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i < this->m_childs.size(); i++)\n+        {\n+            if(this->m_childs[i]->m_payload == payload)\n+                return this->m_childs[i];\n+        }\n+    }\n+    return NULL;\n+}\n+\n+template<class OBJECT>\n+int Node<OBJECT>::findChild(Node *pNode) const\n+{\n+    if(m_childs.size())\n+    {\n+        for (int i = 0; i < this->m_childs.size(); i++)\n+        {\n+            if(this->m_childs[i] == pNode)\n+                return i;\n+        }\n+    }\n+    return -1;\n+}\n+\n+template<class OBJECT>\n+void Node<OBJECT>::removeChilds()\n+{\n+    if(m_childs.size())\n+    {\n+        for(int i = 0; i < m_childs.size(); i++)\n+        {\n+            m_childs[i]->m_pParent = 0; // avoid excessive parent vector trimming\n+            delete m_childs[i];\n+        }\n+        m_childs.clear();\n+    }\n+}\n+\n+namespace instr\n+{\n+bool useInstrumentation()\n+{\n+#ifdef ENABLE_INSTRUMENTATION\n+    return getInstrumentStruct().useInstr;\n+#else\n+    return false;\n+#endif\n+}\n+\n+void setUseInstrumentation(bool flag)\n+{\n+#ifdef ENABLE_INSTRUMENTATION\n+    getInstrumentStruct().useInstr = flag;\n+#else\n+    CV_UNUSED(flag);\n+#endif\n+}\n+\n+InstrNode* getTrace()\n+{\n+#ifdef ENABLE_INSTRUMENTATION\n+    return &getInstrumentStruct().rootNode;\n+#else\n+    return NULL;\n+#endif\n+}\n+void resetTrace()\n+{\n+#ifdef ENABLE_INSTRUMENTATION\n+    getInstrumentStruct().rootNode.removeChilds();\n+    getInstrumentTLSStruct().pCurrentNode = &getInstrumentStruct().rootNode;\n+#endif\n+}\n+void queueCommand(int command)\n+{\n+#ifdef ENABLE_INSTRUMENTATION\n+    getInstrumentStruct().queue.push_back(command);\n+#else\n+    CV_UNUSED(command);\n+#endif\n+}\n+#ifdef ENABLE_INSTRUMENTATION\n+static void processCommand(int command)\n+{\n+    if(command == COMMAND_RESET)\n+        resetTrace();\n+}\n+#endif\n+void processQueue(int command)\n+{\n+#ifdef ENABLE_INSTRUMENTATION\n+    std::vector<int> &queue = getInstrumentStruct().queue;\n+    if(!queue.size())\n+        return;\n+\n+    if(command < 0)\n+    {\n+        while(queue.size())\n+        {\n+            processCommand(queue.back());\n+            queue.pop_back();\n+        }\n+    }\n+    else\n+    {\n+        for(int i = (int)queue.size() - 1; i >= 0; i--)\n+        {\n+            if(queue[i] == command)\n+            {\n+                processCommand(command);\n+                queue.erase(queue.begin()+i);\n+            }\n+        }\n+    }\n+#else\n+    CV_UNUSED(command);\n+#endif\n+}\n+\n+void setFlags(int modeFlags)\n+{\n+#ifdef ENABLE_INSTRUMENTATION\n+    getInstrumentStruct().enableMapping = (modeFlags & FLAGS_MAPPING);\n+#else\n+    CV_UNUSED(modeFlags);\n+#endif\n+}\n+int getFlags()\n+{\n+#ifdef ENABLE_INSTRUMENTATION\n+    int flags = 0;\n+    if(getInstrumentStruct().enableMapping)\n+        flags |= FLAGS_MAPPING;\n+    return flags;\n+#else\n+    return 0;\n+#endif\n+}\n+\n+NodeData::NodeData(const char* funName, int instrType, int implType)\n+{\n+    m_instrType = TYPE_GENERAL;\n+    m_implType  = IMPL_PLAIN;\n+\n+    m_funError  = false;\n+    m_counter   = 0;\n+    m_ticksAcc  = 0;\n+    m_stopPoint = false;\n+    m_mtRegion  = false;\n+    m_pRefNode  = NULL;\n+    m_pTls      = NULL;\n+\n+    m_funName     = funName;\n+    m_instrType   = instrType;\n+    m_implType    = implType;\n+}\n+NodeData::NodeData(NodeData &ref)\n+{\n+    *this = ref;\n+}\n+NodeData& NodeData::operator=(const NodeData &right)\n+{\n+    this->m_funName     = right.m_funName;\n+    this->m_instrType   = right.m_instrType;\n+    this->m_implType    = right.m_implType;\n+    this->m_funError    = right.m_funError;\n+    this->m_counter     = right.m_counter;\n+    this->m_ticksAcc    = right.m_ticksAcc;\n+    this->m_stopPoint   = right.m_stopPoint;\n+    this->m_mtRegion    = right.m_mtRegion;\n+    this->m_pTls        = NULL;\n+\n+    return *this;\n+}\n+NodeData::~NodeData()\n+{\n+    if(m_pTls)\n+    {\n+        delete m_pTls;\n+        m_pTls = NULL;\n+    }\n+}\n+bool operator==(const NodeData& left, const NodeData& right)\n+{\n+    if(left.m_funName == right.m_funName)\n+        return true;\n+    return false;\n+}\n+\n+#ifdef ENABLE_INSTRUMENTATION\n+InstrStruct& getInstrumentStruct()\n+{\n+    static InstrStruct instr;\n+    return instr;\n+}\n+\n+InstrTLSStruct& getInstrumentTLSStruct()\n+{\n+    return *getInstrumentStruct().tlsStruct.get();\n+}\n+\n+InstrNode* getCurrentNode()\n+{\n+    return getInstrumentTLSStruct().pCurrentNode;\n+}\n+\n+IntrumentationRegion::IntrumentationRegion(const char* funName, const char*, int, int instrType, int implType, bool mt)\n+{\n+    m_disabled    = false;\n+    m_regionTicks = 0;\n+    m_mtPoint     = false;\n+\n+    InstrStruct *pStruct = &getInstrumentStruct();\n+    if(pStruct->useInstr)\n+    {\n+        m_mtPoint = mt;\n+        InstrTLSStruct *pTLS = &getInstrumentTLSStruct();\n+        if(!pTLS->pCurrentNode)\n+        {\n+            pTLS->pCurrentNode = pStruct->pRefNode; // Initialize TLS node for thread\n+        }\n+\n+        // Disable in case of failure\n+        if(!pTLS->pCurrentNode)\n+        {\n+            CV_DbgAssert(pTLS->pCurrentNode != NULL);\n+            m_disabled = true;\n+            return;\n+        }\n+\n+        m_disabled = pTLS->pCurrentNode->m_payload.m_stopPoint;\n+        if(m_disabled)\n+            return;","path":"modules/core/src/system.cpp","position":275,"original_position":275,"commit_id":"f689b9c632337795eb071b4ec6d24bb0169a57e2","original_commit_id":"f689b9c632337795eb071b4ec6d24bb0169a57e2","user":{"login":"alalek","id":4981219,"avatar_url":"https://avatars.githubusercontent.com/u/4981219?v=3","gravatar_id":"","url":"https://api.github.com/users/alalek","html_url":"https://github.com/alalek","followers_url":"https://api.github.com/users/alalek/followers","following_url":"https://api.github.com/users/alalek/following{/other_user}","gists_url":"https://api.github.com/users/alalek/gists{/gist_id}","starred_url":"https://api.github.com/users/alalek/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/alalek/subscriptions","organizations_url":"https://api.github.com/users/alalek/orgs","repos_url":"https://api.github.com/users/alalek/repos","events_url":"https://api.github.com/users/alalek/events{/privacy}","received_events_url":"https://api.github.com/users/alalek/received_events","type":"User","site_admin":false},"body":"Ok","created_at":"2016-08-16T13:11:46Z","updated_at":"2016-08-16T13:11:46Z","html_url":"https://github.com/opencv/opencv/pull/7101#discussion_r74930803","pull_request_url":"https://api.github.com/repos/opencv/opencv/pulls/7101","_links":{"self":{"href":"https://api.github.com/repos/opencv/opencv/pulls/comments/74930803"},"html":{"href":"https://github.com/opencv/opencv/pull/7101#discussion_r74930803"},"pull_request":{"href":"https://api.github.com/repos/opencv/opencv/pulls/7101"}}},"pull_request":{"url":"https://api.github.com/repos/opencv/opencv/pulls/7101","id":81073803,"html_url":"https://github.com/opencv/opencv/pull/7101","diff_url":"https://github.com/opencv/opencv/pull/7101.diff","patch_url":"https://github.com/opencv/opencv/pull/7101.patch","issue_url":"https://api.github.com/repos/opencv/opencv/issues/7101","number":7101,"state":"open","locked":false,"title":"Implementations instrumentation framework for OpenCV performance test system;","user":{"login":"lupustr3","id":6407682,"avatar_url":"https://avatars.githubusercontent.com/u/6407682?v=3","gravatar_id":"","url":"https://api.github.com/users/lupustr3","html_url":"https://github.com/lupustr3","followers_url":"https://api.github.com/users/lupustr3/followers","following_url":"https://api.github.com/users/lupustr3/following{/other_user}","gists_url":"https://api.github.com/users/lupustr3/gists{/gist_id}","starred_url":"https://api.github.com/users/lupustr3/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lupustr3/subscriptions","organizations_url":"https://api.github.com/users/lupustr3/orgs","repos_url":"https://api.github.com/users/lupustr3/repos","events_url":"https://api.github.com/users/lupustr3/events{/privacy}","received_events_url":"https://api.github.com/users/lupustr3/received_events","type":"User","site_admin":false},"body":"### This pullrequest changes\r\n\r\nInstrumentation framework for OpenCV performance test system. It was developed to:\r\n- track implementations execution inside OpenCV functions with call tree output to test logs\r\n- track implementations execution time weight in the pipeline\r\n\r\nFramework can be enabled with ENABLE_INSTRUMENTATION define in CMake and disabled by default. In disabled state it doesn't consume resources.