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| <div class="title">thread.cc</div> </div> |
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| <div class="contents"> |
| <a href="thread_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="thread_8h.html">util/thread.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 <set></span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <map></span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <boost/foreach.hpp></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <unistd.h></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <sys/syscall.h></span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <sys/types.h></span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="debug-util_8h.html">util/debug-util.h</a>"</span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="error-util_8h.html">util/error-util.h</a>"</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="cgroups-mgr_8h.html">util/cgroups-mgr.h</a>"</span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="metrics_8h.html">util/metrics.h</a>"</span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="webserver_8h.html">util/webserver.h</a>"</span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="url-coding_8h.html">util/url-coding.h</a>"</span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="os-util_8h.html">util/os-util.h</a>"</span></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="names_8h.html">common/names.h</a>"</span></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> <span class="keyword">namespace </span>this_thread = boost::this_thread;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">using</span> boost::ptr_vector;</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">using namespace </span>rapidjson;</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>impala {</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div> |
| <div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="namespaceimpala.html#aed60da33c229359d194b45baefe992be"> 40</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">string</span> <a class="code" href="namespaceimpala.html#aed60da33c229359d194b45baefe992be">THREADS_WEB_PAGE</a> = <span class="stringliteral">"/threadz"</span>;</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a7dcbd350dedfb1ee3d91ce05be5e9ae8"> 41</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">string</span> <a class="code" href="namespaceimpala.html#a7dcbd350dedfb1ee3d91ce05be5e9ae8">THREADS_TEMPLATE</a> = <span class="stringliteral">"threadz.tmpl"</span>;</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> |
| <div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a5d4ae0d5e2b45a41b97a75f38e3f329d"> 43</a></span> <span class="keyword">class </span><a class="code" href="classimpala_1_1ThreadMgr.html">ThreadMgr</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="comment">// Singleton instance of ThreadMgr. Only visible in this file, used only by Thread.</span></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// The Thread class adds a reference to thread_manager while it is supervising a thread so</span></div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// that a race between the end of the process's main thread (and therefore the destruction</span></div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// of thread_manager) and the end of a thread that tries to remove itself from the</span></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// manager after the destruction can be avoided.</span></div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> shared_ptr<ThreadMgr> <a class="code" href="namespaceimpala.html#a5d4ae0d5e2b45a41b97a75f38e3f329d">thread_manager</a>;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// A singleton class that tracks all live threads, and groups them together for easy</span></div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// auditing. Used only by Thread.</span></div> |
| <div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html"> 54</a></span> <span class="keyword">class </span><a class="code" href="classimpala_1_1ThreadMgr.html">ThreadMgr</a> {</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#a32785e486370e4390f94288b66688c98"> 56</a></span>  <a class="code" href="classimpala_1_1ThreadMgr.html#a32785e486370e4390f94288b66688c98">ThreadMgr</a>() : metrics_enabled_(false) { }</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="classimpala_1_1Status.html">Status</a> StartInstrumentation(<a class="code" href="classimpala_1_1MetricGroup.html">MetricGroup</a>* metrics, <a class="code" href="classimpala_1_1Webserver.html">Webserver</a>* webserver);</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// Registers a thread to the supplied category. The key is a boost::thread::id, used</span></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// instead of the system TID since boost::thread::id is always available, unlike</span></div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// gettid() which might fail.</span></div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">void</span> AddThread(<span class="keyword">const</span> thread::id& thread, <span class="keyword">const</span> <span class="keywordtype">string</span>& <a class="code" href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">name</a>, <span class="keyword">const</span> <span class="keywordtype">string</span>& category,</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  int64_t tid);</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// Removes a thread from the supplied category. If the thread has</span></div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// already been removed, this is a no-op.</span></div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">void</span> RemoveThread(<span class="keyword">const</span> thread::id& boost_id, <span class="keyword">const</span> <span class="keywordtype">string</span>& category);</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// Container class for any details we want to capture about a thread</span></div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// TODO: Add start-time.</span></div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// TODO: Track fragment ID.</span></div> |
| <div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html"> 74</a></span>  <span class="keyword">class </span><a class="code" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html">ThreadDescriptor</a> {</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a5c42bdc18100136a06241197d44ae848"> 76</a></span>  <a class="code" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a5c42bdc18100136a06241197d44ae848">ThreadDescriptor</a>() { }</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a6e65d4a217ca36f4f346eb74e6512fc3"> 77</a></span>  <a class="code" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a6e65d4a217ca36f4f346eb74e6512fc3">ThreadDescriptor</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& category, <span class="keyword">const</span> <span class="keywordtype">string</span>& <a class="code" href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">name</a>, int64_t thread_id)</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  : name_(name), category_(category), thread_id_(thread_id) {</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> </div> |
