diff options
Diffstat (limited to 'nixpkgs/pkgs/os-specific/linux/kernel/zen-kernels.nix')
| -rw-r--r-- | nixpkgs/pkgs/os-specific/linux/kernel/zen-kernels.nix | 85 |
1 files changed, 78 insertions, 7 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/kernel/zen-kernels.nix b/nixpkgs/pkgs/os-specific/linux/kernel/zen-kernels.nix index 2e0a9cfd8c46..7c32a5dae5c4 100644 --- a/nixpkgs/pkgs/os-specific/linux/kernel/zen-kernels.nix +++ b/nixpkgs/pkgs/os-specific/linux/kernel/zen-kernels.nix @@ -1,19 +1,19 @@ -{ lib, fetchFromGitHub, buildLinux, ... } @ args: +{ lib, stdenv, fetchFromGitHub, buildLinux, ... } @ args: let # comments with variant added for update script # ./update-zen.py zen zenVariant = { - version = "6.3.4"; #zen + version = "6.4.7"; #zen suffix = "zen1"; #zen - sha256 = "1dj5pk8fqf4plk5nri6cajwvdcs9b6gpfk1y620vi3g7w15p1gvx"; #zen + sha256 = "1xxznqkgn17sh134c4szjhk8im342zh7z6200k3csnqd9fink2r7"; #zen isLqx = false; }; # ./update-zen.py lqx lqxVariant = { - version = "6.3.4"; #lqx + version = "6.4.7"; #lqx suffix = "lqx1"; #lqx - sha256 = "06xkcrd4wjpj23dnrfbyxyx1699vxzswb3r6p2xjwmpy44j5wjgf"; #lqx + sha256 = "055l8l83368858ap1pslxcs76hkms8ik627v7d7wczm9f1vldbln"; #lqx isLqx = true; }; zenKernelsFor = { version, suffix, sha256, isLqx }: buildLinux (args // { @@ -28,13 +28,84 @@ let 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 BBRv2 TCP congestion Control + TCP_CONG_BBR2 = yes; + DEFAULT_BBR2 = yes; + DEFAULT_TCP_CONG = freeform "bbr2"; + + # 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; [ ]; + maintainers = with lib.maintainers; [ thiagokokada ]; 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)"; + lib.optionalString isLqx " (Same as linux_zen, but less aggressive release schedule and additional extra config)"; + broken = stdenv.isAarch64; }; } // (args.argsOverride or { })); |