XHProf: Hierarchical Profiler Report

Diff Report: Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #521962a927d49: 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 #5219624c55207	Run #521962a927d49	Diff	Diff%
Number of Function Calls	93	93	0	0.0%
Incl. Wall Time (microsec)	37,631	37,677	46	0.1%
Incl. Wall Time (microsec) per call	405	405	0	0.1%
Excl. Wall Time (microsec)	1,435	1,462	27	1.9%
Incl. CPU (microsecs)	12,912	13,271	359	2.8%
Incl. CPU (microsecs) per call	139	143	4	2.8%
Excl. CPU (microsec)	1,191	1,253	62	5.2%
Incl. MemUse (bytes)	597,776	597,744	-32	-0.0%
Incl. MemUse (bytes) per call	6,428	6,427	-0	-0.0%
Excl. MemUse (bytes)	-73,632	-73,632	0	0.0%
Incl. PeakMemUse (bytes)	429,960	429,768	-192	-0.0%
Incl. PeakMemUse (bytes) per call	4,623	4,621	-2	-0.0%
Excl. PeakMemUse (bytes)	29,696	29,704	8	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%	46	9.9%	359	37.8%	-32	-0.1%	-192	-0.7%
Exclusive Metrics Diff for Current Function			27	58.7%	62	17.3%	0	0.0%	8	4.2%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-410	-891.3%	197	54.9%	-48	-150.0%	-280	-145.8%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	222	482.6%	53	14.8%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Update::execute	0	N/A%	162	352.2%	17	4.7%	0	0.0%	-64	-33.3%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	-161	-350.0%	-1	-0.3%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Select::execute	0	N/A%	95	206.5%	8	2.2%	0	0.0%	-40	-20.8%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	70	152.2%	50	13.9%	16	50.0%	192	100.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	67	145.7%	-4	-1.1%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	46	100.0%	20	5.6%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Delete::execute	0	N/A%	-44	-95.7%	-1	-0.3%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	-3	-6.5%	-1	-0.3%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	2	4.3%	21	5.8%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	60	130.4%	352	98.1%	-40	-125.0%	-272	-141.7%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-28	-60.9%	-40	-11.1%	0	0.0%	-304	-158.3%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	-10	-21.7%	-9	-2.5%	8	25.0%	328	170.8%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-8	-17.4%	-13	-3.6%	0	0.0%	48	25.0%
PDO::lastInsertId	0	N/A%	3	6.5%	5	1.4%	0	0.0%	0	0.0%
PDOStatement::rowCount	0	N/A%	2	4.3%	2	0.6%	0	0.0%	0	0.0%