**Problem** Add Graphana dashboard for Broker/Trigger metrics. **[Persona:](https://github.com/knative/eventing/blob/master/docs/personas.md)** Contributor **Exit Criteria** A manual test that allows to see Broker/Trigger metrics in graphana dashboards, decomposed by relevant tags.
Problem
Add Graphana dashboard for Broker/Trigger metrics.
Persona:
Contributor
Exit Criteria
A manual test that allows to see Broker/Trigger metrics in graphana dashboards, decomposed by relevant tags.