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author | Thiago Kenji Okada <thiagokokada@gmail.com> | 2023-10-09 19:53:51 +0100 |
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committer | GitHub <noreply@github.com> | 2023-10-09 19:53:51 +0100 |
commit | e7a621f8e9801d13b9a0506a103024a9971f512e (patch) | |
tree | c3d7cb8b6db864a2b64c542edc441089926cf87f /nixos/modules/programs | |
parent | b05f397e14d9ae68747dc4b9d6b020b48d765089 (diff) | |
parent | 63fce4ce48e3706db40010ce3b0a432c70caa1ab (diff) |
Merge pull request #259066 from thiagokokada/add-renice-sway
nixos/sway: add enableRealtime option
Diffstat (limited to 'nixos/modules/programs')
-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 698d9c2b46c46..de739faabee9c 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; }) |