XHProf: Hierarchical Profiler Report

Diff Report: Run #5198eef80c6dc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198ed6acdf41: 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 #5198eef80c6dc	Run #5198ed6acdf41	Diff	Diff%
Number of Function Calls	158	158	0	0.0%
Incl. Wall Time (microsec)	58,737	61,016	2,279	3.9%
Incl. Wall Time (microsec) per call	372	386	14	3.9%
Excl. Wall Time (microsec)	2,381	2,343	-38	-1.6%
Incl. CPU (microsecs)	22,193	22,136	-57	-0.3%
Incl. CPU (microsecs) per call	140	140	-0	-0.3%
Excl. CPU (microsec)	2,011	1,956	-55	-2.7%
Incl. MemUse (bytes)	1,097,152	1,097,056	-96	-0.0%
Incl. MemUse (bytes) per call	6,944	6,943	-1	-0.0%
Excl. MemUse (bytes)	-135,968	-136,024	-56	-0.0%
Incl. PeakMemUse (bytes)	531,936	532,616	680	0.1%
Incl. PeakMemUse (bytes) per call	3,367	3,371	4	0.1%
Excl. PeakMemUse (bytes)	24,960	24,960	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%	2,279	124.8%	-57	-1.3%	-96	-0.4%	680	2.1%
Exclusive Metrics Diff for Current Function			-38	-1.7%	-55	-96.5%	-56	-58.3%	0	0.0%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	2,435	106.8%	-90	-157.9%	-88	-91.7%	-168	-24.7%
Drupal\Core\Database\Driver\mysql\Insert::execute	0	N/A%	-519	-22.8%	-24	-42.1%	0	0.0%	0	0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	229	10.0%	74	129.8%	0	0.0%	-264	-38.8%
Drupal\Core\Database\Query\Select::execute	0	N/A%	146	6.4%	-33	-57.9%	0	0.0%	-120	-17.6%
db_query	0	N/A%	108	4.7%	27	47.4%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	-95	-4.2%	21	36.8%	-24	-25.0%	1,176	172.9%
Drupal\Core\Cache\DatabaseBackend::getMultiple@1	0	N/A%	-36	-1.6%	-35	-61.4%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	26	1.1%	4	7.0%	16	16.7%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	-17	-0.7%	-3	-5.3%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	13	0.6%	16	28.1%	0	0.0%	0	0.0%
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::getMultiple	0	N/A%	-9	-0.4%	-3	-5.3%	0	0.0%	0	0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest	0	N/A%	-2	-0.1%	-11	-19.3%	0	0.0%	56	8.2%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	2,498	109.6%	190	333.3%	-40	-41.7%	-16	-2.4%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-101	-4.4%	-85	-149.1%	0	0.0%	296	43.5%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	-73	-3.2%	-83	-145.6%	0	0.0%	400	58.8%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	-4	-0.2%	-19	-33.3%	0	0.0%	0	0.0%
PDO::lastInsertId	0	N/A%	-3	-0.1%	-5	-8.8%	0	0.0%	0	0.0%