cat scaling_governor
userspace

cat scaling_available_frequencies
3326000 3325000 3192000 3059000 2926000 2793000 2660000 2527000 2394000 2261000 2128000   1995000 1862000 1729000 1596000

echo 2793000 > scaling_setspeed
bash: scaling_setspeed: Permission denied

sudo echo 2793000 > scaling_setspeed
bash: scaling_setspeed: Permission denied

echo 2793000 | sudo tee scaling_setspeed
bash: scaling_setspeed: Permission denied