| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <sys/types.h> |
| |
| #include <string> |
| #include <vector> |
| |
| #include "meminfo.h" |
| |
| namespace android { |
| namespace meminfo { |
| |
| class ProcMemInfo final { |
| // Per-process memory accounting |
| public: |
| ProcMemInfo(pid_t pid, bool get_wss = false); |
| |
| const std::vector<Vma>& Maps(); |
| const MemUsage& Usage(); |
| const MemUsage& Wss(); |
| |
| bool WssReset(); |
| ~ProcMemInfo() = default; |
| |
| private: |
| bool ReadMaps(bool get_wss); |
| bool ReadVmaStats(int pagemap_fd, Vma& vma, bool get_wss); |
| |
| pid_t pid_; |
| bool get_wss_; |
| |
| std::vector<Vma> maps_; |
| |
| MemUsage usage_; |
| MemUsage wss_; |
| }; |
| |
| } // namespace meminfo |
| } // namespace android |