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| <div class="title">cpu-info.cc</div> </div> |
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| <div class="contents"> |
| <a href="cpu-info_8cc.html">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">// Copyright 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "<a class="code" href="cpu-info_8h.html">util/cpu-info.h</a>"</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <boost/algorithm/string.hpp></span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <iostream></span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <fstream></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <mmintrin.h></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <sstream></span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <stdlib.h></span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <string.h></span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <unistd.h></span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="pretty-printer_8h.html">util/pretty-printer.h</a>"</span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="names_8h.html">common/names.h</a>"</span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">using</span> boost::algorithm::contains;</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">using</span> boost::algorithm::trim;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">using</span> std::max;</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <a class="code" href="cpu-info_8cc.html#ab47e11b522063d6e430995a1cd195555">DECLARE_bool</a>(abort_on_config_error);</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <a class="code" href="cpu-info_8cc.html#ad76b3207b74e81de6135cb9320f53460">DEFINE_int32</a>(num_cores, 0, <span class="stringliteral">"(Advanced) If > 0, it sets the number of cores available to"</span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="stringliteral">" Impala. Setting it to 0 means Impala will use all available cores on the machine"</span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="stringliteral">" according to /proc/cpuinfo."</span>);</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>impala {</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1CpuInfo.html#aac0e0c5fef1f675c138f73c83cd95e72">CpuInfo::initialized_</a> = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> int64_t <a class="code" href="classimpala_1_1CpuInfo.html#a5d60d5a218350e882784ce322029d343">CpuInfo::hardware_flags_</a> = 0;</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> int64_t <a class="code" href="classimpala_1_1CpuInfo.html#af53761b57994f803b612a59c4a371325">CpuInfo::original_hardware_flags_</a>;</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keywordtype">long</span> <a class="code" href="classimpala_1_1CpuInfo.html#ac5a01c9f2ac49a950a596fe9d32565b3">CpuInfo::cache_sizes_</a>[L3_CACHE + 1];</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> int64_t <a class="code" href="classimpala_1_1CpuInfo.html#a13fd138569586609f408d904616f2fe3">CpuInfo::cycles_per_ms_</a>;</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1CpuInfo.html#ae49c7a0f7b62faa9493159781f58011e">CpuInfo::num_cores_</a> = 1;</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keywordtype">string</span> <a class="code" href="classimpala_1_1CpuInfo.html#a2b9f050d0f022b346e0ec9ca5fc9a18a">CpuInfo::model_name_</a> = <span class="stringliteral">"unknown"</span>;</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">static</span> <span class="keyword">struct </span>{</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3"> 50</a></span>  <span class="keywordtype">string</span> <a class="code" href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">name</a>;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="namespaceimpala.html#ab51688bbac853ca137863d44833ad1ab"> 51</a></span>  int64_t <a class="code" href="namespaceimpala.html#ab51688bbac853ca137863d44833ad1ab">flag</a>;</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> } <a class="code" href="namespaceimpala.html#a2bdb5bc4de69ef57dfa25c555bf6b718">flag_mappings</a>[] =</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> {</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  { <span class="stringliteral">"ssse3"</span>, <a class="code" href="classimpala_1_1CpuInfo.html#af2b90fce17464d5e21baa5ec849fdf0e">CpuInfo::SSSE3</a> },</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  { <span class="stringliteral">"sse4_1"</span>, <a class="code" href="classimpala_1_1CpuInfo.html#aa33873dd5ab4a88e1c82e9e5aaafaaeb">CpuInfo::SSE4_1</a> },</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  { <span class="stringliteral">"sse4_2"</span>, <a class="code" href="classimpala_1_1CpuInfo.html#a0cf1356c27b33ca4d428df026209e6fd">CpuInfo::SSE4_2</a> },</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  { <span class="stringliteral">"popcnt"</span>, <a class="code" href="classimpala_1_1CpuInfo.html#a0a11fa4aee7d7b5e9a366030e7e6e6d4">CpuInfo::POPCNT</a> },</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> };</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="namespaceimpala.html#ab26d4f748453607acd39a1eaa2677239"> 59</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">long</span> <a class="code" href="namespaceimpala.html#ab26d4f748453607acd39a1eaa2677239">num_flags</a> = <span class="keyword">sizeof</span>(<a class="code" href="namespaceimpala.html#a2bdb5bc4de69ef57dfa25c555bf6b718">flag_mappings</a>) / <span class="keyword">sizeof</span>(<a class="code" href="namespaceimpala.html#a2bdb5bc4de69ef57dfa25c555bf6b718">flag_mappings</a>[0]);</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// Helper function to parse for hardware flags.