| /* |
| * 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_SCHED_SLICE_TABLE_H_ |
| #define SRC_TRACE_PROCESSOR_SCHED_SLICE_TABLE_H_ |
| |
| #include "src/trace_processor/ftrace_utils.h" |
| #include "src/trace_processor/storage_table.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| // The implementation of the SQLite table containing slices of CPU time with the |
| // metadata for those slices. |
| class SchedSliceTable : public StorageTable { |
| public: |
| SchedSliceTable(sqlite3*, const TraceStorage* storage); |
| |
| static void RegisterTable(sqlite3* db, const TraceStorage* storage); |
| |
| // StorageTable implementation. |
| StorageSchema CreateStorageSchema() override; |
| uint32_t RowCount() override; |
| int BestIndex(const QueryConstraints&, BestIndexInfo*) override; |
| |
| private: |
| uint32_t EstimateQueryCost(const QueryConstraints& cs); |
| |
| class EndStateColumn : public StorageColumn { |
| public: |
| EndStateColumn(std::string col_name, |
| const std::deque<ftrace_utils::TaskState>* deque); |
| ~EndStateColumn() override; |
| |
| void ReportResult(sqlite3_context*, uint32_t row) const override; |
| |
| void Filter(int op, sqlite3_value*, FilteredRowIndex*) const override; |
| |
| Comparator Sort(const QueryConstraints::OrderBy&) const override; |
| |
| Table::ColumnType GetType() const override; |
| |
| private: |
| static constexpr uint16_t kNumStateStrings = |
| ftrace_utils::TaskState::kMaxState + 1; |
| std::array<ftrace_utils::TaskState::TaskStateStr, kNumStateStrings> |
| state_strings_; |
| |
| void FilterOnState(int op, |
| sqlite3_value* value, |
| FilteredRowIndex* index) const; |
| |
| const std::deque<ftrace_utils::TaskState>* deque_ = nullptr; |
| }; |
| |
| const TraceStorage* const storage_; |
| }; |
| |
| } // namespace trace_processor |
| } // namespace perfetto |
| |
| #endif // SRC_TRACE_PROCESSOR_SCHED_SLICE_TABLE_H_ |