You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-17 - 05:11
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
Characteristics of the 10 highest latencies:
System rackcslot6.osadl.org (updated Tue Mar 17, 2026 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225704725340,5sleep442-21ksoftirqd/419:05:244
225802299381380,1cyclictest2231977-21kworker/2:220:22:032
2258022993810,380cyclictest0-21swapper/220:28:022
2258022993790,0cyclictest0-21swapper/221:06:022
225802899378375,2cyclictest2270876-21kworker/3:123:45:023
225802899374373,1cyclictest2522271-21kworker/u16:200:15:023
225802899374373,1cyclictest2270876-21kworker/3:122:11:023
225802899374372,1cyclictest0-21swapper/322:55:023
225802899374372,1cyclictest0-21swapper/321:13:023
225802899373372,1cyclictest0-21swapper/322:34:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional