You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-21 - 01:12
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack8slot4.osadl.org (updated Sat Jun 20, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21574642233171,19sleep30-21swapper/307:08:103
21573822228165,20sleep40-21swapper/407:06:584
21573712227166,19sleep20-21swapper/207:06:482
21572812224165,18sleep50-21swapper/507:05:315
21575002215185,20sleep10-21swapper/107:08:401
21574992210182,19sleep00-21swapper/007:08:390
21575442209177,20sleep70-21swapper/707:09:197
21573482205177,18sleep60-21swapper/607:06:286
2157814993633,2cyclictest2197507-21idleruntime-cro08:20:013
215781899343,28cyclictest211rcu_preempt09:10:014
215781499340,4cyclictest1-21systemd07:30:013
215782399330,33cyclictest2270446-21http10:30:045
215782399330,33cyclictest2270446-21http10:30:045
215781499330,3cyclictest2270055-21910:30:013
2157807993329,3cyclictest2166809-21apt-get07:25:010
215782899320,31cyclictest2178468-21http07:45:057
215782399320,31cyclictest0-21swapper/508:50:055
215781299320,4cyclictest2283945-21cron10:55:012
215780999320,31cyclictest1-21systemd12:30:011
215782799310,30cyclictest2264885-21apt-get10:20:056
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional