Diff Report
Run #519ffa0e6cdec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ffa45eeaa4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519ffa0e6cdecRun #519ffa45eeaa4DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)678 699 21 3.1%
Incl. Wall Time (microsec) per call 678 699 21 3.1%
Excl. Wall Time (microsec)31 33 2 6.5%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)152,928 152,928 0 0.0%
Incl. MemUse (bytes) per call 152,928 152,928 0 0.0%
Excl. MemUse (bytes)3,472 3,472 0 0.0%
Incl. PeakMemUse (bytes)149,624 149,624 0 0.0%
Incl. PeakMemUse (bytes) per call 149,624 149,624 0 0.0%
Excl. PeakMemUse (bytes)3,784 3,784 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Database::openConnection [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Database::openConnection0 N/A% 21 3.8% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 9.5% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 21 100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 14 66.7% 0 N/A% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 2 9.5% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 2 9.5% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 4.8% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%