| <div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#aeffc7d09caa5c3ced22f13b0c1ce9e9a"> 81</a></span>  <span class="keyword">const</span> <span class="keywordtype">string</span>& <a class="code" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#aeffc7d09caa5c3ced22f13b0c1ce9e9a">name</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> name_; }</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a5deb32ff17052561585e346fab99dd16"> 82</a></span>  <span class="keyword">const</span> <span class="keywordtype">string</span>& <a class="code" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a5deb32ff17052561585e346fab99dd16">category</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> category_; }</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#ab1d6059297aba36a86d253fbb80949bb"> 83</a></span>  int64_t <a class="code" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#ab1d6059297aba36a86d253fbb80949bb">thread_id</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> thread_id_; }</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"><a class="line" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a8b8bc8a12ce5c1b21bfd191c9ce625f4"> 86</a></span>  <span class="keywordtype">string</span> <a class="code" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a8b8bc8a12ce5c1b21bfd191c9ce625f4">name_</a>;</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#ad5a8c80a5c1b6a8203c436615ad8bff3"> 87</a></span>  <span class="keywordtype">string</span> <a class="code" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#ad5a8c80a5c1b6a8203c436615ad8bff3">category_</a>;</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#ab1cad7fa00b3595c897fa2bdb4c847b7"> 88</a></span>  int64_t <a class="code" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#ab1cad7fa00b3595c897fa2bdb4c847b7">thread_id_</a>;</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> </div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// A ThreadCategory is a set of threads that are logically related.</span></div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// TODO: unordered_map is incompatible with boost::thread::id, but would be more</span></div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// efficient here.</span></div> |
| <div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#a82169a221245eb852b36ecd76cccaaf8"> 94</a></span>  <span class="keyword">typedef</span> map<const thread::id, ThreadDescriptor> <a class="code" href="classimpala_1_1ThreadMgr.html#a82169a221245eb852b36ecd76cccaaf8">ThreadCategory</a>;</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="comment">// All thread categorys, keyed on the category name.</span></div> |
| <div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#a3fb38c12d4169a3ef5f4af38e4dbbed0"> 97</a></span>  <span class="keyword">typedef</span> map<string, ThreadCategory> <a class="code" href="classimpala_1_1ThreadMgr.html#a3fb38c12d4169a3ef5f4af38e4dbbed0">ThreadCategoryMap</a>;</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// Protects thread_categories_ and metrics_enabled_</span></div> |
| <div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#ab3b7c6a0481bd007e33bb417c32fb838"> 100</a></span>  mutex <a class="code" href="classimpala_1_1ThreadMgr.html#ab3b7c6a0481bd007e33bb417c32fb838">lock_</a>;</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// All thread categorys that ever contained a thread, even if empty</span></div> |
| <div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#a0f659d936925614fe798a79f80756cce"> 103</a></span>  <a class="code" href="classimpala_1_1ThreadMgr.html#a3fb38c12d4169a3ef5f4af38e4dbbed0">ThreadCategoryMap</a> <a class="code" href="classimpala_1_1ThreadMgr.html#a0f659d936925614fe798a79f80756cce">thread_categories_</a>;</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// True after StartInstrumentation(..) returns</span></div> |
| <div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#a82486680ae060b09c5dd75fd5ff9e7de"> 106</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1ThreadMgr.html#a82486680ae060b09c5dd75fd5ff9e7de">metrics_enabled_</a>;</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// Metrics to track all-time total number of threads, and the</span></div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// current number of running threads.</span></div> |
| <div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#a9731bd3c2b110448c317396969c33364"> 110</a></span>  <a class="code" href="classIntGauge.html">IntGauge</a>* <a class="code" href="classimpala_1_1ThreadMgr.html#a9731bd3c2b110448c317396969c33364">total_threads_metric_</a>;</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#a1c179d6d5e5043e9ea3e4a35411a632e"> 111</a></span>  <a class="code" href="classIntGauge.html">IntGauge</a>* <a class="code" href="classimpala_1_1ThreadMgr.html#a1c179d6d5e5043e9ea3e4a35411a632e">current_num_threads_metric_</a>;</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">// Webpage callbacks; print all threads by category</span></div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// Example output:</span></div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// "total_threads": 144,</span></div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// "thread-groups": [</span></div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// {</span></div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// "name": "common",</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">// "size": 1</span></div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// },</span></div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// {</span></div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// "name": "disk-io-mgr",</span></div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// "size": 2</span></div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// },</span></div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// {</span></div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// "name": "hdfs-worker-pool",</span></div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// "size": 16</span></div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// },</span></div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// ... etc ...