gihcomit

config/modules/power-management/tdp.nix

@@ -0,0 +1,51 @@
+{ modules, den, ... }:
+{
+  modules.tdp = settings: {
+    nixos =
+      { pkgs, ... }:
+      let
+        batt-tdp = pkgs.writeShellScript "batt-cpu-tdp" ''
+          					${pkgs.powercap}/bin/powercap-set intel-rapl -z 0 -c 0 -l ${
+                 toString (settings.batt.cpu.long-term * 1000000)
+               }
+          					${pkgs.powercap}/bin/powercap-set intel-rapl -z 0 -c 0 -l ${
+                 toString (settings.batt.cpu.short-term * 1000000)
+               }
+        '';
+        ac-tdp = pkgs.writeShellScript "ac-cpu-tdp" ''
+          					${pkgs.powercap}/bin/powercap-set intel-rapl -z 0 -c 0 -l ${
+                 toString (settings.ac.cpu.long-term * 1000000)
+               }
+          					${pkgs.powercap}/bin/powercap-set intel-rapl -z 0 -c 0 -l ${
+                 toString (settings.ac.cpu.short-term * 1000000)
+               }
+        '';
+      in
+      {
+        systemd.services.tdp-on-batt = {
+          enable = true;
+          before = [ "battery.target" ];
+
+          serviceConfig = {
+            Type = "oneshot";
+            ExecStart = "${batt-tdp}";
+            RemainAfterExit = true;
+          };
+          wantedBy = [ "battery.target" ];
+          partOf = [ "battery.target" ];
+        };
+        systemd.services.tdp-on-ac = {
+          enable = true;
+          before = [ "ac.target" ];
+
+          serviceConfig = {
+            Type = "oneshot";
+            ExecStart = "${ac-tdp}";
+            RemainAfterExit = true;
+          };
+          wantedBy = [ "ac.target" ];
+          partOf = [ "ac.target" ];
+        };
+      };
+  };
+}