mirror of
https://github.com/community-scripts/ProxmoxVE.git
synced 2026-06-30 11:15:01 +02:00
CanbiZ (MickLesk)
77 lines
3.5 KiB
Bash
77 lines
3.5 KiB
Bash
#!/usr/bin/env bash
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# Copyright (c) 2021-2026 tteck
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# Author: tteck (tteckster)
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# License: MIT
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# https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
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set -e
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# Telemetry
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source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/api.func) 2>/dev/null || true
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declare -f init_tool_telemetry &>/dev/null && init_tool_telemetry "scaling-governor" "pve"
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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 0
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GOV_BASE="/sys/devices/system/cpu/cpu0/cpufreq"
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if [[ ! -r "$GOV_BASE/scaling_governor" || ! -r "$GOV_BASE/scaling_available_governors" ]]; then
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU Scaling Not Available" \
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--msgbox "CPU frequency scaling is not available on this system.\n\nThis is normal when no cpufreq driver is active (e.g. CPU power management handled by the BIOS, or certain virtualized hosts)." 12 70
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clear
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exit 0
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fi
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current_governor=$(cat "$GOV_BASE/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 < <(tr ' ' '\n' <"$GOV_BASE/scaling_available_governors" | sed '/^$/d' | grep -vxF "$current_governor")
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# A radiolist is used on purpose: only a single governor can be active at a time.
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scaling_governor=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Current CPU Scaling Governor is set to $current_governor" --radiolist "\nSelect the Scaling Governor to use:\n" 16 $((MSG_MAX_LENGTH + 58)) 6 "${GOVERNORS_MENU[@]}" 3>&1 1>&2 2>&3 | tr -d '"')
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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 -vF "@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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(
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crontab -l 2>/dev/null
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echo "@reboot $NEW_CRONTAB_COMMAND"
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) | crontab -
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echo -e "\nCrontab Set (use 'crontab -e' to check)"
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;;
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no)
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echo -e "\n\033[31mNOTE: Settings return to default after reboot\033[m\n"
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;;
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esac
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echo -e "Current CPU Scaling Governor is set to \033[36m$current_governor\033[m\n"
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