innovus set_dont_touch_subtree clock_tree

proc set_dont_touch_subtree {clock_tree_name} {

set clock_tree_nets [get_ccopt_clock_tree_nets -in_clock_trees [get_ccopt_clock_trees $clock_tree_name]]
deselectAll
selectNet $clock_tree_nets
dbSet selected.dontTouch true
deselectAll
puts $clock_tree_nets
    }