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RenderMan stats now provides access into to the current state of render, whether it be a DCC preview render or a farm render. Out of the box, live stats will be displayed in the HUD of Pixar's Image Tool Tool it with all bridge products. Optionally the system can be configured to stream live data via either gRPC or a WebSocket client.
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Note that applications such as the renderer are no longer responsible for maintaining the layout or presentation of the data they are gathering. Their job is simply to report data updates. The stats system takes care of collation and synthesis and Listeners handle the data presentation.
Visual Debugging
PRMan also provides specialized Integrators for the debugging of Lighting and Shading: