Currently, in the installation guide, the list of tuned profiles are based on RHEL6. Since RHEL7 is the only supported host in 3.6 data center compatibility, the list should be updated to reflect RHEL 7 tuned profiles.
See RHEL 7 Guide for reference:
*** Bug 1281342 has been marked as a duplicate of this bug. ***
What are the changes from el6 to el7?
(In reply to Yaniv Dary from comment #4)
> What are the changes from el6 to el7?
The tuned profile is listed in RHEV-H 7 Performance screen. The definition of the profiles can be found in the RHEL7 guide in comment2.