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// UDP tapset
// Copyright (C) 2006 Intel Corporation.
//
// This file is part of systemtap, and is free software. You can
// redistribute it and/or modify it under the terms of the GNU General
// Public License (GPL); either version 2, or (at your option) any
// later version.
// <tapsetdescription>
// This family of probe points is used to probe events that occur in the UDP layer.
// </tapsetdescription>
%{
#include <linux/version.h>
#include <net/sock.h>
#include <net/udp.h>
#include <net/ip.h>
%}
/**
* probe udp.sendmsg - Fires whenever a process sends a UDP message
* @name: The name of this probe
* @sock: Network socket used by the process
* @size: Number of bytes sent by the process
*
* Context:
* The process which sent a UDP message
*/
probe udp.sendmsg = kernel.function("udp_sendmsg") {
name = "udp.sendmsg"
sock = $sk
size = $len
}
/**
* probe udp.sendmsg.return - Fires whenever an attempt to send a UDP message is completed
* @name: The name of this probe
* @size: Number of bytes sent by the process
*
* Context:
* The process which sent a UDP message
*/
probe udp.sendmsg.return = kernel.function("udp_sendmsg").return {
name = "udp.sendmsg"
size = $return
}
/**
* probe udp.recvmsg - Fires whenever a UDP message is received
* @name: The name of this probe
* @sock: Network socket used by the process
* @size: Number of bytes received by the process
*
* Context:
* The process which received a UDP message
*/
probe udp.recvmsg = kernel.function("udp_recvmsg") {
name = "udp.recvmsg"
sock = $sk
size = $len
}
/**
* probe udp.recvmsg.return - Fires whenever an attempt to receive a UDP message received is completed
* @name: The name of this probe
* @size: Number of bytes received by the process
*
* Context:
* The process which received a UDP message
*/
probe udp.recvmsg.return = kernel.function("udp_recvmsg").return {
name = "udp.recvmsg"
size = $return
}
/**
* probe udp.disconnect - Fires when a process requests for a UDP disconnection
* @name: The name of this probe
* @sock: Network socket used by the process
* @flags: Flags (e.g. FIN, etc)
*
* Context:
* The process which requests a UDP disconnection
*/
probe udp.disconnect = kernel.function("udp_disconnect") {
name = "udp.disconnect"
sock = $sk
flags = $flags
}
/**
* probe udp.disconnect.return - UDP has been disconnected successfully
* @name: The name of this probe
* @ret: Error code (0: no error)
*
* Context:
* The process which requested a UDP disconnection
*/
probe udp.disconnect.return = kernel.function("udp_disconnect").return {
name = "udp.disconnect"
ret = $return
}
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