Diff Report
Run #519b1ad213669: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b1557bbc04: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for dblog_watchdog

dblog_watchdogRun #519b1ad213669Run #519b1557bbc04DiffDiff%
Number of Function Calls2 -2 -100.0%
Incl. Wall Time (microsec)4,134 -4,134 -100.0%
Incl. Wall Time (microsec) per call 2,067 N/A -2,067 -100.0%
Excl. Wall Time (microsec)113 -113 -100.0%
Incl. CPU (microsecs)2,445 -2,445 -100.0%
Incl. CPU (microsecs) per call 1,223 N/A -1,223 -100.0%
Excl. CPU (microsec)95 -95 -100.0%
Incl. MemUse (bytes)137,104 -137,104 -100.0%
Incl. MemUse (bytes) per call 68,552 N/A -68,552 -100.0%
Excl. MemUse (bytes)-5,808 5,808 100.0%
Incl. PeakMemUse (bytes)145,224 -145,224 -100.0%
Incl. PeakMemUse (bytes) per call 72,612 N/A -72,612 -100.0%
Excl. PeakMemUse (bytes)1,712 -1,712 -100.0%

Parent/Child Regression/Improvement report for dblog_watchdog [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
dblog_watchdog-2 -11.1% -4,134 -34.3% -2,445 -16.2% -137,104 -53.5% -145,224 -64.8%
Exclusive Metrics Diff for Current Function-113 -2.7% -95 -3.9% 5,808 4.2% -1,712 -1.2%
Parent function
watchdog-2 -100.0% -4,134 -100.0% -2,445 -100.0% -137,104 -100.0% -145,224 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute-2 -12.5% -2,393 -57.9% -704 -28.8% -8,800 -6.4% -23,952 -16.5%
Drupal\Core\Database\Connection::insert-2 -12.5% -1,512 -36.6% -1,514 -61.9% -118,416 -86.4% -113,208 -78.0%
Drupal\Core\Database\Query\Insert::fields-2 -12.5% -72 -1.7% -75 -3.1% -11,960 -8.7% -5,832 -4.0%
serialize-2 -12.5% -19 -0.5% -24 -1.0% -1,888 -1.4% 0 0.0%
Drupal\Core\Database\Database::getConnection-2 -12.5% -17 -0.4% -19 -0.8% -800 -0.6% -520 -0.4%
substr-6 -37.5% -8 -0.2% -14 -0.6% -1,048 -0.8% 0 0.0%