XHProf: Hierarchical Profiler Report

Diff Report: Run #51abc4cb0a647: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51abc588c7973: 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 #51abc4cb0a647	Run #51abc588c7973	Diff	Diff%
Number of Function Calls	93	93	0	0.0%
Incl. Wall Time (microsec)	34,398	33,487	-911	-2.6%
Incl. Wall Time (microsec) per call	370	360	-10	-2.6%
Excl. Wall Time (microsec)	1,337	1,406	69	5.2%
Incl. CPU (microsecs)	12,603	13,344	741	5.9%
Incl. CPU (microsecs) per call	136	143	8	5.9%
Excl. CPU (microsec)	1,081	1,190	109	10.1%
Incl. MemUse (bytes)	611,864	611,864	0	0.0%
Incl. MemUse (bytes) per call	6,579	6,579	0	0.0%
Excl. MemUse (bytes)	-67,872	-67,848	24	0.0%
Incl. PeakMemUse (bytes)	318,568	315,776	-2,792	-0.9%
Incl. PeakMemUse (bytes) per call	3,425	3,395	-30	-0.9%
Excl. PeakMemUse (bytes)	20,672	20,608	-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%	-911	-1656.4%	741	44.1%	0	0.0%	-2,792	-10.5%
Exclusive Metrics Diff for Current Function			69	7.6%	109	14.7%	24	N/A%	-64	-2.3%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	-452	-49.6%	456	61.5%	0	N/A%	-168	-6.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-224	-24.6%	0	0.0%	0	N/A%	0	0.0%
Drupal\Core\Database\Query\Select::execute	0	N/A%	-161	-17.7%	-4	-0.5%	0	N/A%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-123	-13.5%	191	25.8%	0	N/A%	0	0.0%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	83	9.1%	33	4.5%	0	N/A%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	-69	-7.6%	41	5.5%	0	N/A%	-2,688	-96.3%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	N/A%	62	6.8%	2	0.3%	0	N/A%	64	2.3%
db_query	0	N/A%	-31	-3.4%	8	1.1%	0	N/A%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	12	1.3%	12	1.6%	0	N/A%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	-8	-0.9%	2	0.3%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-1,150	-126.2%	485	65.5%	0	N/A%	-1,968	-70.5%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	83	9.1%	64	8.6%	0	N/A%	-288	-10.3%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	80	8.8%	75	10.1%	0	N/A%	-472	-16.9%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	4	0.4%	4	0.5%	-24	N/A%	0	0.0%
PDO::lastInsertId	0	N/A%	3	0.3%	4	0.5%	0	N/A%	0	0.0%