Diff Report
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)78 79 1 1.3%
Incl. Wall Time (microsec) per call 16 16 0 1.3%
Excl. Wall Time (microsec)41 43 2 4.9%
Incl. CPU (microsecs)83 83 0 0.0%
Incl. CPU (microsecs) per call 17 17 0 0.0%
Excl. CPU (microsec)33 31 -2 -6.1%
Incl. MemUse (bytes)6,640 6,656 16 0.2%
Incl. MemUse (bytes) per call 1,328 1,331 3 0.2%
Excl. MemUse (bytes)2,384 2,400 16 0.7%
Incl. PeakMemUse (bytes)3,912 3,928 16 0.4%
Incl. PeakMemUse (bytes) per call 782 786 3 0.4%
Excl. PeakMemUse (bytes)1,424 1,440 16 1.1%

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 0.1% 0 0.0% 16 0.1% 16 0.1%
Exclusive Metrics Diff for Current Function2 200.0% -2 N/A% 16 100.0% 16 100.0%
Parent function
call_user_func_array@10 N/A% 1 100.0% 0 N/A% 16 100.0% 16 100.0%
Child functions
_drupal_set_preferred_header_name0 N/A% -1 -100.0% 1 N/A% 0 0.0% 0 0.0%
strtolower0 N/A% -1 -100.0% 0 N/A% 0 0.0% 0 0.0%
drupal_static0 N/A% 1 100.0% 1 N/A% 0 0.0% 0 0.0%