<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Chapter 31. Speculation</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1"><link rel="start" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="prev" href="re572.html" title="probe::nfsd.write"><link rel="next" href="re573.html" title="function::commit"></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 31. Speculation</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re572.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="re573.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="speculation.stp"></a>Chapter 31. Speculation</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="refentrytitle"><a href="re573.html"><span>function::commit</span></a></span><span class="refpurpose"> -
Write out all output related to a speculation buffer
</span></dt><dt><span class="refentrytitle"><a href="re574.html"><span>function::discard</span></a></span><span class="refpurpose"> -
Discard all output related to a speculation buffer
</span></dt><dt><span class="refentrytitle"><a href="re575.html"><span>function::speculate</span></a></span><span class="refpurpose"> -
Store a string for possible output later
</span></dt><dt><span class="refentrytitle"><a href="re576.html"><span>function::speculation</span></a></span><span class="refpurpose"> -
Allocate a new id for speculative output
</span></dt></dl></div><p>
This family of functions provides the ability to speculative record
information and then at a later point in the SystemTap script either
commit the information or discard it.
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