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2025-11-28 - 03:37
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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 rack5slot2.osadl.org (updated Fri Nov 28, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246912193176,12sleep00-21swapper/019:06:540
224752191174,12sleep30-21swapper/319:05:013
248212189172,12sleep10-21swapper/119:08:321
227092172153,14sleep20-21swapper/219:05:052
62992440,0sleep00-21swapper/000:00:270
69052420,0sleep30-21swapper/322:23:463
258062420,0sleep10-21swapper/123:54:521
241352400,0sleep00-21swapper/000:10:120
158602120,0sleep30-21swapper/322:44:323
2513799111,1cyclictest4396-21sort22:55:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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