Diff Report
Run #51c6814c41b47: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c6824f48b42: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

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

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #51c6814c41b47Run #51c6824f48b42DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 1,645 1,645 N/A%
Incl. Wall Time (microsec) per call N/A 1,645 1,645 N/A%
Excl. Wall Time (microsec) 54 54 N/A%
Incl. CPU (microsecs) 899 899 N/A%
Incl. CPU (microsecs) per call N/A 899 899 N/A%
Excl. CPU (microsec) 51 51 N/A%
Incl. MemUse (bytes) 66,712 66,712 N/A%
Incl. MemUse (bytes) per call N/A 66,712 66,712 N/A%
Excl. MemUse (bytes) 1,568 1,568 N/A%
Incl. PeakMemUse (bytes) 51,840 51,840 N/A%
Incl. PeakMemUse (bytes) per call N/A 51,840 51,840 N/A%
Excl. PeakMemUse (bytes) 1,560 1,560 N/A%

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::acquire1 6.2% 1,645 0.1% 899 0.1% 66,712 0.3% 51,840 0.3%
Exclusive Metrics Diff for Current Function54 3.3% 51 5.7% 1,568 2.4% 1,560 3.0%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache1 100.0% 1,645 100.0% 899 100.0% 66,712 100.0% 51,840 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute1 16.7% 1,068 64.9% 318 35.4% 13,128 19.7% 13,400 25.8%
db_insert1 16.7% 470 28.6% 472 52.5% 40,432 60.6% 29,080 56.1%
Drupal\Core\Database\Query\Insert::fields1 16.7% 29 1.8% 30 3.3% 6,752 10.1% 4,912 9.5%
Drupal\Core\Lock\LockBackendAbstract::getLockId1 16.7% 20 1.2% 21 2.3% 3,240 4.9% 2,888 5.6%
microtime1 16.7% 2 0.1% 3 0.3% 800 1.2% 0 0.0%
max1 16.7% 2 0.1% 4 0.4% 792 1.2% 0 0.0%