XHProf: Hierarchical Profiler Report

Diff Report: Run #519de1c349c58: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519de26535836: 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 #519de1c349c58	Run #519de26535836	Diff	Diff%
Number of Function Calls	152	152	0	0.0%
Incl. Wall Time (microsec)	58,975	57,762	-1,213	-2.1%
Incl. Wall Time (microsec) per call	388	380	-8	-2.1%
Excl. Wall Time (microsec)	2,358	2,335	-23	-1.0%
Incl. CPU (microsecs)	22,529	22,605	76	0.3%
Incl. CPU (microsecs) per call	148	149	1	0.3%
Excl. CPU (microsec)	2,008	1,947	-61	-3.0%
Incl. MemUse (bytes)	1,039,432	1,039,440	8	0.0%
Incl. MemUse (bytes) per call	6,838	6,838	0	0.0%
Excl. MemUse (bytes)	-119,576	-119,560	16	0.0%
Incl. PeakMemUse (bytes)	374,080	374,064	-16	-0.0%
Incl. PeakMemUse (bytes) per call	2,461	2,461	-0	-0.0%
Excl. PeakMemUse (bytes)	22,672	22,672	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%	-1,213	-3.6%	76	0.2%	8	0.0%	-16	-0.0%
Exclusive Metrics Diff for Current Function			-23	-1.9%	-61	-80.3%	16	200.0%	0	0.0%
*Parent functions*
Drupal\Core\Database\Query\Select::execute	0	N/A%	-454	-37.4%	-18	-23.7%	0	0.0%	0	0.0%
Drupal\Core\Database\Query\Update::execute	0	N/A%	-301	-24.8%	-38	-50.0%	0	0.0%	0	0.0%
db_query	0	N/A%	-151	-12.4%	15	19.7%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	-136	-11.2%	-5	-6.6%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-126	-10.4%	-40	-52.6%	-24	-300.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	-105	-8.7%	-35	-46.1%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	104	8.6%	166	218.4%	32	400.0%	-16	-100.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-30	-2.5%	30	39.5%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	N/A%	-17	-1.4%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	3	0.2%	1	1.3%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-1,203	-99.2%	99	130.3%	8	100.0%	-24	-150.0%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	21	1.7%	13	17.1%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-4	-0.3%	10	13.2%	0	0.0%	8	50.0%
PDOStatement::rowCount	0	N/A%	-2	-0.2%	-3	-3.9%	0	0.0%	0	0.0%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-2	-0.2%	18	23.7%	-16	-200.0%	0	0.0%