Diff Report
Run #519afb15356f3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519afa8ec2e5c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519afb15356f3Run #519afa8ec2e5cDiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 3,027 3,027 N/A%
Incl. Wall Time (microsec) per call N/A 3,027 3,027 N/A%
Excl. Wall Time (microsec) 38 38 N/A%
Incl. CPU (microsecs) 2,348 2,348 N/A%
Incl. CPU (microsecs) per call N/A 2,348 2,348 N/A%
Excl. CPU (microsec) 34 34 N/A%
Incl. MemUse (bytes) 333,816 333,816 N/A%
Incl. MemUse (bytes) per call N/A 333,816 333,816 N/A%
Excl. MemUse (bytes) 3,480 3,480 N/A%
Incl. PeakMemUse (bytes) 321,064 321,064 N/A%
Incl. PeakMemUse (bytes) per call N/A 321,064 321,064 N/A%
Excl. PeakMemUse (bytes) 1,648 1,648 N/A%

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::openConnection1 6.2% 3,027 0.6% 2,348 0.5% 333,816 0.9% 321,064 0.8%
Exclusive Metrics Diff for Current Function38 1.3% 34 1.4% 3,480 1.0% 1,648 0.5%
Parent function
Drupal\Core\Database\Database::getConnection1 100.0% 3,027 100.0% 2,348 100.0% 333,816 100.0% 321,064 100.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass1 16.7% 1,309 43.2% 1,309 55.7% 250,896 75.2% 291,608 90.8%
Drupal\Core\Database\Driver\mysql\Connection::open1 16.7% 999 33.0% 319 13.6% 12,968 3.9% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct1 16.7% 648 21.4% 649 27.6% 60,784 18.2% 26,232 8.2%
Drupal\Core\Database\Database::parseConnectionInfo1 16.7% 26 0.9% 28 1.2% 3,936 1.2% 0 0.0%
Drupal\Core\Database\Connection::setTarget1 16.7% 4 0.1% 5 0.2% 880 0.3% 792 0.2%
Drupal\Core\Database\Connection::setKey1 16.7% 3 0.1% 4 0.2% 872 0.3% 784 0.2%