diff options
| -rw-r--r-- | nixos/modules/programs/wayland/sway.nix | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/nixos/modules/programs/wayland/sway.nix b/nixos/modules/programs/wayland/sway.nix index 698d9c2b46c..de739faabee 100644 --- a/nixos/modules/programs/wayland/sway.nix +++ b/nixos/modules/programs/wayland/sway.nix @@ -42,6 +42,11 @@ in { <https://github.com/swaywm/sway/wiki> and "man 5 sway" for more information''); + enableRealtime = mkEnableOption (lib.mdDoc '' + add CAP_SYS_NICE capability on `sway` binary for realtime scheduling + privileges. This may improve latency and reduce stuttering, specially in + high load scenarios'') // { default = true; }; + package = mkOption { type = with types; nullOr package; default = defaultSwayPackage; @@ -149,6 +154,14 @@ in { "sway/config".source = mkOptionDefault "${cfg.package}/etc/sway/config"; }; }; + security.wrappers = mkIf (cfg.enableRealtime && cfg.package != null) { + sway = { + owner = "root"; + group = "root"; + source = "${cfg.package}/bin/sway"; + capabilities = "cap_sys_nice+ep"; + }; + }; # To make a Sway session available if a display manager like SDDM is enabled: services.xserver.displayManager.sessionPackages = optionals (cfg.package != null) [ cfg.package ]; } (import ./wayland-session.nix { inherit lib pkgs; }) |