Run Report
Run #519c03b86b1ec: 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::query171 19.8% 102,130 10.1% 35,903 3.8% 280,272 2.9% 203,804 2.0%
Exclusive Metrics for Current Function5,017 4.9% 4,517 12.6% -76,968 -27.5% 29,552 14.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple87 50.9% 50,108 49.1% 18,069 50.3% 146,988 52.4% 129,968 63.8%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple54 31.6% 35,357 34.6% 12,036 33.5% 69,160 24.7% 18,288 9.0%
Drupal\Core\Database\Query\Select::execute6 3.5% 5,510 5.4% 1,421 4.0% 26,308 9.4% 25,068 12.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags11 6.4% 4,225 4.1% 1,868 5.2% 12,868 4.6% 14,372 7.1%
Drupal\Core\Cache\DatabaseBackend::getMultiple@17 4.1% 3,286 3.2% 1,265 3.5% 10,900 3.9% 4,476 2.2%
db_query3 1.8% 1,941 1.9% 677 1.9% 7,620 2.7% 9,032 4.4%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest1 0.6% 748 0.7% 228 0.6% 1,776 0.6% 2,600 1.3%
Drupal\Core\Path\AliasManager::lookupPathSource1 0.6% 493 0.5% 140 0.4% 1,992 0.7% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange1 0.6% 462 0.5% 199 0.6% 2,660 0.9% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute171 25.0% 84,022 82.3% 17,777 49.5% 128,680 45.9% 34,780 17.1%
Drupal\Core\Database\Connection::expandArguments171 25.0% 6,229 6.1% 6,409 17.9% 6,732 2.4% 80,964 39.7%
Drupal\Core\Database\Connection::prepareQuery171 25.0% 5,884 5.8% 6,046 16.8% 142,688 50.9% 41,208 20.2%
Drupal\Core\Database\Connection::defaultOptions171 25.0% 978 1.0% 1,154 3.2% 79,140 28.2% 17,300 8.5%