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<i class="fa--xf far fa-chart-bar" aria-hidden="true"></i> Are you interested in a magisk module introducing a so called summer mode(explanation in the thread)
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DEVELOPMENT [KERNEL][07.12.2023][ANDROID 14.0.0 STABLE]KIRISAKURA_RAVIANTAH
2.1.0 FOR PIXEL 7/PRO AKA "PANTAH"
* Thread starter Freak07
* Start date Oct 24, 2022
* Tags battery freak07 kernel kirisakura performance
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* Google Pixel 7 Pro
•••
BREADCRUMB
Home Forums Google Google Pixel 7 Pro
ARE YOU INTERESTED IN A MAGISK MODULE INTRODUCING A SO CALLED SUMMER
MODE(EXPLANATION IN THE THREAD)
* YES
* NO
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FREAK07
RECOGNIZED DEVELOPER / RECOGNIZED CONTRIBUTOR
Jan 2, 2011 6,419 22,890
* Oct 24, 2022
*
* #1
Kirisakura-Kernel for the Pixel 7/Pro
Hello everyone,
To keep it short: Here is Kirisakura - Kernel for the Google Pixel 7 Pro aka
Cheetah and the Pixel 7 aka Panther, together Pantah.
I would appreciate if everybody that flashes the kernel, reads at least once
through this opening post and the following ones.
The kernel aims to keep most of the subsystems updated, way ahead of the stock
kernel, thereby improving security, stability and performance!
This includes Linux-Stable, F2FS-Stable and kernel/common!
If that got you curious, have a read about linux-stable and why it is important
here. The stable-process is not the same for every subsystem, but the general
idea, rule of thumb and benefits are applicable for other subsystems as well.
By merging linux-stable regularly we get most security updates months ahead of
the stock kernel and also before they even end up in the android security
bulletin.
The kernel includes a lot of improvements and contributions from other
developers as well. Without those contributtion this kernel would not exist as
it is.
A big part of improvements originate from @arter97´s, @kdrag0n´s and
@Sultanxda´s work. Many others contributed in some way or another to this
kernel.
A big thanks to all of them at this place!
Now lets continue with a list of features in the next paragraph!
Features:
Main Features:
- Based on latest A14 kernel sources from Google, Kernel is made for Android 14
Stable
- Linux-Stable-Upstream included to 5.10.197
- Compiled with prebuilt Google clang 17.0.4
- EEVDF scheduler patches
- lockless slab shrinker
- Backport entire RCU subsystem to latest linux
- Lazy RCU which should result in power-savings while the device is
lightly-loaded or idling, more information here
- Backport Maple tree from Linux 6.1
- improve preallocations from maple tree (affects especially android)
- reduce necessity to rewalk the maple tree
- Per VMA-locks in conjunction with Maple Tree RCU-Mode (improve app launch
time, this feature in general benefits greatly from lazy rcu!)
- further improve maple tree/per-vma locks introduced in an earlier release
- Dynamic Energy Models depending on device state
- make TEO-Cpuidle util-aware (improves latency, performance and decreases
energy consumption for certain workloads, more information here)
- introduce runnable boosting, wire it up with pixel_sched
- improve CPU throttling behaviour
- improvements to uclamp, prevent capacity inversion (reduce missed frames)
- greatly speed up camera launch time!
- merged kernel/common (improvements to android-common-kernel straight from
google)
- MM subsystem reworked (more info and some patchsets linked in this post)
- Multi-gen LRU backported/reworked and enabled (more info here, here as well
and here) to improve mm and reduce cpu cycles, latest V15 state (current state
disabled, as google remotely controls the prop)
- pelt multiplier tied into powerhal to speed up scheduler during interaction
(more info here)
- prevent frequency spikes caused by small transient tasks when the device is
idle(more info here)
- tie mechanism to prevent frequency spikes caused by small tasks also into
powerhal
- scheduler improvements for RT (realtime) tasks
- introduce and setup PMU limiter (prevents CPU from spiking to max when it
isn´t needed, based on PMU reads, more information here)
- improve camera performance by tuning the powerhal during recording
- bias tasks of rt, sf and ta groups to prefer high capacity cpus during app
launches, interactions
- improve app launches via powerhal
- restrict maximum CPU-Freqs during screen off/ idle to 1.4GHZ for all clusters
to save power
- introduce unfair f2fs rwsems to prevent writer starvation and improve IO perf
under heavy load
- fuse: give wakeup hints to scheduler to speed up compress/decompress in
internal storage (details)
- enable RCU_BOOST (details here), also fix RCU_BOOST behaviour
- F2FS-Stable updated
- merge and enable f2fs block_age-based extent cache (improve the accuracy for
data temperature classification, reduce the garbage collection overhead after
long-term data updates)
- TCP backports from mainline
- SSG IO scheduler for reduced overhead and less CPU cycles (more lightweight
and android optimized)
- scheduler backports from linux-main
- mm updates from linux-main
- locking updates frm linux-main
- improve memory performance by tweaking google´s eh zram implementation
- fix sysfs endpoint for googles eh zram
- affine IRQS to CPU 7 during camera usage for improved performance as it tends
to overload the little cores
- use bbr as default TCP congestion algorithm (fasted algo according to this
excellent research from @kdrag0n found here )
- include bbrv2 from google, more info here
- Enable support for TTL spoofing
- important patches from kernel/common for 5.10 (here are more details)
- increase priority of GPU work
- several updates from QPR beta, and a few from Pixel 6 that googles missed to
include in the pixel 7 kernel
- improve thermals
- change compaction proactiveness based on device state for improveed memory
management
- improve ZRAM usage
- reduce overhead
- improve performance and efficiency by properly wiring up pixel_sched with teo
util awareness (thanks @ada12 for spotting this!)
- update to cpuset/cgroup subsystem (speeds up camera launches, device unlocks
etc as cpusets are switched on those conditions, patches reduce overhead in
those conditions)
- flashing the kernel will preserve root
CleanSlate Features
- CleanSlate Features from @tbalden, big applause here! (s2s, notification
booster, battery saver, flashlight notifications. Please note: cleanslate
features that work otherwise with rooted devices like kadaway (adblocking) are
not implemented on this kernel since I´m running rooted)
- Check the CleanSlate thread for more information about those features
- The CleanSlate thread also contains the apps that allows you to control those
features!
- If you consider those features useful, maybe consider purchasing the apps in
the PlayStore or a small donation to @tbalden, he deserves it! Don´t forget to
switch to beta channel for those apps, as this is needed for device running A13!
Various Optimizations:
- update several drivers to use power efficient workingqueues (for example wlan
driver)
- f2fs: reduce timeout for uncongestion
- f2fs: Demote GC thread to idle scheduler class
- f2fs: set ioprio of GC kthread to idle
- tcp: enable advanced tcp, give user more options for tcp alorithm
- mm: vmstat: use power efficient workingqueues
Wakelock Blocker:
- advanced wakelock blocker with the ability to block kernel wakelocks
(dangerous, use with caution, please read this for further info). You should
only block kernel wakelocks in case you face uncontrollable scenarios, like
company wifi causing a wakelock to be active 100% of the time! Blocking kernel
wakelocks to "improve" battery life almost always backfires and causes issues!
Powerhint Module:
- restrict little cluster to 1,4ghz mid cluster to 1,4ghz and big cluster to
1,4ghz during screen off, to reduce battery usage for example during music
playback
- only use little cores during screen off/device suspend
- account for scheduler and other changes done to the kernel
- boost memory interface controller during interaction (decreased missed frames,
improved soc efficiency according to google docs)
- tie pelt multiplier into the powerhal (more info here)
- prevent frequency spikes caused by small transient tasks during idle operation
(more info here)
- boost scheduler using the pelt multiplier during fingerprint unlock operation
- setup and control PMU limiter via powerhal (more info here)
- switch between default and custom idle energy model on device is being
interacted with / device idle.
