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Run #51ec227a9cea0: 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% 594 0.0% 214 0.0% 12,936 0.1% 12,248 0.1%
Exclusive Metrics for Current Function36 6.1% 33 15.4% 3,344 25.9% 1,808 14.8%
Parent function
Drupal\Core\Database\Database::openConnection1 100.0% 594 100.0% 214 100.0% 12,936 100.0% 12,248 100.0%
Child functions
PDO::__construct1 25.0% 434 73.1% 131 61.2% 7,712 59.6% 8,968 73.2%
PDO::exec2 50.0% 122 20.5% 47 22.0% 800 6.2% 632 5.2%
implode1 25.0% 2 0.3% 3 1.4% 1,080 8.3% 840 6.9%