[энергосбережение]Thinkpad X220 ваши рецепты

#!/bin/bash
function cpu(){
 for x in /sys/devices/system/cpu/cpu[1-9]
 do 
        echo $1 > $x/online
 done
}

 if [[ $1 == "on"  ]]
 then
        /etc/rc.d/gdm stop
        cpu 0
        cpufreq-set -f 800 
 else
        cpu 1
        /etc/rc.d/cpufreq restart 
        /etc/rc.d/gdm start
 fi

$ cat /etc/rc.local
#!/bin/bash
#
# /etc/rc.local: Local multi-user startup script.
#

# Enable ondemand governor
cpufreq-set -r -g ondemand
echo 25 > /sys/devices/system/cpu/cpufreq/ondemand/up_threshold

# Disable bluetooth
#echo disable > /proc/acpi/ibm/bluetooth

# Enable all Fn-keys
echo 0xffffffff > /sys/devices/platform/thinkpad_acpi/hotkey_mask

# PowerTOP
echo 1 > /sys/devices/system/cpu/sched_mc_power_savings
echo hpet > /sys/devices/system/clocksource/clocksource0/current_clocksource
echo min_power > /sys/class/scsi_host/host0/link_power_management_policy

# Enable Device Power Management
/etc/setauto.sh

# Wireless Power Saving
iwconfig wlan0 power 500m unicast

# eth0 down
ethtool -s eth0 wol d
ip link set eth0 down

$ cat /etc/setauto.sh
#!/bin/bash

function setauto()
{
	file=$1

	if [[ "$file" =~ 'power' ]]
	then
  		echo "auto" > "$file"
	fi
}

export -f setauto

find /sys/devices/pci* -name "control" -exec bash -c 'setauto {}' \;

vm.laptop_mode = 5
vm.dirty_writeback_centisecs = 60000
kernel.nmi_watchdog = 0