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/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_utils.h" 26 #include "src/trace_processor/trace_storage.h" 27 28 namespace perfetto { 29 namespace trace_processor { 30 31 SqlStatsTable::SqlStatsTable(sqlite3*, const TraceStorage* storage) 32 : storage_(storage) {} 33 34 void SqlStatsTable::RegisterTable(sqlite3* db, const TraceStorage* storage) { 35 Table::Register<SqlStatsTable>(db, storage, "sqlstats"); 36 } 37 38 base::Optional<Table::Schema> SqlStatsTable::Init(int, const char* const*) { 39 return Schema( 40 { 41 Table::Column(Column::kQuery, "query", ColumnType::kString), 42 Table::Column(Column::kTimeQueued, "queued", ColumnType::kLong), 43 Table::Column(Column::kTimeStarted, "started", ColumnType::kLong), 44 Table::Column(Column::kTimeFirstNext, "first_next", 45 ColumnType::kLong), 46 Table::Column(Column::kTimeEnded, "ended", ColumnType::kLong), 47 }, 48 {Column::kTimeQueued}); 49 } 50 51 std::unique_ptr<Table::Cursor> SqlStatsTable::CreateCursor() { 52 return std::unique_ptr<Table::Cursor>(new Cursor(this)); 53 } 54 55 int SqlStatsTable::BestIndex(const QueryConstraints&, BestIndexInfo* info) { 56 info->order_by_consumed = false; // Delegate sorting to SQLite. 57 return SQLITE_OK; 58 } 59 60 SqlStatsTable::Cursor::Cursor(SqlStatsTable* table) 61 : Table::Cursor(table), storage_(table->storage_), table_(table) {} 62 63 SqlStatsTable::Cursor::~Cursor() = default; 64 65 int SqlStatsTable::Cursor::Filter(const QueryConstraints&, sqlite3_value**) { 66 *this = Cursor(table_); 67 num_rows_ = storage_->sql_stats().size(); 68 return SQLITE_OK; 69 } 70 71 int SqlStatsTable::Cursor::Next() { 72 row_++; 73 return SQLITE_OK; 74 } 75 76 int SqlStatsTable::Cursor::Eof() { 77 return row_ >= num_rows_; 78 } 79 80 int SqlStatsTable::Cursor::Column(sqlite3_context* context, int col) { 81 const TraceStorage::SqlStats& stats = storage_->sql_stats(); 82 switch (col) { 83 case Column::kQuery: 84 sqlite3_result_text(context, stats.queries()[row_].c_str(), -1, 85 sqlite_utils::kSqliteStatic); 86 break; 87 case Column::kTimeQueued: 88 sqlite3_result_int64(context, stats.times_queued()[row_]); 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
