1 /* 2 * Copyright (C) 2021-2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef EVENT_LOGGER_PEER_BINDER_LOG_CATCHER 16 #define EVENT_LOGGER_PEER_BINDER_LOG_CATCHER 17 #include <fstream> 18 #include <string> 19 #include <memory> 20 #include <vector> 21 22 #include "sys_event.h" 23 24 #include "event_log_catcher.h" 25 namespace OHOS { 26 namespace HiviewDFX { 27 #ifdef BINDER_CATCHER_ENABLE 28 class PeerBinderCatcher : public EventLogCatcher { 29 public: 30 explicit PeerBinderCatcher(); ~PeerBinderCatcher()31 ~PeerBinderCatcher() override{}; 32 bool Initialize(const std::string& perfCmd, int layer, int pid) override; 33 int Catch(int fd, int jsonFd) override; 34 void Init(std::shared_ptr<SysEvent> event, const std::string& filePath, std::set<int>& catchedPids); 35 36 private: 37 struct BinderInfo { 38 int clientPid; 39 int clientTid; 40 int serverPid; 41 int serverTid; 42 int wait; 43 }; 44 struct OutputBinderInfo { 45 std::string info = ""; 46 int pid = 0; 47 }; 48 49 bool firstLayerInit_ = false; 50 int pid_ = 0; 51 int layer_ = 0; 52 std::string perfCmd_ = ""; 53 std::string binderPath_ = "/proc/transaction_proc"; 54 std::shared_ptr<SysEvent> event_ = nullptr; 55 std::set<int> catchedPids_ = {0}; 56 std::map<int, std::list<PeerBinderCatcher::BinderInfo>> BinderInfoParser(std::ifstream& fin, 57 int fd, int jsonFd, std::set<int>& asyncPids) const; 58 void BinderInfoParser(std::ifstream& fin, int fd, 59 std::map<int, std::list<PeerBinderCatcher::BinderInfo>>& manager, 60 std::list<PeerBinderCatcher::OutputBinderInfo>& outputBinderInfoList, std::set<int>& asyncPids) const; 61 void BinderInfoLineParser(std::ifstream& fin, int fd, 62 std::map<int, std::list<PeerBinderCatcher::BinderInfo>>& manager, 63 std::list<PeerBinderCatcher::OutputBinderInfo>& outputBinderInfoList, 64 std::map<uint32_t, uint32_t>& asyncBinderMap, 65 std::vector<std::pair<uint32_t, uint64_t>>& freezeAsyncSpacePairs) const; 66 std::vector<std::string> GetFileToList(std::string line) const; 67 void ParseBinderCallChain(std::map<int, std::list<PeerBinderCatcher::BinderInfo>>& manager, 68 std::set<int>& pids, int pid); 69 std::set<int> GetBinderPeerPids(int fd, int jsonFd, std::set<int>& asyncPids); 70 bool IsAncoProc(int pid) const; 71 void CatcherFfrtStack(int fd, int pid) const; 72 void CatcherStacktrace(int fd, int pid, bool sync = true); 73 void AddBinderJsonInfo(std::list<OutputBinderInfo> outputBinderInfoList, int jsonFd) const; 74 #ifdef HAS_HIPERF 75 void DumpHiperf(const std::set<int>& pids, int processId, const std::string& perfCmd); 76 void DoExecHiperf(const std::string& fileName, const std::set<int>& pids, int processId, 77 const std::string& perfCmd); 78 #endif 79 }; 80 #endif // BINDER_CATCHER_ENABLE 81 } // namespace HiviewDFX 82 } // namespace OHOS 83 #endif // EVENT_LOGGER_PEER_BINDER_LOG_CATCHER