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Run #519c1639640b3: 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% 530 0.1% 237 0.0% 12,608 0.0% 0 0.0%
Exclusive Metrics for Current Function40 7.5% 39 16.5% 3,464 27.5% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection1 100.0% 530 100.0% 237 100.0% 12,608 100.0% 0 N/A%
Child functions
PDO::__construct1 25.0% 385 72.6% 145 61.2% 7,264 57.6% 0 N/A%
PDO::exec2 50.0% 102 19.2% 49 20.7% 800 6.3% 0 N/A%
implode1 25.0% 3 0.6% 4 1.7% 1,080 8.6% 0 N/A%