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