Diff Report
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\SystemListing::scanDirectory@2

Drupal\Core\SystemListing::scanDirectory@2Run #519eb7a1537f7Run #519eb880e5974DiffDiff%
Number of Function Calls 8 8 N/A%
Incl. Wall Time (microsec) 1,572 1,572 N/A%
Incl. Wall Time (microsec) per call N/A 197 197 N/A%
Excl. Wall Time (microsec) 739 739 N/A%
Incl. CPU (microsecs) 1,584 1,584 N/A%
Incl. CPU (microsecs) per call N/A 198 198 N/A%
Excl. CPU (microsec) 571 571 N/A%
Incl. MemUse (bytes) 4,512 4,512 N/A%
Incl. MemUse (bytes) per call N/A 564 564 N/A%
Excl. MemUse (bytes) 988 988 N/A%
Incl. PeakMemUse (bytes) 5,068 5,068 N/A%
Incl. PeakMemUse (bytes) per call N/A 634 634 N/A%
Excl. PeakMemUse (bytes) 1,936 1,936 N/A%

Parent/Child Regression/Improvement report for Drupal\Core\SystemListing::scanDirectory@2 [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\Core\SystemListing::scanDirectory@28 4.1% 1,572 43.8% 1,584 1537.9% 4,512 1.9% 5,068 3.2%
Exclusive Metrics Diff for Current Function739 47.0% 571 36.0% 988 21.9% 1,936 38.2%
Parent function
Drupal\Core\SystemListing::scanDirectory@18 100.0% 1,572 100.0% 1,584 100.0% 4,512 100.0% 5,068 100.0%
Child functions
readdir59 31.4% 261 16.6% 328 20.7% 1,616 35.8% 600 11.8%
is_dir43 22.9% 251 16.0% 289 18.2% 580 12.9% 672 13.3%
preg_match70 37.2% 179 11.4% 234 14.8% 444 9.8% 496 9.8%
opendir8 4.3% 88 5.6% 97 6.1% 2,104 46.6% 1,112 21.9%
closedir8 4.3% 54 3.4% 65 4.1% -1,220 -27.0% 252 5.0%