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