---
name: "stapprobes.udp"
section: "5"
platform: "linux"
package: "systemtap"
version: "0.0.20080705-1+lenny1"
release: "Debian 5.0 (Lenny)"
platforms: ["linux"]
url: "https://new.carta.tech/stapprobes.udp"
---

# stapprobes.udp(5)

systemtap udp probe points

## NAME

stapprobes.udp - systemtap udp probe points

## DESCRIPTION

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

- **udp.sendmsg**

  Fires whenever sending a udp message

  **Arguments:**

  *sock*\
     network socket

  *size*\
     number of bytes to send

- **udp.sendmsg.return**

  Fires whenever sending message is done

  **Arguments:**

  *size*\
     number of bytes sent

- **udp.recvmsg**

  Fires whenever a message is received

  **Arguments:**

  *sock*\
     network socket

  *size*\
     number of bytes to be received

- **udp.recvmsg.return**

  Fires whenever message receiving is done

  **Arguments:**

  *size*\
     number of bytes received

- **udp.disconnect**

  Fires whenever udp is disconnected

  **Arguments:**

  *sock*\
     network socket

  *flags*\
     flags (e.g. FIN, etc)

- **udp.disconnect.return**

  Fires when returning from udp.disconnect

  **Arguments:**

  *ret*\
     error code (0: no error)

## SEE ALSO

[*stap*(1)](/stap/1.md), [*stapprobes*(5)](/stapprobes/5.md),