XHProf: Hierarchical Profiler Report

Diff Report: Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee657ba49e: 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 #531ee5f3237b0	Run #531ee657ba49e	Diff	Diff%
Number of Function Calls	173	174	1	0.6%
Incl. Wall Time (microsec)	34,617	35,121	504	1.5%
Incl. Wall Time (microsec) per call	200	202	2	0.9%
Excl. Wall Time (microsec)	2,008	1,939	-69	-3.4%
Incl. CPU (microsecs)	16,277	16,270	-7	-0.0%
Incl. CPU (microsecs) per call	94	94	-1	-0.6%
Excl. CPU (microsec)	1,566	1,551	-15	-1.0%
Incl. MemUse (bytes)	1,167,480	1,173,584	6,104	0.5%
Incl. MemUse (bytes) per call	6,748	6,745	-4	-0.1%
Excl. MemUse (bytes)	-148,016	-148,848	-832	-0.6%
Incl. PeakMemUse (bytes)	559,064	557,912	-1,152	-0.2%
Incl. PeakMemUse (bytes) per call	3,232	3,206	-25	-0.8%
Excl. PeakMemUse (bytes)	34,640	34,488	-152	-0.4%

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	1	20.0%	504	20.0%	-7	-0.2%	6,104	8.0%	-1,152	-1.5%
Exclusive Metrics Diff for Current Function			-69	-13.7%	-15	-214.3%	-832	-13.6%	-152	-13.2%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	1	100.0%	469	93.1%	144	2057.1%	6,152	100.8%	-528	-45.8%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	0.0%	43	8.5%	-2	-28.6%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	0.0%	-32	-6.3%	-26	-371.4%	-24	-0.4%	-56	-4.9%
Drupal\Core\Database\Query\Select::execute	0	0.0%	32	6.3%	-69	-985.7%	0	0.0%	48	4.2%
Drupal\Core\Path\Path::lookupPathSource	0	0.0%	-31	-6.2%	-20	-285.7%	0	0.0%	-600	-52.1%
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::getAll	0	0.0%	24	4.8%	3	42.9%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getAll	0	0.0%	-24	-4.8%	-19	-271.4%	0	0.0%	120	10.4%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	0.0%	17	3.4%	-12	-171.4%	0	0.0%	336	29.2%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	0.0%	14	2.8%	1	14.3%	-24	-0.4%	-472	-41.0%
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::getMultiple	0	0.0%	-11	-2.2%	-7	-100.0%	0	0.0%	0	0.0%
Drupal\node\NodeGrantDatabaseStorage::count	0	0.0%	3	0.6%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Statement::execute	1	25.0%	599	118.8%	82	1171.4%	5,152	84.4%	-928	-80.6%
Drupal\Core\Database\Connection::prepareQuery	1	25.0%	-61	-12.1%	-81	-1157.1%	952	15.6%	-160	-13.9%
Drupal\Core\Database\Connection::expandArguments	1	25.0%	54	10.7%	40	571.4%	0	0.0%	40	3.5%
Drupal\Core\Database\Connection::defaultOptions	1	25.0%	-19	-3.8%	-33	-471.4%	832	13.6%	48	4.2%