1 # performance testing setup script for dragon device 2 3 if [[ "`id -u`" -ne "0" ]]; then 4 echo "WARNING: running as non-root, proceeding anyways..." 5 fi 6 7 # locking CPU frequency 8 9 # note: locking cpu0 is sufficent to cover other cores as well 10 echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor 11 echo 1530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq 12 echo 1530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq 13 echo 1530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed 14 15 # locking GPU frequency 16 17 # note: frequency choices can be found in: 18 # cat /sys/class/drm/card0/device/pstate 19 20 # select 768 MHz 21 # 0a: core 768 MHz emc 1600 MHz 22 echo 0a > /sys/class/drm/card0/device/pstate 23
