288 lines
12 KiB
HTML
288 lines
12 KiB
HTML
|
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
||
|
|
<html>
|
||
|
|
<!-- This file documents the gprof profiler of the GNU system.
|
||
|
|
|
||
|
|
Copyright (C) 1988-2016 Free Software Foundation, Inc.
|
||
|
|
|
||
|
|
Permission is granted to copy, distribute and/or modify this document
|
||
|
|
under the terms of the GNU Free Documentation License, Version 1.3
|
||
|
|
or any later version published by the Free Software Foundation;
|
||
|
|
with no Invariant Sections, with no Front-Cover Texts, and with no
|
||
|
|
Back-Cover Texts. A copy of the license is included in the
|
||
|
|
section entitled "GNU Free Documentation License".
|
||
|
|
-->
|
||
|
|
<!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ -->
|
||
|
|
<head>
|
||
|
|
<title>GNU gprof: Output Options</title>
|
||
|
|
|
||
|
|
<meta name="description" content="GNU gprof: Output Options">
|
||
|
|
<meta name="keywords" content="GNU gprof: Output Options">
|
||
|
|
<meta name="resource-type" content="document">
|
||
|
|
<meta name="distribution" content="global">
|
||
|
|
<meta name="Generator" content="makeinfo">
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
|
||
|
|
<link href="index.html#Top" rel="start" title="Top">
|
||
|
|
<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
|
||
|
|
<link href="Invoking.html#Invoking" rel="up" title="Invoking">
|
||
|
|
<link href="Analysis-Options.html#Analysis-Options" rel="next" title="Analysis Options">
|
||
|
|
<link href="Invoking.html#Invoking" rel="prev" title="Invoking">
|
||
|
|
<style type="text/css">
|
||
|
|
<!--
|
||
|
|
a.summary-letter {text-decoration: none}
|
||
|
|
blockquote.smallquotation {font-size: smaller}
|
||
|
|
div.display {margin-left: 3.2em}
|
||
|
|
div.example {margin-left: 3.2em}
|
||
|
|
div.indentedblock {margin-left: 3.2em}
|
||
|
|
div.lisp {margin-left: 3.2em}
|
||
|
|
div.smalldisplay {margin-left: 3.2em}
|
||
|
|
div.smallexample {margin-left: 3.2em}
|
||
|
|
div.smallindentedblock {margin-left: 3.2em; font-size: smaller}
|
||
|
|
div.smalllisp {margin-left: 3.2em}
|
||
|
|
kbd {font-style:oblique}
|
||
|
|
pre.display {font-family: inherit}
|
||
|
|
pre.format {font-family: inherit}
|
||
|
|
pre.menu-comment {font-family: serif}
|
||
|
|
pre.menu-preformatted {font-family: serif}
|
||
|
|
pre.smalldisplay {font-family: inherit; font-size: smaller}
|
||
|
|
pre.smallexample {font-size: smaller}
|
||
|
|
pre.smallformat {font-family: inherit; font-size: smaller}
|
||
|
|
pre.smalllisp {font-size: smaller}
|
||
|
|
span.nocodebreak {white-space:nowrap}
|
||
|
|
span.nolinebreak {white-space:nowrap}
|
||
|
|
span.roman {font-family:serif; font-weight:normal}
|
||
|
|
span.sansserif {font-family:sans-serif; font-weight:normal}
|
||
|
|
ul.no-bullet {list-style: none}
|
||
|
|
-->
|
||
|
|
</style>
|
||
|
|
|
||
|
|
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
|
||
|
|
<a name="Output-Options"></a>
|
||
|
|
<div class="header">
|
||
|
|
<p>
|
||
|
|
Next: <a href="Analysis-Options.html#Analysis-Options" accesskey="n" rel="next">Analysis Options</a>, Up: <a href="Invoking.html#Invoking" accesskey="u" rel="up">Invoking</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p>
|
||
|
|
</div>
|
||
|
|
<hr>
|
||
|
|
<a name="Output-Options-1"></a>
|
||
|
|
<h3 class="section">4.1 Output Options</h3>
|
||
|
|
|
||
|
|
<p>These options specify which of several output formats
|
||
|
|
<code>gprof</code> should produce.
