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[Kernel | Android 10 | One UI 2.5 | FUF5] BeastMode Kernel v2 for N960F | v2.10 | 20210818

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ykkfive

Inactive Recognized Developer
Jul 25, 2010
2,970
2,897
ykkfive.blogspot.com
How do you say it would be better? Flash with ODIN files BL and CP N960FXXS8FUE5 Android 10 Germany (DBT) (03.06.2021) ? Should I flash these two new files over Q16?

Edit: flash Bootloaders and Modem with:

Now i have Q16 with last bootloader and modem.
ok, now you can test how's the battery consumption for a while. is it still draining battery like before you flashed the bootloader?
 

chuyennho184

Senior Member
Jul 18, 2010
445
169
Ho Chi Minh
Samsung Galaxy Note 9
@ykkfive: V2.03 still have to detect root with citi bank app. See below pictures.

P/s: I'm still testing v2.02. It's take much time to test. But now still have a drain battery in first day test.
 

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ykkfive

Inactive Recognized Developer
Jul 25, 2010
2,970
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@ykkfive: V2.03 still have to detect root with citi bank app. See below pictures.

P/s: I'm still testing v2.02. It's take much time to test. But now still have a drain battery in first day test.

for the citibank app:
you need to apply this https://forum.xda-developers.com/t/magisk-module-universal-safetynet-fix-1-1-0.4217823/ in magisk, as well as magiskhide props configs, then in magiskhide section, check (select ) the whole citibank app subprocess

for the battery problem: how's battery consumption now? you may need to replace some files from ue5 ultimately

anyway, try to fix citibank app 1st. for me, it's ok (not the same citibank app as yours)
Screenshot_20210628-212852_Citibank1.jpg
 

chuyennho184

Senior Member
Jul 18, 2010
445
169
Ho Chi Minh
Samsung Galaxy Note 9
for the citibank app:
you need to apply this https://forum.xda-developers.com/t/magisk-module-universal-safetynet-fix-1-1-0.4217823/ in magisk, as well as magiskhide props configs, then in magiskhide section, check (select ) the whole citibank app subprocess

for the battery problem: how's battery consumption now? you may need to replace some files from ue5 ultimately

anyway, try to fix citibank app 1st. for me, it's ok (not the same citibank app as yours)
View attachment 5349839
With magisk safetynet v1.1 make my device bootloop before. Also I'd hide magisk app in setting. I know a solution to bank app working is hide magisk app by rename magisk app to another name app. Don't worry about it. Only care about battery saver.


You said "you may need to replace some files from ue5 ultimately". I don't know this sentence. Please explain detail to me. Thanks mate.

With your kernel, sometime my device have random boot. I don't have idea about your kernel or rom (Alexis rom v2.8)? So, I need test more.
 

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ykkfive

Inactive Recognized Developer
Jul 25, 2010
2,970
2,897
ykkfive.blogspot.com
With magisk safetynet v1.1 make my device bootloop before. Also I'd hide magisk app in setting. I know a solution to bank app working is hide magisk app by rename magisk app to another name app. Don't worry about it. Only care about battery saver.


You said "you may need to replace some files from ue5 ultimately". I don't know this sentence. Please explain detail to me. Thanks mate.

With your kernel, sometime my device have random boot. I don't have idea about your kernel or rom (Alexis rom v2.8)? So, I need test more.

well that's not looking good, i mean the battery consumption. however the 2nd and the 3rd apps in the list seem consuming a lot of battery

for replacing the files from ue5, i mean, since you are using Q16 and it's UE1 based, some of the files may not be compatible with UE5 and this could cause problems. so what i did was, extracted those related files from the original UE5 stock rom and replaced them on my phone with Q16, like build.prop etc, in order to make it look like a real UE5. so if I can make it, why cant you, rite?

but i wonder if this helps since your battery consumption seems a bit unusual

this is mine

Screenshot_20210628-224630_Devicecare1.jpg
 

ykkfive

Inactive Recognized Developer
Jul 25, 2010
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How to activate dt2w (double tap to wake) in Alexis 2.8 rom?

it should be on by default
note that you'll have to turn on display always on , i didnt know too at first

in case this is not the way you want (just like me before) and want to have dt2w with unlock, ie no need to press hard at the bottom, sorry the answer was no, that's what i got from other kernel developer. i think it can be done on the rom level as to bypass it, but yet to have time to investigate
 
