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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_PRELUDE_TABLE_FUNCTIONS_EXPERIMENTAL_SCHED_UPID_H_
18 #define SRC_TRACE_PROCESSOR_PRELUDE_TABLE_FUNCTIONS_EXPERIMENTAL_SCHED_UPID_H_
19 
20 #include <set>
21 
22 #include "src/trace_processor/prelude/table_functions/table_function.h"
23 #include "src/trace_processor/storage/trace_storage.h"
24 
25 namespace perfetto {
26 namespace trace_processor {
27 
28 class ExperimentalSchedUpid : public TableFunction {
29  public:
30   ExperimentalSchedUpid(const tables::SchedSliceTable&,
31                         const tables::ThreadTable&);
32   virtual ~ExperimentalSchedUpid() override;
33 
34   Table::Schema CreateSchema() override;
35   std::string TableName() override;
36   uint32_t EstimateRowCount() override;
37   base::Status ValidateConstraints(const QueryConstraints&) override;
38   base::Status ComputeTable(const std::vector<Constraint>& cs,
39                             const std::vector<Order>& ob,
40                             const BitVector& cols_used,
41                             std::unique_ptr<Table>& table_return) override;
42 
43  private:
44   ColumnStorage<std::optional<UniquePid>> ComputeUpidColumn();
45 
46   const tables::SchedSliceTable* sched_slice_table_;
47   const tables::ThreadTable* thread_table_;
48   std::unique_ptr<Table> sched_upid_table_;
49 };
50 
51 }  // namespace trace_processor
52 }  // namespace perfetto
53 
54 #endif  // SRC_TRACE_PROCESSOR_PRELUDE_TABLE_FUNCTIONS_EXPERIMENTAL_SCHED_UPID_H_
55