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Run #519c0a965645d: 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% 904 0.3% 342 0.1% 3,568 0.0% 3,332 0.0%
Exclusive Metrics for Current Function74 8.2% 62 18.1% 1,812 50.8% 1,728 51.9%
Parent function
Drupal\Core\Database\Database::openConnection1 100.0% 904 100.0% 342 100.0% 3,568 100.0% 3,332 100.0%
Child functions
PDO::__construct1 25.0% 552 61.1% 203 59.4% 584 16.4% 520 15.6%
PDO::exec2 50.0% 275 30.4% 70 20.5% 452 12.7% 452 13.6%
implode1 25.0% 3 0.3% 7 2.0% 720 20.2% 632 19.0%