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2026-06-05 - 01:09
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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 Jun 04, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
82142780,0sleep30-21swapper/310:53:163
112692730,2sleep6653899cyclictest11:08:256
315842720,2sleep4652399cyclictest10:58:224
630625341,8sleep70-21swapper/707:08:187
278642500,0sleep30-21swapper/311:46:423
121542500,1sleep557-21ksoftirqd/512:28:495
275342490,0sleep30-21swapper/309:26:423
311232480,1sleep731126-21id10:19:007
309292480,0sleep50-21swapper/510:33:565
317492470,1sleep431750-21grep10:52:454
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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