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2026-07-05 - 01:21
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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 Sun Jul 05, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2472721460,3sleep52873799cyclictest22:29:235
1955921370,0sleep60-21swapper/600:30:356
2743121350,0sleep20-21swapper/223:43:022
1632821120,4sleep62874399cyclictest00:39:086
396621090,0sleep6671rcuc/622:19:386
2177621090,0sleep10-21swapper/123:18:391
154542900,1sleep515449-21sshd23:59:475
240142860,0sleep7761rcuc/723:42:517
53982840,0sleep00-21swapper/000:36:460
292832830,0sleep10-21swapper/100:17:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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