XHProf: Hierarchical Profiler Report

Diff Report: Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53513afe3c568: 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 #535139ab6e707	Run #53513afe3c568	Diff	Diff%
Number of Function Calls	280	280	0	0.0%
Incl. Wall Time (microsec)	65,181	69,521	4,340	6.7%
Incl. Wall Time (microsec) per call	233	248	16	6.7%
Excl. Wall Time (microsec)	3,350	3,328	-22	-0.7%
Incl. CPU (microsecs)	27,341	32,322	4,981	18.2%
Incl. CPU (microsecs) per call	98	115	18	18.2%
Excl. CPU (microsec)	2,608	2,544	-64	-2.5%
Incl. MemUse (bytes)	2,320,672	2,178,440	-142,232	-6.1%
Incl. MemUse (bytes) per call	8,288	7,780	-508	-6.1%
Excl. MemUse (bytes)	-241,760	-241,776	-16	-0.0%
Incl. PeakMemUse (bytes)	610,456	610,392	-64	-0.0%
Incl. PeakMemUse (bytes) per call	2,180	2,180	-0	-0.0%
Excl. PeakMemUse (bytes)	38,584	38,584	0	0.0%

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	0	N/A%	4,340	77.5%	4,981	78.2%	-142,232	-596.8%	-64	-0.3%
Exclusive Metrics Diff for Current Function			-22	-0.5%	-64	-1.3%	-16	-0.0%	0	0.0%
*Parent functions*
Drupal\Core\Database\Query\Select::execute	0	N/A%	4,749	109.4%	5,068	101.7%	-142,208	-100.0%	-88	-137.5%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	-296	-6.8%	-119	-2.4%	0	0.0%	-208	-325.0%
Drupal\Core\Config\DatabaseStorage::listAll	0	N/A%	-226	-5.2%	-69	-1.4%	-40	-0.0%	64	100.0%
Drupal\Core\Config\DatabaseStorage::readMultiple	0	N/A%	116	2.7%	59	1.2%	0	0.0%	136	212.5%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-32	-0.7%	25	0.5%	-16	-0.0%	-184	-287.5%
Drupal\Core\Path\AliasStorage::lookupPathSource	0	N/A%	27	0.6%	2	0.0%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	-21	-0.5%	-4	-0.1%	24	0.0%	208	325.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	21	0.5%	10	0.2%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	3	0.1%	8	0.2%	8	0.0%	-32	-50.0%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	-2	-0.0%	-1	-0.0%	0	0.0%	-32	-50.0%
Drupal\user\UserStorage::addRoles	0	N/A%	1	0.0%	2	0.0%	0	0.0%	72	112.5%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	4,458	102.7%	5,100	102.4%	-142,248	-100.0%	72	112.5%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-116	-2.7%	-134	-2.7%	-8	-0.0%	-136	-212.5%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	19	0.4%	40	0.8%	16	0.0%	-32	-50.0%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	1	0.0%	39	0.8%	24	0.0%	32	50.0%