|
||
|
|
</p>
|
||
|
|
<p>Many of these options take an optional <em>symspec</em> to specify
|
||
|
|
functions to be included or excluded. These options can be
|
||
|
|
specified multiple times, with different symspecs, to include
|
||
|
|
or exclude sets of symbols. See <a href="Symspecs.html#Symspecs">Symspecs</a>.
|
||
|
|
</p>
|
||
|
|
<p>Specifying any of these options overrides the default (‘<samp>-p -q</samp>’),
|
||
|
|
which prints a flat profile and call graph analysis
|
||
|
|
for all functions.
|
||
|
|
</p>
|
||
|
|
<dl compact="compact">
|
||
|
|
<dt><code>-A[<var>symspec</var>]</code></dt>
|
||
|
|
<dt><code>--annotated-source[=<var>symspec</var>]</code></dt>
|
||
|
|
<dd><p>The ‘<samp>-A</samp>’ option causes <code>gprof</code> to print annotated source code.
|
||
|
|
If <var>symspec</var> is specified, print output only for matching symbols.
|
||
|
|
See <a href="Annotated-Source.html#Annotated-Source">The Annotated Source Listing</a>.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-b</code></dt>
|
||
|
|
<dt><code>--brief</code></dt>
|
||
|
|
<dd><p>If the ‘<samp>-b</samp>’ option is given, <code>gprof</code> doesn’t print the
|
||
|
|
verbose blurbs that try to explain the meaning of all of the fields in
|
||
|
|
the tables. This is useful if you intend to print out the output, or
|
||
|
|
are tired of seeing the blurbs.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-C[<var>symspec</var>]</code></dt>
|
||
|
|
<dt><code>--exec-counts[=<var>symspec</var>]</code></dt>
|
||
|
|
<dd><p>The ‘<samp>-C</samp>’ option causes <code>gprof</code> to
|
||
|
|
print a tally of functions and the number of times each was called.
|
||
|
|
If <var>symspec</var> is specified, print tally only for matching symbols.
|
||
|
|
</p>
|
||
|
|
<p>If the profile data file contains basic-block count records, specifying
|
||
|
|
the ‘<samp>-l</samp>’ option, along with ‘<samp>-C</samp>’, will cause basic-block
|
||
|
|
execution counts to be tallied and displayed.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-i</code></dt>
|
||
|
|
<dt><code>--file-info</code></dt>
|
||
|
|
<dd><p>The ‘<samp>-i</samp>’ option causes <code>gprof</code> to display summary information
|
||
|
|
about the profile data file(s) and then exit. The number of histogram,
|
||
|
|
call graph, and basic-block count records is displayed.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-I <var>dirs</var></code></dt>
|
||
|
|
<dt><code>--directory-path=<var>dirs</var></code></dt>
|
||
|
|
<dd><p>The ‘<samp>-I</samp>’ option specifies a list of search directories in
|
||
|
|
which to find source files. Environment variable <var>GPROF_PATH</var>
|
||
|
|
can also be used to convey this information.
|
||
|
|
Used mostly for annotated source output.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-J[<var>symspec</var>]</code></dt>
|
||
|
|
<dt><code>--no-annotated-source[=<var>symspec</var>]</code></dt>
|
||
|
|
<dd><p>The ‘<samp>-J</samp>’ option causes <code>gprof</code> not to
|
||
|
|
print annotated source code.
|
||
|
|
If <var>symspec</var> is specified, <code>gprof</code> prints annotated source,
|
||
|
|
but excludes matching symbols.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-L</code></dt>
|
||
|
|
<dt><code>--print-path</code></dt>
|
||
|
|
<dd><p>Normally, source filenames are printed with the path
|
||
|
|
component suppressed. The ‘<samp>-L</samp>’ option causes <code>gprof</code>
|
||
|
|
to print the full pathname of
|
||
|
|
source filenames, which is determined
|
||
|
|
from symbolic debugging information in the image file
|
||
|
|
and is relative to the directory in which the compiler
|
||
|
|
was invoked.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-p[<var>symspec</var>]</code></dt>
|
||
|
|
<dt><code>--flat-profile[=<var>symspec</var>]</code></dt>
|
||
|
|
<dd><p>The ‘<samp>-p</samp>’ option causes <code>gprof</code> to print a flat profile.
