Diff Report
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3af7e977d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #538e3ac0de109Run #538e3af7e977dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,594 1,643 49 3.1%
Incl. Wall Time (microsec) per call 1,594 1,643 49 3.1%
Excl. Wall Time (microsec)26 27 1 3.8%
Incl. CPU (microsecs)1,388 1,395 7 0.5%
Incl. CPU (microsecs) per call 1,388 1,395 7 0.5%
Excl. CPU (microsec)18 21 3 16.7%
Incl. MemUse (bytes)258,536 258,536 0 0.0%
Incl. MemUse (bytes) per call 258,536 258,536 0 0.0%
Excl. MemUse (bytes)3,176 3,176 0 0.0%
Incl. PeakMemUse (bytes)260,600 260,600 0 0.0%
Incl. PeakMemUse (bytes) per call 260,600 260,600 0 0.0%
Excl. PeakMemUse (bytes)3,608 3,608 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% 49 6.7% 7 0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 2.0% 3 42.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 49 100.0% 7 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 51 104.1% 9 128.6% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::loadClass0 N/A% -5 -10.2% -5 -71.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 2 4.1% 1 14.3% 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\Connection::setTarget0 N/A% 0 0.0% -1 -14.3% 0 N/A% 0 N/A%