entry.API.TimeToResponseInNS = strconv.FormatInt(timeToResponse.Nanoseconds(), 10)
		// We hold the lock, so we cannot call reqInfo.GetTagsMap().
		tags := make(map[string]interface{}, len(reqInfo.tags))
		for _, t := range reqInfo.tags {
			tags[t.Key] = t.Val
		}
		entry.Tags = tags
		// ignore cases for ttfb when its zero.
		if timeToFirstByte != 0 {