1 /* 2 * Copyright (c) 2023-2025 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 16 #ifndef HITRACE_COMMON_UTILS_H 17 #define HITRACE_COMMON_UTILS_H 18 19 #include <cinttypes> 20 #include <string> 21 22 namespace OHOS { 23 namespace HiviewDFX { 24 namespace Hitrace { 25 std::string CanonicalizeSpecPath(const char* src); 26 27 bool MarkClockSync(const std::string& traceRootPath); 28 29 bool IsNumber(const std::string& str); 30 31 int GetCpuProcessors(); 32 33 uint64_t GetCurBootTime(); 34 35 void ReadCurrentCpuFrequencies(std::string& freqs); 36 37 std::string GetPropertyInner(const std::string& property, const std::string& value); 38 39 bool SetPropertyInner(const std::string& property, const std::string& value); 40 41 bool IsHmKernel(); 42 43 bool IsDeveloperMode(); 44 45 bool IsRootVersion(); 46 47 bool IsTraceMounted(std::string& traceRootPath); 48 49 std::string GetFilePath(const std::string& fileName, const std::string& traceRootPath); 50 51 std::string ReadFileInner(const std::string& filename); 52 53 std::string ReadFile(const std::string& filename, const std::string& traceRootPath); 54 55 bool IsTracingOn(const std::string& traceRootPath); 56 57 bool StringToInt(const std::string &str, int &val); 58 59 bool StringToInt64(const std::string &str, int64_t &val); 60 61 bool StringToUint64(const std::string &str, uint64_t &val); 62 63 bool StringToDouble(const std::string &str, double &val); 64 65 void WriteEventFile(const std::string& srcPath, const int fd); 66 67 std::string GetKernelVersion(); 68 69 uint64_t GetRemainingSpace(const std::string& path); 70 71 } // namespace Hitrace 72 } // namespace HiviewDFX 73 } // namespace OHOS 74 #endif // HITRACE_COMMON_UTILS_H