powertop /etc/rc.local

gistfile1.sh

#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

echo '1500' > '/proc/sys/vm/dirty_writeback_centisecs'; 
echo 'min_power' > '/sys/class/scsi_host/host0/link_power_management_policy'; 
echo 'min_power' > '/sys/class/scsi_host/host1/link_power_management_policy'; 
echo '1' > '/sys/module/snd_hda_intel/parameters/power_save'; 
echo '0' > '/proc/sys/kernel/nmi_watchdog'; 
echo 'auto' > '/sys/bus/usb/devices/1-4/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.0/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:00.0/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:02.0/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:03.0/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:14.0/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:16.0/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:1b.0/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.3/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.0/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.2/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.3/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:02:00.0/power/control'; 
echo 'auto' > '/sys/bus/pci/devices/0000:00:04.0/power/control';

exit 0