Switch Power is zero

[Futuresxy]

Generate the report at 2025-12-11T14:28:34
Report : Averaged Power
+---------------+----------------+--------------+---------------+-------------+-----------+
| Power Group | Internal Power | Switch Power | Leakage Power | Total Power | (%) |
+---------------+----------------+--------------+---------------+-------------+-----------+
| combinational | 1.485e-01 | 0.000e+00 | 5.200e-04 | 1.490e-01 | (97.516%) |
| sequential | 3.781e-03 | 0.000e+00 | 1.581e-05 | 3.797e-03 | (2.484%) |
+---------------+----------------+--------------+---------------+-------------+-----------+
Net Switch Power == 0.000e+00 (0.000%)
Cell Internal Power == 1.523e-01 (99.649%)
Cell Leakage Power == 5.359e-04 (0.351%)
Total Power == 1.528e-01 W

上面是我进行运行make sta 后的pwr文件，但是发现即使sta.tcl中配置了report_power -toggle 0.1，但是Switch power一直是0，如何开启动态功耗的评估呢？

[sashimi-yzh]

目前yosys-sta不支持switch power的评估，具体可以阅读一生一芯讲义中的相关内容