XHProf: Hierarchical Profiler Report

Diff Report: Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96df6ca13b: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Database::openConnection	Run #52c96d7c36f9e	Run #52c96df6ca13b	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	520	519	-1	-0.2%
Incl. Wall Time (microsec) per call	520	519	-1	-0.2%
Excl. Wall Time (microsec)	27	25	-2	-7.4%
Incl. CPU (microsecs)	346	349	3	0.9%
Incl. CPU (microsecs) per call	346	349	3	0.9%
Excl. CPU (microsec)	22	19	-3	-13.6%
Incl. MemUse (bytes)	151,752	151,752	0	0.0%
Incl. MemUse (bytes) per call	151,752	151,752	0	0.0%
Excl. MemUse (bytes)	3,496	3,496	0	0.0%
Incl. PeakMemUse (bytes)	149,136	149,136	0	0.0%
Incl. PeakMemUse (bytes) per call	149,136	149,136	0	0.0%
Excl. PeakMemUse (bytes)	3,776	3,776	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%	-1	-0.8%	3	0.4%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-2	-200.0%	-3	-100.0%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\Database\Database::getConnection	0	N/A%	-1	-100.0%	3	100.0%	0	N/A%	0	N/A%
*Child functions*
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	3	300.0%	2	66.7%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Connection::open	0	N/A%	-2	-200.0%	1	33.3%	0	N/A%	0	N/A%
Drupal\Core\Database\Database::parseConnectionInfo	0	N/A%	1	100.0%	1	33.3%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct	0	N/A%	-1	-100.0%	0	0.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::setKey	0	N/A%	0	0.0%	1	33.3%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::setTarget	0	N/A%	0	0.0%	1	33.3%	0	N/A%	0	N/A%