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  <div class="section" id="customstacktrace">
<h1>CustomStackTrace<a class="headerlink" href="#customstacktrace" title="Permalink to this headline"></a></h1>
<div class="section" id="class-customstacktrace">
<h2>class CustomStackTrace<a class="headerlink" href="#class-customstacktrace" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt>
<span class="target" id="paddleclasspaddle_1_1CustomStackTrace"></span><em class="property">template </em>&lt;<em class="property">typename</em> T&gt;</dt>
<dt id="_CPPv2N6paddle16CustomStackTraceE">
<span id="paddle::CustomStackTrace"></span><em class="property">class </em><code class="descclassname">paddle::</code><code class="descname">CustomStackTrace</code><a class="headerlink" href="#_CPPv2N6paddle16CustomStackTraceE" title="Permalink to this definition"></a></dt>
<dd><p>A ThreadLocal stack for tracing train/test process. (More details of ThreadLocal can be find in the comments of ThreadLocal class.)</p>
<p>For example.  <div class="highlight-python"><div class="highlight"><pre><span></span>paddle::CustomStackTrace&lt;std::string&gt; stack;
PASS_TEST=0;
for (auto&amp; layer : layers){
  stack.push(layer-&gt;getName());
  layer-&gt;forward(passType);
}
for (auto&amp; layer : layers){
  layer-&gt;backward(passType);
  stack.pop(layer-&gt;getName());
}

if(passType == PASS_TEST) {
  stack.clear();
}
else {
  stack.dump([](const std::string&amp; layername){
    LOG(INFO) &lt;&lt; &quot;LayerName: &quot; &lt;&lt; layername;
  })
}
</pre></div>
</div>
</p>
<div class="breathe-sectiondef container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle16CustomStackTrace3popERK1T">
<span id="paddle::CustomStackTrace::pop__TCR"></span><span class="target" id="paddleclasspaddle_1_1CustomStackTrace_1a909f7e09c7b2a72231f05901f875164e"></span>void <code class="descname">pop</code><span class="sig-paren">(</span><em class="property">const</em> T &amp;<em>ip</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle16CustomStackTrace3popERK1T" title="Permalink to this definition"></a></dt>
<dd><p>Pop out an item from the top of the stack. For safety the item will be poped should equal to ip. </p>
</dd></dl>

<dl class="function">
<dt>
<em class="property">template </em>&lt;<em class="property">typename</em> Callback&gt;</dt>
<dt id="_CPPv2N6paddle16CustomStackTrace4dumpE8Callback">
<span id="paddle::CustomStackTrace::dump__Callback"></span><span class="target" id="paddleclasspaddle_1_1CustomStackTrace_1aa7d21ed7ba9663459026e94058da9278"></span>void <code class="descname">dump</code><span class="sig-paren">(</span>Callback <em>callback</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle16CustomStackTrace4dumpE8Callback" title="Permalink to this definition"></a></dt>
<dd><p>Empty the stack by sequence from top to button. </p>
<p><dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last">
<li><code class="first docutils literal"><span class="pre">callback</span></code> - <p>A function deal with each item while dumping. It must have and only have a in parameter which is the stack item. </p>
</li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle16CustomStackTrace5clearEv">
<span id="paddle::CustomStackTrace::clear"></span><span class="target" id="paddleclasspaddle_1_1CustomStackTrace_1af2c8f589407dc9b154c0b23d13547308"></span>void <code class="descname">clear</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle16CustomStackTrace5clearEv" title="Permalink to this definition"></a></dt>
<dd><p>Only empty the stack. </p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle16CustomStackTrace4pushERK1T">
<span id="paddle::CustomStackTrace::push__TCR"></span><span class="target" id="paddleclasspaddle_1_1CustomStackTrace_1aff95af48dce604eb7006401cbce54459"></span>void <code class="descname">push</code><span class="sig-paren">(</span><em class="property">const</em> T &amp;<em>ip</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle16CustomStackTrace4pushERK1T" title="Permalink to this definition"></a></dt>
<dd><p>Push item ip to the top of the stack. </p>
</dd></dl>

</div>
</dd></dl>

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<li><a class="reference internal" href="#">CustomStackTrace</a><ul>
<li><a class="reference internal" href="#class-customstacktrace">class CustomStackTrace</a></li>
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