Diff Report
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for _drupal_session_write

_drupal_session_writeRun #517c76da9b0d3Run #517c75d3de7c7DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 5,048 5,048 N/A%
Incl. Wall Time (microsec) per call N/A 5,048 5,048 N/A%
Excl. Wall Time (microsec) 59 59 N/A%
Incl. CPU (microsecs) 1,872 1,872 N/A%
Incl. CPU (microsecs) per call N/A 1,872 1,872 N/A%
Excl. CPU (microsec) 45 45 N/A%
Incl. MemUse (bytes) 88,400 88,400 N/A%
Incl. MemUse (bytes) per call N/A 88,400 88,400 N/A%
Excl. MemUse (bytes) -3,416 -3,416 N/A%
Incl. PeakMemUse (bytes) 224,224 224,224 N/A%
Incl. PeakMemUse (bytes) per call N/A 224,224 224,224 N/A%
Excl. PeakMemUse (bytes) 3,328 3,328 N/A%

Parent/Child Regression/Improvement report for _drupal_session_write [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_session_write1 9.1% 5,048 1.9% 1,872 1.9% 88,400 36.4% 224,224 63.5%
Exclusive Metrics Diff for Current Function59 1.2% 45 2.4% -3,416 -3.9% 3,328 1.5%
Parent function
session_write_close1 100.0% 5,048 100.0% 1,872 100.0% 88,400 100.0% 224,224 100.0%
Child functions
Drupal\Core\Database\Query\Merge::execute1 10.0% 4,668 92.5% 1,494 79.8% 23,184 26.2% 177,152 79.0%
db_merge1 10.0% 250 5.0% 251 13.4% 56,632 64.1% 34,912 15.6%
Drupal\Core\Database\Query\Merge::key1 10.0% 29 0.6% 30 1.6% 4,984 5.6% 3,480 1.6%
drupal_static1 10.0% 15 0.3% 17 0.9% 1,064 1.2% 1,080 0.5%
Drupal::request1 10.0% 8 0.2% 10 0.5% 776 0.9% 608 0.3%
Symfony\Component\HttpFoundation\Request::getClientIp1 10.0% 7 0.1% 8 0.4% 816 0.9% 648 0.3%
Drupal\Core\Database\Query\Merge::fields1 10.0% 5 0.1% 6 0.3% 1,952 2.2% 1,360 0.6%
settings1 10.0% 4 0.1% 7 0.4% 776 0.9% 608 0.3%
Drupal\Component\Utility\Settings::get1 10.0% 2 0.0% 2 0.1% 800 0.9% 480 0.2%
drupal_save_session1 10.0% 1 0.0% 2 0.1% 832 0.9% 568 0.3%