XHProf: Hierarchical Profiler Report

Diff Report: Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #535139ab6e707: 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 #53513afe3c568	Run #535139ab6e707	Diff	Diff%
Number of Function Calls	280	280	0	0.0%
Incl. Wall Time (microsec)	69,521	65,181	-4,340	-6.2%
Incl. Wall Time (microsec) per call	248	233	-16	-6.2%
Excl. Wall Time (microsec)	3,328	3,350	22	0.7%
Incl. CPU (microsecs)	32,322	27,341	-4,981	-15.4%
Incl. CPU (microsecs) per call	115	98	-18	-15.4%
Excl. CPU (microsec)	2,544	2,608	64	2.5%
Incl. MemUse (bytes)	2,178,440	2,320,672	142,232	6.5%
Incl. MemUse (bytes) per call	7,780	8,288	508	6.5%
Excl. MemUse (bytes)	-241,776	-241,760	16	0.0%
Incl. PeakMemUse (bytes)	610,392	610,456	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%