</span></div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// ]</span></div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">void</span> ThreadGroupUrlCallback(<span class="keyword">const</span> <a class="code" href="classimpala_1_1Webserver.html#ac9f7aacffabb53e5c203ea7a3652802b">Webserver::ArgumentMap</a>& args, Document* output);</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// Example output:</span></div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// "thread-group": {</span></div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// "category": "disk-io-mgr",</span></div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// "size": 2</span></div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// },</span></div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// "threads": [</span></div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// {</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// "name": "work-loop(Disk: 0, Thread: 0)-17049",</span></div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// "user_ns": 0,</span></div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// "kernel_ns": 0,</span></div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// "iowait_ns": 0</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// },</span></div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// {</span></div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// "name": "work-loop(Disk: 1, Thread: 0)-17050",</span></div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// "user_ns": 0,</span></div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// "kernel_ns": 0,</span></div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// "iowait_ns": 0</span></div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// }</span></div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// ]</span></div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordtype">void</span> ThreadOverviewUrlCallback(<span class="keyword">const</span> <a class="code" href="classimpala_1_1Webserver.html#ac9f7aacffabb53e5c203ea7a3652802b">Webserver::ArgumentMap</a>& args, Document* document);</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_1ThreadMgr.html#a925b1120ea483e2765db751e56330c99"> 155</a></span> <a class="code" href="classimpala_1_1Status.html">Status</a> ThreadMgr::StartInstrumentation(<a class="code" href="classimpala_1_1MetricGroup.html">MetricGroup</a>* metrics, <a class="code" href="classimpala_1_1Webserver.html">Webserver</a>* webserver) {</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  DCHECK(metrics != NULL);</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  DCHECK(webserver != NULL);</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  lock_guard<mutex> l(<a class="code" href="lock-benchmark_8cc.html#afbf2eef9150eb3a3ad8d8674115ddad8">lock_</a>);</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  metrics_enabled_ = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  total_threads_metric_ = metrics-><a class="code" href="classimpala_1_1MetricGroup.html#a32616eb20d4069c50427dfde1f89c376">AddGauge</a><int64_t>(</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="stringliteral">"thread-manager.total-threads-created"</span>, 0L);</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  current_num_threads_metric_ = metrics-><a class="code" href="classimpala_1_1MetricGroup.html#a32616eb20d4069c50427dfde1f89c376">AddGauge</a><int64_t>(</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="stringliteral">"thread-manager.running-threads"</span>, 0L);</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="classimpala_1_1Webserver.html#a15b9a034c37e397257603fda18de5d17">Webserver::UrlCallback</a> template_callback =</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  bind<void>(mem_fn(&ThreadMgr::ThreadOverviewUrlCallback), <span class="keyword">this</span>, _1, _2);</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  webserver-><a class="code" href="classimpala_1_1Webserver.html#ab6d6b78ae57c1c61b200dcb05ecf8055">RegisterUrlCallback</a>(<a class="code" href="namespaceimpala.html#aed60da33c229359d194b45baefe992be">THREADS_WEB_PAGE</a>, <a class="code" href="namespaceimpala.html#a7dcbd350dedfb1ee3d91ce05be5e9ae8">THREADS_TEMPLATE</a>,</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  template_callback);</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="classimpala_1_1Webserver.html#a15b9a034c37e397257603fda18de5d17">Webserver::UrlCallback</a> overview_callback =</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  bind<void>(mem_fn(&ThreadMgr::ThreadGroupUrlCallback), <span class="keyword">this</span>, _1, _2);</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  webserver-><a class="code" href="classimpala_1_1Webserver.html#ab6d6b78ae57c1c61b200dcb05ecf8055">RegisterUrlCallback</a>(<span class="stringliteral">"/thread-group"</span>, <span class="stringliteral">"thread-group.tmpl"</span>,</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  overview_callback, <span class="keyword">false</span>);</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>  <span class="keywordflow">return</span> <a class="code" href="namespaceimpala.html#ac55a10ca0171687156609e8d6ba28127a45b8e4259988c3518a05b9202efb0898">Status::OK</a>;</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div> |
| <div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#a8b1e93a2d8dbe12b59eec07e7af21ace"> 178</a></span> <span class="keywordtype">void</span> ThreadMgr::AddThread(<span class="keyword">const</span> thread::id& thread, <span class="keyword">const</span> <span class="keywordtype">string</span>& <a class="code" href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">name</a>,</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keyword">const</span> <span class="keywordtype">string</span>& category, int64_t tid) {</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  lock_guard<mutex> l(<a class="code" href="lock-benchmark_8cc.html#afbf2eef9150eb3a3ad8d8674115ddad8">lock_</a>);</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  thread_categories_[category][thread] = <a class="code" href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html">ThreadDescriptor</a>(category, name, tid);</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (metrics_enabled_) {</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  current_num_threads_metric_->Increment(1L);</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  total_threads_metric_->Increment(1L);</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div> |
| <div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#adf54876d65731e212261604920a3b9b7"> 188</a></span> <span class="keywordtype">void</span> ThreadMgr::RemoveThread(<span class="keyword">const</span> thread::id& boost_id, <span class="keyword">const</span> <span class="keywordtype">string</span>& category) {</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  lock_guard<mutex> l(<a class="code" href="lock-benchmark_8cc.html#afbf2eef9150eb3a3ad8d8674115ddad8">lock_</a>);</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  ThreadCategoryMap::iterator category_it = thread_categories_.find(category);</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  DCHECK(category_it != thread_categories_.end());</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  category_it->second.erase(boost_id);</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span> (metrics_enabled_) current_num_threads_metric_->Increment(-1L);</div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> }</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div> |