</span></div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// values contains a list of space-seperated flags. check to see if the flags we</span></div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// care about are present.</span></div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// Returns a bitmap of flags.</span></div> |
| <div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="namespaceimpala.html#ac0a702396e402d409a7a4b040a7efa54"> 65</a></span> int64_t <a class="code" href="namespaceimpala.html#ac0a702396e402d409a7a4b040a7efa54">ParseCPUFlags</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& values) {</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  int64_t flags = 0;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="namespaceimpala.html#ab26d4f748453607acd39a1eaa2677239">num_flags</a>; ++i) {</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (contains(values, <a class="code" href="namespaceimpala.html#a2bdb5bc4de69ef57dfa25c555bf6b718">flag_mappings</a>[i].<a class="code" href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">name</a>)) {</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  flags |= <a class="code" href="namespaceimpala.html#a2bdb5bc4de69ef57dfa25c555bf6b718">flag_mappings</a>[i].flag;</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> flags;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div> |
| <div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classimpala_1_1CpuInfo.html#ab63b1a50201fc23934e209f407945674"> 75</a></span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1CpuInfo.html#ab63b1a50201fc23934e209f407945674">CpuInfo::Init</a>() {</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">string</span> line;</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">string</span> <a class="code" href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">name</a>;</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">string</span> value;</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">float</span> max_mhz = 0;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1CpuInfo.html#aaab18714faadabc6072f0edecb233234">num_cores</a> = 0;</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  memset(&<a class="code" href="classimpala_1_1CpuInfo.html#ac5a01c9f2ac49a950a596fe9d32565b3">cache_sizes_</a>, 0, <span class="keyword">sizeof</span>(<a class="code" href="classimpala_1_1CpuInfo.html#ac5a01c9f2ac49a950a596fe9d32565b3">cache_sizes_</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="comment">// Read from /proc/cpuinfo</span></div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  ifstream cpuinfo(<span class="stringliteral">"/proc/cpuinfo"</span>, ios::in);</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">while</span> (cpuinfo) {</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  getline(cpuinfo, line);</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespaceimpala.html#a762e09baaee694fc31beea8a51a264c3">colon</a> = line.find(<span class="charliteral">':'</span>);</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (colon != string::npos) {</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  name = line.substr(0, colon - 1);</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  value = line.substr(colon + 1, string::npos);</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  trim(name);</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  trim(value);</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (name.compare(<span class="stringliteral">"flags"</span>) == 0) {</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classimpala_1_1CpuInfo.html#a5d60d5a218350e882784ce322029d343">hardware_flags_</a> |= <a class="code" href="namespaceimpala.html#ac0a702396e402d409a7a4b040a7efa54">ParseCPUFlags</a>(value);</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (name.compare(<span class="stringliteral">"cpu MHz"</span>) == 0) {</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// Every core will report a different speed. We'll take the max, assuming</span></div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// that when impala is running, the core will not be in a lower power state.