aosp_enhancer32.sh

#!/system/bin/sh
# AOSP Enhancer
# Author: LOOPER (iamlooper @ github)
# Todo: If you do changes in code then make sure to change referring line numbers to code in comments respectively.

###############################
# Required Tools
###############################

# $1:filepath $2:value
write()
{
    for p in $1; do
        [[ -f "$p" ]] && {
            chmod +w "$p" 2> /dev/null
            echo "$2" > "$p"
        }
    done
}

xlog()
{
    log_file="/storage/emulated/0/Android/aosp_enhancer.txt"
    case "$1" in
        "-i") shift && echo "[*] $@" >> "$log_file" ;;
        "-e") shift && echo "[!] $@" >> "$log_file" ;;
        "-d") shift && echo "[$(date | awk '{print $4}')] $@" >> "$log_file" ;;
        "-c") rm -f "$log_file" ;;
        *) shift && echo "$@" >> "$log_file" ;;
    esac
}

home_pkgname_fetcher()
{
    echo "$(pm resolve-activity -a android.intent.action.MAIN -c android.intent.category.HOME | grep packageName | head -n 1 | cut -d= -f2)"
}

ime_pkgname_fetcher()
{
    echo "$(ime list | grep packageName | head -n 1 | cut -d= -f2)"
}

kill_svc()
{
    killall -q -9 "$1"
    stop "$1"
}

pid_fetcher()
{
    echo "$(ps -Ao pid,args | grep -i -E "$1" | awk '{print $1}')"
}

change_task_cgroup()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            echo "$tid" > "/dev/$3/$2/tasks"
        done
    done
}

change_proc_cgroup()
{
    for pid in $(pid_fetcher "$1"); do
        echo $pid > "/dev/$3/$2/cgroup.procs"
    done
}

change_thread_cgroup()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            comm="$(cat "/proc/$pid/task/$tid/comm")"
            [[ "$(echo "$comm" | grep -i -E "$2")" != "" ]] && echo "$tid" > "/dev/$4/$3/tasks"
        done
    done
}

change_main_thread_cgroup()
{
    for pid in $(pid_fetcher "$1"); do
        echo $pid > "/dev/$3/$2/tasks"
    done
}

change_task_affinity()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            taskset -p "$2" "$tid"
        done
    done
}

change_thread_affinity()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            comm="$(cat "/proc/$pid/task/$tid/comm")"
            [[ "$(echo "$comm" | grep -i -E "$2")" != "" ]] && taskset -p "$3" "$tid"
        done
    done
}

change_task_nice()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            renice -n "$2" -p "$tid"
        done
    done
}

change_thread_nice()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            comm="$(cat "/proc/$pid/task/$tid/comm")"
            [[ "$(echo "$comm" | grep -i -E "$2")" != "" ]] && renice -n "$3" -p "$temp_tid"
        done
    done
}

change_task_rt()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            chrt -f -p "$2" "$tid"
        done
    done
}

change_thread_rt()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            comm="$(cat "/proc/$pid/task/$tid/comm")"
            [[ "$(echo "$comm" | grep -i -E "$2")" != "" ]] && chrt -f -p "$3" "$tid"
        done
    done
}

change_task_high_prio()
{
    change_task_nice "$1" "-15"
}

change_thread_high_prio()
{
    change_thread_nice "$1" "$2" "-15"
}

unpin_thread()
{
    change_thread_cgroup "$1" "$2" "" "cpuset"
}

# Less power cores (avoiding big cluster wakeups)
pin_thread_on_pwr()
{
    change_thread_cgroup "$1" "$2" "background" "cpuset"
    change_thread_affinity "$1" "$2" "0f"
}

# Power-efficient cores
pin_thread_on_mid()
{
    unpin_thread "$1" "$2"
    change_thread_affinity "$1" "$2" "7f"
}

# Performance cores
pin_thread_on_perf()
{
    unpin_thread "$1" "$2"
    change_thread_affinity "$1" "$2" "ff"
}

unpin_proc()
{
    change_task_cgroup "$1" "" "cpuset"
}

# Less power cores (avoiding big cluster wakeups)
pin_proc_on_pwr()
{
    change_task_cgroup "$1" "background" "cpuset"
    change_task_affinity "$1" "0f"
}

