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Run #539205a48c548: 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::select15 27.8% 1,559 0.3% 1,587 0.3% 125,848 0.9% 107,856 0.8%
Exclusive Metrics for Current Function164 10.5% 161 10.1% 6,704 5.3% 3,996 3.7%
Parent functions
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery3 20.0% 795 51.0% 800 50.4% 103,460 82.2% 98,496 91.3%
Drupal\Core\Entity\Query\Sql\Query::prepare4 26.7% 250 16.0% 256 16.1% 6,812 5.4% 4,412 4.1%
Drupal\Core\Database\Query\Merge::execute2 13.3% 134 8.6% 136 8.6% 3,608 2.9% 0 0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData2 13.3% 119 7.6% 123 7.8% 3,724 3.0% 1,012 0.9%
db_select1 6.7% 71 4.6% 73 4.6% 2,052 1.6% 1,580 1.5%
Drupal\comment\CommentStatistics::read1 6.7% 64 4.1% 68 4.3% 2,040 1.6% 172 0.2%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery1 6.7% 64 4.1% 66 4.2% 2,064 1.6% 208 0.2%
Drupal\Core\Database\Query\Select::countQuery1 6.7% 62 4.0% 65 4.1% 2,088 1.7% 1,976 1.8%
Child functions
Drupal\Core\Database\Query\Select::__construct15 50.0% 859 55.1% 878 55.3% 37,744 30.0% 24,728 22.9%
Drupal\Core\Database\Connection::getDriverClass15 50.0% 536 34.4% 548 34.5% 81,400 64.7% 79,132 73.4%