#============================================================================= # Copyright (c) 2020 Qualcomm Technologies, Inc. # All Rights Reserved. # Confidential and Proprietary - Qualcomm Technologies, Inc. # # Copyright (c) 2012-2013, 2016-2020, 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 "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} # Zram disk - 75% for < 2GB devices . # For >2GB devices, size = 50% of RAM size. Limit the size to 4GB. 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 [ $zRamSizeMB -gt 4096 ]; then let zRamSizeMB=4096 fi if [ -f /sys/block/zram0/disksize ]; then if [ -f /sys/block/zram0/use_dedup ]; then echo 1 > /sys/block/zram0/use_dedup fi echo "$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 <= 4GB & # set 512 for > 4GB targets. if [ $MemTotal -le 4194304 ]; 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 2048) 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 0) 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 $ret" > /dev/kmsg return fi echo "memplus swapoff done" > /dev/kmsg echo 1 > /sys/block/zram0/reset echo zstd > /sys/block/zram0/comp_algorithm # huangwen.chen@OPTI, 2020/05/21 set zram disksize by property disksize=$(getprop persist.vendor.zwriteback.disksize 2048) 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 0) 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 swappiness to 180 for all targets echo 180 > /proc/sys/vm/swappiness echo 0 > /proc/sys/vm/direct_swappiness # Disable wsf for all targets beacause we are using efk. # wsf Range : 1..1000 So set to bare minimum value 1. echo 1 > /proc/sys/vm/watermark_scale_factor configure_zram_parameters configure_read_ahead_kb_values echo 0 > /proc/sys/vm/page-cluster #Spawn 2 kswapd threads which can help in fast reclaiming of pages echo 2 > /proc/sys/vm/kswapd_threads } # Core control parameters for silver echo 0 0 0 0 1 1 > /sys/devices/system/cpu/cpu0/core_ctl/not_preferred echo 4 > /sys/devices/system/cpu/cpu0/core_ctl/min_cpus echo 60 > /sys/devices/system/cpu/cpu0/core_ctl/busy_up_thres echo 40 > /sys/devices/system/cpu/cpu0/core_ctl/busy_down_thres echo 100 > /sys/devices/system/cpu/cpu0/core_ctl/offline_delay_ms echo 8 > /sys/devices/system/cpu/cpu0/core_ctl/task_thres # Enable Core control for Silver echo 1 > /sys/devices/system/cpu/cpu0/core_ctl/enable # Disable Core control on gold echo 0 > /sys/devices/system/cpu/cpu6/core_ctl/enable # Setting b.L scheduler parameters echo 65 > /proc/sys/kernel/sched_downmigrate echo 71 > /proc/sys/kernel/sched_upmigrate echo 85 > /proc/sys/kernel/sched_group_downmigrate echo 100 > /proc/sys/kernel/sched_group_upmigrate echo 1 > /proc/sys/kernel/sched_walt_rotate_big_tasks echo 0 > /proc/sys/kernel/sched_coloc_busy_hysteresis_enable_cpus echo 0 > /proc/sys/kernel/sched_busy_hysteresis_enable_cpus echo 5 > /proc/sys/kernel/sched_ravg_window_nr_ticks # disable unfiltering echo 20000000 > /proc/sys/kernel/sched_task_unfilter_period # cpuset parameters echo 0-5 > /dev/cpuset/background/cpus echo 0-5 > /dev/cpuset/system-background/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 echo 1190400 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/hispeed_freq echo 576000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq # configure governor settings for gold cluster echo "schedutil" > /sys/devices/system/cpu/cpufreq/policy6/scaling_governor echo 0 > /sys/devices/system/cpu/cpufreq/policy6/schedutil/down_rate_limit_us echo 0 > /sys/devices/system/cpu/cpufreq/policy6/schedutil/up_rate_limit_us echo 1248000 > /sys/devices/system/cpu/cpufreq/policy6/schedutil/hispeed_freq echo 768000 > /sys/devices/system/cpu/cpufreq/policy6/scaling_min_freq # Colocation V3 settings echo 680000 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/rtg_boost_freq echo 0 > /sys/devices/system/cpu/cpufreq/policy6/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 # sched_load_boost as -6 is equivalent to target load as 85. It is per cpu tunable. echo -6 > /sys/devices/system/cpu/cpu6/sched_load_boost echo -6 > /sys/devices/system/cpu/cpu7/sched_load_boost echo 85 > /sys/devices/system/cpu/cpufreq/policy6/schedutil/hispeed_load # configure input boost settings echo "0:1804800" > /sys/devices/system/cpu/cpu_boost/input_boost_freq echo 120 > /sys/devices/system/cpu/cpu_boost/input_boost_ms # Enable bus-dcvs for device in /sys/devices/platform/soc do for cpubw in $device/*cpu-cpu-ddr-bw/devfreq/*cpu-cpu-ddr-bw do cat $cpubw/available_frequencies | cut -d " " -f 1 > $cpubw/min_freq echo "bw_hwmon" > $cpubw/governor echo "1144 1720 2086 2929 3879 5931 6881 8137" > $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 # 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/*cpu6-cpu*latfloor/devfreq/*cpu6-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 DDR scaling 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 #Gold 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 #Gold CPU7 L3 ratio ceil for l3gold in $device/*cpu7-cpu-l3-lat/devfreq/*cpu7-cpu-l3-lat do echo 4000 > $l3gold/mem_latency/ratio_ceil echo 25000 > $l3gold/mem_latency/wb_filter_ratio echo 60 > $l3gold/mem_latency/wb_pct_thres done done echo N > /sys/module/lpm_levels/parameters/sleep_disabled configure_memory_parameters # bin.zhong@ASTI, 2019/10/12, add for memplus memplus_post_config=1 # huangwen.chen@OPTI, 2020/07/10, excute on first boot. postboot_running=$(getprop vendor.sys.memplus.postboot 0) if [ $postboot_running != 3 ];then configure_memplus_parameters fi setprop vendor.post_boot.parsed 1 # UFS add component info UFS_PN=`cat /sys/devices/platform/soc/4804000.ufshc/string_descriptors/product_name` UFS_VENDOR=`cat /sys/devices/platform/soc/4804000.ufshc/string_descriptors/manufacturer_name` UFS_VERSION=`cat /sys/devices/platform/soc/4804000.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