# Power-efficient cores
pin_proc_on_mid()
{
    unpin_proc "$1"
    change_task_affinity "$1" "7f"
}

# Performance cores
pin_proc_on_perf()
{
    unpin_proc "$1"
    change_task_affinity "$1" "ff"
}

set_task_on_prior()
{
    pin_proc_on_perf "$1"
    change_task_nice "$1" "-20"
}

set_thread_on_prior()
{
    pin_thread_on_perf "$1" "$2"
    change_thread_nice "$1" "$2" "-20"
}

###############################
# AOSP Enhancer Functions
###############################

# Allow sched boosting on top-app tasks (line 185)
# Turn off printk logging and scheduler stats (line 186-188)
# Disable swap readahead for swap devices (line 189)
# Update /proc/stat every 20 sec to reduce jitter (line 190)
kernel_opt()
{
    write "/proc/sys/kernel/sched_min_task_util_for_colocation" "0"
    write "/proc/sys/kernel/printk" "0 0 0 0"
    write "/proc/sys/kernel/printk_devkmsg" "off"
    write "/proc/sys/kernel/sched_schedstats" "0"
    write "/proc/sys/vm/page-cluster" "0"
    write "/proc/sys/vm/stat_interval" "20"
}

# Apply proper I/O scheduler, disable I/O stats, use group_idle in I/O scheduling and some misc. tweaks
io_opt()
{
    for queue in /sys/block/*/queue/; do
        avail_scheds="$(cat "${queue}scheduler")"
        for sched in cfq noop kyber bfq mq-deadline deadline none; do
            if [[ "$avail_scheds" == *"$sched"* ]]; then
                write "${queue}scheduler" "$sched"
                break
            fi
        done
        write "${queue}iostats" "0"
        write "${queue}add_random" "0"
        write "${queue}io_poll" "0"
        write "${queue}iosched/group_idle" "1"
        write "${queue}iosched/slice_idle" "0"
    done
}

# Core android process (line 224-230)
# Unspecialized app pool (line 232)
# Important display & graphics related process (234-240)
# Core services container i.e activity manager, power manager, input reader & dispatcher etc. (242-249)
# Less necessary threads (line 244-245)
# Composer thread i.e Hardware compose vsync & uevent (line 251-255)
# Important manager/helper processes and cpu & gpu related workers & services (line 257-259)
# SystemUI (line 261-264)
# Home (line 266-269)
# Input Method Editor (line 271-274)
# Pin various init & hardware related processes in background to reduce unnecessary wakeup of big cluster (line 276)
# To remember: Don't modify binders state because they are inter-process communicators
priority_opt()
{
    for i in zygote; do
        set_thread_on_prior "$i" "main"
        pin_thread_on_pwr "$i" "HeapTaskDaemon"
        pin_thread_on_pwr "$i" "Finalizer"
        pin_thread_on_pwr "$i" "ReferenceQueue"
        pin_thread_on_pwr "$i" "Jit"
    done

    set_thread_on_prior "usap" "usap"

    for i in surfaceflinger; do
        set_thread_on_prior "$i" "surfaceflinger"
        set_thread_on_prior "$i" "sf"
        set_thread_on_prior "$i" "ImageManager"
        pin_thread_on_pwr "$i" "app"
        pin_thread_on_pwr "$i" "DispSync"
    done

    for i in system_server; do
        for thread in system_server ActivityManager PowerManager RenderThread Input android.io android.display android.ui android.anim; do set_thread_on_prior "$i" "$thread"; done
        for thread in HeapTaskDaemon Finalizer ReferenceQueue Jit LazyTaskWriter GrallocUpload SyncManager SyncHandler; do pin_thread_on_pwr "$i" "$thread"; done
        for thread in TaskSnapshot OomAdjuster StatsCompanion batterystats NetworkStats GraphicsStats; do
            pin_thread_on_pwr "$i" "$thread"
            change_thread_nice "$i" "$thread" "7"
        done
    done

    for i in composer; do
        set_thread_on_prior "$i" "composer"
        set_thread_on_prior "$i" "hwc"
        pin_thread_on_pwr "$i" "IdleInvalidator"
    done

    for i in khelper servicemanager kgsl_worker kgsl_devfreq_wq devfreq_wq gpuservice allocator; do set_task_on_prior "$i"; done

    set_thread_on_prior "storaged" "storaged"

    for i in com.android.systemui; do
        for thread in systemui SysUi hwui recents.fg RenderThread Keyboard; do set_thread_on_prior "$i" "$thread"; done
        for thread in HeapTaskDaemon Finalizer ReferenceQueue Jit; do pin_thread_on_pwr "$i" "$thread"; done
    done

