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Run #519d31ef1945d: 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% 588 0.3% 214 0.1% 12,768 0.1% 12,288 0.1%
Exclusive Metrics for Current Function37 6.3% 31 14.5% 3,160 24.7% 1,560 12.7%
Parent function
Drupal\Core\Database\Database::openConnection1 100.0% 588 100.0% 214 100.0% 12,768 100.0% 12,288 100.0%
Child functions
PDO::__construct1 25.0% 428 72.8% 131 61.2% 7,712 60.4% 9,208 74.9%
PDO::exec2 50.0% 121 20.6% 48 22.4% 800 6.3% 632 5.1%
implode1 25.0% 2 0.3% 4 1.9% 1,096 8.6% 888 7.2%