| <div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#a49b9ec0fd7f89c52617625cea0b90533"> 196</a></span> <span class="keywordtype">void</span> ThreadMgr::ThreadOverviewUrlCallback(<span class="keyword">const</span> <a class="code" href="classimpala_1_1Webserver.html#ac9f7aacffabb53e5c203ea7a3652802b">Webserver::ArgumentMap</a>& args,</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  Document* document) {</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  lock_guard<mutex> l(<a class="code" href="lock-benchmark_8cc.html#afbf2eef9150eb3a3ad8d8674115ddad8">lock_</a>);</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span> (metrics_enabled_) {</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  document->AddMember(<span class="stringliteral">"total_threads"</span>, current_num_threads_metric_->value(),</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  document->GetAllocator());</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  Value lst(kArrayType);</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  BOOST_FOREACH(<span class="keyword">const</span> ThreadCategoryMap::value_type& category, thread_categories_) {</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  Value val(kObjectType);</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  val.AddMember(<span class="stringliteral">"name"</span>, category.first.c_str(), document->GetAllocator());</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  val.AddMember(<span class="stringliteral">"size"</span>, category.second.size(), document->GetAllocator());</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// TODO: URLEncode() name?</span></div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  lst.PushBack(val, document->GetAllocator());</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  document->AddMember(<span class="stringliteral">"thread-groups"</span>, lst, document->GetAllocator());</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span> }</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div> |
| <div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadMgr.html#afd0fbd8cff39f2ebc2078421c54a825c"> 214</a></span> <span class="keywordtype">void</span> ThreadMgr::ThreadGroupUrlCallback(<span class="keyword">const</span> <a class="code" href="classimpala_1_1Webserver.html#ac9f7aacffabb53e5c203ea7a3652802b">Webserver::ArgumentMap</a>& args,</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  Document* document) {</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  lock_guard<mutex> l(<a class="code" href="lock-benchmark_8cc.html#afbf2eef9150eb3a3ad8d8674115ddad8">lock_</a>);</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  vector<const ThreadCategory*> categories_to_print;</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  Webserver::ArgumentMap::const_iterator category_it = args.find(<span class="stringliteral">"group"</span>);</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordtype">string</span> category_name = (category_it == args.end()) ? <span class="stringliteral">"all"</span> : category_it->second;</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  if (category_name != <span class="stringliteral">"all"</span>) {</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  ThreadCategoryMap::const_iterator category =</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  thread_categories_.find(category_name);</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (category == thread_categories_.end()) {</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span>;</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  categories_to_print.push_back(&category->second);</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  Value val(kObjectType);</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  val.AddMember(<span class="stringliteral">"category"</span>, category->first.c_str(), document->GetAllocator());</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  val.AddMember(<span class="stringliteral">"size"</span>, category->second.size(), document->GetAllocator());</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  document->AddMember(<span class="stringliteral">"thread-group"</span>, val, document->GetAllocator());</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  BOOST_FOREACH(<span class="keyword">const</span> ThreadCategoryMap::value_type& category, thread_categories_) {</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  categories_to_print.push_back(&category.second);</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  }</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  Value lst(kArrayType);</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  BOOST_FOREACH(<span class="keyword">const</span> <a class="code" href="classimpala_1_1ThreadMgr.html#a82169a221245eb852b36ecd76cccaaf8">ThreadCategory</a>* category, categories_to_print) {</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  BOOST_FOREACH(<span class="keyword">const</span> ThreadCategory::value_type& thread, *category) {</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  Value val(kObjectType);</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  val.AddMember(<span class="stringliteral">"name"</span>, thread.second.name().c_str(), document->GetAllocator());</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="structimpala_1_1ThreadStats.html">ThreadStats</a> stats;</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="classimpala_1_1Status.html">Status</a> status = <a class="code" href="namespaceimpala.html#a71cb96965f11be95b04ffac8c5ee8691">GetThreadStats</a>(thread.second.thread_id(), &stats);</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (!status.<a class="code" href="classimpala_1_1Status.html#a95ba859e42fe93445b340533220836ac">ok</a>()) {</div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  LOG_EVERY_N(INFO, 100) << <span class="stringliteral">"Could not get per-thread statistics: "</span></div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  << status.<a class="code" href="classimpala_1_1Status.html#adf1a3ee82776f6102bfe873925183159">GetDetail</a>();</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  val.AddMember(<span class="stringliteral">"user_ns"</span>, static_cast<double>(stats.<a class="code" href="structimpala_1_1ThreadStats.html#a4a2abf8756455f3d85a2d7814df11c4f">user_ns</a>) / 1e9,</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  document->GetAllocator());</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  val.AddMember(<span class="stringliteral">"kernel_ns"</span>, static_cast<double>(stats.<a class="code" href="structimpala_1_1ThreadStats.html#acae252d5c48a4c61f2cb64ff16abc53e">kernel_ns</a>) / 1e9,</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  document->GetAllocator());</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  val.AddMember(<span class="stringliteral">"iowait_ns"</span>, static_cast<double>(stats.<a class="code" href="structimpala_1_1ThreadStats.html#a6b7e3af180be36dbfad731416b3671dd">iowait_ns</a>) / 1e9,</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  document->GetAllocator());</div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  lst.PushBack(val, document->GetAllocator());</div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  }</div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  document->AddMember(<span class="stringliteral">"threads"</span>, lst, document->GetAllocator());</div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span> }</div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div> |
