#!/bin/bash

DIRTY_WB=1500
GOVERN=conservative
POWERMODE=auto
NMI=0
LINK_POW=min_power
POW_SAVE=1
POW_SAVE_TXT=on

if [ "0$1" -eq 1 ]; then
#	DIRTY_WB=1500
	GOVERN=performance
	POWERMODE=on
	NMI=1
	LINK_POW=max_performance
	POW_SAVE=0
	POW_SAVE_TXT=off
fi

/bin/echo -n "$DIRTY_WB" > /proc/sys/vm/dirty_writeback_centisecs
/bin/echo -n "$NMI" > /proc/sys/kernel/nmi_watchdog
/bin/echo -n "$POW_SAVE" > /sys/module/snd_hda_intel/parameters/power_save
iw dev wlan0 set power_save "$POW_SAVE_TXT"
ethtool -s eth0 wol d

for BUS in usb pci; do 
	for DEV in /sys/bus/$BUS/devices/*/power/control; do
		/bin/echo -n "$POWERMODE" > $DEV
	done
done

for CPU in /sys/devices/system/cpu/*/cpufreq/scaling_governor; do
	/bin/echo -n "$GOVERN" > $CPU
done

for HOST in /sys/class/scsi_host/host*/link_power_management_policy; do
	/bin/echo -n "$LINK_POW" > $HOST
done