1 /*
2  * Copyright (C) 2021 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 GET_HARDWARE_INFO_H
16 #define GET_HARDWARE_INFO_H
17 #include <string>
18 #include <vector>
19 namespace OHOS {
20 namespace HiviewDFX {
21 class GetHardwareInfo {
22 public:
23     GetHardwareInfo();
24     ~GetHardwareInfo();
25 
26     bool GetHardwareUsage(uint64_t &totalValue);
27     void Stop();
28 
29 private:
30     const static int WORD_SIZE = 4;
31     bool FindFilePaths(std::vector<std::string> &result);
32     void GetGroupOfPaths(const size_t &index, const size_t &size, const std::vector<std::string> &paths,
33                          std::vector<std::string> &groupPaths);
34     void static GetResverRegPath(std::string &path);
35     void static GetValue(const std::string &str, uint64_t &value);
36     bool static RegStrToRegValue(const std::vector<std::string> &infos, uint64_t &value);
37     bool static GetResverRegValue(const std::string &path, uint64_t &value);
38     uint64_t static CalcHardware(const std::vector<std::string> &paths);
39 };
40 } // namespace HiviewDFX
41 } // namespace OHOS
42 
43 #endif