android_device_lenovo_karate/rootdir/init.qcom.power.rc

on boot

    # Set RPS mask
    write /sys/class/net/rmnet0/queues/rx-0/rps_cpus 2

    # Add a cpuset for the camera daemon
    # we want all cores for camera
    mkdir /dev/cpuset/camera-daemon
    write /dev/cpuset/camera-daemon/cpus 0-7
    write /dev/cpuset/camera-daemon/mems 0
    chown system system /dev/cpuset/camera-daemon
    chown system system /dev/cpuset/camera-daemon/tasks
    chmod 0664 /dev/cpuset/camera-daemon/tasks

    # Update foreground and background cpusets
    # Reserve CPU 7 for the top app
    write /dev/cpuset/foreground/cpus 0-6
    write /dev/cpuset/foreground/boost/cpus 0-3
    write /dev/cpuset/background/cpus 4-5
    write /dev/cpuset/system-background/cpus 4-6
    write /dev/cpuset/top-app/cpus 0-7

on enable-low-power
    # HMP scheduler settings
    write /proc/sys/kernel/sched_window_stats_policy 3
    write /proc/sys/kernel/sched_ravg_hist_size 3

    # HMP Task packing settings
    write /proc/sys/kernel/sched_small_task 20
    write /sys/devices/system/cpu/cpu0/sched_mostly_idle_load 30
    write /sys/devices/system/cpu/cpu1/sched_mostly_idle_load 30
    write /sys/devices/system/cpu/cpu2/sched_mostly_idle_load 30
    write /sys/devices/system/cpu/cpu3/sched_mostly_idle_load 30
    write /sys/devices/system/cpu/cpu4/sched_mostly_idle_load 30
    write /sys/devices/system/cpu/cpu5/sched_mostly_idle_load 30
    write /sys/devices/system/cpu/cpu6/sched_mostly_idle_load 30
    write /sys/devices/system/cpu/cpu7/sched_mostly_idle_load 30

    write /sys/devices/system/cpu/cpu0/sched_mostly_idle_nr_run 3
    write /sys/devices/system/cpu/cpu1/sched_mostly_idle_nr_run 3
    write /sys/devices/system/cpu/cpu2/sched_mostly_idle_nr_run 3
    write /sys/devices/system/cpu/cpu3/sched_mostly_idle_nr_run 3
    write /sys/devices/system/cpu/cpu4/sched_mostly_idle_nr_run 3
    write /sys/devices/system/cpu/cpu5/sched_mostly_idle_nr_run 3
    write /sys/devices/system/cpu/cpu6/sched_mostly_idle_nr_run 3
    write /sys/devices/system/cpu/cpu7/sched_mostly_idle_nr_run 3

    write /sys/devices/system/cpu/cpu0/sched_prefer_idle 0
    write /sys/devices/system/cpu/cpu1/sched_prefer_idle 0
    write /sys/devices/system/cpu/cpu2/sched_prefer_idle 0
    write /sys/devices/system/cpu/cpu3/sched_prefer_idle 0
    write /sys/devices/system/cpu/cpu4/sched_prefer_idle 0
    write /sys/devices/system/cpu/cpu5/sched_prefer_idle 0
    write /sys/devices/system/cpu/cpu6/sched_prefer_idle 0
    write /sys/devices/system/cpu/cpu7/sched_prefer_idle 0

    write /sys/class/devfreq/soc:qcom,cpubw/governor bw_hwmon
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/io_percent 20
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/guard_band_mbps 30

    # Disable thermal core_control to update interactive gov settings
    write /sys/module/msm_thermal/core_control/enabled 0

    # Enable governor for perf cluster
    write /sys/devices/system/cpu/cpu0/online 1
    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor interactive
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/above_hispeed_delay "19000 1094400:39000"
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/go_hispeed_load 85
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/timer_rate 20000
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/hispeed_freq 1094400
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/io_is_busy 0
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/target_loads "1 960000:85 1094400:90 1344000:80"
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/min_sample_time 40000
    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq 960000

