#./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)

cur_rc6_residency1=$(cat /sys/class/drm/card0/power/rc6_residency_ms)

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
echo "Beginning GPU device RC6 residency since boot is: ${cur_rc6_residency1}"

xinit &
glxgears > log1 &
sleep 2

glxgears > log2 &
sleep 2

glxgears > log3 &
sleep 2

glxgears > log4 &
sleep 2

glxgears > log5 &
sleep 2

echo "5 glxgears started!"

getcur_freq

# If the current frequency did not reach max frequency, start glxgear and check the currenct frequency again
if [ "${cur_freq}" -lt "${max_freq}" ]; then
	glxgears > log & 
	getcur_freq;
else
	echo "GPU device successfully increased to the largest frequency!"
fi

# when current frequency reached max frequecny, kill glxgears, let SUT sleep 5 seconds
killall glxgears
sleep 5
getcur_freq
 
# check whether current GPU frequency down to minimum GPU frequency
if [ "${cur_freq}" -gt "${min_freq}" ]; then 

	sleep 10;
	getcur_freq;
else
	echo "GPU device successfully decrease to the lowest frequency"

fi

# Veruft RC6 residency is larger then begining one. then print it out
cur_rc6_residency2=$(cat /sys/class/drm/card0/power/rc6_residency_ms)
if [ "${cur_rc6_residency2}" -gt "${cur_rc6_residency1}" ]; then
	echo "Last GPU device RC6 residency since boot is: " ${cur_rc6_residency2};
	echo "GPU device RC6 residency is normal after frequency change! " 

fi
 
pkill x

exit 0