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2026-05-01 - 06:53
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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 Fri May 01, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
567399210886105414,105467cyclictest0-21swapper00:26:470
567399210825105374,105449cyclictest0-21swapper19:38:540
56739910614553051,53092cyclictest0-21swapper20:40:520
56739910612553039,53084cyclictest0-21swapper19:24:500
56739910611953004,53113cyclictest0-21swapper21:41:590
56739910610653020,53084cyclictest0-21swapper22:09:570
56739910609253021,53069cyclictest0-21swapper00:20:550
56739910608953056,53031cyclictest14450-21ssh00:39:100
56739910608652998,53086cyclictest0-21swapper21:59:440
56739910607552986,53087cyclictest0-21swapper21:36:380
56739910564653031,52612cyclictest22345-21ssh00:04:200
56739910545152935,52514cyclictest11868-21ssh22:20:300
56739910528852953,52333cyclictest6701-21ssh22:58:410
56739910521853088,52128cyclictest0-21swapper21:31:360
56739910513753044,52091cyclictest0-21swapper19:54:180
56739910513553042,52091cyclictest0-21swapper21:20:330
56739910513353037,52094cyclictest0-21swapper21:05:090
56739910513053018,52110cyclictest0-21swapper20:16:250
56739910512953029,52098cyclictest0-21swapper22:26:520
56739910512753032,52093cyclictest0-21swapper22:48:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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