1 /* 2 * Copyright (C) 2019 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 SRC_TRACE_PROCESSOR_COUNTER_VALUES_TABLE_H_ 18 #define SRC_TRACE_PROCESSOR_COUNTER_VALUES_TABLE_H_ 19 20 #include "src/trace_processor/storage_table.h" 21 22 namespace perfetto { 23 namespace trace_processor { 24 25 // The implementation of the SQLite table containing the values of counters 26 // in the trace. 27 class CounterValuesTable : public StorageTable { 28 public: 29 static void RegisterTable(sqlite3* db, const TraceStorage* storage); 30 31 CounterValuesTable(sqlite3*, const TraceStorage*); 32 33 // StorageTable implementation. 34 StorageSchema CreateStorageSchema() override; 35 uint32_t RowCount() override; 36 int BestIndex(const QueryConstraints&, BestIndexInfo*) override; 37 38 private: 39 uint32_t EstimateCost(const QueryConstraints&); 40 41 const TraceStorage* const storage_; 42 }; 43 } // namespace trace_processor 44 } // namespace perfetto 45 46 #endif // SRC_TRACE_PROCESSOR_COUNTER_VALUES_TABLE_H_ 47
