130|root@OnePlus:/ # getevent -lt /dev/input/event2
[   15858.899741] EV_KEY       KEY_F4               DOWN
[   15858.899754] EV_SYN       SYN_REPORT           00000000
[   15858.904868] EV_KEY       KEY_F4               UP
[   15858.904876] EV_SYN       SYN_REPORT           00000000