[Kernel] Render Kernel][R1] - Nexus 6 Android Development

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for CM13.x and Android 6.x​
Code:
/* *** Disclaimer
* I am not responsible for bricked devices, dead SD cards, thermonuclear war,
* or you getting fired because the alarm app failed. Please do some research
* if you have any concerns about features included in this KERNEL
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.
* BOOM goes the Dynamite
*/
I am releasing this kernel because I like to share my work and have had requests to do so and, lastly, because we needed yet another kernel released for our beloved N6! I started out at XDA because I wanted to learn and share what I have learned. My goal with this kernel is to be a very fast and stable build that offers some things that the other kernels do not. I also want to initiate Development Discussions among the community. This will be a noob friendly thread as long as users follow two rules. First is to do some research before asking. Most likely your question has already been asked. If not in this thread then in another. Remember to always search first! Second is BE RESPECTFUL. You do these two things and even the most hardened Dev will assist you.
Wanna be notified of an Update? Here is my PushBullet Channel!!
https://www.pushbullet.com/channel?tag=renderkernel
Current Features
General List:
* Linux 3.10.102
* Built with Custom Built HYPER Toolchain 4.9 from @frap129
* NEW State_Helper by @neobuddy89
* MSM_Limiter by @neobuddy89 - More like a Swiss army knife! adds Per-Core Functionality!
* State Notifier Driver by @neobuddy89 !
* Govs - SmartMAX, ElementalX
* IO Scheds - FIOPS, ROW, DEADLINE, NOOP, and ZEN Schedulers
* Franco's Sound Control
* Complete Color Calibration Thanks to @savoca
* USB Fast Charge (ON/OFF Toggle)
* New LZ4 Compressor/Decompressor: Just plain fast!
* F2FS Support
* Simple_GPU_Algorithm from Faux!
* Added Sysfs for GENTLE_FAIR_SLEEPERS ARCH_POWER
* Quick Wakeup
* KEXEC Support (MultiRom)
* Power Aware Scheduling
* Voltage Control
* Wakelock Control - Kernel Aduitor ONLY for now
I recommend Synapse combined with UKM for Kernel Tuning
Synapse Play Store Link
Render-UKM
Download:
Kernel Downloads
Instructions:
* Boot into Recovery
* (Recommended) Make a complete backup of everything!
* Flash Zip
* Reboot
THANKS!!!!
First I want to say thank you to everyone who has answered my questions and responded to my pm's when I know they are busy with their own lives. Pretty much everyone I have come into contact with here on XDA has been truly helpful and respectful. Here is a list of people that had helped me in one way or the other:
Neobuddy89, ak, myfluxi, Dorimanx, Savoca, Faux123, DespairFactor and Many More!
Thank you guys! Without your contributions to the community we would not have the level of performance, stability and interaction that we have today
Special Thanks!
Donators: @nfin1te, @MrDarkKV, @V1TRU, @Really now @erad1
XDA:DevDB Information
[Kernel] Render Kernel][R1], Kernel for the Nexus 6
Contributors
RenderBroken, rignfool
Source Code: https://github.com/RenderBroken/SHAMU-kernel
Kernel Special Features:
Version Information
Status: Testing
Current Stable Version: R3
Stable Release Date: 2016-04-12
Created 2016-02-28
Last Updated 2016-12-07

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R1 is HERE!!!
Things to note:
I had been working on this release for some time now. About 3 weeks. I have been getting a feel for the n6 and where I think I can gain some optimization and not lose performance/battery. I use MSM_Hotplug as the default hotplug. I have tuned to to what I believe will give you just as fast an experience than with the Stock "All 4 cores online" MPDecision. Except I am keeping up this performance with only 2 cores enabled. I could not be happier with what I have been able to pull off. If you look through my source you will see that I have tried to piece together a cohesive kernel without just mass importing from another. My plan for this kernel will be to have one that is deliberately constructed and as lean as possible. I am going to aim at keeping out as much cruft as possible. Lastly, note that I do this work for myself first and for you all second. I work 2 jobs and have a family that comes first. I love Android Kernel development and ope to get others involved as well. Lets keep this thread interesting with development discussion and trials. Also, I am not against some OT as long as it doesnt devolve into baselessness and drama.
Kind Regards,
Render

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Reserved

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Welcome to Shamu!

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Glad you finally made it bro.
Whole family is here now.

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First Blackbird and now Render did I accidentally wander back into the G2 forum?

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Same performance as all cores online with only 2? Alright I certainly have to try this out to see if that could be the case.

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RENDER!? Here on the N6? You made the G2 another beast. I love Hydra Kernel but I'm really glad to check this out.
Good to see you again man.

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TransportedMan said:
Same performance as all cores online with only 2? Alright I certainly have to try this out to see if that could be the case.
Click to expand...
Click to collapse
Please do and let me know!
Now to hedge my bet a little, we all know if I were multi-tasking, of course running 4 cores is always better than 2. What I am talking about is the User Experience (UX). The UX is comparable to using the Stock Hotplug driver but I am using Neobuddy's Modded MSM_Hotplug. That coupled with other changes I have made around the kernel allow me to use 2 cores as long as you are touching the screen, 1 core only after a certain amount off time when you stop touching the screen. Of course when you open an app or do something intensive like that, the 3rd and 4th core can/will online to accommodate the extra load till the load is below a certain threshold and then the normal 2 cores online while touching the screen algorithm kicks back in. Using this setup allows for a smooth UX while keeping battery drainage to a minimum but is able to scale properly when the need kicks in.
So what this means to those of you that do not understand the above, this kernel is battery conscious and smooth while scrolling and browsing and will kick into overdrive when needed like during gaming and other heavy, intensive processes like using Titanium Backup.
This is why I like to balance different changes in the kernel to make sure the UX is not messed with. Just remember, I run my own kernel and it would drive me nuts if there was needless lag all over the place!
bleached45 said:
RENDER!? Here on the N6? You made the G2 another beast. I love Hydra Kernel but I'm really glad to check this out.
Good to see you again man.
Click to expand...
Click to collapse
Hey! Glad to be here. I have been wanting to get a phone that uses the newer 3.10.x based kernel and could not pass up the great deal I got for my N6! Also, I too really enjoy Neobuddy's work and you will see many things that I use of his. We share alot of the same Design goals I believe so there will be some things that will feel familiar and some that will be new.
But I could have kept making more and more changes to the current kernel and decided that I had to release now or I never would anytime soon. I need more ppl to test my kernel and there is no better way than releasing it to the wild!

