Diff Report
Run #519c04ab45451: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c03b86b1ec: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519c04ab45451Run #519c03b86b1ecDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,067 2,181 114 5.5%
Incl. Wall Time (microsec) per call 2,067 2,181 114 5.5%
Excl. Wall Time (microsec)64 66 2 3.1%
Incl. CPU (microsecs)1,239 1,269 30 2.4%
Incl. CPU (microsecs) per call 1,239 1,269 30 2.4%
Excl. CPU (microsec)52 52 0 0.0%
Incl. MemUse (bytes)102,236 102,240 4 0.0%
Incl. MemUse (bytes) per call 102,236 102,240 4 0.0%
Excl. MemUse (bytes)2,988 2,988 0 0.0%
Incl. PeakMemUse (bytes)99,196 99,200 4 0.0%
Incl. PeakMemUse (bytes) per call 99,196 99,200 4 0.0%
Excl. PeakMemUse (bytes)3,116 3,116 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% 114 18.3% 30 2.0% 4 0.0% 4 0.0%
Exclusive Metrics Diff for Current Function2 1.8% 0 0.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 114 100.0% 30 100.0% 4 100.0% 4 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 111 97.4% 28 93.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 4 3.5% 4 13.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -0.9% 1 3.3% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -1 -0.9% -1 -3.3% 4 100.0% 4 100.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -1 -0.9% -2 -6.7% 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%