Run Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for Drupal\Core\Database\Connection::query [View Callgraph ]


Function NameCallsCalls%Incl. Wall Time
(microsec)		IWall%Incl. CPU
(microsecs)		ICpu%Incl.
MemUse
(bytes)		IMemUse%Incl.
PeakMemUse
(bytes)		IPeakMemUse%
Current Function
Drupal\Core\Database\Connection::query170 19.8% 97,138 12.1% 34,041 4.6% 279,544 2.7% 195,484 1.8%
Exclusive Metrics for Current Function4,823 5.0% 4,305 12.6% -80,624 -28.8% 27,828 14.2%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple98 57.6% 53,988 55.6% 19,937 58.6% 161,172 57.7% 121,988 62.4%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple34 20.0% 20,552 21.2% 7,024 20.6% 43,716 15.6% 18,188 9.3%
Drupal\Core\Database\Query\Select::execute11 6.5% 9,562 9.8% 2,294 6.7% 33,540 12.0% 26,444 13.5%
Drupal\Core\Cache\DatabaseBackend::checksumTags12 7.1% 4,688 4.8% 1,974 5.8% 13,992 5.0% 12,644 6.5%
Drupal\Core\Cache\DatabaseBackend::getMultiple@17 4.1% 3,397 3.5% 1,297 3.8% 10,892 3.9% 5,852 3.0%
db_query4 2.4% 1,768 1.8% 699 2.1% 6,400 2.3% 6,232 3.2%
Drupal\Core\Database\Query\Update::execute1 0.6% 1,299 1.3% 252 0.7% 1,104 0.4% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest1 0.6% 827 0.9% 225 0.7% 3,000 1.1% 3,960 2.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange1 0.6% 578 0.6% 204 0.6% 3,720 1.3% 176 0.1%
Drupal\Core\Path\AliasManager::lookupPathSource1 0.6% 479 0.5% 135 0.4% 2,008 0.7% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute170 25.0% 79,639 82.0% 16,498 48.5% 128,548 46.0% 29,172 14.9%
Drupal\Core\Database\Connection::expandArguments170 25.0% 5,971 6.1% 6,160 18.1% 5,904 2.1% 73,816 37.8%
Drupal\Core\Database\Connection::prepareQuery170 25.0% 5,735 5.9% 5,922 17.4% 146,576 52.4% 47,292 24.2%
Drupal\Core\Database\Connection::defaultOptions170 25.0% 969 1.0% 1,151 3.4% 78,688 28.1% 17,376 8.9%
PDOStatement::rowCount1 0.1% 1 0.0% 5 0.0% 452 0.2% 0 0.0%