[GitHub] [incubator-doris] xinyiZzz commented on a change in pull request #8476: [Feature] (Memory) Hook TCMalloc new/delete automatically counts to MemTracker

[GitBox]

xinyiZzz commented on a change in pull request #8476:
URL: https://github.com/apache/incubator-doris/pull/8476#discussion_r828866893



##########
File path: be/src/runtime/thread_context.h
##########
@@ -50,27 +56,65 @@ class ThreadContext {
     };
 
 public:
-    ThreadContext() : _thread_id(std::this_thread::get_id()), 
_type(TaskType::UNKNOWN) {}
+    ThreadContext() : _thread_id(std::this_thread::get_id()), 
_type(TaskType::UNKNOWN) {
+        _thread_mem_tracker_mgr.reset(new ThreadMemTrackerMgr());
+    }
 
     void attach(const TaskType& type, const std::string& task_id,
-                const TUniqueId& fragment_instance_id) {
+                const TUniqueId& fragment_instance_id,
+                const std::shared_ptr<MemTracker>& mem_tracker) {
         DCHECK(_type == TaskType::UNKNOWN && _task_id == "");
         _type = type;
         _task_id = task_id;
         _fragment_instance_id = fragment_instance_id;
+        _thread_mem_tracker_mgr->attach_task(task_type_string(_type), task_id, 
fragment_instance_id,
+                                             mem_tracker);
     }
 
     void detach() {
         _type = TaskType::UNKNOWN;
         _task_id = "";
         _fragment_instance_id = TUniqueId();
+        _thread_mem_tracker_mgr->detach_task();
     }
 
-    const std::string type() const;
     const std::string& task_id() const { return _task_id; }
     const std::thread::id& thread_id() const { return _thread_id; }
     const TUniqueId& fragment_instance_id() const { return 
_fragment_instance_id; }
 
+    inline static const std::string task_type_string(ThreadContext::TaskType 
type) {
+        switch (type) {
+        case ThreadContext::TaskType::QUERY:
+            return "QUERY";
+        case ThreadContext::TaskType::LOAD:
+            return "LOAD";
+        case ThreadContext::TaskType::COMPACTION:
+            return "COMPACTION";
+        default:
+            return "UNKNOWN";
+        }
+    }
+
+    void consume_mem(int64_t size) {
+        if (thread_mem_tracker_mgr_init == true) {

Review comment:
       done




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