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2026-06-22 - 21:18
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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 rack5slot0.osadl.org (updated Mon Jun 22, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307882960,1sleep20-21swapper/212:18:282
289902960,1sleep10-21swapper/109:39:541
2393429333,56sleep30-21swapper/307:07:113
227222900,2sleep222721-21bash12:13:552
288022880,3sleep20-21swapper/209:54:212
166382870,3sleep30-21swapper/310:07:373
138672870,1sleep10-21swapper/109:31:201
31612860,3sleep30-21swapper/310:21:243
225202860,1sleep022518-21sshd10:15:480
2394828432,48sleep10-21swapper/107:07:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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