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2026-05-15 - 19:07
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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
Characteristics of the 10 highest latencies:
System rack5slot0.osadl.org (updated Fri May 15, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2099829733,43sleep10-21swapper/107:08:041
296872960,0sleep041ktimersoftd/009:39:230
160862950,0sleep041ktimersoftd/012:11:230
246812890,2sleep20-21swapper/210:54:482
165612880,0sleep00-21swapper/011:08:040
94942860,2sleep00-21swapper/009:30:090
232022860,2sleep323196-21bash09:45:233
2099528633,49sleep30-21swapper/307:08:023
208772860,0sleep220871-21sshd10:23:532
192162850,3sleep30-21swapper/311:11:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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