XHProf: Hierarchical Profiler Report

Diff Report: Run #52d4b1d6bf728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Database::openConnection	Run #52d4b1d6bf728	Run #52d4b18f32fb6	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	639	574	-65	-10.2%
Incl. Wall Time (microsec) per call	639	574	-65	-10.2%
Excl. Wall Time (microsec)	27	26	-1	-3.7%
Incl. CPU (microsecs)	428	408	-20	-4.7%
Incl. CPU (microsecs) per call	428	408	-20	-4.7%
Excl. CPU (microsec)	20	17	-3	-15.0%
Incl. MemUse (bytes)	151,584	151,584	0	0.0%
Incl. MemUse (bytes) per call	151,584	151,584	0	0.0%
Excl. MemUse (bytes)	3,496	3,496	0	0.0%
Incl. PeakMemUse (bytes)	149,768	149,768	0	0.0%
Incl. PeakMemUse (bytes) per call	149,768	149,768	0	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%	-65	-57.0%	-20	-46.5%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-1	-1.5%	-3	-15.0%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\Database\Database::getConnection	0	N/A%	-65	-100.0%	-20	-100.0%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Driver\mysql\Connection::open	0	N/A%	-53	-81.5%	-7	-35.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct	0	N/A%	-12	-18.5%	-12	-60.0%	0	N/A%	0	N/A%
Composer\Autoload\ClassLoader::loadClass	0	N/A%	1	1.5%	1	5.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::setKey	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::setTarget	0	N/A%	0	0.0%	1	5.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Database::parseConnectionInfo	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%