</span></div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// TODO: is there a more robust way to do this, such as</span></div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// Window's QueryPerformanceFrequency()</span></div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">float</span> mhz = atof(value.c_str());</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  max_mhz = max(mhz, max_mhz);</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (name.compare(<span class="stringliteral">"processor"</span>) == 0) {</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  ++<a class="code" href="classimpala_1_1CpuInfo.html#aaab18714faadabc6072f0edecb233234">num_cores</a>;</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (name.compare(<span class="stringliteral">"model name"</span>) == 0) {</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="classimpala_1_1CpuInfo.html#a2b9f050d0f022b346e0ec9ca5fc9a18a">model_name_</a> = value;</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (cpuinfo.is_open()) cpuinfo.close();</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// Call sysconf to query for the cache sizes</span></div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classimpala_1_1CpuInfo.html#ac5a01c9f2ac49a950a596fe9d32565b3">cache_sizes_</a>[0] = sysconf(_SC_LEVEL1_DCACHE_SIZE);</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classimpala_1_1CpuInfo.html#ac5a01c9f2ac49a950a596fe9d32565b3">cache_sizes_</a>[1] = sysconf(_SC_LEVEL2_CACHE_SIZE);</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="classimpala_1_1CpuInfo.html#ac5a01c9f2ac49a950a596fe9d32565b3">cache_sizes_</a>[2] = sysconf(_SC_LEVEL3_CACHE_SIZE);</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (max_mhz != 0) {</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="classimpala_1_1CpuInfo.html#a13fd138569586609f408d904616f2fe3">cycles_per_ms_</a> = max_mhz * 1000;</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="classimpala_1_1CpuInfo.html#a13fd138569586609f408d904616f2fe3">cycles_per_ms_</a> = 1000000;</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="classimpala_1_1CpuInfo.html#af53761b57994f803b612a59c4a371325">original_hardware_flags_</a> = <a class="code" href="classimpala_1_1CpuInfo.html#a5d60d5a218350e882784ce322029d343">hardware_flags_</a>;</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span> (num_cores > 0) {</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="classimpala_1_1CpuInfo.html#ae49c7a0f7b62faa9493159781f58011e">num_cores_</a> = <a class="code" href="classimpala_1_1CpuInfo.html#aaab18714faadabc6072f0edecb233234">num_cores</a>;</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="classimpala_1_1CpuInfo.html#ae49c7a0f7b62faa9493159781f58011e">num_cores_</a> = 1;</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (FLAGS_num_cores > 0) <a class="code" href="classimpala_1_1CpuInfo.html#ae49c7a0f7b62faa9493159781f58011e">num_cores_</a> = FLAGS_num_cores;</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="classimpala_1_1CpuInfo.html#aac0e0c5fef1f675c138f73c83cd95e72">initialized_</a> = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> }</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div> |
| <div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="classimpala_1_1CpuInfo.html#a64e939a6f07a07169d946ff696bcfeb1"> 137</a></span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1CpuInfo.html#a64e939a6f07a07169d946ff696bcfeb1">CpuInfo::VerifyCpuRequirements</a>() {</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (!<a class="code" href="classimpala_1_1CpuInfo.html#a251ae7245ccb0d678601bb6d8d6fb63a">CpuInfo::IsSupported</a>(<a class="code" href="classimpala_1_1CpuInfo.html#af2b90fce17464d5e21baa5ec849fdf0e">CpuInfo::SSSE3</a>)) {</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  LOG(ERROR) << <span class="stringliteral">"CPU does not support the Supplemental SSE3 (SSSE3) instruction set, "</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  << <span class="stringliteral">"which is required. Exiting if Supplemental SSE3 is not functional..."</span>;</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> }</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div> |
| <div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="classimpala_1_1CpuInfo.html#a055a0ceedec7ae8145682231c7d15a36"> 144</a></span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1CpuInfo.html#a055a0ceedec7ae8145682231c7d15a36">CpuInfo::EnableFeature</a>(<span class="keywordtype">long</span> <a class="code" href="namespaceimpala.html#ab51688bbac853ca137863d44833ad1ab">flag</a>, <span class="keywordtype">bool</span> enable) {</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  DCHECK(<a class="code" href="classimpala_1_1CpuInfo.html#aac0e0c5fef1f675c138f73c83cd95e72">initialized_</a>);</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (!enable) {</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="classimpala_1_1CpuInfo.html#a5d60d5a218350e882784ce322029d343">hardware_flags_</a> &= ~flag;</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// Can't turn something on that can't be supported</span></div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  DCHECK((<a class="code" href="classimpala_1_1CpuInfo.html#af53761b57994f803b612a59c4a371325">original_hardware_flags_</a> & flag) != 0);</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <a class="code" href="classimpala_1_1CpuInfo.html#a5d60d5a218350e882784ce322029d343">hardware_flags_</a> |= <a class="code" href="namespaceimpala.html#ab51688bbac853ca137863d44833ad1ab">flag</a>;</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> }</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div> |