|
||
|
|
If <var>symspec</var> is specified, print flat profile only for matching symbols.
|
||
|
|
See <a href="Flat-Profile.html#Flat-Profile">The Flat Profile</a>.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-P[<var>symspec</var>]</code></dt>
|
||
|
|
<dt><code>--no-flat-profile[=<var>symspec</var>]</code></dt>
|
||
|
|
<dd><p>The ‘<samp>-P</samp>’ option causes <code>gprof</code> to suppress printing a flat profile.
|
||
|
|
If <var>symspec</var> is specified, <code>gprof</code> prints a flat profile,
|
||
|
|
but excludes matching symbols.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-q[<var>symspec</var>]</code></dt>
|
||
|
|
<dt><code>--graph[=<var>symspec</var>]</code></dt>
|
||
|
|
<dd><p>The ‘<samp>-q</samp>’ option causes <code>gprof</code> to print the call graph analysis.
|
||
|
|
If <var>symspec</var> is specified, print call graph only for matching symbols
|
||
|
|
and their children.
|
||
|
|
See <a href="Call-Graph.html#Call-Graph">The Call Graph</a>.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-Q[<var>symspec</var>]</code></dt>
|
||
|
|
<dt><code>--no-graph[=<var>symspec</var>]</code></dt>
|
||
|
|
<dd><p>The ‘<samp>-Q</samp>’ option causes <code>gprof</code> to suppress printing the
|
||
|
|
call graph.
|
||
|
|
If <var>symspec</var> is specified, <code>gprof</code> prints a call graph,
|
||
|
|
but excludes matching symbols.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-t</code></dt>
|
||
|
|
<dt><code>--table-length=<var>num</var></code></dt>
|
||
|
|
<dd><p>The ‘<samp>-t</samp>’ option causes the <var>num</var> most active source lines in
|
||
|
|
each source file to be listed when source annotation is enabled. The
|
||
|
|
default is 10.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-y</code></dt>
|
||
|
|
<dt><code>--separate-files</code></dt>
|
||
|
|
<dd><p>This option affects annotated source output only.
|
||
|
|
Normally, <code>gprof</code> prints annotated source files
|
||
|
|
to standard-output. If this option is specified,
|
||
|
|
annotated source for a file named <samp>path/<var>filename</var></samp>
|
||
|
|
is generated in the file <samp><var>filename</var>-ann</samp>. If the underlying
|
||
|
|
file system would truncate <samp><var>filename</var>-ann</samp> so that it
|
||
|
|
overwrites the original <samp><var>filename</var></samp>, <code>gprof</code> generates
|
||
|
|
annotated source in the file <samp><var>filename</var>.ann</samp> instead (if the
|
||
|
|
original file name has an extension, that extension is <em>replaced</em>
|
||
|
|
with <samp>.ann</samp>).
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-Z[<var>symspec</var>]</code></dt>
|
||
|
|
<dt><code>--no-exec-counts[=<var>symspec</var>]</code></dt>
|
||
|
|
<dd><p>The ‘<samp>-Z</samp>’ option causes <code>gprof</code> not to
|
||
|
|
print a tally of functions and the number of times each was called.
|
||
|
|
If <var>symspec</var> is specified, print tally, but exclude matching symbols.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-r</code></dt>
|
||
|
|
<dt><code>--function-ordering</code></dt>
|
||
|
|
<dd><p>The ‘<samp>--function-ordering</samp>’ option causes <code>gprof</code> to print a
|
||
|
|
suggested function ordering for the program based on profiling data.
|
||
|
|
This option suggests an ordering which may improve paging, tlb and
|
||
|
|
cache behavior for the program on systems which support arbitrary
|
||
|
|
ordering of functions in an executable.
