XHProf: Hierarchical Profiler Report

Diff Report: Run #5204425923c81: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204417bc7ab7: 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 #5204425923c81	Run #5204417bc7ab7	Diff	Diff%
Number of Function Calls	146	146	0	0.0%
Incl. Wall Time (microsec)	58,210	59,391	1,181	2.0%
Incl. Wall Time (microsec) per call	399	407	8	2.0%
Excl. Wall Time (microsec)	2,292	2,321	29	1.3%
Incl. CPU (microsecs)	21,249	21,701	452	2.1%
Incl. CPU (microsecs) per call	146	149	3	2.1%
Excl. CPU (microsec)	1,935	1,963	28	1.4%
Incl. MemUse (bytes)	925,640	925,688	48	0.0%
Incl. MemUse (bytes) per call	6,340	6,340	0	0.0%
Excl. MemUse (bytes)	-117,272	-117,264	8	0.0%
Incl. PeakMemUse (bytes)	628,160	628,008	-152	-0.0%
Incl. PeakMemUse (bytes) per call	4,302	4,301	-1	-0.0%
Excl. PeakMemUse (bytes)	44,696	44,664	-32	-0.1%

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%	1,181	1494.9%	452	57.9%	48	0.1%	-152	-0.3%
Exclusive Metrics Diff for Current Function			29	2.5%	28	6.2%	8	16.7%	-32	-21.1%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	918	77.7%	328	72.6%	16	33.3%	-128	-84.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	237	20.1%	51	11.3%	0	0.0%	-144	-94.7%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	204	17.3%	34	7.5%	0	0.0%	40	26.3%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	-152	-12.9%	22	4.9%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Update::execute	0	N/A%	-124	-10.5%	-55	-12.2%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::execute	0	N/A%	117	9.9%	75	16.6%	24	50.0%	24	15.8%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	79	6.7%	-2	-0.4%	0	0.0%	-8	-5.3%
Drupal\Core\Database\Query\Delete::execute	0	N/A%	-57	-4.8%	-2	-0.4%	0	0.0%	48	31.6%
db_query	0	N/A%	-52	-4.4%	-23	-5.1%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	25	2.1%	-10	-2.2%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	-23	-1.9%	1	0.2%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	9	0.8%	31	6.9%	8	16.7%	16	10.5%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	0	0.0%	2	0.4%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	1,060	89.8%	339	75.0%	24	50.0%	-48	-31.6%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	63	5.3%	61	13.5%	0	0.0%	-112	-73.7%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	32	2.7%	39	8.6%	16	33.3%	40	26.3%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	-3	-0.3%	-16	-3.5%	0	0.0%	0	0.0%
PDOStatement::rowCount	0	N/A%	0	0.0%	1	0.2%	0	0.0%	0	0.0%
PDO::lastInsertId	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%