XHProf: Hierarchical Profiler Report

Diff Report: Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::query	Run #51ec51f5849d9	Run #51ec517fc2424	Diff	Diff%
Number of Function Calls	170	170	0	0.0%
Incl. Wall Time (microsec)	40,699	40,988	289	0.7%
Incl. Wall Time (microsec) per call	239	241	2	0.7%
Excl. Wall Time (microsec)	2,416	2,503	87	3.6%
Incl. CPU (microsecs)	21,535	21,994	459	2.1%
Incl. CPU (microsecs) per call	127	129	3	2.1%
Excl. CPU (microsec)	1,972	2,057	85	4.3%
Incl. MemUse (bytes)	1,111,520	1,111,520	0	0.0%
Incl. MemUse (bytes) per call	6,538	6,538	0	0.0%
Excl. MemUse (bytes)	-138,072	-138,072	0	0.0%
Incl. PeakMemUse (bytes)	710,776	710,776	0	0.0%
Incl. PeakMemUse (bytes) per call	4,181	4,181	0	0.0%
Excl. PeakMemUse (bytes)	45,560	45,560	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%	289	9.9%	459	14.6%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			87	30.1%	85	18.5%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-617	-213.5%	285	62.1%	0	N/A%	0	N/A%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	511	176.8%	12	2.6%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	344	119.0%	88	19.2%	0	N/A%	0	N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	253	87.5%	74	16.1%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	-132	-45.7%	6	1.3%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Update::execute	0	N/A%	-105	-36.3%	-59	-12.9%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	99	34.3%	8	1.7%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Delete::execute	0	N/A%	-41	-14.2%	2	0.4%	0	N/A%	0	N/A%
db_query	0	N/A%	-33	-11.4%	-10	-2.2%	0	N/A%	0	N/A%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	-29	-10.0%	-1	-0.2%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Select::execute	0	N/A%	28	9.7%	48	10.5%	0	N/A%	0	N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	7	2.4%	9	2.0%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	4	1.4%	-3	-0.7%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	151	52.2%	330	71.9%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	21	7.3%	1	0.2%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	14	4.8%	16	3.5%	0	N/A%	0	N/A%
PDO::lastInsertId	0	N/A%	8	2.8%	8	1.7%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	8	2.8%	21	4.6%	0	N/A%	0	N/A%
PDOStatement::rowCount	0	N/A%	0	0.0%	-2	-0.4%	0	N/A%	0	N/A%