Diff Report
Run #519e636f9416a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519e636f9416aRun #519e62c02d767DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)897 1,335 438 48.8%
Incl. Wall Time (microsec) per call 897 1,335 438 48.8%
Excl. Wall Time (microsec)35 37 2 5.7%
Incl. CPU (microsecs)520 699 179 34.4%
Incl. CPU (microsecs) per call 520 699 179 34.4%
Excl. CPU (microsec)29 32 3 10.3%
Incl. MemUse (bytes)152,432 152,456 24 0.0%
Incl. MemUse (bytes) per call 152,432 152,456 24 0.0%
Excl. MemUse (bytes)3,520 3,520 0 0.0%
Incl. PeakMemUse (bytes)90,976 91,000 24 0.0%
Incl. PeakMemUse (bytes) per call 90,976 91,000 24 0.0%
Excl. PeakMemUse (bytes)3,264 3,264 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% 438 2.7% 179 1.2% 24 0.0% 24 0.0%
Exclusive Metrics Diff for Current Function2 0.5% 3 1.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 438 100.0% 179 100.0% 24 100.0% 24 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 437 99.8% 179 100.0% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 1 0.2% 0 0.0% 24 100.0% 24 100.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -1 -0.2% -2 -1.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% -1 -0.2% -1 -0.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 0 0.0% 0 0.0% 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%