- reduce missed frames during scrolling/device interaction by adjusting uclamp
boosts
- dynamically adjust target load for memory interface during interaction.
- remove dynamic GPU policy change as it´s causing instability and is unneeded
due to GVFS period
- implement handling during video recording of CPU like Google did on QPR A13
- more small improvements
DOWNLOAD:
Downloads are attached to the release posts linked below in the changelog
section.
Please note that androidfilehost is currently not working properly.
Link to AFH:
Spoiler
Deprecated afh download, still here for old releases:
https://www.androidfilehost.com/?w=files&flid=336658
Changelog:
Android 13.0.0 Stable (not QPR beta!)
1.0.0 Initial Release | Mirror for Download in case AFH is not working
1.1.0
https://xdaforums.com/t/kernel-24-1...-pixel-7-pro-aka-pantah.4509795/post-87743627
1.2.0
https://xdaforums.com/t/kernel-18-1...-pixel-7-pro-aka-pantah.4509795/post-87822161
1.2.1
https://xdaforums.com/t/kernel-06-1...-pixel-7-pro-aka-pantah.4509795/post-87878321
1.2.2
https://xdaforums.com/t/kernel-19-1...-pixel-7-pro-aka-pantah.4509795/post-87944505
1.2.3
https://xdaforums.com/t/kernel-04-0...-pixel-7-pro-aka-pantah.4509795/post-87960183
1.2.4
https://xdaforums.com/t/kernel-07-0...-pixel-7-pro-aka-pantah.4509795/post-88108123
1.3.0
https://xdaforums.com/t/kernel-07-0...-pixel-7-pro-aka-pantah.4509795/post-88286027
Raviantah_1.0.0
https://xdaforums.com/t/kernel-14-0...-pixel-7-pro-aka-pantah.4509795/post-88316285
Raviantah_1.0.1
https://xdaforums.com/t/kernel-21-0...-pixel-7-pro-aka-pantah.4509795/post-88323527
Raviantah_1.0.2
https://xdaforums.com/t/kernel-23-0...-pixel-7-pro-aka-pantah.4509795/post-88399915
Raviantah_1.0.4
https://xdaforums.com/t/kernel-11-0...-pixel-7-pro-aka-pantah.4509795/post-88497279
Raviantah_1.1.0
https://xdaforums.com/t/kernel-04-0...-pixel-7-pro-aka-pantah.4509795/post-88645103
Raviantah_1.1.2
https://xdaforums.com/t/kernel-14-0...-pixel-7-pro-aka-pantah.4509795/post-88719667
Raviantah_1.1.3
https://xdaforums.com/t/kernel-06-0...-pixel-7-pro-aka-pantah.4509795/post-88847285
Raviantah_1.1.4
https://xdaforums.com/t/kernel-08-0...-pixel-7-pro-aka-pantah.4509795/post-88866285
Raviantah_1.1.5
https://xdaforums.com/t/kernel-12-0...-pixel-7-pro-aka-pantah.4509795/post-89038079
Raviantah_1.1.6
https://xdaforums.com/t/kernel-23-0...-pixel-7-pro-aka-pantah.4509795/post-89079103
Raviantah_2.0.0
https://xdaforums.com/t/kernel-03-1...-pixel-7-pro-aka-pantah.4509795/post-89085294
Raviantah_2.0.2
https://xdaforums.com/t/kernel-06-1...-pixel-7-pro-aka-pantah.4509795/post-89149195
Raviantah_2.1.0
https://xdaforums.com/t/kernel-08-1...-pixel-7-pro-aka-pantah.4509795/post-89205141
Requirements
- vbmeta flags for verity/verification disabled (this requires a wipe if you´re
coming from stock with those flags enabled), check the FAQ for information on
how to do this -> not required starting from Raviantah 2.0.0
- unlocked Bootloader
- USB-Debugging in developer options enabled
- latest adb and fastboot binaries
- working adb and fastboot environment so you can flash back to stock in case
something goes wrong
- working magisk environment (a device rooted with latest magisk, use stable in
case you want to be absolutely safe)
- IMPORTANT: Unrelated to the kernel, but update both slots of your phone to A13
before you flash anything to your device!
- it´s handy to have a backup and a way to return back to stock (check the faq
for that)
- make sure to download the correct kernel version for your firmware. (you can´t
flash a kernel made for stable firmware on a QPR beta or dev preview and expect
there to be no isses, the release posts mention which firmware the respective
kernel releases are compiled for)
- this kernel is tested on stock google firmware. If you want to use it on
custom roms you´re kind of on your own as I can´t account and give support for
any changes custom roms apply that could render the kernel incompatible. (e.g.
if you´re custom rom is still on the previous months update, there may be issues
flashing an updated kernel for the next month on top or custom roms requiring
specific kernel changes to work correctly )
- it´s always best to start on stock images and don´t have another custom kernel
flashed when flashing this kernel for the first time. consecutive flashes can
just be installed on top, if not I´ll mention it in the release post
- read the first and second post, there's a lot of valuable information
How to flash the Kernel:
1a. Make sure you tick all the requirements above
1b. Make sure to flash the release made for your firmware! Usually the release
post contains information on that
1. Download the kernel.zip (unified for both devices) and the correct powerhint
module depending on your device (Pixel 7 = panther || Pixel 7 Pro = cheetah,
starting from raviantah 2.0.0 the module is unified ) no longer necessary since
Raviantah 2.0.2
2. Flash the powerhint module via magisk manager as you would any other magisk
module! Make sure to flash the latest one. It will be mentioned in the release
post if there´s an update. No longer necessary since Raviantah 2.0.2
Make sure to remove all previous installed powerhint modules before flashing
Raviantah 2.0.2 and later
3. Flash the kernel.zip via EXKM, FKM or kernel flasher. Root will be preserved.
4. Reboot and profit.
Donations:
Donations are not mandatory but very welcome if you want to support development
or just buy me a coffee/tea/beer
If you like my work: http://paypal.me/freak07
Credits:
@osm0sis for all his work on AK3.
@tbalden for being the best HTC, Pixel, OnePlus and Asus wingman!
@capntrips for all his work on the pixels, avb, hashtree patcher, the counsel
and the kernel flasher!
@LeeDroid and @mwilky for their awesome roms and work I used on multiple
devices!
@Captain_Throwback for all the mentoring and guidance!
@Eliminater74 for bringing me into the game and the Inspiration
@nathanchance for his upstream guidance and assistance
@RenderBroken for helping me out
@flar2 for all his work
@joshuous for all the help he provided to me in the past!
@arter97 for giving me advice
@kdrag0n for his help and advices!
@topjohnwu for magisk and his entire work!
Source Code: https://github.com/freak07
Last edited: Dec 7, 2023
*
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Reactions: Slim2none4u, maddad99362, xdagee and 89 others
FREAK07
RECOGNIZED DEVELOPER / RECOGNIZED CONTRIBUTOR
Jan 2, 2011 6,419 22,890
* Oct 24, 2022
*
* #2
F.A.Q:
Question: How do I check the state of avb flags for verity/verification on my
phone?
Answer: Check @capntrips post here and get the magisk module for this from here.
After flashing the magisk module reboot your phone. You can now use the commands
from @capntrips post to check.
Question: How do I update my phone to a new monthly update if this kernel is
installed?
