stapprobes.tcp5

Overview

This family of probe points is used to probe TCP layer activities. It contains the following probe points:

tcp.sendmsg

Fires whenever sending a tcp message

Arguments:

sock
network socket

size
number of bytes to send

tcp.sendmsg.return

Fires whenever sending message is done

Arguments:

size
number of bytes sent

tcp.recvmsg

Fires whenever a message is received

Arguments:

sock
network socket

size
number of bytes to be received

tcp.recvmsg.return

Fires whenever message receiving is done

Arguments:

size
number of bytes received

tcp.disconnect

Fires whenever tcp is disconnected

Arguments:

sock
network socket

flags
TCP flags (e.g. FIN, etc)

tcp.disconnect.return

Fires when returning from tcp.disconnect

Arguments:

ret
error code (0: no error)