code: private void logSlowRequests(long requestLifetime, Request<?> request,
                                   byte[] responseContents, Response response) {
          if (DEBUG || requestLifetime > SLOW_REQUEST_THRESHOLD_MS) {
              VolleyLog.d("HTTP response for request=<%s> [lifetime=%d], [size=%s], " +
                              "[rc=%d], [retryCount=%s]", request, requestLifetime,
                      responseContents != null ? responseContents.length : "null",
                      response.code(), request.getRetryPolicy()
                              .getCurrentRetryCount()
              );
          }
      }
docs: Logs requests that took over SLOW_REQUEST_THRESHOLD_MS to complete.