[KERNEL] [ROOT] [SM-G920F Exynos 7420] [17 Dec] SkyHigh TW 5.1.1 Kernel [v2.9]

[KERNEL] [ROOT] [SM-G920F Exynos 7420] [17 December] SkyHigh TW 5.1.1 Kernel [ v2.9 ] [Synapse ++]

WARNING

Code:

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PLEASE SHOW RESPECT TO ACTUALLY READ POSTS #1-3
XDA RULE #1 "SEARCH BEFORE POSTING" (GOOGLE, XDA & THREAD),
IF YOU DON'T LIKE A UP-FRONT "MATTER OF FACT" APPROACH,
THEN DON'T BOTHER POSTING.

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FEATURES

Code:

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* Based on official Samsung source: Samsung OSRC
* ramdisk source:

N920FXXU3QOLF

* Compiled with Linaro gcc-linaro-4.9-2015.02-3-x86_64_aarch64-linux-gnu
* Linux 3.10.94
* AUTO-ROOT binary v2.52 & Install busybox v1.24.1-Dorimanx
* KNOX WARRANTY VOID: 1
* SELinux PERMISSIVE  (for Titanium Backup and other apps to work correctly)
* adb insecure
* stock dt.img
* init.d script support (drop in script & set permissions to 755 or 777 and reboot)
* DEEP SLEEP FIX
* IN-CALL REBOOT BUG "FIX"
* Possible Screen Mirroring / AllShare Cast fix
* Secure storage = false (should prevent WIFI settings & passwords wiping on reboots)
* RAM management tweaks
* GearVR reported working
* Synapse app support for many kernel configurations + more !!
* Many descriptions are in the app ! If you require more info, don't be lazy, please SEARCH like I did ;)

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SYNAPSE FEATURES

ABOUT

• PayPal Donation link


• SkyHigh kernel thread link


• Up time

  Total
  Sleep
  Awake

A57 CPU

• CPU temperature


• A57 big Cores Frequency Scaling

  live frequency
  MAX: 2400 MHz (stock 2100 MHz is default)
  MIN: 500 MHz (stock 800 MHz is default)



• CPU governors

  interactive (default)
  on-demand
  conservative
  userspace
  performance



• CPU governor tunables

A57 VOLT

• HPM voltage control


• A57 big Cores voltage control

A53 CPU

• A53 LITTLE Cores Frequency Scaling

  live frequency
  MAX: 1600 MHz (stock 1500 MHz is default)
  MIN: 200 MHz (stock 400 MHz is default)



• CPU governors

  interactive (default)
  on-demand
  conservative
  userspace
  performance



• CPU governor tunables

A53 VOLT

• HPM voltage control


• A53 LITTLE Cores voltage control

CPU MULTICORE

• Power Aware Scheduling control


• HMP LITTLE Packing


• Exynos Core Control Interface (choose 1 > 8 cores online)


• PEWQ (Power-efficient Workqueues) control

GPU

• GPU stats

  Current clock freq
  Live Frequency Utilization (load)
  Time in state



• GPU power policy control

  coarse_demand (default)
  demand
  always_on



• GPU frequency scaling

  Max freq control to 852 MHz (700 MHz is default)
  Min freq control to 100 MHz (stock 266 MHz is default)



• GPU Governor

  Default
  Interactive (default)
  Static
  Booster (more graphic and benchmark performance)



• GPU Interactive Governor tunables

  highspeed clock
  highspeed load
  highspeed delay

GPU VOLT

• HPM voltage control


• GPU voltage control

THERMAL

• CPU thermal control

  normal temp
  critical temp



• GPU thermal control

  temp levels 1 > 5
  throttling freq levels



• Memory thermal control

  normal temp
  critical temp



• ISP (Image Signal Processor) thermal control

  temp levels 1 > 5

BUS

• Memory Bus HPM voltage control


• Memory Bus voltage control


• Internal Bus voltage control


• ISP (Image Signal Processor) voltage control

IO

• I/O Schedulers

  
  BFQ (tweaked for SSD)
  DEADLINE (tweaked for SSD)
  FIOPS
  CFQ = default (tweaked for SSD)
  NOOP
  ROW (tweaked)



• Storage read-ahead (256 KB)


• General IO tuneable

  Add random
  IO stats
  Rotational
  No merges
  RQ Affinity
  NR requests



• I/O scheduler tunables

MEMORY

• Memory state

  Total
  Free



• Low Memory Killer Profiles

  Low
  Medium
  Custom (recommend)
  Default (default)
  Aggressive
  Exterminate



• Low Memory Killer minfree tuning (OOM LMK)


• Samsung SPCM Service control (Enabled = default/stock)


• Ultra Kernel SamePage Merging (UKSM)

  UKSM stats
  Scan Delay Interval
  UKSM Governor
  Max CPU consumption



• Dynamic FSYNC control (enabled)


