XHProf: Hierarchical Profiler Report

Diff Report: Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::query	Run #538e3ac0de109	Run #538e3b37c1a66	Diff	Diff%
Number of Function Calls	137	139	2	1.5%
Incl. Wall Time (microsec)	31,648	32,507	859	2.7%
Incl. Wall Time (microsec) per call	231	234	3	1.2%
Excl. Wall Time (microsec)	1,708	1,701	-7	-0.4%
Incl. CPU (microsecs)	14,293	14,524	231	1.6%
Incl. CPU (microsecs) per call	104	104	0	0.2%
Excl. CPU (microsec)	1,347	1,303	-44	-3.3%
Incl. MemUse (bytes)	826,048	838,656	12,608	1.5%
Incl. MemUse (bytes) per call	6,030	6,033	4	0.1%
Excl. MemUse (bytes)	-108,832	-110,408	-1,576	-1.4%
Incl. PeakMemUse (bytes)	571,336	575,552	4,216	0.7%
Incl. PeakMemUse (bytes) per call	4,170	4,141	-30	-0.7%
Excl. PeakMemUse (bytes)	39,968	40,264	296	0.7%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::query [View Callgraph Diff]

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\Connection::query	2	20.0%	859	20.0%	231	6.2%	12,608	11.8%	4,216	3.6%
Exclusive Metrics Diff for Current Function			-7	-0.8%	-44	-19.0%	-1,576	-12.5%	296	7.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	2	100.0%	466	54.2%	115	49.8%	12,552	99.6%	4,496	106.6%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	0.0%	167	19.4%	65	28.1%	0	0.0%	-32	-0.8%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	0.0%	92	10.7%	24	10.4%	0	0.0%	0	0.0%
Drupal\Core\Config\DatabaseStorage::readMultiple	0	0.0%	80	9.3%	12	5.2%	24	0.2%	-360	-8.5%
Drupal\Core\Path\AliasStorage::lookupPathSource	0	0.0%	24	2.8%	18	7.8%	24	0.2%	-32	-0.8%
Drupal\Core\Config\DatabaseStorage::listAll	0	0.0%	16	1.9%	7	3.0%	8	0.1%	0	0.0%
Drupal\user\UserStorage::addRoles	0	0.0%	9	1.0%	9	3.9%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	0.0%	6	0.7%	-2	-0.9%	0	0.0%	-72	-1.7%
Drupal\Core\Database\Query\Select::execute	0	0.0%	-4	-0.5%	-21	-9.1%	0	0.0%	216	5.1%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	0.0%	3	0.3%	4	1.7%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	2	25.0%	752	87.5%	129	55.8%	10,688	84.8%	3,200	75.9%
Drupal\Core\Database\Connection::expandArguments	2	25.0%	54	6.3%	77	33.3%	16	0.1%	704	16.7%
Drupal\Core\Database\Connection::defaultOptions	2	25.0%	31	3.6%	21	9.1%	1,544	12.2%	680	16.1%
Drupal\Core\Database\Connection::prepareQuery	2	25.0%	29	3.4%	48	20.8%	1,936	15.4%	-664	-15.7%