Diff Report
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,284 2,297 13 0.6%
Incl. Wall Time (microsec) per call 2,284 2,297 13 0.6%
Excl. Wall Time (microsec)38 48 10 26.3%
Incl. CPU (microsecs)471 518 47 10.0%
Incl. CPU (microsecs) per call 471 518 47 10.0%
Excl. CPU (microsec)30 40 10 33.3%
Incl. MemUse (bytes)67,864 67,856 -8 -0.0%
Incl. MemUse (bytes) per call 67,864 67,856 -8 -0.0%
Excl. MemUse (bytes)1,552 1,552 0 0.0%
Incl. PeakMemUse (bytes)48,672 48,616 -56 -0.1%
Incl. PeakMemUse (bytes) per call 48,672 48,616 -56 -0.1%
Excl. PeakMemUse (bytes)1,736 1,736 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Lock\DatabaseLockBackend::acquire [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\Lock\DatabaseLockBackend::acquire0 N/A% 13 0.8% 47 2.7% -8 -0.0% -56 -0.0%
Exclusive Metrics Diff for Current Function10 76.9% 10 21.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% 13 100.0% 47 100.0% -8 -100.0% -56 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -23 -176.9% 12 25.5% -8 -100.0% -8 -14.3%
db_insert0 N/A% 19 146.2% 20 42.6% 0 0.0% -48 -85.7%
Drupal\Core\Database\Query\Insert::fields0 N/A% 5 38.5% 6 12.8% 0 0.0% 0 0.0%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% 2 15.4% 1 2.1% 0 0.0% 0 0.0%
microtime0 N/A% -1 -7.7% -2 -4.3% 0 0.0% 0 0.0%
max0 N/A% 1 7.7% 0 0.0% 0 0.0% 0 0.0%