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<div class="section" id="vmoption">
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<h1>vmoption<a class="headerlink" href="#vmoption" title="永久链接至标题">¶</a></h1>
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<blockquote>
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<div><p>查看，更新VM诊断相关的参数</p>
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</div></blockquote>
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<div class="section" id="id1">
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<h2>使用参考<a class="headerlink" href="#id1" title="永久链接至标题">¶</a></h2>
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<div class="section" id="option">
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<h3>查看所有的option<a class="headerlink" href="#option" title="永久链接至标题">¶</a></h3>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">[arthas@56963]$ vmoption
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KEY VALUE ORIGIN WRITEABLE
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---------------------------------------------------------------------------------------------
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HeapDumpBeforeFullGC false DEFAULT true
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HeapDumpAfterFullGC false DEFAULT true
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HeapDumpOnOutOfMemory false DEFAULT true
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Error
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HeapDumpPath DEFAULT true
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CMSAbortablePrecleanW 100 DEFAULT true
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aitMillis
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CMSWaitDuration 2000 DEFAULT true
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CMSTriggerInterval -1 DEFAULT true
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PrintGC false DEFAULT true
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PrintGCDetails true MANAGEMENT true
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PrintGCDateStamps false DEFAULT true
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PrintGCTimeStamps false DEFAULT true
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PrintGCID false DEFAULT true
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PrintClassHistogramBe false DEFAULT true
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foreFullGC
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PrintClassHistogramAf false DEFAULT true
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terFullGC
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PrintClassHistogram false DEFAULT true
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MinHeapFreeRatio 0 DEFAULT true
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MaxHeapFreeRatio 100 DEFAULT true
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PrintConcurrentLocks false DEFAULT true</pre></div>
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</div>
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<div class="section" id="id2">
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<h3>查看指定的option<a class="headerlink" href="#id2" title="永久链接至标题">¶</a></h3>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">[arthas@56963]$ vmoption PrintGCDetails
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KEY VALUE ORIGIN WRITEABLE
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---------------------------------------------------------------------------------------------
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PrintGCDetails false MANAGEMENT true</pre></div>
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</div>
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</div>
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<div class="section" id="id3">
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<h3>更新指定的option<a class="headerlink" href="#id3" title="永久链接至标题">¶</a></h3>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">[arthas@56963]$ vmoption PrintGCDetails true
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Successfully updated the vm option.
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PrintGCDetails=true</pre></div>
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