[Kernel][G901F][TW 6.0.x] Ronflex Kernel 2.1 - Galaxy S 5 Original Android Development

Ronflex Kernel
for TW Marshmallow​
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Introduction:
• I'm a student who always wanted to contribute to the XDA community but I didn't have time. There were also many many great developers on my previous devices (Xperia X10 and Galaxy S3) so I didn't have to do things myself, I just had to flash and enjoy.
But on this phone, there aren't many devs, so I began to build things myself. I'm very proud to release my first project ever on XDA .
• I want this kernel to be built by the community with your suggestions of new features and that we discuss together about what we could add to this project, this is very important for me as I am not a dev, but just a beginner. I will try to answer every question that you may ask but please don't ask for ETA as I'm just a student.
• I ask the others devs to be kind with me as I'm still not very familiar with git.
• I'm not responsible for what could happen to your phone by flashing this kernel.
Features:
• Built with GCC 4.8 for stability
• Built with new Marshmallow sources
• init.d support
• Permissive SELinux status
• New governors (give suggestions if you know good governors and hotplugs !)
• New CPU hotplugs
• New IO schedulers
• Disable CRC for better memory speed
• Adreno Idler
• Undervolting (may be buggy)
• Network speed tweaks
• Powersuspend
• Kccal screen calibration
• Fastcharge
• AnyKernel by Osmosis flashing method
Bugs:
• Android logging
Instructions:
• You must be on Touchwiz, it will not work on CM nor Mokee.
• Use a custom recovery
• Download the kernel and put it on the memory of your phone
• Boot into recovery (Home/Vol +/Power)
• Flash the kernel and wipe dalvik and cache
It will reset your kernel adiutor settings to prevent any problem. If you don't want that, open anykernel.sh in the kernel package and change the line do.KAclean=1 to do.KAclean=0.
Share your setup (this is your part guys !):
Please report your best combinations of ROM/governor/hotplug... with stats if possible and I'll add it here
• @spezl config
Changelog:
• V1-
Initial release
• V1.1-
Fix the name string in kernel version
Disable some gov and hotplugs as they were not working
Disable CPU boost, for hopefully a better battery life
• V2-
Hotplugs are back
Underclock (268) / overclock (2880)
Added kcal support for screen tweaks
Prevent some kernel wakelocks
New io schedulers
Fastcharge
• V2.1-
started from scratch
change toolchain : back to gcc 4.8, it will ensure stability
anykernel flashing method : we don't need to include supersu in the kernel package anymore
init.d support
fixed simple-ondemand gpu gov
oc and uc gpu : 166 mhz to 800 mhz
Download links:
Ronflex Kernel 2.1: http://forum.xda-developers.com/devdb/project/dl/?id=18975
Ronflex Kernel 2: http://forum.xda-developers.com/devdb/project/dl/?id=18676
Ronflex Kernel 1.1: http://forum.xda-developers.com/devdb/project/dl/?id=18534 // Mirror
Ronflex Kernel 1: http://forum.xda-developers.com/devdb/project/dl/?id=18526 // Mirror
Stock kernel : http://www.mediafire.com/download/8jeubsas7oiu37p/Stock.zip (thanks to MEGAX91)
Credits :
• Kykint and MEGAX91 for answering my questions
• Tkkg1994 because I spent many hours on his sources to understand how things worked and to fix compilation errors
• The creators of the hotplugs/governors/TC and the other features
And of course hit thanks if you like my work...
XDA:DevDB Information
Ronflex Kernel, Kernel for the Samsung Galaxy S 5
Contributors
licha26
Source Code: https://github.com/badscimmia/Ronflex-Kernel
Kernel Special Features:
Version Information
Status: Beta
Beta Release Date: 2016-05-20
Created 2016-05-20
Last Updated 2016-06-23

