The difficulty in verifying runtime recalibration is not the recalibration request itself. It is the possibility that the request overlaps with everything else the link is doing. Traffic may be idle, bursty or saturated.
Source: [Dev.to](https://dev.to/alpinumblogs/ucie-30-chiplet-verification-turn-runtime-recalibration-into-a-scenario-matrix-4j3o)