XHProf: Hierarchical Profiler Report

Diff Report: Run #52c96bbf45f87: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96b69a1c07: 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 #52c96bbf45f87	Run #52c96b69a1c07	Diff	Diff%
Number of Function Calls	74	74	0	0.0%
Incl. Wall Time (microsec)	14,909	15,050	141	0.9%
Incl. Wall Time (microsec) per call	201	203	2	0.9%
Excl. Wall Time (microsec)	960	986	26	2.7%
Incl. CPU (microsecs)	7,210	7,370	160	2.2%
Incl. CPU (microsecs) per call	97	100	2	2.2%
Excl. CPU (microsec)	781	807	26	3.3%
Incl. MemUse (bytes)	751,920	752,024	104	0.0%
Incl. MemUse (bytes) per call	10,161	10,162	1	0.0%
Excl. MemUse (bytes)	49,200	49,192	-8	-0.0%
Incl. PeakMemUse (bytes)	491,872	495,672	3,800	0.8%
Incl. PeakMemUse (bytes) per call	6,647	6,698	51	0.8%
Excl. PeakMemUse (bytes)	114,240	114,296	56	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%	141	25.1%	160	29.0%	104	0.2%	3,800	7.6%
Exclusive Metrics Diff for Current Function			26	18.4%	26	16.2%	-8	-7.7%	56	1.5%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	80	56.7%	60	37.5%	0	0.0%	664	17.5%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	49	34.8%	39	24.4%	0	0.0%	-88	-2.3%
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	20	14.2%	53	33.1%	104	100.0%	2,360	62.1%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	-7	-5.0%	2	1.2%	0	0.0%	928	24.4%
Drupal\Core\Database\Query\Select::execute	0	N/A%	-2	-1.4%	2	1.2%	0	0.0%	0	0.0%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	1	0.7%	5	3.1%	0	0.0%	0	0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	0	0.0%	-1	-0.6%	0	0.0%	-64	-1.7%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Database\Connection::expandArguments	0	N/A%	62	44.0%	56	35.0%	0	0.0%	1,024	26.9%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	50	35.5%	51	31.9%	0	0.0%	40	1.1%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	10	7.1%	20	12.5%	8	7.7%	-120	-3.2%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	-6	-4.3%	-5	-3.1%	0	0.0%	0	0.0%
print_r	0	N/A%	-5	-3.5%	-6	-3.8%	0	0.0%	0	0.0%
Drupal\Core\Database\Statement::execute	0	N/A%	3	2.1%	15	9.4%	104	100.0%	2,800	73.7%
Exception::__construct	0	N/A%	1	0.7%	1	0.6%	0	0.0%	0	0.0%
Exception::getMessage	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Exception::getCode	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
substr	0	N/A%	0	0.0%	2	1.2%	0	0.0%	0	0.0%