Diff Report
Run #519fc9a1407b3: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc956834f6: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #519fc9a1407b3Run #519fc956834f6DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)69 71 2 2.9%
Incl. Wall Time (microsec) per call 69 71 2 2.9%
Excl. Wall Time (microsec)15 14 -1 -6.7%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)13,984 13,992 8 0.1%
Incl. MemUse (bytes) per call 13,984 13,992 8 0.1%
Excl. MemUse (bytes)2,320 2,336 16 0.7%
Incl. PeakMemUse (bytes)5,072 5,632 560 11.0%
Incl. PeakMemUse (bytes) per call 5,072 5,632 560 11.0%
Excl. PeakMemUse (bytes)664 664 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% 2 0.5% 0 0.0% 8 0.0% 560 0.4%
Exclusive Metrics Diff for Current Function-1 -50.0% 0 N/A% 16 200.0% 0 0.0%
Parent function
call_user_func_array0 N/A% 2 100.0% 0 N/A% 8 100.0% 560 100.0%
Child functions
_drupal_set_preferred_header_name0 N/A% 1 50.0% 0 N/A% -8 -100.0% 0 0.0%
drupal_static0 N/A% 1 50.0% 0 N/A% 0 0.0% 0 0.0%
drupal_send_headers0 N/A% 1 50.0% 0 N/A% 0 0.0% 560 100.0%
strtolower0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%