Answer: The easiest solution is to just use any full firmware package to update
your phone to the new stock firmware. You can do so with the android web flash
tool, a factory image or a full OTA image.
An excellent guide on how to use the factory image to do so was posted by
@roirraW "edor" ehT on this thread. Feel free to use this as a reference.
I also posted what I do each month to update my phone here.
This also serves as the easiest way to return back to stock, if you don´t like
the kernel and feel not comfortable flashing anything via fastboot.
Just remember to disable verity/verification vbmeta flags each time you update
your phone as described in the next question below.
If you boot once, without them disabled a wipe is required to disable them
again.
Question: How do I disable the vbmeta flags for verity/verification?
Answer: The easiest solution is to use the android web flash tool and tick the
correct checkbox.
Alternatively extract the vbmeta.img from the matching factory image and flash
it in fastboot via:
Code:
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
Please note that disabling those flags will require a full wipe for the device
to boot if coming from flags enabled state!
And a further note: You need to repeat this command every time you flash a full
firmware zip ( a factory image or a full OTA.zip) to update the firmware of your
phone as those contain a vbmeta image. Otherwise the flags will be reset to
default enabled and it will require another wipe to disable them again! As with
the firmware.zips, you need to tick the checkbox in the webflasher every month
you update your phone or flash a firmware there!
Question: How do I return back to stock?
Answer: Extract boot.img, dtbo.img, vendor_kernel_boot.img and vendor_dlkm.img
from the matching factory image provided on googles download page.
Before flashing those modules make sure to remove powerhint module called AK3
Helper Module via Magisk Manager!
Flash those images via fastboot/fastbootd and you will be back on stock kernel.
If you don't know the fastboot commands to flash the images, check the
instructions how to flash those images in post #4.
Starting from Raviantah 2.0.0 it´s only required to flash boot.img, dtbo.img and
vendor_kernel_boot.img from original firmware to return back to stock.
Alternatively dirty flash the whole firmware without wiping by using either the
android web flash tool, a factory image or a full OTA image. If you disabled the
vbmeta flags, don't forget to disable them again (or tick the correct options on
the web flash tool) after flashing a full firmware package and re-root.
Kernel flasher has the capability to backup those partitions as well, but if
your phone doesn´t boot, because you flashed a kernel for stable firmware on dev
preview that backup will not help you.
Question: Does this kernel include a mod similar to the well known KCAL
modification?
Answer: No it does not, as KCAL is tapping into a QCOM specific driver and
that´s not included in the tensor source as it´s based on exynos.
There´s a very powerful app called CF Lumen from @Chainfire, that serves the
same purpose and even includes far more options that were available from
kernelspace. Link to the thread here.
Question: How to report bugs properly?
Answer: Have a look at post #3 in the linked thread. The linked guide is a
pretty good starting point.
Before reporting any bug make sure you´re running on a supported firmware.
Usually I'm announcing in the release post, the firmware the kernel.zip is
compatible with, but most of the time the kernel is updated when a firmware
update drops.
Please make also sure you're running a stock configuration.
That´s means you´re not using any mods, tweaks in kernel managers or other root
tweaks , magisk modules, xposed/lsposed etc, scripts or other modifications that
alter various functions like sound mods, data traffic, sleeping behaviour,
scheduler, magical battery tweaks etc.
Try to describe the issue as detailed as possible! Give your exact setup, like
rom, magisk version, kernel version.
Is the issue reproducible? Does it happen frequently?
Please make sure to meet the points described above, provide logs as detailed in
the link above, otherwise debugging is a lot more time consuming and harder.
(kernel flashing apps usually support exporting logs of flashes too) If these
requirements aren´t met and I don´t find time to either reproduce the issue
myself or I´m not able to reproduce the issue myself, reports might just be
ignored. If you can already reproduce the issue and provide logs it greatly
limits the amount of time I have to spent until I figure out how to reproduce
it.
Question: What about unlocking, rooting, passing safetynet, apps detecting
root/modifications and other topics that are vaguely related, but not really
subject of this thread?
Answer: If you want to modify your phone via root/magisk in any way you need to
unlock the bootloader. Unlocking will result in safetynet not passing. This has
nothing to do with the kernel. At the moment of writing this, safetynet not
passing can be worked around with a magisk module called "Universal SafetyNet
Fix".
Not passing safetynet is unrelated to the kernel since hardware attestation is
enforced on nearly all newly released devices now.
If you´re not passing safetynet banking apps might for example be detecting
root. There are various tricks to hide root/modifications to the phone from
banking apps or others but that´s not really subject of this thread.
I recommend taking a look at this excellent collection of helpful threads from
@roirraW "edor" ehT!
It can be found following this link!
Question: I get a device corrupted message after flashing the kernel or just
reboot to bootloader. How to get rid of it?
Answer:
There seems to be an issue with verity on Pixel devices that can trigger
randomly. That means even if the expected hashes match the device refuses to
boot due to this bug.
Short answer, flash magisk patched init_boot.img via fastboot, afterwards flash
stock init_boot.img. That should clear this situation.
Last edited: Nov 8, 2023
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Reactions: Slim2none4u, wheelbarrel, Sek0n and 28 others
FREAK07
RECOGNIZED DEVELOPER / RECOGNIZED CONTRIBUTOR
Jan 2, 2011 6,419 22,890
* Oct 24, 2022
*
* #3
AOSP Build Environment and Standalone Kernel builds (monolithic builds)
I´m sure some of you followed the movement towards the Generic Kernel Image
(GKI) and Qcoms adaption to it called QGKI.
You can find more information about GKI following this link.
What does that mean for custom kernels and this custom kernel?
The last few years the kernel on android devices was more or less compiled as a
monolith. That means the kernel is in the zImage with all (most) drivers
compiled inline.
However with GKI this changed. There´s the base kernel image while vendor/device
specific drivers are compiled as dynamically loadable kernel modules.
On last years devices like the Pixel 5 (using a 4.19 kernel) and this years
devices with SD888 on a 5.4 kernel base, there was the possibility to change the
QGKI kernel back into a monolithic kernel image. (building the drivers that are
on stock kernel external modules back into the zImage to end with a monolithic
kernel)
On the Pixel 6 I wasn´t able to achieve this yet. Same goes for the Pixel 7. But
during my tries I also wondered if maybe finally the time has come to follow
suit, instead of trying to enforce old ways, when there´s a new way going
forward.
What does that mean. This means that at this point the kernel is shipped as
images that are to be flashed via fastboot. At a later stage I´m sure we can
modify anykernel3 to allow flashing zips again, but at this early stage fastboot
flashable images will be provided.
Those images can be flashed the same way the device is rooted, therefore I think
everybody should be able to flash it easily since the device can´t be rooted any
other way.
The kernel was compiled using the aosp kernel build environment. Information
about it can be found on the documentation page from google.
This kernel needs to be compiled in the aosp kernel build environment just like
the stock kernel. All necessary and modified repos are available on my github.
Otherwise please refer to the aosp build environment and the instructions there.
Last edited: Nov 18, 2022
*
*
Reactions: Slim2none4u, Sek0n, Homeboy76 and 17 others
FREAK07
RECOGNIZED DEVELOPER / RECOGNIZED CONTRIBUTOR
Jan 2, 2011 6,419 22,890
* Oct 24, 2022
*
* #4
Fastboot commands:
This serves just as a reference to restore the images via fastboot. This is not
to install the kernel.
