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2026-05-28 - 06:56
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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 Thu May 28, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34779917019,98cyclictest14872-21sshd23:13:185
279372900,2sleep5347799cyclictest23:17:465
48672770,1sleep34866-21systemd21:47:493
3461997673,2cyclictest1844-21nfsd23:13:183
348399585,52cyclictest14816-21bash23:13:186
115452570,1sleep665-21ksoftirqd/623:42:386
303882550,0sleep40-21swapper/421:39:574
295425442,8sleep30-21swapper/319:04:543
323992530,0sleep00-21swapper/000:04:020
195312520,0sleep219527-21sshd22:53:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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