Diff Report
Run #519050cbdc201: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519050cbdc201Run #51904f8640386DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,159 1,198 39 3.4%
Incl. Wall Time (microsec) per call 1,159 1,198 39 3.4%
Excl. Wall Time (microsec)32 32 0 0.0%
Incl. CPU (microsecs)651 690 39 6.0%
Incl. CPU (microsecs) per call 651 690 39 6.0%
Excl. CPU (microsec)26 27 1 3.8%
Incl. MemUse (bytes)174,224 174,232 8 0.0%
Incl. MemUse (bytes) per call 174,224 174,232 8 0.0%
Excl. MemUse (bytes)4,880 4,880 0 0.0%
Incl. PeakMemUse (bytes)172,944 172,952 8 0.0%
Incl. PeakMemUse (bytes) per call 172,944 172,952 8 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% 39 3.5% 39 2.5% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 1 2.6% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 39 100.0% 39 100.0% 8 100.0% 8 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 34 87.2% 34 87.2% 8 100.0% 8 100.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 3 7.7% 2 5.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 1 2.6% 1 2.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 2.6% 1 2.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%