You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-07 - 14:44
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 rackdslot2.osadl.org (updated Wed Jan 07, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297542232167,22sleep10-21swapper/119:07:041
299792227199,19sleep30-21swapper/319:09:593
296372203169,22sleep20-21swapper/219:05:392
297682202169,22sleep00-21swapper/019:07:140
3060521520,6sleep13027399cyclictest23:40:151
30275996529,5cyclictest41-21ksoftirqd/321:35:193
30275996338,3cyclictest41-21ksoftirqd/321:20:283
30275996335,13cyclictest41-21ksoftirqd/319:20:273
30275996332,3cyclictest41-21ksoftirqd/321:40:173
30275996231,4cyclictest41-21ksoftirqd/322:25:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional