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2026-05-16 - 16:38
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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
Characteristics of the 10 highest latencies:
System rack2slot0.osadl.org (updated Sat May 16, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120682980,2sleep11902599cyclictest11:38:321
58302890,0sleep05800-21sshd10:50:530
207422780,0sleep20-21swapper/210:08:012
279902740,1sleep127984-21bash11:45:211
140092560,1sleep1710-21NetworkManager11:16:291
260302550,0sleep00-21swapper/010:44:240
54422540,0sleep20-21swapper/211:37:572
73622530,0sleep30-21swapper/309:22:043
138242530,0sleep20-21swapper/209:39:532
57692520,1sleep341-21ksoftirqd/311:46:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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