Primiano Tucci | 463af6f | 2018-09-09 15:10:42 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2018 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_COUNTERS_TABLE_H_ |
| 18 | #define SRC_TRACE_PROCESSOR_COUNTERS_TABLE_H_ |
| 19 | |
| 20 | #include <limits> |
| 21 | #include <memory> |
| 22 | |
| 23 | #include "src/trace_processor/table.h" |
| 24 | #include "src/trace_processor/trace_storage.h" |
| 25 | |
| 26 | namespace perfetto { |
| 27 | namespace trace_processor { |
| 28 | |
| 29 | class CountersTable : public Table { |
| 30 | public: |
| 31 | enum Column { |
| 32 | kTimestamp = 0, |
| 33 | kName = 1, |
| 34 | kValue = 2, |
| 35 | kDuration = 3, |
| 36 | kRef = 4, |
| 37 | kRefType = 5, |
| 38 | }; |
| 39 | |
| 40 | static void RegisterTable(sqlite3* db, const TraceStorage* storage); |
| 41 | |
| 42 | CountersTable(const TraceStorage*); |
| 43 | |
| 44 | // Table implementation. |
| 45 | std::unique_ptr<Table::Cursor> CreateCursor() override; |
| 46 | int BestIndex(const QueryConstraints&, BestIndexInfo*) override; |
| 47 | |
| 48 | private: |
| 49 | class Cursor : public Table::Cursor { |
| 50 | public: |
| 51 | Cursor(const TraceStorage*); |
| 52 | |
| 53 | // Implementation of Table::Cursor. |
| 54 | int Filter(const QueryConstraints&, sqlite3_value**) override; |
| 55 | int Next() override; |
| 56 | int Eof() override; |
| 57 | int Column(sqlite3_context*, int N) override; |
| 58 | |
| 59 | private: |
| 60 | bool filter_by_cpu_ = false; |
| 61 | uint32_t current_cpu_ = 0; |
| 62 | size_t index_in_cpu_ = 0; |
| 63 | uint32_t filter_cpu_ = 0; |
| 64 | |
| 65 | const TraceStorage* const storage_; |
| 66 | }; |
| 67 | |
| 68 | const TraceStorage* const storage_; |
| 69 | }; |
| 70 | } // namespace trace_processor |
| 71 | } // namespace perfetto |
| 72 | |
| 73 | #endif // SRC_TRACE_PROCESSOR_COUNTERS_TABLE_H_ |