You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-15 - 16:21
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 20 highest latencies:
System rackeslot4.osadl.org (updated Fri May 15, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2265299993529,4cyclictest2428801-21cron09:50:001
2265299992922,1cyclictest191rcu_preempt08:10:111
226530199272,21cyclictest2489888-21apt-get10:50:102
2265299992725,1cyclictest0-21swapper/109:40:101
226530199262,21cyclictest2444291-21apt-get10:05:112
2265301992619,3cyclictest2464566-21apt-get10:25:112
226530199261,23cyclictest2266014-21grep07:10:152
226530199261,21cyclictest2583172-21apt-get12:20:132
226529999264,2cyclictest0-21swapper/110:45:121
226530499251,20cyclictest2342326-21apt-get08:25:113
226530499251,20cyclictest0-21swapper/311:00:113
226530499250,5cyclictest2474433-21idleruntime-cro10:35:003
226530199251,21cyclictest0-21swapper/210:35:172
226529999252,3cyclictest2362972-21apt-get08:45:131
226529499254,20cyclictest0-21swapper/011:55:000
2265304992420,2cyclictest2439236-21apt-get10:00:123
226530499241,20cyclictest2572561-21apt-get12:10:123
226530499241,20cyclictest2510558-21apt-get11:10:113
226530499241,20cyclictest0-21swapper/310:50:103
226530499241,20cyclictest0-21swapper/307:25:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional