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124 lines
5.2 KiB
HTML
124 lines
5.2 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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developing GNU and promoting software freedom." -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Listing Tracepoints (Debugging with GDB)</title>
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<meta name="description" content="Listing Tracepoints (Debugging with GDB)">
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<meta name="keywords" content="Listing Tracepoints (Debugging with GDB)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Set-Tracepoints.html#Set-Tracepoints" rel="up" title="Set Tracepoints">
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<link href="Listing-Static-Tracepoint-Markers.html#Listing-Static-Tracepoint-Markers" rel="next" title="Listing Static Tracepoint Markers">
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<link href="Tracepoint-Actions.html#Tracepoint-Actions" rel="prev" title="Tracepoint Actions">
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<style type="text/css">
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a.summary-letter {text-decoration: none}
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blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
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div.display {margin-left: 3.2em}
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div.example {margin-left: 3.2em}
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div.lisp {margin-left: 3.2em}
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div.smalldisplay {margin-left: 3.2em}
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div.smallexample {margin-left: 3.2em}
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div.smalllisp {margin-left: 3.2em}
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kbd {font-style: oblique}
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pre.display {font-family: inherit}
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pre.format {font-family: inherit}
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pre.menu-comment {font-family: serif}
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pre.menu-preformatted {font-family: serif}
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pre.smalldisplay {font-family: inherit; font-size: smaller}
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pre.smallexample {font-size: smaller}
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pre.smallformat {font-family: inherit; font-size: smaller}
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pre.smalllisp {font-size: smaller}
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span.nolinebreak {white-space: nowrap}
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span.roman {font-family: initial; font-weight: normal}
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span.sansserif {font-family: sans-serif; font-weight: normal}
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en">
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<a name="Listing-Tracepoints"></a>
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<div class="header">
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<p>
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Next: <a href="Listing-Static-Tracepoint-Markers.html#Listing-Static-Tracepoint-Markers" accesskey="n" rel="next">Listing Static Tracepoint Markers</a>, Previous: <a href="Tracepoint-Actions.html#Tracepoint-Actions" accesskey="p" rel="prev">Tracepoint Actions</a>, Up: <a href="Set-Tracepoints.html#Set-Tracepoints" accesskey="u" rel="up">Set Tracepoints</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Listing-Tracepoints-1"></a>
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<h4 class="subsection">13.1.7 Listing Tracepoints</h4>
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<dl compact="compact">
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<dd><a name="index-info-tracepoints-_005bn_2026_005d"></a>
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<a name="index-info-tp-_005bn_2026_005d"></a>
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<a name="index-information-about-tracepoints"></a>
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</dd>
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<dt><code>info tracepoints <span class="roman">[</span><var>num</var>…<span class="roman">]</span></code></dt>
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<dd><p>Display information about the tracepoint <var>num</var>. If you don’t
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specify a tracepoint number, displays information about all the
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tracepoints defined so far. The format is similar to that used for
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<code>info breakpoints</code>; in fact, <code>info tracepoints</code> is the same
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command, simply restricting itself to tracepoints.
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</p>
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<p>A tracepoint’s listing may include additional information specific to
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tracing:
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</p>
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<ul>
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<li> its passcount as given by the <code>passcount <var>n</var></code> command
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</li><li> the state about installed on target of each location
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</li></ul>
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<div class="smallexample">
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<pre class="smallexample">(gdb) <b>info trace</b>
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Num Type Disp Enb Address What
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1 tracepoint keep y 0x0804ab57 in foo() at main.cxx:7
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while-stepping 20
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collect globfoo, $regs
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end
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collect globfoo2
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end
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pass count 1200
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2 tracepoint keep y <MULTIPLE>
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collect $eip
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2.1 y 0x0804859c in func4 at change-loc.h:35
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installed on target
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2.2 y 0xb7ffc480 in func4 at change-loc.h:35
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installed on target
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2.3 y <PENDING> set_tracepoint
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3 tracepoint keep y 0x080485b1 in foo at change-loc.c:29
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not installed on target
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(gdb)
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</pre></div>
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<p>This command can be abbreviated <code>info tp</code>.
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</p></dd>
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</dl>
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</body>
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</html>
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