1 /* 2 * Copyright (C) 2020 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_DYNAMIC_EXPERIMENTAL_COUNTER_DUR_GENERATOR_H_ 18 #define SRC_TRACE_PROCESSOR_DYNAMIC_EXPERIMENTAL_COUNTER_DUR_GENERATOR_H_ 19 20 #include "src/trace_processor/sqlite/db_sqlite_table.h" 21 22 #include "src/trace_processor/storage/trace_storage.h" 23 24 namespace perfetto { 25 namespace trace_processor { 26 27 class ExperimentalCounterDurGenerator 28 : public DbSqliteTable::DynamicTableGenerator { 29 public: 30 explicit ExperimentalCounterDurGenerator(const tables::CounterTable& table); 31 virtual ~ExperimentalCounterDurGenerator() override; 32 33 Table::Schema CreateSchema() override; 34 std::string TableName() override; 35 uint32_t EstimateRowCount() override; 36 base::Status ValidateConstraints(const QueryConstraints&) override; 37 base::Status ComputeTable(const std::vector<Constraint>& cs, 38 const std::vector<Order>& ob, 39 const BitVector& cols_used, 40 std::unique_ptr<Table>& table_return) override; 41 42 // public + static for testing 43 static NullableVector<int64_t> ComputeDurColumn(const Table& table); 44 static NullableVector<double> ComputeDeltaColumn(const Table& table); 45 46 private: 47 const tables::CounterTable* counter_table_ = nullptr; 48 std::unique_ptr<NullableVector<int64_t>> dur_column_; 49 std::unique_ptr<NullableVector<double>> delta_column_; 50 }; 51 52 } // namespace trace_processor 53 } // namespace perfetto 54 55 #endif // SRC_TRACE_PROCESSOR_DYNAMIC_EXPERIMENTAL_COUNTER_DUR_GENERATOR_H_ 56