| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SRC_TRACE_PROCESSOR_COUNTERS_TABLE_H_ |
| #define SRC_TRACE_PROCESSOR_COUNTERS_TABLE_H_ |
| |
| #include <limits> |
| #include <memory> |
| |
| #include "src/trace_processor/table.h" |
| #include "src/trace_processor/trace_storage.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| class CountersTable : public Table { |
| public: |
| enum Column { |
| kTimestamp = 0, |
| kName = 1, |
| kValue = 2, |
| kDuration = 3, |
| kValueDelta = 4, |
| kRef = 5, |
| kRefType = 6, |
| }; |
| |
| static void RegisterTable(sqlite3* db, const TraceStorage* storage); |
| |
| CountersTable(sqlite3*, const TraceStorage*); |
| |
| // Table implementation. |
| Table::Schema CreateSchema(int argc, const char* const* argv) override; |
| std::unique_ptr<Table::Cursor> CreateCursor(const QueryConstraints&, |
| sqlite3_value**) override; |
| int BestIndex(const QueryConstraints&, BestIndexInfo*) override; |
| |
| private: |
| class Cursor : public Table::Cursor { |
| public: |
| Cursor(const TraceStorage*); |
| |
| // Implementation of Table::Cursor. |
| int Next() override; |
| int Eof() override; |
| int Column(sqlite3_context*, int N) override; |
| |
| private: |
| size_t num_rows_; |
| size_t row_ = 0; |
| |
| const TraceStorage* const storage_; |
| }; |
| |
| const TraceStorage* const storage_; |
| }; |
| } // namespace trace_processor |
| } // namespace perfetto |
| |
| #endif // SRC_TRACE_PROCESSOR_COUNTERS_TABLE_H_ |