XHProf: Hierarchical Profiler Report

Diff Report: Run #52d3e812c7cf2: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e85377bba: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Database::openConnection	Run #52d3e812c7cf2	Run #52d3e85377bba	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	596	579	-17	-2.9%
Incl. Wall Time (microsec) per call	596	579	-17	-2.9%
Excl. Wall Time (microsec)	28	27	-1	-3.6%
Incl. CPU (microsecs)	422	414	-8	-1.9%
Incl. CPU (microsecs) per call	422	414	-8	-1.9%
Excl. CPU (microsec)	23	20	-3	-13.0%
Incl. MemUse (bytes)	151,608	151,600	-8	-0.0%
Incl. MemUse (bytes) per call	151,608	151,600	-8	-0.0%
Excl. MemUse (bytes)	3,496	3,496	0	0.0%
Incl. PeakMemUse (bytes)	149,864	149,848	-16	-0.0%
Incl. PeakMemUse (bytes) per call	149,864	149,848	-16	-0.0%
Excl. PeakMemUse (bytes)	3,936	3,936	0	0.0%

Function Name	Calls Diff	Calls 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::openConnection	0	N/A%	-17	-1.0%	-8	-0.5%	-8	-0.0%	-16	-0.0%
Exclusive Metrics Diff for Current Function			-1	-5.9%	-3	-37.5%	0	0.0%	0	0.0%
*Parent function*
Drupal\Core\Database\Database::getConnection	0	N/A%	-17	-100.0%	-8	-100.0%	-8	-100.0%	-16	-100.0%
*Child functions*
Drupal\Core\Database\Driver\mysql\Connection::open	0	N/A%	-12	-70.6%	-3	-37.5%	-8	-100.0%	-16	-100.0%
Composer\Autoload\ClassLoader::loadClass	0	N/A%	-2	-11.8%	-1	-12.5%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct	0	N/A%	-2	-11.8%	-2	-25.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Database::parseConnectionInfo	0	N/A%	1	5.9%	1	12.5%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::setKey	0	N/A%	-1	-5.9%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::setTarget	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%