Diff Report
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

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

Drupal\Core\Database\Database::openConnectionRun #538e3ac0de109Run #538e3b37c1a66DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,594 1,588 -6 -0.4%
Incl. Wall Time (microsec) per call 1,594 1,588 -6 -0.4%
Excl. Wall Time (microsec)26 27 1 3.8%
Incl. CPU (microsecs)1,388 1,378 -10 -0.7%
Incl. CPU (microsecs) per call 1,388 1,378 -10 -0.7%
Excl. CPU (microsec)18 23 5 27.8%
Incl. MemUse (bytes)258,536 258,512 -24 -0.0%
Incl. MemUse (bytes) per call 258,536 258,512 -24 -0.0%
Excl. MemUse (bytes)3,176 3,176 0 0.0%
Incl. PeakMemUse (bytes)260,600 260,872 272 0.1%
Incl. PeakMemUse (bytes) per call 260,600 260,872 272 0.1%
Excl. PeakMemUse (bytes)3,608 3,608 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% -6 -0.1% -10 -0.3% -24 -0.0% 272 0.2%
Exclusive Metrics Diff for Current Function1 16.7% 5 50.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -6 -100.0% -10 -100.0% -24 -100.0% 272 100.0%
Child functions
Composer\Autoload\ClassLoader::loadClass0 N/A% -9 -150.0% -8 -80.0% -24 -100.0% 272 100.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 3 50.0% -2 -20.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -1 -16.7% -2 -20.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -2 -20.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% -1 -10.0% 0 0.0% 0 0.0%