From da3cefab0d3a80cc5b426f1c81b45ce54296e127 Mon Sep 17 00:00:00 2001
From: Paul-Henri Froidmont <git.contact-57n2p@froidmont.org>
Date: Tue, 9 Sep 2025 01:40:56 +0200
Subject: [PATCH] Tweak performance settings

---
 common.nix                                       | 4 ++++
 hosts/froidmpa-laptop/hardware-configuration.nix | 2 --
 hosts/nixos-desktop/hardware-configuration.nix   | 8 +++++---
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/common.nix b/common.nix
index d4762da..ca3ece8 100644
--- a/common.nix
+++ b/common.nix
@@ -43,6 +43,10 @@
 
   i18n.defaultLocale = lib.mkDefault "en_US.UTF-8";
 
+  zramSwap.enable = true;
+  zramSwap.memoryPercent = 300;
+  systemd.oomd.enable = true;
+
   console = {
     keyMap = lib.mkDefault "fr";
     font = lib.mkDefault "${pkgs.terminus_font}/share/consolefonts/ter-v32n.psf.gz";
diff --git a/hosts/froidmpa-laptop/hardware-configuration.nix b/hosts/froidmpa-laptop/hardware-configuration.nix
index 3909a85..c895068 100644
--- a/hosts/froidmpa-laptop/hardware-configuration.nix
+++ b/hosts/froidmpa-laptop/hardware-configuration.nix
@@ -39,8 +39,6 @@
 
   swapDevices = [ { device = "/dev/disk/by-uuid/bb8fa9ef-9b8f-413d-913a-6c891649a954"; } ];
 
-  zramSwap.enable = true;
-
   hardware = {
     bluetooth = {
       enable = true;
diff --git a/hosts/nixos-desktop/hardware-configuration.nix b/hosts/nixos-desktop/hardware-configuration.nix
index 0d304fe..d7f7432 100644
--- a/hosts/nixos-desktop/hardware-configuration.nix
+++ b/hosts/nixos-desktop/hardware-configuration.nix
@@ -1,5 +1,4 @@
 {
-  config,
   lib,
   pkgs,
   modulesPath,
@@ -49,7 +48,10 @@
 
   swapDevices = [ { device = "/dev/disk/by-uuid/f714775c-b5af-4c0c-8330-999b43db4794"; } ];
 
-  zramSwap.enable = true;
+  powerManagement = {
+    cpuFreqGovernor = "performance";
+    powertop.enable = true;
+  };
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 
@@ -66,7 +68,7 @@
     ];
   };
 
-  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  hardware.cpu.amd.updateMicrocode = true;
 
   services.resolved.dnssec = "false";
 }