irun -covfile covfile.ccf
select_coverage -betf -module spi...
deselect_coverage -all -module spi_pll...
set_libcell_scoring
set_assign_scoring
set_branch_scoring
set_expr_scoring -all
set_statement_scoring
set_fsm_scoring -hold_transition
set_fsm_arc_scoring
set_glitch_strobe 100ps
set_toggle_strobe 100ps
set_covergroup -per_instance_default_one
set_covergroup -optimize_model
select_functional