XHProf: Hierarchical Profiler Report

Diff Report: Run #519f02278cd90: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f012418c24: 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 #519f02278cd90	Run #519f012418c24	Diff	Diff%
Number of Function Calls	152	152	0	0.0%
Incl. Wall Time (microsec)	59,973	58,286	-1,687	-2.8%
Incl. Wall Time (microsec) per call	395	383	-11	-2.8%
Excl. Wall Time (microsec)	2,412	2,419	7	0.3%
Incl. CPU (microsecs)	23,390	23,408	18	0.1%
Incl. CPU (microsecs) per call	154	154	0	0.1%
Excl. CPU (microsec)	2,047	2,015	-32	-1.6%
Incl. MemUse (bytes)	1,039,408	1,039,432	24	0.0%
Incl. MemUse (bytes) per call	6,838	6,838	0	0.0%
Excl. MemUse (bytes)	-119,560	-119,576	-16	-0.0%
Incl. PeakMemUse (bytes)	373,936	374,080	144	0.0%
Incl. PeakMemUse (bytes) per call	2,460	2,461	1	0.0%
Excl. PeakMemUse (bytes)	22,608	22,672	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%