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