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Reserved
Recommendations/tips :
• Use this kernel tweaker : Kernel Adiutor Mod. If settings don't stick at boot, set delay to 20 sec, press Test in settings, close the app, wait the 20 seconds and reboot
• If you don't know where to start with the features, interactive + zen decision will give you decent battery life, good overall speed and no heating.
• If you use zzmoove, disable cpu hotplug as it is already built in the governor. To change the profiles of zzmoove, go to tunables, profile number and choose the one that you want. Here's the reference
Ronflex profile :
I managed to create an awesome profile to have both performance (ultra smooth experience) and awesome battery life (1hr screen on + wifi of social networking and surfing = 10%, see the screenshot). Here are the broad lines of the settings:
• The key of this profile is this very interesting xda thread : you can mode the interactive governor to do exactly what you want it to do (especially which frequencies it should use). I applied the settings calculated for our lovely G901F on yankactive governor which is known to be power efficient.
• The hotplug is bricked hotplug, a very efficient hotplug for both performance and battery life
• No overclock, only underclock to 268 mhz
• msm-adreno-tz gpu governor at 240-500 mhz + adreno idler, I don't play games a lot but for instance Alto's adventure is working great with this set up
• No undervolt
• Kccal screen calibration new settings to reduce brightness of the screen. With stock settings, the screen was in my opinion too bright, especially inside and in the dark.
How to apply Ronflex profile ?
• Download RonflexProfile.zip
• Unzip it
• Replace profiles.json with the one you found in my zip in data/data/com.kerneladiutor.mod/files (don't set permissions or the profile will not display !!!)
• In kernel adiutor mod, go to profile, click on RonflexProfile and apply !

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hey great work on this kernel !!! if possible could you add more io schedulers in the next release? preferable sio. thank you for your hard work !!

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Nice might try this maybe add cpu/gpu overclocking? nice to see 901f kernels.
Sent from my SM-G901F using Tapatalk

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XPERIAAplooper said:
hey great work on this kernel !!! if possible could you add more io schedulers in the next release? preferable sio. thank you for your hard work !!
Click to expand...
Click to collapse
cloudx720 said:
Nice might try this maybe add cpu/gpu overclocking? nice to see 901f kernels.
Sent from my SM-G901F using Tapatalk
Click to expand...
Click to collapse
Hi
I take in consideration your demands . However I still don't know when I'll release next version as my week of exams begins tomorrow. Stay tuned

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Would it be possible for anybody to post stock kernel zip for Reflash in case I want to go back to it?
Sent from my SM-G901F using XDA-Developers mobile app

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spezl said:
Would it be possible for anybody to post stock kernel zip for Reflash in case I want to go back to it?
Sent from my SM-G901F using XDA-Developers mobile app
Click to expand...
Click to collapse
Hi, I'd advise you to use TWRP and backup your boot partition. If you need to get back to stock kernel, just restore
But if you really need a flashable stock kernel zip, I'll make one

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licha26 said:
Hi
I take into consideration your demands . However I still don't know when I'll release next version as my week of exams begins tomorrow. Stay tuned
Click to expand...
Click to collapse
hehe thanks. good luck for your exams

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licha26 said:
Hi
I take into consideration your demands . However I still don't know when I'll release next version as my week of exams begins tomorrow. Stay tuned
Click to expand...
Click to collapse
Good luck, CRACK!!!
[emoji310][emoji310]

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Good luck man.
Waiting for a flashable stock kernel
sent from my Nokia 3210 using xda-Developers mobile app

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@Android2003
use this one :
http://uploadboy.me/1dz4xttx86vc/Stock.zip.html

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I'm currently testing V2! Expect a release soon

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V2 is online, find the links in OP : what's new ?
- hotplugs are back
- underclock (268) / overclock (2880)
- added kcal support for screen tweaks
- prevent some kernel wakelocks
- new io schedulers
- fastcharge
I'll publish my kernel adiutor profile soon, I still need to make some optimizations but I must say that it is very promising ! (around 45 min for 10% consumption when screen is on on wifi)

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Francais, et en plus de ca Lyonnais ! GG Frero.
Wait for your kernel profile , so good for 45 minutes. Thanks Man !

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Testing v2.
Thanks CRACK!!!

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licha26 said:
V2 is online, find the links in OP : what's new ?
- hotplugs are back
- underclock (268) / overclock (2880)
- added kcal support for screen tweaks
- prevent some kernel wakelocks
- new io schedulers
- fastcharge
I'll publish my kernel adiutor profile soon, I still need to make some optimizations but I must say that it is very promising ! (around 45 min for 10% consumption when screen is on on wifi)
Click to expand...
Click to collapse
In OP u say, use kernel adiutor mod.
This version of the app is very buggy for me.
Stock app is working good.
Anyone with the same problem?
sent from my Nokia 3210 using xda-Developers mobile app

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Delete

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I get bootloop when I flash this kernel..

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Runs great with zzmove batteryplus, OC 2880/UC 268, UV-10, cfq with 512kb int./1024kb ext. read ahead and msm adreno tz with idler enabled and tuned to be less aggressive.
Testing SOT now...
Thanks a lot @licha26!
...btw: anybody able to enable simple_ondemand governor for GPU without sudden reboot?
Sent from my SM-G901F using XDA-Developers mobile app

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In all day I dont had any issue, reboot, etc...
The battery life is very good.
Great work!!!
[emoji106][emoji106]