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Run #53920bd97d62d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for Drupal\Core\Database\Connection::select [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::select14 27.5% 1,277 0.3% 1,301 0.4% 99,236 0.9% 82,540 0.7%
Exclusive Metrics for Current Function156 12.2% 153 11.8% 6,092 6.1% 3,132 3.8%
Parent functions
Drupal\Core\Database\Query\Merge::execute2 14.3% 487 38.1% 491 37.7% 77,336 77.9% 75,152 91.0%
Drupal\Core\Entity\Query\Sql\Query::prepare5 35.7% 352 27.6% 358 27.5% 8,396 8.5% 5,168 6.3%
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery2 14.3% 130 10.2% 133 10.2% 3,636 3.7% 0 0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData2 14.3% 120 9.4% 123 9.5% 3,724 3.8% 340 0.4%
db_select1 7.1% 68 5.3% 71 5.5% 2,052 2.1% 1,580 1.9%
Drupal\comment\CommentStatistics::read1 7.1% 63 4.9% 66 5.1% 2,040 2.1% 288 0.3%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery1 7.1% 57 4.5% 59 4.5% 2,052 2.1% 12 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct14 50.0% 736 57.6% 748 57.5% 23,340 23.5% 9,852 11.9%
Drupal\Core\Database\Connection::getDriverClass14 50.0% 385 30.1% 400 30.7% 69,804 70.3% 69,556 84.3%