How can you visualize user defined regions in traces?

Hi there,
I have been experimenting a little bit with the -trace option. But I am not quite satisfied with the results. The fragmentation of goroutines over different threads is quite annoying. But the real problem is not being able to see Regions/Traces in the graph. They seem to be completely ignored, and the only way to visualize is to query them one at the time, which is rather useless.

The Trace API is not difficult to use, and documentation does not state any extra step than to run tests with `-trace` and open `go tool trace`. But no luck.

What are your experiences with this tool? Is it there anything that I can do to improve the experience?

submitted by /u/Conscious_Reason_770
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