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1 2 3 4 5 6 7 8 9 | <?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title xmlns:d="http://docbook.org/ns/docbook">1.3. Limitations of SystemTap</title><link rel="stylesheet" type="text/css" href="Common_Content/css/default.css" /><link rel="stylesheet" media="print" href="Common_Content/css/print.css" type="text/css" /><meta xmlns:d="http://docbook.org/ns/docbook" name="generator" content="not publican" /><meta xmlns:d="http://docbook.org/ns/docbook" name="package" content="" /><link rel="home" href="index.html" title="SystemTap Beginners Guide" /><link rel="up" href="introduction.html" title="Chapter 1. Introduction" /><link rel="prev" href="intro-systemtap-vs-others.html" title="1.2. SystemTap Capabilities" /><link rel="next" href="using-systemtap.html" title="Chapter 2. Using SystemTap" /></head><body><p id="title"></p><ul class="docnav top"><li class="previous"><a accesskey="p" href="intro-systemtap-vs-others.html"><strong>Prev</strong></a></li><li class="home">SystemTap Beginners Guide</li><li class="next"><a accesskey="n" href="using-systemtap.html"><strong>Next</strong></a></li></ul><div class="section"><div class="titlepage"><div><div><h2 class="title"><a id="intro-systemtap-limitations"> </a>1.3. Limitations of SystemTap</h2></div></div></div><a id="id1565" class="indexterm"></a><a id="id1568" class="indexterm"></a><div class="para">The current iteration of SystemTap allows for a multitude of options when probing kernel-space events for a wide range of kernels. However, SystemTap's ability to probe user-space events depends on kernel support (the Utrace mechanism) that is not available in many kernels. As a consequence, only some kernel versions support user-space probing.</div><div class="para">At present, the developmental efforts of the SystemTap community are geared towards improving SystemTap's user-space probing capabilities.</div></div><ul class="docnav"><li class="previous"><a accesskey="p" href="intro-systemtap-vs-others.html"><strong>Prev</strong>1.2. SystemTap Capabilities</a></li><li class="up"><a accesskey="u" href="#"><strong>Up</strong></a></li><li class="home"><a accesskey="h" href="index.html"><strong>Home</strong></a></li><li class="next"><a accesskey="n" href="using-systemtap.html"><strong>Next</strong>Chapter 2. Using SystemTap</a></li></ul></body></html>
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