$ sudo perf record -e page-faults -e minor-faults -e major-faults -g -p $WAYLAND_PID
...
$ sudo perf script -f | tail
Xwayland 18530 129685.530657: 1 minor-faults:
174c60 init_device_event (/usr/bin/Xwayland)
12e690 ProcessKeyboardEvent (/usr/bin/Xwayland)
Xwayland 18530 129685.531291: 3 page-faults:
18be0a TimerSet (/usr/bin/Xwayland)
Xwayland 18530 129685.531296: 5 minor-faults:
18be0a TimerSet (/usr/bin/Xwayland)
$ sudo perf script -f | grep major-faults
$
O que isso significa? Pode haver falhas de página que não são "menores" nem "principais"?