QM_DFX_REGS_LEN
base_offset = dregs[i].reg_offset + j * QM_DFX_REGS_LEN;
diff_regs[i].regs = kcalloc(QM_DFX_REGS_LEN, cregs[i].reg_len,
j * QM_DFX_REGS_LEN;