XHProf: Hierarchical Profiler Report

Diff Report: Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b1f732b14: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Core\Page\DefaultHtmlPageRenderer::preparePage	Run #52d4b18f32fb6	Run #52d4b1f732b14	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	8,668	8,884	216	2.5%
Incl. Wall Time (microsec) per call	8,668	8,884	216	2.5%
Excl. Wall Time (microsec)	27	26	-1	-3.7%
Incl. CPU (microsecs)	7,912	8,080	168	2.1%
Incl. CPU (microsecs) per call	7,912	8,080	168	2.1%
Excl. CPU (microsec)	21	20	-1	-4.8%
Incl. MemUse (bytes)	336,760	336,760	0	0.0%
Incl. MemUse (bytes) per call	336,760	336,760	0	0.0%
Excl. MemUse (bytes)	2,824	2,824	0	0.0%
Incl. PeakMemUse (bytes)	326,440	326,032	-408	-0.1%
Incl. PeakMemUse (bytes) per call	326,440	326,032	-408	-0.1%
Excl. PeakMemUse (bytes)	152	152	0	0.0%

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\Page\DefaultHtmlPageRenderer::preparePage	0	N/A%	216	11.9%	168	9.1%	0	0.0%	-408	-0.5%
Exclusive Metrics Diff for Current Function			-1	-0.5%	-1	-0.6%	0	N/A%	0	0.0%
*Parent function*
Drupal\Core\Page\DefaultHtmlPageRenderer::render	0	N/A%	216	100.0%	168	100.0%	0	N/A%	-408	-100.0%
*Child functions*
drupal_get_title	0	N/A%	215	99.5%	167	99.4%	0	N/A%	-408	-100.0%
Drupal\Core\Language\LanguageManager::getLanguage	0	N/A%	1	0.5%	1	0.6%	0	N/A%	0	0.0%
Drupal\Core\Template\Attribute::offsetSet	0	N/A%	1	0.5%	1	0.6%	0	N/A%	0	0.0%
Drupal\Core\Page\HtmlPage::getHtmlAttributes	0	N/A%	0	0.0%	2	1.2%	0	N/A%	0	0.0%
Drupal\Core\Page\HtmlFragment::setTitle	0	N/A%	0	0.0%	-1	-0.6%	0	N/A%	0	0.0%
Drupal\Core\Page\HtmlFragment::hasTitle	0	N/A%	0	0.0%	-1	-0.6%	0	N/A%	0	0.0%