Flash the images in this order:
Boot to bootloader:
Either select Reboot to bootloader option via magisk manager, use the button
combinations or run the following command while in the OS:
or type:
Code:
adb reboot bootloader
Now in fastboot flash boot.img, dtbo.img and vendor_kernel_boot.img
Commands:
Code:
fastboot flash boot boot.img
fastboot flash dtbo dtbo.img
fastboot flash vendor_kernel_boot vendor_kernel_boot.img
Now boot to fastbootd
Code:
fastboot reboot fastboot
Once in fastbootd:
Code:
fastboot flash vendor_dlkm vendor_dlkm.img
4. Reboot either via buttons
or by typing
Code:
fastboot reboot
5. Profit!
Last edited: Oct 24, 2022
*
*
Reactions: Slim2none4u, Jwtiyar, smurfmeat and 18 others
FREAK07
RECOGNIZED DEVELOPER / RECOGNIZED CONTRIBUTOR
Jan 2, 2011 6,419 22,890
* Oct 24, 2022
*
* #5
Prebuilts for custom roms.
ATTACHMENTS
* Kirisakura_Pantah_1.2.4.zip
688 MB · Views: 320
* Kirisakura_Pantah_1.3.0.zip
450.9 MB · Views: 217
* Kirisakura_Raviantah_1.0.1.zip
463.1 MB · Views: 78
* Kirisakura_Raviantah_1.0.2.zip
486.5 MB · Views: 97
* Kirisakura_Raviantah_1.0.4.zip
466.5 MB · Views: 93
* Kirisakura_Raviantah_1.1.3.zip
397.2 MB · Views: 61
Last edited: Feb 14, 2023
*
*
Reactions: Sek0n, Homeboy76, Lilien and 6 others
FREAK07
RECOGNIZED DEVELOPER / RECOGNIZED CONTRIBUTOR
Jan 2, 2011 6,419 22,890
* Oct 24, 2022
*
* #6
last one I promise
*
*
Reactions: Slim2none4u, Homeboy76, Lilien and 11 others
S
SAM2C
SENIOR MEMBER
Feb 8, 2012 285 113
* Oct 24, 2022
*
* #7
So glad to see you here
*
Reactions: i5lee8bit and Freak07
I5LEE8BIT
SENIOR MEMBER
Jul 18, 2006 480 1,047 escaped New Jersey 🙏🙌 youtube.com
* Oct 24, 2022
*
* #8
Woowoo, let's GOOOO
*
Reactions: Freak07
WRONGWAY213
RECOGNIZED DEV & CONTRIBUTOR / RETIRED FORUM MOD
Jul 27, 2014 5,115 8,924 35 Canton, OH Google Pixel 7
* Oct 24, 2022
*
* #9
Kiri is here! Thanks for this awesome kernel!
*
Reactions: Freak07
FREAK07
RECOGNIZED DEVELOPER / RECOGNIZED CONTRIBUTOR
Jan 2, 2011 6,419 22,890
* Oct 24, 2022
*
* #10
So unfortunately we´re at the moment out of ideas and options for the vbmeta
verity/verification disable requirement. @tbalden and me tried a few things and
failed with our final idea this morning, which worked on a similar device.
Maybe somebody finds a way so we can actually flash custom images with the
avb/vbmeta flags enabled, but at the moment not. I didn´t want to delay the
release any further so here we go.
I understand this is a pain for many, but unfortunately that´s how it is now. It
was a pain for me too, because on the final test, we really hoped it would work,
but we we´re trapped in the wipe ourselves.
Anyway, have fun everyone with the release. It basically includes everything
from the Pixel 6 kernel, as they branches are similar.
Last edited: Oct 24, 2022
*
*
Reactions: kkjb, swieder711, Deleted member 11872899 and 12 others
PHANTOMZWEI
SENIOR MEMBER
May 14, 2013 71 21 Harrisburg Google Pixel 7 Pro
* Oct 24, 2022
*
* #11
Well this is awesome. Haven't modified my phones since Pixel 4 but this is very
enticing
SWIEDER711
SENIOR MEMBER
Aug 31, 2011 1,766 622 Boston Amazon Fire HD 8 and HD 10 Google Pixel 3 XL
* Oct 24, 2022
*
* #12
This made me smile. Loved your kernel on the P6P. So glad to see it available
for my P7P.
QQ: Is High Brightness Mode (HBM) supported in this kernel?
Last edited: Oct 24, 2022
N
NEKROMANTIK
SENIOR MEMBER
Apr 1, 2010 7,037 1,029 London Google Pixel 7 Pro Google Pixel Watch
* Oct 24, 2022
*
* #13
nice to see you on here
I do hope its a firmware issue and next month update fixes issue and then
workaround you guys been testing for flashing without disabling verity and
verification works
*
*
Reactions: Mrcactuseater and swieder711
K
KY0SHIR0
SENIOR MEMBER
Aug 30, 2013 269 44
* Oct 24, 2022
*
* #14
@Freak07
Thank You very much for this kernel!
May I ask if this one from CleanSlate is included? How is this works?
VoLTE call properties patched in - no root/magisk needed for non supported
carriers/countries and VoLTE calls.
G
GHISY
SENIOR MEMBER
Mar 27, 2010 2,198 1,068 HTC Desire Google Nexus 4
* Oct 24, 2022
*
* #15
Duuuuude! This kernel sounds amazing. And the Powerhint module? WHAT?!
Probably moving to the 7 Pro this weekend so this is very welcome!
Thanks
Edit: I'm a little confused: should we flash the zip as usual through
EXKM/Kernel flasher or use the fastboot commands from post #4??
Because the OP also mentions the usual way of flashing...
Last edited: Oct 24, 2022
*
Reactions: Freak07 and i5lee8bit
RCZRIDER
SENIOR MEMBER
May 20, 2015 733 543 Markarth
* Oct 24, 2022
*
* #16
Very excited for the kernel, thanks for your hard work!
*
Reactions: Freak07
I5LEE8BIT
SENIOR MEMBER
Jul 18, 2006 480 1,047 escaped New Jersey 🙏🙌 youtube.com
* Oct 24, 2022
*
* #17
> Ghisy said:
> Duuuuude! This kernel sounds amazing. And the Powerhint module? WHAT?!
>
> Probably moving to the 7 Pro this weekend so this is very welcome!
>
> Thanks
>
> Edit: I'm a little confused: should we flash the zip as usual through
> EXKM/Kernel flasher or use the fastboot commands from post #4??
>
> Because the OP also mentions the usual way of flashing...
> Click to expand...
> Click to collapse
I think that was just a copy and paste from the older P6 thread (also now
deprecated for that device, from what I understand). Just use EXKM or Kernel
Flasher and you'll be good to go!
Edit: and the companion zip in Magisk Manager. Whoops. In other words, you don't
need to manually flash each image to install the kernel.
Last edited: Oct 24, 2022
*
Reactions: Freak07
R
RAV101
SENIOR MEMBER
Dec 1, 2013 2,416 1,404 Walsall Google Pixel 7 Pro Google Pixel 8 Pro
* Oct 24, 2022
*
* #18
> i5lee8bit said:
> I think that was just a copy and paste from the older P6 thread (also now
> deprecated for that device, from what I understand). Just use EXKM or Kernel
> Flasher and you'll be good to go!
> Click to expand...
> Click to collapse
Nope,
The powerhint module was never actually depreciated, on P6 he was able to have
it included in the kernel zip and it auto-installed into magisk at the same
time.
That isn't working here at the moment so you have to manually flash it yourself
again
*
Reactions: Hurt Copain, i5lee8bit and Freak07
G
GHISY
SENIOR MEMBER
Mar 27, 2010 2,198 1,068 HTC Desire Google Nexus 4
* Oct 24, 2022
*
* #19
> i5lee8bit said:
> I think that was just a copy and paste from the older P6 thread (also now
> deprecated for that device, from what I understand). Just use EXKM or Kernel
> Flasher and you'll be good to go!
> Click to expand...
> Click to collapse
Sorry, maybe I wasn't being clear: should I use quote #1 or #2 down there?
> Freak07 said:
> How to flash the Kernel:
> 1a. Make sure you tick all the requirements above
> 1. Download the kernel.zip (unified for both devices) and the correct
> powerhint module depending on your device (Pixel 7 = panther || Pixel 7 Pro =
> cheetah)
> 2. Flash the powerhint module via magisk manager as you would any other magisk
> module
> 3. Flash the kernel.zip via EXKM, FKM or kernel flasher. Root will be
> preserved.
> 4. Reboot and profit.
> Click to expand...
> Click to collapse
> Freak07 said:
> Fastboot commands:
>
>
> Flash the images in this order:
>
> Boot to bootloader:
> Either select Reboot to bootloader option via magisk manager, use the button
> combinations or run the following command while in the OS:
> or type:
>
> Code:
>
> adb reboot bootloader
>
>
> Now in fastboot flash boot.img, dtbo.img and vendor_kernel_boot.img
> Commands:
>
> Code:
>
> fastboot flash boot boot.img
> fastboot flash dtbo dtbo.img
> fastboot flash vendor_kernel_boot vendor_kernel_boot.img
>
>
> Now boot to fastbootd
>
> Code:
>
> fastboot reboot fastboot
>
>
> Once in fastbootd:
>
> Code:
>
> fastboot flash vendor_dlkm vendor_dlkm.img
>
> 4. Reboot either via buttons
> or by typing
>
> Code:
>
> fastboot reboot
>
> 5. Profit![/SPOILER]
> Click to expand...
> Click to collapse
*
*
Reactions: Mrcactuseater and Freak07
LUGHNASADH
SENIOR MEMBER
Mar 23, 2015 5,957 7,318 Google Nexus 5 Huawei Nexus 6P
* Oct 24, 2022
*
* #20
> Ghisy said:
> Sorry, maybe I wasn't being clear: should I use quote #1 or #2 down there?
> Click to expand...
> Click to collapse
The fastboot commands are for if or when you want to return to stock.
*
Reactions: Samuel Holland, i5lee8bit, roirraW "edor" ehT and 1 other person
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* 20
Freak07
no kernel changes in january source for this kernel.
Feel free to flash away 2.1.0
I wish a Happy New Year to everyone!
Jan 6, 2024 View
6
Freak07
no sources yet for january. previous kernel should still work fine as was
reported to me already.
Jan 4, 2024 View
6
S
Sek0n
Can confirm it still works on the Jan update.
Jan 4, 2024 View
2
G
Ghisy
> Freak07 said:
> no sources yet for january. previous kernel should still work fine as was
> reported to me already.
> Click to expand...
> Click to collapse
I can wait a few days for an updated kernel. No big deal!
Jan 4, 2024 View
2
Oswald Boelcke
> Acai1415 said:
> Mod edit - translated by https://translate.google.com/. Oswald Boelcke,
> Senior Moderator.
> My system version is UQ1A.240105.004. Can I flash the latest version 2.1?
> *********************
> 我的系统版本是UQ1A.240105.004。我可以刷最新版本2.1吗？
> Click to expand...
> Click to collapse
Hello and good morning, @Acai1415 Welcome to XDA! I hope you'll always get
the support you require and have enjoyable times on our platform.
However, as a one-time courtesy I've translated your above post. With
reference to rule no. 4 of the XDA Forum Rules, please post in English or add
at least an English translation to your Chinese posts.
Spoiler: Rule No. 4
4. Use the English language.
We understand that with all the different nationalities, not everyone speaks
English well, but please try. If you're really unable to post in English, use
an online translator. You're free to include your original message in your
own language, below the English translation. (This rule covers your posts,
profile entries and signature). You could try :-
https://translate.google.com/ , https://www.babelfish.com/ or
https://fanyi.baidu.com/#auto/en or use one of your choice.
Thanks for your cooperation.
Regards
Oswald Boelcke
Senior Moderator
Thursday at 5:07 AM View
* 92
Freak07
Kirisakura-Kernel for the Pixel 7/Pro
Hello everyone,
To keep it short: Here is Kirisakura - Kernel for the Google Pixel 7 Pro aka
Cheetah and the Pixel 7 aka Panther, together Pantah.
I would appreciate if everybody that flashes the kernel, reads at least once
through this opening post and the following ones.
The kernel aims to keep most of the subsystems updated, way ahead of the
stock kernel, thereby improving security, stability and performance!
This includes Linux-Stable, F2FS-Stable and kernel/common!
If that got you curious, have a read about linux-stable and why it is
important here. The stable-process is not the same for every subsystem, but
the general idea, rule of thumb and benefits are applicable for other
subsystems as well.
By merging linux-stable regularly we get most security updates months ahead
of the stock kernel and also before they even end up in the android security
bulletin.
The kernel includes a lot of improvements and contributions from other
developers as well. Without those contributtion this kernel would not exist
as it is.
A big part of improvements originate from @arter97´s, @kdrag0n´s and
@Sultanxda´s work. Many others contributed in some way or another to this
kernel.
A big thanks to all of them at this place!
Now lets continue with a list of features in the next paragraph!
Features:
Main Features:
- Based on latest A14 kernel sources from Google, Kernel is made for Android
14 Stable
- Linux-Stable-Upstream included to 5.10.197
- Compiled with prebuilt Google clang 17.0.4
- EEVDF scheduler patches
- lockless slab shrinker
- Backport entire RCU subsystem to latest linux
- Lazy RCU which should result in power-savings while the device is
lightly-loaded or idling, more information here
- Backport Maple tree from Linux 6.1
- improve preallocations from maple tree (affects especially android)
- reduce necessity to rewalk the maple tree
- Per VMA-locks in conjunction with Maple Tree RCU-Mode (improve app launch
time, this feature in general benefits greatly from lazy rcu!)
- further improve maple tree/per-vma locks introduced in an earlier release
- Dynamic Energy Models depending on device state
- make TEO-Cpuidle util-aware (improves latency, performance and decreases
energy consumption for certain workloads, more information here)
- introduce runnable boosting, wire it up with pixel_sched
- improve CPU throttling behaviour
- improvements to uclamp, prevent capacity inversion (reduce missed frames)
- greatly speed up camera launch time!
