How to Overclock Raspberry Pi 4 to 2.0Ghz
So you are looking to overclock your Raspberry Pi 4 to 2.0Ghz remember you do so at your own risk and overclocking can damage your hardware.
Commander Pi Download
sudo chmod +x install.sh
To download Sysbench
sudo apt-get install -y sysbench
sysbench –test=cpu –cpu-max-prime=20000 run