DOKK / manpages / debian 10 / systemtap-doc / probe::netdev.hard_transmit.3stap.en
PROBE::NETDEV.HARD(3stap) Networking Tapset PROBE::NETDEV.HARD(3stap)

probe::netdev.hard_transmit - Called when the devices is going to TX (hard)

netdev.hard_transmit 

truesize

The size of the data to be transmitted.

protocol

The protocol used in the transmission

length

The length of the transmit buffer.

dev_name

The device scheduled to transmit

tapset::networking(3stap)

October 2018 SystemTap Tapset Reference