XHProf: Hierarchical Profiler Report

Diff Report: Run #541de429e5ab1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #541de5cbd937a: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Drupal\Component\Plugin\PluginBase::getDerivativeId	Run #541de429e5ab1	Run #541de5cbd937a	Diff	Diff%
Number of Function Calls	13	13	0	0.0%
Incl. Wall Time (microsec)	148	146	-2	-1.4%
Incl. Wall Time (microsec) per call	11	11	-0	-1.4%
Excl. Wall Time (microsec)	110	109	-1	-0.9%
Incl. CPU (microsecs)	159	160	1	0.6%
Incl. CPU (microsecs) per call	12	12	0	0.6%
Excl. CPU (microsec)	84	75	-9	-10.7%
Incl. MemUse (bytes)	8,816	8,816	0	0.0%
Incl. MemUse (bytes) per call	678	678	0	0.0%
Excl. MemUse (bytes)	1,256	1,256	0	0.0%
Incl. PeakMemUse (bytes)	6,648	6,736	88	1.3%
Incl. PeakMemUse (bytes) per call	511	518	7	1.3%
Excl. PeakMemUse (bytes)	3,656	3,656	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%	-2	-0.0%	1	0.0%	0	0.0%	88	0.1%
Exclusive Metrics Diff for Current Function			-1	-50.0%	-9	-900.0%	0	N/A%	0	0.0%
*Parent functions*
Drupal\block\BlockViewBuilder::viewMultiple	0	N/A%	-2	-100.0%	0	0.0%	0	N/A%	88	100.0%
Drupal\system\Plugin\Block\SystemMenuBlock::getCacheTags	0	N/A%	1	50.0%	-1	-100.0%	0	N/A%	0	0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::build	0	N/A%	-1	-50.0%	-1	-100.0%	0	N/A%	0	0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::getCacheKeys	0	N/A%	0	0.0%	3	300.0%	0	N/A%	0	0.0%
menu_ui_block_view_system_menu_block_alter	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
*Child functions*
Drupal\Component\Plugin\PluginBase::getPluginId	0	N/A%	-1	-50.0%	6	600.0%	0	N/A%	88	100.0%
explode	0	N/A%	0	0.0%	-5	-500.0%	0	N/A%	0	0.0%
strpos	0	N/A%	0	0.0%	9	900.0%	0	N/A%	0	0.0%