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| author | Andrey Andreev <narf@devilix.net> | 2019-09-19 14:08:45 +0200 |
|---|---|---|
| committer | Andrey Andreev <narf@devilix.net> | 2019-09-19 14:08:45 +0200 |
| commit | b73eb19aed66190c10c9cad476da7c36c271d6dc (patch) | |
| tree | b3d5d4f960569c30701934416d6d51628bde81a7 /user_guide/general/profiling.html | |
| parent | 6e052d80b95b9332ed592cdc3431b5f9dc8dd250 (diff) | |
[ci skip] 3.1.11 release
Diffstat (limited to 'user_guide/general/profiling.html')
| -rw-r--r-- | user_guide/general/profiling.html | 624 |
1 files changed, 624 insertions, 0 deletions
diff --git a/user_guide/general/profiling.html b/user_guide/general/profiling.html new file mode 100644 index 000000000..5232eb8b7 --- /dev/null +++ b/user_guide/general/profiling.html @@ -0,0 +1,624 @@ + + +<!DOCTYPE html> +<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> +<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + + <title>Profiling Your Application — CodeIgniter 3.1.11 documentation</title> + + + + + <link rel="shortcut icon" href="../_static/ci-icon.ico"/> + + + + <link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700&subset=latin,cyrillic' rel='stylesheet' type='text/css'> + + + + + + + + + + <link rel="stylesheet" href="../_static/css/citheme.css" type="text/css" /> + + + + <link rel="index" title="Index" + href="../genindex.html"/> + <link rel="search" 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href="../contributing/index.html">Contributing to CodeIgniter</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li> +<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s Certificate of Origin 1.1</a></li> +</ul> +</li> +</ul> +<ul class="current"> +<li class="toctree-l1 current"><a class="reference internal" href="index.html">General Topics</a><ul class="current"> +<li class="toctree-l2"><a class="reference internal" href="urls.html">CodeIgniter URLs</a></li> +<li class="toctree-l2"><a class="reference internal" href="controllers.html">Controllers</a></li> +<li class="toctree-l2"><a class="reference internal" href="reserved_names.html">Reserved Names</a></li> +<li class="toctree-l2"><a class="reference internal" href="views.html">Views</a></li> +<li class="toctree-l2"><a class="reference internal" href="models.html">Models</a></li> +<li class="toctree-l2"><a class="reference internal" href="helpers.html">Helpers</a></li> +<li class="toctree-l2"><a class="reference internal" href="libraries.html">Using CodeIgniter Libraries</a></li> +<li class="toctree-l2"><a class="reference internal" href="creating_libraries.html">Creating Libraries</a></li> +<li class="toctree-l2"><a class="reference internal" href="drivers.html">Using CodeIgniter Drivers</a></li> +<li class="toctree-l2"><a class="reference internal" href="creating_drivers.html">Creating Drivers</a></li> +<li class="toctree-l2"><a class="reference internal" href="core_classes.html">Creating Core System Classes</a></li> +<li class="toctree-l2"><a class="reference internal" href="ancillary_classes.html">Creating Ancillary Classes</a></li> +<li class="toctree-l2"><a class="reference internal" href="hooks.html">Hooks - Extending the Framework Core</a></li> +<li class="toctree-l2"><a class="reference internal" href="autoloader.html">Auto-loading Resources</a></li> +<li class="toctree-l2"><a class="reference internal" href="common_functions.html">Common Functions</a></li> +<li class="toctree-l2"><a class="reference internal" href="compatibility_functions.html">Compatibility Functions</a></li> +<li class="toctree-l2"><a class="reference internal" href="routing.html">URI Routing</a></li> +<li class="toctree-l2"><a class="reference internal" href="errors.html">Error Handling</a></li> +<li class="toctree-l2"><a class="reference internal" href="caching.html">Caching</a></li> +<li class="toctree-l2 current"><a class="current reference internal" href="#">Profiling Your Application</a></li> +<li class="toctree-l2"><a class="reference internal" href="cli.html">Running via the CLI</a></li> +<li class="toctree-l2"><a class="reference internal" href="managing_apps.html">Managing your Applications</a></li> +<li class="toctree-l2"><a class="reference internal" href="environments.html">Handling Multiple Environments</a></li> +<li class="toctree-l2"><a class="reference internal" href="alternative_php.html">Alternate PHP Syntax for View Files</a></li> +<li class="toctree-l2"><a class="reference internal" href="security.html">Security</a></li> +<li class="toctree-l2"><a class="reference internal" href="styleguide.html">PHP Style Guide</a></li> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../libraries/index.html">Libraries</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../libraries/benchmark.html">Benchmarking Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/caching.html">Caching Driver</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/calendar.html">Calendaring Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/cart.html">Shopping Cart Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/config.html">Config Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/email.html">Email Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/encrypt.html">Encrypt Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/encryption.html">Encryption Library</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/file_uploading.html">File