Last edited:

ykkfive

Inactive Recognized Developer
Jul 25, 2010
2,970
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ykkfive.blogspot.com
NOTE

for those using kernel manger like hktweaks, mtweaks, etc:

if you have been playing around with the cpu page and turning on and off the cpu cores before
AND
if you have saved the settings in profile, please check your profile settings in those app by clicking on the menu in the profile page and select profile details to see if you are actually running with one or more cpu cores offline

if you find in the details something like below, then you have turned off one or more cores, ie you are not running with all cores online! look for a line looks like:

echo 0 > /sys/devices/xxxxxxxxxx/cpu/cpu7/online

0 means off, so the above command will turn off core 4 in m3 (cpu 0-3 refers to the little cores, 4-7 refers to the big cores)

i have checked by command these app will actually turn off the cpu core but just do not show them properly in the app, and have problems in turning the cores back online

remedies for normal users:
- disable run at boot option and reboot (to let all cores online again)
- re-apply the settings you have made before but DON'T touch the online/offline toggles
- save as a new profile
- check the profile details again and make sure you didnt bring any of them offline before applying auto start option

OR (just found out last nite)
- click one the profile's menu, choose edit
- select those unwanted item one by one in the list, and delete


good luck! 😄
 
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ykkfive

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Jul 25, 2010
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EDIT 20210804
a more aggressive gpu voltage settings is posted here awaiting a fix



BM-Kernel-v2.04m released

20210726 - v2.04m
- compatible with FUF5 (** may have problems if you use lockscreen or samsung account with possible fix here. ALWAYS do a full backup first)
- overclocked: cpu little to 2002000Mhz, gpu to 598000Mhz
- undervoltaged: cpu/memory
- support gpu under voltage
- linux upstreamed to 4.9.250
- cherry picked some kernel tweaks
- for undervolting the gpu, you may refer to my initial safe settings below and adjust them by yourself. there are still rooms to undervolt, but it is suggested you do it bit by bit, and one by one and test the new voltage before next


gpu_voltage.jpg
 
Last edited:

ykkfive

Inactive Recognized Developer
Jul 25, 2010
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ykkfive.blogspot.com
f2fs support is still further ahead or implemented?
some problems for data partition causing boot loop , besides, i found that twrp 3.3.x produces some errors when formatting to f2fs. not recomended at this point
but if you wish, you may try the twrp provided by whitewolf kernel, there's a n9 version
 
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ykkfive

Inactive Recognized Developer
Jul 25, 2010
2,970
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ykkfive.blogspot.com
FYI, just tried new test build and still a no go. Couldn't even dirty flash back to get in ROM. Had to do a factory reset.
my apology... i will remove the link then.
which rom you are on? from what i have read most of the lockscreen problems can be fixed on the rom level . otherwise u may have to wait for samsung to release the latest sources

edit by the way you may follow the solution provided by @evdenis :

"You can reboot to TWRP, navigate to data/system and delete 3 files those names starts with 'lock'. Reboot. Login, set a new pin."
note that the solution for samsung account didnt work for me unfortunately

original posted here https://forum.xda-developers.com/t/...-kernel-s10-note10-v3-9.4063495/post-81959141
 
Last edited:

jayjay1234

Senior Member
Jan 24, 2009
301
94
my apology... i will remove the link then.
which rom you are on? from what i have read most of the lockscreen problems can be fixed on the rom level . otherwise u may have to wait for samsung to release the latest sources

edit by the way you may follow the solution provided by @evdenis :

"You can reboot to TWRP, navigate to data/system and delete 3 files those names starts with 'lock'. Reboot. Login, set a new pin."
note that the solution for samsung account didnt work for me unfortunately

original posted here https://forum.xda-developers.com/t/...-kernel-s10-note10-v3-9.4063495/post-81959141
Thanks for the suggestion. I'll try it if it happens again.

I'm on ALEXISROM_2.9.
 

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  • 2
    You're right. I apologize that I forgot about your busy schedule. Then there is no problem for me to keep providing benchmarks and gaming numbers. I can actually provide far more details than beforehand. So you can even stop benchmarking to save some time. I'll do it.

