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2026-06-22 - 22:45
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack0slot0.osadl.org (updated Mon Jun 22, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3164221210,4sleep3865499cyclictest11:53:163
1144121180,0sleep30-21swapper/311:09:253
1144121180,0sleep30-21swapper/311:09:243
2343121080,0sleep5581rcuc/512:19:395
2545921050,0sleep10-21swapper/110:03:041
70221040,0sleep50-21swapper/510:40:265
559821040,0sleep50-21swapper/511:31:155
218592950,1sleep70-21swapper/709:44:267
45942780,0sleep70-21swapper/709:37:217
132032780,0sleep00-21swapper/012:13:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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