Diff Report
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\dblog\Logger\DbLog::log

Drupal\dblog\Logger\DbLog::logRun #53923d861ff11Run #53923e49d2b58DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)4,194 3,746 -448 -10.7%
Incl. Wall Time (microsec) per call 1,398 1,249 -149 -10.7%
Excl. Wall Time (microsec)133 118 -15 -11.3%
Incl. CPU (microsecs)1,506 1,353 -153 -10.2%
Incl. CPU (microsecs) per call 502 451 -51 -10.2%
Excl. CPU (microsec)110 93 -17 -15.5%
Incl. MemUse (bytes)36,004 36,004 0 0.0%
Incl. MemUse (bytes) per call 12,001 12,001 0 0.0%
Excl. MemUse (bytes)-3,416 -3,416 0 0.0%
Incl. PeakMemUse (bytes)41,504 41,664 160 0.4%
Incl. PeakMemUse (bytes) per call 13,835 13,888 53 0.4%
Excl. PeakMemUse (bytes)1,308 1,308 0 0.0%

Parent/Child Regression/Improvement report for Drupal\dblog\Logger\DbLog::log [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\dblog\Logger\DbLog::log0 N/A% -448 -28.6% -153 -14.0% 0 0.0% 160 23.0%
Exclusive Metrics Diff for Current Function-15 -3.3% -17 -11.1% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Logger\LoggerChannel::log0 N/A% -448 -100.0% -153 -100.0% 0 N/A% 160 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -465 -103.8% -170 -111.1% 0 N/A% 160 100.0%
Drupal\Core\Database\Connection::insert0 N/A% 24 5.4% 21 13.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Insert::fields0 N/A% 4 0.9% 5 3.3% 0 N/A% 0 0.0%
Drupal\Core\Logger\LogMessageParser::parseMessagePlaceholders0 N/A% 4 0.9% 4 2.6% 0 N/A% 0 0.0%
substr0 N/A% 0 0.0% 1 0.7% 0 N/A% 0 0.0%
serialize0 N/A% 0 0.0% 3 2.0% 0 N/A% 0 0.0%