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23 lines
832 B
XML
23 lines
832 B
XML
<?xml version="1.0"?> <!-- -*- sgml -*- -->
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<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<chapter id="nl-manual" xreflabel="Nulgrind">
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<title>Nulgrind: the "null" tool</title>
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<subtitle>A tool that does not very much at all</subtitle>
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<para>Nulgrind is the minimal tool for Valgrind. It does no
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initialisation or finalisation, and adds no instrumentation to
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the program's code. It is mainly of use for Valgrind's
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developers for debugging and regression testing.</para>
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<para>Nonetheless you can run programs with Nulgrind. They will run
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roughly 5 times more slowly than normal, for no useful effect. Note
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that you need to use the option <option>--tool=none</option> to run
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Nulgrind (ie. not <option>--tool=nulgrind</option>).</para>
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</chapter>
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