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| #!/usr/bin/env ruby | |
| exit false unless %{ondemand powersave performance}.index(ARGV[0]) | |
| (0..3).each do |i| | |
| system "sudo su -c 'echo #{ARGV[0]} > /sys/devices/system/cpu/cpu#{i}/cpufreq/scaling_governor'" | |
| end |
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| #!/bin/sh | |
| # USB の自動サスペンド | |
| for i in /sys/bus/usb/devices/usb*; do | |
| sudo sh -c "echo 1 > $i/power/autosuspend" | |
| done | |
| # WiFi の省電力設定 | |
| sudo iw dev wlan0 set power_save on | |
| # サウンドまわりの省電力設定 | |
| sudo sh -c "echo 1 > /sys/module/snd_hda_intel/parameters/power_save" | |
| sudo sh -c "echo 1 > /dev/dsp" | |
| # laptop mode | |
| sudo sh -c "echo 5 > /proc/sys/vm/laptop_mode" | |
| sudo sh -c "echo 0 > /proc/sys/kernel/nmi_watchdog" | |
| sudo sh -c "echo 1500 > /proc/sys/vm/dirty_writeback_centisecs" | |
| sudo modprobe -r sky2 | |
| # PCI 経由で繋がってるものの省電力設定 | |
| for i in /sys/bus/pci/devices/*; do | |
| sudo sh -c "echo 'auto' > $i/power/control" | |
| done | |
| # SSD が稼動してない時に SATA を最低消費電力モードにする設定 | |
| for i in /sys/class/scsi_host/host*; do | |
| sudo sh -c "echo 'min_power' > $i/link_power_management_policy" | |
| done | |
| # CPU 動作モードの変更 (cpufreq は自分で作ったもの) | |
| cpufreq powersave | |
| # ディスプレイ輝度の変更 | |
| # xbacklight は apt-get install xbacklight で入る | |
| xbacklight -set 60 | |
| # キーボードバックライトの無効化 | |
| sudo sh -c "echo '0' > /sys/devices/platform/sony-laptop/kbd_backlight" |
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