58 lines
2.8 KiB
Bash
58 lines
2.8 KiB
Bash
#!/usr/bin/env bash
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# Copyright (c) 2021-2023 tteck
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# Author: tteck (tteckster)
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# License: MIT
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# https://github.com/tteck/Proxmox/raw/main/LICENSE
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set -e
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header_info() {
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clear
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cat <<EOF
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________ __ __ _____
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/ ___/ _ \/ / / / / ___/__ _ _____ _______ ___ _______
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/ /__/ ___/ /_/ / / (_ / _ \ |/ / -_) __/ _ \/ _ \/ __(_-<
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\___/_/ \____/ \___/\___/___/\__/_/ /_//_/\___/_/ /___/
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EOF
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}
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header_info
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU Scaling Governors" --yesno "View/Change CPU Scaling Governors. Proceed?" 10 58 || exit
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current_governor=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
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GOVERNORS_MENU=()
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MSG_MAX_LENGTH=0
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while read -r TAG ITEM; do
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OFFSET=2
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((${#ITEM} + OFFSET > MSG_MAX_LENGTH)) && MSG_MAX_LENGTH=${#ITEM}+OFFSET
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GOVERNORS_MENU+=("$TAG" "$ITEM " "OFF")
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done < <(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors | tr ' ' '\n' | grep -v "$current_governor")
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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
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[ -z "$scaling_governor" ] && {
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "No CPU Scaling Governor Selected" --msgbox "It appears that no CPU Scaling Governor was selected" 10 68
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clear
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exit
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}
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echo "${scaling_governor}" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor >/dev/null
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current_governor=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
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whiptail --backtitle "Proxmox VE Helper Scripts" --msgbox --title "Current CPU Scaling Governor" "\nCurrent CPU Scaling Governor has been set to $current_governor\n" 10 60
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CHOICE=$(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 \
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"yes" " " \
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"no" " " 3>&2 2>&1 1>&3)
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case $CHOICE in
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yes)
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set +e
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NEW_CRONTAB_COMMAND="(sleep 60 && echo \"$current_governor\" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor)"
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EXISTING_CRONTAB=$(crontab -l 2>/dev/null)
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if [[ -n "$EXISTING_CRONTAB" ]]; then
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TEMP_CRONTAB_FILE=$(mktemp)
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echo "$EXISTING_CRONTAB" | grep -v "@reboot (sleep 60 && echo*" > "$TEMP_CRONTAB_FILE"
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crontab "$TEMP_CRONTAB_FILE"
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rm "$TEMP_CRONTAB_FILE"
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fi
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(crontab -l 2>/dev/null; echo "@reboot $NEW_CRONTAB_COMMAND") | crontab -
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echo -e "\nCrontab Set (use 'crontab -e' to check)"
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;;
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no)
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echo -e "\n\033[31mNOTE: Settings return to default after reboot\033[m\n"
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;;
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esac
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echo -e "Current CPU Scaling Governor is set to \033[36m$current_governor\033[m\n"
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