使用irun命令跑覆盖率:-coverage a -covoverwrite -covworkdir CovData -covdesign ncsim -covtest ${STIM}
生成了覆盖率数据文件后,使用imc去打开这个数据文件报错,log如下:
IMC(64): 15.20-s017: (c) Copyright 1995-2016 Cadence Design Systems Inc - Coverage engine version: 15.20-s017
Starting gui mode
imc: *E,DBERR: Error loading database file /bsd/users/jyzhang/prj/ltc2/top_miner/design_file/lsim_cov/CovData/ncsim/icc_13d2bea2_73bceb78.ucm:
serialization exception.
imc: *E,INVDT: Valid data file not found for run directory /bsd/users/jyzhang/prj/ltc2/top_miner/design_file/lsim_cov/CovData/ncsim/test_pll_reconfig_ams. Specify a valid run directory with correct ucm, ucd files and rerun the command.