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 16 #ifndef KERNEL_SNAPSHOT_MANAGER_H 17 #define KERNEL_SNAPSHOT_MANAGER_H 18 19 #include <string> 20 namespace OHOS { 21 namespace HiviewDFX { 22 class KernelSnapshotManager { 23 public: 24 KernelSnapshotManager(const KernelSnapshotManager&) = delete; 25 KernelSnapshotManager& operator=(const KernelSnapshotManager&) = delete; 26 static void StartMonitor(); 27 private: 28 KernelSnapshotManager() = default; 29 void MonitorCrashKernelSnapshot(); 30 int GetSnapshotCheckInterval(); 31 std::string ReadKernelSnapshot(); 32 }; 33 } // namespace HiviewDFX 34 } // namespace OHOS 35 #endif 36