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Run #519ab5e205edd: 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::query130 19.7% 25,918 13.4% 15,853 8.7% 844,000 5.8% 317,096 2.2%
Exclusive Metrics for Current Function1,834 7.1% 1,494 9.4% -94,608 -11.2% 22,192 7.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple86 66.2% 17,465 67.4% 10,755 67.8% 589,064 69.8% 148,704 46.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags11 8.5% 2,176 8.4% 1,239 7.8% 44,776 5.3% 26,616 8.4%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple10 7.7% 2,042 7.9% 1,180 7.4% 39,168 4.6% 29,672 9.4%
Drupal\Core\Database\Query\Select::execute9 6.9% 1,683 6.5% 1,077 6.8% 85,216 10.1% 58,328 18.4%
Drupal\Core\Cache\DatabaseBackend::getMultiple@17 5.4% 1,454 5.6% 781 4.9% 44,192 5.2% 29,344 9.3%
db_query4 3.1% 686 2.6% 497 3.1% 18,400 2.2% 16,104 5.1%
Drupal\Core\Path\AliasManager::lookupPathSource1 0.8% 160 0.6% 97 0.6% 4,608 0.5% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest1 0.8% 132 0.5% 117 0.7% 4,632 0.5% 4,832 1.5%
Drupal\Core\Database\Driver\mysql\Connection::queryRange1 0.8% 120 0.5% 110 0.7% 13,944 1.7% 3,496 1.1%
Child functions
Drupal\Core\Database\Statement::execute130 25.0% 18,473 71.3% 8,412 53.1% 696,152 82.5% 188,488 59.4%
Drupal\Core\Database\Connection::expandArguments130 25.0% 2,748 10.6% 2,851 18.0% 11,128 1.3% 58,144 18.3%
Drupal\Core\Database\Connection::prepareQuery130 25.0% 2,676 10.3% 2,784 17.6% 131,640 15.6% 28,832 9.1%
Drupal\Core\Database\Connection::defaultOptions130 25.0% 187 0.7% 312 2.0% 99,688 11.8% 19,440 6.1%