Diff Report
Run #51981e3ae1e6c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51981e3ae1e6cRun #51981beb768adDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,290 2,477 187 8.2%
Incl. Wall Time (microsec) per call 2,290 2,477 187 8.2%
Excl. Wall Time (microsec)36 36 0 0.0%
Incl. CPU (microsecs)1,847 1,900 53 2.9%
Incl. CPU (microsecs) per call 1,847 1,900 53 2.9%
Excl. CPU (microsec)25 26 1 4.0%
Incl. MemUse (bytes)299,200 299,240 40 0.0%
Incl. MemUse (bytes) per call 299,200 299,240 40 0.0%
Excl. MemUse (bytes)3,464 3,464 0 0.0%
Incl. PeakMemUse (bytes)287,936 287,992 56 0.0%
Incl. PeakMemUse (bytes) per call 287,936 287,992 56 0.0%
Excl. PeakMemUse (bytes)1,424 1,424 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% 187 152.0% 53 10.0% 40 0.1% 56 0.2%
Exclusive Metrics Diff for Current Function0 0.0% 1 1.9% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 187 100.0% 53 100.0% 40 100.0% 56 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 178 95.2% 45 84.9% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 4 2.1% 3 5.7% -8 -20.0% 96 171.4%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 4 2.1% 4 7.5% 32 80.0% -40 -71.4%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% 1 0.5% 1 1.9% 16 40.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -1.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%