Diff Report
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #51ec3c1813b11Run #51ec3b81ad265DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)922 1,381 459 49.8%
Incl. Wall Time (microsec) per call 92 138 46 49.8%
Excl. Wall Time (microsec)46 44 -2 -4.3%
Incl. CPU (microsecs)612 758 146 23.9%
Incl. CPU (microsecs) per call 61 76 15 23.9%
Excl. CPU (microsec)64 58 -6 -9.4%
Incl. MemUse (bytes)159,696 159,696 0 0.0%
Incl. MemUse (bytes) per call 15,970 15,970 0 0.0%
Excl. MemUse (bytes)6,568 6,568 0 0.0%
Incl. PeakMemUse (bytes)153,320 153,320 0 0.0%
Incl. PeakMemUse (bytes) per call 15,332 15,332 0 0.0%
Excl. PeakMemUse (bytes)3,032 3,032 0 0.0%

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% 459 18.7% 146 19.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -0.4% -6 -4.1% 0 N/A% 0 N/A%
Parent functions
call_user_func0 N/A% 460 100.2% 152 104.1% 0 N/A% 0 N/A%
db_query_range0 N/A% -3 -0.7% -5 -3.4% 0 N/A% 0 N/A%
db_select0 N/A% 1 0.2% 2 1.4% 0 N/A% 0 N/A%
db_delete0 N/A% 1 0.2% -1 -0.7% 0 N/A% 0 N/A%
db_insert0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
db_query0 N/A% 0 0.0% -2 -1.4% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% 461 100.4% 152 104.1% 0 N/A% 0 N/A%