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

# [NAME](#NAME)

function::printk - Send a message to the kernel trace buffer

# [SYNOPSIS](#SYNOPSIS)

```


    printk(level:long,msg:string)
```

# [ARGUMENTS](#ARGUMENTS)

*level*

an integer for the severity level (0=KERN\_EMERG ... 7=KERN\_DEBUG)

*msg*

The formatted message string

# [DESCRIPTION](#DESCRIPTION)

Print a line of text to the kernel dmesg/console with the given severity. An implicit end-of-line is added. This function may not be safely called from all kernel probe contexts, so is restricted to guru mode only.

# [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::printk(3stap) from systemtap 5.6-r0 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git