Diff Report
Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774cdfb1214: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51774c26bf054Run #51774cdfb1214DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,222 1,265 43 3.5%
Incl. Wall Time (microsec) per call 1,222 1,265 43 3.5%
Excl. Wall Time (microsec)31 33 2 6.5%
Incl. CPU (microsecs)689 706 17 2.5%
Incl. CPU (microsecs) per call 689 706 17 2.5%
Excl. CPU (microsec)25 27 2 8.0%
Incl. MemUse (bytes)174,136 174,136 0 0.0%
Incl. MemUse (bytes) per call 174,136 174,136 0 0.0%
Excl. MemUse (bytes)4,880 4,880 0 0.0%
Incl. PeakMemUse (bytes)174,032 174,032 0 0.0%
Incl. PeakMemUse (bytes) per call 174,032 174,032 0 0.0%
Excl. PeakMemUse (bytes)4,496 4,496 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% 43 0.2% 17 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 4.7% 2 11.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 43 100.0% 17 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 37 86.0% 10 58.8% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 5 11.6% 4 23.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -2.3% 1 5.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%