Diff Report
Run #517d73f55c548: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7319aefb8: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #517d73f55c548Run #517d7319aefb8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,162 1,378 216 18.6%
Incl. Wall Time (microsec) per call 1,162 1,378 216 18.6%
Excl. Wall Time (microsec)30 32 2 6.7%
Incl. CPU (microsecs)752 788 36 4.8%
Incl. CPU (microsecs) per call 752 788 36 4.8%
Excl. CPU (microsec)25 26 1 4.0%
Incl. MemUse (bytes)174,024 174,024 0 0.0%
Incl. MemUse (bytes) per call 174,024 174,024 0 0.0%
Excl. MemUse (bytes)4,880 4,880 0 0.0%
Incl. PeakMemUse (bytes)173,976 173,976 0 0.0%
Incl. PeakMemUse (bytes) per call 173,976 173,976 0 0.0%
Excl. PeakMemUse (bytes)3,752 3,752 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% 216 2.6% 36 0.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 0.9% 1 2.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 216 100.0% 36 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 204 94.4% 25 69.4% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 8 3.7% 8 22.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 1 0.5% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 0.5% 2 5.6% 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%