2020-01-20 19:23:26 +00:00
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#!/system/bin/sh
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2019-12-05 23:17:29 +00:00
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################################################################################
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# helper functions to allow Android init like script
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function write() {
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echo -n $2 > $1
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}
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2020-01-20 19:23:26 +00:00
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function copy() {
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cat $1 > $2
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}
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2019-12-05 23:17:29 +00:00
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function get-set-forall() {
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for f in $1 ; do
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cat $f
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write $f $2
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done
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}
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################################################################################
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# disable thermal bcl hotplug to switch governor
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write /sys/module/msm_thermal/core_control/enabled 0
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get-set-forall /sys/devices/soc.0/qcom,bcl.*/mode disable
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bcl_hotplug_mask=`get-set-forall /sys/devices/soc.0/qcom,bcl.*/hotplug_mask 0`
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bcl_hotplug_soc_mask=`get-set-forall /sys/devices/soc.0/qcom,bcl.*/hotplug_soc_mask 0`
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2020-01-20 19:23:26 +00:00
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get-set-forall /sys/devices/soc.0/qcom,bcl.*/mode enable
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2019-12-05 23:17:29 +00:00
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# some files in /sys/devices/system/cpu are created after the restorecon of
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# /sys/. These files receive the default label "sysfs".
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2020-01-20 19:23:26 +00:00
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# Restorecon again to give new files the correct label.
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2019-12-05 23:17:29 +00:00
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restorecon -R /sys/devices/system/cpu
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# ensure at most one A57 is online when thermal hotplug is disabled
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write /sys/devices/system/cpu/cpu5/online 0
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write /sys/devices/system/cpu/cpu6/online 0
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write /sys/devices/system/cpu/cpu7/online 0
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2020-01-20 19:23:26 +00:00
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# Best effort limiting for first time boot if msm_performance module is absent
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write /sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq 960000
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2019-12-05 23:17:29 +00:00
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2020-01-20 19:23:26 +00:00
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# Limit A57 max freq from msm_perf module in case CPU 4 is offline
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write /sys/module/msm_performance/parameters/cpu_max_freq "4:960000 5:960000 6:960000 7:960000"
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2019-12-05 23:17:29 +00:00
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# configure governor settings for little cluster
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write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor interactive
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restorecon -R /sys/devices/system/cpu # must restore after interactive
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write /sys/devices/system/cpu/cpu0/cpufreq/interactive/use_sched_load 1
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write /sys/devices/system/cpu/cpu0/cpufreq/interactive/use_migration_notif 1
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write /sys/devices/system/cpu/cpu0/cpufreq/interactive/above_hispeed_delay 19000
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write /sys/devices/system/cpu/cpu0/cpufreq/interactive/go_hispeed_load 90
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2020-01-20 19:23:26 +00:00
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write /sys/devices/system/cpu/cpu0/cpufreq/interactive/timer_rate 10000
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2019-12-05 23:17:29 +00:00
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write /sys/devices/system/cpu/cpu0/cpufreq/interactive/hispeed_freq 960000
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write /sys/devices/system/cpu/cpu0/cpufreq/interactive/io_is_busy 1
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2020-01-20 19:23:26 +00:00
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write /sys/devices/system/cpu/cpu0/cpufreq/interactive/target_loads 85
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write /sys/devices/system/cpu/cpu0/cpufreq/interactive/min_sample_time 20000
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write /sys/devices/system/cpu/cpu0/cpufreq/interactive/max_freq_hysteresis 20000
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2019-12-05 23:17:29 +00:00
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write /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq 384000
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2020-01-20 19:23:26 +00:00
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# online CPU4
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write /sys/devices/system/cpu/cpu4/online 1
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2019-12-05 23:17:29 +00:00
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# configure governor settings for big cluster
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write /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor interactive
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restorecon -R /sys/devices/system/cpu # must restore after interactive
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/use_sched_load 1
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/use_migration_notif 1
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2020-01-20 19:23:26 +00:00
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/above_hispeed_delay "19000 1400000:39000 1700000:19000"
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2019-12-05 23:17:29 +00:00
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/go_hispeed_load 90
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2020-01-20 19:23:26 +00:00
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/timer_rate 10000
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2019-12-05 23:17:29 +00:00
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/hispeed_freq 1248000
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/io_is_busy 1
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2020-01-20 19:23:26 +00:00
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/target_loads "85 1500000:90 1800000:70"
