virsh freecell displays the available amount of memory on the machine within a specified NUMA cell. This command can provide one of three different displays of available memory on the machine depending on the options specified. If no options are used, the total free memory on the machine is displayed. Using the
--all option, it displays the free memory in each cell and the total free memory on the machine. By using a numeric argument or with
--cellno option along with a cell number it will display the free memory for the specified cell.