r.VisualizeOccludedPrimitives 1 and r.AllowOcclusionQueries
FreezeRendering, good to use with ToggleDebugCamera, allows you to see how culling works, with extra stuff like seeing the POV of different steps of rendering (press B)
ToggleDebugCamera
Foliage.Freeze: Pauses the current rendering state of occluded and visible painted foliage clusters in Level based on the camera view. (And Foliage.Unfreeze)
ProfileGPU panel, also named “GPU Visualizer”
r.Streaming.PoolSize XXX
r.VisualizeOccludedPrimitives and r.AllowOcclusionQueries
