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Profiler.html
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Profiler.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html xmlns:yui="http://yuilibrary.com/rdf/1.0/yui.rdf#">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>API: profiler Profiler (YUI Library)</title>
<link rel="stylesheet" type="text/css" href="assets/reset-fonts-grids-min.css" />
<link rel="stylesheet" type="text/css" href="assets/api.css" />
<script type="text/javascript" src="assets/api-js"></script>
<script type="text/javascript" src="assets/ac-js"></script>
</head>
<body id="yahoo-com">
<div id="doc3" class="yui-t2">
<div id="hd">
<h1><a href="http://developer.yahoo.com/yui/" title="Yahoo! UI Library">Yahoo! UI Library</a></h1>
<h3>profiler <span class="subtitle">3.0.0</span></h3>
<a href="./index.html" title="Yahoo! UI Library">Yahoo! UI Library</a>
> <a href="./module_profiler.html" title="profiler">profiler</a>
> Profiler
<form onsubmit="return false">
<div id="propertysearch">
Search: <input autocomplete="off" id="searchinput" />
<div id="searchresults">
</div>
</div>
</form>
</div>
<div id="bd">
<div id="yui-main">
<div class="yui-b">
<form action="#" name="yui-classopts-form" method="get" id="yui-classopts-form">
<fieldset>
<legend>Filters</legend>
<span class="classopts"><input type="checkbox" name="show_private" id="show_private" /> <label for="show_private">Show Private</label></span>
<span class="classopts"><input type="checkbox" name="show_protected" id="show_protected" /> <label for="show_protected">Show Protected</label></span>
<span class="classopts"><input type="checkbox" name="show_deprecated" id="show_deprecated" /> <label for="show_deprecated">Show Deprecated</label></span>
</fieldset>
</form>
<h2>
<code>static</code>
Class <b property="yui:name">Profiler</b>
<span class="extends">
</span>
</h2>
<!-- class tree goes here -->
<div class="summary description" property="yui:description">
Profiles functions in JavaScript.
</div>
<div rel="yui:properties" resource="#properties">
</div>
<div rel="yui:methods" resource="#methods">
<div class="section method details">
<h3 id="methods">Methods</h3>
<div class="content">
<div class="" rel="yui:method" resource="#method_clear">
<h4>
<a name="method_clear">clear</a></h4>
<div class="detail" >
<code>
static
Void
<strong property="yui:name">clear</strong>
(
name
)
</code>
<div class="description" property="yui:description">
Removes all report data from the profiler.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> (Optional) The name of the report to clear. If
omitted, then all report data is cleared.</span>
</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_getAverage">
<h4>
<a name="method_getAverage">getAverage</a></h4>
<div class="detail" >
<code>
static
float
<strong property="yui:name">getAverage</strong>
(
name
)
</code>
<div class="description" property="yui:description">
Returns the average amount of time (in milliseconds) that the function
with the given name takes to execute.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the function whose data should be returned.
If an object type method, it should be 'constructor.prototype.methodName';
a normal object method would just be 'object.methodName'.</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
float
</code></dt>
<dd property="yui:returnInfo">The average time it takes the function to execute.</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_getCallCount">
<h4>
<a name="method_getCallCount">getCallCount</a></h4>
<div class="detail" >
<code>
static
int
<strong property="yui:name">getCallCount</strong>
(
name
)
</code>
<div class="description" property="yui:description">
Returns the number of times that the given function has been called.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the function whose data should be returned.</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
int
</code></dt>
<dd property="yui:returnInfo">The number of times the function was called.</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_getFullReport">
<h4>
<a name="method_getFullReport">getFullReport</a></h4>
<div class="detail" >
<code>
static
Object
<strong property="yui:name">getFullReport</strong>
(
)
</code>
<div class="description" property="yui:description">
Returns an object containing profiling data for all of the functions
that were profiled. The object has an entry for each function and
returns all information (min, max, average, calls, etc.) for each
function.