| <div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="classimpala_1_1CpuInfo.html#a52f3ea4b0b368ff54c80ce3ec822f63c"> 155</a></span> <span class="keywordtype">string</span> <a class="code" href="classimpala_1_1CpuInfo.html#a52f3ea4b0b368ff54c80ce3ec822f63c">CpuInfo::DebugString</a>() {</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  DCHECK(<a class="code" href="classimpala_1_1CpuInfo.html#aac0e0c5fef1f675c138f73c83cd95e72">initialized_</a>);</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  stringstream stream;</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  int64_t L1 = <a class="code" href="classimpala_1_1CpuInfo.html#ab56500e49786e494be5d8e5a1bc2dffd">CacheSize</a>(<a class="code" href="classimpala_1_1CpuInfo.html#a08c48bad223808677b9b3644e4235445ab44cefcbf386c3704c66115f856fad40">L1_CACHE</a>);</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  int64_t L2 = <a class="code" href="classimpala_1_1CpuInfo.html#ab56500e49786e494be5d8e5a1bc2dffd">CacheSize</a>(<a class="code" href="classimpala_1_1CpuInfo.html#a08c48bad223808677b9b3644e4235445a44eab7c783c4766bca9857f7262b8631">L2_CACHE</a>);</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  int64_t L3 = <a class="code" href="classimpala_1_1CpuInfo.html#ab56500e49786e494be5d8e5a1bc2dffd">CacheSize</a>(<a class="code" href="classimpala_1_1CpuInfo.html#a08c48bad223808677b9b3644e4235445ae0b0f8fe2010b71786329bc35e8b4455">L3_CACHE</a>);</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  stream << <span class="stringliteral">"Cpu Info:"</span> << endl</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  << <span class="stringliteral">" Model: "</span> << <a class="code" href="classimpala_1_1CpuInfo.html#a2b9f050d0f022b346e0ec9ca5fc9a18a">model_name_</a> << endl</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  << <span class="stringliteral">" Cores: "</span> << <a class="code" href="classimpala_1_1CpuInfo.html#ae49c7a0f7b62faa9493159781f58011e">num_cores_</a> << endl</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  << <span class="stringliteral">" L1 Cache: "</span> << <a class="code" href="classimpala_1_1PrettyPrinter.html#a6e5f06a1ce274f747cc4f9928b797c5a">PrettyPrinter::Print</a>(L1, TUnit::BYTES) << endl</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  << <span class="stringliteral">" L2 Cache: "</span> << <a class="code" href="classimpala_1_1PrettyPrinter.html#a6e5f06a1ce274f747cc4f9928b797c5a">PrettyPrinter::Print</a>(L2, TUnit::BYTES) << endl</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  << <span class="stringliteral">" L3 Cache: "</span> << <a class="code" href="classimpala_1_1PrettyPrinter.html#a6e5f06a1ce274f747cc4f9928b797c5a">PrettyPrinter::Print</a>(L3, TUnit::BYTES) << endl</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  << <span class="stringliteral">" Hardware Supports:"</span> << endl;</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="namespaceimpala.html#ab26d4f748453607acd39a1eaa2677239">num_flags</a>; ++i) {</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1CpuInfo.html#a251ae7245ccb0d678601bb6d8d6fb63a">IsSupported</a>(<a class="code" href="namespaceimpala.html#a2bdb5bc4de69ef57dfa25c555bf6b718">flag_mappings</a>[i].<a class="code" href="namespaceimpala.html#ab51688bbac853ca137863d44833ad1ab">flag</a>)) {</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  stream << <span class="stringliteral">" "</span> << <a class="code" href="namespaceimpala.html#a2bdb5bc4de69ef57dfa25c555bf6b718">flag_mappings</a>[i].name << endl;</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> stream.str();</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> }</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div> |
| <div class="ttc" id="namespaceimpala_html_a762e09baaee694fc31beea8a51a264c3"><div class="ttname"><a href="namespaceimpala.html#a762e09baaee694fc31beea8a51a264c3">impala::colon</a></div><div class="ttdeci">const StringSearch UrlParser::colon_search & colon</div><div class="ttdef"><b>Definition:</b> <a href="url-parser_8cc_source.html#l00039">url-parser.cc:39</a></div></div> |
