Chapter 10. TTY Tapset

probe::tty.open — Called when a tty is opened
probe::tty.release — Called when the tty is closed
probe::tty.resize — Called when a terminal resize happens
probe::tty.ioctl — called when a ioctl is request to the tty
probe::tty.init — Called when a tty is being initalized
probe::tty.register — Called when a tty device is registred
probe::tty.unregister — Called when a tty device is being unregistered
probe::tty.poll — Called when a tty device is being polled
probe::tty.receive — called when a tty receives a message
probe::tty.write — write to the tty line
probe::tty.read — called when a tty line will be read

This family of probe points is used to probe TTY (Teletype) activities. It contains the following probe points:

Name

probe::tty.open — Called when a tty is opened

Synopsis

tty.open

Values

inode_state: the inode state
file_name: the file name
file_mode: the file mode
file_flags: the file flags
inode_number: the inode number
inode_flags: the inode flags

Name

probe::tty.release — Called when the tty is closed

Synopsis

tty.release

Values

inode_state: the inode state
file_name: the file name
file_mode: the file mode
file_flags: the file flags
inode_number: the inode number
inode_flags: the inode flags

Name

probe::tty.resize — Called when a terminal resize happens

Synopsis

tty.resize

Values

new_ypixel: the new ypixel value
old_col: the old col value
old_xpixel: the old xpixel
old_ypixel: the old ypixel
name: the tty name
old_row: the old row value
new_row: the new row value
new_xpixel: the new xpixel value
new_col: the new col value

Name

probe::tty.ioctl — called when a ioctl is request to the tty

Synopsis

tty.ioctl

Values

cmd: the ioctl command
arg: the ioctl argument
name: the file name

Name

probe::tty.init — Called when a tty is being initalized

Synopsis

tty.init

Values

driver_name: the driver name
name: the driver .dev_name name
module: the module name

Name

probe::tty.register — Called when a tty device is registred

Synopsis

tty.register

Values

driver_name: the driver name
name: the driver .dev_name name
index: the tty index requested
module: the module name

Name

probe::tty.unregister — Called when a tty device is being unregistered

Synopsis

tty.unregister

Values

driver_name: the driver name
name: the driver .dev_name name
index: the tty index requested
module: the module name

Name

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

Synopsis

tty.poll

Values

file_name: the tty file name
wait_key: the wait queue key

Name

probe::tty.receive — called when a tty receives a message

Synopsis

tty.receive

Values

driver_name: the driver name
count: The amount of characters received
name: the name of the module file
fp: The flag buffer
cp: the buffer that was received
index: The tty Index
id: the tty id

Name

probe::tty.write — write to the tty line

Synopsis

tty.write

Values

driver_name: the driver name
buffer: the buffer that will be written
file_name: the file name lreated to the tty
nr: The amount of characters

Name

probe::tty.read — called when a tty line will be read

Synopsis

tty.read

Values

driver_name: the driver name
buffer: the buffer that will receive the characters
file_name: the file name lreated to the tty
nr: The amount of characters to be read