| <div class="line"><a name="l00261"></a><span class="lineno"><a class="line" href="namespaceimpala.html#aa144bedc9c26ef7b27d86e0c1d8c8048"> 261</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#aa144bedc9c26ef7b27d86e0c1d8c8048">InitThreading</a>() {</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  DCHECK(<a class="code" href="namespaceimpala.html#a5d4ae0d5e2b45a41b97a75f38e3f329d">thread_manager</a>.get() == NULL);</div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="namespaceimpala.html#a5d4ae0d5e2b45a41b97a75f38e3f329d">thread_manager</a>.reset(<span class="keyword">new</span> <a class="code" href="classimpala_1_1ThreadMgr.html">ThreadMgr</a>());</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span> }</div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div> |
| <div class="line"><a name="l00266"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a658486dfb60c978b67b2a1aaed40356c"> 266</a></span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="namespaceimpala.html#a658486dfb60c978b67b2a1aaed40356c">StartThreadInstrumentation</a>(<a class="code" href="classimpala_1_1MetricGroup.html">MetricGroup</a>* metrics, <a class="code" href="classimpala_1_1Webserver.html">Webserver</a>* webserver) {</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceimpala.html#a5d4ae0d5e2b45a41b97a75f38e3f329d">thread_manager</a>->StartInstrumentation(metrics, webserver);</div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span> }</div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div> |
| <div class="line"><a name="l00270"></a><span class="lineno"><a class="line" href="classimpala_1_1Thread.html#aaf91fd871c86273536d91802d0258247"> 270</a></span> <span class="keywordtype">void</span> Thread::StartThread(<span class="keyword">const</span> <a class="code" href="classimpala_1_1Thread.html#a044ce27a118a6a677093b143743c2008">ThreadFunctor</a>& functor) {</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  DCHECK(<a class="code" href="namespaceimpala.html#a5d4ae0d5e2b45a41b97a75f38e3f329d">thread_manager</a>.get() != NULL)</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  << <span class="stringliteral">"Thread created before InitThreading called"</span>;</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  DCHECK(tid_ == UNINITIALISED_THREAD_ID) << <span class="stringliteral">"StartThread called twice"</span>;</div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <a class="code" href="classimpala_1_1Promise.html">Promise<int64_t></a> thread_started;</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  thread_.reset(</div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keyword">new</span> thread(&Thread::SuperviseThread, name_, category_, functor, &thread_started));</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// TODO: This slows down thread creation although not enormously. To make this faster,</span></div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// consider delaying thread_started.Get() until the first call to tid(), but bear in</span></div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">// mind that some coordination is required between SuperviseThread() and this to make</span></div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// sure that the thread is still available to have its tid set.</span></div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  tid_ = thread_started.<a class="code" href="classimpala_1_1Promise.html#a8f2164acd412822ae61ee0b93825ce5e">Get</a>();</div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  VLOG(2) << <span class="stringliteral">"Started thread "</span> << tid_ << <span class="stringliteral">" - "</span> << category_ << <span class="stringliteral">":"</span> << name_;</div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span> }</div> |
| <div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div> |
| <div class="line"><a name="l00288"></a><span class="lineno"><a class="line" href="classimpala_1_1Thread.html#a143f3a2eb86a90160a83a8220c78d83b"> 288</a></span> <span class="keywordtype">void</span> Thread::SuperviseThread(<span class="keyword">const</span> <span class="keywordtype">string</span>& <a class="code" href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">name</a>, <span class="keyword">const</span> <span class="keywordtype">string</span>& category,</div> |
| <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <a class="code" href="classimpala_1_1Thread.html#a044ce27a118a6a677093b143743c2008">Thread::ThreadFunctor</a> functor, <a class="code" href="classimpala_1_1Promise.html">Promise<int64_t></a>* thread_started) {</div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  int64_t system_tid = syscall(SYS_gettid);</div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">if</span> (system_tid == -1) {</div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordtype">string</span> error_msg = <a class="code" href="namespaceimpala.html#a28b1df9d4e17cc617547521c05eebc58">GetStrErrMsg</a>();</div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  LOG_EVERY_N(INFO, 100) << <span class="stringliteral">"Could not determine thread ID: "</span> << error_msg;</div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  }</div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// Make a copy, since we want to refer to these variables after the unsafe point below.</span></div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordtype">string</span> category_copy = category;</div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  shared_ptr<ThreadMgr> thread_mgr_ref = <a class="code" href="namespaceimpala.html#a5d4ae0d5e2b45a41b97a75f38e3f329d">thread_manager</a>;</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  stringstream ss;</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  ss << (name.empty() ? <span class="stringliteral">"thread"</span> : <a class="code" href="namespaceimpala.html#aaebb9aadfa9e5aec064bc26565df06d3">name</a>) << <span class="stringliteral">"-"</span> << system_tid;</div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordtype">string</span> name_copy = ss.str();</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span> (category_copy.empty()) category_copy = <span class="stringliteral">"no-category"</span>;</div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div> |
| <div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">// Use boost's get_id rather than the system thread ID as the unique key for this thread</span></div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">// since the latter is more prone to being recycled.</span></div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  thread_mgr_ref->AddThread(this_thread::get_id(), name_copy, category_copy, system_tid);</div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  thread_started-><a class="code" href="classimpala_1_1Promise.html#abf8dc89791be540e5914372b06eee286">Set</a>(system_tid);</div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">// Any reference to any parameter not copied in by value may no longer be valid after</span></div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="comment">// this point, since the caller that is waiting on *tid != 0 may wake, take the lock and</span></div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">// destroy the enclosing Thread object.</span></div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  functor();</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  thread_mgr_ref->RemoveThread(this_thread::get_id(), category_copy);</div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span> }</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div> |
