#!/bin/bash
#
# 4.4W @ cpuburn-a7 / 816MHz / uboot 2009.11

sleeptime=30
o=6
for cpufreq in 648 816 1008 1200 ; do
	echo ${cpufreq}000 >/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
	echo ${cpufreq}000 >/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
	echo performance >/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
	# idle 180 sec
	sleep 180
	i=2
	while [ $i -le $o ]; do
		sysbench --test=cpu --cpu-max-prime=20000 run --num-threads=4--num-threads=1 &
		sleep ${sleeptime}
		sleeptime=$(( ${sleeptime} + 10 ))
		(( i++ ))
	done
	pkill sysbench
	(( o-- ))
done
cpuburn-a7
sleep 120
pkill cpuburn-a7