XHProf: Hierarchical Profiler Report

Diff Report: Run #51abc588c7973: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51abc4cb0a647: 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 #51abc588c7973	Run #51abc4cb0a647	Diff	Diff%
Number of Function Calls	93	93	0	0.0%
Incl. Wall Time (microsec)	33,487	34,398	911	2.7%
Incl. Wall Time (microsec) per call	360	370	10	2.7%
Excl. Wall Time (microsec)	1,406	1,337	-69	-4.9%
Incl. CPU (microsecs)	13,344	12,603	-741	-5.6%
Incl. CPU (microsecs) per call	143	136	-8	-5.6%
Excl. CPU (microsec)	1,190	1,081	-109	-9.2%
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)	-67,848	-67,872	-24	-0.0%
Incl. PeakMemUse (bytes)	315,776	318,568	2,792	0.9%
Incl. PeakMemUse (bytes) per call	3,395	3,425	30	0.9%
Excl. PeakMemUse (bytes)	20,608	20,672	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%	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%