Unlocking the Mac Performance Overlay: A Deep Dive into MTL_HUD_ENABLED

For gamers, developers, and power users on macOS, monitoring system performance while running resource-intensive applications or games can be invaluable. Mac users have long been limited when it comes to accessing built-in performance metrics, especially when compared to Windows, which offers various third-party and built-in tools like MSI Afterburner and the Xbox Game Bar. However, macOS has a lesser-known, hidden gem for displaying performance metrics: the Metal Performance Heads-Up Display (HUD).