Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
probe::tty.ioctl - called when a ioctl is request to the tty
SYNOPSIS
tty.ioctl
VALUES
name
the file name
arg
the ioctl argument
cmd
the ioctl command
SystemTap Tapset Reference March 2016 PROBE::TTY.IOCTL(3stap)