1 /*
2 * Copyright (c) 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 #ifndef LPERF_RECORD_H
16 #define LPERF_RECORD_H
17
18 #include <string>
19 #include <vector>
20
21 #include "lperf_events.h"
22 #include "stack_printer.h"
23
24 namespace OHOS {
25 namespace HiviewDFX {
26 class LperfRecord {
27 public:
28 int StartProcessSampling(int pid, const std::vector<int>& tids, int freq, int duration);
29 int CollectSampleStack(std::string& datas);
30 void FinishProcessSampling();
31
32 private:
33 int OnSubCommand();
34 void PrepareLperfEvent();
35 void SymbolicRecord(LperfRecordSample& record);
36
37 LperfEvents lperfEvents_;
38 std::unique_ptr<StackPrinter> stackPrinter_ = nullptr;
39
40 unsigned int timeStopSec_ = 0;
41 unsigned int frequency_ = 0;
42 int pid_ = 0;
43 std::vector<int> tids_ = {};
44 };
45
46 template<typename T>
CheckOutOfRange(const T & value,const T & min,const T & max)47 inline bool CheckOutOfRange(const T& value, const T& min, const T& max)
48 {
49 return value < min || value > max;
50 }
51 } // namespace HiviewDFX
52 } // namespace OHOS
53 #endif // LPERF_RECORD_H