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2026-06-04 - 09:13
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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
Characteristics of the 20 highest latencies:
System rack6slot6 (updated Thu Jun 04, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107079910726953403,53800cyclictest9-21ksoftirqd/000:11:470
107079910700353410,53497cyclictest1021-21ssh23:41:180
107079910677853446,53242cyclictest15576-21kworker/0:320:42:370
107079910655453419,53069cyclictest0-21swapper20:20:200
107079910655253418,53041cyclictest0-21swapper22:36:090
107079910655153389,53097cyclictest0-21swapper21:50:060
107079910654553388,53090cyclictest0-21swapper20:25:120
107079910650653414,53092cyclictest0-21swapper22:01:190
107079910647853458,53020cyclictest0-21swapper00:33:230
107079910647053453,53017cyclictest0-21swapper21:13:560
107079910646553452,53013cyclictest0-21swapper23:36:270
107079910645053403,53047cyclictest0-21swapper23:22:530
107079910644853403,53045cyclictest0-21swapper00:07:360
107079910644553443,53002cyclictest0-21swapper21:46:350
107079910644253440,53002cyclictest0-21swapper21:43:440
107079910643953397,53042cyclictest0-21swapper21:16:060
107079910643753447,52990cyclictest0-21swapper20:47:180
107079910642453469,52880cyclictest0-21swapper23:32:160
107079910639753414,52983cyclictest0-21swapper00:35:440
107079910629253379,52823cyclictest9-21ksoftirqd/020:15:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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