Interceptors
Corvis has no microservices layer: there are no transports, no ClientProxy, no message patterns (@MessagePattern/@EventPattern) and no hybrid applications that listen on HTTP and a broker at the same time.
Since there are no message handlers, there are no interceptors for them either.
Alternative
Wrap the processing of each message in your own function that measures timings or records results. Interceptors exist for HTTP and WebSockets.