To install Phoronix Test Suite run:
In Arch Linux you need to enable Sockets in PHP.ini to get the webserver running, search for the extension line and remove the semicolon:
nano /etc/php/php.ini ... extension=sockets ...
After saving your change run:
From the web browser you can then start or install tests.
A nice console command to see information about your system is the following:
It will show information about your CPU, graphic card, mainboard, RAM, disks and operating system.