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Run #5391fc871e91d: 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% 1,539 0.3% 1,571 0.3% 125,856 1.0% 107,952 0.8%
Exclusive Metrics for Current Function152 9.9% 154 9.8% 6,704 5.3% 4,064 3.8%
Parent functions
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery3 20.0% 803 52.2% 812 51.7% 103,460 82.2% 98,496 91.2%
Drupal\Core\Entity\Query\Sql\Query::prepare4 26.7% 249 16.2% 255 16.2% 6,812 5.4% 4,412 4.1%
Drupal\Core\Database\Query\Merge::execute2 13.3% 125 8.1% 128 8.1% 3,608 2.9% 0 0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData2 13.3% 113 7.3% 117 7.4% 3,724 3.0% 1,012 0.9%
db_select1 6.7% 74 4.8% 76 4.8% 2,052 1.6% 1,580 1.5%
Drupal\comment\CommentStatistics::read1 6.7% 62 4.0% 65 4.1% 2,048 1.6% 268 0.2%
Drupal\Core\Database\Query\Select::countQuery1 6.7% 59 3.8% 62 3.9% 2,088 1.7% 1,976 1.8%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery1 6.7% 54 3.5% 56 3.6% 2,064 1.6% 208 0.2%
Child functions
Drupal\Core\Database\Query\Select::__construct15 50.0% 849 55.2% 863 54.9% 37,752 30.0% 24,756 22.9%
Drupal\Core\Database\Connection::getDriverClass15 50.0% 538 35.0% 554 35.3% 81,400 64.7% 79,132 73.3%