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
Object
</code></dt>
<dd property="yui:returnInfo">An object containing all profile data.</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class=" deprecated" rel="yui:method" resource="#method_getFunctionReport">
<h4>
<a name="method_getFunctionReport">getFunctionReport</a></h4>
<div class="detail" >
<code>
static
Object
<strong property="yui:name">getFunctionReport</strong>
(
)
</code>
<div class="description" property="yui:description">
Returns an object containing profiling data for a single function.
The object has an entry for min, max, avg, calls, and points).
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
Object
</code></dt>
<dd property="yui:returnInfo">An object containing profile data for a given function.</dd>
</dl>
<div class="deprecated">
<strong>Deprecated</strong> Use getReport() instead.
</div>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_getMax">
<h4>
<a name="method_getMax">getMax</a></h4>
<div class="detail" >
<code>
static
float
<strong property="yui:name">getMax</strong>
(
name
)
</code>
<div class="description" property="yui:description">
Returns the maximum amount of time (in milliseconds) that the function
with the given name takes to execute.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the function whose data should be returned.
If an object type method, it should be 'constructor.prototype.methodName';
a normal object method would just be 'object.methodName'.</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
float
</code></dt>
<dd property="yui:returnInfo">The maximum time it takes the function to execute.</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_getMin">
<h4>
<a name="method_getMin">getMin</a></h4>
<div class="detail" >
<code>
static
float
<strong property="yui:name">getMin</strong>
(
name
)
</code>
<div class="description" property="yui:description">
Returns the minimum amount of time (in milliseconds) that the function
with the given name takes to execute.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the function whose data should be returned.
If an object type method, it should be 'constructor.prototype.methodName';
a normal object method would just be 'object.methodName'.</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
float
</code></dt>
<dd property="yui:returnInfo">The minimum time it takes the function to execute.</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_getOriginal">
<h4>
<a name="method_getOriginal">getOriginal</a></h4>
<div class="detail" >
<code>
static
Function|Object
<strong property="yui:name">getOriginal</strong>
(
name
)
</code>
<div class="description" property="yui:description">
Returns the uninstrumented version of a function/object.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the function/object to retrieve.</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
Function|Object
</code></dt>
<dd property="yui:returnInfo">The uninstrumented version of a function/object.</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_getReport">
<h4>
<a name="method_getReport">getReport</a></h4>
<div class="detail" >
<code>
static
Object
<strong property="yui:name">getReport</strong>
(
)
</code>
<div class="description" property="yui:description">
Returns an object containing profiling data for a single function.
The object has an entry for min, max, avg, calls, and points).
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
Object
</code></dt>
<dd property="yui:returnInfo">An object containing profile data for a given function.</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_instrument">
<h4>
<a name="method_instrument">instrument</a></h4>
<div class="detail" >
<code>
static
Function
<strong property="yui:name">instrument</strong>
(
name
,
method
)
</code>
<div class="description" property="yui:description">
Instruments a method to have profiling calls.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the report for the function.</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">method</span>
<<span property="yui:type">Function</span>>
</code>
<span property="yui:description"> The function to instrument.</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
Function
</code></dt>
<dd property="yui:returnInfo">An instrumented version of the function.</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_pause">
<h4>
<a name="method_pause">pause</a></h4>
<div class="detail" >
<code>
static
Void
<strong property="yui:name">pause</strong>
(
name
)
</code>
<div class="description" property="yui:description">
Pauses profiling information for a given name.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the data point.</span>
</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_registerConstructor">
<h4>
<a name="method_registerConstructor">registerConstructor</a></h4>
<div class="detail" >
<code>
static
Void
<strong property="yui:name">registerConstructor</strong>
(
name
,
owner
)
</code>
<div class="description" property="yui:description">
Sets up a constructor for profiling, including all properties and methods on the prototype.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">string</span>>
</code>
<span property="yui:description"> The fully-qualified name of the function including namespace information.</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">owner</span>