    And yes. The +30% results are actually achievable with your Kernel, but not with the stock frequency range (attention, no overclocking intended). With the stock range, aka 650-1794MHz big and 455-1794MHz SMALL, PCMark still sees a tangible 11% improvement. Going for such wide frequencies ranges with Samsung's scheduler is a bad idea because it's slow in ramping up the frequency (410ms to go up to 1794MHz from min according to Andrei). And in my experience, just raising minimum small frequency to about 1GHz and minimum big frequency to about 1.2GHz minimum brought that increase to the 29% I mentioned. Putting it in a performance-like status (which means no transition across frequencies at all) gave me results so high I ACTUALLY managed to beat an Exynos 9820 and almost match a Snapdragon 855 in PCMark, which is a daily usage benchmark, which made me extremely impressed and you should be too.

    And this wouldn't even be detrimental to battery life. Like you said before, the flexibility of the Custom Kernels comes from this. We can put whatever we want, when we want it. And profiles furtherly make that easier. So that one can put power saving measures when needed, and full performance also when needed. It's a win-win! And these results wouldn't have been achieved with the stock Kernel, even with performance governor. Because it lacks all the tweaks this one has. All that has to be done right now is this bug fixing.

    As you add the tweaks bit by bit, I will test the new releases and tell you how it's going. And one last note, if it is even possible, if you have the time for it, try to make it possible to tune the frequencies of the single/dual and quad core frequencies of the big cores. Because as of now it is basically impossible to overclock them and gain multi core improvements. That is honestly my only request together with a revision of the thermal and power throttling systems, because they appear to be interfering with my Kernel settings (Little CPU max frequency, GPU frequency irreversibly. Throttling threshold APPEARS to be at 70°C on CPU. Making it tunable would be great.). The current governors for the Mali GPU also are super conservative (and raising minimum frequency to 572MHz doesn't affect the GPU's behaviour, as it ignores it and goes at the frequency it wants AS SOON as I enter a game), just like Mali GPUs in general. Performance governor would make gaming buttery smooth when used. There is a lot of work to do, but this is just the very beginning, you have been back in the game for what, 2 months? And you have already done all of this. You can do great things. Believe in the potential of this Exynos 9810 because it does have it. It's all about pulling it out. And I'm glad to see I can free your schedule a bit. Again, good luck with everything mate.

    no problem and thanks mate

    and regarding the time needed to pump up the cpu, there has been some tunings deployed for the 9810 custom kernels like reducing the number of cycles or time per wait etc, so it should be quicker than the stock one. also for the gpu, try changing the interactive governor settings as to when to push it up and at which freq

    i am currently working on updating the file system stuff and it's almost done. once it's finished, together with a few basic stuffs i will go back to the cpu, gpu and freq things since they can affect the overall performance badly. so i don want to build on top of these like before where i have to redo most of the changes in case of problems arise

    once again thanks for your help
    2


    well, thanks very much for your suggestions. in fact i am still trying (and learning) to make it better in some aspects. but also, as i said, there are some trade offs so that's why (partly) i have removed the gpu oc for now, for instance

    and about the performance/benchmarks, wow, just like reading a review. and for those i have tested before you have almost reached my peak numbers already

    and yeah i have read those articles before, and most of them were implemented by other kernels on github already and cherry picked into this kernel. on the other hand i am still trying to patch the f2fs thing, and gpu oc plus other tweaks are still on the list including scheduling and memory etc but these will take time to implement and test

    anyway, once again, thanks for your inputs mate!

    ps i didnt aware the loadings/stats are not shown anymore since i dont rely on those kernel managers but init scripts to make the changes, i will take a look at that too
    1
    I really like this kernel. Is it compatible to the new FUH1?
    Edit: doesnt work :(

    FUH1 is too old
    consult your rom dev or do a upgrade
    1
    Does this work for stock One UI 2.5 Android 10 ROM? Also does this Kernel include the Magisk Root?

    yes, for fuf5 rom at the moment
    1
    Okay, I only have one more question. This Kernel enables BIG cores to be overclocked up to 2880MHz. However according to Andrei. (An anand tech fella who did investigations on Exynos 9810), the Big cores only go at 2704MHz on single core. They dial back to 2314MHz in dual/tri core workloads and then they go at 1794MHz at quad core. This means that achieving 2.8GHz is actually impossible on all cores, right? How far should I be able to go though? Your Kernel locks the BIG cores at 1.8GHz which means only the small cores are actually overclocked. Is there something I am overlooking? I use Franco Kernel Manager to control the kernel. And it says all the 4 cores go at max 1794Mhz. Do they boost up to 2.89 in single core workloads? I noticed that it boosted to 2860MHz for a second or so on a single threaded workload. But that's not at 2890MHz and I have no clue regarding the other stats. Does changing that 1794MHz in my Kernel manager only refer to the quad core frequency? If I raise it is it going to mess everything up?

