只收集DUT的coverage

 -tree tb_top
 +tree tb_top.dut 0

只收集module port上的toggle

在command中：

-cm_tgl portsonly

在hier中

​​​​​​​begin tgl(portsonly)
	+module mid
end

//or
begin line+tgl(portsonly)+cond
	+module mid
end

// or
-tree tb_top.u_dut.u_add
begin tgl(portsonly)
  +tree tb_top.u_dut.u_add 1
end

-cm_hier

-tree instance_name [level_number]

+tree instance_name [level_number]

-module module_name | entity_name

+module module_name | entity_name

+moduletree module_name [level_number]

-moduletree module_name [level_number]

+/-node

example:

-module test

+node test.w*

+node test.logic?

Command

vcs -cm_hier xxx.cfg

verdi -cov -covdir simv.vdb

verdi -cov -covdir simv.vdb -hier xxx.cfg -elfile xxx.el