Uploading Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/form_validation.html">Form Validation</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/ftp.html">FTP Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/image_lib.html">Image Manipulation Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/input.html">Input Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/javascript.html">Javascript Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/language.html">Language Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/loader.html">Loader Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/migration.html">Migrations Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/output.html">Output Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/pagination.html">Pagination Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/parser.html">Template Parser Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/security.html">Security Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/sessions.html">Session Library</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/table.html">HTML Table Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/trackback.html">Trackback Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/typography.html">Typography Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/unit_testing.html">Unit Testing Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/uri.html">URI Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/user_agent.html">User Agent Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li> +<li class="toctree-l2"><a class="reference internal" href="../libraries/zip.html">Zip Encoding Class</a></li> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li> +<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li> +</ul> +</li> +</ul> +<ul> +<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li> +<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li> +</ul> +</li> +</ul> + + + + </div> + + </nav> + + <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> + + + <nav class="wy-nav-top" role="navigation" aria-label="top navigation"> + <i data-toggle="wy-nav-top" class="fa fa-bars"></i> + <a href="../index.html">CodeIgniter</a> + </nav> + + + + <div class="wy-nav-content"> + <div class="rst-content"> + <div role="navigation" aria-label="breadcrumbs navigation"> + <ul class="wy-breadcrumbs"> + <li><a href="../index.html">Docs</a> »</li> + + <li><a href="index.html">General Topics</a> »</li> + + <li>Profiling Your Application</li> + <li class="wy-breadcrumbs-aside"> + + </li> + <div style="float:right;margin-left:5px;" id="closeMe"> + <img title="Classic Layout" alt="classic layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" /> + </div> + </ul> + <hr/> +</div> + <div role="main" class="document"> + + <div class="section" id="profiling-your-application"> +<h1>Profiling Your Application<a class="headerlink" href="#profiling-your-application" title="Permalink to this headline">¶</a></h1> +<p>The Profiler Class will display benchmark results, queries you have run, +and <code class="docutils literal"><span class="pre">$_POST</span></code> data at the bottom of your pages. This information can be +useful during development in order to help with debugging and +optimization.</p> +<div class="section" id="initializing-the-class"> +<h2>Initializing the Class<a class="headerlink" href="#initializing-the-class" title="Permalink to this headline">¶</a></h2> +<div class="admonition important"> +<p class="first admonition-title">Important</p> +<p class="last">This class does NOT need to be initialized. It is loaded +automatically by the <a class="reference internal" href="../libraries/output.html"><span class="doc">Output Library</span></a> +if profiling is enabled as shown below.</p> +</div> +</div> +<div class="section" id="enabling-the-profiler"> +<h2>Enabling the Profiler<a class="headerlink" href="#enabling-the-profiler" title="Permalink to this headline">¶</a></h2> +<p>To enable the profiler place the following line anywhere within your +<a class="reference internal" href="controllers.html"><span class="doc">Controller</span></a> methods:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">enable_profiler</span><span class="p">(</span><span class="k">TRUE</span><span class="p">);</span> +</pre></div> +</div> +<p>When enabled a report will be generated and inserted at the bottom of +your pages.</p> +<p>To disable the profiler you will use:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">enable_profiler</span><span class="p">(</span><span class="k">FALSE</span><span class="p">);</span> +</pre></div> +</div> +</div> +<div class="section" id="setting-benchmark-points"> +<h2>Setting Benchmark Points<a class="headerlink" href="#setting-benchmark-points" title="Permalink to this headline">¶</a></h2> +<p>In order for the Profiler to compile and display your benchmark data you +must name your mark points using specific syntax.</p> +<p>Please read the information on setting Benchmark points in the +<a class="reference internal" href="../libraries/benchmark.html"><span class="doc">Benchmark Library</span></a> page.</p> +</div> +<div class="section" id="enabling-and-disabling-profiler-sections"> +<h2>Enabling and Disabling Profiler Sections<a class="headerlink" href="#enabling-and-disabling-profiler-sections" title="Permalink to this headline">¶</a></h2> +<p>Each section of Profiler data can be enabled or disabled by setting a +corresponding config variable to TRUE or FALSE. This can be done one of +two ways. First, you can set application wide defaults with the +<em>application/config/profiler.php</em> config file.