sm7125-common : fine tuned the post boot script
- Improved the overall script behaviour
This commit is contained in:
theshaenix
@@ -4,15 +4,15 @@
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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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# * 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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@@ -31,62 +31,148 @@
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# SPDX-License-Identifier: BSD-3-Clause-Clear
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#
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function configure_zram_parameters() {
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swapoff /dev/block/zram0 2>/dev/null || true
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# Reset zram device
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[ -w /sys/block/zram0/reset ] && echo 1 > /sys/block/zram0/reset
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# Set compression algorithm (LZ4 optimized for ARM Cortex-A76/A55)
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echo lz4 > /sys/block/zram0/comp_algorithm 2>/dev/null || return 1
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# Optimize compression streams for 8-core big.LITTLE (2x A76 + 6x A55)
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echo 4 > /sys/block/zram0/max_comp_streams 2>/dev/null || true
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# Set 4GB zram size
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echo 4294967296 > /sys/block/zram0/disksize 2>/dev/null || return 1
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# Initialize and enable swap
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mkswap /dev/block/zram0 2>/dev/null || return 1
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swapon /dev/block/zram0 -p 32758 2>/dev/null || return 1
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# VM tuning - Optimized for Realme 6 Pro mobile workloads
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{
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# Swappiness: Slightly higher for 4GB zram to utilize it effectively
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echo 100 > /proc/sys/vm/swappiness
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# Cache pressure: Aggressive reclaim for mobile RAM management
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echo 100 > /proc/sys/vm/vfs_cache_pressure
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# Page-cluster: Small reads optimal for mobile flash + zram combo
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echo 1 > /proc/sys/vm/page-cluster
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# Dirty ratios: Conservative for mobile storage longevity
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echo 20 > /proc/sys/vm/dirty_ratio
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echo 5 > /proc/sys/vm/dirty_background_ratio
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echo 20 > /proc/sys/vm/dirty_ratio
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echo 2000 > /proc/sys/vm/dirty_expire_centisecs
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function configure_read_ahead_kb_values() {
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MemTotalStr=`cat /proc/meminfo | grep MemTotal`
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MemTotal=${MemTotalStr:16:8}
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# Prevent early LMK: proper memory reserve
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echo 15000 > /proc/sys/vm/extra_free_kbytes
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echo 38000 > /proc/sys/vm/min_free_kbytes
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dmpts=$(ls /sys/block/*/queue/read_ahead_kb | grep -e dm -e mmc)
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# Stable overcommit
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echo 0 > /proc/sys/vm/overcommit_memory
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echo 50 > /proc/sys/vm/overcommit_ratio
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# Additional mobile optimizations for Snapdragon 720G
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echo 1 > /proc/sys/vm/compact_memory 2>/dev/null || true
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echo 0 > /proc/sys/vm/oom_kill_allocating_task 2>/dev/null || true
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# Optimize readahead for mobile storage patterns
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echo 128 > /sys/block/*/queue/read_ahead_kb 2>/dev/null || true
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} 2>/dev/null
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return 0
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# Set 128 for <= 3GB &
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# set 512 for >= 4GB targets.
