1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef _UID_INFO_H_ 17 #define _UID_INFO_H_ 18 19 #include <string> 20 #include <unordered_map> 21 22 namespace android { 23 namespace os { 24 namespace storaged { 25 26 enum uid_stat_t { 27 FOREGROUND = 0, 28 BACKGROUND = 1, 29 UID_STATS = 2 30 }; 31 32 enum charger_stat_t { 33 CHARGER_OFF = 0, 34 CHARGER_ON = 1, 35 CHARGER_STATS = 2 36 }; 37 38 enum io_type_t { 39 READ = 0, 40 WRITE = 1, 41 IO_TYPES = 2 42 }; 43 44 struct io_stats { 45 uint64_t rchar; // characters read 46 uint64_t wchar; // characters written 47 uint64_t read_bytes; // bytes read (from storage layer) 48 uint64_t write_bytes; // bytes written (to storage layer) 49 uint64_t fsync; // number of fsync syscalls 50 }; 51 52 class task_info { 53 public: 54 std::string comm; 55 pid_t pid; 56 io_stats io[UID_STATS]; 57 bool parse_task_io_stats(std::string&& s); 58 }; 59 60 class UidInfo : public Parcelable { 61 public: 62 uint32_t uid; // user id 63 std::string name; // package name 64 io_stats io[UID_STATS]; // [0]:foreground [1]:background 65 std::unordered_map<uint32_t, task_info> tasks; // mapped from pid 66 67 status_t writeToParcel(Parcel* parcel) const override; 68 status_t readFromParcel(const Parcel* parcel) override; 69 }; 70 71 } // namespace storaged 72 } // namespace os 73 } // namespace android 74 75 #endif /* _UID_INFO_H_ */