| <div class="line"><a name="l00318"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadGroup.html#a904906f6e646b111636c937a0d58b4f3"> 318</a></span> <a class="code" href="classimpala_1_1Status.html">Status</a> ThreadGroup::AddThread(<a class="code" href="classimpala_1_1Thread.html">Thread</a>* thread) {</div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  threads_.push_back(thread);</div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> (!cgroup_path_.empty()) {</div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  DCHECK(cgroups_mgr_ != NULL);</div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(cgroups_mgr_->AssignThreadToCgroup(*thread, cgroup_path_));</div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceimpala.html#ac55a10ca0171687156609e8d6ba28127a45b8e4259988c3518a05b9202efb0898">Status::OK</a>;</div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span> }</div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span> </div> |
| <div class="line"><a name="l00327"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadGroup.html#a3a126bacbbb2ae42bcb86494287a6a2f"> 327</a></span> <span class="keywordtype">void</span> ThreadGroup::JoinAll() {</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  BOOST_FOREACH(<span class="keyword">const</span> <a class="code" href="classimpala_1_1Thread.html">Thread</a>& thread, threads_) {</div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  thread.<a class="code" href="classimpala_1_1Thread.html#a5fad57e14b212d8d1bc61b2c00948047">Join</a>();</div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span> }</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div> |
| <div class="line"><a name="l00333"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadGroup.html#a7987df54f6ec94269cb9e8de7ff1d42e"> 333</a></span> <a class="code" href="classimpala_1_1Status.html">Status</a> ThreadGroup::SetCgroup(<span class="keyword">const</span> <span class="keywordtype">string</span>& cgroup) {</div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  DCHECK_NOTNULL(cgroups_mgr_);</div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  cgroup_path_ = cgroup;</div> |
| <div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">// BOOST_FOREACH + ptr_vector + const are not compatible</span></div> |
| <div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">for</span> (ptr_vector<Thread>::const_iterator it = threads_.begin();</div> |
| <div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  it != threads_.end(); ++it) {</div> |
| <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(cgroups_mgr_->AssignThreadToCgroup(*it, cgroup));</div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  }</div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceimpala.html#ac55a10ca0171687156609e8d6ba28127a45b8e4259988c3518a05b9202efb0898">Status::OK</a>;</div> |
| <div class="line"><a name="l00342"></a><span class="lineno"> 342</span> }</div> |
| <div class="line"><a name="l00343"></a><span class="lineno"> 343</span> </div> |
| <div class="line"><a name="l00344"></a><span class="lineno"> 344</span> }</div> |
| <div class="ttc" id="namespaceimpala_html_a7dcbd350dedfb1ee3d91ce05be5e9ae8"><div class="ttname"><a href="namespaceimpala.html#a7dcbd350dedfb1ee3d91ce05be5e9ae8">impala::THREADS_TEMPLATE</a></div><div class="ttdeci">static const string THREADS_TEMPLATE</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00041">thread.cc:41</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_html_a9731bd3c2b110448c317396969c33364"><div class="ttname"><a href="classimpala_1_1ThreadMgr.html#a9731bd3c2b110448c317396969c33364">impala::ThreadMgr::total_threads_metric_</a></div><div class="ttdeci">IntGauge * total_threads_metric_</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00110">thread.cc:110</a></div></div> |
| <div class="ttc" id="structimpala_1_1ThreadStats_html_acae252d5c48a4c61f2cb64ff16abc53e"><div class="ttname"><a href="structimpala_1_1ThreadStats.html#acae252d5c48a4c61f2cb64ff16abc53e">impala::ThreadStats::kernel_ns</a></div><div class="ttdeci">int64_t kernel_ns</div><div class="ttdef"><b>Definition:</b> <a href="os-util_8h_source.html#l00029">os-util.h:29</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_html_a32785e486370e4390f94288b66688c98"><div class="ttname"><a href="classimpala_1_1ThreadMgr.html#a32785e486370e4390f94288b66688c98">impala::ThreadMgr::ThreadMgr</a></div><div class="ttdeci">ThreadMgr()</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00056">thread.cc:56</a></div></div> |
| <div class="ttc" id="classimpala_1_1Status_html_adf1a3ee82776f6102bfe873925183159"><div class="ttname"><a href="classimpala_1_1Status.html#adf1a3ee82776f6102bfe873925183159">impala::Status::GetDetail</a></div><div class="ttdeci">const std::string GetDetail() const </div><div class="ttdef"><b>Definition:</b> <a href="status_8cc_source.html#l00184">status.cc:184</a></div></div> |
| <div class="ttc" id="cgroups-mgr_8h_html"><div class="ttname"><a href="cgroups-mgr_8h.html">cgroups-mgr.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_1_1ThreadDescriptor_html_ab1cad7fa00b3595c897fa2bdb4c847b7"><div class="ttname"><a href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#ab1cad7fa00b3595c897fa2bdb4c847b7">impala::ThreadMgr::ThreadDescriptor::thread_id_</a></div><div class="ttdeci">int64_t thread_id_</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00088">thread.cc:88</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_html_a0f659d936925614fe798a79f80756cce"><div class="ttname"><a href="classimpala_1_1ThreadMgr.html#a0f659d936925614fe798a79f80756cce">impala::ThreadMgr::thread_categories_</a></div><div class="ttdeci">ThreadCategoryMap thread_categories_</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00103">thread.cc:103</a></div></div> |
| <div class="ttc" id="classIntGauge_html"><div class="ttname"><a href="classIntGauge.html">IntGauge</a></div></div> |
| <div class="ttc" id="classimpala_1_1Thread_html"><div class="ttname"><a href="classimpala_1_1Thread.html">impala::Thread</a></div><div class="ttdoc">TODO: Consider allowing fragment IDs as category parameters. </div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00045">thread.h:45</a></div></div> |
| <div class="ttc" id="classimpala_1_1Promise_html_abf8dc89791be540e5914372b06eee286"><div class="ttname"><a href="classimpala_1_1Promise.html#abf8dc89791be540e5914372b06eee286">impala::Promise::Set</a></div><div class="ttdeci">void Set(const T &val)</div><div class="ttdef"><b>Definition:</b> <a href="promise_8h_source.html#l00038">promise.h:38</a></div></div> |
| <div class="ttc" id="classimpala_1_1Webserver_html_a15b9a034c37e397257603fda18de5d17"><div class="ttname"><a href="classimpala_1_1Webserver.html#a15b9a034c37e397257603fda18de5d17">impala::Webserver::UrlCallback</a></div><div class="ttdeci">boost::function< void(const ArgumentMap &args, rapidjson::Document *json)> UrlCallback</div><div class="ttdef"><b>Definition:</b> <a href="webserver_8h_source.html#l00038">webserver.h:38</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_1_1ThreadDescriptor_html_a5deb32ff17052561585e346fab99dd16"><div class="ttname"><a href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a5deb32ff17052561585e346fab99dd16">impala::ThreadMgr::ThreadDescriptor::category</a></div><div class="ttdeci">const string & category() const </div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00082">thread.cc:82</a></div></div> |
