XHProf: Hierarchical Profiler Report

Diff Report: Run #51aaed996e9e3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for drupal_alter

drupal_alter	Run #51aaed996e9e3	Run #51aaed0fcbd4e	Diff	Diff%
Number of Function Calls	67	67	0	0.0%
Incl. Wall Time (microsec)	4,662	4,725	63	1.4%
Incl. Wall Time (microsec) per call	70	71	1	1.4%
Excl. Wall Time (microsec)	510	499	-11	-2.2%
Incl. CPU (microsecs)	4,507	4,525	18	0.4%
Incl. CPU (microsecs) per call	67	68	0	0.4%
Excl. CPU (microsec)	406	391	-15	-3.7%
Incl. MemUse (bytes)	190,816	190,816	0	0.0%
Incl. MemUse (bytes) per call	2,848	2,848	0	0.0%
Excl. MemUse (bytes)	11,744	11,744	0	0.0%
Incl. PeakMemUse (bytes)	150,280	150,408	128	0.1%
Incl. PeakMemUse (bytes) per call	2,243	2,245	2	0.1%
Excl. PeakMemUse (bytes)	3,440	3,440	0	0.0%

Parent/Child Regression/Improvement report for drupal_alter [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*
drupal_alter	0	N/A%	63	8.5%	18	4.0%	0	0.0%	128	0.2%
Exclusive Metrics Diff for Current Function			-11	-17.5%	-15	-83.3%	0	N/A%	0	0.0%
*Parent functions*
drupal_prepare_form	0	N/A%	80	127.0%	47	261.1%	0	N/A%	0	0.0%
menu_get_active_breadcrumb	0	N/A%	-12	-19.0%	-12	-66.7%	0	N/A%	0	0.0%
Drupal\block\BlockBase::build	0	N/A%	8	12.7%	9	50.0%	0	N/A%	0	0.0%
menu_get_item	0	N/A%	-6	-9.5%	-7	-38.9%	0	N/A%	0	0.0%
url	0	N/A%	-6	-9.5%	-6	-33.3%	0	N/A%	104	81.2%
file_get_stream_wrappers	0	N/A%	5	7.9%	5	27.8%	0	N/A%	0	0.0%
file_create_url	0	N/A%	3	4.8%	-6	-33.3%	0	N/A%	0	0.0%
element_info	0	N/A%	-3	-4.8%	-4	-22.2%	0	N/A%	0	0.0%
drupal_get_library	0	N/A%	-2	-3.2%	-4	-22.2%	0	N/A%	0	0.0%
drupal_render_page	0	N/A%	-2	-3.2%	-2	-11.1%	0	N/A%	0	0.0%
path_get_admin_paths	0	N/A%	2	3.2%	1	5.6%	0	N/A%	0	0.0%
Drupal\Core\Database\Query\Select::preExecute	0	N/A%	-2	-3.2%	-1	-5.6%	0	N/A%	0	0.0%
drupal_get_html_head	0	N/A%	-1	-1.6%	-2	-11.1%	0	N/A%	0	0.0%
Drupal\Core\EventSubscriber\MaintenanceModeSubscriber::onKernelRequestMaintenanceModeCheck	0	N/A%	-1	-1.6%	0	0.0%	0	N/A%	0	0.0%
drupal_get_css	0	N/A%	0	0.0%	2	11.1%	0	N/A%	0	0.0%
_template_preprocess_default_variables	0	N/A%	0	0.0%	-1	-5.6%	0	N/A%	24	18.8%
drupal_get_js	0	N/A%	0	0.0%	-1	-5.6%	0	N/A%	0	0.0%
_menu_link_translate	0	N/A%	0	0.0%	0	0.0%	0	N/A%	0	0.0%
*Child functions*
Drupal\Core\Extension\ModuleHandler::alter	0	N/A%	60	95.2%	12	66.7%	0	N/A%	24	18.8%
Symfony\Component\DependencyInjection\Container::get	0	N/A%	9	14.3%	21	116.7%	0	N/A%	104	81.2%
drupal_container	0	N/A%	5	7.9%	0	0.0%	0	N/A%	0	0.0%