94pksp4v16.sh

#!/system/bin/sh
# chmod -R 755 /data/adb/service.d
# 8-Oct-2021 by pkgnex
# Android 11/12, Magisk 23+, Pixel-4/XL
# Major credit to Franco's Dev Team
# Thx also to:
# Scott for writeout idea
# Juzman for testing/organization support
# xFirefly93 for many ideas
# sublimaze for testing support
# Freak07 for advice on Pixel-4/XL kernel
# tytydraco for ktweak scheduler ideas

#-------------------------------------------
# Pause for Boot Service
#-------------------------------------------
sleep 120;

#-------------------------------------------
# Reduce File Lease Hold Time
#-------------------------------------------
echo 10 > /proc/sys/fs/lease-break-time; # stock is 45

#-------------------------------------------
# Kernel CFS Scheduler & Logging Tweaks
#-------------------------------------------
echo 10 > /proc/sys/kernel/perf_cpu_time_max_percent; # stock is 25
echo "off" > /proc/sys/kernel/printk_devkmsg; # stock is on
echo 1 > /proc/sys/kernel/sched_child_runs_first; # stock is 0
echo 1000000 > /proc/sys/kernel/sched_latency_ns; # stock is 10000000
echo 5000000 > /proc/sys/kernel/sched_migration_cost_ns; # stock is 500000
echo 100000 > /proc/sys/kernel/sched_min_granularity_ns; # stock is 3000000
echo 500000 > /proc/sys/kernel/sched_wakeup_granularity_ns; # stock is 2000000
echo 0 > /proc/sys/kernel/sched_schedstats; # stock is 1
echo 0 > /proc/sys/kernel/sched_tunable_scaling; # stock is 0, need to enforce

#-------------------------------------------
# Tweak Network Settings
#-------------------------------------------
echo "westwood" > /proc/sys/net/ipv4/tcp_congestion_control; # stock is cubic
echo "bbr" > /proc/sys/net/ipv4/tcp_congestion_control; # stock is cubic
echo "bbr2" > /proc/sys/net/ipv4/tcp_congestion_control; # stock is cubic
echo 1 > /proc/sys/net/ipv4/tcp_ecn; # stock is 2
echo 3 > /proc/sys/net/ipv4/tcp_fastopen; # stock is 1
echo 0 > /proc/sys/net/ipv4/tcp_timestamps; # stock is 1

#-------------------------------------------
# Tweak VM Settings
#-------------------------------------------
sync; # sync caches
echo 3 > /proc/sys/vm/drop_caches; # drop caches
echo 0 > /proc/sys/vm/compact_unevictable_allowed; # stock is 1
echo 2 > /proc/sys/vm/dirty_background_ratio; # stock is 10
echo 10 > /proc/sys/vm/dirty_ratio; # stock is 20
echo 0 > /proc/sys/vm/dirty_writeback_centisecs; # stock is 500, 0 disables
echo 0 > /proc/sys/vm/oom_dump_tasks; # stock is 1
echo 10 > /proc/sys/vm/stat_interval; # stock is 1
echo 50 > /proc/sys/vm/vfs_cache_pressure; # stock is 100
echo 0 > /proc/sys/vm/drop_caches; # reset normal caching

#-------------------------------------------
# Tweak Block-level Scheduler Queue
#-------------------------------------------
for i in /sys/block/*/queue; do
  echo 0 > $i/iostats; # stock varies
  echo 64 > $i/nr_requests; # stock is 128
  echo 128 > $i/read_ahead_kb; # stock is 128
  echo 0 > $i/rotational; # stock varies
  echo 1 > $i/rq_affinity; # stock is 0 or 1
  echo cfq > $i/scheduler; # stock is cfq
done;

#-------------------------------------------
# Tweak CFQ Scheduler Tunables
#-------------------------------------------
for i in /sys/block/sd*/queue/iosched; do
  echo 1 > $i/back_seek_penalty; # stock is 2
  echo 4 > $i/quantum; # stock is 8
  echo 4294967295 > $i/back_seek_max; # stock is 16384
done;

#-------------------------------------------
# Turn GPU Adrenoboost on, set to low
#-------------------------------------------
if [ -e /sys/class/devfreq/2c00000.qcom,kgsl-3d0/adrenoboost ]
  then
    echo 1 > /sys/class/devfreq/2c00000.qcom,kgsl-3d0/adrenoboost
fi;

#-------------------------------------------
# Block Safe Wakelock(s)
#-------------------------------------------
if [ -e /sys/class/misc/boeffla_wakelock_blocker/wakelock_blocker ]
  then
    echo "qcom_rx_wakelock" > /sys/class/misc/boeffla_wakelock_blocker/wakelock_blocker
fi;

#-------------------------------------------
# Tweak Transmission Queue Buffer
#-------------------------------------------
for i in $(find /sys/class/net -type l); do
  echo 512 > $i/tx_queue_len;
done;

#-------------------------------------------
# Tweak Schedutil Governor Settings
#-------------------------------------------
echo 30000 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/down_rate_limit_us; # stock is 20000
echo 250 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/up_rate_limit_us; # stock is 500
echo 25000 > /sys/devices/system/cpu/cpufreq/policy4/schedutil/down_rate_limit_us; # stock is 20000
echo 25000 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/down_rate_limit_us; # stock is 20000

#-------------------------------------------
# Tweak Kernel Scheduler Feature(s)
#-------------------------------------------
echo "NEXT_BUDDY" > /sys/kernel/debug/sched_features;
echo "NO_NONTASK_CAPACITY" > /sys/kernel/debug/sched_features;

#-------------------------------------------
# Tweak GPU
#-------------------------------------------
echo 345 > /sys/kernel/gpu/gpu_min_clock;

#-------------------------------------------
# Enable Power Efficient Work Queue Module
#-------------------------------------------
if [ -e /sys/module/workqueue/parameters/power_efficient ]
  then
    echo "Y" > /sys/module/workqueue/parameters/power_efficient
fi;

#-------------------------------------------
# Increase ZRAM
#-------------------------------------------
swapoff /dev/block/zram0;
echo 1 > /sys/block/zram0/reset;
echo 3221225472 > /sys/block/zram0/disksize; # stock is 2048 MB
sleep 10;
mkswap /dev/block/zram0;
sleep 10;
swapon /dev/block/zram0;
sleep 10;

#-------------------------------------------
# Write-out if Script Executed
#-------------------------------------------
if [ $? -eq 0 ]
then
  echo "Success!" >> /storage/emulated/0/pksp4_script_result
  exit 0
else
  echo "Failure..." >> /storage/emulated/0/pksp4_script_result
  exit 1
fi