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2026-05-17 - 02:07
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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 May 17, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
546521450,0sleep55417-21sshd21:43:315
468421450,3sleep61012299cyclictest21:16:396
3075821350,0sleep30-21swapper/322:46:533
334721270,0sleep60-21swapper/623:52:446
103521000,1sleep20-21swapper/223:15:372
14322900,0sleep20-21swapper/200:30:002
159642880,4sleep71012799cyclictest22:24:207
251492860,0sleep20-21swapper/222:43:152
12912860,1sleep11276-21sshd22:36:571
176252850,0sleep6671rcuc/600:29:066
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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