</p> +<p>Example:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$config</span><span class="p">[</span><span class="s1">'config'</span><span class="p">]</span> <span class="o">=</span> <span class="k">FALSE</span><span class="p">;</span> +<span class="nv">$config</span><span class="p">[</span><span class="s1">'queries'</span><span class="p">]</span> <span class="o">=</span> <span class="k">FALSE</span><span class="p">;</span> +</pre></div> +</div> +<p>In your controllers, you can override the defaults and config file +values by calling the <code class="docutils literal"><span class="pre">set_profiler_sections()</span></code> method of the +<a class="reference internal" href="../libraries/output.html"><span class="doc">Output Library</span></a>:</p> +<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$sections</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> + <span class="s1">'config'</span> <span class="o">=></span> <span class="k">TRUE</span><span class="p">,</span> + <span class="s1">'queries'</span> <span class="o">=></span> <span class="k">TRUE</span> +<span class="p">);</span> + +<span class="nv">$this</span><span class="o">-></span><span class="na">output</span><span class="o">-></span><span class="na">set_profiler_sections</span><span class="p">(</span><span class="nv">$sections</span><span class="p">);</span> +</pre></div> +</div> +<p>Available sections and the array key used to access them are described +in the table below.</p> +<table border="1" class="docutils"> +<colgroup> +<col width="23%" /> +<col width="68%" /> +<col width="8%" /> +</colgroup> +<thead valign="bottom"> +<tr class="row-odd"><th class="head">Key</th> +<th class="head">Description</th> +<th class="head">Default</th> +</tr> +</thead> +<tbody valign="top"> +<tr class="row-even"><td><strong>benchmarks</strong></td> +<td>Elapsed time of Benchmark points and total execution time</td> +<td>TRUE</td> +</tr> +<tr class="row-odd"><td><strong>config</strong></td> +<td>CodeIgniter Config variables</td> +<td>TRUE</td> +</tr> +<tr class="row-even"><td><strong>controller_info</strong></td> +<td>The Controller class and method requested</td> +<td>TRUE</td> +</tr> +<tr class="row-odd"><td><strong>get</strong></td> +<td>Any GET data passed in the request</td> +<td>TRUE</td> +</tr> +<tr class="row-even"><td><strong>http_headers</strong></td> +<td>The HTTP headers for the current request</td> +<td>TRUE</td> +</tr> +<tr class="row-odd"><td><strong>memory_usage</strong></td> +<td>Amount of memory consumed by the current request, in bytes</td> +<td>TRUE</td> +</tr> +<tr class="row-even"><td><strong>post</strong></td> +<td>Any POST data passed in the request</td> +<td>TRUE</td> +</tr> +<tr class="row-odd"><td><strong>queries</strong></td> +<td>Listing of all database queries executed, including execution time</td> +<td>TRUE</td> +</tr> +<tr class="row-even"><td><strong>uri_string</strong></td> +<td>The URI of the current request</td> +<td>TRUE</td> +</tr> +<tr class="row-odd"><td><strong>session_data</strong></td> +<td>Data stored in the current session</td> +<td>TRUE</td> +</tr> +<tr class="row-even"><td><strong>query_toggle_count</strong></td> +<td>The number of queries after which the query block will default to +hidden.</td> +<td>25</td> +</tr> +</tbody> +</table> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">Disabling the <a class="reference internal" href="../database/configuration.html"><span class="doc">save_queries</span></a> setting in +your database configuration will also effectively disable profiling for +database queries and render the ‘queries’ setting above useless. You can +optionally override this setting with <code class="docutils literal"><span class="pre">$this->db->save_queries</span> <span class="pre">=</span> <span class="pre">TRUE;</span></code>. +Without this setting you won’t be able to view the queries or the +<cite>last_query <database/helpers></cite>.</p> +</div> +</div> +</div> + + + </div> + <footer> + + <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> + + <a href="cli.html" class="btn btn-neutral float-right" title="Running via the CLI">Next <span class="fa fa-arrow-circle-right"></span></a> + + + <a href="caching.html" class="btn btn-neutral" title="Web Page Caching"><span class="fa fa-arrow-circle-left"></span> Previous</a> + + </div> + + + <hr/> + + <div role="contentinfo"> + <p> + © Copyright 2014 - 2019, British Columbia Institute of Technology. + Last updated on Sep 19, 2019. + </p> + </div> + + Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. + +</footer> + </div> + </div> + + </section> + + </div> + + + + + + <script type="text/javascript"> + var DOCUMENTATION_OPTIONS = { + URL_ROOT:'../', + VERSION:'3.1.11', + COLLAPSE_INDEX:false, + FILE_SUFFIX:'.html', + HAS_SOURCE: false + }; + </script> + <script type="text/javascript" src="../_static/jquery.js"></script> + <script type="text/javascript" src="../_static/underscore.js"></script> + <script type="text/javascript" src="../_static/doctools.js"></script> + + + + + + <script type="text/javascript" src="../_static/js/theme.js"></script> + + + + + <script type="text/javascript"> + jQuery(function () { + SphinxRtdTheme.StickyNav.enable(); + }); + </script> + + +</body> +</html>
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