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_
28 namespace simpleperf {
34 uint64_t time; // Map creation time.
37 MapEntry(uint64_t start_addr, uint64_t len, uint64_t pgoff, uint64_t time, Dso* dso)
38 : start_addr(start_addr), len(len), pgoff(pgoff), time(time), dso(dso) {
43 uint64_t get_end_addr() const {
44 return start_addr + len;
48 struct MapComparator {
49 bool operator()(const MapEntry* map1, const MapEntry* map2) const;
55 const char* comm; // It always refers to the latest comm.
56 std::set<MapEntry*, MapComparator> maps;
61 ThreadTree() : unknown_symbol_("unknown", 0, std::numeric_limits<unsigned long long>::max()) {
62 unknown_dso_ = Dso::CreateDso(DSO_ELF_FILE, "unknown");
64 MapEntry(0, std::numeric_limits<unsigned long long>::max(), 0, 0, unknown_dso_.get());
67 void AddThread(int pid, int tid, const std::string& comm);
68 void ForkThread(int pid, int tid, int ppid, int ptid);
69 ThreadEntry* FindThreadOrNew(int pid, int tid);
70 void AddKernelMap(uint64_t start_addr, uint64_t len, uint64_t pgoff, uint64_t time,
71 const std::string& filename);
72 void AddThreadMap(int pid, int tid, uint64_t start_addr, uint64_t len, uint64_t pgoff,
73 uint64_t time, const std::string& filename);
74 const MapEntry* FindMap(const ThreadEntry* thread, uint64_t ip, bool in_kernel);
75 const Symbol* FindSymbol(const MapEntry* map, uint64_t ip);
76 const MapEntry* UnknownMap() const {
83 Dso* FindKernelDsoOrNew(const std::string& filename);
84 Dso* FindUserDsoOrNew(const std::string& filename);
85 MapEntry* AllocateMap(const MapEntry& value);
86 void FixOverlappedMap(std::set<MapEntry*, MapComparator>* map_set, const MapEntry* map);
88 std::unordered_map<int, std::unique_ptr<ThreadEntry>> thread_tree_;
89 std::vector<std::unique_ptr<std::string>> thread_comm_storage_;
91 std::set<MapEntry*, MapComparator> kernel_map_tree_;
92 std::vector<std::unique_ptr<MapEntry>> map_storage_;
93 MapEntry unknown_map_;
95 std::unique_ptr<Dso> kernel_dso_;
96 std::unordered_map<std::string, std::unique_ptr<Dso>> module_dso_tree_;
97 std::unordered_map<std::string, std::unique_ptr<Dso>> user_dso_tree_;
98 std::unique_ptr<Dso> unknown_dso_;
99 Symbol unknown_symbol_;
102 } // namespace simpleperf
104 using MapEntry = simpleperf::MapEntry;
105 using ThreadEntry = simpleperf::ThreadEntry;
106 using ThreadTree = simpleperf::ThreadTree;
110 void BuildThreadTree(const Record& record, ThreadTree* thread_tree);
112 #endif // SIMPLE_PERF_THREAD_TREE_H_