| <div class="ttc" id="cpu-info_8cc_html_ad76b3207b74e81de6135cb9320f53460"><div class="ttname"><a href="cpu-info_8cc.html#ad76b3207b74e81de6135cb9320f53460">DEFINE_int32</a></div><div class="ttdeci">DEFINE_int32(num_cores, 0,"(Advanced) If > 0, it sets the number of cores available to"" Impala. Setting it to 0 means Impala will use all available cores on the machine"" according to /proc/cpuinfo.")</div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a055a0ceedec7ae8145682231c7d15a36"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a055a0ceedec7ae8145682231c7d15a36">impala::CpuInfo::EnableFeature</a></div><div class="ttdeci">static void EnableFeature(long flag, bool enable)</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8cc_source.html#l00144">cpu-info.cc:144</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_af2b90fce17464d5e21baa5ec849fdf0e"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#af2b90fce17464d5e21baa5ec849fdf0e">impala::CpuInfo::SSSE3</a></div><div class="ttdeci">static const int64_t SSSE3</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00032">cpu-info.h:32</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_ac5a01c9f2ac49a950a596fe9d32565b3"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#ac5a01c9f2ac49a950a596fe9d32565b3">impala::CpuInfo::cache_sizes_</a></div><div class="ttdeci">static long cache_sizes_[L3_CACHE+1]</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00097">cpu-info.h:97</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a08c48bad223808677b9b3644e4235445ab44cefcbf386c3704c66115f856fad40"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a08c48bad223808677b9b3644e4235445ab44cefcbf386c3704c66115f856fad40">impala::CpuInfo::L1_CACHE</a></div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00039">cpu-info.h:39</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a08c48bad223808677b9b3644e4235445ae0b0f8fe2010b71786329bc35e8b4455"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a08c48bad223808677b9b3644e4235445ae0b0f8fe2010b71786329bc35e8b4455">impala::CpuInfo::L3_CACHE</a></div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00041">cpu-info.h:41</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a64e939a6f07a07169d946ff696bcfeb1"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a64e939a6f07a07169d946ff696bcfeb1">impala::CpuInfo::VerifyCpuRequirements</a></div><div class="ttdeci">static void VerifyCpuRequirements()</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8cc_source.html#l00137">cpu-info.cc:137</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_ae49c7a0f7b62faa9493159781f58011e"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#ae49c7a0f7b62faa9493159781f58011e">impala::CpuInfo::num_cores_</a></div><div class="ttdeci">static int num_cores_</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00099">cpu-info.h:99</a></div></div> |
| <div class="ttc" id="classimpala_1_1PrettyPrinter_html_a6e5f06a1ce274f747cc4f9928b797c5a"><div class="ttname"><a href="classimpala_1_1PrettyPrinter.html#a6e5f06a1ce274f747cc4f9928b797c5a">impala::PrettyPrinter::Print</a></div><div class="ttdeci">static std::string Print(bool value, TUnit::type ignored, bool verbose=false)</div><div class="ttdef"><b>Definition:</b> <a href="pretty-printer_8h_source.html#l00033">pretty-printer.h:33</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_af53761b57994f803b612a59c4a371325"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#af53761b57994f803b612a59c4a371325">impala::CpuInfo::original_hardware_flags_</a></div><div class="ttdeci">static int64_t original_hardware_flags_</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00096">cpu-info.h:96</a></div></div> |
| <div class="ttc" id="pretty-printer_8h_html"><div class="ttname"><a href="pretty-printer_8h.html">pretty-printer.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_ab56500e49786e494be5d8e5a1bc2dffd"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#ab56500e49786e494be5d8e5a1bc2dffd">impala::CpuInfo::CacheSize</a></div><div class="ttdeci">static long CacheSize(CacheLevel level)</div><div class="ttdoc">Returns the size of the cache in KB at this cache level. </div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00068">cpu-info.h:68</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a5d60d5a218350e882784ce322029d343"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a5d60d5a218350e882784ce322029d343">impala::CpuInfo::hardware_flags_</a></div><div class="ttdeci">static int64_t hardware_flags_</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00095">cpu-info.h:95</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a0a11fa4aee7d7b5e9a366030e7e6e6d4"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a0a11fa4aee7d7b5e9a366030e7e6e6d4">impala::CpuInfo::POPCNT</a></div><div class="ttdeci">static const int64_t POPCNT</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00035">cpu-info.h:35</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a13fd138569586609f408d904616f2fe3"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a13fd138569586609f408d904616f2fe3">impala::CpuInfo::cycles_per_ms_</a></div><div class="ttdeci">static int64_t cycles_per_ms_</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00098">cpu-info.h:98</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a08c48bad223808677b9b3644e4235445a44eab7c783c4766bca9857f7262b8631"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a08c48bad223808677b9b3644e4235445a44eab7c783c4766bca9857f7262b8631">impala::CpuInfo::L2_CACHE</a></div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00040">cpu-info.h:40</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a0cf1356c27b33ca4d428df026209e6fd"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a0cf1356c27b33ca4d428df026209e6fd">impala::CpuInfo::SSE4_2</a></div><div