XHProf: Hierarchical Profiler Report

Diff Report: Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bbaa8fc1d: XHProf Run (Namespace=drupal-perf-cottser)
Tip: Click a function name below to drill down.

Regression/Improvement summary for drupal_alter

drupal_alter	Run #51f5bb078e5a7	Run #51f5bbaa8fc1d	Diff	Diff%
Number of Function Calls	143	143	0	0.0%
Incl. Wall Time (microsec)	7,069	6,956	-113	-1.6%
Incl. Wall Time (microsec) per call	49	49	-1	-1.6%
Excl. Wall Time (microsec)	721	717	-4	-0.6%
Incl. CPU (microsecs)	6,928	6,899	-29	-0.4%
Incl. CPU (microsecs) per call	48	48	-0	-0.4%
Excl. CPU (microsec)	627	590	-37	-5.9%
Incl. MemUse (bytes)	145,568	139,864	-5,704	-3.9%
Incl. MemUse (bytes) per call	1,018	978	-40	-3.9%
Excl. MemUse (bytes)	8,552	8,552	0	0.0%
Incl. PeakMemUse (bytes)	126,192	121,504	-4,688	-3.7%
Incl. PeakMemUse (bytes) per call	882	850	-33	-3.7%
Excl. PeakMemUse (bytes)	4,496	4,640	144	3.2%

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%	-113	-2.5%	-29	-0.7%	-5,704	-10.3%	-4,688	-8.2%
Exclusive Metrics Diff for Current Function			-4	-3.5%	-37	-127.6%	0	0.0%	144	3.1%
*Parent functions*
drupal_render_page	0	N/A%	-83	-73.5%	-4	-13.8%	0	0.0%	-504	-10.8%
Drupal\Core\Database\Query\Select::preExecute	0	N/A%	-20	-17.7%	-15	-51.7%	-4,272	-74.9%	-4,456	-95.1%
file_create_url	0	N/A%	-16	-14.2%	-12	-41.4%	-1,088	-19.1%	80	1.7%
drupal_get_js	0	N/A%	-7	-6.2%	-5	-17.2%	-256	-4.5%	0	0.0%
_menu_link_translate	0	N/A%	6	5.3%	7	24.1%	0	0.0%	40	0.9%
drupal_prepare_form	0	N/A%	-6	-5.3%	-5	-17.2%	0	0.0%	0	0.0%
field_attach_preprocess	0	N/A%	5	4.4%	6	20.7%	0	0.0%	-32	-0.7%
file_get_stream_wrappers	0	N/A%	-4	-3.5%	-4	-13.8%	-24	-0.4%	-24	-0.5%
field_language	0	N/A%	4	3.5%	10	34.5%	0	0.0%	0	0.0%
element_info	0	N/A%	4	3.5%	3	10.3%	128	2.2%	0	0.0%
field_attach_view	0	N/A%	3	2.7%	2	6.9%	0	0.0%	0	0.0%
_template_preprocess_default_variables	0	N/A%	3	2.7%	3	10.3%	0	0.0%	1,960	41.8%
drupal_get_library	0	N/A%	-2	-1.8%	-2	-6.9%	0	0.0%	0	0.0%
drupal_get_css	0	N/A%	1	0.9%	1	3.4%	0	0.0%	-1,272	-27.1%
drupal_get_html_head	0	N/A%	-1	-0.9%	-1	-3.4%	0	0.0%	-40	-0.9%
Drupal\Core\Entity\EntityRenderController::viewMultiple	0	N/A%	-1	-0.9%	-10	-34.5%	-64	-1.1%	-440	-9.4%
Drupal\block\BlockRenderController::viewMultiple	0	N/A%	1	0.9%	-4	-13.8%	-128	-2.2%	0	0.0%
menu_get_item	0	N/A%	0	0.0%	0	0.0%	0	0.0%	0	0.0%
path_get_admin_paths	0	N/A%	0	0.0%	1	3.4%	0	0.0%	0	0.0%
*Child functions*
Drupal\Core\Extension\ModuleHandler::alter	0	N/A%	-134	-118.6%	-35	-120.7%	-5,704	-100.0%	-5,032	-107.3%
Drupal::moduleHandler	0	N/A%	25	22.1%	43	148.3%	0	0.0%	200	4.3%