d5b0780c14
* Synced post_boot script from Evolution-X miatolls common tree https://github.com/Evolution-X-Devices/device_xiaomi_sm6250-common/blob/bka/rootdir/bin/init.qcom.post_boot-atoll.sh
222 lines
8.7 KiB
Bash
222 lines
8.7 KiB
Bash
#! /vendor/bin/sh
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# Copyright (c) 2012-2013, 2016-2020, 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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# Changes from Qualcomm Innovation Center are provided under the following license:
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# Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
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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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# Extra free memory: Buffer for smooth operation
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echo 1024 > /proc/sys/vm/extra_free_kbytes
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# Memory overcommit: Conservative for stability
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echo 1 > /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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}
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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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echo 4 > /sys/devices/system/cpu/cpu0/core_ctl/min_cpus
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echo 60 > /sys/devices/system/cpu/cpu0/core_ctl/busy_up_thres
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echo 40 > /sys/devices/system/cpu/cpu0/core_ctl/busy_down_thres
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echo 100 > /sys/devices/system/cpu/cpu0/core_ctl/offline_delay_ms
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echo 8 > /sys/devices/system/cpu/cpu0/core_ctl/task_thres
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echo 0 > /sys/devices/system/cpu/cpu6/core_ctl/enable
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# Setting b.L scheduler parameters
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# default sched up and down migrate values are 95 and 85
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echo 65 > /proc/sys/kernel/sched_downmigrate
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echo 71 > /proc/sys/kernel/sched_upmigrate
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# default sched up and down migrate values are 100 and 95
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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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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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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 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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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 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 85 > /sys/devices/system/cpu/cpu6/cpufreq/schedutil/hispeed_load
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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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# 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 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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done
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# cpuset parameters
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echo 0-5 > /dev/cpuset/background/cpus
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echo 0-5 > /dev/cpuset/system-background/cpus
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# Turn off scheduler boost at the end
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echo 0 > /proc/sys/kernel/sched_boost
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# Turn on sleep modes
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echo 0 > /sys/module/lpm_levels/parameters/sleep_disabled
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# configure zram
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configure_zram_parameters
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# Post-setup services
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setprop vendor.post_boot.parsed 1
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