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

Drupal\dblog\Logger\DbLog::logRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)3,746 4,194 448 12.0%
Incl. Wall Time (microsec) per call 1,249 1,398 149 12.0%
Excl. Wall Time (microsec)118 133 15 12.7%
Incl. CPU (microsecs)1,353 1,506 153 11.3%
Incl. CPU (microsecs) per call 451 502 51 11.3%
Excl. CPU (microsec)93 110 17 18.3%
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)41,664 41,504 -160 -0.4%
Incl. PeakMemUse (bytes) per call 13,888 13,835 -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 Function15 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%