XHProf: Hierarchical Profiler Report

Diff Report: Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89ec98250c: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Database::openConnection	Run #51b89dd280f98	Run #51b89ec98250c	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	1,952	1,512	-440	-22.5%
Incl. Wall Time (microsec) per call	1,952	1,512	-440	-22.5%
Excl. Wall Time (microsec)	43	41	-2	-4.7%
Incl. CPU (microsecs)	1,170	1,066	-104	-8.9%
Incl. CPU (microsecs) per call	1,170	1,066	-104	-8.9%
Excl. CPU (microsec)	35	32	-3	-8.6%
Incl. MemUse (bytes)	162,896	162,888	-8	-0.0%
Incl. MemUse (bytes) per call	162,896	162,888	-8	-0.0%
Excl. MemUse (bytes)	3,496	3,496	0	0.0%
Incl. PeakMemUse (bytes)	102,296	102,288	-8	-0.0%
Incl. PeakMemUse (bytes) per call	102,296	102,288	-8	-0.0%
Excl. PeakMemUse (bytes)	3,256	3,256	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%	-440	-3.2%	-104	-0.7%	-8	-0.0%	-8	-0.0%
Exclusive Metrics Diff for Current Function			-2	-0.5%	-3	-2.9%	0	0.0%	0	0.0%
*Parent function*
Drupal\Core\Database\Database::getConnection	0	N/A%	-440	-100.0%	-104	-100.0%	-8	-100.0%	-8	-100.0%
*Child functions*
Drupal\Core\Database\Driver\mysql\Connection::open	0	N/A%	-444	-100.9%	-108	-103.8%	0	0.0%	0	0.0%
Symfony\Component\ClassLoader\ClassLoader::loadClass	0	N/A%	3	0.7%	2	1.9%	-8	-100.0%	-8	-100.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct	0	N/A%	3	0.7%	3	2.9%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::setKey	0	N/A%	0	0.0%	1	1.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::setTarget	0	N/A%	0	0.0%	1	1.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Database::parseConnectionInfo	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%