'label_join('
        + query
        + ', "destination_workload_var", ".", "destination_workload", "destination_workload_namespace")',

      httpWorkloads: [
        // Request total
        self.query(
          '{{ destination_workload}}.{{ destination_workload_namespace }}',
          tableLabelJoin(sum(
            rate(labels('istio_requests_total', { reporter: '~source|waypoint' })),

               "format": "table",
               "instant": true,
               "legendFormat": "{{ destination_workload}}.{{ destination_workload_namespace }}",
               "refId": "success"
            }
         ],