Created
March 5, 2014 05:41
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#!/usr/bin/env ruby | |
def sudo str | |
system "sudo sh -c \"#{str}\"" | |
end | |
# USB の自動サスペンド | |
sudo "echo 1 > /sys/bus/usb/devices/usb1/power/autosuspend" | |
sudo "echo 1 > /sys/bus/usb/devices/usb2/power/autosuspend" | |
sudo "echo 1 > /sys/bus/usb/devices/usb3/power/autosuspend" | |
# 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 "echo 1 > /sys/module/snd_hda_intel/parameters/power_save" | |
sudo "echo 1 > /dev/dsp" | |
# laptop mode | |
sudo "echo 5 > /proc/sys/vm/laptop_mode" | |
sudo "echo 0 > /proc/sys/kernel/nmi_watchdog" | |
sudo "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 | |
Dir.glob("/sys/bus/pci/devices/**/*/power/control").each{|x| | |
sudo "echo 'auto' > #{x}" | |
} | |
# 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 | |
sudo "echo 'min_power' > /sys/class/scsi_host/host0/link_power_management_policy" | |
sudo "echo 'min_power' > /sys/class/scsi_host/host1/link_power_management_policy" | |
sudo "echo 'min_power' > /sys/class/scsi_host/host2/link_power_management_policy" | |
sudo "echo 'min_power' > /sys/class/scsi_host/host3/link_power_management_policy" |
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