• Dynamic dirty page writeback control (enabled)

  Dirty writeback active
  Dirty writeback suspend



• Virtual Memory

  Adaptive Dirty Background Ratio on suspend / resume
  Adaptive Dirty Ratio on suspend / resume
  Drop caches (Clear VFS cache after boot)
  Laptop Mode
  Swapiness
  Adaptive vfs_cache_pressure on suspend / resume

ADVANCED

• Entropy (max 4096)


• Gentle Fair Sleepers control (disabled)


• Arch Power control (enabled)


• randomize_va_space control

POWER SUSPEND

• Modes:

  Autosleep
  Userspace
  Display Panel
  Hybrid (Autosleep + Display Panel) = default



• PowerSuspend State (enable only with Userspace mode set)


• Version push button

AUDIO

(Sound Control by AndreiLux)

• Jack media volume control

  L/R channel volume
  mono mixer



• Speaker volume control

  Earpiece volume



• Main Equalizer


• Advanced Stereo Equalizer

SCREEN

• sweep2sleep control

NETWORK

• TCP congestion control

  All available enabled.
  Default = westwood+



• Screen mirror/allshare cast fix control (enabled)


• Clean WIFI Lease


• WiFi Power Mode While Screen-On/Off

Force Off
Off
Fast (default = screen ON)
Max (default = screen OFF)
WiFi DTIM Interval While Screen-On/Off

• RX wakelock timeout control


• TCP/IP network security


• 3G DNS speed & security tweak

  Google
  OpenDNS
  Comodo, Level3
  Norton_DNS
  Smart_Viper



• GPS time-zone

  Original
  Asia
  Europe
  Oceania
  North America
  South America
  Africa



• IPV6 optimistic detection

SECURITY

• KNOX control

  NO_ACTION (default)
  Disabled
  Enabled



• SELinux

  Live status

BATTERY

• Battery info


• Charging controls

  HV power supplies
  A/C Mains
  A/C Mains (screen-on)
  Standard downstream port
  Dedicated charging port
  Charging downstream port
  Accessory charging adapter
  MHL power
  Wireless power



• Battery SCALING calibration (fuel gauge reset)

LED

• LED disable control


• LED Fade-in/out Time Period

  LED Fade control
  Fade-in
  Fade-out



• Test notification push button


• Stop notification push button

FS (File System)

• Display FS Type


• FS Controls

  remount System r/w r/o
  remount RootFS r/w r/o



• Scrolling cache control


• Optimise Databases (SQLite3)


• FSTrim lagfix


• Wipe options

  cache reboot
  dalvik-cache reboot
  cache & dalvik-cache reboot



• Clean up

  clipboard cache
  /data/tombstones
  /data/anr logs
  /data/dropbox logs
  lost+found

USB

• USB status


• USB mode selection

  MTP
  PTP
  CD_ROM (drivedroid support)
  USB_Keyboard-Mouse

BACKUP & RESTORE

• Name - Restore - Delete - Backup

  profiles
  kernel image

LOGS

• Android Logger control (enabled)

  LogCat



• Kernel Logger control (enabled)

  dmesg
  last_kmsg

REBOOT

• Reboot device


• Recovery Mode


• Download Mode


• Power Off


• Clear Synapse Data & Reboot


• Restart Synapse

INFO

• Reduced logging


• exFAT FS support


• NTFS R/W support with app


• CIFS support (not tested)


• ISO 9660 CDROM & UDF FS support


• Frandom


• mount partitions NOATIME and NODIRATIME by default


• Entropy tweaks


• Increased boot frequency


• Power-efficient workqueue (PEWQ) efficiency patches


• CLEANCACHE & ZCACHE


• Microsoft X-BOX gamepad controller in-built module


• Slub tweaked


• Much more - check source commits & Synapse

CREDITS

• My family !!


• @Chainfire - root & SuperSU / @Manh_IT - auto-root method


• @AndreiLux - years of support for Exynos development and his various kernel features + Synapse app and UCI code


• @halaszk88 - patches and Synapse code I adapted to many of my kernels


• @dorimanx - BusyBox and various ramdisk tweaks/ideas


• @apb_axel - I adapted and used many of the Synapse controls to suit my kernels


• XDA


• Samsung OSRC


• and many others!


• check github source credits


• IF I'VE FORGOTTON ANYONE, PLEASE DON'T BE SHY AND SPEAK UP, THANKS

XDA:DevDB Information
SkyHigh Galaxy S6 Exynos 7420 Kernel, Kernel for the Samsung Galaxy S6

Contributors
UpInTheAir
Source Code: https://github.com/UpInTheAir/SM-N920

Kernel Special Features: Synapse ++ | EXT4 | exFAT | NTFS | CIFS

Version Information
Status: Testing

Created 2015-12-17
Last Updated 2015-12-17

Download from this link