50 lines
2 KiB
Nix
50 lines
2 KiB
Nix
{
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pkgs,
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lib,
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config,
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...
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}: {
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myFlake.hardware.accessories.xboxOneController.enable = lib.mkDefault true;
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programs.gamemode = {
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enable = true;
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settings.custom = {
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start = "${lib.getExe pkgs.libnotify} 'GameMode Activated' 'GameMode Activated! Enjoy enhanced performance. 🚀'";
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end = "${lib.getExe pkgs.libnotify} 'GameMode Deactivated' 'GameMode Deactivated. Back to normal mode. ⏹️'";
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};
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};
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# Integrate with NVIDIA Optimus offloading.
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# https://github.com/FeralInteractive/gamemode#note-for-hybrid-gpu-users
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# https://github.com/NixOS/nixpkgs/pull/273177
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environment.sessionVariables = {
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"GAMEMODERUNEXEC" = let
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inherit (config.hardware.nvidia.prime) offload;
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in
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lib.mkIf
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(builtins.elem "nvidia" config.services.xserver.videoDrivers || offload.enable || offload.enableOffloadCmd)
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(lib.mkDefault "nvidia-offload");
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};
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### https://wiki.archlinux.org/title/Gaming#Improving_performance
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systemd.tmpfiles.rules = [
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# Path Mode UID GID Age Argument
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#"w /proc/sys/vm/compaction_proactiveness - - - - 0"
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"w /proc/sys/vm/min_free_kbytes - - - - 1048576"
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"w /proc/sys/vm/swappiness - - - - 10"
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"w /sys/kernel/mm/lru_gen/enabled - - - - 5"
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"w /proc/sys/vm/zone_reclaim_mode - - - - 0"
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#"w /sys/kernel/mm/transparent_hugepage/enabled - - - - never"
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#"w /sys/kernel/mm/transparent_hugepage/shmem_enabled - - - - never"
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#"w /sys/kernel/mm/transparent_hugepage/khugepaged/defrag - - - - 0"
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"w /proc/sys/vm/page_lock_unfairness - - - - 1"
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"w /proc/sys/kernel/sched_child_runs_first - - - - 0"
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"w /proc/sys/kernel/sched_autogroup_enabled - - - - 1"
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"w /proc/sys/kernel/sched_cfs_bandwidth_slice_us - - - - 500"
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"w /sys/kernel/debug/sched/latency_ns - - - - 1000000"
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"w /sys/kernel/debug/sched/migration_cost_ns - - - - 500000"
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"w /sys/kernel/debug/sched/min_granularity_ns - - - - 500000"
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"w /sys/kernel/debug/sched/wakeup_granularity_ns - - - - 0"
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"w /sys/kernel/debug/sched/nr_migrate - - - - 8"
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];
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}
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