The Selection Details window on the right side shows all the recorded metrics for the selected item both as values and percentages, and information on the selected function or load object. The Selection Details window is updated whenever a new item is selected in any data view.
When you select a sample in the Samples bar of the Timeline view, the Selection Details window shows the sample number, the start and end time of the sample, and the microstates with the amount of time spent in each microstate and the color coding.
When you select an event in a data bar of the Timeline view, the Selection Details window shows the event details and the call stack.