- merged kernel/common (improvements to android-common-kernel straight from
google)
- MM subsystem reworked (more info and some patchsets linked in this post)
- Multi-gen LRU backported/reworked and enabled (more info here, here as well
and here) to improve mm and reduce cpu cycles, latest V15 state (current
state disabled, as google remotely controls the prop)
- pelt multiplier tied into powerhal to speed up scheduler during interaction
(more info here)
- prevent frequency spikes caused by small transient tasks when the device is
idle(more info here)
- tie mechanism to prevent frequency spikes caused by small tasks also into
powerhal
- scheduler improvements for RT (realtime) tasks
- introduce and setup PMU limiter (prevents CPU from spiking to max when it
isn´t needed, based on PMU reads, more information here)
- improve camera performance by tuning the powerhal during recording
- bias tasks of rt, sf and ta groups to prefer high capacity cpus during app
launches, interactions
- improve app launches via powerhal
- restrict maximum CPU-Freqs during screen off/ idle to 1.4GHZ for all
clusters to save power
- introduce unfair f2fs rwsems to prevent writer starvation and improve IO
perf under heavy load
- fuse: give wakeup hints to scheduler to speed up compress/decompress in
internal storage (details)
- enable RCU_BOOST (details here), also fix RCU_BOOST behaviour
- F2FS-Stable updated
- merge and enable f2fs block_age-based extent cache (improve the accuracy
for data temperature classification, reduce the garbage collection overhead
after long-term data updates)
- TCP backports from mainline
- SSG IO scheduler for reduced overhead and less CPU cycles (more lightweight
and android optimized)
- scheduler backports from linux-main
- mm updates from linux-main
- locking updates frm linux-main
- improve memory performance by tweaking google´s eh zram implementation
- fix sysfs endpoint for googles eh zram
- affine IRQS to CPU 7 during camera usage for improved performance as it
tends to overload the little cores
- use bbr as default TCP congestion algorithm (fasted algo according to this
excellent research from @kdrag0n found here )
- include bbrv2 from google, more info here
- Enable support for TTL spoofing
- important patches from kernel/common for 5.10 (here are more details)
- increase priority of GPU work
- several updates from QPR beta, and a few from Pixel 6 that googles missed
to include in the pixel 7 kernel
- improve thermals
- change compaction proactiveness based on device state for improveed memory
management
- improve ZRAM usage
- reduce overhead
- improve performance and efficiency by properly wiring up pixel_sched with
teo util awareness (thanks @ada12 for spotting this!)
- update to cpuset/cgroup subsystem (speeds up camera launches, device
unlocks etc as cpusets are switched on those conditions, patches reduce
overhead in those conditions)
- flashing the kernel will preserve root
CleanSlate Features
- CleanSlate Features from @tbalden, big applause here! (s2s, notification
booster, battery saver, flashlight notifications. Please note: cleanslate
features that work otherwise with rooted devices like kadaway (adblocking)
are not implemented on this kernel since I´m running rooted)
- Check the CleanSlate thread for more information about those features
- The CleanSlate thread also contains the apps that allows you to control
those features!
- If you consider those features useful, maybe consider purchasing the apps
in the PlayStore or a small donation to @tbalden, he deserves it! Don´t
forget to switch to beta channel for those apps, as this is needed for device
running A13!
Various Optimizations:
- update several drivers to use power efficient workingqueues (for example
wlan driver)
- f2fs: reduce timeout for uncongestion
- f2fs: Demote GC thread to idle scheduler class
- f2fs: set ioprio of GC kthread to idle
- tcp: enable advanced tcp, give user more options for tcp alorithm
- mm: vmstat: use power efficient workingqueues
Wakelock Blocker:
- advanced wakelock blocker with the ability to block kernel wakelocks
(dangerous, use with caution, please read this for further info). You should
only block kernel wakelocks in case you face uncontrollable scenarios, like
company wifi causing a wakelock to be active 100% of the time! Blocking
kernel wakelocks to "improve" battery life almost always backfires and causes
issues!
Powerhint Module:
- restrict little cluster to 1,4ghz mid cluster to 1,4ghz and big cluster to
1,4ghz during screen off, to reduce battery usage for example during music
playback
- only use little cores during screen off/device suspend
- account for scheduler and other changes done to the kernel
- boost memory interface controller during interaction (decreased missed
frames, improved soc efficiency according to google docs)
- tie pelt multiplier into the powerhal (more info here)
- prevent frequency spikes caused by small transient tasks during idle
operation (more info here)
- boost scheduler using the pelt multiplier during fingerprint unlock
operation
- setup and control PMU limiter via powerhal (more info here)
- switch between default and custom idle energy model on device is being
interacted with / device idle.
- reduce missed frames during scrolling/device interaction by adjusting
uclamp boosts
- dynamically adjust target load for memory interface during interaction.
- remove dynamic GPU policy change as it´s causing instability and is
unneeded due to GVFS period
- implement handling during video recording of CPU like Google did on QPR A13
- more small improvements
DOWNLOAD:
Downloads are attached to the release posts linked below in the changelog
section.
Please note that androidfilehost is currently not working properly.
Link to AFH:
Spoiler
Deprecated afh download, still here for old releases:
https://www.androidfilehost.com/?w=files&flid=336658
Changelog:
Android 13.0.0 Stable (not QPR beta!)
1.0.0 Initial Release | Mirror for Download in case AFH is not working
1.1.0
https://xdaforums.com/t/kernel-24-1...-pixel-7-pro-aka-pantah.4509795/post-87743627
1.2.0
https://xdaforums.com/t/kernel-18-1...-pixel-7-pro-aka-pantah.4509795/post-87822161
1.2.1
https://xdaforums.com/t/kernel-06-1...-pixel-7-pro-aka-pantah.4509795/post-87878321
1.2.2
https://xdaforums.com/t/kernel-19-1...-pixel-7-pro-aka-pantah.4509795/post-87944505
1.2.3
https://xdaforums.com/t/kernel-04-0...-pixel-7-pro-aka-pantah.4509795/post-87960183
1.2.4
https://xdaforums.com/t/kernel-07-0...-pixel-7-pro-aka-pantah.4509795/post-88108123
1.3.0
https://xdaforums.com/t/kernel-07-0...-pixel-7-pro-aka-pantah.4509795/post-88286027
Raviantah_1.0.0
https://xdaforums.com/t/kernel-14-0...-pixel-7-pro-aka-pantah.4509795/post-88316285
Raviantah_1.0.1
https://xdaforums.com/t/kernel-21-0...-pixel-7-pro-aka-pantah.4509795/post-88323527
Raviantah_1.0.2
https://xdaforums.com/t/kernel-23-0...-pixel-7-pro-aka-pantah.4509795/post-88399915
Raviantah_1.0.4
https://xdaforums.com/t/kernel-11-0...-pixel-7-pro-aka-pantah.4509795/post-88497279
Raviantah_1.1.0
https://xdaforums.com/t/kernel-04-0...-pixel-7-pro-aka-pantah.4509795/post-88645103
Raviantah_1.1.2
https://xdaforums.com/t/kernel-14-0...-pixel-7-pro-aka-pantah.4509795/post-88719667
Raviantah_1.1.3
https://xdaforums.com/t/kernel-06-0...-pixel-7-pro-aka-pantah.4509795/post-88847285
Raviantah_1.1.4
https://xdaforums.com/t/kernel-08-0...-pixel-7-pro-aka-pantah.4509795/post-88866285
Raviantah_1.1.5
https://xdaforums.com/t/kernel-12-0...-pixel-7-pro-aka-pantah.4509795/post-89038079
Raviantah_1.1.6
https://xdaforums.com/t/kernel-23-0...-pixel-7-pro-aka-pantah.4509795/post-89079103
Raviantah_2.0.0
https://xdaforums.com/t/kernel-03-1...-pixel-7-pro-aka-pantah.4509795/post-89085294
Raviantah_2.0.2
https://xdaforums.com/t/kernel-06-1...-pixel-7-pro-aka-pantah.4509795/post-89149195
Raviantah_2.1.0
https://xdaforums.com/t/kernel-08-1...-pixel-7-pro-aka-pantah.4509795/post-89205141
Requirements
- vbmeta flags for verity/verification disabled (this requires a wipe if
you´re coming from stock with those flags enabled), check the FAQ for
information on how to do this -> not required starting from Raviantah 2.0.0
- unlocked Bootloader
- USB-Debugging in developer options enabled
- latest adb and fastboot binaries
- working adb and fastboot environment so you can flash back to stock in case
something goes wrong
- working magisk environment (a device rooted with latest magisk, use stable
in case you want to be absolutely safe)
- IMPORTANT: Unrelated to the kernel, but update both slots of your phone to
A13 before you flash anything to your device!
