TAPSET::TCP(3stap)

NAME
tapset::tcp - systemtap tcp probe points

DESCRIPTION
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)

SEE ALSO
stap(1), stapprobes(3stap)