1This is a simple overlay showing current GPU activity. An asynchronous 2overlay is used, rendered by the CPU to avoid introducing any extra work 3on the GPU that we wish to monitor. 4 5The x11-overlay backend requires xf86-video-intel 2.21.15 or later, with 6SNA enabled. 7 8As it requires access to debug information, it needs to be run as root. 9