cpupower

cpu 전원관리 설정(서비스) util-linux, linux-tools 패키지

# Governor 변경
# 단일 코어
echo powersave | sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
 
# 전체 코어 일괄 적용
echo powersave | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
 
# cpupower 사용 (util-linux / linux-tools 패키지)
sudo cpupower frequency-set -g powersave

cpupower --help

Usage:  cpupower [-c|--cpu cpulist ] <command> [<args>]
Supported commands are:
        frequency-info
        frequency-set
        idle-info
        idle-set
        set
        info
        monitor
        help

Not all commands can make use of the -c cpulist option.

Use 'cpupower help <command>' for getting help for above commands.

/etc/sysconfig/cpupower

# See 'cpupower help' and cpupower(1) for more info
CPUPOWER_START_OPTS="frequency-set -g performance"
CPUPOWER_STOP_OPTS="frequency-set -g ondemand"