77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _UID_INFO_H_
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#define _UID_INFO_H_
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#include <string>
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#include <unordered_map>
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#include <binder/Parcelable.h>
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namespace android {
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namespace os {
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namespace storaged {
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enum uid_stat_t {
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FOREGROUND = 0,
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BACKGROUND = 1,
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UID_STATS = 2
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};
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enum charger_stat_t {
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CHARGER_OFF = 0,
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CHARGER_ON = 1,
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CHARGER_STATS = 2
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};
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enum io_type_t {
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READ = 0,
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WRITE = 1,
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IO_TYPES = 2
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};
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struct io_stats {
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uint64_t rchar; // characters read
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uint64_t wchar; // characters written
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uint64_t read_bytes; // bytes read (from storage layer)
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uint64_t write_bytes; // bytes written (to storage layer)
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uint64_t fsync; // number of fsync syscalls
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};
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class task_info {
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public:
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std::string comm;
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pid_t pid;
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io_stats io[UID_STATS];
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bool parse_task_io_stats(std::string&& s);
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};
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class UidInfo : public Parcelable {
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public:
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uint32_t uid; // user id
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std::string name; // package name
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io_stats io[UID_STATS]; // [0]:foreground [1]:background
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std::unordered_map<uint32_t, task_info> tasks; // mapped from pid
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status_t writeToParcel(Parcel* parcel) const override;
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status_t readFromParcel(const Parcel* parcel) override;
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};
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} // namespace storaged
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} // namespace os
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} // namespace android
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#endif /* _UID_INFO_H_ */
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