1 /*
2  * Copyright (c) 2023-2024 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 #ifdef HAS_HIPERF
16 #ifndef HIVIEW_PLUGINS_UNIFIED_COLLECTOR_TASK_INCLUDE_CPU_PERF_DUMP_H
17 #define HIVIEW_PLUGINS_UNIFIED_COLLECTOR_TASK_INCLUDE_CPU_PERF_DUMP_H
18 
19 #include "perf_collector.h"
20 #include "resource/cpu.h"
21 
22 namespace OHOS {
23 namespace HiviewDFX {
24 class CpuPerfDump {
25 public:
26     CpuPerfDump();
27     ~CpuPerfDump() = default;
28     void CheckAndDumpPerfData(std::vector<ProcessCpuStatInfo>& cpuCollectionInfos);
29 private:
30     void DumpTopNCpuProcessPerfData();
31     bool CheckRecordInterval();
32     void TryToAgePerfFiles();
33     bool NeedCleanPerfFiles(size_t size);
34     static bool CompareFilenames(const std::string &name1, const std::string &name2);
35     static bool CompareCpuLoad(const ProcessCpuStatInfo &info1, const ProcessCpuStatInfo &info2);
36     static bool CompareCpuUsage(const ProcessCpuStatInfo &info1, const ProcessCpuStatInfo &info2);
37     static std::string GetTimestamp(const std::string& fileName);
38 private:
39     std::shared_ptr<UCollectUtil::PerfCollector> perfCollector_;
40     std::vector<pid_t> topNProcs_;
41     int64_t systemUpTime_ = 0;
42     int64_t lastRecordTime_ = 0;
43     bool isBetaVersion_;
44 }; // CpuPerfDump
45 } // namespace HiviewDFX
46 } // namespace OHOS
47 #endif // HIVIEW_PLUGINS_UNIFIED_COLLECTOR_TASK_INCLUDE_CPU_PERF_DUMP_H
48 #endif // HAS_HIPERF
49