| <div class="ttc" id="classimpala_1_1Promise_html"><div class="ttname"><a href="classimpala_1_1Promise.html">impala::Promise</a></div><div class="ttdef"><b>Definition:</b> <a href="promise_8h_source.html#l00032">promise.h:32</a></div></div> |
| <div class="ttc" id="status_8h_html_a85f7d0e774e15eb35b74f53264305e16"><div class="ttname"><a href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(stmt)</div><div class="ttdoc">some generally useful macros </div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00242">status.h:242</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_1_1ThreadDescriptor_html_a8b8bc8a12ce5c1b21bfd191c9ce625f4"><div class="ttname"><a href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a8b8bc8a12ce5c1b21bfd191c9ce625f4">impala::ThreadMgr::ThreadDescriptor::name_</a></div><div class="ttdeci">string name_</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00086">thread.cc:86</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_aed60da33c229359d194b45baefe992be"><div class="ttname"><a href="namespaceimpala.html#aed60da33c229359d194b45baefe992be">impala::THREADS_WEB_PAGE</a></div><div class="ttdeci">static const string THREADS_WEB_PAGE</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00040">thread.cc:40</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_html_a82486680ae060b09c5dd75fd5ff9e7de"><div class="ttname"><a href="classimpala_1_1ThreadMgr.html#a82486680ae060b09c5dd75fd5ff9e7de">impala::ThreadMgr::metrics_enabled_</a></div><div class="ttdeci">bool metrics_enabled_</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00106">thread.cc:106</a></div></div> |
| <div class="ttc" id="error-util_8h_html"><div class="ttname"><a href="error-util_8h.html">error-util.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1MetricGroup_html"><div class="ttname"><a href="classimpala_1_1MetricGroup.html">impala::MetricGroup</a></div><div class="ttdoc">MetricGroups may be organised hierarchically as a tree. </div><div class="ttdef"><b>Definition:</b> <a href="metrics_8h_source.html#l00200">metrics.h:200</a></div></div> |
| <div class="ttc" id="classimpala_1_1Webserver_html_ab6d6b78ae57c1c61b200dcb05ecf8055"><div class="ttname"><a href="classimpala_1_1Webserver.html#ab6d6b78ae57c1c61b200dcb05ecf8055">impala::Webserver::RegisterUrlCallback</a></div><div class="ttdeci">void RegisterUrlCallback(const std::string &path, const std::string &template_filename, const UrlCallback &callback, bool is_on_nav_bar=true)</div><div class="ttdoc">Only one callback may be registered per URL. </div><div class="ttdef"><b>Definition:</b> <a href="webserver_8cc_source.html#l00412">webserver.cc:412</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_1_1ThreadDescriptor_html_aeffc7d09caa5c3ced22f13b0c1ce9e9a"><div class="ttname"><a href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#aeffc7d09caa5c3ced22f13b0c1ce9e9a">impala::ThreadMgr::ThreadDescriptor::name</a></div><div class="ttdeci">const string & name() const </div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00081">thread.cc:81</a></div></div> |
| <div class="ttc" id="structimpala_1_1ThreadStats_html_a4a2abf8756455f3d85a2d7814df11c4f"><div class="ttname"><a href="structimpala_1_1ThreadStats.html#a4a2abf8756455f3d85a2d7814df11c4f">impala::ThreadStats::user_ns</a></div><div class="ttdeci">int64_t user_ns</div><div class="ttdef"><b>Definition:</b> <a href="os-util_8h_source.html#l00028">os-util.h:28</a></div></div> |
| <div class="ttc" id="classimpala_1_1Webserver_html_ac9f7aacffabb53e5c203ea7a3652802b"><div class="ttname"><a href="classimpala_1_1Webserver.html#ac9f7aacffabb53e5c203ea7a3652802b">impala::Webserver::ArgumentMap</a></div><div class="ttdeci">std::map< std::string, std::string > ArgumentMap</div><div class="ttdef"><b>Definition:</b> <a href="webserver_8h_source.html#l00036">webserver.h:36</a></div></div> |
| <div class="ttc" id="thread_8h_html"><div class="ttname"><a href="thread_8h.html">thread.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_1_1ThreadDescriptor_html_ab1d6059297aba36a86d253fbb80949bb"><div class="ttname"><a href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#ab1d6059297aba36a86d253fbb80949bb">impala::ThreadMgr::ThreadDescriptor::thread_id</a></div><div class="ttdeci">int64_t thread_id() const </div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00083">thread.cc:83</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_html_a3fb38c12d4169a3ef5f4af38e4dbbed0"><div class="ttname"><a href="classimpala_1_1ThreadMgr.html#a3fb38c12d4169a3ef5f4af38e4dbbed0">impala::ThreadMgr::ThreadCategoryMap</a></div><div class="ttdeci">map< string, ThreadCategory > ThreadCategoryMap</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00097">thread.cc:97</a></div></div> |
| <div class="ttc" id="classimpala_1_1Status_html"><div class="ttname"><a href="classimpala_1_1Status.html">impala::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00081">status.h:81</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a658486dfb60c978b67b2a1aaed40356c"><div class="ttname"><a href="namespaceimpala.html#a658486dfb60c978b67b2a1aaed40356c">impala::StartThreadInstrumentation</a></div><div class="ttdeci">Status StartThreadInstrumentation(MetricGroup *metrics, Webserver *webserver)</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00266">thread.cc:266</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_1_1ThreadDescriptor_html"><div class="ttname"><a href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html">impala::ThreadMgr::ThreadDescriptor</a></div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00074">thread.cc:74</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_1_1ThreadDescriptor_html_a6e65d4a217ca36f4f346eb74e6512fc3"><div class="ttname"><a href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a6e65d4a217ca36f4f346eb74e6512fc3">impala::ThreadMgr::ThreadDescriptor::ThreadDescriptor</a></div><div class="ttdeci">ThreadDescriptor(const string &category, const string &name, int64_t thread_id)</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00077">thread.cc:77</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_aa144bedc9c26ef7b27d86e0c1d8c8048"><div class="ttname"><a href="namespaceimpala.html#aa144bedc9c26ef7b27d86e0c1d8c8048">impala::InitThreading</a></div><div class="ttdeci">void InitThreading()</div><div class="ttdoc">Initialises the threading subsystem. Must be called before a Thread is created. </div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00261">thread.cc:261</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_html_ab3b7c6a0481bd007e33bb417c32fb838"><div class="ttname"><a href="classimpala_1_1ThreadMgr.html#ab3b7c6a0481bd007e33bb417c32fb838">impala::ThreadMgr::lock_</a></div><div class="ttdeci">mutex lock_</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00100">thread.cc:100</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a28b1df9d4e17cc617547521c05eebc58"><div class="ttname"><a href="namespaceimpala.html#a28b1df9d4e17cc617547521c05eebc58">impala::GetStrErrMsg</a></div><div class="ttdeci">string GetStrErrMsg()</div><div class="ttdef"><b>Definition:</b> <a href="error-util_8cc_source.html#l00030">error-util.cc:30</a></div></div> |
