XHProf: Hierarchical Profiler Report

Diff Report: Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for drupal_alter

drupal_alter	Run #519ff7de62889	Run #519ff693b4ca2	Diff	Diff%
Number of Function Calls	80	80	0	0.0%
Incl. Wall Time (microsec)	5,145	5,053	-92	-1.8%
Incl. Wall Time (microsec) per call	64	63	-1	-1.8%
Excl. Wall Time (microsec)	799	790	-9	-1.1%
Incl. CPU (microsecs)	5,234	5,157	-77	-1.5%
Incl. CPU (microsecs) per call	65	64	-1	-1.5%
Excl. CPU (microsec)	684	651	-33	-4.8%
Incl. MemUse (bytes)	87,856	87,856	0	0.0%
Incl. MemUse (bytes) per call	1,098	1,098	0	0.0%
Excl. MemUse (bytes)	15,048	15,048	0	0.0%
Incl. PeakMemUse (bytes)	100,824	100,568	-256	-0.3%
Incl. PeakMemUse (bytes) per call	1,260	1,257	-3	-0.3%
Excl. PeakMemUse (bytes)	8,880	8,880	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%	-92	-8.1%	-77	-6.6%	0	0.0%	-256	-0.4%
Exclusive Metrics Diff for Current Function			-9	-9.8%	-33	-42.9%	0	N/A%	0	0.0%
*Parent functions*
drupal_prepare_form	0	N/A%	-62	-67.4%	-62	-80.5%	0	N/A%	0	0.0%
path_get_admin_paths	0	N/A%	-38	-41.3%	-38	-49.4%	0	N/A%	0	0.0%
url	0	N/A%	-23	-25.0%	-17	-22.1%	0	N/A%	-208	-81.2%
drupal_get_library	0	N/A%	23	25.0%	22	28.6%	0	N/A%	0	0.0%
Drupal\Core\Entity\EntityRenderController::viewMultiple	0	N/A%	14	15.2%	15	19.5%	0	N/A%	0	0.0%
Drupal\block\BlockBase::build	0	N/A%	-5	-5.4%	-6	-7.8%	0	N/A%	0	0.0%
file_create_url	0	N/A%	3	3.3%	8	10.4%	0	N/A%	0	0.0%
element_info	0	N/A%	-3	-3.3%	-4	-5.2%	0	N/A%	0	0.0%
drupal_render_page	0	N/A%	-2	-2.2%	-1	-1.3%	0	N/A%	0	0.0%
field_attach_preprocess	0	N/A%	2	2.2%	3	3.9%	0	N/A%	-48	-18.8%
drupal_get_html_head	0	N/A%	1	1.1%	1	1.3%	0	N/A%	0	0.0%
user_format_name	0	N/A%	-1	-1.1%	-1	-1.3%	0	N/A%	0	0.0%
drupal_get_js	0	N/A%	1	1.1%	2	2.6%	0	N/A%	0	0.0%
_template_preprocess_default_variables	0	N/A%	-1	-1.1%	0	0.0%	0	N/A%	0	0.0%
field_attach_view	0	N/A%	1	1.1%	-2	-2.6%	0	N/A%	0	0.0%
Drupal\Core\EventSubscriber\MaintenanceModeSubscriber::onKernelRequestMaintenanceModeCheck	0	N/A%	-1	-1.1%	0	0.0%	0	N/A%	0	0.0%
Drupal\Core\Database\Query\Select::preExecute	0	N/A%	-1	-1.1%	-2	-2.6%	0	N/A%	0	0.0%
drupal_get_css	0	N/A%	0	0.0%	-1	-1.3%	0	N/A%	0	0.0%
Drupal\Core\Entity\EntityRenderController::viewMultiple@1	0	N/A%	0	0.0%	4	5.2%	0	N/A%	0	0.0%
menu_get_item	0	N/A%	0	0.0%	-1	-1.3%	0	N/A%	0	0.0%
file_get_stream_wrappers	0	N/A%	0	0.0%	1	1.3%	0	N/A%	0	0.0%
field_language	0	N/A%	0	0.0%	2	2.6%	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%	-37	-40.2%	-32	-41.6%	0	N/A%	0	0.0%
drupal_container	0	N/A%	-29	-31.5%	-4	-5.2%	0	N/A%	-48	-18.8%
Symfony\Component\DependencyInjection\Container::get	0	N/A%	-17	-18.5%	-8	-10.4%	0	N/A%	-208	-81.2%