xref: /aosp_15_r20/external/perfetto/src/trace_processor/iterator_impl.cc (revision 6dbdd20afdafa5e3ca9b8809fa73465d530080dc)
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/perfetto_sql/engine/perfetto_sql_engine.h"
22 #include "src/trace_processor/sqlite/scoped_db.h"
23 #include "src/trace_processor/storage/trace_storage.h"
24 #include "src/trace_processor/trace_processor_impl.h"
25 
26 namespace perfetto {
27 namespace trace_processor {
28 
IteratorImpl(TraceProcessorImpl * trace_processor,base::StatusOr<PerfettoSqlEngine::ExecutionResult> result,uint32_t sql_stats_row)29 IteratorImpl::IteratorImpl(
30     TraceProcessorImpl* trace_processor,
31     base::StatusOr<PerfettoSqlEngine::ExecutionResult> result,
32     uint32_t sql_stats_row)
33     : trace_processor_(trace_processor),
34       result_(std::move(result)),
35       sql_stats_row_(sql_stats_row) {}
36 
~IteratorImpl()37 IteratorImpl::~IteratorImpl() {
38   if (trace_processor_) {
39     base::TimeNanos t_end = base::GetWallTimeNs();
40     auto* sql_stats =
41         trace_processor_.get()->context_.storage->mutable_sql_stats();
42     sql_stats->RecordQueryEnd(sql_stats_row_, t_end.count());
43   }
44 }
45 
RecordFirstNextInSqlStats()46 void IteratorImpl::RecordFirstNextInSqlStats() {
47   base::TimeNanos t_first_next = base::GetWallTimeNs();
48   auto* sql_stats =
49       trace_processor_.get()->context_.storage->mutable_sql_stats();
50   sql_stats->RecordQueryFirstNext(sql_stats_row_, t_first_next.count());
51 }
52 
Iterator(std::unique_ptr<IteratorImpl> iterator)53 Iterator::Iterator(std::unique_ptr<IteratorImpl> iterator)
54     : iterator_(std::move(iterator)) {}
55 Iterator::~Iterator() = default;
56 
57 Iterator::Iterator(Iterator&&) noexcept = default;
58 Iterator& Iterator::operator=(Iterator&&) noexcept = default;
59 
Next()60 bool Iterator::Next() {
61   return iterator_->Next();
62 }
63 
Get(uint32_t col)64 SqlValue Iterator::Get(uint32_t col) {
65   return iterator_->Get(col);
66 }
67 
GetColumnName(uint32_t col)68 std::string Iterator::GetColumnName(uint32_t col) {
69   return iterator_->GetColumnName(col);
70 }
71 
ColumnCount()72 uint32_t Iterator::ColumnCount() {
73   return iterator_->ColumnCount();
74 }
75 
Status()76 base::Status Iterator::Status() {
77   return iterator_->Status();
78 }
79 
StatementCount()80 uint32_t Iterator::StatementCount() {
81   return iterator_->StatementCount();
82 }
83 
StatementWithOutputCount()84 uint32_t Iterator::StatementWithOutputCount() {
85   return iterator_->StatementCountWithOutput();
86 }
87 
LastStatementSql()88 std::string Iterator::LastStatementSql() {
89   return iterator_->LastStatementSql();
90 }
91 
92 }  // namespace trace_processor
93 }  // namespace perfetto
94