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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=iso-8859-1">
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<title>Dictionary file and trace activation</title>
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<link href="../../book.css" type="text/css" rel="stylesheet"></head>
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<body>
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<h2>Dictionary file and trace activation</h2>
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<p>Trace activation is a way of generating specific trace data that is
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relevant for your components. This reduces the amount of traces listed
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on the TraceViewer user interface.</p>
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<p>All the traces that come from various components on the device are
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first passed onto a trace handler, called TraceCore. TraceCore then determines
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which traces should be handed over to the PC and which ones should not. TraceCore
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only passes on those traces that have been activated and ignores the rest.
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</p>
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<p>To activate and deactivate traces that are in the Open System Trace
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(OST) format, you must first define the used <i>Dictionary file</i>. </p>
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<p>Dictionary files are XML files that are usually available in your development
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environment. They are automatically re-generated every time Trace Compiler
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is run. This usually happens when you compile a component that contains Open
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System Trace (OST) traces. Dictionary files can normally be found from the <i>
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\epoc32\ost_dictionaries</i> directory under your Software Development Kit
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(SDK).</p>
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<h5>Related tasks</h5>
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<ul>
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<li><a href="../tasks/traceactivation.htm">Activating traces</a></li>
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<li><a href="../tasks/decoding_traces.htm">Decoding binary traces with a Dictionary file</a></li>
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</ul>
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<h5>Related concepts</h5>
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<ul>
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<li><a href="trace_format.htm">Trace formats</a></li>
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</ul>
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<div id="footer">Copyright © 2007-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
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License: <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.</div>
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</body>
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</html> |