// request includes an If-Modified-Since header, ServeContent uses
// modtime to decide whether the content needs to be sent at all.
//
// The content's Seek method must work: ServeContent uses
// a seek to the end of the content to determine its size.
//
// If the caller has set w's ETag header formatted per RFC 7232, section 2.3,
// ServeContent uses it to handle requests using If-Match, If-None-Match, or If-Range.
//

	}
	return func(w http.ResponseWriter, r *http.Request) {
		switch r.FormValue("mode") {
		case "plot":
			mmu.HandlePlot(w, r)
			return
		case "details":
			mmu.HandleDetails(w, r)
			return
		}
		http.ServeContent(w, r, "", time.Time{}, strings.NewReader(templMMU))
	}
}

var utilFlagNames = map[string]trace.UtilFlags{
	"perProc":    trace.UtilPerProc,
	"stw":        trace.UtilSTW,
	"background": trace.UtilBackground,