XHProf: Hierarchical Profiler Report

Diff Report: Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4887d3a25: XHProf Run (Namespace=drupal-perf-steveoliver)
Tip: Click a function name below to drill down.

Regression/Improvement summary for substr

substr	Run #519a4774889dd	Run #519a4887d3a25	Diff	Diff%
Number of Function Calls	956	956	0	0.0%
Incl. Wall Time (microsec)	13,071	66,996	53,925	412.6%
Incl. Wall Time (microsec) per call	14	70	56	412.6%
Excl. Wall Time (microsec)	13,071	66,996	53,925	412.6%
Incl. CPU (microsecs)	8,001	4,000	-4,001	-50.0%
Incl. CPU (microsecs) per call	8	4	-4	-50.0%
Excl. CPU (microsec)	8,001	4,000	-4,001	-50.0%
Incl. MemUse (bytes)	115,168	115,200	32	0.0%
Incl. MemUse (bytes) per call	120	121	0	0.0%
Excl. MemUse (bytes)	115,168	115,200	32	0.0%
Incl. PeakMemUse (bytes)	28,168	28,240	72	0.3%
Incl. PeakMemUse (bytes) per call	29	30	0	0.3%
Excl. PeakMemUse (bytes)	28,168	28,240	72	0.3%

Parent/Child Regression/Improvement report for substr [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*
substr	0	N/A%	53,925	0.4%	-4,001	-100.0%	32	1.9%	72	4.8%
Exclusive Metrics Diff for Current Function			53,925	100.0%	-4,001	-100.0%	32	100.0%	72	100.0%
*Parent functions*
Symfony\Component\ClassLoader\ClassLoader::findFile	0	N/A%	46,253	85.8%	-4,001	-100.0%	8	25.0%	72	100.0%
Drupal\Component\Uuid\Php::generate	0	N/A%	1,983	3.7%	0	0.0%	0	0.0%	0	0.0%
theme@2	0	N/A%	981	1.8%	0	0.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString	0	N/A%	773	1.4%	0	0.0%	0	0.0%	0	0.0%
Drupal\Component\Utility\Crypt::randomBytes	0	N/A%	746	1.4%	0	0.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders	0	N/A%	733	1.4%	0	0.0%	0	0.0%	0	0.0%
theme@3	0	N/A%	574	1.1%	0	0.0%	0	0.0%	0	0.0%
file_uri_scheme	0	N/A%	533	1.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\views\Plugin\views\query\Sql::add_field	0	N/A%	263	0.5%	0	0.0%	0	0.0%	0	0.0%
Twig_Environment::getCacheFilename	0	N/A%	204	0.4%	0	0.0%	0	0.0%	0	0.0%
theme@1	0	N/A%	113	0.2%	0	0.0%	0	0.0%	0	0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild	0	N/A%	113	0.2%	0	0.0%	0	0.0%	0	0.0%
image_style_path_token	0	N/A%	108	0.2%	0	0.0%	0	0.0%	0	0.0%
drupal_settings_initialize	0	N/A%	104	0.2%	0	0.0%	0	0.0%	0	0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo	0	N/A%	101	0.2%	0	0.0%	0	0.0%	0	0.0%
Drupal\field_sql_storage\Entity\Tables::addField	0	N/A%	63	0.1%	0	0.0%	0	0.0%	0	0.0%
edit_custom_theme	0	N/A%	62	0.1%	0	0.0%	0	0.0%	0	0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern	0	N/A%	55	0.1%	0	0.0%	0	0.0%	0	0.0%
editor_custom_theme	0	N/A%	55	0.1%	0	0.0%	0	0.0%	0	0.0%
drupal_strip_dangerous_protocols	0	N/A%	54	0.1%	0	0.0%	24	75.0%	0	0.0%
request_path	0	N/A%	54	0.1%	0	0.0%	0	0.0%	0	0.0%