XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Database::openConnection	Run #51ec517fc2424	Run #51ec52a09990a	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	1,362	1,338	-24	-1.8%
Incl. Wall Time (microsec) per call	1,362	1,338	-24	-1.8%
Excl. Wall Time (microsec)	33	34	1	3.0%
Incl. CPU (microsecs)	703	699	-4	-0.6%
Incl. CPU (microsecs) per call	703	699	-4	-0.6%
Excl. CPU (microsec)	26	28	2	7.7%
Incl. MemUse (bytes)	153,112	153,112	0	0.0%
Incl. MemUse (bytes) per call	153,112	153,112	0	0.0%
Excl. MemUse (bytes)	3,512	3,512	0	0.0%
Incl. PeakMemUse (bytes)	150,272	150,272	0	0.0%
Incl. PeakMemUse (bytes) per call	150,272	150,272	0	0.0%
Excl. PeakMemUse (bytes)	3,704	3,704	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%	-24	-0.6%	-4	-0.1%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			1	4.2%	2	50.0%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\Database\Database::getConnection	0	N/A%	-24	-100.0%	-4	-100.0%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Driver\mysql\Connection::open	0	N/A%	-25	-104.2%	-4	-100.0%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	2	8.3%	1	25.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct	0	N/A%	-2	-8.3%	-1	-25.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::setKey	0	N/A%	0	0.0%	-1	-25.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::setTarget	0	N/A%	0	0.0%	-1	-25.0%	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%