XHProf: Hierarchical Profiler Report

Diff Report: Run #53195a48b6f09: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195bb0cc668: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Extension\ExtensionDiscovery::scanDirectory

Drupal\Core\Extension\ExtensionDiscovery::scanDirectory	Run #53195a48b6f09	Run #53195bb0cc668	Diff	Diff%
Number of Function Calls	4	4	0	0.0%
Incl. Wall Time (microsec)	42,407	43,012	605	1.4%
Incl. Wall Time (microsec) per call	10,602	10,753	151	1.4%
Excl. Wall Time (microsec)	5,091	5,112	21	0.4%
Incl. CPU (microsecs)	42,409	43,016	607	1.4%
Incl. CPU (microsecs) per call	10,602	10,754	152	1.4%
Excl. CPU (microsec)	3,389	3,418	29	0.9%
Incl. MemUse (bytes)	335,040	334,992	-48	-0.0%
Incl. MemUse (bytes) per call	83,760	83,748	-12	-0.0%
Excl. MemUse (bytes)	-871,904	-871,928	-24	-0.0%
Incl. PeakMemUse (bytes)	332,616	332,040	-576	-0.2%
Incl. PeakMemUse (bytes) per call	83,154	83,010	-144	-0.2%
Excl. PeakMemUse (bytes)	13,648	13,448	-200	-1.5%

Parent/Child Regression/Improvement report for Drupal\Core\Extension\ExtensionDiscovery::scanDirectory [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\Extension\ExtensionDiscovery::scanDirectory	0	N/A%	605	17.6%	607	17.4%	-48	-0.0%	-576	-0.2%
Exclusive Metrics Diff for Current Function			21	3.5%	29	4.8%	-24	-50.0%	-200	-34.7%
*Parent function*
Drupal\Core\Extension\ExtensionDiscovery::scan	0	N/A%	605	100.0%	607	100.0%	-48	-100.0%	-576	-100.0%
*Child functions*
FilterIterator::rewind	0	N/A%	277	45.8%	258	42.5%	0	0.0%	64	11.1%
FilterIterator::next	0	N/A%	275	45.5%	284	46.8%	0	0.0%	48	8.3%
SplFileInfo::openFile	0	N/A%	76	12.6%	72	11.9%	0	0.0%	-40	-6.9%
Drupal\Core\Extension\Discovery\RecursiveExtensionFilterIterator::getChildren	0	N/A%	-62	-10.2%	-60	-9.9%	-24	-50.0%	-384	-66.7%
Drupal\Core\Extension\Extension::setSplFileInfo	0	N/A%	22	3.6%	15	2.5%	0	0.0%	0	0.0%
Drupal\Core\Extension\Extension::__construct	0	N/A%	-10	-1.7%	-9	-1.5%	0	0.0%	0	0.0%
FilterIterator::key	0	N/A%	-6	-1.0%	-9	-1.5%	0	0.0%	0	0.0%
preg_match	0	N/A%	-5	-0.8%	8	1.3%	0	0.0%	0	0.0%
SplFileObject::fgets	0	N/A%	-4	-0.7%	-2	-0.3%	0	0.0%	0	0.0%
FilterIterator::valid	0	N/A%	4	0.7%	17	2.8%	0	0.0%	0	0.0%
spl_autoload_call	0	N/A%	4	0.7%	5	0.8%	0	0.0%	0	0.0%
RecursiveFilterIterator::hasChildren	0	N/A%	4	0.7%	42	6.9%	0	0.0%	-64	-11.1%
Drupal\Core\Extension\Discovery\RecursiveExtensionFilterIterator::acceptTests	0	N/A%	4	0.7%	0	0.0%	0	0.0%	0	0.0%
SplFileObject::eof	0	N/A%	3	0.5%	-7	-1.2%	0	0.0%	0	0.0%
RecursiveDirectoryIterator::__construct	0	N/A%	2	0.3%	5	0.8%	0	0.0%	0	0.0%
FilterIterator::current	0	N/A%	1	0.2%	-16	-2.6%	0	0.0%	0	0.0%
is_dir	0	N/A%	-1	-0.2%	-5	-0.8%	0	0.0%	0	0.0%
DirectoryIterator::getFilename	0	N/A%	0	0.0%	-1	-0.2%	0	0.0%	0	0.0%
RecursiveFilterIterator::__construct	0	N/A%	0	0.0%	2	0.3%	0	0.0%	0	0.0%
RecursiveIteratorIterator::__construct	0	N/A%	0	0.0%	3	0.5%	0	0.0%	0	0.0%
DirectoryIterator::getBasename	0	N/A%	0	0.0%	-25	-4.1%	0	0.0%	0	0.0%
RecursiveDirectoryIterator::getSubPathname	0	N/A%	0	0.0%	1	0.2%	0	0.0%	0	0.0%