XHProf: Hierarchical Profiler Report

Diff Report: Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\String::checkPlain

Drupal\Component\Utility\String::checkPlain	Run #539201f8938f4	Run #5392041970f3f	Diff	Diff%
Number of Function Calls	703	715	12	1.7%
Incl. Wall Time (microsec)	3,304	3,356	52	1.6%
Incl. Wall Time (microsec) per call	5	5	-0	-0.1%
Excl. Wall Time (microsec)	2,339	2,392	53	2.3%
Incl. CPU (microsecs)	4,044	4,095	51	1.3%
Incl. CPU (microsecs) per call	6	6	-0	-0.4%
Excl. CPU (microsec)	2,424	2,481	57	2.4%
Incl. MemUse (bytes)	128,404	130,444	2,040	1.6%
Incl. MemUse (bytes) per call	183	182	-0	-0.1%
Excl. MemUse (bytes)	26,884	27,220	336	1.2%
Incl. PeakMemUse (bytes)	15,412	15,968	556	3.6%
Incl. PeakMemUse (bytes) per call	22	22	0	1.9%
Excl. PeakMemUse (bytes)	9,224	9,460	236	2.6%

Parent/Child Regression/Improvement report for Drupal\Component\Utility\String::checkPlain [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\Component\Utility\String::checkPlain	12	50.0%	52	3.5%	51	1.9%	2,040	3.5%	556	0.9%
Exclusive Metrics Diff for Current Function			53	101.9%	57	111.8%	336	16.5%	236	42.4%
*Parent functions*
Drupal\Core\Template\AttributeValueBase::render	6	50.0%	33	63.5%	19	37.3%	1,008	49.4%	348	62.6%
Drupal\Core\Template\AttributeString::__toString	4	33.3%	-19	-36.5%	-7	-13.7%	696	34.1%	208	37.4%
Drupal\Core\Template\AttributeArray::__toString	2	16.7%	15	28.8%	28	54.9%	336	16.5%	0	0.0%
Drupal\Core\Utility\LinkGenerator::generateFromUrl	0	0.0%	0	0.0%	1	2.0%	-12	-0.6%	0	0.0%
template_preprocess_links	0	0.0%	0	0.0%	5	9.8%	0	0.0%	0	0.0%
template_preprocess_page	0	0.0%	0	0.0%	1	2.0%	0	0.0%	0	0.0%
theme_menu_local_task	0	0.0%	2	3.8%	2	3.9%	0	0.0%	0	0.0%
Drupal\Core\Template\AttributeBoolean::__toString	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
template_preprocess_html	0	0.0%	1	1.9%	1	2.0%	12	0.6%	0	0.0%
Drupal\Component\Utility\String::placeholder	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Component\Utility\UrlHelper::filterBadProtocol	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
drupal_add_html_head_link	0	0.0%	1	1.9%	-5	-9.8%	0	0.0%	0	0.0%
template_preprocess_field	0	0.0%	0	0.0%	-3	-5.9%	0	0.0%	0	0.0%
check_plain	0	0.0%	2	3.8%	-3	-5.9%	0	0.0%	0	0.0%
l	0	0.0%	16	30.8%	11	21.6%	0	0.0%	0	0.0%
Drupal\Core\Field\Plugin\Field\FieldFormatter\StringFormatter::viewElements	0	0.0%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Component\Utility\String::format	0	0.0%	1	1.9%	1	2.0%	0	0.0%	0	0.0%
*Child function*
htmlspecialchars	12	100.0%	-1	-1.9%	-6	-11.8%	1,704	83.5%	320	57.6%