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if [ $MemTotal -le 3145728 ]; then
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echo 128 > /sys/block/mmcblk0/bdi/read_ahead_kb
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echo 128 > /sys/block/mmcblk0rpmb/bdi/read_ahead_kb
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for dm in $dmpts; do
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echo 128 > $dm
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done
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else
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echo 512 > /sys/block/mmcblk0/bdi/read_ahead_kb
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echo 512 > /sys/block/mmcblk0rpmb/bdi/read_ahead_kb
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for dm in $dmpts; do
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echo 512 > $dm
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done
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fi
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}
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function enable_swap() {
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# Enable swap if not already enabled
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if [ ! -f /proc/swaps ] || [ -z "$(cat /proc/swaps | grep zram0)" ]; then
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return 0
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fi
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}
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function configure_memory_parameters() {
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# Unified memory configuration for Atoll device (Realme 6 Pro: 6GB/8GB RAM)
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# Combines ZRAM setup and memory management parameters
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ProductName=`getprop ro.product.name`
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arch_type=`uname -m`
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MemTotalStr=`cat /proc/meminfo | grep MemTotal`
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MemTotal=${MemTotalStr:16:8}
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# Configure ZRAM parameters with LZ4 compression
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echo lz4 > /sys/block/zram0/comp_algorithm
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echo 100 > /proc/sys/vm/swappiness
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echo 60 > /proc/sys/vm/direct_swappiness
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echo 0 > /proc/sys/vm/page-cluster
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if [ -f /sys/block/zram0/disksize ]; then
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# Enable deduplication if available
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if [ -f /sys/block/zram0/use_dedup ]; then
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echo 1 > /sys/block/zram0/use_dedup
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fi
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# Configure ZRAM size based on total RAM
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if [ $MemTotal -le 4194304 ]; then
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# 4GB RAM: 2.5GB ZRAM
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echo 2684354560 > /sys/block/zram0/disksize
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echo 4 > /sys/module/lowmemorykiller/parameters/almk_totalram_ratio
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elif [ $MemTotal -le 6291456 ]; then
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# 6GB RAM: 3GB ZRAM
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echo 3221225472 > /sys/block/zram0/disksize
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echo 6 > /sys/module/lowmemorykiller/parameters/almk_totalram_ratio
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elif [ $MemTotal -le 8388608 ]; then
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# 8GB RAM: 4GB ZRAM
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echo 4294967296 > /sys/block/zram0/disksize
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echo 8 > /sys/module/lowmemorykiller/parameters/almk_totalram_ratio
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else
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# 12GB+ RAM: 5GB ZRAM
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echo 5368709120 > /sys/block/zram0/disksize
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echo 10 > /sys/module/lowmemorykiller/parameters/almk_totalram_ratio
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fi
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# Initialize and enable ZRAM swap
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mkswap /dev/block/zram0
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swapon /dev/block/zram0 -p 32758
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fi
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# Configure Low Memory Killer parameters
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# Read adj series and set adj threshold for PPR and ALMK
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adj_series=`cat /sys/module/lowmemorykiller/parameters/adj`
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adj_1="${adj_series#*,}"
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set_almk_ppr_adj="${adj_1%%,*}"
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# Calculate PPR adj threshold (HOME adj and below should not be affected)
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set_almk_ppr_adj=$(((set_almk_ppr_adj * 6) + 6))
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echo $set_almk_ppr_adj > /sys/module/lowmemorykiller/parameters/adj_max_shift
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# Calculate vmpressure_file_min for 64-bit architecture
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if [ "$arch_type" == "aarch64" ]; then
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minfree_series=`cat /sys/module/lowmemorykiller/parameters/minfree`
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minfree_1="${minfree_series#*,}"
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rem_minfree_1="${minfree_1%%,*}"
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minfree_2="${minfree_1#*,}"
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rem_minfree_2="${minfree_2%%,*}"
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minfree_3="${minfree_2#*,}"
