Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51ec517fc2424Run #51ec52a09990aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)32 38 6 18.8%
Incl. Wall Time (microsec) per call 32 38 6 18.8%
Excl. Wall Time (microsec)12 13 1 8.3%
Incl. CPU (microsecs)34 40 6 17.6%
Incl. CPU (microsecs) per call 34 40 6 17.6%
Excl. CPU (microsec)9 11 2 22.2%
Incl. MemUse (bytes)6,008 6,008 0 0.0%
Incl. MemUse (bytes) per call 6,008 6,008 0 0.0%
Excl. MemUse (bytes)2,024 2,024 0 0.0%
Incl. PeakMemUse (bytes)8,128 8,040 -88 -1.1%
Incl. PeakMemUse (bytes) per call 8,128 8,040 -88 -1.1%
Excl. PeakMemUse (bytes)1,456 1,456 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% 6 0.1% 6 0.1% 0 0.0% -88 -0.4%
Exclusive Metrics Diff for Current Function1 16.7% 2 33.3% 0 N/A% 0 0.0%
Parent function
call_user_func_array@10 N/A% 6 100.0% 6 100.0% 0 N/A% -88 -100.0%
Child functions
drupal_static0 N/A% 4 66.7% 4 66.7% 0 N/A% -88 -100.0%
_drupal_set_preferred_header_name0 N/A% 1 16.7% 0 0.0% 0 N/A% 0 0.0%
strtolower0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%