Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #539201f8938f4Run #5392041970f3fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,284 1,468 184 14.3%
Incl. Wall Time (microsec) per call 1,284 1,468 184 14.3%
Excl. Wall Time (microsec)45 71 26 57.8%
Incl. CPU (microsecs)609 724 115 18.9%
Incl. CPU (microsecs) per call 609 724 115 18.9%
Excl. CPU (microsec)35 57 22 62.9%
Incl. MemUse (bytes)79,004 79,004 0 0.0%
Incl. MemUse (bytes) per call 79,004 79,004 0 0.0%
Excl. MemUse (bytes)1,708 1,708 0 0.0%
Incl. PeakMemUse (bytes)78,940 78,940 0 0.0%
Incl. PeakMemUse (bytes) per call 78,940 78,940 0 0.0%
Excl. PeakMemUse (bytes)1,968 1,968 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% 184 12.6% 115 4.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function26 14.1% 22 19.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 184 100.0% 115 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 156 84.8% 91 79.1% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 4 2.2% 5 4.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% -1 -0.5% -1 -0.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -1 -0.5% -2 -1.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%