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2026-06-12 - 09:38
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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 rackaslot0.osadl.org (updated Fri Jun 12, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3102421080,0sleep10-21swapper/123:20:451
3102421080,0sleep10-21swapper/123:20:451
3154621020,1sleep031544-21sshd23:09:220
115322970,0sleep011530-21sshd21:26:330
305522930,0sleep119017-21diskmemload23:32:141
245032770,0sleep10-21swapper/100:09:161
229872680,1sleep322988-21bash00:11:593
79462630,0sleep20-21swapper/222:55:372
16282630,0sleep00-21swapper/021:14:110
209572620,1sleep00-21swapper/021:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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