1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 #ifndef SRC_TRACED_PROBES_COMMON_CPU_FREQ_INFO_FOR_TESTING_H_ 18 #define SRC_TRACED_PROBES_COMMON_CPU_FREQ_INFO_FOR_TESTING_H_ 19 20 #include "src/traced/probes/common/cpu_freq_info.h" 21 22 #include <memory> 23 #include <string> 24 #include <vector> 25 26 #include "perfetto/ext/base/scoped_file.h" 27 #include "perfetto/ext/base/temp_file.h" 28 29 namespace perfetto { 30 31 class CpuFreqInfoForTesting { 32 public: 33 CpuFreqInfoForTesting(); 34 ~CpuFreqInfoForTesting(); 35 36 std::unique_ptr<CpuFreqInfo> GetInstance(); 37 38 private: 39 base::TempDir fake_cpu_dir_; 40 std::vector<std::string> dirs_to_remove_; 41 std::vector<std::string> files_to_remove_; 42 43 void AddDir(std::string path); 44 void AddFile(std::string path, std::string content); 45 void RmDir(std::string path); 46 void RmFile(std::string path); 47 std::string AbsolutePath(std::string path); 48 }; 49 50 } // namespace perfetto 51 52 #endif // SRC_TRACED_PROBES_COMMON_CPU_FREQ_INFO_FOR_TESTING_H_ 53