dashboard: vm list performance upgrade

circle/dashboard/templates/dashboard/vm-list.html

@@ -86,7 +86,12 @@
               <span>{{ i.get_status_display }}</span>
             </td>
             <td>
-              {% include "dashboard/_display-name.html" with user=i.owner show_org=True %}
+              {% if i.owner.profile %}
+                {{ i.owner.profile.get_display_name }}
+              {% else %}
+                {{ i.owner.username }}
+              {% endif %}
+              {# include "dashboard/_display-name.html" with user=i.owner show_org=True #}
             </td>
             {% if user.is_superuser %}
             <td class="node "data-sort-value="{{ i.node.normalized_name }}">

circle/dashboard/views.py

@@ -1856,8 +1856,8 @@ class VmList(LoginRequiredMixin, FilterMixin, ListView):
             queryset = queryset.order_by(sort)
 
         return queryset.filter(
-            **self.get_queryset_filters()).select_related('owner', 'node'
-                                                          ).distinct()
+            **self.get_queryset_filters()).prefetch_related(
+                "owner", "node", "owner__profile").distinct()
 
 
 class NodeList(LoginRequiredMixin, SuperuserRequiredMixin, SingleTableView):