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| <a href="_p_m_u_8h.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2017-2019 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * of this software and associated documentation files (the "Software"), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef ARM_COMPUTE_TEST_PMU</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define ARM_COMPUTE_TEST_PMU</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="_error_8h.xhtml">arm_compute/core/Error.h</a>"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <cstdint></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <errno.h></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <linux/perf_event.h></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <stdexcept></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <sys/syscall.h></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <unistd.h></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span><a class="code" href="namespacearm__compute.xhtml">arm_compute</a></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>test</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>framework</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> {<span class="comment"></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">/** Class provides access to CPU hardware counters. */</span></div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml"> 43</a></span> <span class="keyword">class </span><a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml">PMU</a></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">public</span>:<span class="comment"></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> /** Default constructor. */</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <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="l00048"></a><span class="lineno"> 48</span> <span class="comment"></span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> /** Create PMU with specified counter.</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> *</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * This constructor automatically calls @ref open with the default</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * configuration.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> *</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * @param[in] config Counter identifier.</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> */</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">explicit</span> <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#af16eae86d803112e6466140aaced812b">PMU</a>(uint64_t config);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"></span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> /** Default destructor. */</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#ab30d96d1a047f366dd309049f139fa35">~PMU</a>();</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"></span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> /** Get the counter value.</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> *</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * @return Counter value casted to the specified type. */</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  T <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#aea0e7b23882e772db44534ca45e2c029">get_value</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"></span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> /** Open the specified counter based on the default configuration.</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> *</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> * @param[in] config The default configuration.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> */</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a9f1c02afefdd48c31913e6c358422727">open</a>(uint64_t config);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"></span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> /** Open the specified configuration.</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> *</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> * @param[in] perf_config The specified configuration.</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> */</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#a9f1c02afefdd48c31913e6c358422727">open</a>(<span class="keyword">const</span> perf_event_attr &perf_config);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"></span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> /** Close the currently open counter. */</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">void</span> <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="l00081"></a><span class="lineno"> 81</span> <span class="comment"></span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> /** Reset counter. */</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#ad20897c5c8bd47f5d4005989bead0e55">reset</a>();</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  perf_event_attr _perf_config;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">long</span> _fd{ -1 };</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> };</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#aea0e7b23882e772db44534ca45e2c029"> 91</a></span> T <a class="code" href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#aea0e7b23882e772db44534ca45e2c029">PMU::get_value</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword"></span>{</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  T value{};</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">const</span> ssize_t result = read(_fd, &value, <span class="keyword">sizeof</span>(T));</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span>(result == -1)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="_error_8h.xhtml#abd040a16dc0dbc75733e07aff93048a8">ARM_COMPUTE_ERROR_VAR</a>(<span class="stringliteral">"Can't get PMU counter value: %d"</span>, errno);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">return</span> value;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> } <span class="comment">// namespace framework</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> } <span class="comment">// namespace test</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> } <span class="comment">// namespace arm_compute</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#endif </span><span class="comment">/* ARM_COMPUTE_TEST_PMU */</span><span class="preprocessor"></span></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> |
| <div class="ttc" id="classarm__compute_1_1test_1_1framework_1_1_p_m_u_xhtml"><div class="ttname"><a href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml">arm_compute::test::framework::PMU</a></div><div class="ttdoc">Class provides access to CPU hardware counters.</div><div class="ttdef"><b>Definition:</b> <a href="_p_m_u_8h_source.xhtml#l00043">PMU.h:43</a></div></div> |
| <div class="ttc" id="_error_8h_xhtml_abd040a16dc0dbc75733e07aff93048a8"><div class="ttname"><a href="_error_8h.xhtml#abd040a16dc0dbc75733e07aff93048a8">ARM_COMPUTE_ERROR_VAR</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_VAR(msg,...)</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#l00346">Error.h:346</a></div></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_aea0e7b23882e772db44534ca45e2c029"><div class="ttname"><a href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#aea0e7b23882e772db44534ca45e2c029">arm_compute::test::framework::PMU::get_value</a></div><div class="ttdeci">T get_value() const</div><div class="ttdoc">Get the counter value.</div><div class="ttdef"><b>Definition:</b> <a href="_p_m_u_8h_source.xhtml#l00091">PMU.h:91</a></div></div> |
| <div class="ttc" id="namespacearm__compute_xhtml"><div class="ttname"><a href="namespacearm__compute.xhtml">arm_compute</a></div><div class="ttdoc">Copyright (c) 2017-2020 ARM Limited.</div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00024">00_introduction.dox:24</a></div></div> |
| <div class="ttc" id="classarm__compute_1_1test_1_1framework_1_1_p_m_u_xhtml_ab30d96d1a047f366dd309049f139fa35"><div class="ttname"><a href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#ab30d96d1a047f366dd309049f139fa35">arm_compute::test::framework::PMU::~PMU</a></div><div class="ttdeci">~PMU()</div><div class="ttdoc">Default destructor.</div><div class="ttdef"><b>Definition:</b> <a href="_p_m_u_8cpp_source.xhtml#l00058">PMU.cpp:58</a></div></div> |
| <div class="ttc" id="_error_8h_xhtml"><div class="ttname"><a href="_error_8h.xhtml">Error.h</a></div></div> |
| <div class="ttc" id="classarm__compute_1_1test_1_1framework_1_1_p_m_u_xhtml_ad20897c5c8bd47f5d4005989bead0e55"><div class="ttname"><a href="classarm__compute_1_1test_1_1framework_1_1_p_m_u.xhtml#ad20897c5c8bd47f5d4005989bead0e55">arm_compute::test::framework::PMU::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Reset counter.</div><div class="ttdef"><b>Definition:</b> <a href="_p_m_u_8cpp_source.xhtml#l00092">PMU.cpp:92</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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