Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)951 1,334 383 40.3%
Incl. Wall Time (microsec) per call 951 1,334 383 40.3%
Excl. Wall Time (microsec)34 34 0 0.0%
Incl. CPU (microsecs)577 711 134 23.2%
Incl. CPU (microsecs) per call 577 711 134 23.2%
Excl. CPU (microsec)25 29 4 16.0%
Incl. MemUse (bytes)153,112 153,120 8 0.0%
Incl. MemUse (bytes) per call 153,112 153,120 8 0.0%
Excl. MemUse (bytes)3,512 3,512 0 0.0%
Incl. PeakMemUse (bytes)150,272 150,280 8 0.0%
Incl. PeakMemUse (bytes) per call 150,272 150,280 8 0.0%
Excl. PeakMemUse (bytes)3,704 3,704 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% 383 16.3% 134 3.9% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 4 3.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 383 100.0% 134 100.0% 8 100.0% 8 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 385 100.5% 135 100.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -2 -0.5% -3 -2.2% 8 100.0% 8 100.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 0.3% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -1 -0.3% 1 0.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -0.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% -2 -1.5% 0 0.0% 0 0.0%