%Itemgroup — define a group of table columns
%Itemgroup
[ groupname
] [ groupmember] [ ...]
Define a group of columns with the name "groupname" and the members "groupmember". Only single columns may be group members, not other item groups. Item groups are useful together with the %select_items statement.
%Itemgroup SYSTEMTESTS cpu disk
will define an item group called SYSTEMTESTS containing the columns cpu and disk.