    right, 2.8 for 4 cores is not possible. the max freq will drop when more than 1 cores are used, and so on, and max at 17xx when 4 cores are used. if you read the cpu time in those kernel manager, u should see 27xx is non zero, meaning that 2.7 is achievable but not lasted for too long unless u restricted to single core

    i have seen 1 core max at 27xx so far but i did not pay too much attention on it becoz it is only less than 3% difference. more i found that the linkages between cpu, mem, gpu are tight which will pump up the heat. so in real practice, ocing too much may not necessarily means it runs faster since there are cooling points and when these cooling points are reached the freq will be forced down. chances that it may run faster in general say at 2.1 max due to less heat is generated but still maintaining a good performance. however it depends on how you will use your phone

    actually i am still changing these numbers, just like in the latest build, i have removed some changes to make the phone run faster as it should be

    this may not answered all of your questions but feel free to ask anytime
  • 9
    Hi all,

    It's ME again, being inactive for a few years due to my health conditions since Android Marshmallow! Today I would like to present you something I wanted for so long... an updated kernel for One UI 2.5! To be honest, I knew there were a lot of changes since MM, but not until these days I realized how troublesome they are, including rooting a device these days!! ( just rooted my N960F/DS running stock pie for more than a year ;) )
    OK, here we go!!


    This is an update to the BeastMode Kernel vR154 originally developed by @freeza and patched with latest Samsung One UI 2.5 kernel sources.

    Some of the features from R154 include:
    - enforcing kernel (switchable between enforcing/permissive)
    - cpu/gpu oc
    - dt2w (double tap to wake)
    - wireguard support


    However, due to my health conditions, I cannot spend too much time to update this kernel everyday although I am jobless, nor to have frequent updates as what @freeza did to his BeastMode Kernel. So please don't expect things will come very often. Thank you



    Special notes for BeastMode Kernel v2 initial release:
    - in the initial release (v2.02) there is no fix nor new feature added to the BeastMode Kernel vR154, as it servers as an update for new One UI 2.5 ROMs released by Samsung only
    - for existing features, problems or solutions, please visit the original BeastMode Kernel thread by @freeza
    - new features will be added in later releases



    BeastMode Kernel v2:
    - built with EVA GCC 12 and Proton Clang 13.0.0
    - for cts profile/safetynet fix, please install the Universal SafetyNet Fix by @kdrag0n



    Planned features:
    - more IO schedulers
    - more governors
    - OC/UV
    - f2fs



    If you like this, please consider donating a loaf of bread or something to support my living or buy some treats for my old dog @ https://paypal.me/ykkfive ( I don't need coffee or beer :giggle: ). Thanks!



    Important Notes:
    if you are using a kernel manger, please go to here and see if you are affected



    Downloads:
    Changelog and downloads in post #2



    Credits:
    Big thanks to @freeza for allowing me to use his work and publish this update
    Samsung open source
    @evdenis
    @yarpiin
    @Da-BOSS



    Source code:
    github
    5
    NOTE: I am not responsible for bricked devices, loss of data, etc. Flash it with your OWN RISKS and ALWAYS DO A FULL BACKUP first



    Changelog and Download (NO mirror please):


    20210818 - v2.10
    - revised from the beginning with updates to FUF5
    - cpu oc/uv
    - gpu overclock/under voltage removed (awaiting fixes)
    - some changes reverted
    - Wake Gestures and Boeffla wakelocks included
    - bring back the performance from initial release (up to 23% or more with multi cores, and nearly 3x memory performance when compared with v2.04) ** thanks for reporting this issue



    Downloads (mediafire):

    BM-Kernel-v2.10-magisk_patched.zip (patched with Magisk 23.0)
    boot.img (no root)




    Previous releases:




    Known Issues:

    20210730:

    (I) for version up to v2.05, the following features do not work as expected due to my mistakes

