Diff Report
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for drupal_send_headers

drupal_send_headersRun #517c1836bbd84Run #517c1770a3264DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)82 89 7 8.5%
Incl. Wall Time (microsec) per call 27 30 2 8.5%
Excl. Wall Time (microsec)46 49 3 6.5%
Incl. CPU (microsecs)86 91 5 5.8%
Incl. CPU (microsecs) per call 29 30 2 5.8%
Excl. CPU (microsec)35 37 2 5.7%
Incl. MemUse (bytes)7,808 7,808 0 0.0%
Incl. MemUse (bytes) per call 2,603 2,603 0 0.0%
Excl. MemUse (bytes)-64 -64 0 0.0%
Incl. PeakMemUse (bytes)5,920 6,056 136 2.3%
Incl. PeakMemUse (bytes) per call 1,973 2,019 45 2.3%
Excl. PeakMemUse (bytes)2,160 2,296 136 6.3%

Parent/Child Regression/Improvement report for drupal_send_headers [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_send_headers0 N/A% 7 0.4% 5 0.3% 0 0.0% 136 2.2%
Exclusive Metrics Diff for Current Function3 42.9% 2 40.0% 0 N/A% 136 100.0%
Parent function
drupal_add_http_header0 N/A% 7 100.0% 5 100.0% 0 N/A% 136 100.0%
Child functions
drupal_static0 N/A% 4 57.1% 5 100.0% 0 N/A% 0 0.0%
header0 N/A% 0 0.0% -1 -20.0% 0 N/A% 0 0.0%
strtolower0 N/A% 0 0.0% -1 -20.0% 0 N/A% 0 0.0%
_drupal_set_preferred_header_name0 N/A% 0 0.0% 1 20.0% 0 N/A% 0 0.0%
drupal_get_http_header0 N/A% 0 0.0% -1 -20.0% 0 N/A% 0 0.0%