Diff Report
Run #51981e3ae1e6c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #51981e3ae1e6cRun #51981beb768adDiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)2,364 2,550 186 7.9%
Incl. Wall Time (microsec) per call 158 170 12 7.9%
Excl. Wall Time (microsec)74 73 -1 -1.4%
Incl. CPU (microsecs)1,937 1,985 48 2.5%
Incl. CPU (microsecs) per call 129 132 3 2.5%
Excl. CPU (microsec)90 85 -5 -5.6%
Incl. MemUse (bytes)304,176 304,216 40 0.0%
Incl. MemUse (bytes) per call 20,278 20,281 3 0.0%
Excl. MemUse (bytes)4,976 4,976 0 0.0%
Incl. PeakMemUse (bytes)291,016 291,072 56 0.0%
Incl. PeakMemUse (bytes) per call 19,401 19,405 4 0.0%
Excl. PeakMemUse (bytes)3,080 3,080 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% 186 151.2% 48 9.0% 40 0.1% 56 0.2%
Exclusive Metrics Diff for Current Function-1 -0.5% -5 -10.4% 0 0.0% 0 0.0%
Parent functions
call_user_func0 N/A% 187 100.5% 53 110.4% 40 100.0% 56 100.0%
db_select0 N/A% -1 -0.5% -4 -8.3% 0 0.0% 0 0.0%
db_query0 N/A% -1 -0.5% -1 -2.1% 0 0.0% 0 0.0%
dblog_watchdog0 N/A% 1 0.5% 1 2.1% 0 0.0% 0 0.0%
db_query_range0 N/A% 0 0.0% -1 -2.1% 0 0.0% 0 0.0%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% 187 100.5% 53 110.4% 40 100.0% 56 100.0%