Diff Report
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51902129e4489: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51901ff69a8a6Run #51902129e4489DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)77 78 1 1.3%
Incl. Wall Time (microsec) per call 77 78 1 1.3%
Excl. Wall Time (microsec)15 16 1 6.7%
Incl. CPU (microsecs)79 79 0 0.0%
Incl. CPU (microsecs) per call 79 79 0 0.0%
Excl. CPU (microsec)13 13 0 0.0%
Incl. MemUse (bytes)13,976 13,976 0 0.0%
Incl. MemUse (bytes) per call 13,976 13,976 0 0.0%
Excl. MemUse (bytes)2,320 2,320 0 0.0%
Incl. PeakMemUse (bytes)10,952 10,952 0 0.0%
Incl. PeakMemUse (bytes) per call 10,952 10,952 0 0.0%
Excl. PeakMemUse (bytes)1,592 1,592 0 0.0%

Parent/Child Regression/Improvement report for drupal_add_http_header [View Callgraph Diff]


Function NameCalls DiffCalls
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_add_http_header0 N/A% 1 1.9% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 100.0% 0 N/A% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% 1 100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
drupal_send_headers0 N/A% 0 0.0% 1 N/A% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 1 N/A% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
drupal_static0 N/A% 0 0.0% -2 N/A% 0 N/A% 0 N/A%