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

# [NAME](#NAME)

probe::tcp.sendmsg.return - Sending TCP message is done

# [SYNOPSIS](#SYNOPSIS)

```
probe tcp.sendmsg.return {}
```

# [VALUES](#VALUES)

*name*

Name of this probe

*size*

Number of bytes sent or error code if an error occurred.

# [CONTEXT](#CONTEXT)

The process which sends a tcp message

# [SEE ALSO0](#SEE_ALSO0)

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

September 2026 SystemTap Tapset Reference Ver

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