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2025-11-26 - 02:22
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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 rack7slot8.osadl.org (updated Tue Nov 25, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9391220225,151sleep09428-21interrupts07:05:240
103449910964,27cyclictest101ktimersoftd/010:27:100
103449910261,25cyclictest101ktimersoftd/012:32:110
10344999954,29cyclictest101ktimersoftd/010:02:100
10344999826,32cyclictest1424-21nginx08:41:120
10344999528,27cyclictest1424-21nginx12:35:530
10344999526,30cyclictest1424-21nginx08:58:560
10344999455,21cyclictest0-21swapper/012:17:160
10344999352,24cyclictest101ktimersoftd/009:10:400
10344999348,29cyclictest101ktimersoftd/008:45:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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