p := pprof.Lookup(string(name))
	if p == nil {
		serveError(w, http.StatusNotFound, "Unknown profile")
		return
	}
	if sec := r.FormValue("seconds"); sec != "" {
		name.serveDeltaProfile(w, r, p, sec)
		return
	}
	gc, _ := strconv.Atoi(r.FormValue("gc"))
	if name == "heap" && gc > 0 {
		runtime.GC()
	}
	debug, _ := strconv.Atoi(r.FormValue("debug"))
	if debug != 0 {