in worker.go [176:193]
func (w *worker) reportTop(em map[string]config.Endpoint) {
w.inputs = make(chan input, concurrency)
w.outputs = make(chan output, w.size(em, region))
for i := 0; i < number; i++ {
for r, e := range em {
w.inputs <- input{region: r, endpoint: e.URL}
}
}
close(w.inputs)
sorted := w.sortOutput(em)
t := sorted[0].region
if t == "global" {
t = sorted[1].region
}
fmt.Println(t)
return
}