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QoL: scaling-governor extend selection and guard missing cpufreq (#15416)

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CanbiZ (MickLesk)
2026-06-26 21:53:22 +02:00
committed by GitHub
parent dc26b8358e
commit 0774772b87
1 changed files with 15 additions and 5 deletions
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tools/pve/scaling-governor.sh
+15 -5
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@@ -20,16 +20,26 @@ header_info() {
EOF
}
header_info
whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU Scaling Governors" --yesno "View/Change CPU Scaling Governors. Proceed?" 10 58
current_governor=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)
whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU Scaling Governors" --yesno "View/Change CPU Scaling Governors. Proceed?" 10 58 || exit 0
GOV_BASE="/sys/devices/system/cpu/cpu0/cpufreq"
if [[ ! -r "$GOV_BASE/scaling_governor" || ! -r "$GOV_BASE/scaling_available_governors" ]]; then
whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU Scaling Not Available" \
--msgbox "CPU frequency scaling is not available on this system.\n\nThis is normal when no cpufreq driver is active (e.g. CPU power management handled by the BIOS, or certain virtualized hosts)." 12 70
clear
exit 0
fi
current_governor=$(cat "$GOV_BASE/scaling_governor")
GOVERNORS_MENU=()
MSG_MAX_LENGTH=0
while read -r TAG ITEM; do
OFFSET=2
((${#ITEM} + OFFSET > MSG_MAX_LENGTH)) && MSG_MAX_LENGTH=${#ITEM}+OFFSET
GOVERNORS_MENU+=("$TAG" "$ITEM " "OFF")
done < <(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors | tr ' ' '\n' | grep -v "$current_governor")
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 '"')
done < <(tr ' ' '\n' <"$GOV_BASE/scaling_available_governors" | sed '/^$/d' | grep -vxF "$current_governor")
# A radiolist is used on purpose: only a single governor can be active at a time.
scaling_governor=$(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 '"')
[ -z "$scaling_governor" ] && {
whiptail --backtitle "Proxmox VE Helper Scripts" --title "No CPU Scaling Governor Selected" --msgbox "It appears that no CPU Scaling Governor was selected" 10 68
clear
@@ -49,7 +59,7 @@ yes)
EXISTING_CRONTAB=$(crontab -l 2>/dev/null)
if [[ -n "$EXISTING_CRONTAB" ]]; then
TEMP_CRONTAB_FILE=$(mktemp)
echo "$EXISTING_CRONTAB" | grep -v "@reboot (sleep 60 && echo*" >"$TEMP_CRONTAB_FILE"
echo "$EXISTING_CRONTAB" | grep -vF "@reboot (sleep 60 && echo" >"$TEMP_CRONTAB_FILE"
crontab "$TEMP_CRONTAB_FILE"
rm "$TEMP_CRONTAB_FILE"
fi