To change cpu governor at boot, do something like this ... [CODE] [Unit] Description=Change CPU Govenor performance [Service] Type=forking ExecStart=/bin/sh -c "/bin/echo 'performance' > /sys/devices/platform/kgsl-3d0.0/kgsl/kgsl-3d0/pwrscale/trustzone/governor" # If you install my cpufrequtils # ExecStart=/usr/bin/cpufreq-set -g performance