58 lines
1.2 KiB
Nix
58 lines
1.2 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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inherit (lib)
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mkIf
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mkEnableOption
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mkOption
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types
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;
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cfg = config.nixos.services.scx;
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in
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{
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options = {
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nixos.services.scx = {
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enable = mkEnableOption "Enables scx scheduler";
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scheduler = mkOption {
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type = types.enum [
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"scx_lavd"
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"scx_rusty"
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"scx_bpfland"
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];
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description = "Selects the scheduler for scx";
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default = "scx_lavd";
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};
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flags = mkOption {
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type = types.str;
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description = "Custom flags to be passed to scx scheduler";
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default = "";
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};
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = with pkgs; [
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scx.rustscheds
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];
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systemd.services.scx = {
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enable = true;
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wantedBy = [ "multi-user.target" ];
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unitConfig = {
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Description = "Start scx_scheduler";
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ConditionPathIsDirectory = "/sys/kernel/sched_ext";
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StartLimitIntervalSec = 30;
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StartLimitBurst = 2;
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};
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serviceConfig = {
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Type = "simple";
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Restart = "on-failure";
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StandardError = "journal";
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ExecStart = "/bin/sh -c 'exec /run/current-system/sw/bin/${cfg.scheduler} ${cfg.flags} '";
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};
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};
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};
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}
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