1. A computer-implemented method for displaying performance data for a computing environment, the method comprising: determining values for a performance metric for a plurality of entities that comprise the computing environment; and displaying the computing environment as a tree comprising nodes representing the plurality of entities and edges representing parent-child relationships between the plurality of entities; wherein while displaying the tree, displaying the child nodes for each parent node includes, determining a sorted order for the child nodes based on values of the performance metric associated with the child nodes, and displaying the child nodes in the sorted order.