XHProf: Hierarchical Profiler Report

Diff Report: Run #52c862ea26981: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Database::openConnection	Run #52c862ea26981	Run #52c8629919553	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	644	572	-72	-11.2%
Incl. Wall Time (microsec) per call	644	572	-72	-11.2%
Excl. Wall Time (microsec)	28	27	-1	-3.6%
Incl. CPU (microsecs)	433	410	-23	-5.3%
Incl. CPU (microsecs) per call	433	410	-23	-5.3%
Excl. CPU (microsec)	20	22	2	10.0%
Incl. MemUse (bytes)	151,632	151,616	-16	-0.0%
Incl. MemUse (bytes) per call	151,632	151,616	-16	-0.0%
Excl. MemUse (bytes)	3,496	3,496	0	0.0%
Incl. PeakMemUse (bytes)	149,048	149,032	-16	-0.0%
Incl. PeakMemUse (bytes) per call	149,048	149,032	-16	-0.0%
Excl. PeakMemUse (bytes)	3,800	3,800	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%	-72	-112.5%	-23	-12.9%	-16	-0.1%	-16	-0.1%
Exclusive Metrics Diff for Current Function			-1	-1.4%	2	8.7%	0	0.0%	0	0.0%
*Parent function*
Drupal\Core\Database\Database::getConnection	0	N/A%	-72	-100.0%	-23	-100.0%	-16	-100.0%	-16	-100.0%
*Child functions*
Drupal\Core\Database\Driver\mysql\Connection::open	0	N/A%	-54	-75.0%	-6	-26.1%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct	0	N/A%	-14	-19.4%	-15	-65.2%	0	0.0%	0	0.0%
Composer\Autoload\ClassLoader::loadClass	0	N/A%	-2	-2.8%	-3	-13.0%	-16	-100.0%	-16	-100.0%
Drupal\Core\Database\Database::parseConnectionInfo	0	N/A%	-1	-1.4%	-1	-4.3%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::setKey	0	N/A%	0	0.0%	2	8.7%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::setTarget	0	N/A%	0	0.0%	-2	-8.7%	0	0.0%	0	0.0%