android_device_sony_satsuki/rootdir/bin/init.qcom.power.sh
2020-01-20 14:23:26 -05:00

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