Tweaked nix build parameters

flake.lock

@@ -55,6 +55,38 @@
         "url": "https://codeberg.org/LGFae/awww"
       }
     },
+    "cachyos-kernel": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1773637879,
+        "narHash": "sha256-hFKu2SaRoqt6+zbmcFW6A0AbBENIX8XooJLXQWa3sLc=",
+        "owner": "CachyOS",
+        "repo": "linux-cachyos",
+        "rev": "fa09a5bc69d3e7feeed9b1402c7df06c8170402a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CachyOS",
+        "repo": "linux-cachyos",
+        "type": "github"
+      }
+    },
+    "cachyos-kernel-patches": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1773635524,
+        "narHash": "sha256-JErpxWTdoHq4JuDerfsbPA60FmWOxK4oX9UL9CcsP/Q=",
+        "owner": "CachyOS",
+        "repo": "kernel-patches",
+        "rev": "5544a0679fd6f6fb714e275514449c4ab9db2a53",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CachyOS",
+        "repo": "kernel-patches",
+        "type": "github"
+      }
+    },
     "crane": {
       "locked": {
         "lastModified": 1772080396,
@@ -134,7 +166,41 @@
         "type": "github"
       }
     },
+    "flake-compat_5": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1767039857,
+        "narHash": "sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns=",
+        "owner": "NixOS",
+        "repo": "flake-compat",
+        "rev": "5edf11c44bc78a0d334f6334cdaf7d60d732daab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1772408722,
+        "narHash": "sha256-rHuJtdcOjK7rAHpHphUb1iCvgkU3GpfvicLMwwnfMT0=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "f20dc5d9b8027381c474144ecabc9034d6a839a3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-parts_2": {
       "inputs": {
         "nixpkgs-lib": [
           "nix-citizen",
@@ -155,9 +221,9 @@
         "type": "github"
       }
     },
-    "flake-parts_2": {
+    "flake-parts_3": {
       "inputs": {
-        "nixpkgs-lib": "nixpkgs-lib"
+        "nixpkgs-lib": "nixpkgs-lib_2"
       },
       "locked": {
         "lastModified": 1769996383,
@@ -173,7 +239,7 @@
         "type": "github"
       }
     },
-    "flake-parts_3": {
+    "flake-parts_4": {
       "inputs": {
         "nixpkgs-lib": [
           "nixvim",
@@ -196,7 +262,7 @@
     },
     "git-hooks": {
       "inputs": {
-        "flake-compat": "flake-compat_4",
+        "flake-compat": "flake-compat_5",
         "gitignore": "gitignore_3",
         "nixpkgs": [
           "nix-citizen",
@@ -650,9 +716,32 @@
         "type": "github"
       }
     },
+    "nix-cachyos-kernel": {
+      "inputs": {
+        "cachyos-kernel": "cachyos-kernel",
+        "cachyos-kernel-patches": "cachyos-kernel-patches",
+        "flake-compat": "flake-compat_4",
+        "flake-parts": "flake-parts",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1773804995,
+        "narHash": "sha256-LL6EG35pbxgjsqYIpwUnpHGDmKFYttE+BILBNhsEaJk=",
+        "owner": "xddxdd",
+        "repo": "nix-cachyos-kernel",
+        "rev": "3286b7ecf1d864e2be050af78aa633d4e3ae8fdb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "xddxdd",
+        "ref": "release",
+        "repo": "nix-cachyos-kernel",
+        "type": "github"
+      }
+    },
     "nix-citizen": {
       "inputs": {
-        "flake-parts": "flake-parts",
+        "flake-parts": "flake-parts_2",
         "nix-gaming": "nix-gaming",
         "nix-github-actions": "nix-github-actions",
         "nixpkgs": [
@@ -698,7 +787,7 @@
     },
     "nix-gaming": {
       "inputs": {
-        "flake-parts": "flake-parts_2",
+        "flake-parts": "flake-parts_3",
         "git-hooks": "git-hooks",
         "nixpkgs": [
           "nix-citizen",
@@ -758,21 +847,36 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1773821835,
-        "narHash": "sha256-TJ3lSQtW0E2JrznGVm8hOQGVpXjJyXY2guAxku2O9A4=",
-        "owner": "nixos",
+        "lastModified": 1773738184,
+        "narHash": "sha256-zWRjT5oPabNCiC1A3QkFXpfnsgUjyg6fUZWC+IiiZH0=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b40629efe5d6ec48dd1efba650c797ddbd39ace0",
+        "rev": "41a2715cc472025a19bc0eb9dc4ee8b7406bfa6f",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
+        "owner": "NixOS",
+        "ref": "nixos-unstable-small",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1772328832,
+        "narHash": "sha256-e+/T/pmEkLP6BHhYjx6GmwP5ivonQQn0bJdH9YrRB+Q=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "c185c7a5e5dd8f9add5b2f8ebeff00888b070742",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib_2": {
       "locked": {
         "lastModified": 1769909678,
         "narHash": "sha256-cBEymOf4/o3FD5AZnzC3J9hLbiZ+QDT/KDuyHXVJOpM=",
@@ -787,9 +891,25 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1773821835,
+        "narHash": "sha256-TJ3lSQtW0E2JrznGVm8hOQGVpXjJyXY2guAxku2O9A4=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "b40629efe5d6ec48dd1efba650c797ddbd39ace0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixvim": {
       "inputs": {
-        "flake-parts": "flake-parts_3",
+        "flake-parts": "flake-parts_4",
         "nixpkgs": [
           "nixpkgs"
         ],
@@ -881,10 +1001,11 @@
         "home-manager": "home-manager",
         "hyprland": "hyprland",
         "lanzaboote": "lanzaboote",
+        "nix-cachyos-kernel": "nix-cachyos-kernel",
         "nix-citizen": "nix-citizen",
         "nix-darwin": "nix-darwin",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs_2",
         "nixvim": "nixvim",
         "quickshell": "quickshell",
         "sops-nix": "sops-nix",

