2022-12-17

1 files changed, 119 insertions, 0 deletions

diff --git a/modules/nixos/throttled.nix b/modules/nixos/throttled.nix
new file mode 100644
index 0000000..f182ee1
--- /dev/null
+++ b/modules/nixos/throttled.nix
@@ -0,0 +1,119 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.nixfiles.modules.throttled;
+in {
+  options.nixfiles.modules.throttled.enable = mkEnableOption "Throttled";
+
+  config = mkIf cfg.enable {
+    # Disable the module we are trying to "override".
+    services.throttled.enable = mkForce false;
+
+    environment.etc."throttled.conf".text = ''
+      [GENERAL]
+      # Enable or disable the script execution
+      Enabled: True
+      # SYSFS path for checking if the system is running on AC power
+      Sysfs_Power_Path: /sys/class/power_supply/AC*/online
+      # Auto reload config on changes
+      Autoreload: True
+
+      ## Settings to apply while connected to Battery power
+      [BATTERY]
+      # Update the registers every this many seconds
+      Update_Rate_s: 30
+      # Max package power for time window #1
+      PL1_Tdp_W: 29
+      # Time window #1 duration
+      PL1_Duration_s: 28
+      # Max package power for time window #2
+      PL2_Tdp_W: 44
+      # Time window #2 duration
+      PL2_Duration_S: 0.002
+      # Max allowed temperature before throttling
+      Trip_Temp_C: 85
+      # Set cTDP to normal=0, down=1 or up=2 (EXPERIMENTAL)
+      cTDP: 0
+      # Disable BDPROCHOT (EXPERIMENTAL)
+      Disable_BDPROCHOT: False
+
+      ## Settings to apply while connected to AC power
+      [AC]
+      # Update the registers every this many seconds
+      Update_Rate_s: 5
+      # Max package power for time window #1
+      PL1_Tdp_W: 44
+      # Time window #1 duration
+      PL1_Duration_s: 28
+      # Max package power for time window #2
+      PL2_Tdp_W: 44
+      # Time window #2 duration
+      PL2_Duration_S: 0.002
+      # Max allowed temperature before throttling
+      Trip_Temp_C: 95
+      # Set HWP energy performance hints to 'performance' on high load (EXPERIMENTAL)
+      # Uncomment only if you really want to use it
+      # HWP_Mode: False
+      # Set cTDP to normal=0, down=1 or up=2 (EXPERIMENTAL)
+      cTDP: 0
+      # Disable BDPROCHOT (EXPERIMENTAL)
+      Disable_BDPROCHOT: False
+
+      # All voltage values are expressed in mV and *MUST* be negative (i.e. undervolt)!
+      [UNDERVOLT.BATTERY]
+      # CPU core voltage offset (mV)
+      CORE: 0
+      # Integrated GPU voltage offset (mV)
+      GPU: 0
+      # CPU cache voltage offset (mV)
+      CACHE: 0
+      # System Agent voltage offset (mV)
+      UNCORE: 0
+      # Analog I/O voltage offset (mV)
+      ANALOGIO: 0
+
+      # All voltage values are expressed in mV and *MUST* be negative (i.e. undervolt)!
+      [UNDERVOLT.AC]
+      # CPU core voltage offset (mV)
+      CORE: 0
+      # Integrated GPU voltage offset (mV)
+      GPU: 0
+      # CPU cache voltage offset (mV)
+      CACHE: 0
+      # System Agent voltage offset (mV)
+      UNCORE: 0
+      # Analog I/O voltage offset (mV)
+      ANALOGIO: 0
+
+      # [ICCMAX.AC]
+      # # CPU core max current (A)
+      # CORE:
+      # # Integrated GPU max current (A)
+      # GPU:
+      # # CPU cache max current (A)
+      # CACHE:
+
+      # [ICCMAX.BATTERY]
+      # # CPU core max current (A)
+      # CORE:
+      # # Integrated GPU max current (A)
+      # GPU:
+      # # CPU cache max current (A)
+      # CACHE:
+    '';
+
+    systemd.services.throttled = {
+      description = "Stop Intel throttling";
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = "${pkgs.throttled}/opt/throttled/throttled.py";
+      };
+      environment.PYTHONUNBUFFERED = "1";
+      wantedBy = ["multi-user.target"];
+    };
+  };
+}