<<span property="yui:type">Object</span>>
</code>
<span property="yui:description"> (Optional) The object that owns the function (namespace or containing object).</span>
</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_registerFunction">
<h4>
<a name="method_registerFunction">registerFunction</a></h4>
<div class="detail" >
<code>
static
Void
<strong property="yui:name">registerFunction</strong>
(
name
,
owner
,
registerPrototype
)
</code>
<div class="description" property="yui:description">
Sets up a function for profiling. It essentially overwrites the function with one
that has instrumentation data. This method also creates an entry for the function
in the profile report. The original function is stored on the container object.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The full name of the function including namespacing. This
is the name of the function that is stored in the report.</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">owner</span>
<<span property="yui:type">Object</span>>
</code>
<span property="yui:description"> (Optional) The object that owns the function. If the function
isn't global then this argument is required. This could be the namespace that
the function belongs to or the object on which it's
a method.</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">registerPrototype</span>
<<span property="yui:type">Boolean</span>>
</code>
<span property="yui:description"> (Optional) Indicates that the prototype should
also be instrumented. Setting to true has the same effect as calling
registerConstructor().</span>
</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_registerObject">
<h4>
<a name="method_registerObject">registerObject</a></h4>
<div class="detail" >
<code>
static
Void
<strong property="yui:name">registerObject</strong>
(
name
,
owner
,
recurse
)
</code>
<div class="description" property="yui:description">
Sets up an object for profiling. It takes the object and looks for functions.
When a function is found, registerMethod() is called on it. If set to recrusive
mode, it will also setup objects found inside of this object for profiling,
using the same methodology.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the object to profile (shows up in report).</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">owner</span>
<<span property="yui:type">Object</span>>
</code>
<span property="yui:description"> (Optional) The object represented by the name.</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">recurse</span>
<<span property="yui:type">Boolean</span>>
</code>
<span property="yui:description"> (Optional) Determines if subobject methods are also profiled.</span>
</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_start">
<h4>
<a name="method_start">start</a></h4>
<div class="detail" >
<code>
static
Void
<strong property="yui:name">start</strong>
(
name
)
</code>
<div class="description" property="yui:description">
Start profiling information for a given name. The name cannot be the name
of a registered function or object. This is used to start timing for a
particular block of code rather than instrumenting the entire function.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the data point.</span>
</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_stop">
<h4>
<a name="method_stop">stop</a></h4>
<div class="detail" >
<code>
static
Void
<strong property="yui:name">stop</strong>
(
name
)
</code>
<div class="description" property="yui:description">
Stops profiling information for a given name.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the data point.</span>
</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_unregisterFunction">
<h4>
<a name="method_unregisterFunction">unregisterFunction</a></h4>
<div class="detail" >
<code>
static
Void
<strong property="yui:name">unregisterFunction</strong>
(
name
)
</code>
<div class="description" property="yui:description">
Removes a constructor function from profiling. Reverses the registerConstructor() method.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The full name of the function including namespacing. This
is the name of the function that is stored in the report.</span>
</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_unregisterObject">
<h4>
<a name="method_unregisterObject">unregisterObject</a></h4>
<div class="detail" >
<code>
static
Void
<strong property="yui:name">unregisterObject</strong>
(
name
,
recurse
)
</code>
<div class="description" property="yui:description">
Unregisters an object for profiling. It takes the object and looks for functions.
When a function is found, unregisterMethod() is called on it. If set to recrusive
mode, it will also unregister objects found inside of this object,
using the same methodology.
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">name</span>
<<span property="yui:type">String</span>>
</code>
<span property="yui:description"> The name of the object to unregister.</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">recurse</span>
<<span property="yui:type">Boolean</span>>
</code>
<span property="yui:description"> (Optional) Determines if subobject methods should also be
unregistered.</span>
</dd>
</dl>
</div>
</div>
<hr />
</div>
</div>
</div>
</div>
<div rel="yui:events" resource="#events">