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| author | fche <fche> | 2014-12-22 17:29:33 +0000 |
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| committer | fche <fche> | 2014-12-22 17:29:33 +0000 |
| commit | 37d569d36747707abe7b672bfa89a543fb89c585 (patch) | |
| tree | c829cf82d3e4238bf69cb9dbeb7a91f662d54907 /SystemTap_Beginners_Guide/intro-systemtap-limitations.html | |
| parent | add new langref/*.html (diff) | |
added new man pages
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| -rw-r--r-- | SystemTap_Beginners_Guide/intro-systemtap-limitations.html | 2 |
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| 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?> | 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?> |
| 2 | <!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="publican v4.1.3" /><meta xmlns:d="http://docbook.org/ns/docbook" name="package" content="SystemTap-SystemTap_Beginners_Guide-2.7-en-US-2.0-1" /><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"><a class="left" href="https://fedorahosted.org/publican"><img alt="Product Site" src="Common_Content/images//image_left.png" /></a><a class="right" href="https://fedorahosted.org/publican"><img alt="Documentation Site" src="Common_Content/images//image_right.png" /></a></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"> | 2 | <!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="publican v4.1.3" /><meta xmlns:d="http://docbook.org/ns/docbook" name="package" content="SystemTap-SystemTap_Beginners_Guide-2.7-en-US-2.0-1" /><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"><a class="left" href="https://fedorahosted.org/publican"><img alt="Product Site" src="Common_Content/images//image_left.png" /></a><a class="right" href="https://fedorahosted.org/publican"><img alt="Documentation Site" src="Common_Content/images//image_right.png" /></a></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"> |
| 3 | </a>1.3. Limitations of SystemTap</h2></div></div></div><a id="idm47723004038720" class="indexterm"></a><a id="idm47723004037312" class="indexterm"></a><div class="para"> | 3 | </a>1.3. Limitations of SystemTap</h2></div></div></div><a id="idm47650150072848" class="indexterm"></a><a id="idm47650150071440" class="indexterm"></a><div class="para"> |
| 4 | 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. | 4 | 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. |
| 5 | </div><div class="para"> | 5 | </div><div class="para"> |
| 6 | At present, the developmental efforts of the SystemTap community are geared towards improving SystemTap's user-space probing capabilities. | 6 | At present, the developmental efforts of the SystemTap community are geared towards improving SystemTap's user-space probing capabilities. |