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Run #52e4374042ace: 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% 359 0.1% 162 0.1% 12,904 0.1% 12,720 0.1%
Exclusive Metrics for Current Function30 8.4% 25 15.4% 3,320 25.7% 1,944 15.3%
Parent function
Drupal\Core\Database\Database::openConnection1 100.0% 359 100.0% 162 100.0% 12,904 100.0% 12,720 100.0%
Child functions
PDO::__construct1 25.0% 207 57.7% 94 58.0% 7,704 59.7% 9,448 74.3%
PDO::exec2 50.0% 121 33.7% 41 25.3% 800 6.2% 624 4.9%
implode1 25.0% 1 0.3% 2 1.2% 1,080 8.4% 704 5.5%