You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-07 - 09:04
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.

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 10 highest latencies:
System rackeslot4.osadl.org (updated Tue Apr 07, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166554199323,2cyclictest191rcu_preempt20:05:120
166554199323,2cyclictest191rcu_preempt20:05:120
166555199277,19cyclictest0-21swapper/323:15:173
1665551992724,2cyclictest0-21swapper/321:55:003
166554199272,22cyclictest1921280-21apt-get23:20:100
166554199260,24cyclictest2002333-21cron00:40:000
166554199260,24cyclictest1987934-21grep00:25:160
166555199251,22cyclictest1676338-21apt-get19:20:113
166554699251,21cyclictest1757377-21apt-get20:40:122
166554199251,3cyclictest1982383-21apt-get00:20:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional