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<div class="title">profiler.hpp</div> </div>
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<a href="profiler_8hpp.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (c) 2017 ARM Limited.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * SPDX-License-Identifier: MIT</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<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>&#160;<span class="comment"> * of this software and associated documentation files (the &quot;Software&quot;), to</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<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>&#160;<span class="comment"> * copies or substantial portions of the Software.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"> * SOFTWARE.</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#ifdef CYCLE_PROFILING</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &quot;../perf.h&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">class </span><a class="code" href="classprofiler.xhtml">profiler</a> {</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> maxevents = 10000;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> times[maxevents];</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordtype">int</span> events[maxevents];</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keywordtype">int</span> currentevent;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keywordtype">int</span> countfd;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <a class="code" href="classprofiler.xhtml">profiler</a>() {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; currentevent=0;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; countfd=open_cycle_counter();</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;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; ~<a class="code" href="classprofiler.xhtml">profiler</a>() {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; close(countfd);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordtype">int</span> tots[5];</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> counts[5];</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keyword">const</span> <span class="keywordtype">char</span> * descs[] = { <span class="stringliteral">&quot;Prepare A&quot;</span>, <span class="stringliteral">&quot;Prepare B&quot;</span>, <span class="stringliteral">&quot;Kernel&quot;</span>, <span class="stringliteral">&quot;Merge&quot;</span> };</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=1; i&lt;5; i++) {</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; tots[i] = 0;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; counts[i] = 0;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; }</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; printf(<span class="stringliteral">&quot;Profiled events:\n&quot;</span>);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;currentevent; i++) {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; printf(<span class="stringliteral">&quot;%10s: %ld\n&quot;</span>, descs[events[i]-1], times[i]);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; tots[events[i]]++;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; counts[events[i]] += times[i];</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; }</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; printf(<span class="stringliteral">&quot;%20s %9s %9s %9s\n&quot;</span>, <span class="stringliteral">&quot;&quot;</span>, <span class="stringliteral">&quot;Events&quot;</span>, <span class="stringliteral">&quot;Total&quot;</span>, <span class="stringliteral">&quot;Average&quot;</span>);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=1; i&lt;5; i++) {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; printf(<span class="stringliteral">&quot;%20s: %9d %9ld %9ld\n&quot;</span>,descs[i-1],tots[i],counts[i],counts[i]/tots[i]);</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; }</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classprofiler.xhtml#a3868e59275c661b8b9f792f2d4ba1b7e">operator() </a>(<span class="keywordtype">int</span> i, T func) {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">if</span> (currentevent==maxevents) {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; func();</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; start_counter(countfd);</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; func();</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordtype">long</span> <span class="keywordtype">long</span> cycs = stop_counter(countfd);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; events[currentevent] = i;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; times[currentevent++] = cycs;</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; }</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="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classprofiler.xhtml"> 84</a></span>&#160;<span class="keyword">class </span><a class="code" href="classprofiler.xhtml">profiler</a> {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classprofiler.xhtml#a3868e59275c661b8b9f792f2d4ba1b7e"> 87</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classprofiler.xhtml#a3868e59275c661b8b9f792f2d4ba1b7e">operator() </a>(<span class="keywordtype">int</span> i, T func) {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; func();</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="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="profiler_8hpp.xhtml#ac19bf2c5c388b9fb21cd0668475b2cf7"> 94</a></span>&#160;<span class="preprocessor">#define PROFILE_PREPA 1</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="profiler_8hpp.xhtml#af0477dfaa86fc08825cb3f31212f423c"> 95</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define PROFILE_PREPB 2</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="profiler_8hpp.xhtml#a97f4e398174b5e094f5262e5d785ac20"> 96</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define PROFILE_KERNEL 3</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="profiler_8hpp.xhtml#a2f7c3e65a9ccab509d7776832f562dd0"> 97</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define PROFILE_MERGE 4</span></div>
<div class="ttc" id="classprofiler_xhtml_a3868e59275c661b8b9f792f2d4ba1b7e"><div class="ttname"><a href="classprofiler.xhtml#a3868e59275c661b8b9f792f2d4ba1b7e">profiler::operator()</a></div><div class="ttdeci">void operator()(int i, T func)</div><div class="ttdef"><b>Definition:</b> <a href="profiler_8hpp_source.xhtml#l00087">profiler.hpp:87</a></div></div>
<div class="ttc" id="classprofiler_xhtml"><div class="ttname"><a href="classprofiler.xhtml">profiler</a></div><div class="ttdef"><b>Definition:</b> <a href="profiler_8hpp_source.xhtml#l00084">profiler.hpp:84</a></div></div>
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