XHProf: Hierarchical Profiler Report

Diff Report: Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49b28a90e1: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::query	Run #52e49acfb0eb8	Run #52e49b28a90e1	Diff	Diff%
Number of Function Calls	94	94	0	0.0%
Incl. Wall Time (microsec)	22,362	22,367	5	0.0%
Incl. Wall Time (microsec) per call	238	238	0	0.0%
Excl. Wall Time (microsec)	1,402	1,447	45	3.2%
Incl. CPU (microsecs)	11,021	11,129	108	1.0%
Incl. CPU (microsecs) per call	117	118	1	1.0%
Excl. CPU (microsec)	1,159	1,193	34	2.9%
Incl. MemUse (bytes)	959,192	959,192	0	0.0%
Incl. MemUse (bytes) per call	10,204	10,204	0	0.0%
Excl. MemUse (bytes)	83,768	83,768	0	0.0%
Incl. PeakMemUse (bytes)	589,296	589,296	0	0.0%
Incl. PeakMemUse (bytes) per call	6,269	6,269	0	0.0%
Excl. PeakMemUse (bytes)	126,968	126,968	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%	5	1.7%	108	25.4%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			45	900.0%	34	31.5%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::getMultiple	0	N/A%	36	720.0%	115	106.5%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	6	120.0%	15	13.9%	0	N/A%	0	N/A%
Drupal\Core\Database\Query\Select::execute	0	N/A%	-25	-500.0%	-11	-10.2%	0	N/A%	0	N/A%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple	0	N/A%	10	200.0%	10	9.3%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Connection::queryRange	0	N/A%	-18	-360.0%	-10	-9.3%	0	N/A%	0	N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByNames	0	N/A%	-14	-280.0%	-8	-7.4%	0	N/A%	0	N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByPath	0	N/A%	12	240.0%	-4	-3.7%	0	N/A%	0	N/A%
Drupal\Core\Path\AliasManager::lookupPathSource	0	N/A%	-2	-40.0%	1	0.9%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Statement::execute	0	N/A%	-56	-1120.0%	51	47.2%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::prepareQuery	0	N/A%	38	760.0%	43	39.8%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::expandArguments	0	N/A%	-27	-540.0%	-30	-27.8%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::defaultOptions	0	N/A%	4	80.0%	10	9.3%	0	N/A%	0	N/A%
substr	0	N/A%	0	0.0%	-2	-1.9%	0	N/A%	0	N/A%
Exception::__construct	0	N/A%	0	0.0%	1	0.9%	0	N/A%	0	N/A%
Exception::getMessage	0	N/A%	0	0.0%	1	0.9%	0	N/A%	0	N/A%
Exception::getCode	0	N/A%	0	0.0%	-1	-0.9%	0	N/A%	0	N/A%
print_r	0	N/A%	0	0.0%	1	0.9%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	1	20.0%	0	0.0%	0	N/A%	0	N/A%