| # performance testing setup script for dragon device |
| |
| if [[ "`id -u`" -ne "0" ]]; then |
| echo "WARNING: running as non-root, proceeding anyways..." |
| fi |
| |
| # locking CPU frequency |
| |
| # note: locking cpu0 is sufficent to cover other cores as well |
| echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor |
| echo 1530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq |
| echo 1530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq |
| echo 1530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed |
| |
| # locking GPU frequency |
| |
| # note: frequency choices can be found in: |
| # cat /sys/class/drm/card0/device/pstate |
| |
| # select 768 MHz |
| # 0a: core 768 MHz emc 1600 MHz |
| echo 0a > /sys/class/drm/card0/device/pstate |
