Keeping the Screen Turned off While Getting Inputs

[Ahmad Nouralizadeh]

Hi,
I need to run a set of (graphical) benchmarks with the screen disabled. The following command did not work:
xset dpms force off

Because any keyboard/mouse input would re-enable the screen. The other option was the following:

xrandr --output eDP-1 --off

This turns off the screen for a second, then, causes the following segmentation fault:

gnome-shell[25737]: segfault at 8 ip 00007f3d02ef9210 sp 00007ffeee4e1fd8 error 4 in libmutter-2.so.0.0.0[7f3d02e99000+156000]

How can the problem be solved? Is there any other user/kernel level alternative?Regards.
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P.S.: The question is also asked in the following addresses:
https://superuser.com/q/1805444/1037926
https://unix.stackexchange.com/q/754782/348219
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