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Run #51ec3c1813b11: 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% 532 0.2% 203 0.1% 12,952 0.1% 12,160 0.1%
Exclusive Metrics for Current Function37 7.0% 34 16.7% 3,360 25.9% 1,808 14.9%
Parent function
Drupal\Core\Database\Database::openConnection1 100.0% 532 100.0% 203 100.0% 12,952 100.0% 12,160 100.0%
Child functions
PDO::__construct1 25.0% 378 71.1% 125 61.6% 7,712 59.5% 8,968 73.8%
PDO::exec2 50.0% 115 21.6% 40 19.7% 800 6.2% 632 5.2%
implode1 25.0% 2 0.4% 4 2.0% 1,080 8.3% 752 6.2%