From 2cbe2a6b264fd826bbe0f3e49831e35baf5cb7c7 Mon Sep 17 00:00:00 2001
From: Randall Winkhart <idgr@tutanota.com>
Date: Sun, 26 Jun 2022 16:50:43 -0400
Subject: [PATCH] Added nohz_full configuration to grub

---
 chrootInstall.sh | 5 +++--
 install.sh       | 4 +++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/chrootInstall.sh b/chrootInstall.sh
index 294d434..c141130 100755
--- a/chrootInstall.sh
+++ b/chrootInstall.sh
@@ -4,6 +4,7 @@
 formfactor="$(cat /tempfiles/formfactor)"
 device="$(cat /tempfiles/device)"
 cpu="$(cat /tempfiles/cpu)"
+threadsminusone="$(cat /tempfiles/threadsminusone)"
 gpu="$(cat /tempfiles/gpu)"
 intel_vaapi_driver="$(cat /tempfiles/intel_vaapi_driver)"
 boot="$(cat /tempfiles/boot)"
@@ -35,9 +36,9 @@ fi
 cp /usr/share/locale/en\@quot/LC_MESSAGES/grub.mo /boot/grub/locale/en.mo
 curl https://raw.githubusercontent.com/rwinkhart/artix-install-script/main/config-files/grub -o /etc/default/grub
 if [ "$gpu" != 'NVIDIA' ]; then
-    echo "GRUB_CMDLINE_LINUX_DEFAULT=\"loglevel=3 quiet nowatchdog mem_sleep_default=deep\"" >> /etc/default/grub
+    echo "GRUB_CMDLINE_LINUX_DEFAULT=\"loglevel=3 quiet nowatchdog mem_sleep_default=deep nohz_full=1-"$threadsminusone"\"" >> /etc/default/grub
 else
-    echo "GRUB_CMDLINE_LINUX_DEFAULT=\"loglevel=3 quiet nowatchdog mem_sleep_default=deep nvidia-drm.modeset=1\"" >> /etc/default/grub
+    echo "GRUB_CMDLINE_LINUX_DEFAULT=\"loglevel=3 quiet nowatchdog mem_sleep_default=deep nohz_full=1-"$threadsminusone" nvidia-drm.modeset=1\"" >> /etc/default/grub
 fi
 grub-mkconfig -o /boot/grub/grub.cfg
 
diff --git a/install.sh b/install.sh
index 628a090..1cb69c6 100755
--- a/install.sh
+++ b/install.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 loadkeys us
 echo ----------------------------------------------------------------------------------------------
-echo rwinkhart\'s artix installer
+echo rwinkhart\'s artix install script
 echo last updated june 26, 2022
 echo ----------------------------------------------------------------------------------------------
 echo You will be asked some questions before installation.
@@ -35,6 +35,7 @@ read -r -p "timezone: " timezone
 
 # start hardware detection
 cpu=$(lscpu | grep 'Vendor ID:' | awk 'FNR == 1 {print $3;}')
+threadsminusone=$(echo "$(lscpu | grep 'CPU(s):' | awk 'FNR == 1 {print $2;}') - 1" | bc)
 gpu=$(lspci | grep 'VGA compatible controller:' | awk 'FNR == 1 {print $5;}')
 ram=$(echo "$(cat /proc/meminfo | grep 'MemTotal:' | awk '{print $2;}') / 1000000" | bc)
 # stop hardware detection
@@ -172,6 +173,7 @@ mkdir /mnt/tempfiles
 echo "$formfactor" > /mnt/tempfiles/formfactor
 echo "$device" > /mnt/tempfiles/device
 echo "$cpu" > /mnt/tempfiles/cpu
+echo "$threadsminusone" > /mnt/tempfiles/threadsminusone
 echo "$gpu" > /mnt/tempfiles/gpu
 echo "$intel_vaapi_driver" > /mnt/tempfiles/intel_vaapi_driver
 echo "$boot" > /mnt/tempfiles/boot