Run Report
Run #519fd38d70008: 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::query112 19.6% 80,443 38.6% 20,000 14.3% 268,856 2.0% 265,392 1.9%
Exclusive Metrics for Current Function1,154 1.4% 4,000 20.0% -85,248 -31.7% 40,192 15.1%
Parent functions
Drupal\Core\Database\Query\Update::execute1 0.9% 66,767 83.0% 4,000 20.0% 1,960 0.7% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple71 63.4% 9,133 11.4% 4,000 20.0% 176,016 65.5% 183,872 69.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags12 10.7% 1,203 1.5% 4,000 20.0% 20,536 7.6% 21,824 8.2%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple8 7.1% 884 1.1% 0 0.0% 15,424 5.7% 17,024 6.4%
db_query5 4.5% 723 0.9% 4,000 20.0% 9,088 3.4% 5,816 2.2%
Drupal\Core\Database\Query\Select::execute5 4.5% 704 0.9% 0 0.0% 18,232 6.8% 12,928 4.9%
Drupal\Core\Cache\DatabaseBackend::getMultiple@17 6.2% 687 0.9% 4,000 20.0% 16,176 6.0% 18,608 7.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest1 0.9% 136 0.2% 0 0.0% 3,448 1.3% 5,320 2.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange1 0.9% 110 0.1% 0 0.0% 4,976 1.9% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource1 0.9% 96 0.1% 0 0.0% 3,000 1.1% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute112 24.9% 76,034 94.5% 4,000 20.0% 142,616 53.0% 43,552 16.4%
Drupal\Core\Database\Connection::expandArguments112 24.9% 1,690 2.1% 4,000 20.0% 9,712 3.6% 99,704 37.6%
Drupal\Core\Database\Connection::prepareQuery112 24.9% 1,435 1.8% 4,000 20.0% 114,968 42.8% 44,864 16.9%
Drupal\Core\Database\Connection::defaultOptions112 24.9% 129 0.2% 0 0.0% 86,008 32.0% 37,080 14.0%
PDOStatement::rowCount1 0.2% 1 0.0% 4,000 20.0% 800 0.3% 0 0.0%