    • Wake Gestures including double tap to wake (dt2w), swipe to wake (s2w), etc
    • Boeffla wakelocks
    These problems will be fixed in the next version soon.
    FIXED. Please accept my sincere apology

    (II) in v2.05 default gpu voltage may incorrectly show the modified values as default values in kernel manager

    (III) since v2.04m the performance is not as good as v2.03 due to the introduction of some kernel changes









    20210730 - v2.05a
    - Wake Gestures and Boeffla wakelocks problems fixed
    - no other changes, bugs fixing release of v2.05


    Downloads:
    links removed







    20210729 - v2.05
    - updated with Samsung FUF5 sources just released
    - no other changes
    - links REMOVED, superseded by v2.05a







    20210726 - v2.04m
    - compatible with FUF5 (** may have problems if you use lockscreen or samsung account with possible fix here. ALWAYS do a full backup first)
    - overclocked: cpu little to 2002000Mhz, gpu to 598000Mhz
    - undervoltaged: cpu/memory
    - gpu undervoltage support awaiting a fix
    - linux upstreamed to 4.9.250
    - cherry picked some kernel tweaks
    - for undervolting the gpu, you may go and read my settings here awaiting a fix


    Downloads:
    links removed






    More Previous releases:


    20210628 - v2.03
    - added "magisk detected" BASIC fix to prevent apps trying to detect if magisk is installed (only some of the detections are prevented)
    - you can see the difference by installing an app from google play store called "Дія" issued by Ministry of Digital Transformation of Ukraine


    before applying fix
    after fix applied


    - for more info, please read:
    https://darvincitech.wordpress.com/2019/11/04/detecting-magisk-hide/
    - for a comprehensive solution (NOT TO BE SUPPORTED/DISCUSSED HERE):
    https://forum.xda-developers.com/t/magisk-detected-on-bankapp-solved.4258245/
    IMHO, if there's nothing bothering you, you can ignore this comprehensive solution atm. but of coz it's up to you


    Downloads:
    links removed








    20210621 - v2.02 (init release)
    *** Special announcement for Dr.Ketan ROM Q16 - 20210623 ***
    it seems there are some compatibility issues with Dr.Ketan ROM Q16 and this kernel, due to the fact that Q16 is based on N960FXXU8FUE1 while this kernel is N960FXXS8FUE5. As a result you may not be able to login to Samsung Account, or have cts profile/safetynet issue. So please MAKE A FULL BACKUP before proceed. more details later


    - updated with N960FXXS8FUE5 sources
    - tested with stock rom UE5, Dr Ketan Q16 with some patches
    - working properly with DevBase 7.4 and Alexis ROM 2.8 from users feedbacks
    *** make sure you have flashed N960FXXS8FUE5 AP, BL, modem etc

    Downloads:
    links removed




    .
    3
    Now I migrated bm v2.02m + Alexis 2.8 combination. All seems decent for now. Still boeffla and double tap sections are missing. But it's okay.
    Here is the devchecks ram performance attachment. (on v2.02)

    I am going to perform antutu and geekbench and post here.
    u mean 2.04m?

    I am on v2.05

    Ram performance is decreased, confirmed with doing devcheck comparison and antutu bench.

    tap to wake and sleep options are gone.
    boeffla options are gone.

    Accordig to Devcheck,

    Cmemcopy: around 5000 Mb/s
    Cmemset: aroud 7500 Mb/s

    on R154 these were 10000 MB/s and 15000 Mb/s respectively.

    Cpu an GPU performance are good.

    I am on Alexis 2.9 Note 9 SM N960F


    And also the voltage table that given by dev is passed two full antutu bench. No crashes.
    i have did some tests today and yes, 2.02 is the fastest one, it was the original one without any "enhancements" in other aspects like cpu/gpu overclocking. it is not unusual that these enchancements can be beaten by the one without in terms of performance. it all depends on the usage, and more importantly everthing comes with a price. so you may find it at stock max speed outperforms an overclocked cpu due to the heat generated (which trigger the mechanism to lower the cpu freq as to cool it down). eg a 10 seconds task running with 2000Mhz may be better than 3 seconds with 2400mHz plus 7 seconds with 1700Mhz. you see what i mean? of coz, once again, it depends on the usage and the way of using it like benchmarking or daily use

    anyway, thanks for your feedbacks, as well as others. without you guys' feedback i couldnt discover the bugs myself

    also, i may consider to make an extreme version, which will be rebased on 2.02 with FUF5 but without any unneccessary changes for those who focus more on the speed due to different usage patterns if there are demands for it. but in general, 2.02 is still working fine with FUF5 except samsung account login issues for some users i believe

    on the other hand, i will continue to cherry pick some useful changes to optimize it in general for the main stream version

    thanks
    3
    EDIT 20210804
    a more aggressive gpu voltage settings is posted here awaiting a fix