flake.nix

@@ -12,6 +12,10 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    # Custom Kernel
+    nix-cachyos-kernel = {
+      url = "github:xddxdd/nix-cachyos-kernel/release";
+    };
     # Hyprland
     hyprland = {
       url = "github:hyprwm/Hyprland";

hosts/framework/modules.nix

@@ -11,6 +11,7 @@ in
     modules.nixos.secrets
     modules.nixos.desktop.bluetooth
     modules.nixos.desktop.utils
+    modules.nixos.gaming.kernel
     modules.nixos.gaming.amd
     modules.nixos.gaming.starCitizen
     modules.nixos.gaming.steam

modules/common/nix.nix

@@ -10,11 +10,11 @@
         experimental-features = [ "nix-command" "flakes" ];
 
         # Limit resource usage to prevent Linux OOM
-        max-jobs = 2;
-        cores = 4;
+        max-jobs = 4;
+        cores = 5;
 
         max-silent-time = 3600;
-        timeout = 1800;
+        timeout = 2700;
 
         # Package caches
         substituters = [

modules/default.nix

@@ -36,6 +36,7 @@
       steam = ./nixos/gaming/steam.nix;
       vr = ./nixos/gaming/vr.nix;
       mod = ./nixos/gaming/mod.nix;
+      kernel = ./nixos/gaming/kernel.nix;
     };
 
     bootloader = ./nixos/bootloader.nix;

modules/nixos/gaming/kernel.nix

@@ -0,0 +1,29 @@
+{ pkgs, inputs, lib, ... }:
+
+let
+  helpers = pkgs.callPackage "${inputs.nix-cachyos-kernel.outPath}/helpers.nix" {};
+  cachyKernel = pkgs.cachyosKernels.linux-cachyos-bore-lto.override {
+    cpusched = "bore";
+    lto  = "thin";
+    processorOpt = "x86_64-v3";
+    hzTicks = "1000";
+    tickrate = "full";
+    preemptType = "full";
+    bbr3 = true;
+    ccHarder = true;
+    hugepage = "always";
+  };
+in {
+  nixpkgs.overlays = [ inputs.nix-cachyos-kernel.overlays.pinned ];
+  boot.kernelPackages = helpers.kernelModuleLLVMOverride (
+    pkgs.linuxKernel.packagesFor cachyKernel
+  );
+  nix.settings = {
+    substituters = lib.mkAfter [
+      "https://attic.xuyh0120.win/lantian"
+    ];
+    trusted-public-keys = lib.mkAfter [
+      "lantian:EeAUQ+W+6r7EtwnmYjeVwx5kOGEBpjlBfPlzGlTNvHc="
+    ];
+  };
+}