Diff Report
Run #519ac1a144fa6: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #519ac1a144fa6Run #519abf80bb905DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)143 156 13 9.1%
Incl. Wall Time (microsec) per call 143 156 13 9.1%
Excl. Wall Time (microsec)27 28 1 3.7%
Incl. CPU (microsecs)145 162 17 11.7%
Incl. CPU (microsecs) per call 145 162 17 11.7%
Excl. CPU (microsec)22 24 2 9.1%
Incl. MemUse (bytes)13,888 13,888 0 0.0%
Incl. MemUse (bytes) per call 13,888 13,888 0 0.0%
Excl. MemUse (bytes)2,272 2,272 0 0.0%
Incl. PeakMemUse (bytes)0 5,352 5,352 N/A%
Incl. PeakMemUse (bytes) per call 0 5,352 5,352 N/A%
Excl. PeakMemUse (bytes)0 264 264 N/A%

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% 13 1.6% 17 1.1% 0 0.0% 5,352 0.3%
Exclusive Metrics Diff for Current Function1 7.7% 2 11.8% 0 N/A% 264 4.9%
Parent functions
call_user_func_array@11 N/A% 156 1200.0% 162 952.9% 13,888 N/A% 5,352 100.0%
call_user_func_array-1 N/A% -143 -1100.0% -145 -852.9% -13,888 N/A% 0 0.0%
Child functions
drupal_static0 N/A% 6 46.2% 7 41.2% 0 N/A% 1,768 33.0%
drupal_send_headers0 N/A% 5 38.5% 6 35.3% 0 N/A% 2,872 53.7%
strtolower0 N/A% 1 7.7% 0 0.0% 0 N/A% 0 0.0%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 2 11.8% 0 N/A% 448 8.4%