OVR Metrics Tool is a performance monitoring solution for Meta Quest headsets that provides a wide range of performance metrics, including frame rate, heat, GPU and CPU throttling, and the number of screen tears and stale frames per second. In addition to built-in system metrics, app developers can define custom metrics to track application-specific performance or debugging information. Metrics can be visualized in real time through the onscreen overlay or automatically recorded in CSV reports for later analysis.