Diff Report
Run #51902129e4489: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51902129e4489Run #51901ff69a8a6DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,078 1,139 61 5.7%
Incl. Wall Time (microsec) per call 1,078 1,139 61 5.7%
Excl. Wall Time (microsec)34 33 -1 -2.9%
Incl. CPU (microsecs)701 640 -61 -8.7%
Incl. CPU (microsecs) per call 701 640 -61 -8.7%
Excl. CPU (microsec)28 27 -1 -3.6%
Incl. MemUse (bytes)174,216 174,216 0 0.0%
Incl. MemUse (bytes) per call 174,216 174,216 0 0.0%
Excl. MemUse (bytes)4,880 4,880 0 0.0%
Incl. PeakMemUse (bytes)173,048 173,048 0 0.0%
Incl. PeakMemUse (bytes) per call 173,048 173,048 0 0.0%
Excl. PeakMemUse (bytes)4,448 4,448 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% 61 113.0% -61 -81.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -1.6% -1 -1.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 61 100.0% -61 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 84 137.7% -38 -62.3% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -12 -19.7% -13 -21.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -9 -14.8% -11 -18.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -1.6% 1 1.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 1 1.6% 0 N/A% 0 N/A%