class="ttdeci">static const int64_t SSE4_2</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00034">cpu-info.h:34</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a52f3ea4b0b368ff54c80ce3ec822f63c"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a52f3ea4b0b368ff54c80ce3ec822f63c">impala::CpuInfo::DebugString</a></div><div class="ttdeci">static std::string DebugString()</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8cc_source.html#l00155">cpu-info.cc:155</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_aac0e0c5fef1f675c138f73c83cd95e72"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#aac0e0c5fef1f675c138f73c83cd95e72">impala::CpuInfo::initialized_</a></div><div class="ttdeci">static bool initialized_</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00094">cpu-info.h:94</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_aa33873dd5ab4a88e1c82e9e5aaafaaeb"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#aa33873dd5ab4a88e1c82e9e5aaafaaeb">impala::CpuInfo::SSE4_1</a></div><div class="ttdeci">static const int64_t SSE4_1</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00033">cpu-info.h:33</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a2b9f050d0f022b346e0ec9ca5fc9a18a"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a2b9f050d0f022b346e0ec9ca5fc9a18a">impala::CpuInfo::model_name_</a></div><div class="ttdeci">static std::string model_name_</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00100">cpu-info.h:100</a></div></div> |
| <div class="ttc" id="cpu-info_8cc_html_ab47e11b522063d6e430995a1cd195555"><div class="ttname"><a href="cpu-info_8cc.html#ab47e11b522063d6e430995a1cd195555">DECLARE_bool</a></div><div class="ttdeci">DECLARE_bool(abort_on_config_error)</div></div> |
| <div class="ttc" id="names_8h_html"><div class="ttname"><a href="names_8h.html">names.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_ab63b1a50201fc23934e209f407945674"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#ab63b1a50201fc23934e209f407945674">impala::CpuInfo::Init</a></div><div class="ttdeci">static void Init()</div><div class="ttdoc">Initialize CpuInfo. </div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8cc_source.html#l00075">cpu-info.cc:75</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_aaab18714faadabc6072f0edecb233234"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#aaab18714faadabc6072f0edecb233234">impala::CpuInfo::num_cores</a></div><div class="ttdeci">static int num_cores()</div><div class="ttdoc">Returns the number of cores (including hyper-threaded) on this machine. </div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00080">cpu-info.h:80</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_aaebb9aadfa9e5aec064bc26565df06d3"><div class="ttname"><a href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">impala::name</a></div><div class="ttdeci">string name</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8cc_source.html#l00050">cpu-info.cc:50</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_ac0a702396e402d409a7a4b040a7efa54"><div class="ttname"><a href="namespaceimpala.html#ac0a702396e402d409a7a4b040a7efa54">impala::ParseCPUFlags</a></div><div class="ttdeci">int64_t ParseCPUFlags(const string &values)</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8cc_source.html#l00065">cpu-info.cc:65</a></div></div> |
| <div class="ttc" id="classimpala_1_1CpuInfo_html_a251ae7245ccb0d678601bb6d8d6fb63a"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#a251ae7245ccb0d678601bb6d8d6fb63a">impala::CpuInfo::IsSupported</a></div><div class="ttdeci">static bool IsSupported(long flag)</div><div class="ttdoc">Returns whether of not the cpu supports this flag. </div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8h_source.html#l00058">cpu-info.h:58</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_ab51688bbac853ca137863d44833ad1ab"><div class="ttname"><a href="namespaceimpala.html#ab51688bbac853ca137863d44833ad1ab">impala::flag</a></div><div class="ttdeci">int64_t flag</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8cc_source.html#l00051">cpu-info.cc:51</a></div></div> |
| <div class="ttc" id="cpu-info_8h_html"><div class="ttname"><a href="cpu-info_8h.html">cpu-info.h</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a2bdb5bc4de69ef57dfa25c555bf6b718"><div class="ttname"><a href="namespaceimpala.html#a2bdb5bc4de69ef57dfa25c555bf6b718">impala::flag_mappings</a></div><div class="ttdeci">static struct impala::@19 flag_mappings[]</div></div> |
| <div class="ttc" id="namespaceimpala_html_ab26d4f748453607acd39a1eaa2677239"><div class="ttname"><a href="namespaceimpala.html#ab26d4f748453607acd39a1eaa2677239">impala::num_flags</a></div><div class="ttdeci">static const long num_flags</div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8cc_source.html#l00059">cpu-info.cc:59</a></div></div> |
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