.\" -*- nroff -*-
.TH STAPPROBES.TCP 3stap @DATE@ "IBM, Intel"
.SH NAME
stapprobes.tcp \- systemtap tcp probe points

.\" macros
.de SAMPLE
.br
.RS
.nf
.nh
..
.de ESAMPLE
.hy
.fi
.RE
..

.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)