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Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Parent/Child report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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\Cache\DatabaseBackend::prepareItem132 28.0% 47,218 7.6% 40,397 7.2% 1,893,500 13.3% 2,509,800 17.4%
Exclusive Metrics for Current Function2,561 5.4% 2,313 5.7% -472,400 -24.9% 3,312 0.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple132 100.0% 47,218 100.0% 40,397 100.0% 1,893,500 100.0% 2,509,800 100.0%
Child functions
unserialize129 39.0% 27,576 58.4% 26,041 64.5% 2,277,492 120.3% 2,357,728 93.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags132 39.9% 16,841 35.7% 11,704 29.0% 62,336 3.3% 144,720 5.8%
explode69 20.8% 197 0.4% 294 0.7% 22,532 1.2% 1,016 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass1 0.3% 43 0.1% 45 0.1% 3,540 0.2% 3,024 0.1%