DOKK / manpages / debian 10 / systemtap-doc / probe::tty.poll.3stap.en
PROBE::TTY.POLL(3stap) TTY Tapset PROBE::TTY.POLL(3stap)

probe::tty.poll - Called when a tty device is being polled

tty.poll 

file_name

the tty file name

wait_key

the wait queue key

tapset::tty(3stap)

October 2018 SystemTap Tapset Reference