to run it through its paces try giving it the goroutines output of a large server. https://http2.golang.org/goroutines is a good example.

unfortunately its color palette is tailored to dark terminals: http://i.imgur.com/WqNVjfh.png

also unfortunate is that we've now lost path information and i can't just right-click to open the relevant line in the source. win some, lose some :)