| <div class="ttc" id="debug-util_8h_html"><div class="ttname"><a href="debug-util_8h.html">debug-util.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_1_1ThreadDescriptor_html_a5c42bdc18100136a06241197d44ae848"><div class="ttname"><a href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#a5c42bdc18100136a06241197d44ae848">impala::ThreadMgr::ThreadDescriptor::ThreadDescriptor</a></div><div class="ttdeci">ThreadDescriptor()</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00076">thread.cc:76</a></div></div> |
| <div class="ttc" id="lock-benchmark_8cc_html_afbf2eef9150eb3a3ad8d8674115ddad8"><div class="ttname"><a href="lock-benchmark_8cc.html#afbf2eef9150eb3a3ad8d8674115ddad8">lock_</a></div><div class="ttdeci">mutex lock_</div><div class="ttdef"><b>Definition:</b> <a href="lock-benchmark_8cc_source.html#l00072">lock-benchmark.cc:72</a></div></div> |
| <div class="ttc" id="url-coding_8h_html"><div class="ttname"><a href="url-coding_8h.html">url-coding.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1Promise_html_a8f2164acd412822ae61ee0b93825ce5e"><div class="ttname"><a href="classimpala_1_1Promise.html#a8f2164acd412822ae61ee0b93825ce5e">impala::Promise::Get</a></div><div class="ttdeci">const T & Get()</div><div class="ttdef"><b>Definition:</b> <a href="promise_8h_source.html#l00059">promise.h:59</a></div></div> |
| <div class="ttc" id="structimpala_1_1ThreadStats_html"><div class="ttname"><a href="structimpala_1_1ThreadStats.html">impala::ThreadStats</a></div><div class="ttdoc">Container struct for statistics read from the /proc filesystem for a thread. </div><div class="ttdef"><b>Definition:</b> <a href="os-util_8h_source.html#l00027">os-util.h:27</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_html_a82169a221245eb852b36ecd76cccaaf8"><div class="ttname"><a href="classimpala_1_1ThreadMgr.html#a82169a221245eb852b36ecd76cccaaf8">impala::ThreadMgr::ThreadCategory</a></div><div class="ttdeci">map< const thread::id, ThreadDescriptor > ThreadCategory</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00094">thread.cc:94</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_ac55a10ca0171687156609e8d6ba28127a45b8e4259988c3518a05b9202efb0898"><div class="ttname"><a href="namespaceimpala.html#ac55a10ca0171687156609e8d6ba28127a45b8e4259988c3518a05b9202efb0898">impala::OK</a></div><div class="ttdef"><b>Definition:</b> <a href="webserver_8cc_source.html#l00115">webserver.cc:115</a></div></div> |
| <div class="ttc" id="classimpala_1_1MetricGroup_html_a32616eb20d4069c50427dfde1f89c376"><div class="ttname"><a href="classimpala_1_1MetricGroup.html#a32616eb20d4069c50427dfde1f89c376">impala::MetricGroup::AddGauge</a></div><div class="ttdeci">SimpleMetric< T > * AddGauge(const std::string &key, const T &value, const TUnit::type unit=TUnit::NONE, const std::string &description="")</div><div class="ttdoc">Create a gauge metric object with given key and initial value (owned by this object) ...</div><div class="ttdef"><b>Definition:</b> <a href="metrics_8h_source.html#l00223">metrics.h:223</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_html_a1c179d6d5e5043e9ea3e4a35411a632e"><div class="ttname"><a href="classimpala_1_1ThreadMgr.html#a1c179d6d5e5043e9ea3e4a35411a632e">impala::ThreadMgr::current_num_threads_metric_</a></div><div class="ttdeci">IntGauge * current_num_threads_metric_</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00111">thread.cc:111</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a71cb96965f11be95b04ffac8c5ee8691"><div class="ttname"><a href="namespaceimpala.html#a71cb96965f11be95b04ffac8c5ee8691">impala::GetThreadStats</a></div><div class="ttdeci">Status GetThreadStats(int64_t tid, ThreadStats *stats)</div><div class="ttdef"><b>Definition:</b> <a href="os-util_8cc_source.html#l00052">os-util.cc:52</a></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="namespaceimpala_html_a5d4ae0d5e2b45a41b97a75f38e3f329d"><div class="ttname"><a href="namespaceimpala.html#a5d4ae0d5e2b45a41b97a75f38e3f329d">impala::thread_manager</a></div><div class="ttdeci">shared_ptr< ThreadMgr > thread_manager</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00043">thread.cc:43</a></div></div> |
| <div class="ttc" id="os-util_8h_html"><div class="ttname"><a href="os-util_8h.html">os-util.h</a></div></div> |
| <div class="ttc" id="webserver_8h_html"><div class="ttname"><a href="webserver_8h.html">webserver.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1Status_html_a95ba859e42fe93445b340533220836ac"><div class="ttname"><a href="classimpala_1_1Status.html#a95ba859e42fe93445b340533220836ac">impala::Status::ok</a></div><div class="ttdeci">bool ok() const </div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00172">status.h:172</a></div></div> |
| <div class="ttc" id="classimpala_1_1Webserver_html"><div class="ttname"><a href="classimpala_1_1Webserver.html">impala::Webserver</a></div><div class="ttdef"><b>Definition:</b> <a href="webserver_8h_source.html#l00034">webserver.h:34</a></div></div> |
| <div class="ttc" id="classimpala_1_1Thread_html_a5fad57e14b212d8d1bc61b2c00948047"><div class="ttname"><a href="classimpala_1_1Thread.html#a5fad57e14b212d8d1bc61b2c00948047">impala::Thread::Join</a></div><div class="ttdeci">void Join() const </div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00102">thread.h:102</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="classimpala_1_1ThreadMgr_1_1ThreadDescriptor_html_ad5a8c80a5c1b6a8203c436615ad8bff3"><div class="ttname"><a href="classimpala_1_1ThreadMgr_1_1ThreadDescriptor.html#ad5a8c80a5c1b6a8203c436615ad8bff3">impala::ThreadMgr::ThreadDescriptor::category_</a></div><div class="ttdeci">string category_</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00087">thread.cc:87</a></div></div> |
| <div class="ttc" id="structimpala_1_1ThreadStats_html_a6b7e3af180be36dbfad731416b3671dd"><div class="ttname"><a href="structimpala_1_1ThreadStats.html#a6b7e3af180be36dbfad731416b3671dd">impala::ThreadStats::iowait_ns</a></div><div class="ttdeci">int64_t iowait_ns</div><div class="ttdef"><b>Definition:</b> <a href="os-util_8h_source.html#l00030">os-util.h:30</a></div></div> |
| <div class="ttc" id="metrics_8h_html"><div class="ttname"><a href="metrics_8h.html">metrics.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadMgr_html"><div class="ttname"><a href="classimpala_1_1ThreadMgr.html">impala::ThreadMgr</a></div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00054">thread.cc:54</a></div></div> |
| <div class="ttc" id="classimpala_1_1Thread_html_a044ce27a118a6a677093b143743c2008"><div class="ttname"><a href="classimpala_1_1Thread.html#a044ce27a118a6a677093b143743c2008">impala::Thread::ThreadFunctor</a></div><div class="ttdeci">boost::function< void()> ThreadFunctor</div><div class="ttdoc">Function object that wraps the user-supplied function to run in a separate thread. </div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00117">thread.h:117</a></div></div> |
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