1 /* 2 * Copyright (c) 2023-2024 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 16 #ifndef HITRACE_COMMON_UTILS_H 17 #define HITRACE_COMMON_UTILS_H 18 19 #include <string> 20 21 namespace OHOS { 22 namespace HiviewDFX { 23 namespace Hitrace { 24 std::string CanonicalizeSpecPath(const char* src); 25 26 bool MarkClockSync(const std::string& traceRootPath); 27 28 bool IsNumber(const std::string& str); 29 30 int GetCpuProcessors(); 31 32 void ReadCurrentCpuFrequencies(std::string& freqs); 33 34 std::string GetPropertyInner(const std::string& property, const std::string& value); 35 36 bool SetPropertyInner(const std::string& property, const std::string& value); 37 38 bool IsHmKernel(); 39 40 bool IsDeveloperMode(); 41 42 bool IsRootVersion(); 43 44 bool IsTraceMounted(std::string& traceRootPath); 45 46 std::string GetFilePath(const std::string& fileName, const std::string& traceRootPath); 47 48 std::string ReadFileInner(const std::string& filename); 49 50 std::string ReadFile(const std::string& filename, const std::string& traceRootPath); 51 52 bool IsTracingOn(const std::string& traceRootPath); 53 54 bool StringToInt(const std::string &str, int &val); 55 56 bool StringToInt64(const std::string &str, int64_t &val); 57 58 bool StringToUint64(const std::string &str, uint64_t &val); 59 60 bool StringToDouble(const std::string &str, double &val); 61 62 constexpr int DECIMAL_SCALE = 10; 63 } // namespace Hitrace 64 } // namespace HiviewDFX 65 } // namespace OHOS 66 #endif // HITRACE_COMMON_UTILS_H