    for i in $(home_pkgname_fetcher); do
        for thread in launcher hwui RenderThread UiThread; do set_thread_on_prior "$i" "$thread"; done
        for thread in HeapTaskDaemon Finalizer ReferenceQueue Jit GrallocUpload file-logger; do pin_thread_on_pwr "$i" "$thread"; done
    done

    for i in $(ime_pkgname_fetcher); do
        for thread in latin hwui RenderThread InputLogic ExecutorUtils; do set_thread_on_prior "$i" "$thread"; done
        for thread in HeapTaskDaemon Finalizer ReferenceQueue Jit; do pin_thread_on_pwr "$i" "$thread"; done
    done

    for i in ueventd netd main_thread rx_thread dsp_send_thread hif_thread aal_sof kfps vdec_ipi_recv disp_feature pp_event crtc_event crtc_commit; do pin_proc_on_pwr "$i"; done
}

# Disable AI preload feature & various debugging services
system_settings_opt()
  {
    [[ "$(settings get system ai_preload_user_state)" != "null" ]] && settings put system ai_preload_user_state 0
    settings put system anr_debugging_mechanism 0
    cmd looper_stats disable
    cmd dropbox set-rate-limit 10000
    cmd appops set com.android.backupconfirm RUN_IN_BACKGROUND ignore
    cmd appops set com.google.android.setupwizard RUN_IN_BACKGROUND ignore
    cmd appops set com.android.printservice.recommendation RUN_IN_BACKGROUND ignore
    cmd appops set com.android.onetimeinitializer RUN_IN_BACKGROUND ignore
    cmd appops set com.qualcomm.qti.perfdump RUN_IN_BACKGROUND ignore
}

# Use profile-guided compilation to compile package of important system apps
dex_opt()
  {
    for app_list in $(home_pkgname_fetcher) com.android.systemui com.android.settings; do
        cmd package compile -m speed-profile "$app_list"
    done
}

# Stop unnecessary daemons & services
misc_opt()
{
    for i in statsd traced cnss_diag vendor.cnss_diag tcpdump vendor.tcpdump ipacm-diag vendor.ipacm-diag ramdump subsystem_ramdump charge_logger; do
        kill_svc "$i"
    done
}

# Tweak zygote preforking, I/O readahead and debugging related props
prop_opt()
{
    resetprop persist.sys.usap_pool_enabled true
    resetprop persist.device_config.runtime_native.usap_pool_enabled true

    resetprop ro.iorapd.enable true

    resetprop vidc.debug.level 0
    resetprop vendor.vidc.debug.level 0
    resetprop vendor.swvdec.log.level 0
    resetprop persist.radio.ramdump 0
    resetprop ro.lmk.debug false
    resetprop ro.lmk.log_stats false
    resetprop persist.sys.lmk.reportkills false
    resetprop dalvik.vm.minidebuginfo false
    resetprop dalvik.vm.dex2oat-minidebuginfo false
    resetprop ro.statsd.enable false
    resetprop persist.vendor.dpm.loglevel 0
    resetprop persist.vendor.dpmhalservice.loglevel 0
    resetprop persist.debug.sf.statistics 0
    resetprop debug.sf.enable_egl_image_tracker 0
    resetprop debug.mdpcomp.logs 0
    resetprop persist.ims.disableDebugLogs 1
    resetprop persist.ims.disableADBLogs 1
    resetprop persist.ims.disableQXDMLogs 1
    resetprop persist.ims.disableIMSLogs 1
}

###############################
# Main
###############################

apply_all()
{
    sync
    sync
    sync

    xlog -c

    xlog -i "Started AOSP Enhancer Tweaks at $(date)"
    xlog ""

    kernel_opt
    xlog -d "Applied universal kernel tweaks"

    io_opt
    xlog -d "Tweaked I/O parameters"

    priority_opt
    xlog -d "Optimized priority of system processes"

    system_settings_opt
    xlog -d "Enhanced settings provider tunables"

    dex_opt
    xlog -d "Compiled dalvik data of important system apps"

    misc_opt
    xlog -d "Applied misc. system tweaks"

    prop_opt
    xlog -d "Tweaked system properties"

    xlog ""
    xlog -i "Completed AOSP Enhancer Tweaks at $(date)"
}

apply_all &> /dev/null

# Exit as successful
exit 0

aosp_enhancer64.sh

#!/system/bin/sh
# AOSP Enhancer
# Author: LOOPER (iamlooper @ github)
# Todo: If you do changes in code then make sure to change referring line numbers to code in comments respectively.

