Merge pull request #477 from Gaming-Linux-FR/omnislash-bfq

Passage à BFQ en ordonnanceur et configuration de pipewire 48khz + quantum 128 (idéal gaming et multimédia)

Author: vinceff

modules/default/boot.nix

@@ -14,14 +14,37 @@ in
     type = lib.types.bool;
     default = true;
   };
+
   config = lib.mkIf config.glf.boot.enable {
-    #GLF wallpaper as grub splashscreen
+    nixpkgs.overlays = [
+      (self: super: {
+        linuxPackages = super.linuxPackages // {
+          kernel = super.linuxPackages.kernel.override {
+            structuredExtraConfig = with lib.kernel; {
+              HZ_1000 = yes;
+              HZ = 1000;
+              PREEMPT_FULL = yes;
+              IOSCHED_BFQ = yes;
+              DEFAULT_BFQ = yes;
+              DEFAULT_IOSCHED = "bfq";
+              V4L2_LOOPBACK = module;
+              HID = yes;
+            };
+          };
+        };
+      })
+    ];
+
+    services.udev.extraRules = ''
+      ACTION=="add|change", SUBSYSTEM=="block", ATTR{queue/scheduler}="bfq"
+    '';
+
     boot.loader.grub.splashImage = ../../assets/wallpaper/dark.jpg;
     boot.loader.grub.default = "saved";
     boot = {
-      #kernelPackages = pkgs.linuxPackages_zen;
+      kernelPackages = pkgs.linuxPackages;
       tmp.cleanOnBoot = true;
-      supportedFilesystems.zfs = lib.mkForce false; # Force disable ZFS
+      supportedFilesystems.zfs = lib.mkForce false;
       kernelParams =
         if builtins.elem "kvm-amd" config.boot.kernelModules then [ "amd_pstate=active" "nosplit_lock_mitigate" "clearcpuid=514" ] else [ "nosplit_lock_mitigate" ];
       plymouth = {
@@ -43,13 +66,12 @@ in
         kernel_kptr_restrict = 2;
         kernel_kexec_load_disabled = 1;
       };
-    }; 
-    
-    # Utiliser Mesa unstable directement depuis pkgs-unstable
+    };
+
     hardware.graphics = {
       enable = true;
       package = pkgs.mesa;
       package32 = pkgs.pkgsi686Linux.mesa;
     };
-  }; 
+  };
 }

modules/default/pipewire.nix

@@ -13,7 +13,6 @@
     security.rtkit.enable = true;
     services.pipewire = {
       enable = true;
-
       jack.enable = true;
       pulse.enable = true;
 
@@ -22,6 +21,14 @@ extraConfig.pipewire."91-min-quantum" = {
       "default.clock.min-quantum" = 1024;
     };
 };
+extraConfig.pipewire."92-low-latency" = {
+    "context.properties" = {
+      "default.clock.rate" = 48000;
+      "default.clock.quantum" = 128;
+      "default.clock.min-quantum" = 128;
+      "default.clock.max-quantum" = 128;
+    };
+  };
       alsa = {
         enable = true;
         support32Bit = true;
@@ -36,8 +43,8 @@ extraConfig.pipewire."91-min-quantum" = {
           };
         };
       };
-    };
 
+    };
   };
 
 }