I've searched in the fe mod group that's linked in the OP here but I can't find the zip and the group is mainly GSI based.
[KERNEL][Snapdragon][4G/5G] PrimeKernel
- Thread starter pascua28
- Start date
There is a telegram group called "S20 FE (Snapdragon) Prime Kernel".
I can't remember how I joined this group. And I cannot provide any link to this group.
Edit:
I think, I found the link to the Prime Kernel Telegram group inside this group: https://t.me/S20FeModding
I can't remember how I joined this group. And I cannot provide any link to this group.
Edit:
I think, I found the link to the Prime Kernel Telegram group inside this group: https://t.me/S20FeModding
Hi,
I was trying to build the Samsung open source kernel but it requires Snapdragons LLVM 10.0 compiler which I am not able to download. So I am trying to build the Prime Kernel. I downloaded the LLVM 13.0 kernel but I cannot seem to build it either. Can some one help with more details on kernel build ?
Thanks
I was trying to build the Samsung open source kernel but it requires Snapdragons LLVM 10.0 compiler which I am not able to download. So I am trying to build the Prime Kernel. I downloaded the LLVM 13.0 kernel but I cannot seem to build it either. Can some one help with more details on kernel build ?
Thanks
Sam's telegram group... where newer version will be posted for snap variants
S20 FE (Snapdragon) Prime Kernel
S20 FE (Snapdragon) Prime Kernel
snapdragon teaks
Senior Member
ZFGFade
Senior Member
How does this kernel compare to stock? In terms of battery, ram and cpu/gpu performance. For anyone that's done detailed testing how much better than stock is this kernel?
Hi is zip archyve in https://github.com/pascua28/android_kernel_samsung_sm8250/releases is for 5G or 4G version?
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10Details:
Code:#include <std_disclaimer.h> /* * Your warranty is now void. * * I am not responsible for bricked devices, dead SD cards, * thermonuclear war, or you getting fired because the alarm app failed. Please * do some research if you have any concerns about features included in this ROM/Kernel * before flashing it! YOU are choosing to make these modifications, and if * you point the finger at me for messing up your device, I will laugh at you. */
- Based on latest Samsung open source drop
- Compiled with
the Clang 12 + full LTOGCC 12.2
- Assuming you have a custom recovery installed, simply download and flash the kernel zip. This kernel uses Anykernel 3 so no need to reflash magisk(if you use magisk) after installing it.
Kernel source code:
Did you like my work? Any support is much appreciated!
Patreon
Buy me a coffee!
Other ways to support me
Downloads:
10Changelog:
v6.1 (December 31, 2022)
- Fixed missed memory management code warnings due to recent changes in v6.0
- Fixed coding warnings for better code quality
- Enabled zero initialization for stack variables for better security and stability
- Compiled with latest GCC 12.2.1
v6.0 (December 26, 2022)
- Reverted more of CAF's memory management changes
- Disabled memcg to allow lmkd to use the more efficient PSI (pressure stall information)
- Disabled per-cgroup pressure tracking to reduce overhead
- Disabled lots of debugging from the wlan driver
- Disabled lots of logging spam
- Disabled hardened usercopy to reduce memory overhead
- Fixed incorrectly affined cpus for kgsl. This bug has been present since PrimeKernel v2.0 due to a coding mistake
- Updated source base to latest Android 13 kernel source (G781BXXU4GVK6)
v5.2 (December 4, 2022)
- Speed up pm_qos
- Imported some optimized libs
- Killed lots of logging
- Reverted CAF's messed up memory management changes
- Disabled process reclaim
- Fixed memory safety issues for various MSM drivers for better stability and security
- Disabled lots of debugging and logging from qcacld driver (this resulted in several hundred kilobytes shaved off from the kernel binary size)
v5.1-beta (November 16, 2022)
- Rewrote ashmem for clarity and performance
- Imported several optimized libraries
- Converted cpumasks to atomic to reduce expensive operations
- Selectively applied compiler optimizations to some parts of the kernel
- Use kmem_cache for some drivers to reduce (de)-/allocation
- Disabled some security suits
- Disabled SCHED_DEBUG
- Re-added MGLRU
- Compiled with GCC 12.2 with LTO enabled
Note:
If you want to squeeze a bit more performance, just rename this zip file and add-perf.
Perf variant has fewer CPU frequencies for better performance
v5.0 (November 11, 2022)
- More stability fixes
- Lots of under-the-hood optimizations
- Fixed Google Play System update not working
- Fixed some random reboots
- Added 150MHz GPU freq
- Overall code quality fixes
- Compiled with latest GCC 12.2
v4.1 (October 21, 2022)
- More stability fixes
- Optimizations on GPU and iommu drivers
- Compiled with Clang 12 ThinLTO
v4.0 (October 6, 2022)
- Based on G781BXXS4FVF3
- Compiled with clang full LTO for better performance
- Compiled with O3
- Added MGLRU for better memory management and performance
- Code quality fixes for better stability
- Added optimized libraries for better performance
- Added kcal color control
- Removed additional logging and debugging
v3.1 (June 7, 2022)
- Based on G781BXXS4FVD9
- Reverted Linux upstream since I can't thoroughly test this kernel and for better stability
- Compiled with latest clang from clearlinux (Clang 13)
- Removed dynamic allocation from several subsystems to speed them up
- Removed more logging and debugging from several drivers on their hot code paths
- Micro-optimizations for scheduler and workqueues
- Sped-up pm qos by using atomic operations
- Tweaked cpusets for better battery life and thermals
- Improved audio driver a bit
- Affined GPU and display IRQs to big cluster for better performance
- Used optimized energy model and cpu frequencies
- Undervolted GPU a bit
- Code quality fixes for better overall stability
- Compiled with O3 optimization
- More under-the-hood optimizations
v2.0 (December 16, 2021)
- Upstreamed to Linux 4.19.219
- Converted some subsystems to use power efficient workqueues
- Removed logging from various drivers
- Removed F2FS additional tracings
v2.0-rc1 (December 1, 2021)
- Display driver optimizations
- Used BBR as default TCP congestion algorithm
- Enabled BPF_JIT to improve network performance
- Implemented optimized spinning loop
- Updated to G780GXXU3AUI3 source drop
- Speed up mremap
- Removed msm_performance CPU boosting
- Implemented optimized PM QoS for UFS
- Changed zRAM compression algorithm to lz4
- Disabled EAS_PREFER_IDLE for better power efficiency
v1.0 (Nov. 8, 2021)
- Based on Samsung G780GXXU3AUH5 source drop
- Disabled knox and Samsung security stuffs
- Changed timer tick to 100Hz for better throughput and power consumption
- Optimized GPU wakeup
- Removed use of dynamic allocation from several subsystems
- Disabled binder debugging
- Optimized UFS irq handling
- Updated lz4 compression used by zswap
- Disabled input booster
