PROBE::UDP.SENDMSG(3stap) Networking Tapset PROBE::UDP.SENDMSG(3stap)

# [NAME](#NAME)

probe::udp.sendmsg.return - Fires whenever an attempt to send a UDP message is completed

# [SYNOPSIS](#SYNOPSIS)

```
probe udp.sendmsg.return {}
```

# [VALUES](#VALUES)

*name*

The name of this probe

*size*

Number of bytes sent by the process

# [CONTEXT](#CONTEXT)

The process which sent a UDP message

# [SEE ALSO0](#SEE_ALSO0)

[*tapset::udp*(3stap)](/man/enterprise-packages/systemtap/tapset::udp.3stap)

September 2026 SystemTap Tapset Reference Ver

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Document: probe::udp.sendmsg.return(3stap) from systemtap 5.6-r1 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git