XHProf: Hierarchical Profiler Report

Diff Report: Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Component\Plugin\PluginBase::getDerivativeId	Run #535139ab6e707	Run #53513afe3c568	Diff	Diff%
Number of Function Calls	13	13	0	0.0%
Incl. Wall Time (microsec)	97	96	-1	-1.0%
Incl. Wall Time (microsec) per call	7	7	-0	-1.0%
Excl. Wall Time (microsec)	84	83	-1	-1.2%
Incl. CPU (microsecs)	115	108	-7	-6.1%
Incl. CPU (microsecs) per call	9	8	-1	-6.1%
Excl. CPU (microsec)	64	67	3	4.7%
Incl. MemUse (bytes)	8,840	8,816	-24	-0.3%
Incl. MemUse (bytes) per call	680	678	-2	-0.3%
Excl. MemUse (bytes)	1,280	1,256	-24	-1.9%
Incl. PeakMemUse (bytes)	608	608	0	0.0%
Incl. PeakMemUse (bytes) per call	47	47	0	0.0%
Excl. PeakMemUse (bytes)	528	528	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\Component\Plugin\PluginBase::getDerivativeId	0	N/A%	-1	-0.0%	-7	-0.1%	-24	-0.1%	0	0.0%
Exclusive Metrics Diff for Current Function			-1	-100.0%	3	42.9%	-24	-100.0%	0	N/A%
*Parent functions*
Drupal\block\BlockViewBuilder::viewMultiple	0	N/A%	-1	-100.0%	-3	-42.9%	-24	-100.0%	0	N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build	0	N/A%	-1	-100.0%	-2	-28.6%	0	0.0%	0	N/A%
menu_ui_block_view_system_menu_block_alter	0	N/A%	1	100.0%	-1	-14.3%	0	0.0%	0	N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::getCacheKeys	0	N/A%	0	0.0%	-1	-14.3%	0	0.0%	0	N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::getCacheTags	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	N/A%
*Child functions*
Drupal\Component\Plugin\PluginBase::getPluginId	0	N/A%	1	100.0%	-7	-100.0%	0	0.0%	0	N/A%
strpos	0	N/A%	-1	-100.0%	-3	-42.9%	0	0.0%	0	N/A%
explode	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	N/A%