yurishkuro

func (tm *TracedServeMux) AddHandler(pattern string, handler http.Handler) {
	middleware := nethttp.Middleware(tm.tracer, handler,
		nethttp.MWSpanObserver(func(span opentracing.Span, r *http.Request) {
			if !tm.copyBaggage {
				return
			}
			bag := baggage.FromContext(r.Context())
			for _, m := range bag.Members() {
				span.SetBaggageItem(m.Key(), m.Value())
			}

yurishkuro

[
    {
        "parent": "node_0",
        "child": "node_7",
        "callCount": 4
    },
    {
        "parent": "node_0",
        "child": "node_13",
        "callCount": 10