e by source and destination service names and namespace</p><pre><code class=language-plain data-expandlinks=true data-repo=istio>histogram_quantile(0.95,
  sum(irate(istio_request_duration_milliseconds_bucket{reporter=&#34;source&#34;}[1m]))
  by (
    destination_canonical_service,
    destination_workload_namespace,
    source_canonical_service,
    source_workload_namespace,
    le
  )
)
</code></pre></li></ul><p>The following set of recording rules could be added to the Istio Prometheus configuration, u