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