I added a script lurking around on my disk for some time to Armbian's repo to be hopefully included into future Armbian releases when testing looks good: https://github.com/igorpecovnik/lib/blob/master/scripts/h3consumption   Since it's just a script you can include it in your running Armbian installation simply by downloading it from Github -- try it this way please: sudo -s wget -q -O /usr/local/bin/h3consumption "https://raw.githubusercontent.com/igorpecovnik/lib/master/scripts/h