###############################
# Required Tools
###############################

# $1:filepath $2:value
write()
{
    for p in $1; do
        [[ -f "$p" ]] && {
            chmod +w "$p" 2> /dev/null
            echo "$2" > "$p"
        }
    done
}

xlog()
{
    log_file="/storage/emulated/0/Android/aosp_enhancer.txt"
    case "$1" in
        "-i") shift && echo "[*] $@" >> "$log_file" ;;
        "-e") shift && echo "[!] $@" >> "$log_file" ;;
        "-d") shift && echo "[$(date | awk '{print $4}')] $@" >> "$log_file" ;;
        "-c") rm -f "$log_file" ;;
        *) shift && echo "$@" >> "$log_file" ;;
    esac
}

home_pkgname_fetcher()
{
    echo "$(pm resolve-activity -a android.intent.action.MAIN -c android.intent.category.HOME | grep packageName | head -n 1 | cut -d= -f2)"
}

ime_pkgname_fetcher()
{
    echo "$(ime list | grep packageName | head -n 1 | cut -d= -f2)"
}

kill_svc()
{
    killall -q -9 "$1"
    stop "$1"
}

pid_fetcher()
{
    echo "$(ps -Ao pid,args | grep -i -E "$1" | awk '{print $1}')"
}

change_task_cgroup()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            echo "$tid" > "/dev/$3/$2/tasks"
        done
    done
}

change_proc_cgroup()
{
    for pid in $(pid_fetcher "$1"); do
        echo $pid > "/dev/$3/$2/cgroup.procs"
    done
}

change_thread_cgroup()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            comm="$(cat "/proc/$pid/task/$tid/comm")"
            [[ "$(echo "$comm" | grep -i -E "$2")" != "" ]] && echo "$tid" > "/dev/$4/$3/tasks"
        done
    done
}

change_main_thread_cgroup()
{
    for pid in $(pid_fetcher "$1"); do
        echo $pid > "/dev/$3/$2/tasks"
    done
}

change_task_affinity()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            taskset -p "$2" "$tid"
        done
    done
}

change_thread_affinity()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            comm="$(cat "/proc/$pid/task/$tid/comm")"
            [[ "$(echo "$comm" | grep -i -E "$2")" != "" ]] && taskset -p "$3" "$tid"
        done
    done
}

change_task_nice()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            renice -n "$2" -p "$tid"
        done
    done
}

change_thread_nice()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            comm="$(cat "/proc/$pid/task/$tid/comm")"
            [[ "$(echo "$comm" | grep -i -E "$2")" != "" ]] && renice -n "$3" -p "$temp_tid"
        done
    done
}

change_task_rt()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            chrt -f -p "$2" "$tid"
        done
    done
}

change_thread_rt()
{
    for pid in $(pid_fetcher "$1"); do
        for tid in $(ls "/proc/$pid/task/"); do
            comm="$(cat "/proc/$pid/task/$tid/comm")"
            [[ "$(echo "$comm" | grep -i -E "$2")" != "" ]] && chrt -f -p "$3" "$tid"
        done
    done
}

change_task_high_prio()
{
    change_task_nice "$1" "-15"
}

change_thread_high_prio()
{
    change_thread_nice "$1" "$2" "-15"
}

unpin_thread()
{
    change_thread_cgroup "$1" "$2" "" "cpuset"
}

# Less power cores (avoiding big cluster wakeups)
pin_thread_on_pwr()
{
    change_thread_cgroup "$1" "$2" "background" "cpuset"
    change_thread_affinity "$1" "$2" "0f"
}

# Power-efficient cores
pin_thread_on_mid()
{
    unpin_thread "$1" "$2"
    change_thread_affinity "$1" "$2" "7f"
}

# Performance cores
pin_thread_on_perf()
{
    unpin_thread "$1" "$2"
    change_thread_affinity "$1" "$2" "ff"
}

unpin_proc()
{
    change_task_cgroup "$1" "" "cpuset"
}

# Less power cores (avoiding big cluster wakeups)
pin_proc_on_pwr()
{
    change_task_cgroup "$1" "background" "cpuset"
    change_task_affinity "$1" "0f"
}

