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2026-07-19 - 17:35
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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 rack3slot0.osadl.org (updated Sun Jul 19, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
239989911096,14cyclictest49-21ksoftirqd/409:09:534
150402950,2sleep22398799cyclictest09:42:552
217792940,2sleep12398299cyclictest09:16:031
292812890,0sleep70-21swapper/710:49:247
24000998929,23cyclictest756-21sshd09:09:525
46262810,0sleep40-21swapper/412:32:534
143962770,1sleep714373-21bash09:39:167
56672750,0sleep10-21swapper/109:33:171
131192730,0sleep30-21swapper/309:30:073
17962580,0sleep00-21swapper/011:42:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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