Performance analyzer for reports
These release notes describe functionality that may not have been released yet. To see when this functionality is planned to release, please review What’s new and planned for business intelligence. Delivery timelines and projected functionality may change or may not ship (see Microsoft policy).
Performance analyzer will allow report authors to easily see the effect of every interaction on a page. This includes how long each visual takes to refresh and where the time is going. By using this tool, authors will be able to produce reports that are much more responsive for their end users.
Performance analyzer in Power BI Desktop