# Power-efficient cores
pin_proc_on_mid()
{
    unpin_proc "$1"
    change_task_affinity "$1" "7f"
}

# Performance cores
pin_proc_on_perf()
{
    unpin_proc "$1"
    change_task_affinity "$1" "ff"
}

set_task_on_prior()
{
    pin_proc_on_perf "$1"
    change_task_nice "$1" "-20"
}

set_thread_on_prior()
{
    pin_thread_on_perf "$1" "$2"
    change_thread_nice "$1" "$2" "-20"
}

###############################
# AOSP Enhancer Functions
###############################

# Allow sched boosting on top-app tasks (line 185)
# Turn off printk logging and scheduler stats (line 186-188)
# Disable swap readahead for swap devices (line 189)
# Update /proc/stat every 20 sec to reduce jitter (line 190)
kernel_opt()
{
    write "/proc/sys/kernel/sched_min_task_util_for_colocation" "0"
    write "/proc/sys/kernel/printk" "0 0 0 0"
    write "/proc/sys/kernel/printk_devkmsg" "off"
    write "/proc/sys/kernel/sched_schedstats" "0"
    write "/proc/sys/vm/page-cluster" "0"
    write "/proc/sys/vm/stat_interval" "20"
}

# Apply proper I/O scheduler, disable I/O stats, use group_idle in I/O scheduling and some misc. tweaks
io_opt()
{
    for queue in /sys/block/*/queue/; do
        avail_scheds="$(cat "${queue}scheduler")"
        for sched in cfq noop kyber bfq mq-deadline deadline none; do
            if [[ "$avail_scheds" == *"$sched"* ]]; then
                write "${queue}scheduler" "$sched"
                break
            fi
        done
        write "${queue}iostats" "0"
        write "${queue}add_random" "0"
        write "${queue}io_poll" "0"
        write "${queue}iosched/group_idle" "1"
        write "${queue}iosched/slice_idle" "0"
    done
}

# Core android process (line 224-230)
# Unspecialized app pool (line 232)
# Important display & graphics related process (234-240)
# Core services container i.e activity manager, power manager, input reader & dispatcher etc. (242-249)
# Less necessary threads (line 244-245)
# Composer thread i.e Hardware compose vsync & uevent (line 251-255)
# Important manager/helper processes and cpu & gpu related workers & services (line 257-259)
# SystemUI (line 261-264)
# Home (line 266-269)
# Input Method Editor (line 271-274)
# Pin various init & hardware related processes in background to reduce unnecessary wakeup of big cluster (line 276)
# To remember: Don't modify binders state because they are inter-process communicators
priority_opt()
{
    for i in zygote; do
        set_thread_on_prior "$i" "main"
        pin_thread_on_pwr "$i" "HeapTaskDaemon"
        pin_thread_on_pwr "$i" "Finalizer"
        pin_thread_on_pwr "$i" "ReferenceQueue"
        pin_thread_on_pwr "$i" "Jit"
    done

    set_thread_on_prior "usap" "usap"

    for i in surfaceflinger; do
        set_thread_on_prior "$i" "surfaceflinger"
        set_thread_on_prior "$i" "sf"
        set_thread_on_prior "$i" "ImageManager"
        pin_thread_on_pwr "$i" "app"
        pin_thread_on_pwr "$i" "DispSync"
    done

    for i in system_server; do
        for thread in system_server ActivityManager PowerManager RenderThread Input android.io android.display android.ui android.anim; do set_thread_on_prior "$i" "$thread"; done
        for thread in HeapTaskDaemon Finalizer ReferenceQueue Jit LazyTaskWriter GrallocUpload SyncManager SyncHandler; do pin_thread_on_pwr "$i" "$thread"; done
        for thread in TaskSnapshot OomAdjuster StatsCompanion batterystats NetworkStats GraphicsStats; do
            pin_thread_on_pwr "$i" "$thread"
            change_thread_nice "$i" "$thread" "7"
        done
    done

    for i in composer; do
        set_thread_on_prior "$i" "composer"
        set_thread_on_prior "$i" "hwc"
        pin_thread_on_pwr "$i" "IdleInvalidator"
    done

    for i in khelper servicemanager kgsl_worker kgsl_devfreq_wq devfreq_wq gpuservice allocator; do set_task_on_prior "$i"; done

    set_thread_on_prior "storaged" "storaged"

    for i in com.android.systemui; do
        for thread in systemui SysUi hwui recents.fg RenderThread Keyboard; do set_thread_on_prior "$i" "$thread"; done
        for thread in HeapTaskDaemon Finalizer ReferenceQueue Jit; do pin_thread_on_pwr "$i" "$thread"; done
    done

