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eb799b2994
The kworker threads are used for flip handling and other non-userspace driver tasks. They are non-blocking and so do not impact upon how userspace performs, but they do obscure that information in the overview. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This is a simple overlay showing current GPU activity. An asynchronous overlay is used, rendered by the CPU to avoid introducing any extra work on the GPU that we wish to monitor. The x11-overlay backend requires xf86-video-intel 2.21.15 or later, with SNA enabled. As it requires access to debug information, it needs to be run as root.