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Run #519c153c76aa0: 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::query140 19.7% 46,615 8.2% 23,381 4.3% 950,544 1.8% 418,264 0.8%
Exclusive Metrics for Current Function2,315 5.0% 2,033 8.7% -111,608 -11.7% 26,184 6.3%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple91 65.0% 30,625 65.7% 15,543 66.5% 645,624 67.9% 262,256 62.7%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple15 10.7% 4,991 10.7% 2,601 11.1% 62,632 6.6% 19,520 4.7%
Drupal\Core\Database\Query\Select::execute9 6.4% 4,104 8.8% 1,563 6.7% 103,632 10.9% 79,392 19.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags11 7.9% 2,943 6.3% 1,651 7.1% 47,328 5.0% 30,456 7.3%
Drupal\Core\Cache\DatabaseBackend::getMultiple@17 5.0% 1,944 4.2% 1,043 4.5% 45,816 4.8% 5,616 1.3%
db_query4 2.9% 1,092 2.3% 534 2.3% 21,616 2.3% 17,168 4.1%
Drupal\Core\Path\AliasManager::lookupPathSource1 0.7% 402 0.9% 177 0.8% 4,920 0.5% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest1 0.7% 308 0.7% 141 0.6% 4,840 0.5% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange1 0.7% 206 0.4% 128 0.5% 14,136 1.5% 3,856 0.9%
Child functions
Drupal\Core\Database\Statement::execute140 25.0% 36,289 77.8% 13,021 55.7% 746,952 78.6% 259,008 61.9%
Drupal\Core\Database\Connection::prepareQuery140 25.0% 3,755 8.1% 3,874 16.6% 187,888 19.8% 40,008 9.6%
Drupal\Core\Database\Connection::expandArguments140 25.0% 3,661 7.9% 3,760 16.1% 9,984 1.1% 68,360 16.3%
Drupal\Core\Database\Connection::defaultOptions140 25.0% 595 1.3% 693 3.0% 117,328 12.3% 24,704 5.9%