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rem_minfree_3="${minfree_3%%,*}"
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minfree_4="${minfree_3#*,}"
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rem_minfree_4="${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 $vmpres_file_min > /sys/module/lowmemorykiller/parameters/vmpressure_file_min
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fi
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# Enable Adaptive LMK
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echo 1 > /sys/module/lowmemorykiller/parameters/enable_adaptive_lmk
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# Enable OOM reaper
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if [ -f /sys/module/lowmemorykiller/parameters/oom_reaper ]; then
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echo 1 > /sys/module/lowmemorykiller/parameters/oom_reaper
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fi
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# Configure Process Reclaim parameters
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if [ -f /sys/devices/soc0/soc_id ]; then
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soc_id=`cat /sys/devices/soc0/soc_id`
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else
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soc_id=`cat /sys/devices/system/soc/soc0/id`
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fi
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# Set PPR parameters (excluding premium SoCs)
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case "$soc_id" in
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"321" | "341" | "292" | "319" | "246" | "291" | "305" | "312")
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# Skip PPR for premium targets
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;;
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*)
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echo $set_almk_ppr_adj > /sys/module/process_reclaim/parameters/min_score_adj
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echo 1 > /sys/module/process_reclaim/parameters/enable_process_reclaim
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echo 50 > /sys/module/process_reclaim/parameters/pressure_min
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echo 70 > /sys/module/process_reclaim/parameters/pressure_max
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echo 30 > /sys/module/process_reclaim/parameters/swap_opt_eff
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echo 512 > /sys/module/process_reclaim/parameters/per_swap_size
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;;
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esac
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# Set global VM parameters
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echo 0 > /sys/module/vmpressure/parameters/allocstall_threshold
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echo 1 > /proc/sys/vm/watermark_scale_factor
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# Configure read-ahead values
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configure_read_ahead_kb_values
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# Enable swap
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enable_swap
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}
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# Core control parameters on silver
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echo 0 0 0 0 1 1 > /sys/devices/system/cpu/cpu0/core_ctl/not_preferred
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@@ -106,109 +192,94 @@ echo 85 > /proc/sys/kernel/sched_group_downmigrate
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echo 100 > /proc/sys/kernel/sched_group_upmigrate
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echo 1 > /proc/sys/kernel/sched_walt_rotate_big_tasks
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#colocation v3 settings
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# Colocation v3 settings
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echo 740000 > /proc/sys/kernel/sched_little_cluster_coloc_fmin_khz
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# configure governor settings for little cluster
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# Configure governor settings for little cluster
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echo "schedutil" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
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echo 0 > /sys/devices/system/cpu/cpu0/cpufreq/schedutil/up_rate_limit_us
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echo 0 > /sys/devices/system/cpu/cpu0/cpufreq/schedutil/down_rate_limit_us
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echo 500 > /sys/devices/system/cpu/cpu0/cpufreq/schedutil/up_rate_limit_us
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echo 20000 > /sys/devices/system/cpu/cpu0/cpufreq/schedutil/down_rate_limit_us
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echo 1248000 > /sys/devices/system/cpu/cpu0/cpufreq/schedutil/hispeed_freq
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echo 576000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
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# configure governor settings for big cluster
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# Configure governor settings for big cluster
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echo "schedutil" > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
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echo 0 > /sys/devices/system/cpu/cpu6/cpufreq/schedutil/up_rate_limit_us
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echo 0 > /sys/devices/system/cpu/cpu6/cpufreq/schedutil/down_rate_limit_us
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echo 500 > /sys/devices/system/cpu/cpu6/cpufreq/schedutil/up_rate_limit_us
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echo 20000 > /sys/devices/system/cpu/cpu6/cpufreq/schedutil/down_rate_limit_us
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echo 1267200 > /sys/devices/system/cpu/cpu6/cpufreq/schedutil/hispeed_freq
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echo 652800 > /sys/devices/system/cpu/cpu6/cpufreq/scaling_min_freq
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# sched_load_boost as -6 is equivalent to target load as 85. It is per cpu tunable.
