XHProf: Hierarchical Profiler Report

Diff Report: Run #519f012418c24: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f02278cd90: 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 #519f012418c24	Run #519f02278cd90	Diff	Diff%
Number of Function Calls	152	152	0	0.0%
Incl. Wall Time (microsec)	58,286	59,973	1,687	2.9%
Incl. Wall Time (microsec) per call	383	395	11	2.9%
Excl. Wall Time (microsec)	2,419	2,412	-7	-0.3%
Incl. CPU (microsecs)	23,408	23,390	-18	-0.1%
Incl. CPU (microsecs) per call	154	154	-0	-0.1%
Excl. CPU (microsec)	2,015	2,047	32	1.6%
Incl. MemUse (bytes)	1,039,432	1,039,408	-24	-0.0%
Incl. MemUse (bytes) per call	6,838	6,838	-0	-0.0%
Excl. MemUse (bytes)	-119,576	-119,560	16	0.0%
Incl. PeakMemUse (bytes)	374,080	373,936	-144	-0.0%
Incl. PeakMemUse (bytes) per call	2,461	2,460	-1	-0.0%
Excl. PeakMemUse (bytes)	22,672	22,608	-64	-0.3%

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%	1,687	68.7%	-18	-0.6%	-24	-0.4%	-144	-0.8%
Exclusive Metrics Diff for Current Function			-7	-0.4%	32	177.8%	16	66.7%	-64	-44.4%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	765	45.3%	-143	-794.4%	0	0.0%	-144	-100.0%
Drupal\Core\Database\Query\Select::execute	0	N/A%	412	24.4%	100	555.6%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	231	13.7%	45	250.0%	0	0.0%	0	0.0%
db_query	0	N/A%	130	7.7%	-2	-11.1%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	85	5.0%	-1	-5.6%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	64	3.8%	-18	-100.0%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	54	3.2%	20	111.1%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-37	-2.2%	-14	-77.8%	-24	-100.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	N/A%	-10	-0.6%	-5	-27.8%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Update::execute	0	N/A%	-7	-0.4%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	1,941	115.1%	218	1211.1%	-24	-100.0%	-264	-183.3%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-157	-9.3%	-140	-777.8%	0	0.0%	8	5.6%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	-95	-5.6%	-100	-555.6%	0	0.0%	176	122.2%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	5	0.3%	-28	-155.6%	-16	-66.7%	0	0.0%
PDOStatement::rowCount	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%