From f4fb1e159c422fbc966bf6631b907036304699d0 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sun, 18 Aug 2024 23:53:17 +0200
Subject: ...

---
 hosts/vidhar/default.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'hosts')

diff --git a/hosts/vidhar/default.nix b/hosts/vidhar/default.nix
index 440829bb..78f305f8 100644
--- a/hosts/vidhar/default.nix
+++ b/hosts/vidhar/default.nix
@@ -132,6 +132,18 @@ with lib;
         CPUQuota = "2000%";
       };
     };
+    systemd.services."limit-pstate" = {
+      wantedBy = ["basic.target"];
+      serviceConfig = {
+        ExecStart = pkgs.writeShellScript "limit-pstate-start" ''
+          echo 80 > /sys/devices/system/cpu/intel_pstate/max_perf_pct
+        '';
+        RemainAfterExit = true;
+        ExecStop = pkgs.writeShellScript "limit-pstate-stop" ''
+          echo 100 > /sys/devices/system/cpu/intel_pstate/max_perf_pct
+        '';
+      };
+    };
 
     powerManagement = {
       enable = true;
-- 
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