\r\n\r\nExample instrumentation was implemented for cv::meanStdDev function:\r\n\r\nOutput example for IPP:\r\n```\r\n[ RUN      ] Size_MatType_meanStdDev.meanStdDev/6\r\n[ PERFSTAT ]    (samples = 25, mean = 0.10, median = 0.10, stddev = 0.00 (0.5%))\r\n[ VALUE    ]    (1920x1080, 8UC1)\r\n[ TRACE    ]\r\nROOT\r\n\\---cv::meanStdDev - C:25 /*entries counter*/ T:2.3906ms /*block execution time*/\r\n    \\---cv::ipp_meanStdDev<W_IPP> - C:25 T:2.3269ms L:97% /*weight in local block*/ G:97% /*weight in entire pipeline*/\r\n        \\---ippiMean_StdDev_C1R<F_IPP> - C:25 T:2.2700ms L:98% G:95%\r\n\r\nIPP weight: 95.0% /*total implementation functions execution weight across all entries*/\r\nOPENCL weight: 0.0%\r\n[/TRACE    ]\r\n[       OK ] Size_MatType_meanStdDev.meanStdDev/6 (77 ms)\r\n```\r\n\r\nOutput example for OpenCL:\r\n```\r\n[ RUN      ] OCL_MeanStdDevFixture_MeanStdDev.MeanStdDev/7\r\n[ PERFSTAT ]    (samples = 25, mean = 0.23, median = 0.23, stddev = 0.00 (1.8%))\r\n[ VALUE    ]    (1280x720, 32FC1)\r\n[ TRACE    ]\r\nROOT\r\n\\---cv::meanStdDev - C:25 T:5.8007ms\r\n    \\---cv::ocl_meanStdDev<W_OCL> - C:25 T:5.7412ms L:99% G:99%\r\n        \\---k.run<F_OCL> - C:25 T:3.5630ms L:62% G:61%\r\n\r\nIPP weight: 0.0%\r\nOPENCL weight: 61.4%\r\n[/TRACE    ]\r\n[       OK ] OCL_MeanStdDevFixture_MeanStdDev.MeanStdDev/7 (36 ms)\r\n```\r\n","created_at":"2016-08-12T06:39:02Z","updated_at":"2016-08-16T13:11:46Z","closed_at":null,"merged_at":null,"merge_commit_sha":"9ad0582f0ea9276435b5ada73a0441fc7f08dcdc","assignee":null,"assignees":[],"milestone":null,"commits_url":"https://api.github.com/repos/opencv/opencv/pulls/7101/commits","review_comments_url":"https://api.github.com/repos/opencv/opencv/pulls/7101/comments","review_comment_url":"https://api.github.com/repos/opencv/opencv/pulls/comments{/number}","comments_url":"https://api.github.com/repos/opencv/opencv/issues/7101/comments","statuses_url":"https://api.github.com/repos/opencv/opencv/statuses/f689b9c632337795eb071b4ec6d24bb0169a57e2","head":{"label":"lupustr3:pvlasov/instrumentation","ref":"pvlasov/instrumentation","sha":"f689b9c632337795eb071b4ec6d24bb0169a57e2","user":{"login":"lupustr3","id":6407682,"avatar_url":"https://avatars.githubusercontent.com/u/6407682?v=3","gravatar_id":"","url":"https://api.github.com/users/lupustr3","html_url":"https://github.com/lupustr3","followers_url":"https://api.github.com/users/lupustr3/followers","following_url":"https://api.github.com/users/lupustr3/following{/other_user}","gists_url":"https://api.github.com/users/lupustr3/gists{/gist_id}","starred_url":"https://api.github.com/users/lupustr3/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lupustr3/subscriptions","organizations_url":"https://api.github.com/users/lupustr3/orgs","repos_url":"https://api.github.com/users/lupustr3/repos","events_url":"https://api.github.com/users/lupustr3/events{/privacy}","received_events_url":"https://api.github.com/users/lupustr3/received_events","type":"User","site_admin":false},"repo":{"id":24755211,"name":"opencv","full_name":"lupustr3/opencv","owner":{"login":"lupustr3","id":6407682,"avatar_url":"https://avatars.githubusercontent.com/u/6407682?v=3","gravatar_id":"","url":"https://api.github.com/users/lupustr3","html_url":"https://github.com/lupustr3","followers_url":"https://api.github.com/users/lupustr3/followers","following_url":"https://api.github.com/users/lupustr3/following{/other_user}","gists_url":"https://api.github.com/users/lupustr3/gists{/gist_id}","starred_url":"https://api.github.com/users/lupustr3/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lupustr3/subscriptions","organizations_url":"https://api.github.com/users/lupustr3/orgs","repos_url":"https://api.github.com/users/lupustr3/repos","events_url":"https://api.github.com/users/lupustr3/events{/privacy}","received_events_url":"https://api.github.com/users/lupustr3/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/lupustr3/opencv","description":"Open 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