1 /*
2 * Copyright (C) 2018 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/sqlite/sql_stats_table.h"
18
19 #include <sqlite3.h>
20
21 #include <algorithm>
22 #include <bitset>
23 #include <numeric>
24
25 #include "src/trace_processor/sqlite/sqlite_utils.h"
26 #include "src/trace_processor/storage/trace_storage.h"
27
28 namespace perfetto {
29 namespace trace_processor {
30
SqlStatsTable(sqlite3 *,const TraceStorage * storage)31 SqlStatsTable::SqlStatsTable(sqlite3*, const TraceStorage* storage)
32 : storage_(storage) {}
33
RegisterTable(sqlite3 * db,const TraceStorage * storage)34 void SqlStatsTable::RegisterTable(sqlite3* db, const TraceStorage* storage) {
35 SqliteTable::Register<SqlStatsTable>(db, storage, "sqlstats");
36 }
37
Init(int,const char * const *,Schema * schema)38 util::Status SqlStatsTable::Init(int, const char* const*, Schema* schema) {
39 *schema = Schema(
40 {
41 SqliteTable::Column(Column::kQuery, "query", SqlValue::Type::kString),
42 SqliteTable::Column(Column::kTimeStarted, "started",
43 SqlValue::Type::kLong),
44 SqliteTable::Column(Column::kTimeFirstNext, "first_next",
45 SqlValue::Type::kLong),
46 SqliteTable::Column(Column::kTimeEnded, "ended",
47 SqlValue::Type::kLong),
48 },
49 {Column::kTimeStarted});
50 return util::OkStatus();
51 }
52
CreateCursor()53 std::unique_ptr<SqliteTable::Cursor> SqlStatsTable::CreateCursor() {
54 return std::unique_ptr<SqliteTable::Cursor>(new Cursor(this));
55 }
56
BestIndex(const QueryConstraints &,BestIndexInfo *)57 int SqlStatsTable::BestIndex(const QueryConstraints&, BestIndexInfo*) {
58 return SQLITE_OK;
59 }
60
Cursor(SqlStatsTable * table)61 SqlStatsTable::Cursor::Cursor(SqlStatsTable* table)
62 : SqliteTable::Cursor(table), storage_(table->storage_), table_(table) {}
63
64 SqlStatsTable::Cursor::~Cursor() = default;
65
Filter(const QueryConstraints &,sqlite3_value **,FilterHistory)66 int SqlStatsTable::Cursor::Filter(const QueryConstraints&,
67 sqlite3_value**,
68 FilterHistory) {
69 *this = Cursor(table_);
70 num_rows_ = storage_->sql_stats().size();
71 return SQLITE_OK;
72 }
73
Next()74 int SqlStatsTable::Cursor::Next() {
75 row_++;
76 return SQLITE_OK;
77 }
78
Eof()79 int SqlStatsTable::Cursor::Eof() {
80 return row_ >= num_rows_;
81 }
82
Column(sqlite3_context * context,int col)83 int SqlStatsTable::Cursor::Column(sqlite3_context* context, int col) {
84 const TraceStorage::SqlStats& stats = storage_->sql_stats();
85 switch (col) {
86 case Column::kQuery:
87 sqlite3_result_text(context, stats.queries()[row_].c_str(), -1,
88 sqlite_utils::kSqliteStatic);
89 break;
90 case Column::kTimeStarted:
91 sqlite3_result_int64(context, stats.times_started()[row_]);
92 break;
93 case Column::kTimeFirstNext:
94 sqlite3_result_int64(context, stats.times_first_next()[row_]);
95 break;
96 case Column::kTimeEnded:
97 sqlite3_result_int64(context, stats.times_ended()[row_]);
98 break;
99 }
100 return SQLITE_OK;
101 }
102
103 } // namespace trace_processor
104 } // namespace perfetto
105