[ No top-posting please. See https://daringfireball.net/2007/07/on_top ] Macena Oliveira wrote: > > Do you know if it would be valid for GTK interface applications? > Yes, we notice latency increases even when a modern dekstop graphics environment like GNOME is running but idle. Remember that both Windows and modern Linux GTK environments uses the GPU — even for 2D rendering. If you're interested, I presented a small talk about the topic here: https://linutronix.de/PDF/Realtime_and_graphics-acontradiction2021.pdf Good luck, -- Ahmed S. Darwish Linutronix GmbH