2 * Copyright (C) 2015 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef SIMPLE_PERF_THREAD_TREE_H_
18 #define SIMPLE_PERF_THREAD_TREE_H_
32 uint64_t time; // Map creation time.
36 struct MapComparator {
37 bool operator()(const MapEntry* map1, const MapEntry* map2) const;
43 const char* comm; // It always refers to the latest comm.
44 std::set<MapEntry*, MapComparator> maps;
49 ThreadTree() : unknown_symbol_("unknown", 0, std::numeric_limits<unsigned long long>::max()) {
50 unknown_dso_ = Dso::CreateDso(DSO_ELF_FILE, "unknown");
51 unknown_map_ = MapEntry{
53 std::numeric_limits<unsigned long long>::max(), // len
56 unknown_dso_.get(), // dso
60 void AddThread(int pid, int tid, const std::string& comm);
61 void ForkThread(int pid, int tid, int ppid, int ptid);
62 ThreadEntry* FindThreadOrNew(int pid, int tid);
63 void AddKernelMap(uint64_t start_addr, uint64_t len, uint64_t pgoff, uint64_t time,
64 const std::string& filename);
65 void AddThreadMap(int pid, int tid, uint64_t start_addr, uint64_t len, uint64_t pgoff,
66 uint64_t time, const std::string& filename);
67 const MapEntry* FindMap(const ThreadEntry* thread, uint64_t ip, bool in_kernel);
68 const Symbol* FindSymbol(const MapEntry* map, uint64_t ip);
69 const MapEntry* UnknownMap() const {
74 Dso* FindKernelDsoOrNew(const std::string& filename);
75 Dso* FindUserDsoOrNew(const std::string& filename);
77 std::unordered_map<int, std::unique_ptr<ThreadEntry>> thread_tree_;
78 std::vector<std::unique_ptr<std::string>> thread_comm_storage_;
80 std::set<MapEntry*, MapComparator> kernel_map_tree_;
81 std::vector<std::unique_ptr<MapEntry>> map_storage_;
82 MapEntry unknown_map_;
84 std::unique_ptr<Dso> kernel_dso_;
85 std::unordered_map<std::string, std::unique_ptr<Dso>> module_dso_tree_;
86 std::unordered_map<std::string, std::unique_ptr<Dso>> user_dso_tree_;
87 std::unique_ptr<Dso> unknown_dso_;
88 Symbol unknown_symbol_;
93 void BuildThreadTree(const Record& record, ThreadTree* thread_tree);
95 #endif // SIMPLE_PERF_THREAD_TREE_H_