mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-14 01:33:10 +00:00
117 lines
3.8 KiB
Nix
117 lines
3.8 KiB
Nix
{ lib, stdenv, fetchFromGitHub, buildLinux, ... } @ args:
|
|
|
|
let
|
|
# comments with variant added for update script
|
|
# ./update-zen.py zen
|
|
zenVariant = {
|
|
version = "6.6"; #zen
|
|
suffix = "zen1"; #zen
|
|
sha256 = "0rda54h5lg2llbwkj2h4mqfshjyha1dzlcwhx099is7g2lfzksxx"; #zen
|
|
isLqx = false;
|
|
};
|
|
# ./update-zen.py lqx
|
|
lqxVariant = {
|
|
version = "6.5.9"; #lqx
|
|
suffix = "lqx2"; #lqx
|
|
sha256 = "12l6z4bgrx5pf4fpcqsnzascr7f43cg1vwpayhgcwd7zimlbz1mg"; #lqx
|
|
isLqx = true;
|
|
};
|
|
zenKernelsFor = { version, suffix, sha256, isLqx }: buildLinux (args // {
|
|
inherit version;
|
|
modDirVersion = lib.versions.pad 3 "${version}-${suffix}";
|
|
isZen = true;
|
|
|
|
src = fetchFromGitHub {
|
|
owner = "zen-kernel";
|
|
repo = "zen-kernel";
|
|
rev = "v${version}-${suffix}";
|
|
inherit sha256;
|
|
};
|
|
|
|
# This is based on the following sources:
|
|
# - zen: https://gitlab.archlinux.org/archlinux/packaging/packages/linux-zen/-/blob/main/config
|
|
# - lqx: https://github.com/damentz/liquorix-package/blob/6.4/master/linux-liquorix/debian/config/kernelarch-x86/config-arch-64
|
|
# - Liquorix features: https://liquorix.net/
|
|
# The list below is not exhaustive, so the kernels probably doesn't match
|
|
# the upstream, but should bring most of the improvements that will be
|
|
# expected by users
|
|
structuredExtraConfig = with lib.kernel; {
|
|
# Zen Interactive tuning
|
|
ZEN_INTERACTIVE = yes;
|
|
|
|
# FQ-Codel Packet Scheduling
|
|
NET_SCH_DEFAULT = yes;
|
|
DEFAULT_FQ_CODEL = yes;
|
|
DEFAULT_NET_SCH = freeform "fq_codel";
|
|
|
|
# Preempt (low-latency)
|
|
PREEMPT = lib.mkOverride 60 yes;
|
|
PREEMPT_VOLUNTARY = lib.mkOverride 60 no;
|
|
|
|
# Preemptible tree-based hierarchical RCU
|
|
TREE_RCU = yes;
|
|
PREEMPT_RCU = yes;
|
|
RCU_EXPERT = yes;
|
|
TREE_SRCU = yes;
|
|
TASKS_RCU_GENERIC = yes;
|
|
TASKS_RCU = yes;
|
|
TASKS_RUDE_RCU = yes;
|
|
TASKS_TRACE_RCU = yes;
|
|
RCU_STALL_COMMON = yes;
|
|
RCU_NEED_SEGCBLIST = yes;
|
|
RCU_FANOUT = freeform "64";
|
|
RCU_FANOUT_LEAF = freeform "16";
|
|
RCU_BOOST = yes;
|
|
RCU_BOOST_DELAY = freeform "500";
|
|
RCU_NOCB_CPU = yes;
|
|
RCU_LAZY = yes;
|
|
|
|
# Futex WAIT_MULTIPLE implementation for Wine / Proton Fsync.
|
|
FUTEX = yes;
|
|
FUTEX_PI = yes;
|
|
|
|
# Preemptive Full Tickless Kernel at 1000Hz
|
|
HZ = freeform "1000";
|
|
HZ_1000 = yes;
|
|
} // lib.optionalAttrs (isLqx) {
|
|
# Google's BBRv3 TCP congestion Control
|
|
TCP_CONG_BBR = yes;
|
|
DEFAULT_BBR = yes;
|
|
DEFAULT_TCP_CONG = freeform "bbr";
|
|
|
|
# PDS Process Scheduler
|
|
SCHED_ALT = yes;
|
|
SCHED_PDS = yes;
|
|
|
|
# Swap storage is compressed with LZ4 using zswap
|
|
ZSWAP_COMPRESSOR_DEFAULT_LZ4 = yes;
|
|
ZSWAP_COMPRESSOR_DEFAULT = freeform "lz4";
|
|
|
|
# Fix error: unused option: XXX.
|
|
CFS_BANDWIDTH = lib.mkForce (option no);
|
|
PSI = lib.mkForce (option no);
|
|
RT_GROUP_SCHED = lib.mkForce (option no);
|
|
SCHED_AUTOGROUP = lib.mkForce (option no);
|
|
SCHED_CORE = lib.mkForce (option no);
|
|
|
|
# ERROR: modpost: "sched_numa_hop_mask" [drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko] undefined!
|
|
MLX5_CORE = no;
|
|
};
|
|
|
|
passthru.updateScript = [ ./update-zen.py (if isLqx then "lqx" else "zen") ];
|
|
|
|
extraMeta = {
|
|
branch = lib.versions.majorMinor version + "/master";
|
|
maintainers = with lib.maintainers; [ thiagokokada jerrysm64 ];
|
|
description = "Built using the best configuration and kernel sources for desktop, multimedia, and gaming workloads." +
|
|
lib.optionalString isLqx " (Same as linux_zen, but less aggressive release schedule and additional extra config)";
|
|
broken = stdenv.isAarch64;
|
|
};
|
|
|
|
} // (args.argsOverride or { }));
|
|
in
|
|
{
|
|
zen = zenKernelsFor zenVariant;
|
|
lqx = zenKernelsFor lqxVariant;
|
|
}
|