XHProf: Hierarchical Profiler Report

Diff Report: Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Component\Plugin\PluginBase::getDerivativeId	Run #539201f8938f4	Run #5392041970f3f	Diff	Diff%
Number of Function Calls	14	14	0	0.0%
Incl. Wall Time (microsec)	186	176	-10	-5.4%
Incl. Wall Time (microsec) per call	13	13	-1	-5.4%
Excl. Wall Time (microsec)	132	131	-1	-0.8%
Incl. CPU (microsecs)	205	201	-4	-2.0%
Incl. CPU (microsecs) per call	15	14	-0	-2.0%
Excl. CPU (microsec)	110	121	11	10.0%
Incl. MemUse (bytes)	5,092	5,092	0	0.0%
Incl. MemUse (bytes) per call	364	364	0	0.0%
Excl. MemUse (bytes)	936	936	0	0.0%
Incl. PeakMemUse (bytes)	4,296	4,296	0	0.0%
Incl. PeakMemUse (bytes) per call	307	307	0	0.0%
Excl. PeakMemUse (bytes)	2,268	2,268	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%	-10	-0.7%	-4	-0.1%	0	0.0%	0	0.0%
Exclusive Metrics Diff for Current Function			-1	-10.0%	11	275.0%	0	N/A%	0	N/A%
*Parent functions*
Drupal\block\BlockViewBuilder::viewMultiple	0	N/A%	-10	-100.0%	-8	-200.0%	0	N/A%	0	N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build	0	N/A%	-2	-20.0%	-1	-25.0%	0	N/A%	0	N/A%
menu_ui_block_view_system_menu_block_alter	0	N/A%	2	20.0%	4	100.0%	0	N/A%	0	N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::getCacheKeys	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::getCacheTags	0	N/A%	0	0.0%	1	25.0%	0	N/A%	0	N/A%
*Child functions*
strpos	0	N/A%	-9	-90.0%	-10	-250.0%	0	N/A%	0	N/A%
explode	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	N/A%
Drupal\Component\Plugin\PluginBase::getPluginId	0	N/A%	0	0.0%	-5	-125.0%	0	N/A%	0	N/A%