XHProf: Hierarchical Profiler Report

Diff Report: Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Regression/Improvement summary for drupal_alter

drupal_alter	Run #519d9cf28420e	Run #519d9d94433aa	Diff	Diff%
Number of Function Calls	258	258	0	0.0%
Incl. Wall Time (microsec)	10,063	10,068	5	0.0%
Incl. Wall Time (microsec) per call	39	39	0	0.0%
Excl. Wall Time (microsec)	2,023	2,027	4	0.2%
Incl. CPU (microsecs)	10,284	10,272	-12	-0.1%
Incl. CPU (microsecs) per call	40	40	-0	-0.1%
Excl. CPU (microsec)	1,664	1,657	-7	-0.4%
Incl. MemUse (bytes)	112,072	112,104	32	0.0%
Incl. MemUse (bytes) per call	434	435	0	0.0%
Excl. MemUse (bytes)	6,440	6,440	0	0.0%
Incl. PeakMemUse (bytes)	84,368	87,672	3,304	3.9%
Incl. PeakMemUse (bytes) per call	327	340	13	3.9%
Excl. PeakMemUse (bytes)	3,680	4,304	624	17.0%

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%	5	0.2%	-12	-1.3%	32	0.0%	3,304	4.6%
Exclusive Metrics Diff for Current Function			4	80.0%	-7	-58.3%	0	0.0%	624	18.9%
*Parent functions*
Drupal\Core\Database\Query\Select::preExecute	0	N/A%	44	880.0%	46	383.3%	8	25.0%	-8	-0.2%
drupal_render_page	0	N/A%	-18	-360.0%	-18	-150.0%	0	0.0%	0	0.0%
Drupal\Core\Entity\EntityRenderController::viewMultiple	0	N/A%	-9	-180.0%	-24	-200.0%	0	0.0%	0	0.0%
url	0	N/A%	-6	-120.0%	-6	-50.0%	0	0.0%	0	0.0%
file_create_url	0	N/A%	-5	-100.0%	7	58.3%	0	0.0%	0	0.0%
field_attach_preprocess	0	N/A%	3	60.0%	2	16.7%	0	0.0%	0	0.0%
Drupal\block\BlockBase::build	0	N/A%	-3	-60.0%	-3	-25.0%	0	0.0%	472	14.3%
drupal_prepare_form	0	N/A%	-3	-60.0%	-3	-25.0%	0	0.0%	0	0.0%
_menu_link_translate	0	N/A%	2	40.0%	2	16.7%	0	0.0%	0	0.0%
drupal_get_js	0	N/A%	2	40.0%	-1	-8.3%	0	0.0%	0	0.0%
_template_preprocess_default_variables	0	N/A%	-2	-40.0%	-3	-25.0%	0	0.0%	0	0.0%
Drupal\Core\EventSubscriber\MaintenanceModeSubscriber::onKernelRequestMaintenanceModeCheck	0	N/A%	2	40.0%	3	25.0%	0	0.0%	0	0.0%
file_get_stream_wrappers	0	N/A%	2	40.0%	2	16.7%	24	75.0%	2,840	86.0%
field_attach_view	0	N/A%	-1	-20.0%	-6	-50.0%	0	0.0%	0	0.0%
drupal_get_html_head	0	N/A%	-1	-20.0%	-1	-8.3%	0	0.0%	0	0.0%
drupal_get_library	0	N/A%	-1	-20.0%	-2	-16.7%	0	0.0%	0	0.0%
user_format_name	0	N/A%	1	20.0%	-4	-33.3%	0	0.0%	0	0.0%
path_get_admin_paths	0	N/A%	-1	-20.0%	-2	-16.7%	0	0.0%	0	0.0%
element_info	0	N/A%	-1	-20.0%	-1	-8.3%	0	0.0%	0	0.0%
drupal_get_css	0	N/A%	0	0.0%	1	8.3%	0	0.0%	0	0.0%
menu_get_item	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
Drupal\Core\Plugin\Discovery\AlterDecorator::getDefinitions	0	N/A%	0	0.0%	-1	-8.3%	0	0.0%	0	0.0%
field_language	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Extension\ModuleHandler::alter	0	N/A%	29	580.0%	22	183.3%	32	100.0%	2,680	81.1%
Symfony\Component\DependencyInjection\Container::get	0	N/A%	-17	-340.0%	-16	-133.3%	0	0.0%	0	0.0%
drupal_container	0	N/A%	-11	-220.0%	-11	-91.7%	0	0.0%	0	0.0%