From 97019fee71f269fd705eb473055eb2ff79284378 Mon Sep 17 00:00:00 2001
From: Christoph Cullmann <cullmann@kde.org>
Date: Mon, 3 Jun 2024 22:29:25 +0200
Subject: [PATCH] sync config

some ZFS tuning and more packages for KDE
---
 common.nix                      | 11 +++++++++++
 mini/hardware-configuration.nix |  3 ---
 neko/hardware-configuration.nix |  3 ---
 projects/kde/kdesrc-buildrc     |  2 +-
 projects/kde/shell.nix          |  1 +
 5 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/common.nix b/common.nix
index 3e88570..fc0f150 100644
--- a/common.nix
+++ b/common.nix
@@ -29,6 +29,17 @@ in
   boot.kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
   boot.supportedFilesystems = [ "zfs" ];
 
+  # don't check for split locks, for KVM and Co.
+  boot.kernelParams = [ "split_lock_detect=off" ];
+
+  # tweak ZFS
+  boot.extraModprobeConfig = ''
+    options zfs zfs_prefetch_disable=1
+    options zfs zfs_arc_max=4294967296
+    options zfs zfs_arc_min=134217728
+    options zfs zfs_arc_meta_limit_percent=75
+  '';
+
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
diff --git a/mini/hardware-configuration.nix b/mini/hardware-configuration.nix
index bd59f3a..8472002 100644
--- a/mini/hardware-configuration.nix
+++ b/mini/hardware-configuration.nix
@@ -10,9 +10,6 @@
   boot.initrd.kernelModules = [ "amdgpu" ];
   boot.kernelModules = [ "kvm-amd" ];
 
-  # don't check for split locks, for KVM and Co.
-  boot.kernelParams = [ "split_lock_detect=off" ];
-
   # efi partition
   fileSystems."/boot" =
     { device = "/dev/disk/by-id/nvme-CT4000P3PSSD8_2325E6E63746-part1";
diff --git a/neko/hardware-configuration.nix b/neko/hardware-configuration.nix
index af44b41..65bc1de 100644
--- a/neko/hardware-configuration.nix
+++ b/neko/hardware-configuration.nix
@@ -10,9 +10,6 @@
   boot.initrd.kernelModules = [ "i915" ];
   boot.kernelModules = [ "kvm-intel" ];
 
-  # don't check for split locks, for KVM and Co.
-  boot.kernelParams = [ "split_lock_detect=off" ];
-
   # efi partition
   fileSystems."/boot" =
     { device = "/dev/disk/by-id/nvme-Seagate_FireCuda_530_ZP4000GM30013_7VS01VBM-part1";
diff --git a/projects/kde/kdesrc-buildrc b/projects/kde/kdesrc-buildrc
index 454b4a5..307672e 100644
--- a/projects/kde/kdesrc-buildrc
+++ b/projects/kde/kdesrc-buildrc
@@ -31,7 +31,7 @@ global
     log-dir ~/projects/kde/log
 
     # use distro stuff for that
-     ignore-modules wayland wayland-protocols gpgme appstream packagekit-qt
+     ignore-modules wayland wayland-protocols gpgme appstream packagekit-qt poppler
 end global
 
 include ${module-definitions-dir}/kf6-qt6.ksb
diff --git a/projects/kde/shell.nix b/projects/kde/shell.nix
index 3a65891..93e4a31 100644
--- a/projects/kde/shell.nix
+++ b/projects/kde/shell.nix
@@ -49,6 +49,7 @@ export QT_QUICK_CONTROLS_STYLE_PATH=/home/cullmann/projects/kde/usr/lib/qml/QtQu
     hunspellDicts.en_US
     intltool
     isocodes
+    kdePackages.poppler
     lcms2
     libarchive
     libcanberra