Run Report
Run #519d45a7cd8f5: 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::query170 19.8% 99,368 12.3% 34,238 4.6% 279,544 2.7% 195,484 1.8%
Exclusive Metrics for Current Function4,790 4.8% 4,311 12.6% -80,624 -28.8% 27,828 14.2%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple98 57.6% 53,696 54.0% 19,863 58.0% 161,172 57.7% 121,988 62.4%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple34 20.0% 21,175 21.3% 7,217 21.1% 43,716 15.6% 18,188 9.3%
Drupal\Core\Database\Query\Select::execute11 6.5% 10,080 10.1% 2,407 7.0% 33,540 12.0% 26,444 13.5%
Drupal\Core\Cache\DatabaseBackend::checksumTags12 7.1% 4,765 4.8% 2,045 6.0% 13,992 5.0% 12,644 6.5%
Drupal\Core\Cache\DatabaseBackend::getMultiple@17 4.1% 3,322 3.3% 1,250 3.7% 10,892 3.9% 5,852 3.0%
Drupal\Core\Database\Query\Update::execute1 0.6% 2,469 2.5% 216 0.6% 1,104 0.4% 0 0.0%
db_query4 2.4% 1,860 1.9% 668 2.0% 6,400 2.3% 6,232 3.2%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest1 0.6% 926 0.9% 225 0.7% 3,000 1.1% 3,960 2.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange1 0.6% 580 0.6% 205 0.6% 3,720 1.3% 176 0.1%
Drupal\Core\Path\AliasManager::lookupPathSource1 0.6% 495 0.5% 142 0.4% 2,008 0.7% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute170 25.0% 81,987 82.5% 16,799 49.1% 128,548 46.0% 29,172 14.9%
Drupal\Core\Database\Connection::expandArguments170 25.0% 5,918 6.0% 6,094 17.8% 5,904 2.1% 73,816 37.8%
Drupal\Core\Database\Connection::prepareQuery170 25.0% 5,711 5.7% 5,897 17.2% 146,576 52.4% 47,292 24.2%
Drupal\Core\Database\Connection::defaultOptions170 25.0% 961 1.0% 1,133 3.3% 78,688 28.1% 17,376 8.9%
PDOStatement::rowCount1 0.1% 1 0.0% 4 0.0% 452 0.2% 0 0.0%