The Performance tab shows a flame graph of the creation time for your components.
Use the Record 
, Clear 
, and show currently collected 
buttons to gather performance data about specific user actions or collections of user actions:
- To start gathering performance data, press
- Take one or more actions in the application
- To stop gathering performance data, press
You can switch between graph mode and tree mode or heavy top-down mode as shown in the following screenshots.
The following screenshot shows the chart mode. Look at the longer and deeper portions of the graph for potential performance bottlenecks:
The following screenshot shows Heavy (bottom-up) mode, which shows self-time, indicating a percentage of time from the aggregate taken by component for creation:
