| /* |
| * 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_THREAD_TABLE_H_ |
| #define SRC_TRACE_PROCESSOR_THREAD_TABLE_H_ |
| |
| #include <limits> |
| #include <memory> |
| |
| #include "src/trace_processor/sqlite/sqlite_table.h" |
| #include "src/trace_processor/trace_storage.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| // The implementation of the SQLite table containing each unique process with |
| // the metadata for those processes. |
| class ThreadTable : public SqliteTable { |
| public: |
| enum Column { |
| kUtid = 0, |
| kUpid = 1, |
| kName = 2, |
| kTid = 3, |
| kStartTs = 4, |
| kEndTs = 5, |
| }; |
| class Cursor : public SqliteTable::Cursor { |
| public: |
| Cursor(ThreadTable* table); |
| |
| // Implementation of Table::Cursor. |
| int Filter(const QueryConstraints&, |
| sqlite3_value**, |
| FilterHistory) override; |
| int Next() override; |
| int Eof() override; |
| int Column(sqlite3_context*, int N) override; |
| |
| private: |
| Cursor(Cursor&) = delete; |
| Cursor& operator=(const Cursor&) = delete; |
| |
| Cursor(Cursor&&) noexcept = default; |
| Cursor& operator=(Cursor&&) = default; |
| |
| UniqueTid min_ = 0; |
| UniqueTid max_ = 0; |
| uint32_t index_ = 0; |
| bool desc_ = false; |
| |
| const TraceStorage* storage_ = nullptr; |
| ThreadTable* table_ = nullptr; |
| }; |
| |
| static void RegisterTable(sqlite3* db, const TraceStorage* storage); |
| |
| ThreadTable(sqlite3*, const TraceStorage*); |
| |
| // Table implementation. |
| util::Status Init(int, const char* const*, SqliteTable::Schema*) override; |
| std::unique_ptr<SqliteTable::Cursor> CreateCursor() override; |
| int BestIndex(const QueryConstraints&, BestIndexInfo*) override; |
| |
| private: |
| const TraceStorage* const storage_; |
| }; |
| } // namespace trace_processor |
| } // namespace perfetto |
| |
| #endif // SRC_TRACE_PROCESSOR_THREAD_TABLE_H_ |