- it´s handy to have a backup and a way to return back to stock (check the
faq for that)
- make sure to download the correct kernel version for your firmware. (you
can´t flash a kernel made for stable firmware on a QPR beta or dev preview
and expect there to be no isses, the release posts mention which firmware the
respective kernel releases are compiled for)
- this kernel is tested on stock google firmware. If you want to use it on
custom roms you´re kind of on your own as I can´t account and give support
for any changes custom roms apply that could render the kernel incompatible.
(e.g. if you´re custom rom is still on the previous months update, there may
be issues flashing an updated kernel for the next month on top or custom roms
requiring specific kernel changes to work correctly )
- it´s always best to start on stock images and don´t have another custom
kernel flashed when flashing this kernel for the first time. consecutive
flashes can just be installed on top, if not I´ll mention it in the release
post
- read the first and second post, there's a lot of valuable information
How to flash the Kernel:
1a. Make sure you tick all the requirements above
1b. Make sure to flash the release made for your firmware! Usually the
release post contains information on that
1. Download the kernel.zip (unified for both devices) and the correct
powerhint module depending on your device (Pixel 7 = panther || Pixel 7 Pro =
cheetah, starting from raviantah 2.0.0 the module is unified ) no longer
necessary since Raviantah 2.0.2
2. Flash the powerhint module via magisk manager as you would any other
magisk module! Make sure to flash the latest one. It will be mentioned in the
release post if there´s an update. No longer necessary since Raviantah 2.0.2
Make sure to remove all previous installed powerhint modules before flashing
Raviantah 2.0.2 and later
3. Flash the kernel.zip via EXKM, FKM or kernel flasher. Root will be
preserved.
4. Reboot and profit.
Donations:
Donations are not mandatory but very welcome if you want to support
development or just buy me a coffee/tea/beer
If you like my work: http://paypal.me/freak07
Credits:
@osm0sis for all his work on AK3.
@tbalden for being the best HTC, Pixel, OnePlus and Asus wingman!
@capntrips for all his work on the pixels, avb, hashtree patcher, the counsel
and the kernel flasher!
@LeeDroid and @mwilky for their awesome roms and work I used on multiple
devices!
@Captain_Throwback for all the mentoring and guidance!
@Eliminater74 for bringing me into the game and the Inspiration
@nathanchance for his upstream guidance and assistance
@RenderBroken for helping me out
@flar2 for all his work
@joshuous for all the help he provided to me in the past!
@arter97 for giving me advice
@kdrag0n for his help and advices!
@topjohnwu for magisk and his entire work!
Source Code: https://github.com/freak07
Oct 24, 2022 View
51
Freak07
Update to 1.2.4
Hey guys and girls,
So here´s the next release. February source did basically not contain
anything new for this kernel (as all patches were already included since
months due to merging linux-stable and kernel/common in advance) except a
stability and a security fix for the GPU driver (which is vendor specific so
of course not impacted by linux-stable etc).
Nonetheless this is a very big release with large underlying changes.
Short explanation follows below.
Please note that this release is not for the QPR Beta firmware, but the
stable android 13 firmware!
Make sure to update/flash the new powerhint module attached to this post via
magisk manager as it´s been updated!
Maple Tree / Per VMA-locks via Maple Tree in RCU-Mode
Linux 6.1 finally merged the Maple Tree patchset. I had my eyes on that
patchset for quite a while now. I backported it a few months ago (back in
november iirc) but at that time I still ran into a few problems with it so it
never made it into a release on XDA.
However after discovering work done on per vma-locks, which builds directly
on the benefits that maple-tree provides interest was sparked again. Decided
to pull it in again and fix the remaining issues.
If you´re interested in details read the linked topics.
Basically those patches reduce app launch time as well as lock contention.
Additionally per vma-locks directly utilizes lazy-rcu, which was backported
in 1.1.0. Usually I´m very hesitant when it comes to kernel changes actually
translating to real world power consumption improvements, but lazy-rcu is one
of the few patchsets that translate to a small improvement for everyone
regardless of the usage.
So the new per VMA-lock patchset directly benefits from the previous backport
of lazy-rcu.
App launch times in ms for cold launching slack app with and without the
Per-VMA lock patchset:
F2FS block_age-based extent cache
Latest f2fs-stable update contained an interesting new feature called
block_age-based extent cache. It´s another optimization done in hindsight to
android needs. It´s always nice to see different OEMs (in this regards
xiaomi) cooperating and improving android as a whole and not just keep those
patches to themselves. Since it´s pushed to f2fs-stable it will sooner or
later (probably rather later as trickling through until it ends up on actual
production devices always takes a lot of time) find its way to the majority
of android devices.
The features allows to record data block update frequency of the extent per
inode, in order to provide better temperature hints for data block allocation
thereby improving the accuracy for data temperature classification and
reducing the garbage collection overhead after long-term data updates.
Memory Interface Controller Boosting
Boost Memory Interface Controller slightly to a fixed min_freq value during
interaction, instead of relying solely on the governor taking the decision as
it doesn´t ramp up fast enough during interaction in some cases.
Research of exynos/tensor characteristic shows that the SOC does not perform
optimally when cpu freqs ramp up quickly (during interaction, scrolling,
touch the screen) and memory interface controller not following suite quite
fast enough. This makes the soc overall perform less efficient. The boost
aims to correct this behavior.
The boost also results in a tiny few less missed frames during interaction as
a bonus.
There are other small improvements as well. Please check my github for those.
The kernel is made for stable A13 firmware, not beta.
I wish everyone a nice day.
Changelog:
- Linux-Stable bumped to 5.10.167
- Backport Maple tree from Linux 6.1
- Per VMA-locks in conjunction with Maple Tree RCU-Mode (this benefits
greatly from lazy rcu!)
- bump f2fs to latest f2f2 stable state
- merge and enable f2fs block_age-based extent cache (improve the accuracy
for data temperature classification, reduce the garbage collection overhead
after long-term data updates)
- improvements to the scheduler from QPR2 Beta 2 and Beta 3
- improvements to memory management from QPR2 Beta 2
- improve ZRAM usage
- boost memory interface controller during interaction (decreased missed
frames, improved soc efficiency according to google docs)
- import security fixes and performance improvments to camera driver from
QPR2 Beta
- fixes/improvements to to memory management
- security fixes/ improvements from kernel/common
- other fixes please check github
Download:
Attached to release post as AFH is currently down.
Make sure to update and keep the powerhint module installed via Magisk
Manager!
If you´re coming from another kernel restore stock boot.img, dtbo.img,
vendor_kernel_boot.img and vendor_dlkm.img before flashing. Thank you.
Make sure to meet the requirements and read the OP as well as the FAQ before
flashing.
I wish everybody a great day/evening!
Have fun, enjoy the kernel and your phone.
If you like my work please consider a donation.
Donations are not mandatory but very welcome.
If you like my work and want to buy me a coffee/green tea:
http://paypal.me/freak07
Feb 7, 2023 View
49
Freak07
Update to 1.2.1
Hey guys and girls,
So here´s the next release. As already hinted it includes some of the kernel
changes from the QPR2 Beta. Please note the kernel is made for the stable
firmware! You need to be on December stable firmware release to be able to
install and run this kernel properly!
Make sure to flash both, the kernel.zip and the powerhint magisk module as
both are updated.
Google did some significant updates in that latest qpr2 update, which is
great to see.
The GPU driver is now based on version r38p1. This fixes several
vulnerabilities that made the news recently.
AOC driver and WiFi driver were also updated and most of those improvements
ended up in this kernel release as well.
