1 /*
2  * Copyright (C) 2023 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_DMA_INFO_H
16 #define GET_DMA_INFO_H
17 #include <map>
18 #include <memory>
19 #include <string>
20 #include <vector>
21 
22 #include "executor/memory/parse/meminfo_data.h"
23 
24 namespace OHOS {
25 namespace HiviewDFX {
26 class DmaInfo {
27 public:
28     DmaInfo();
29     ~DmaInfo();
30 
31     using ValueMap = std::map<uint32_t, uint64_t>;
32     using DmaInfoMap = std::map<uint64_t, MemInfoData::DmaInfo>;
33 
34     bool ParseDmaInfo();
35     uint64_t GetDmaByPid(const int32_t &pid) const;
36     uint64_t GetTotalDma();
37 
38 private:
39     void CreateDmaInfo(const std::string &line);
40 
41     DmaInfoMap dmaInfos_;
42     ValueMap dmaMap_;
43     bool initialized_ = false;
44 };
45 } // namespace HiviewDFX
46 } // namespace OHOS
47 
48 #endif // GET_DMA_INFO_H