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Run #519c045f200ea: 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% 100,209 10.0% 35,508 3.8% 280,272 2.9% 203,804 2.0%
Exclusive Metrics for Current Function5,002 5.0% 4,488 12.6% -76,968 -27.5% 29,552 14.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple87 50.9% 50,042 49.9% 18,157 51.1% 146,988 52.4% 129,968 63.8%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple54 31.6% 34,038 34.0% 11,619 32.7% 69,160 24.7% 18,288 9.0%
Drupal\Core\Database\Query\Select::execute6 3.5% 5,295 5.3% 1,424 4.0% 26,308 9.4% 25,068 12.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags11 6.4% 4,435 4.4% 1,873 5.3% 12,868 4.6% 14,372 7.1%
Drupal\Core\Cache\DatabaseBackend::getMultiple@17 4.1% 3,437 3.4% 1,283 3.6% 10,900 3.9% 4,476 2.2%
db_query3 1.8% 1,352 1.3% 597 1.7% 7,620 2.7% 9,032 4.4%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest1 0.6% 746 0.7% 230 0.6% 1,776 0.6% 2,600 1.3%
Drupal\Core\Path\AliasManager::lookupPathSource1 0.6% 501 0.5% 142 0.4% 1,992 0.7% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange1 0.6% 363 0.4% 183 0.5% 2,660 0.9% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute171 25.0% 82,087 81.9% 17,366 48.9% 128,680 45.9% 34,780 17.1%
Drupal\Core\Database\Connection::expandArguments171 25.0% 6,259 6.2% 6,447 18.2% 6,732 2.4% 80,964 39.7%
Drupal\Core\Database\Connection::prepareQuery171 25.0% 5,887 5.9% 6,046 17.0% 142,688 50.9% 41,208 20.2%
Drupal\Core\Database\Connection::defaultOptions171 25.0% 974 1.0% 1,161 3.3% 79,140 28.2% 17,300 8.5%