There were several improvements to memory management done by google, which
should result in improved efficiency, improved reclaim and also reduced jank.
There are a few other nice patches that should improve performance and
generally improve system responsiveness. For specifics please check those on
github.
Scheduler patches from linux-main are also included.
The lazy rcu patchset was updated to the latest state that was also recently
merged into the linux kernel. (more info about lazy rcu check here)
Kernel is now compiled with latest 16.0.2 prebuilt Clang from Google.
There are other small improvements as well. Please check my github for those.
I wish everyone a nice day.
Changelog:
- Linux-Stable bumped to 5.10.159
- Bump prebuilt clang to latest 16.0.2 from Google
- include most of the QPR2 improvements so we can enjoy them ahead of time
- fixes/improvements to to memory management
- import all improvments from google QPR2 to powerhint module
- other fixes please check github
Download:
Attached to release post as AFH is currently down.
I´ll push to AFH once it´s back up.
https://www.androidfilehost.com/?w=files&flid=336658
Make sure to update the powerhint module via Magisk Manager!
If you´re coming from another kernel restore stock boot.img, dtbo.img,
vendor_kernel_boot.img and vendor_dlkm.img before flashing. Thank you.
Make sure to meet the requirements and read the OP as well as the FAQ before
flashing.
I wish everybody a great day/evening!
Have fun, enjoy the kernel and your phone.
If you like my work please consider a donation.
Donations are not mandatory but very welcome.
If you like my work and want to buy me a coffee/green tea:
http://paypal.me/freak07
Dec 19, 2022 View
43
Freak07
Update to Raviantha 1.0.4
Hey guys and girls,
So here´s the next release for stable May firmware! (although technically it
should still work on April as there were no changes that weren´t already
present.)
This release is not including the bigger changes I was alluding to during my
last post in this thread, but it still includes some big improvements that
warrant a new release.
More information below.
Important:
Make sure to flash the powerhint module attached to this post via magisk
manager if you haven´t already done so.
Please note that this release is not for the QPR Beta firmware or dev
preview, but the stable android 13 firmware!
Please make use magisk stable if you don´t know your way around bugs and
don´t want to actively help debugging magisk development.
You should download magisk stable only from official magisk release site!
Latest platform tools have issues flashing super.img, please use platform
tools 33.0.3 when updating your firmware
There are other small improvements as well. Please check my github for those.
The kernel is made for stable A13 firmware, not beta.
I wish everyone a nice day.
Changelog:
- Linux-Stable bumped to 5.10.179
- bump clang to 17.0.1 stable
- bump f2fs-stable to latest
- loads of improvements, bugfixes etc to memory management from latest linux
main
- improvements to memory management from 6.1 kernel common
- improvements to MGLRU (check first post for more info about MGLRU)
- updates/improvements to RCU from latest linux main
- updates to lazy RCU from latest linux main
- fixed screen-off max cpufreq restriction (thanks to @elesbb for making me
aware)
- other fixes please check github
Download:
Attached to release post as AFH is currently down.
Make sure to update and keep the powerhint module installed via Magisk
Manager!
If you´re coming from another kernel restore stock boot.img, dtbo.img,
vendor_kernel_boot.img and vendor_dlkm.img before flashing. Thank you.
Make sure to meet the requirements and read the OP as well as the FAQ before
flashing.
I wish everybody a great day/evening!
Have fun, enjoy the kernel and your phone.
If you like my work please consider a donation.
Donations are not mandatory but very welcome.
If you like my work and want to buy me a coffee/green tea:
http://paypal.me/freak07
May 4, 2023 View
42
Freak07
Update to Raviantha 2.0.0
Hey guys and girls,
So here´s the next update. It´s for stable Android 14 and it´s a really big
update. It contains a lot of the changes I worked on during the previous
months and I finally feel they are ready to be pushed.
I´m short on time so here´s a brief writeup on the changes introduced.
EEVDF scheduler patches from latest linux are included. Have a read here. You
can find more details here and also here. Alternatively use Google, there are
a lot of resources.
I tested this for a few months now. Since it´s merged to linux, it will be
properly updated and tested for regressions in case there are any. That was
what finally pushed me over the edge.
The powerhint module was reworked. This results in less energy usage for
various scenarious, scrolling in apps, watching videos, most games. (thereby
also improves thermals within the boundaries of what's achievable on
tensor/exynos ) This was achieved by "abusing" the PMU limiting feature from
Google and expanding it with a switch that makes it work the opposite. The
powerhint module was adjusted for all recent scheduler changes, such as EEVDF
patches, scheduler updates from linux and the latest ones from 14 QPR Beta.
Lockless slab shrinker was backported as well.
There are a lot of other changes and patchsets for various subsystems, that
should be mentioned as well, but I simply lack the time. For RCU, Maple tree,
per-VMA locks etc etc.
You can find them on the changelog and on my git if you´re interested.
Thanks to @Sultanxda this kernel is now build in a monolithic fashion. That
means all drivers are compiled into the zImage. This means no more modules
and vendor_dlkm does not need to be modified any longer, which in return
means users won´t have to disable the avb flags for veritiy/verification any
longer to be able to boot the kernel.
However there´s something I want to keep everyone in mind. If you currently
run with the flags disabled you might want to keep them disabled just like
you did over the last months while updating. There´s the slight chance that
kernel changes introduced by google in the future, changes to partition
layout or undiscovered bugs will screw the monolithic build up. I tested it
as best as I could and didn´t find any issues, but that´s just an advice I
want to put out.
There are loads of other changes as well, but I don´t have enough time for a
more detailed writeup.
Please make sure to delete the old module powerhint from magisk manager
before flashing the new one.
Important:
Make sure to flash the powerhint module attached to this post via magisk
manager if you haven´t already done so.
Please note that this release is not for the QPR Beta firmware or dev
preview, but the stable android 14 firmware!
Please make use magisk stable if you don´t know your way around bugs and
don´t want to actively help debugging magisk development.
You should download magisk stable only from official magisk release site!
There are other small improvements as well. Please check my github for those.
The kernel is made for stable A14 firmware, not beta.
I wish everyone a nice day.
Changelog:
- Update kernel to Android 14
- Retain all previous features and updates
- Bump prebuilt clang to 17.0.4
- Linux-Stable 5.10.197
- EEVDF scheduler patches from latest linux-kernel
- kernel is build in a monolithic fashion, thanks to @Sultanxda
- latest f2fs-stable patches
- lockless shrinkers
- loads of improvements from latest linux to mm subsystem
- latest updates/fixes to maple tree
- scheduler improvements from latest linux
- scheduler improvements from QPR 14 beta
- improvements/fixes to RCU subsystem
- improvements to QoS from @Sultanxda
- improved IRQ balancing, thanks to @Sultanxda
- improvements to GPU driver performance from QPR beta
- lockless slab shrinker
- unify powerhint module for panther and cheetah (please delete the old
powerhint module before flashing the new one)
- rework powerhint module to account for all changes
- rework powerhint module to reduce energy usage
- more changes please look at my github
Download:
Attached to release post as AFH is currently down.
Delete the old powerhint module in Magisk Manager before flashing the new one
as the Module ID changes!
If you´re coming from another kernel restore stock boot.img, dtbo.img,
vendor_kernel_boot.img and vendor_dlkm.img before flashing. Thank you.
Make sure to meet the requirements and read the OP as well as the FAQ before
flashing.
I wish everybody a great day/evening!
Have fun, enjoy the kernel and your phone.
If you like my work please consider a donation.
Donations are not mandatory but very welcome.
If you like my work and want to buy me a coffee/green tea:
http://paypal.me/freak07
Oct 6, 2023 View
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