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2026-04-13 - 16:54
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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 Apr 13, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2609721220,0sleep226098-21sshd10:15:112
1599321220,0sleep315994-21bash12:36:353
1675821190,3sleep02962799cyclictest10:24:270
29157210632,45sleep30-21swapper/307:07:293
2931528827,40sleep10-21swapper/107:09:281
165732860,1sleep10-21swapper/111:06:271
142562860,2sleep30-21swapper/312:00:203
50682850,2sleep35067-21sshd10:26:343
48682850,2sleep10-21swapper/109:22:521
285962840,2sleep20-21swapper/211:25:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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