FUNCTION::FTRACE(3stap) Logging Tapset FUNCTION::FTRACE(3stap)

# [NAME](#NAME)

function::ftrace - Send a message to the ftrace ring-buffer

# [SYNOPSIS](#SYNOPSIS)

```


    ftrace(msg:string)
```

# [ARGUMENTS](#ARGUMENTS)

*msg*

The formatted message string

# [DESCRIPTION](#DESCRIPTION)

If the ftrace ring-buffer is configured & available, see /debugfs/tracing/trace for the message. Otherwise, the message may be quietly dropped. An implicit end-of-line is added.

# [SEE ALSO0](#SEE_ALSO0)

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

September 2026 SystemTap Tapset Reference Ver

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Document: function::ftrace(3stap) from systemtap 5.6-r0 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git