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2019-12-05 23:17:29 +00:00
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/min_sample_time 40000
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2020-01-20 19:23:26 +00:00
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/max_freq_hysteresis 20000
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write /sys/devices/system/cpu/cpu4/cpufreq/interactive/timer_slack 10000
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2019-12-05 23:17:29 +00:00
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write /sys/devices/system/cpu/cpu4/cpufreq/scaling_min_freq 384000
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2020-01-20 19:23:26 +00:00
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# Enable boost for cgroup's tasks
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write /dev/cpuctl/cpu.sched_boost 1
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# Disallow upmigrate for cgroup's tasks
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write /dev/cpuctl/bg_non_interactive/cpu.upmigrate_discourage 1
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# restore A57's max
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copy /sys/devices/system/cpu/cpu4/cpufreq/cpuinfo_max_freq /sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq
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2019-12-05 23:17:29 +00:00
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# plugin remaining A57s
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write /sys/devices/system/cpu/cpu5/online 1
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write /sys/devices/system/cpu/cpu6/online 1
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write /sys/devices/system/cpu/cpu7/online 1
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2020-01-20 19:23:26 +00:00
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# Restore CPU 4 max freq from msm_performance
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write /sys/module/msm_performance/parameters/cpu_max_freq "4:4294967295 5:4294967295 6:4294967295 7:4294967295"
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# input boost configuration
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write /sys/module/cpu_boost/parameters/input_boost_freq "0:1344000"
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write /sys/module/cpu_boost/parameters/input_boost_ms 40
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2019-12-05 23:17:29 +00:00
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# Configure core_ctl module parameters
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write /sys/devices/system/cpu/cpu4/core_ctl/max_cpus 4
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2020-01-20 19:23:26 +00:00
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write /sys/devices/system/cpu/cpu4/core_ctl/min_cpus 1
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2019-12-05 23:17:29 +00:00
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write /sys/devices/system/cpu/cpu4/core_ctl/busy_up_thres 60
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write /sys/devices/system/cpu/cpu4/core_ctl/busy_down_thres 30
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2020-01-20 19:23:26 +00:00
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write /sys/devices/system/cpu/cpu4/core_ctl/offline_delay_ms 100
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2020-01-20 15:30:22 +00:00
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write /sys/devices/system/cpu/cpu4/core_ctl/is_big_cluster 1
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2020-01-20 19:23:26 +00:00
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write /sys/devices/system/cpu/cpu4/core_ctl/task_thres 4
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2019-12-05 23:17:29 +00:00
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# Setting B.L scheduler parameters
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write /proc/sys/kernel/sched_migration_fixup 1
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2020-01-20 19:23:26 +00:00
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write /proc/sys/kernel/sched_small_task 60
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write /proc/sys/kernel/sched_upmigrate 99
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write /proc/sys/kernel/sched_downmigrate 90
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write /proc/sys/kernel/sched_init_task_load 30
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2019-12-05 23:17:29 +00:00
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write /proc/sys/kernel/sched_freq_inc_notify 400000
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write /proc/sys/kernel/sched_freq_dec_notify 400000
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2020-01-20 19:23:26 +00:00
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get-set-forall /sys/devices/system/cpu/cpu\[0-3\]/sched_mostly_idle_nr_run 5
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get-set-forall /sys/devices/system/cpu/cpu\[0-3\]/sched_mostly_idle_load 60
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get-set-forall /sys/devices/system/cpu/cpu\[0-3\]/sched_mostly_idle_freq 960000
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get-set-forall /sys/devices/system/cpu/cpu\[0-3\]/sched_prefer_idle 0
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get-set-forall /sys/devices/system/cpu/cpu\[4-7\]/sched_mostly_idle_nr_run 3
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get-set-forall /sys/devices/system/cpu/cpu\[4-7\]/sched_mostly_idle_load 20
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get-set-forall /sys/devices/system/cpu/cpu\[4-7\]/sched_mostly_idle_freq 0
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get-set-forall /sys/devices/system/cpu/cpu\[4-7\]/sched_prefer_idle 0
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# android background processes are set to nice 10. Never schedule these on the a57s.
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write /proc/sys/kernel/sched_upmigrate_min_nice 9
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2019-12-05 23:17:29 +00:00
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2020-01-20 19:23:26 +00:00
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get-set-forall /sys/class/devfreq/qcom,cpubw*/governor bw_hwmon
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get-set-forall /sys/class/devfreq/qcom,mincpubw*/governor cpufreq
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2019-12-05 23:17:29 +00:00
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# Disable sched_boost
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write /proc/sys/kernel/sched_boost 0
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# re-enable thermal and BCL hotplug
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write /sys/module/msm_thermal/core_control/enabled 1
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2020-01-20 19:23:26 +00:00
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get-set-forall /sys/devices/soc.0/qcom,bcl.*/mode disable
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2019-12-05 23:17:29 +00:00
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get-set-forall /sys/devices/soc.0/qcom,bcl.*/hotplug_mask $bcl_hotplug_mask
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get-set-forall /sys/devices/soc.0/qcom,bcl.*/hotplug_soc_mask $bcl_hotplug_soc_mask
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get-set-forall /sys/devices/soc.0/qcom,bcl.*/mode enable
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2020-01-20 19:23:26 +00:00
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# change GPU initial power level from 305MHz(level 4) to 180MHz(level 5) for power savings
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write /sys/class/kgsl/kgsl-3d0/default_pwrlevel 5
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