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1 /*
2  * Copyright (C) 2021-2022 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 MEMORY_INFO_H
16 #define MEMORY_INFO_H
17 #include <map>
18 #include <memory>
19 #include <future>
20 #include <string>
21 #include <vector>
22 #include "executor/memory/parse/meminfo_data.h"
23 #include "common.h"
24 #include "time.h"
25 namespace OHOS {
26 namespace HiviewDFX {
27 namespace {
28 static const std::string MEMINFO_PSS = "Pss";
29 static const std::string MEMINFO_SHARED_CLEAN = "Shared_Clean";
30 static const std::string MEMINFO_SHARED_DIRTY = "Shared_Dirty";
31 static const std::string MEMINFO_PRIVATE_CLEAN = "Private_Clean";
32 static const std::string MEMINFO_PRIVATE_DIRTY = "Private_Dirty";
33 static const std::string MEMINFO_SWAP = "Swap";
34 static const std::string MEMINFO_SWAP_PSS = "SwapPss";
35 }
36 class MemoryInfo {
37 public:
38     MemoryInfo();
39     ~MemoryInfo();
40 
41     using StringMatrix = std::shared_ptr<std::vector<std::vector<std::string>>>;
42     using ValueMap = std::map<std::string, uint64_t>;
43     using GroupMap = std::map<std::string, ValueMap>;
44 
45     using MemFun = std::function<void(MemInfoData::MemInfo&, uint64_t)>;
46 
47     bool GetMemoryInfoByPid(const int &pid, StringMatrix result);
48     DumpStatus GetMemoryInfoNoPid(StringMatrix result);
49 
50 private:
51     enum Status {
52         SUCCESS_MORE_DATA = 1,
53         FAIL_MORE_DATA = 2,
54         SUCCESS_NO_MORE_DATA = 3,
55         FAIL_NO_MORE_DATA = 4,
56     };
57 
58     const int LINE_WIDTH_ = 14;
59     const int RAM_WIDTH_ = 16;
60     const size_t TYPE_SIZE = 2;
61     const char SEPARATOR_ = '-';
62     const char BLANK_ = ' ';
63     const static int NAME_SIZE_ = 2;
64     const int PID_WIDTH_ = 5;
65     const int NAME_WIDTH_ = 20;
66     const int KB_WIDTH_ = 12;
67     const int NAME_AND_PID_WIDTH = 30;
68     const static int VSS_BIT = 4;
69     const static int BYTE_PER_KB = 1024;
70     bool isReady_ = false;
71     bool dumpSmapsOnStart_ = false;
72     uint64_t totalGL_ = 0;
73     uint64_t totalGraph_ = 0;
74     std::future<GroupMap> fut_;
75     std::vector<int> pids_;
76     std::vector<MemInfoData::MemUsage> memUsages_;
77     std::vector<std::pair<std::string, MemFun>> methodVec_;
78     std::map<std::string, std::vector<MemInfoData::MemUsage>> adjMemResult_ = {
79         {"System", {}}, {"Foreground", {}}, {"Suspend-delay", {}},
80         {"Perceived", {}}, {"Background", {}}, {"Undefined", {}},
81     };
82     void insertMemoryTitle(StringMatrix result);
83     void BuildResult(const GroupMap &infos, StringMatrix result);
84 
85     std::string AddKbUnit(const uint64_t &value) const;
86     static bool GetMemByProcessPid(const int &pid, MemInfoData::MemUsage &usage);
87     static bool GetSmapsInfoNoPid(const int &pid, GroupMap &result);
88     bool GetMeminfo(ValueMap &result);
89     static bool GetGraphicsMemory(int32_t pid, MemInfoData::GraphicsMemory &graphicsMemory);
90     bool GetHardWareUsage(StringMatrix result);
91     bool GetCMAUsage(StringMatrix result);
92     bool GetKernelUsage(const ValueMap &infos, StringMatrix result);
93     void GetProcesses(const GroupMap &infos, StringMatrix result);
94     bool GetPids();
95     void GetPssTotal(const GroupMap &infos, StringMatrix result);
96     void GetRamUsage(const GroupMap &smapsinfos, const ValueMap &meminfo, StringMatrix result);
97     void GetRamCategory(const GroupMap &smapsinfos, const ValueMap &meminfos, StringMatrix result);
98     void AddBlankLine(StringMatrix result);
99     void MemUsageToMatrix(const MemInfoData::MemUsage &memUsage, StringMatrix result);
100     void PairToStringMatrix(const std::string &titleStr, std::vector<std::pair<std::string, uint64_t>> &vec,
101                             StringMatrix result);
102     void AddMemByProcessTitle(StringMatrix result, std::string sortType);
103     static uint64_t GetVss(const int &pid);
104     static std::string GetProcName(const int &pid);
105     static std::string GetProcessAdjLabel(const int pid);
106     static void InitMemInfo(MemInfoData::MemInfo &memInfo);
107     static void InitMemUsage(MemInfoData::MemUsage &usage);
108     void CalcGroup(const GroupMap &infos, StringMatrix result);
109     void SetValue(const std::string &value, std::vector<std::string> &lines, std::vector<std::string> &values);
110     void GetSortedMemoryInfoNoPid(StringMatrix result);
111     void GetMemoryByAdj(StringMatrix result);
112     void SetPss(MemInfoData::MemInfo &meminfo, uint64_t value);
113     void SetSharedClean(MemInfoData::MemInfo &meminfo, uint64_t value);
114     void SetSharedDirty(MemInfoData::MemInfo &meminfo, uint64_t value);
115     void SetPrivateClean(MemInfoData::MemInfo &meminfo, uint64_t value);
116     void SetPrivateDirty(MemInfoData::MemInfo &meminfo, uint64_t value);
117     void SetSwap(MemInfoData::MemInfo &meminfo, uint64_t value);
118     void SetSwapPss(MemInfoData::MemInfo &meminfo, uint64_t value);
119 };
120 } // namespace HiviewDFX
121 } // namespace OHOS
122 #endif
123