1 /*
2  * Copyright (C) 2020 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_DYNAMIC_EXPERIMENTAL_SCHED_UPID_GENERATOR_H_
18 #define SRC_TRACE_PROCESSOR_DYNAMIC_EXPERIMENTAL_SCHED_UPID_GENERATOR_H_
19 
20 #include <set>
21 
22 #include "src/trace_processor/sqlite/db_sqlite_table.h"
23 #include "src/trace_processor/storage/trace_storage.h"
24 
25 namespace perfetto {
26 namespace trace_processor {
27 
28 class ExperimentalSchedUpidGenerator
29     : public DbSqliteTable::DynamicTableGenerator {
30  public:
31   ExperimentalSchedUpidGenerator(const tables::SchedSliceTable&,
32                                  const tables::ThreadTable&);
33   virtual ~ExperimentalSchedUpidGenerator() override;
34 
35   Table::Schema CreateSchema() override;
36   std::string TableName() override;
37   uint32_t EstimateRowCount() override;
38   util::Status ValidateConstraints(const QueryConstraints&) override;
39   std::unique_ptr<Table> ComputeTable(const std::vector<Constraint>&,
40                                       const std::vector<Order>&) override;
41 
42  private:
43   NullableVector<uint32_t> ComputeUpidColumn();
44 
45   const tables::SchedSliceTable* sched_slice_table_;
46   const tables::ThreadTable* thread_table_;
47   std::unique_ptr<NullableVector<uint32_t>> upid_column_;
48 };
49 
50 }  // namespace trace_processor
51 }  // namespace perfetto
52 
53 #endif  // SRC_TRACE_PROCESSOR_DYNAMIC_EXPERIMENTAL_SCHED_UPID_GENERATOR_H_
54