Run Report
Run #519d9d94433aa: 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::query154 19.7% 58,053 8.5% 22,585 3.5% 1,014,728 1.8% 421,112 0.8%
Exclusive Metrics for Current Function2,837 4.9% 2,506 11.1% -129,872 -12.8% 25,320 6.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple91 59.1% 31,143 53.6% 13,320 59.0% 646,968 63.8% 252,208 59.9%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple27 17.5% 10,428 18.0% 3,940 17.4% 112,192 11.1% 21,760 5.2%
Drupal\Core\Database\Query\Select::execute10 6.5% 5,860 10.1% 1,441 6.4% 114,192 11.3% 86,360 20.5%
Drupal\Core\Cache\DatabaseBackend::checksumTags11 7.1% 3,367 5.8% 1,576 7.0% 47,320 4.7% 32,688 7.8%
Drupal\Core\Cache\DatabaseBackend::getMultiple@17 4.5% 2,436 4.2% 1,007 4.5% 45,848 4.5% 5,776 1.4%
Drupal\Core\Database\Query\Update::execute1 0.6% 2,256 3.9% 209 0.9% 2,032 0.2% 0 0.0%
db_query4 2.6% 1,542 2.7% 707 3.1% 22,280 2.2% 18,464 4.4%
Drupal\Core\Path\AliasManager::lookupPathSource1 0.6% 447 0.8% 127 0.6% 4,920 0.5% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest1 0.6% 362 0.6% 131 0.6% 4,840 0.5% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange1 0.6% 212 0.4% 127 0.6% 14,136 1.4% 3,856 0.9%
Child functions
Drupal\Core\Database\Statement::execute154 25.0% 46,442 80.0% 10,946 48.5% 799,136 78.8% 266,032 63.2%
Drupal\Core\Database\Connection::prepareQuery154 25.0% 4,167 7.2% 4,283 19.0% 205,152 20.2% 39,816 9.5%
Drupal\Core\Database\Connection::expandArguments154 25.0% 3,983 6.9% 4,098 18.1% 10,536 1.0% 66,416 15.8%
Drupal\Core\Database\Connection::defaultOptions154 25.0% 620 1.1% 747 3.3% 128,976 12.7% 23,528 5.6%
PDOStatement::rowCount1 0.2% 4 0.0% 5 0.0% 800 0.1% 0 0.0%