if self.params.have_ipc:
            insn_pcnt = PercentToOneDP(insn_cnt, parent_item.insn_cnt)
            cyc_pcnt = PercentToOneDP(cyc_cnt, parent_item.cyc_cnt)
            br_pcnt = PercentToOneDP(branch_count, parent_item.branch_count)
            ipc = CalcIPC(cyc_cnt, insn_cnt)