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<p>Specialised metric which exposes numeric properties from tcmalloc.
<a href="classimpala_1_1TcmallocMetric.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a>&gt;</code></p>
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Inheritance diagram for impala::TcmallocMetric:</div>
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TcmallocMetric_1_1PhysicalBytesMetric.html">PhysicalBytesMetric</a></td></tr>
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Public Member Functions</h2></td></tr>
<tr class="memitem:adb4a2106ac88ad3d3053bdafd0c40070"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TcmallocMetric.html#adb4a2106ac88ad3d3053bdafd0c40070">TcmallocMetric</a> (const std::string &amp;key, const std::string &amp;tcmalloc_var)</td></tr>
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Static Public Attributes</h2></td></tr>
<tr class="memitem:a148b4985a8a07f0ad7cb5e315d941dc9"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1TcmallocMetric.html">TcmallocMetric</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TcmallocMetric.html#a148b4985a8a07f0ad7cb5e315d941dc9">BYTES_IN_USE</a> = NULL</td></tr>
<tr class="memdesc:a148b4985a8a07f0ad7cb5e315d941dc9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Number of bytes allocated by tcmalloc, currently used by the application. <a href="#a148b4985a8a07f0ad7cb5e315d941dc9">More...</a><br/></td></tr>
<tr class="separator:a148b4985a8a07f0ad7cb5e315d941dc9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a46f56b80597552fa70adde6b194237c9"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1TcmallocMetric.html">TcmallocMetric</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TcmallocMetric.html#a46f56b80597552fa70adde6b194237c9">TOTAL_BYTES_RESERVED</a> = NULL</td></tr>
<tr class="separator:a46f56b80597552fa70adde6b194237c9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aeec026d50787e523e9686b538942d9f3"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1TcmallocMetric.html">TcmallocMetric</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TcmallocMetric.html#aeec026d50787e523e9686b538942d9f3">PAGEHEAP_FREE_BYTES</a> = NULL</td></tr>
<tr class="separator:aeec026d50787e523e9686b538942d9f3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a47f79dc02d5a7487d056b6a648667734"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1TcmallocMetric.html">TcmallocMetric</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TcmallocMetric.html#a47f79dc02d5a7487d056b6a648667734">PAGEHEAP_UNMAPPED_BYTES</a> = NULL</td></tr>
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<tr class="memitem:ad9936c17e67e289d9c2b2678de11a645"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1TcmallocMetric_1_1PhysicalBytesMetric.html">PhysicalBytesMetric</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TcmallocMetric.html#ad9936c17e67e289d9c2b2678de11a645">PHYSICAL_BYTES_RESERVED</a> = NULL</td></tr>
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Private Member Functions</h2></td></tr>
<tr class="memitem:afeffaefaeec40cb2d83e0fbaad51f786"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TcmallocMetric.html#afeffaefaeec40cb2d83e0fbaad51f786">CalculateValue</a> ()</td></tr>
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Private Attributes</h2></td></tr>
<tr class="memitem:abb195477d1dd830037217be38a9ea632"><td class="memItemLeft" align="right" valign="top">const std::string&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TcmallocMetric.html#abb195477d1dd830037217be38a9ea632">tcmalloc_var_</a></td></tr>
<tr class="memdesc:abb195477d1dd830037217be38a9ea632"><td class="mdescLeft">&#160;</td><td class="mdescRight">Name of the tcmalloc property this metric should fetch. <a href="#abb195477d1dd830037217be38a9ea632">More...</a><br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Specialised metric which exposes numeric properties from tcmalloc. </p>
<p>Definition at line <a class="el" href="memory-metrics_8h_source.html#l00032">32</a> of file <a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<td class="memname">impala::TcmallocMetric::TcmallocMetric </td>
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<td class="paramtype">const std::string &amp;&#160;</td>
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<p>Definition at line <a class="el" href="memory-metrics_8h_source.html#l00068">68</a> of file <a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">virtual void impala::TcmallocMetric::CalculateValue </td>
