hosts: adjust cpu weight and quota

linyinfeng · Sep 21, 2023 · 8d32ba8 · 8d32ba8
1 parent 2780437
commit 8d32ba8
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Showing 4 changed files with 18 additions and 4 deletions.
diff --git a/nixos/hosts/framework/default.nix b/nixos/hosts/framework/default.nix
@@ -258,8 +258,11 @@ in {
 
     # limit cpu quota for nix-daemon for laptop
     {
-      # 16 cores in total
-      systemd.services.nix-daemon.serviceConfig.CPUQuota = "800%";
+      systemd.services.nix-daemon.serviceConfig = {
+        # 16 cores in total
+        CPUQuota = "800%";
+        CPUWeight = "idle";
+      };
     }
   ];
 }
diff --git a/nixos/hosts/fsn0/default.nix b/nixos/hosts/fsn0/default.nix
@@ -10,6 +10,7 @@
     suites.server
     ++ (with profiles; [
       programs.tg-send
+      programs.ccache
       services.nginx
       services.acme
       services.notify-failure
@@ -143,5 +144,11 @@
         restartUnits = ["systemd-networkd.service"];
       };
     })
+
+    # hydra build server
+    {
+      # limit cpu usage of nix builds
+      systemd.services.nix-daemon.serviceConfig.CPUWeight = "idle";
+    }
   ];
 }
diff --git a/nixos/hosts/hil0/default.nix b/nixos/hosts/hil0/default.nix
@@ -23,6 +23,7 @@ in {
     suites.server
     ++ (with profiles; [
       programs.tg-send
+      programs.ccache
       services.nginx
       services.acme
       services.notify-failure
@@ -128,8 +129,9 @@ in {
       services.hydra.buildMachinesFiles = [
         "/etc/nix-build-machines/hydra-builder/machines"
       ];
-      # limit cpu quota of nix builds
-      systemd.services.nix-daemon.serviceConfig.CPUQuota = "300%";
+      # limit cpu usage of nix eval and builds
+      systemd.services.nix-daemon.serviceConfig.CPUWeight = "idle";
+      systemd.services.hydra-evaluator.serviceConfig.CPUWeight = "idle";
     }
   ];
 }
diff --git a/nixos/hosts/xps8930/default.nix b/nixos/hosts/xps8930/default.nix
@@ -57,6 +57,8 @@ in {
 
   services.xserver.desktopManager.gnome.enable = true;
 
+  systemd.services.nix-daemon.serviceConfig.CPUWeight = "idle";
+
   virtualisation.kvmgt = {
     enable = true;
     device = "0000:00:02.0";