1 /* 2 * Copyright (c) 2021 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 FOUNDATION_APPEXECFWK_SERVICES_KERNEL_SYSTEM_MEMORY_INFO_H 16 #define FOUNDATION_APPEXECFWK_SERVICES_KERNEL_SYSTEM_MEMORY_INFO_H 17 18 #include <map> 19 20 namespace OHOS { 21 namespace AppExecFwk { 22 namespace SystemEnv { 23 class KernelSystemMemoryInfo { 24 public: 25 KernelSystemMemoryInfo() = default; 26 ~KernelSystemMemoryInfo() = default; 27 28 void Init(std::map<std::string, std::string> &memInfo); 29 30 int64_t GetMemTotal() const; 31 int64_t GetMemFree() const; 32 int64_t GetMemAvailable() const; 33 int64_t GetBuffers() const; 34 int64_t GetCached() const; 35 int64_t GetSwapCached() const; 36 37 private: 38 int64_t memTotal_ = 0; 39 int64_t memFree_ = 0; 40 int64_t memAvailable_ = 0; 41 int64_t buffers_ = 0; 42 int64_t cached_ = 0; 43 int64_t swapCached_ = 0; 44 }; 45 } // namespace SystemEnv 46 } // namespace AppExecFwk 47 } // namespace OHOS 48 #endif // FOUNDATION_APPEXECFWK_SERVICES_KERNEL_SYSTEM_MEMORY_INFO_H