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<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="title">PMU Class Reference</div> </div>
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<p>Class provides access to CPU hardware counters.
<a href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="_p_m_u_8h_source.xhtml">PMU.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:af16eae86d803112e6466140aaced812b"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#af16eae86d803112e6466140aaced812b">PMU</a> ()</td></tr>
<tr class="memdesc:af16eae86d803112e6466140aaced812b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Default constructor. <a href="#af16eae86d803112e6466140aaced812b">More...</a><br /></td></tr>
<tr class="separator:af16eae86d803112e6466140aaced812b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a96bc7297c283c973784c216437bae762"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a96bc7297c283c973784c216437bae762">PMU</a> (uint64_t config)</td></tr>
<tr class="memdesc:a96bc7297c283c973784c216437bae762"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create <a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml" title="Class provides access to CPU hardware counters.">PMU</a> with specified counter. <a href="#a96bc7297c283c973784c216437bae762">More...</a><br /></td></tr>
<tr class="separator:a96bc7297c283c973784c216437bae762"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab30d96d1a047f366dd309049f139fa35"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#ab30d96d1a047f366dd309049f139fa35">~PMU</a> ()</td></tr>
<tr class="memdesc:ab30d96d1a047f366dd309049f139fa35"><td class="mdescLeft">&#160;</td><td class="mdescRight">Default destructor. <a href="#ab30d96d1a047f366dd309049f139fa35">More...</a><br /></td></tr>
<tr class="separator:ab30d96d1a047f366dd309049f139fa35"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aea0e7b23882e772db44534ca45e2c029"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:aea0e7b23882e772db44534ca45e2c029"><td class="memTemplItemLeft" align="right" valign="top">T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#aea0e7b23882e772db44534ca45e2c029">get_value</a> () const</td></tr>
<tr class="memdesc:aea0e7b23882e772db44534ca45e2c029"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the counter value. <a href="#aea0e7b23882e772db44534ca45e2c029">More...</a><br /></td></tr>
<tr class="separator:aea0e7b23882e772db44534ca45e2c029"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9f1c02afefdd48c31913e6c358422727"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a9f1c02afefdd48c31913e6c358422727">open</a> (uint64_t config)</td></tr>
<tr class="memdesc:a9f1c02afefdd48c31913e6c358422727"><td class="mdescLeft">&#160;</td><td class="mdescRight">Open the specified counter based on the default configuration. <a href="#a9f1c02afefdd48c31913e6c358422727">More...</a><br /></td></tr>
<tr class="separator:a9f1c02afefdd48c31913e6c358422727"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a576b1f78c5f05e1d9dd1ec8311f7607d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a576b1f78c5f05e1d9dd1ec8311f7607d">open</a> (const perf_event_attr &amp;perf_config)</td></tr>
<tr class="memdesc:a576b1f78c5f05e1d9dd1ec8311f7607d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Open the specified configuration. <a href="#a576b1f78c5f05e1d9dd1ec8311f7607d">More...</a><br /></td></tr>
<tr class="separator:a576b1f78c5f05e1d9dd1ec8311f7607d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5ae591df94fc66ccb85cbb6565368bca"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a5ae591df94fc66ccb85cbb6565368bca">close</a> ()</td></tr>
<tr class="memdesc:a5ae591df94fc66ccb85cbb6565368bca"><td class="mdescLeft">&#160;</td><td class="mdescRight">Close the currently open counter. <a href="#a5ae591df94fc66ccb85cbb6565368bca">More...</a><br /></td></tr>
<tr class="separator:a5ae591df94fc66ccb85cbb6565368bca"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad20897c5c8bd47f5d4005989bead0e55"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#ad20897c5c8bd47f5d4005989bead0e55">reset</a> ()</td></tr>
<tr class="memdesc:ad20897c5c8bd47f5d4005989bead0e55"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reset counter. <a href="#ad20897c5c8bd47f5d4005989bead0e55">More...</a><br /></td></tr>
<tr class="separator:ad20897c5c8bd47f5d4005989bead0e55"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Class provides access to CPU hardware counters. </p>
<p class="definition">Definition at line <a class="el" href="_p_m_u_8h_source.xhtml#l00043">43</a> of file <a class="el" href="_p_m_u_8h_source.xhtml">PMU.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="af16eae86d803112e6466140aaced812b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af16eae86d803112e6466140aaced812b">&#9670;&nbsp;</a></span>PMU() <span class="overload">[1/2]</span></h2>
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<table class="memname">
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<td class="memname"><a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml">PMU</a> </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Default constructor. </p>
<p class="definition">Definition at line <a class="el" href="_p_m_u_8cpp_source.xhtml#l00037">37</a> of file <a class="el" href="_p_m_u_8cpp_source.xhtml">PMU.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; : _perf_config()</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;{</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; _perf_config.type = PERF_TYPE_HARDWARE;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; _perf_config.size = <span class="keyword">sizeof</span>(perf_event_attr);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="comment">// Start disabled</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; _perf_config.disabled = 1;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="comment">// The inherit bit specifies that this counter should count events of child</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="comment">// tasks as well as the task specified</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; _perf_config.inherit = 1;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="comment">// Enables saving of event counts on context switch for inherited tasks</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; _perf_config.inherit_stat = 1;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;}</div></div><!-- fragment -->
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<a id="a96bc7297c283c973784c216437bae762"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a96bc7297c283c973784c216437bae762">&#9670;&nbsp;</a></span>PMU() <span class="overload">[2/2]</span></h2>
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<td class="memname"><a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml">PMU</a> </td>
<td>(</td>
<td class="paramtype">uint64_t&#160;</td>
<td class="paramname"><em>config</em></td><td>)</td>
<td></td>
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<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
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<p>Create <a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml" title="Class provides access to CPU hardware counters.">PMU</a> with specified counter. </p>
<p>This constructor automatically calls <a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a9f1c02afefdd48c31913e6c358422727">open</a> with the default configuration.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">config</td><td>Counter identifier. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="_p_m_u_8cpp_source.xhtml#l00052">52</a> of file <a class="el" href="_p_m_u_8cpp_source.xhtml">PMU.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; : <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#af16eae86d803112e6466140aaced812b">PMU</a>()</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;{</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a9f1c02afefdd48c31913e6c358422727">open</a>(config);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;}</div><div class="ttc" id="classarm__compute_1_1test_1_1framework_1_1_p_m_u_xhtml_a9f1c02afefdd48c31913e6c358422727"><div class="ttname"><a href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a9f1c02afefdd48c31913e6c358422727">arm_compute::test::framework::PMU::open</a></div><div class="ttdeci">void open(uint64_t config)</div><div class="ttdoc">Open the specified counter based on the default configuration.</div><div class="ttdef"><b>Definition:</b> <a href="_p_m_u_8cpp_source.xhtml#l00063">PMU.cpp:63</a></div></div>
<div class="ttc" id="classarm__compute_1_1test_1_1framework_1_1_p_m_u_xhtml_af16eae86d803112e6466140aaced812b"><div class="ttname"><a href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#af16eae86d803112e6466140aaced812b">arm_compute::test::framework::PMU::PMU</a></div><div class="ttdeci">PMU()</div><div class="ttdoc">Default constructor.</div><div class="ttdef"><b>Definition:</b> <a href="_p_m_u_8cpp_source.xhtml#l00037">PMU.cpp:37</a></div></div>
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<p class="reference">References <a class="el" href="_p_m_u_8cpp_source.xhtml#l00063">PMU::open()</a>.</p>
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<a id="ab30d96d1a047f366dd309049f139fa35"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab30d96d1a047f366dd309049f139fa35">&#9670;&nbsp;</a></span>~PMU()</h2>
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<td class="memname">~<a class="el" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml">PMU</a> </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Default destructor. </p>
<p class="definition">Definition at line <a class="el" href="_p_m_u_8cpp_source.xhtml#l00058">58</a> of file <a class="el" href="_p_m_u_8cpp_source.xhtml">PMU.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;{</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a5ae591df94fc66ccb85cbb6565368bca">close</a>();</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;}</div><div class="ttc" id="classarm__compute_1_1test_1_1framework_1_1_p_m_u_xhtml_a5ae591df94fc66ccb85cbb6565368bca"><div class="ttname"><a href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a5ae591df94fc66ccb85cbb6565368bca">arm_compute::test::framework::PMU::close</a></div><div class="ttdeci">void close()</div><div class="ttdoc">Close the currently open counter.</div><div class="ttdef"><b>Definition:</b> <a href="_p_m_u_8cpp_source.xhtml#l00083">PMU.cpp:83</a></div></div>
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<p class="reference">References <a class="el" href="_p_m_u_8cpp_source.xhtml#l00083">PMU::close()</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="a5ae591df94fc66ccb85cbb6565368bca"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5ae591df94fc66ccb85cbb6565368bca">&#9670;&nbsp;</a></span>close()</h2>
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<td class="memname">void close </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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</div><div class="memdoc">
<p>Close the currently open counter. </p>
<p class="definition">Definition at line <a class="el" href="_p_m_u_8cpp_source.xhtml#l00083">83</a> of file <a class="el" href="_p_m_u_8cpp_source.xhtml">PMU.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;{</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">if</span>(_fd != -1)</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a5ae591df94fc66ccb85cbb6565368bca">::close</a>(_fd);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; _fd = -1;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; }</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;}</div><div class="ttc" id="classarm__compute_1_1test_1_1framework_1_1_p_m_u_xhtml_a5ae591df94fc66ccb85cbb6565368bca"><div class="ttname"><a href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a5ae591df94fc66ccb85cbb6565368bca">arm_compute::test::framework::PMU::close</a></div><div class="ttdeci">void close()</div><div class="ttdoc">Close the currently open counter.</div><div class="ttdef"><b>Definition:</b> <a href="_p_m_u_8cpp_source.xhtml#l00083">PMU.cpp:83</a></div></div>
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<p class="reference">Referenced by <a class="el" href="_p_m_u_8cpp_source.xhtml#l00058">PMU::~PMU()</a>.</p>
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<a id="aea0e7b23882e772db44534ca45e2c029"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aea0e7b23882e772db44534ca45e2c029">&#9670;&nbsp;</a></span>get_value()</h2>
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<td class="memname">T get_value </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Get the counter value. </p>
<dl class="section return"><dt>Returns</dt><dd>Counter value casted to the specified type. </dd></dl>
<p class="definition">Definition at line <a class="el" href="_p_m_u_8h_source.xhtml#l00091">91</a> of file <a class="el" href="_p_m_u_8h_source.xhtml">PMU.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;{</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; T value{};</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keyword">const</span> ssize_t result = read(_fd, &amp;value, <span class="keyword">sizeof</span>(T));</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordflow">if</span>(result == -1)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Can&#39;t get PMU counter value: %d&quot;</span>, errno);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">return</span> value;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;}</div><div class="ttc" id="_error_8h_xhtml_a05b19c75afe9c24200a62b9724734bbd"><div class="ttname"><a href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR(...)</div><div class="ttdoc">Print the given message then throw an std::runtime_error.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00261">Error.h:261</a></div></div>
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<p class="reference">Referenced by <a class="el" href="_p_m_u_counter_8cpp_source.xhtml#l00043">PMUCounter::stop()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9f1c02afefdd48c31913e6c358422727">&#9670;&nbsp;</a></span>open() <span class="overload">[1/2]</span></h2>
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<td class="memname">void open </td>
<td>(</td>
<td class="paramtype">uint64_t&#160;</td>
<td class="paramname"><em>config</em></td><td>)</td>
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<p>Open the specified counter based on the default configuration. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">config</td><td>The default configuration. </td></tr>
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</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="_p_m_u_8cpp_source.xhtml#l00063">63</a> of file <a class="el" href="_p_m_u_8cpp_source.xhtml">PMU.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;{</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; _perf_config.config = config;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a9f1c02afefdd48c31913e6c358422727">open</a>(_perf_config);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;}</div><div class="ttc" id="classarm__compute_1_1test_1_1framework_1_1_p_m_u_xhtml_a9f1c02afefdd48c31913e6c358422727"><div class="ttname"><a href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a9f1c02afefdd48c31913e6c358422727">arm_compute::test::framework::PMU::open</a></div><div class="ttdeci">void open(uint64_t config)</div><div class="ttdoc">Open the specified counter based on the default configuration.</div><div class="ttdef"><b>Definition:</b> <a href="_p_m_u_8cpp_source.xhtml#l00063">PMU.cpp:63</a></div></div>
