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<div class="mapi-docs">
<h2>Counters</h2>
<p />Counters is a Mono API for flexible statistics collection
and is used to track different events inside the JIT.
<p />You would typically register an address with the
<tt>mono_counters_register</tt> routine and increment the
counters from your application as you go. At the end of the
program you would call mono_counters_dump which will display
all the registered counters.
<p />If you need more complicated counter computation, a
function can be provided instead of an address. In that case
the <tt>MONO_COUNTER_CALLBACK</tt> flag must be ored in the
type request.
<p />The types that can be rendered are:
<pre>
MONO_COUNTER_INT
MONO_COUNTER_UINT
MONO_COUNTER_WORD
MONO_COUNTER_LONG
MONO_COUNTER_ULONG
MONO_COUNTER_DOUBLE
MONO_COUNTER_STRING
</pre>
<p />To organize the output, you register also a section where
the counter will be displayed, or one of the following values
when you register your counter:
<pre>
MONO_COUNTER_JIT
MONO_COUNTER_GC
MONO_COUNTER_METADATA
MONO_COUNTER_GENERICS
MONO_COUNTER_SECURITY
</pre>
<a name="api:mono_counters_dump"></a>
<div class="mapi">
<div class="mapi-entry "><code>mono_counters_dump</code></div>
<div class="mapi-height-container">
<div class="mapi-ptr-container"></div>
<div class="mapi-description">
<div class="mapi-ptr"></div>
<div class="mapi-declaration mapi-section">Syntax</div>
<div class="mapi-prototype">void
mono_counters_dump (int section_mask, FILE *outfile)
</div>
<p />
<div class="mapi-section">Parameters</div>
<table class="mapi-parameters"><tbody><tr><td><i>section_mask</i></td><td> The sections to dump counters for</td></tr><tr><td><i>outfile</i></td><td> a FILE to dump the results to; <code>NULL</code> will default to g_print</td></tr></tbody></table> <div class="mapi-section">Description</div>
<div>
Displays the counts of all the enabled counters registered.
To filter by variance, you can OR one or more variance with the specific section you want.
Use <code>MONO_COUNTER_SECTION_MASK</code> to dump all categories of a specific variance.</div>
</div><!--mapi-description -->
</div><!--height container -->
</div> <!-- class=mapi -->
<a name="api:mono_counters_enable"></a>
<div class="mapi">
<div class="mapi-entry "><code>mono_counters_enable</code></div>
<div class="mapi-height-container">
<div class="mapi-ptr-container"></div>
<div class="mapi-description">
<div class="mapi-ptr"></div>
<div class="mapi-declaration mapi-section">Syntax</div>
<div class="mapi-prototype">void
mono_counters_enable (int section_mask)
</div>
<p />
<div class="mapi-section">Parameters</div>
<table class="mapi-parameters"><tbody><tr><td><i>sectionmask</i></td><td> a mask listing the sections that will be displayed</td></tr></tbody></table> <div class="mapi-section">Description</div>
<div>
This is used to track which counters will be displayed.</div>
</div><!--mapi-description -->
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