<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Chapter 21. Logging Tapset</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><link rel="home" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="prev" href="API-task-dentry-path.html" title="function::task_dentry_path"><link rel="next" href="API-error.html" title="function::error"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 21. Logging Tapset</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-task-dentry-path.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="API-error.html">Next</a></td></tr></table><hr></div><div class="chapter" title="Chapter 21. Logging Tapset"><div class="titlepage"><div><div><h2 class="title"><a name="logging.stp"></a>Chapter 21. Logging Tapset</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="refentrytitle"><a href="API-error.html"><span>function::error</span></a></span><span class="refpurpose"> —
Send an error message
</span></dt><dt><span class="refentrytitle"><a href="API-exit.html"><span>function::exit</span></a></span><span class="refpurpose"> —
Start shutting down probing script.
</span></dt><dt><span class="refentrytitle"><a href="API-ftrace.html"><span>function::ftrace</span></a></span><span class="refpurpose"> —
Send a message to the ftrace ring-buffer
</span></dt><dt><span class="refentrytitle"><a href="API-log.html"><span>function::log</span></a></span><span class="refpurpose"> —
Send a line to the common trace buffer
</span></dt><dt><span class="refentrytitle"><a href="API-printk.html"><span>function::printk</span></a></span><span class="refpurpose"> —
Send a message to the kernel trace buffer
</span></dt><dt><span class="refentrytitle"><a href="API-warn.html"><span>function::warn</span></a></span><span class="refpurpose"> —
Send a line to the warning stream
</span></dt></dl></div><p>
This family of functions is used to send simple
message strings to various destinations.
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