Diff Report
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #51978d4d92dd9Run #51978cc86c728DiffDiff%
Number of Function Calls16 16 0 0.0%
Incl. Wall Time (microsec)2,547 2,476 -71 -2.8%
Incl. Wall Time (microsec) per call 159 155 -4 -2.8%
Excl. Wall Time (microsec)70 70 0 0.0%
Incl. CPU (microsecs)1,965 1,984 19 1.0%
Incl. CPU (microsecs) per call 123 124 1 1.0%
Excl. CPU (microsec)96 93 -3 -3.1%
Incl. MemUse (bytes)306,184 306,192 8 0.0%
Incl. MemUse (bytes) per call 19,137 19,137 1 0.0%
Excl. MemUse (bytes)4,976 4,976 0 0.0%
Incl. PeakMemUse (bytes)294,344 294,240 -104 -0.0%
Incl. PeakMemUse (bytes) per call 18,397 18,390 -7 -0.0%
Excl. PeakMemUse (bytes)3,128 3,128 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% -71 -28.5% 19 15.7% 8 0.0% -104 -0.4%
Exclusive Metrics Diff for Current Function0 0.0% -3 -15.8% 0 0.0% 0 0.0%
Parent functions
call_user_func0 N/A% -71 -100.0% 21 110.5% 8 100.0% -104 -100.0%
db_select0 N/A% 1 1.4% 0 0.0% 0 0.0% 0 0.0%
db_query0 N/A% -1 -1.4% -3 -15.8% 0 0.0% 0 0.0%
dblog_watchdog0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_query_range0 N/A% 0 0.0% 1 5.3% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% -71 -100.0% 22 115.8% 8 100.0% -104 -100.0%