Run Report
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for Drupal\Core\Lock\DatabaseLockBackend::acquire [View Callgraph ]


Function NameCallsCalls%Incl. Wall Time
(microsec)
IWall%Incl. CPU
(microsecs)
ICpu%Incl.
MemUse
(bytes)
IMemUse%Incl.
PeakMemUse
(bytes)
IPeakMemUse%
Current Function
Drupal\Core\Lock\DatabaseLockBackend::acquire1 6.2% 993 0.4% 455 0.2% 67,696 0.4% 45,360 0.3%
Exclusive Metrics for Current Function37 3.7% 32 7.0% 1,568 2.3% 1,480 3.3%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache1 100.0% 993 100.0% 455 100.0% 67,696 100.0% 45,360 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute1 16.7% 736 74.1% 198 43.5% 13,128 19.4% 13,128 28.9%
db_insert1 16.7% 179 18.0% 181 39.8% 41,416 61.2% 23,832 52.5%
Drupal\Core\Database\Query\Insert::fields1 16.7% 23 2.3% 23 5.1% 6,752 10.0% 4,272 9.4%
Drupal\Core\Lock\LockBackendAbstract::getLockId1 16.7% 16 1.6% 17 3.7% 3,240 4.8% 2,648 5.8%
microtime1 16.7% 1 0.1% 2 0.4% 800 1.2% 0 0.0%
max1 16.7% 1 0.1% 2 0.4% 792 1.2% 0 0.0%