    BM-Kernel-v2.04m released

    20210726 - v2.04m
    - compatible with FUF5 (** may have problems if you use lockscreen or samsung account with possible fix here. ALWAYS do a full backup first)
    - overclocked: cpu little to 2002000Mhz, gpu to 598000Mhz
    - undervoltaged: cpu/memory
    - support gpu under voltage
    - linux upstreamed to 4.9.250
    - cherry picked some kernel tweaks
    - for undervolting the gpu, you may refer to my initial safe settings below and adjust them by yourself. there are still rooms to undervolt, but it is suggested you do it bit by bit, and one by one and test the new voltage before next


    gpu_voltage.jpg
    2
    You're right. I apologize that I forgot about your busy schedule. Then there is no problem for me to keep providing benchmarks and gaming numbers. I can actually provide far more details than beforehand. So you can even stop benchmarking to save some time. I'll do it.

    And yes. The +30% results are actually achievable with your Kernel, but not with the stock frequency range (attention, no overclocking intended). With the stock range, aka 650-1794MHz big and 455-1794MHz SMALL, PCMark still sees a tangible 11% improvement. Going for such wide frequencies ranges with Samsung's scheduler is a bad idea because it's slow in ramping up the frequency (410ms to go up to 1794MHz from min according to Andrei). And in my experience, just raising minimum small frequency to about 1GHz and minimum big frequency to about 1.2GHz minimum brought that increase to the 29% I mentioned. Putting it in a performance-like status (which means no transition across frequencies at all) gave me results so high I ACTUALLY managed to beat an Exynos 9820 and almost match a Snapdragon 855 in PCMark, which is a daily usage benchmark, which made me extremely impressed and you should be too.

    And this wouldn't even be detrimental to battery life. Like you said before, the flexibility of the Custom Kernels comes from this. We can put whatever we want, when we want it. And profiles furtherly make that easier. So that one can put power saving measures when needed, and full performance also when needed. It's a win-win! And these results wouldn't have been achieved with the stock Kernel, even with performance governor. Because it lacks all the tweaks this one has. All that has to be done right now is this bug fixing.

    As you add the tweaks bit by bit, I will test the new releases and tell you how it's going. And one last note, if it is even possible, if you have the time for it, try to make it possible to tune the frequencies of the single/dual and quad core frequencies of the big cores. Because as of now it is basically impossible to overclock them and gain multi core improvements. That is honestly my only request together with a revision of the thermal and power throttling systems, because they appear to be interfering with my Kernel settings (Little CPU max frequency, GPU frequency irreversibly. Throttling threshold APPEARS to be at 70°C on CPU. Making it tunable would be great.). The current governors for the Mali GPU also are super conservative (and raising minimum frequency to 572MHz doesn't affect the GPU's behaviour, as it ignores it and goes at the frequency it wants AS SOON as I enter a game), just like Mali GPUs in general. Performance governor would make gaming buttery smooth when used. There is a lot of work to do, but this is just the very beginning, you have been back in the game for what, 2 months? And you have already done all of this. You can do great things. Believe in the potential of this Exynos 9810 because it does have it. It's all about pulling it out. And I'm glad to see I can free your schedule a bit. Again, good luck with everything mate.

    no problem and thanks mate

    and regarding the time needed to pump up the cpu, there has been some tunings deployed for the 9810 custom kernels like reducing the number of cycles or time per wait etc, so it should be quicker than the stock one. also for the gpu, try changing the interactive governor settings as to when to push it up and at which freq

    i am currently working on updating the file system stuff and it's almost done. once it's finished, together with a few basic stuffs i will go back to the cpu, gpu and freq things since they can affect the overall performance badly. so i don want to build on top of these like before where i have to redo most of the changes in case of problems arise

    once again thanks for your help