    for i in $(home_pkgname_fetcher); do
        for thread in launcher hwui RenderThread UiThread; do set_thread_on_prior "$i" "$thread"; done
        for thread in HeapTaskDaemon Finalizer ReferenceQueue Jit GrallocUpload file-logger; do pin_thread_on_pwr "$i" "$thread"; done
    done

    for i in $(ime_pkgname_fetcher); do
        for thread in latin hwui RenderThread InputLogic ExecutorUtils; do set_thread_on_prior "$i" "$thread"; done
        for thread in HeapTaskDaemon Finalizer ReferenceQueue Jit; do pin_thread_on_pwr "$i" "$thread"; done
    done

    for i in ueventd netd main_thread rx_thread dsp_send_thread hif_thread aal_sof kfps vdec_ipi_recv disp_feature pp_event crtc_event crtc_commit; do pin_proc_on_pwr "$i"; done
}

# Disable AI preload feature & various debugging services
system_settings_opt()
{
    [[ "$(settings get system ai_preload_user_state)" != "null" ]] && settings put system ai_preload_user_state 0
    settings put system anr_debugging_mechanism 0
    cmd looper_stats disable
    cmd dropbox set-rate-limit 10000
    cmd appops set com.android.backupconfirm RUN_IN_BACKGROUND ignore
    cmd appops set com.google.android.setupwizard RUN_IN_BACKGROUND ignore
    cmd appops set com.android.printservice.recommendation RUN_IN_BACKGROUND ignore
    cmd appops set com.android.onetimeinitializer RUN_IN_BACKGROUND ignore
    cmd appops set com.qualcomm.qti.perfdump RUN_IN_BACKGROUND ignore
}

# Use profile-guided compilation to compile package of important system apps
dex_opt()
{
    for app_list in $(home_pkgname_fetcher) com.android.systemui com.android.settings; do
        cmd package compile -m speed-profile "$app_list"
    done
}

# Stop unnecessary daemons & services
misc_opt()
{
    for i in statsd traced cnss_diag vendor.cnss_diag tcpdump vendor.tcpdump ipacm-diag vendor.ipacm-diag ramdump subsystem_ramdump charge_logger; do
        kill_svc "$i"
    done
}

# Tweak zygote preforking, I/O readahead and debugging related props
prop_opt()
{
    resetprop persist.sys.usap_pool_enabled true
    resetprop persist.device_config.runtime_native.usap_pool_enabled true

    resetprop ro.iorapd.enable true

    resetprop vidc.debug.level 0
    resetprop vendor.vidc.debug.level 0
    resetprop vendor.swvdec.log.level 0
    resetprop persist.radio.ramdump 0
    resetprop ro.lmk.debug false
    resetprop ro.lmk.log_stats false
    resetprop persist.sys.lmk.reportkills false
    resetprop dalvik.vm.minidebuginfo false
    resetprop dalvik.vm.dex2oat-minidebuginfo false
    resetprop ro.statsd.enable false
    resetprop persist.vendor.dpm.loglevel 0
    resetprop persist.vendor.dpmhalservice.loglevel 0
    resetprop persist.debug.sf.statistics 0
    resetprop debug.sf.enable_egl_image_tracker 0
    resetprop debug.mdpcomp.logs 0
    resetprop persist.ims.disableDebugLogs 1
    resetprop persist.ims.disableADBLogs 1
    resetprop persist.ims.disableQXDMLogs 1
    resetprop persist.ims.disableIMSLogs 1
}

###############################
# Main
###############################

apply_all()
{
    sync
    sync
    sync

    xlog -c

    xlog -i "Started AOSP Enhancer Tweaks at $(date)"
    xlog ""

    kernel_opt
    xlog -d "Applied universal kernel tweaks"

    io_opt
    xlog -d "Tweaked I/O parameters"

    priority_opt
    xlog -d "Optimized priority of system processes"

    system_settings_opt
    xlog -d "Enhanced settings provider tunables"

    dex_opt
    xlog -d "Compiled dalvik data of important system apps"

    misc_opt
    xlog -d "Applied misc. system tweaks"

    prop_opt
    xlog -d "Tweaked system properties"

    xlog ""
    xlog -i "Completed AOSP Enhancer Tweaks at $(date)"
}

apply_all &> /dev/null

# Exit as successful
exit 0