XHProf: Hierarchical Profiler Report

Diff Report: Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f1db1bc51: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Database::openConnection	Run #5198f0bb880ef	Run #5198f1db1bc51	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	1,240	1,107	-133	-10.7%
Incl. Wall Time (microsec) per call	1,240	1,107	-133	-10.7%
Excl. Wall Time (microsec)	36	39	3	8.3%
Incl. CPU (microsecs)	639	660	21	3.3%
Incl. CPU (microsecs) per call	639	660	21	3.3%
Excl. CPU (microsec)	31	34	3	9.7%
Incl. MemUse (bytes)	152,744	152,768	24	0.0%
Incl. MemUse (bytes) per call	152,744	152,768	24	0.0%
Excl. MemUse (bytes)	3,480	3,480	0	0.0%
Incl. PeakMemUse (bytes)	92,032	92,056	24	0.0%
Incl. PeakMemUse (bytes) per call	92,032	92,056	24	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%	-133	-8.3%	21	0.9%	24	0.1%	24	0.1%
Exclusive Metrics Diff for Current Function			3	2.3%	3	14.3%	0	0.0%	0	0.0%
*Parent function*
Drupal\Core\Database\Database::getConnection	0	N/A%	-133	-100.0%	21	100.0%	24	100.0%	24	100.0%
*Child functions*
Drupal\Core\Database\Driver\mysql\Connection::open	0	N/A%	-150	-112.8%	3	14.3%	16	66.7%	16	66.7%
Drupal\Core\Database\Driver\mysql\Connection::__construct	0	N/A%	7	5.3%	8	38.1%	0	0.0%	0	0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	6	4.5%	6	28.6%	8	33.3%	8	33.3%
Drupal\Core\Database\Database::parseConnectionInfo	0	N/A%	1	0.8%	2	9.5%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::setKey	0	N/A%	0	0.0%	-1	-4.8%	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%