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<p class="reference">Referenced by <a class="el" href="_p_m_u_8cpp_source.xhtml#l00052">PMU::PMU()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a576b1f78c5f05e1d9dd1ec8311f7607d">&#9670;&nbsp;</a></span>open() <span class="overload">[2/2]</span></h2>
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<td class="memname">void open </td>
<td>(</td>
<td class="paramtype">const perf_event_attr &amp;&#160;</td>
<td class="paramname"><em>perf_config</em></td><td>)</td>
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<p>Open the specified configuration. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">perf_config</td><td>The specified configuration. </td></tr>
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</dd>
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<p class="definition">Definition at line <a class="el" href="_p_m_u_8cpp_source.xhtml#l00069">69</a> of file <a class="el" href="_p_m_u_8cpp_source.xhtml">PMU.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;{</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="comment">// Measure this process/thread (+ children) on any CPU</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; _fd = syscall(__NR_perf_event_open, &amp;perf_config, 0, -1, -1, 0);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <a class="code" href="_error_8h.xhtml#a5bbdcf574d3f5e412fa6a1117911e67b">ARM_COMPUTE_ERROR_ON_MSG</a>(_fd &lt; 0, <span class="stringliteral">&quot;perf_event_open failed&quot;</span>);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> result = ioctl(_fd, PERF_EVENT_IOC_ENABLE, 0);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">if</span>(result == -1)</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; {</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Failed to enable PMU counter: %d&quot;</span>, errno);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; }</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;}</div><div class="ttc" id="_error_8h_xhtml_a05b19c75afe9c24200a62b9724734bbd"><div class="ttname"><a href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR(...)</div><div class="ttdoc">Print the given message then throw an std::runtime_error.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00261">Error.h:261</a></div></div>
<div class="ttc" id="_error_8h_xhtml_a5bbdcf574d3f5e412fa6a1117911e67b"><div class="ttname"><a href="_error_8h.xhtml#a5bbdcf574d3f5e412fa6a1117911e67b">ARM_COMPUTE_ERROR_ON_MSG</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON_MSG(cond,...)</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00328">Error.h:328</a></div></div>
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<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00261">ARM_COMPUTE_ERROR</a>, and <a class="el" href="_error_8h_source.xhtml#l00328">ARM_COMPUTE_ERROR_ON_MSG</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad20897c5c8bd47f5d4005989bead0e55">&#9670;&nbsp;</a></span>reset()</h2>
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<td class="memname">void reset </td>
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<p>Reset counter. </p>
<p class="definition">Definition at line <a class="el" href="_p_m_u_8cpp_source.xhtml#l00092">92</a> of file <a class="el" href="_p_m_u_8cpp_source.xhtml">PMU.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;{</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> result = ioctl(_fd, PERF_EVENT_IOC_RESET, 0);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">if</span>(result == -1)</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Failed to reset PMU counter: %d&quot;</span>, errno);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; }</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;}</div><div class="ttc" id="_error_8h_xhtml_a05b19c75afe9c24200a62b9724734bbd"><div class="ttname"><a href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR(...)</div><div class="ttdoc">Print the given message then throw an std::runtime_error.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00261">Error.h:261</a></div></div>
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<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00261">ARM_COMPUTE_ERROR</a>.</p>
<p class="reference">Referenced by <a class="el" href="_p_m_u_counter_8cpp_source.xhtml#l00037">PMUCounter::start()</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>tests/framework/instruments/<a class="el" href="_p_m_u_8h_source.xhtml">PMU.h</a></li>
<li>tests/framework/instruments/<a class="el" href="_p_m_u_8cpp_source.xhtml">PMU.cpp</a></li>
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