|
||
|
|
</p>
|
||
|
|
<p>The exact details of how to force the linker to place functions
|
||
|
|
in a particular order is system dependent and out of the scope of this
|
||
|
|
manual.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-R <var>map_file</var></code></dt>
|
||
|
|
<dt><code>--file-ordering <var>map_file</var></code></dt>
|
||
|
|
<dd><p>The ‘<samp>--file-ordering</samp>’ option causes <code>gprof</code> to print a
|
||
|
|
suggested .o link line ordering for the program based on profiling data.
|
||
|
|
This option suggests an ordering which may improve paging, tlb and
|
||
|
|
cache behavior for the program on systems which do not support arbitrary
|
||
|
|
ordering of functions in an executable.
|
||
|
|
</p>
|
||
|
|
<p>Use of the ‘<samp>-a</samp>’ argument is highly recommended with this option.
|
||
|
|
</p>
|
||
|
|
<p>The <var>map_file</var> argument is a pathname to a file which provides
|
||
|
|
function name to object file mappings. The format of the file is similar to
|
||
|
|
the output of the program <code>nm</code>.
|
||
|
|
</p>
|
||
|
|
<div class="smallexample">
|
||
|
|
<pre class="smallexample">c-parse.o:00000000 T yyparse
|
||
|
|
c-parse.o:00000004 C yyerrflag
|
||
|
|
c-lang.o:00000000 T maybe_objc_method_name
|
||
|
|
c-lang.o:00000000 T print_lang_statistics
|
||
|
|
c-lang.o:00000000 T recognize_objc_keyword
|
||
|
|
c-decl.o:00000000 T print_lang_identifier
|
||
|
|
c-decl.o:00000000 T print_lang_type
|
||
|
|
…
|
||
|
|
|
||
|
|
</pre></div>
|
||
|
|
|
||
|
|
<p>To create a <var>map_file</var> with <small>GNU</small> <code>nm</code>, type a command like
|
||
|
|
<kbd>nm --extern-only --defined-only -v --print-file-name program-name</kbd>.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-T</code></dt>
|
||
|
|
<dt><code>--traditional</code></dt>
|
||
|
|
<dd><p>The ‘<samp>-T</samp>’ option causes <code>gprof</code> to print its output in
|
||
|
|
“traditional” BSD style.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-w <var>width</var></code></dt>
|
||
|
|
<dt><code>--width=<var>width</var></code></dt>
|
||
|
|
<dd><p>Sets width of output lines to <var>width</var>.
|
||
|
|
Currently only used when printing the function index at the bottom
|
||
|
|
of the call graph.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>-x</code></dt>
|
||
|
|
<dt><code>--all-lines</code></dt>
|
||
|
|
<dd><p>This option affects annotated source output only.
|
||
|
|
By default, only the lines at the beginning of a basic-block
|
||
|
|
are annotated. If this option is specified, every line in
|
||
|
|
a basic-block is annotated by repeating the annotation for the
|
||
|
|
first line. This behavior is similar to <code>tcov</code>’s ‘<samp>-a</samp>’.
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
<dt><code>--demangle[=<var>style</var>]</code></dt>
|
||
|
|
<dt><code>--no-demangle</code></dt>
|
||
|
|
<dd><p>These options control whether C++ symbol names should be demangled when
|
||
|
|
printing output. The default is to demangle symbols. The
|
||
|
|
<code>--no-demangle</code> option may be used to turn off demangling. Different
|
||
|
|
compilers have different mangling styles. The optional demangling style
|
||
|
|
argument can be used to choose an appropriate demangling style for your
|
||
|
|
compiler.
|
||
|
|
</p></dd>
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
<hr>
|
||
|
|
<div class="header">
|
||
|
|
<p>
|
||
|
|
Next: <a href="Analysis-Options.html#Analysis-Options" accesskey="n" rel="next">Analysis Options</a>, Up: <a href="Invoking.html#Invoking" accesskey="u" rel="up">Invoking</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|