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Update scaling-governor.sh

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- A full code overhaul.
- Include an option to configure a crontab for ensuring that the CPU Scaling Governor configuration persists across reboots.
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tteckster 2023-10-11 14:39:33 -04:00 committed by GitHub
parent 6aeda1d4ff
commit 2d85b461bd
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1 changed files with 39 additions and 45 deletions
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82
misc/scaling-governor.sh
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@ -8,51 +8,45 @@
header_info() { header_info() {
clear clear
cat <<EOF cat <<EOF
__________ __ __ ________ __ __ _____
/ ____/ __ \/ / / / / ___/ _ \/ / / / / ___/__ _ _____ _______ ___ _______
/ / / /_/ / / / / / /__/ ___/ /_/ / / (_ / _ \ |/ / -_) __/ _ \/ _ \/ __(_-<
/ /___/ ____/ /_/ / \___/_/ \____/ \___/\___/___/\__/_/ /_//_/\___/_/ /___/
\____/_/ \____/
Scaling Governors
EOF EOF
} }
while true; do
header_info header_info
read -p "View CPU Scaling Governors. Proceed(y/n)?" yn whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU Scaling Governors" --yesno "View/Change CPU Scaling Governors. Proceed?" 10 58 || exit
case $yn in current_governor=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
[Yy]*) break ;; GOVERNORS_MENU=()
[Nn]*) exit ;; MSG_MAX_LENGTH=0
*) echo "Please answer yes or no." ;; while read -r TAG ITEM; do
esac OFFSET=2
done ((${#ITEM} + OFFSET > MSG_MAX_LENGTH)) && MSG_MAX_LENGTH=${#ITEM}+OFFSET
show_menu() { GOVERNORS_MENU+=("$TAG" "$ITEM " "OFF")
header_info done < <(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors | tr ' ' '\n' | grep -v "$current_governor")
echo -e "\nProxmox IP \033[36m$(hostname -I)\033[m" scaling_governor=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Current CPU Scaling Governor is set to $current_governor" --checklist "\nSelect the Scaling Governor to use:\n" 16 $((MSG_MAX_LENGTH + 58)) 6 "${GOVERNORS_MENU[@]}" 3>&1 1>&2 2>&3 | tr -d '"') || exit
echo -e "Current Kernel \033[36m$(uname -r)\033[m\n" echo "${scaling_governor}" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor >/dev/null
available_governors=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors) current_governor=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
echo -e "Available CPU Scaling Governors\n\033[36m${available_governors}\033[m\n" whiptail --backtitle "Proxmox VE Helper Scripts" --msgbox --title "Current CPU Scaling Governor" "\nCurrent CPU Scaling Governor has been set to $current_governor\n" 10 60
echo -e "Current CPU Scaling Governor\n\033[36m$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)\033[m\n" CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU Scaling Governor" --menu "This will establish a crontab to maintain the CPU Scaling Governor configuration across reboots.\n \nSetup a crontab?" 14 68 2 \
options="" "yes" " " \
i=1 "no" " " 3>&2 2>&1 1>&3)
for governor in $available_governors
do case $CHOICE in
options+="** ${i}) \033[36m${governor}\033[m CPU Scaling Governor\n" yes)
((i=i+1)) NEW_CRONTAB_COMMAND="(sleep 60 && echo \"$current_governor\" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor)"
done EXISTING_CRONTAB=$(crontab -l 2>/dev/null)
echo -e "${options}" if [[ -n "$EXISTING_CRONTAB" ]]; then
echo -e "\033[31mNOTE: Settings return to default after reboot\033[m\n" TEMP_CRONTAB_FILE=$(mktemp)
read -p "Please choose an option from the menu and press [ENTER] or x to exit." opt echo "$EXISTING_CRONTAB" | grep -v "@reboot (sleep 60 && echo*" > "$TEMP_CRONTAB_FILE"
} crontab "$TEMP_CRONTAB_FILE"
show_menu rm "$TEMP_CRONTAB_FILE"
while [[ "$opt" != "" ]]; do
num_governors=$(echo "$available_governors" | wc -w)
if [[ $opt -gt 0 ]] && [[ $opt -le $num_governors ]]; then
governor=$(echo "$available_governors" | cut -d' ' -f $opt)
echo "${governor}" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
elif [[ $opt == "x" ]] || [[ $opt == "\n" ]]; then
exit
else
show_menu
fi fi
show_menu (crontab -l 2>/dev/null; echo "@reboot $NEW_CRONTAB_COMMAND") | crontab -
done echo -e "\nCrontab Set (use 'crontab -e' to check)"
;;
no)
echo -e "\n\033[31mNOTE: Settings return to default after reboot\033[m\n"
;;
esac
echo -e "Current CPU Scaling Governor is set to \033[36m$current_governor\033[m\n"