You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-18 - 13:06
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 rackdslot0.osadl.org (updated Thu Dec 18, 2025 00:46:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24208992523,1cyclictest9-21ksoftirqd/022:35:000
2421799240,23cyclictest19787-21perf22:50:012
2420899240,19cyclictest0-21swapper/000:30:000
2420899240,19cyclictest0-21swapper/000:29:590
2421799230,18cyclictest0-21swapper/223:35:142
2421299230,5cyclictest0-21swapper/120:55:111
2421799222,17cyclictest0-21swapper/220:55:202
2421799220,4cyclictest3986-21H222:10:212
2421799210,3cyclictest0-21swapper/221:03:282
2421799202,17cyclictest0-21swapper/220:20:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional