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 #include "src/trace_processor/iterator_impl.h"
18
19 #include "perfetto/base/time.h"
20 #include "perfetto/trace_processor/trace_processor_storage.h"
21 #include "src/trace_processor/sqlite/scoped_db.h"
22 #include "src/trace_processor/storage/trace_storage.h"
23 #include "src/trace_processor/trace_processor_impl.h"
24
25 namespace perfetto {
26 namespace trace_processor {
27
IteratorImpl(TraceProcessorImpl * trace_processor,sqlite3 * db,base::Status status,ScopedStmt stmt,StmtMetadata metadata,uint32_t sql_stats_row)28 IteratorImpl::IteratorImpl(TraceProcessorImpl* trace_processor,
29 sqlite3* db,
30 base::Status status,
31 ScopedStmt stmt,
32 StmtMetadata metadata,
33 uint32_t sql_stats_row)
34 : trace_processor_(trace_processor),
35 db_(db),
36 status_(std::move(status)),
37 stmt_(std::move(stmt)),
38 stmt_metadata_(std::move(metadata)),
39 sql_stats_row_(sql_stats_row) {}
40
~IteratorImpl()41 IteratorImpl::~IteratorImpl() {
42 if (trace_processor_) {
43 base::TimeNanos t_end = base::GetWallTimeNs();
44 auto* sql_stats =
45 trace_processor_.get()->context_.storage->mutable_sql_stats();
46 sql_stats->RecordQueryEnd(sql_stats_row_, t_end.count());
47 }
48 }
49
RecordFirstNextInSqlStats()50 void IteratorImpl::RecordFirstNextInSqlStats() {
51 base::TimeNanos t_first_next = base::GetWallTimeNs();
52 auto* sql_stats =
53 trace_processor_.get()->context_.storage->mutable_sql_stats();
54 sql_stats->RecordQueryFirstNext(sql_stats_row_, t_first_next.count());
55 }
56
Iterator(std::unique_ptr<IteratorImpl> iterator)57 Iterator::Iterator(std::unique_ptr<IteratorImpl> iterator)
58 : iterator_(std::move(iterator)) {}
59 Iterator::~Iterator() = default;
60
61 Iterator::Iterator(Iterator&&) noexcept = default;
62 Iterator& Iterator::operator=(Iterator&&) noexcept = default;
63
Next()64 bool Iterator::Next() {
65 return iterator_->Next();
66 }
67
Get(uint32_t col)68 SqlValue Iterator::Get(uint32_t col) {
69 return iterator_->Get(col);
70 }
71
GetColumnName(uint32_t col)72 std::string Iterator::GetColumnName(uint32_t col) {
73 return iterator_->GetColumnName(col);
74 }
75
ColumnCount()76 uint32_t Iterator::ColumnCount() {
77 return iterator_->ColumnCount();
78 }
79
Status()80 base::Status Iterator::Status() {
81 return iterator_->Status();
82 }
83
StatementCount()84 uint32_t Iterator::StatementCount() {
85 return iterator_->StatementCount();
86 }
87
StatementWithOutputCount()88 uint32_t Iterator::StatementWithOutputCount() {
89 return iterator_->StatementCountWithOutput();
90 }
91
92 } // namespace trace_processor
93 } // namespace perfetto
94