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echo -6 > /sys/devices/system/cpu/cpu6/sched_load_boost
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echo -6 > /sys/devices/system/cpu/cpu7/sched_load_boost
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echo -6 > /sys/devices/system/cpu/cpu6/sched_load_boost
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echo -6 > /sys/devices/system/cpu/cpu7/sched_load_boost
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echo 85 > /sys/devices/system/cpu/cpu6/cpufreq/schedutil/hispeed_load
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# Enable conservative pl for power save
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echo 1 > /proc/sys/kernel/sched_conservative_pl
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echo "0:1248000" > /sys/module/cpu_boost/parameters/input_boost_freq
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echo 40 > /sys/module/cpu_boost/parameters/input_boost_ms
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# Set Memory parameters
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configure_memory_parameters
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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 "2288 4577 7110 9155 12298 14236" > $cpubw/bw_hwmon/mbps_zones
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echo 4 > $cpubw/bw_hwmon/sample_ms
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echo 68 > $cpubw/bw_hwmon/io_percent
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echo 20 > $cpubw/bw_hwmon/hist_memory
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echo 0 > $cpubw/bw_hwmon/hyst_length
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echo 80 > $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 50 > $cpubw/polling_interval
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done
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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 "2288 4577 7110 9155 12298 14236" > $cpubw/bw_hwmon/mbps_zones
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echo 4 > $cpubw/bw_hwmon/sample_ms
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echo 68 > $cpubw/bw_hwmon/io_percent
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echo 20 > $cpubw/bw_hwmon/hist_memory
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echo 0 > $cpubw/bw_hwmon/hyst_length
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echo 80 > $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 50 > $cpubw/polling_interval
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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 "1144 1720 2086 2929 3879 5931 6881 8137" > $llccbw/bw_hwmon/mbps_zones
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echo 4 > $llccbw/bw_hwmon/sample_ms
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echo 68 > $llccbw/bw_hwmon/io_percent
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echo 20 > $llccbw/bw_hwmon/hist_memory
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echo 0 > $llccbw/bw_hwmon/hyst_length
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echo 80 > $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 40 > $llccbw/polling_interval
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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 "1144 1720 2086 2929 3879 5931 6881 8137" > $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 10 > $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 40 > $npubw/polling_interval
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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 cdspl3 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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#Gold L3 ratio ceil
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echo 4000 > /sys/class/devfreq/soc:qcom,cpu6-cpu-l3-lat/mem_latency/ratio_ceil
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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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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 "1144 1720 2086 2929 3879 5931 6881 8137" > $llccbw/bw_hwmon/mbps_zones
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echo 4 > $llccbw/bw_hwmon/sample_ms
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echo 68 > $llccbw/bw_hwmon/io_percent
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echo 20 > $llccbw/bw_hwmon/hist_memory
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echo 0 > $llccbw/bw_hwmon/hyst_length
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echo 80 > $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 40 > $llccbw/polling_interval
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done
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|
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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 "1144 1720 2086 2929 3879 5931 6881 8137" > $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
|
||||
echo 20 > $npubw/bw_hwmon/hist_memory
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||||
echo 10 > $npubw/bw_hwmon/hyst_length
|
||||
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
|
||||
echo 0 > $npubw/bw_hwmon/idle_mbps
|
||||
echo 40 > $npubw/polling_interval
|
||||
echo 0 > /sys/devices/virtual/npu/msm_npu/pwr
|
||||
done
|
||||
done
|
||||
|
||||
# cpuset parameters
|
||||
echo 0-5 > /dev/cpuset/background/cpus
|
||||
# memlat specific settings are moved to separate file under
|
||||
# device/target specific folder
|
||||
setprop vendor.dcvs.prop 1
|
||||
|
||||
# cpuset parameters for power save
|
||||
echo 0-3 > /dev/cpuset/background/cpus
|
||||
echo 0-5 > /dev/cpuset/system-background/cpus
|
||||
|
||||
# Turn off scheduler boost at the end
|
||||
@@ -217,8 +288,8 @@ echo 0 > /proc/sys/kernel/sched_boost
|
||||
# Turn on sleep modes
|
||||
echo 0 > /sys/module/lpm_levels/parameters/sleep_disabled
|
||||
|
||||
# configure zram
|
||||
configure_zram_parameters
|
||||
# Change IO scheduler to noop for better performance
|
||||
echo noop > /sys/block/sda/queue/scheduler
|
||||
|
||||
# Post-setup services
|
||||
setprop vendor.post_boot.parsed 1
|
||||
# Create 1 kswapd thread
|
||||
echo 1 > /proc/sys/vm/kswapd_threads
|
||||
Reference in New Issue
Block a user