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.TH TAPSET::TCP 3stap "" "IBM, Intel"
.SH NAME
tapset::tcp \- systemtap tcp probe points

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.SH DESCRIPTION

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

.P
.TP
.B tcp.sendmsg

Fires whenever sending a tcp message

.B Arguments:

.I sock
  network socket

.I size
  number of bytes to send

.P
.TP
.B tcp.sendmsg.return

Fires whenever sending message is done

.B Arguments:

.I size
  number of bytes sent

.P
.TP
.B tcp.recvmsg

Fires whenever a message is received

.B Arguments:

.I sock
  network socket

.I size
  number of bytes to be received

.P
.TP
.B tcp.recvmsg.return

Fires whenever message receiving is done

.B Arguments:

.I size
  number of bytes received

.P
.TP
.B tcp.disconnect

Fires whenever tcp is disconnected

.B Arguments:

.I sock
  network socket

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

.P
.TP
.B tcp.disconnect.return

Fires when returning from tcp.disconnect

.B Arguments:

.I ret
  error code (0: no error)

.SH SEE ALSO
.IR stap (1),
.IR stapprobes (3stap)