree_3="${minfree_2#*,}" ; rem_minfree_3="${minfree_3%%,*}"
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minfree_4="${minfree_3#*,}" ; rem_minfree_4="${minfree_4%%,*}"
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minfree_5="${minfree_4#*,}"
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vmpres_file_min=$((minfree_5 + (minfree_5 - rem_minfree_4)))
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echo $vmpres_file_min > /sys/module/lowmemorykiller/parameters/vmpressure_file_min
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# Enable adaptive LMK for all targets &
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# use Google default LMK series for all 64-bit targets >=2GB.
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echo 1 > /sys/module/lowmemorykiller/parameters/enable_adaptive_lmk
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echo 1 > /sys/module/lowmemorykiller/parameters/oom_reaper
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}
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case "$target" in
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"msmnile")
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# Enable EAS
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echo 1 > /proc/sys/kernel/sched_energy_aware
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# Setting b.L scheduler parameters
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echo 95 95 > /proc/sys/kernel/sched_upmigrate
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echo 85 85 > /proc/sys/kernel/sched_downmigrate
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# Configure governor settings for silver cluster
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echo "schedutil" > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
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echo 1 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/iowait_boost_enable
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# Configure governor settings for gold cluster
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echo "schedutil" > /sys/devices/system/cpu/cpufreq/policy4/scaling_governor
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echo 1 > /sys/devices/system/cpu/cpufreq/policy4/schedutil/iowait_boost_enable
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# Configure governor settings for gold+ cluster
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echo "schedutil" > /sys/devices/system/cpu/cpufreq/policy7/scaling_governor
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echo 1 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/iowait_boost_enable
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# Disable wsf, beacause we are using efk.
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# wsf Range : 1..1000 So set to bare minimum value 1.
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echo 1 > /proc/sys/vm/watermark_scale_factor
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# Enable bus-dcvs
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for device in /sys/devices/platform/soc
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do
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for cpubw in $device/*cpu-cpu-llcc-bw/devfreq/*cpu-cpu-llcc-bw
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do
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echo "bw_hwmon" > $cpubw/governor
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echo 40 > $cpubw/polling_interval
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echo "2288 4577 7110 9155 12298 14236 15258" > $cpubw/bw_hwmon/mbps_zones
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echo 4 > $cpubw/bw_hwmon/sample_ms
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echo 50 > $cpubw/bw_hwmon/io_percent
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echo 20 > $cpubw/bw_hwmon/hist_memory
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echo 10 > $cpubw/bw_hwmon/hyst_length
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echo 30 > $cpubw/bw_hwmon/down_thres
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echo 0 > $cpubw/bw_hwmon/guard_band_mbps
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echo 250 > $cpubw/bw_hwmon/up_scale
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echo 1600 > $cpubw/bw_hwmon/idle_mbps
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echo 14236 > $cpubw/max_freq
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done
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for llccbw in $device/*cpu-llcc-ddr-bw/devfreq/*cpu-llcc-ddr-bw
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do
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echo "bw_hwmon" > $llccbw/governor
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echo 40 > $llccbw/polling_interval
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echo "1720 2929 3879 5931 6881 7980" > $llccbw/bw_hwmon/mbps_zones
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echo 4 > $llccbw/bw_hwmon/sample_ms
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echo 80 > $llccbw/bw_hwmon/io_percent
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echo 20 > $llccbw/bw_hwmon/hist_memory
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echo 10 > $llccbw/bw_hwmon/hyst_length
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echo 30 > $llccbw/bw_hwmon/down_thres
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echo 0 > $llccbw/bw_hwmon/guard_band_mbps
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echo 250 > $llccbw/bw_hwmon/up_scale
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echo 1600 > $llccbw/bw_hwmon/idle_mbps
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echo 6881 > $llccbw/max_freq
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done
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for npubw in $device/*npu-npu-ddr-bw/devfreq/*npu-npu-ddr-bw
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do
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echo 1 > /sys/devices/virtual/npu/msm_npu/pwr
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echo "bw_hwmon" > $npubw/governor
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echo 40 > $npubw/polling_interval
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echo "1720 2929 3879 5931 6881 7980" > $npubw/bw_hwmon/mbps_zones
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echo 4 > $npubw/bw_hwmon/sample_ms
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echo 80 > $npubw/bw_hwmon/io_percent
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echo 20 > $npubw/bw_hwmon/hist_memory
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echo 6 > $npubw/bw_hwmon/hyst_length
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echo 30 > $npubw/bw_hwmon/down_thres
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echo 0 > $npubw/bw_hwmon/guard_band_mbps
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echo 250 > $npubw/bw_hwmon/up_scale
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echo 0 > $npubw/bw_hwmon/idle_mbps
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echo 0 > /sys/devices/virtual/npu/msm_npu/pwr
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done
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# Enable mem_latency governor for L3, LLCC, and DDR scaling
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for memlat in $device/*cpu*-lat/devfreq/*cpu*-lat
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do
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echo "mem_latency" > $memlat/governor
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echo 10 > $memlat/polling_interval
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echo 400 > $memlat/mem_latency/ratio_ceil
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done
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# Enable userspace governor for L3 cdsp nodes
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for l3cdsp in $device/*cdsp-cdsp-l3-lat/devfreq/*cdsp-cdsp-l3-lat
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do
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echo "cdspl3" > $l3cdsp/governor
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done
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# Enable compute governor for gold latfloor
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for latfloor in $device/*cpu-ddr-latfloor*/devfreq/*cpu-ddr-latfloor*
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do
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echo "compute" > $latfloor/governor
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echo 10 > $latfloor/polling_interval
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done
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# Gold L3 ratio ceil
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for l3gold in $device/*cpu4-cpu-l3-lat/devfreq/*cpu4-cpu-l3-lat
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do
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echo 4000 > $l3gold/mem_latency/ratio_ceil
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done
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# Prime L3 ratio ceil
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for l3prime in $device/*cpu7-cpu-l3-lat/devfreq/*cpu7-cpu-l3-lat
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do
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echo 20000 > $l3prime/mem_latency/ratio_ceil
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done
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done
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# Set Memory parameters
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configure_memory_parameters
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echo "18432,23040,27648,38708,120640,144768" > /sys/module/lowmemorykiller/parameters/minfree
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;;
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esac
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setprop vendor.post_boot.parsed 1
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Arian