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Run #5391fd5a43e70: 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. CPU
(microsecs)		ICpu%Incl.
MemUse
(bytes)		IMemUse%Incl.
PeakMemUse
(bytes)		IPeakMemUse%
Current Function
Drupal\Core\Database\Driver\mysql\Connection::open1 7.1% 834 0.2% 213 0.0% 3,444 0.0% 3,004 0.0%
Exclusive Metrics for Current Function46 5.5% 37 17.4% 1,680 48.8% 1,436 47.8%
Parent function
Drupal\Core\Database\Database::openConnection1 100.0% 834 100.0% 213 100.0% 3,444 100.0% 3,004 100.0%
Child functions
PDO::__construct1 25.0% 538 64.5% 123 57.7% 588 17.1% 480 16.0%
PDO::exec2 50.0% 248 29.7% 49 23.0% 452 13.1% 452 15.0%
implode1 25.0% 2 0.2% 4 1.9% 724 21.0% 636 21.2%