Diff Report
Run #517d73f55c548: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7319aefb8: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #517d73f55c548Run #517d7319aefb8DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,204 1,424 220 18.3%
Incl. Wall Time (microsec) per call 134 158 24 18.3%
Excl. Wall Time (microsec)42 46 4 9.5%
Incl. CPU (microsecs)812 848 36 4.4%
Incl. CPU (microsecs) per call 90 94 4 4.4%
Excl. CPU (microsec)60 60 0 0.0%
Incl. MemUse (bytes)178,160 178,160 0 0.0%
Incl. MemUse (bytes) per call 19,796 19,796 0 0.0%
Excl. MemUse (bytes)4,136 4,136 0 0.0%
Incl. PeakMemUse (bytes)176,952 177,000 48 0.0%
Incl. PeakMemUse (bytes) per call 19,661 19,667 5 0.0%
Excl. PeakMemUse (bytes)2,976 3,024 48 1.6%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Database::getConnection [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\Database\Database::getConnection0 N/A% 220 2.6% 36 0.4% 0 0.0% 48 0.3%
Exclusive Metrics Diff for Current Function4 1.8% 0 0.0% 0 N/A% 48 100.0%
Parent functions
call_user_func0 N/A% 215 97.7% 36 100.0% 0 N/A% 0 0.0%
db_query0 N/A% 4 1.8% 1 2.8% 0 N/A% 0 0.0%
db_select0 N/A% 1 0.5% -1 -2.8% 0 N/A% 48 100.0%
db_query_range0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% 216 98.2% 36 100.0% 0 N/A% 0 0.0%