Master tunable index:

[[for tun in tunables]]
[[if 'mod_layer' in tun]] Module: [[tun['mod_name']]]

Layer: [[tun['mod_layer']]]

[[else]] Global [[end]]

[[tun['tun_name']]] (Default: [[tun['def_val']]])
[[if tun['desc']]]
[[tun['desc']]]
[[end]]
[[end]]