Diff Report
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #521962a927d49: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

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

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #5219624c55207Run #521962a927d49DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,744 1,998 254 14.6%
Incl. Wall Time (microsec) per call 1,744 1,998 254 14.6%
Excl. Wall Time (microsec)40 45 5 12.5%
Incl. CPU (microsecs)461 530 69 15.0%
Incl. CPU (microsecs) per call 461 530 69 15.0%
Excl. CPU (microsec)39 38 -1 -2.6%
Incl. MemUse (bytes)67,128 67,120 -8 -0.0%
Incl. MemUse (bytes) per call 67,128 67,120 -8 -0.0%
Excl. MemUse (bytes)1,624 1,624 0 0.0%
Incl. PeakMemUse (bytes)51,992 51,760 -232 -0.4%
Incl. PeakMemUse (bytes) per call 51,992 51,760 -232 -0.4%
Excl. PeakMemUse (bytes)1,560 1,560 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% 254 54.6% 69 7.3% -8 -0.0% -232 -0.8%
Exclusive Metrics Diff for Current Function5 2.0% -1 -1.4% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% 254 100.0% 69 100.0% -8 -100.0% -232 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% 241 94.9% 62 89.9% 0 0.0% 0 0.0%
db_insert0 N/A% 5 2.0% 5 7.2% -8 -100.0% -232 -100.0%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% 3 1.2% 1 1.4% 0 0.0% 0 0.0%
microtime0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Insert::fields0 N/A% 0 0.0% 1 1.4% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 1 1.4% 0 0.0% 0 0.0%