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2026-08-06 - 10:05
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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 Thu Aug 06, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2210521330,1sleep13014799cyclictest23:08:161
2723521220,4sleep13014799cyclictest21:30:291
3211821210,3sleep33014999cyclictest21:54:523
2332621200,1sleep10-21swapper/121:24:231
2830821040,3sleep20-21swapper/221:21:562
29573210032,41sleep30-21swapper/319:06:153
25532980,2sleep12543-21bash21:37:221
2963529432,40sleep10-21swapper/119:07:011
22812940,2sleep12275-21sshd21:55:051
125982940,2sleep00-21swapper/022:55:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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