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<p>Definition at line <a class="el" href="memory-metrics_8h_source.html#l00075">75</a> of file <a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a>.</p>
<p>References <a class="el" href="memory-metrics_8h_source.html#l00073">tcmalloc_var_</a>.</p>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname"><a class="el" href="classimpala_1_1TcmallocMetric.html">TcmallocMetric</a> * TcmallocMetric::BYTES_IN_USE = NULL</td>
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<p>Number of bytes allocated by tcmalloc, currently used by the application. </p>
<p>Definition at line <a class="el" href="memory-metrics_8h_source.html#l00035">35</a> of file <a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a>.</p>
<p>Referenced by <a class="el" href="memory-metrics_8cc_source.html#l00034">impala::RegisterMemoryMetrics()</a>.</p>
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<p>Number of bytes reserved and still mapped by tcmalloc that are not allocated to the application. </p>
<p>Definition at line <a class="el" href="memory-metrics_8h_source.html#l00045">45</a> of file <a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a>.</p>
<p>Referenced by <a class="el" href="memory-metrics_8cc_source.html#l00034">impala::RegisterMemoryMetrics()</a>.</p>
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<p>Number of bytes once reserved by tcmalloc, but released back to the operating system so that their use incurs a pagefault. Contributes to the total amount of virtual address space used, but not to the physical memory usage. </p>
<p>Definition at line <a class="el" href="memory-metrics_8h_source.html#l00050">50</a> of file <a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a>.</p>
<p>Referenced by <a class="el" href="memory-metrics_8h_source.html#l00061">impala::TcmallocMetric::PhysicalBytesMetric::CalculateValue()</a>, and <a class="el" href="memory-metrics_8cc_source.html#l00034">impala::RegisterMemoryMetrics()</a>.</p>
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<td class="memname"><a class="el" href="classimpala_1_1TcmallocMetric_1_1PhysicalBytesMetric.html">TcmallocMetric::PhysicalBytesMetric</a> * TcmallocMetric::PHYSICAL_BYTES_RESERVED = NULL</td>
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<p>Definition at line <a class="el" href="memory-metrics_8h_source.html#l00066">66</a> of file <a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a>.</p>
<p>Referenced by <a class="el" href="memory-metrics_8cc_source.html#l00034">impala::RegisterMemoryMetrics()</a>, and <a class="el" href="exec-env_8cc_source.html#l00282">impala::ExecEnv::StartServices()</a>.</p>
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<td class="memname">const std::string impala::TcmallocMetric::tcmalloc_var_</td>
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<p>Name of the tcmalloc property this metric should fetch. </p>
<p>Definition at line <a class="el" href="memory-metrics_8h_source.html#l00073">73</a> of file <a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a>.</p>
<p>Referenced by <a class="el" href="memory-metrics_8h_source.html#l00075">CalculateValue()</a>.</p>
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<td class="memname"><a class="el" href="classimpala_1_1TcmallocMetric.html">TcmallocMetric</a> * TcmallocMetric::TOTAL_BYTES_RESERVED = NULL</td>
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<p>Number of bytes of system memory reserved by tcmalloc, including that in use by the application. Does not include what tcmalloc accounts for as 'malloc metadata' in /memz. That is, this is memory reserved by tcmalloc that the application can use. Includes unmapped virtual memory. </p>
<p>Definition at line <a class="el" href="memory-metrics_8h_source.html#l00041">41</a> of file <a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a>.</p>
<p>Referenced by <a class="el" href="memory-metrics_8h_source.html#l00061">impala::TcmallocMetric::PhysicalBytesMetric::CalculateValue()</a>, and <a class="el" href="memory-metrics_8cc_source.html#l00034">impala::RegisterMemoryMetrics()</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>be/src/util/<a class="el" href="memory-metrics_8h_source.html">memory-metrics.h</a></li>
<li>be/src/util/<a class="el" href="memory-metrics_8cc_source.html">memory-metrics.cc</a></li>
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