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What a reminder of the good old days of the G2.
Your purchase of the N6 means we will really get the max out of our N6 as well.
Welcome to this great community.

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Hi Render
Welcome to the N6 family
Kernel is fantastic, great battery
But is this normal on the screen?
Thanks in advance
And enjoy the time here :good:

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danmaman said:
Hi Render
Welcome to the N6 family
Kernel is fantastic, great battery
But is this normal on the screen?
Thanks in advance
And enjoy the time here :good:
Click to expand...
Click to collapse
Thanks!
Yes, that is supposed to happen. Those two SYSFS's are not present in my kernel because they did not work anyways. Our sound driver doesnt allow for us to make changes to those variables. Now, the reason you see the error is because Synapse back end sees that we are using Faux's Sound Control and expects all 5 SYSFS entries to be there when infact there are only the 3 that are really used.
Same with Franco's. I just modded the OG Sound Control driver to remove the unneeded cruft.
Thanks for the report! Glad to clear that up.

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RenderBroken said:
Thanks!
Yes, that is supposed to happen. Those two SYSFS's are not present in my kernel because they did not work anyways. Our sound driver doesnt allow for us to make changes to those variables. Now, the reason you see the error is because Synapse back end sees that we are using Faux's Sound Control and expects all 5 SYSFS entries to be there when infact there are only the 3 that are really used.
Same with Franco's. I just modded the OG Sound Control driver to remove the unneeded cruft.
Thanks for the report! Glad to clear that up.
Click to expand...
Click to collapse
OK no problem... I understand
Now I'll do a full charge, and let's see how the kernel runs :good:
Thanks a lot

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One of my favorites on my vs980 LG g2, glad to see it on Shamu! I'll be testing this with mokee later today, if I can wait that long.
Also, is it against the rules to ask you to add a patch?
I use my Nexus 6 as a keyboard for my server computers to navigate through BIOS settings, I use an app called "USB keyboard". But the app needs this patch to run here

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noidea24 said:
One of my favorites on my vs980 LG g2, glad to see it on Shamu! I'll be testing this with mokee later today, if I can wait that long.
Also, is it against the rules to ask you to add a patch?
I use my Nexus 6 as a keyboard for my server computers to navigate through BIOS settings, I use an app called "USB keyboard". But the app needs this patch to run here
Click to expand...
Click to collapse
Hey! Glad to see you here. And, no, its perfectly fine to make a request. I will always consider them and if it makes sense, I will make the changes requested. Also, that was something I was going to merge in anyways! I will go ahead and queue it up for R2.

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Hello,
Thank you for this release!
The default settings are ok for day-to-day use please? Or is it better to set everything up myself? (im not very familiar with synapse and that UKM thing). If something really needs to be set up by user i would use Kernel Adiutor.

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Droidphilev said:
Hello,
Thank you for this release!
The default settings are ok for day-to-day use please? Or is it better to set everything up myself? (im not very familiar with synapse and that UKM thing). If something really needs to be set up by user i would use Kernel Adiutor.
Click to expand...
Click to collapse
I actually use Kernel Aduitor myself. I have not updated my UKM in awhile. It looks like I will be needing to make some changes to make it compatible with SHAMU. Also, of course the default settings are good. I think only a few things were left out when I released. One being setting the default gov to Interactive. It scales better than SmartMAX imo. Also the Min and Max Freqs were not set to stock like I want the default settings to be. I cannot remember anything else but even with those things missing, the kernel runs freaking great. I am really excited for the future of this kernel.
ATM, I am getting 1.5 Hours SoT per 25% but that is also with using wifi 100% of the time and Bluetooth connected to my headset listening to music and audiobooks all morning. This measurement was about 5 hours of use. I have listened to about 3 hours of music/audiobooks and have been connected to wifi for about 3 hours. I am what I consider a moderate to heavy user. I also use my phone for work so I have 3 email accounts syncing along with their calendars (I have two jobs). So all in all, I am pretty impressed considering I have the settings setup to be smooth without sacrificing performance and battery too much. What is the point of having such an awesome phone if you deal with lagging and stuff. I will alwasy opt for a smooth UX while building this kernel. I assume everyone can at least get to a charger at the end of the day so I am not too worried about making a marathon build. But I am sure you can tune this kernel to be one though. More features are incoming that may help.

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Droidphilev said:
Hello,
Thank you for this release!
The default settings are ok for day-to-day use please? Or is it better to set everything up myself? (im not very familiar with synapse and that UKM thing). If something really needs to be set up by user i would use Kernel Adiutor.
Click to expand...
Click to collapse
Hi mate
i use the default settings with smartmax....and i'm happy with it:good:

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Hi,
Thanks all! Will flash and keep setting as they come.

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Droidphilev said:
Hi,
Thanks all! Will flash and keep setting as they come.
Click to expand...
Click to collapse
:good::good:
I only changed vibration... That's it