Diff Report
Run #518ef09a47b3b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #518ef09a47b3bRun #518eee9367b5dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)857 1,103 246 28.7%
Incl. Wall Time (microsec) per call 857 1,103 246 28.7%
Excl. Wall Time (microsec)34 33 -1 -2.9%
Incl. CPU (microsecs)620 657 37 6.0%
Incl. CPU (microsecs) per call 620 657 37 6.0%
Excl. CPU (microsec)26 24 -2 -7.7%
Incl. MemUse (bytes)174,112 174,104 -8 -0.0%
Incl. MemUse (bytes) per call 174,112 174,104 -8 -0.0%
Excl. MemUse (bytes)4,880 4,880 0 0.0%
Incl. PeakMemUse (bytes)174,008 174,000 -8 -0.0%
Incl. PeakMemUse (bytes) per call 174,008 174,000 -8 -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% 246 132.3% 37 7.2% -8 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function-1 -0.4% -2 -5.4% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 246 100.0% 37 100.0% -8 -100.0% -8 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 260 105.7% 51 137.8% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -8 -3.3% -7 -18.9% -8 -100.0% -8 -100.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -4 -1.6% -3 -8.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -0.4% -1 -2.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -2.7% 0 0.0% 0 0.0%