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      1 /*
      2  * Copyright (C) 2016 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 
     17 #ifndef _STORAGED_UTILS_H_
     18 #define _STORAGED_UTILS_H_
     19 
     20 #include <stdint.h>
     21 #include <string>
     22 #include <unordered_map>
     23 #include <vector>
     24 
     25 #include "storaged.h"
     26 
     27 using namespace android::os::storaged;
     28 
     29 // Diskstats
     30 bool parse_disk_stats(const char* disk_stats_path, struct disk_stats* stats);
     31 struct disk_perf get_disk_perf(struct disk_stats* stats);
     32 void get_inc_disk_stats(const struct disk_stats* prev, const struct disk_stats* curr, struct disk_stats* inc);
     33 void add_disk_stats(struct disk_stats* src, struct disk_stats* dst);
     34 
     35 // UID I/O
     36 map<string, io_usage> merge_io_usage(const vector<uid_record>& entries);
     37 void sort_running_uids_info(std::vector<UidInfo> &uids);
     38 
     39 // Logging
     40 void log_console_running_uids_info(const std::vector<UidInfo>& uids, bool flag_dump_task);
     41 void log_console_perf_history(const vector<int>& perf_history);
     42 
     43 #endif /* _STORAGED_UTILS_H_ */
     44