| /* |
| * Copyright (C) 2020 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_PRELUDE_TABLE_FUNCTIONS_EXPERIMENTAL_SLICE_LAYOUT_H_ |
| #define SRC_TRACE_PROCESSOR_PRELUDE_TABLE_FUNCTIONS_EXPERIMENTAL_SLICE_LAYOUT_H_ |
| |
| #include <set> |
| |
| #include "src/trace_processor/prelude/table_functions/table_function.h" |
| #include "src/trace_processor/storage/trace_storage.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| namespace tables { |
| |
| #define PERFETTO_TP_SLICE_LAYOUT_TABLE_DEF(NAME, PARENT, C) \ |
| NAME(ExperimentalSliceLayoutTable, "experimental_slice_layout") \ |
| PARENT(PERFETTO_TP_SLICE_TABLE_DEF, C) \ |
| C(uint32_t, layout_depth) \ |
| C(StringPool::Id, filter_track_ids, Column::kHidden) |
| |
| PERFETTO_TP_TABLE(PERFETTO_TP_SLICE_LAYOUT_TABLE_DEF); |
| |
| } // namespace tables |
| |
| class ExperimentalSliceLayout : public TableFunction { |
| public: |
| ExperimentalSliceLayout(StringPool* string_pool, |
| const tables::SliceTable* table); |
| virtual ~ExperimentalSliceLayout() override; |
| |
| Table::Schema CreateSchema() override; |
| std::string TableName() override; |
| uint32_t EstimateRowCount() override; |
| base::Status ValidateConstraints(const QueryConstraints&) override; |
| base::Status ComputeTable(const std::vector<Constraint>& cs, |
| const std::vector<Order>& ob, |
| const BitVector& cols_used, |
| std::unique_ptr<Table>& table_return) override; |
| |
| private: |
| std::unique_ptr<Table> ComputeLayoutTable( |
| std::vector<tables::SliceTable::RowNumber> rows, |
| StringPool::Id filter_id); |
| tables::SliceTable::Id InsertSlice( |
| std::map<tables::SliceTable::Id, tables::SliceTable::Id>& id_map, |
| tables::SliceTable::Id id, |
| std::optional<tables::SliceTable::Id> parent_id); |
| |
| // TODO(lalitm): remove this cache and move to having explicitly scoped |
| // lifetimes of dynamic tables. |
| std::unordered_map<StringId, std::unique_ptr<Table>> layout_table_cache_; |
| |
| StringPool* string_pool_; |
| const tables::SliceTable* slice_table_; |
| const StringPool::Id empty_string_id_; |
| }; |
| |
| } // namespace trace_processor |
| } // namespace perfetto |
| |
| #endif // SRC_TRACE_PROCESSOR_PRELUDE_TABLE_FUNCTIONS_EXPERIMENTAL_SLICE_LAYOUT_H_ |