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+<td><h1>CodeIgniter User Guide Version 2.0.2</h1></td>
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+Profiling Your Application
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+
+
+<h1>Profiling Your Application</h1>
+
+<p>The Profiler Class will display benchmark results, queries you have run, and $_POST data at the bottom of your pages.
+This information can be useful during development in order to help with debugging and optimization.</p>
+
+
+<h2>Initializing the Class</h2>
+
+<p class="important"><strong>Important:</strong> This class does <kbd>NOT</kbd> need to be initialized. It is loaded automatically by the
+<a href="../libraries/output.html">Output Class</a> if profiling is enabled as shown below.</p>
+
+<h2>Enabling the Profiler</h2>
+
+ <p>To enable the profiler place the following function anywhere within your <a href="controllers.html">Controller</a> functions:</p>
+ <code>$this->output->enable_profiler(TRUE);</code>
+
+ <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>
+ <code>$this->output->enable_profiler(FALSE);</code>
+
+
+<h2>Setting Benchmark Points</h2>
+
+ <p>In order for the Profiler to compile and display your benchmark data you must name your mark points using specific syntax.</p>
+
+ <p>Please read the information on setting Benchmark points in <a href="../libraries/benchmark.html">Benchmark Class</a> page.</p>
+
+
+<h2>Enabling and Disabling Profiler Sections</h2>
+
+ <p>Each section of Profiler data can be enabled or disabled by setting a corresponding config variable to <var>TRUE</var> or <var>FALSE</var>. This can be done one of two ways. First, you can set application wide defaults with the <dfn>application/config/profiler.php</dfn> config file.</p>
+
+ <code>$config['config'] = FALSE;<br />
+ $config['queries'] = FALSE;<br /></code>
+
+ <p>In your controllers, you can override the defaults and config file values by calling the <kbd>set_profiler_sections()</kbd> method of the <a href="../libraries/output.html">Output class</a>:</p>
+
+ <code>$sections = array(<br />
+ 'config' => TRUE,<br />
+ 'queries' => TRUE<br />
+ );<br />
+ <br />
+ $this->output->set_profiler_sections($sections);</code>
+
+ <p>Available sections and the array key used to access them are described in the table below.</p>
+
+ <table cellpadding="0" cellspacing="1" border="0" style="width:100%" class="tableborder">
+ <tr>
+ <th>Key</th>
+ <th>Description</th>
+ <th>Default</th>
+ </tr><tr>
+
+ <td class="td"><strong>benchmarks</strong></td>
+ <td class="td">Elapsed time of Benchmark points and total execution time</td>
+ <td class="td">TRUE</td>
+ </tr><tr>
+
+ <td class="td"><strong>config</strong></td>
+ <td class="td">CodeIgniter Config variables</td>
+ <td class="td">TRUE</td>
+ </tr><tr>
+
+ <td class="td"><strong>controller_info</strong></td>
+ <td class="td">The Controller class and method requested</td>
+ <td class="td">TRUE</td>
+ </tr><tr>
+
+ <td class="td"><strong>get</strong></td>
+ <td class="td">Any GET data passed in the request</td>
+ <td class="td">TRUE</td>
+ </tr><tr>
+
+ <td class="td"><strong>http_headers</strong></td>
+ <td class="td">The HTTP headers for the current request</td>
+ <td class="td">TRUE</td>
+ </tr><tr>
+
+ <td class="td"><strong>memory_usage</strong></td>
+ <td class="td">Amount of memory consumed by the current request, in bytes</td>
+ <td class="td">TRUE</td>
+ </tr><tr>
+
+ <td class="td"><strong>post</strong></td>
+ <td class="td">Any POST data passed in the request</td>
+ <td class="td">TRUE</td>
+ </tr><tr>
+
+ <td class="td"><strong>queries</strong></td>
+ <td class="td">Listing of all database queries executed, including execution time</td>
+ <td class="td">TRUE</td>
+ </tr><tr>
+
+ <td class="td"><strong>uri_string</strong></td>
+ <td class="td">The URI of the current request</td>
+ <td class="td">TRUE</td>
+ </tr><tr>
+ </table>
+
+
+</div>
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+
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