#./bin/bash
#Program: 
#	this script is used to test gfx turbo feature.
#History:
# First Version


max_freq=$(cat /sys/class/drm/card0/gt_max_freq_mhz)

min_freq=$(cat /sys/class/drm/card0/gt_min_freq_mhz)

getcur_freq()
{

	cur_freq=$(cat /sys/class/drm/card0/gt_cur_freq_mhz)
	
	echo "Current GPU device frequecny is: ${cur_freq}"
}

# get the default currency and frequency and frequency range
echo "GPU freqency range is: [${min_freq}~${max_freq}]"
getcur_freq
mount -o nolock tinderbox:/var/www/html/media_streams /media/
cd /media/ts/
echo "Let's make something fun "
mplayer -vo vaapi -va vaapi ./h264_1080p_23.976_ac3_2ch_224Kbps_league_of_extrordinary_gents_10_min.ts &
sleep 3
for (( i = 0; i <= 30 ; i= $i +1))
do
	getcur_freq
	if [ "${cur_freq}" -eq "${max_freq}" ]; then
		echo "GPU device successfully increased to the largest frequency!"
		flag=1
		break
	fi
	flag=0
	sleep 1
done

if [ $flag -eq 0 ];then
	echo "GPU device didn't increased to the largest frequency!"
fi
# when current frequency reached max frequecny, kill glxgears, let SUT sleep 5 seconds
pid=$!
wait $pid
sleep 5
getcur_freq
 
# check whether current GPU frequency down to minimum GPU frequency
if [ "${cur_freq}" -gt "${min_freq}" ]; then 

	getcur_freq;
else
	echo "GPU device successfully decrease to the lowest frequency"

fi

 
pkill x

exit 0