161 lines
2.7 KiB
Bash
161 lines
2.7 KiB
Bash
#!/bin/bash
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get_thread() {
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cat /proc/cpuinfo 2> /dev/null | grep MHz | wc -l
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}
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get_governor() {
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cat /sys/devices/system/cpu/cpufreq/policy0/scaling_governor 2> /dev/null
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}
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set_governor() {
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for i in $(seq $(get_thread))
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do
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i=$(( $i - 1 ))
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echo $1 > /sys/devices/system/cpu/cpufreq/policy${i}/scaling_governor 2> /dev/null
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[[ $? != 0 ]] && return 1
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done
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return 0
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}
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list_available_governor() {
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cat /sys/devices/system/cpu/cpufreq/policy0/scaling_available_governors 2> /dev/null
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}
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list_available_freq() {
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cat /sys/devices/system/cpu/cpufreq/policy0/cpuinfo_${1}_freq 2> /dev/null
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}
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check_governor() {
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for i in $(list_available_governor)
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do
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[[ $1 == $i ]] && return 0
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done
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return 1
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}
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list_available_freq() {
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cat /sys/devices/system/cpu/cpufreq/policy0/cpuinfo_${1}_freq 2> /dev/null
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}
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get_freq() {
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case $1 in
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cur)
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cat /sys/devices/system/cpu/cpufreq/policy${1}/scaling_cur_freq 2> /dev/null
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;;
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min | max)
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cat /sys/devices/system/cpu/cpufreq/policy0/scaling_${1}_freq 2> /dev/null
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;;
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esac
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}
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set_freq() {
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for i in $(seq $(get_thread))
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do
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i=$(( $i - 1 ))
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echo $2 > /sys/devices/system/cpu/cpufreq/policy${i}/scaling_${1}_freq 2> /dev/null
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[[ $? != 0 ]] && return 1
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done
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return 0
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}
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help() {
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case $1 in
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governor)
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case $2 in
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set)
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echo "Usage: $0 governor set < $(list_available_governor)>"
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;;
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*)
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echo "Usage: $0 governor [ls] [show] [set]"
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;;
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esac
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;;
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freq)
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case $2 in
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set)
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echo "Usage: $0 freq set [min] [max] <number[$(( $(list_available_freq min) / 100000 ))-$(( $(list_available_freq max) / 100000 ))]>"
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;;
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*)
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echo "Usage: $0 freq [ls] [set] [show]"
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;;
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esac
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;;
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*)
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echo "Usage: $0 [governor] [freq]"
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;;
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esac
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exit
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}
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case $1 in
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governor)
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case $2 in
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ls)
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echo "Available governor: $(list_available_governor)"
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;;
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show)
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for i in $(seq $(get_thread))
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do
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i=$(( $i - 1 ))
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echo CPU$i $(get_governor $i) $(get_freq cur $i)
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done
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;;
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set)
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if [[ $(check_governor $3; echo $?) == 0 ]]
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then
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set_governor $3 || echo "Failed to set CPU governor to $3 ..."
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else
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help $1 $2
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fi
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;;
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*)
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help $1
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;;
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esac
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;;
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freq)
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case $2 in
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ls)
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echo "Available Min frequency: $(list_available_freq min)"
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echo "Available Max frequency: $(list_available_freq max)"
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;;
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show)
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case $3 in
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min | max)
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get_freq $3
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;;
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*)
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get_freq min
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get_freq max
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;;
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esac
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;;
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set)
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case $3 in
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min | max)
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if [[ $4 =~ [0-9] && $4 != 0 && $4 -lt 99 ]] 2> /dev/null
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then
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set_freq $3 ${4}00000 || echo "Failed to set CPU frequency to $4 ..."
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else
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echo "Unknown freq number: [$4]"
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fi
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;;
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reset)
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set_freq min $(list_available_freq min)
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set_freq max $(list_available_freq max)
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;;
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*)
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help $1 $2
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esac
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;;
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*)
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help $1
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;;
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esac
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;;
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*)
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help
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;;
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esac
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