    # Enable governor for power cluster
    write /sys/devices/system/cpu/cpu4/online 1
    write /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor interactive
    write /sys/devices/system/cpu/cpu4/cpufreq/interactive/above_hispeed_delay 39000
    write /sys/devices/system/cpu/cpu4/cpufreq/interactive/go_hispeed_load 90
    write /sys/devices/system/cpu/cpu4/cpufreq/interactive/timer_rate 20000
    write /sys/devices/system/cpu/cpu4/cpufreq/interactive/hispeed_freq 768000
    write /sys/devices/system/cpu/cpu4/cpufreq/interactive/io_is_busy 0
    write /sys/devices/system/cpu/cpu4/cpufreq/interactive/target_loads "1 768000:90"
    write /sys/devices/system/cpu/cpu4/cpufreq/interactive/min_sample_time 40000
    write /sys/devices/system/cpu/cpu4/cpufreq/scaling_min_freq 768000

    # Re-enable thermal core_control
    write /sys/module/msm_thermal/core_control/enabled 1

    # Bring all cores online
    write /sys/devices/system/cpu/cpu1/online 1
    write /sys/devices/system/cpu/cpu2/online 1
    write /sys/devices/system/cpu/cpu3/online 1
    write /sys/devices/system/cpu/cpu4/online 1
    write /sys/devices/system/cpu/cpu5/online 1
    write /sys/devices/system/cpu/cpu6/online 1
    write /sys/devices/system/cpu/cpu7/online 1

    # Disable L2-GDHS low power modes
    write /sys/module/lpm_levels/system/pwr/pwr-l2-gdhs/idle_enabled N
    write /sys/module/lpm_levels/system/pwr/pwr-l2-gdhs/suspend_enabled N
    write /sys/module/lpm_levels/system/perf/perf-l2-gdhs/idle_enabled N
    write /sys/module/lpm_levels/system/perf/perf-l2-gdhs/suspend_enabled N

    # Enable low power modes
    write /sys/module/lpm_levels/parameters/sleep_disabled 0

    # HMP scheduler (big.Little cluster related) settings
    write /proc/sys/kernel/sched_upmigrate 93
    write /proc/sys/kernel/sched_downmigrate 83

    # Enable sched guided freq control
    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/cpu4/cpufreq/interactive/use_sched_load 1
    write /sys/devices/system/cpu/cpu4/cpufreq/interactive/use_migration_notif 1
    write /proc/sys/kernel/sched_freq_inc_notify 50000
    write /proc/sys/kernel/sched_freq_dec_notify 50000

    # Core control
    write /sys/devices/system/cpu/cpu0/core_ctl/min_cpus 2
    write /sys/devices/system/cpu/cpu0/core_ctl/max_cpus 4
    write /sys/devices/system/cpu/cpu0/core_ctl/busy_up_thres 68
    write /sys/devices/system/cpu/cpu0/core_ctl/busy_down_thres 40
    write /sys/devices/system/cpu/cpu0/core_ctl/offline_delay_ms 100
    write /sys/devices/system/cpu/cpu0/core_ctl/is_big_cluster 1

    # Set per_process_reclaim tuning parameters
    write /sys/module/process_reclaim/parameters/enable_process_reclaim 1
    write /sys/module/process_reclaim/parameters/pressure_max 70
    write /sys/module/process_reclaim/parameters/swap_opt_eff 30
    write /sys/module/process_reclaim/parameters/pressure_min 10
    write /sys/module/process_reclaim/parameters/per_swap_size 1024

    # Set ZCache parameters
    write /sys/module/zcache/parameters/clear_percent 3
    write /sys/module/zcache/parameters/max_pool_percent 30

    write /sys/block/mmcblk0/bdi/read_ahead_kb 128
    write /sys/block/mmcblk0/queue/read_ahead_kb 128
    write /sys/block/dm-0/queue/read_ahead_kb 128
    write /sys/block/dm-1/queue/read_ahead_kb 128

    rm /data/system/perfd/default_values
    start perfd

on class_start:late_start
    trigger enable-low-power

on charger
    # Offline all cores other than CPU0
    write /sys/devices/system/cpu/cpu1/online 0
    write /sys/devices/system/cpu/cpu2/online 0
    write /sys/devices/system/cpu/cpu3/online 0
    write /sys/devices/system/cpu/cpu4/online 0
    write /sys/devices/system/cpu/cpu5/online 0
    write /sys/devices/system/cpu/cpu6/online 0
    write /sys/devices/system/cpu/cpu7/online 0

    write /sys/module/lpm_levels/parameters/sleep_disabled 0
    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor powersave

on property:init.svc.recovery=running
    trigger enable-low-power

on property:dev.bootcomplete=1
    setprop sys.io.scheduler bfq