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Run #556d0efcc18be: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for Drupal\Core\Database\Driver\mysql\Connection::open [View Callgraph ]


Function NameCallsCalls%Incl. Wall Time
(microsec)		IWall%Incl.
MemUse
(bytes)		IMemUse%Incl.
PeakMemUse
(bytes)		IPeakMemUse%
Current Function
Drupal\Core\Database\Driver\mysql\Connection::open1 8.3% 490 0.0% 12,664 0.0% 12,024 0.0%
Exclusive Metrics for Current Function37 7.6% 3,712 29.3% 2,048 17.0%
Parent function
Drupal\Core\Database\Database::openConnection1 100.0% 490 100.0% 12,664 100.0% 12,024 100.0%
Child functions
PDO::__construct1 25.0% 332 67.8% 7,640 60.3% 9,320 77.5%
PDO::exec2 50.0% 120 24.5% 656 5.2% 168 1.4%
defined1 25.0% 1 0.2% 656 5.2% 488 4.1%