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2026-05-08 - 06:23
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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 08, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298269910696153420,53449cyclictest0-21swapper22:26:460
298269910669653471,53104cyclictest10721-21rm23:20:510
298269910667853424,53162cyclictest0-21swapper21:08:230
298269910666153466,53131cyclictest9-21ksoftirqd/023:54:110
298269910654653386,53094cyclictest0-21swapper19:59:440
298269910651453476,53038cyclictest0-21swapper22:16:330
298269910650953432,53077cyclictest0-21swapper20:18:390
298269910650053472,53028cyclictest0-21swapper23:47:390
298269910649253467,53025cyclictest0-21swapper23:33:350
298269910644653397,53049cyclictest0-21swapper21:19:060
298269910644553467,52978cyclictest0-21swapper20:26:310
298269910644553437,53008cyclictest0-21swapper23:28:040
298269910644153400,53041cyclictest0-21swapper19:48:100
298269910643753458,52979cyclictest0-21swapper23:41:480
298269910639153444,52852cyclictest17273-21ssh00:16:580
298269910637253465,52845cyclictest9-21ksoftirqd/021:03:020
298269910633653151,53182cyclictest0-21swapper19:17:510
298269910631753462,52855cyclictest0-21swapper20:55:400
298269910626453409,52855cyclictest0-21swapper20:47:470
298269910623853412,52826cyclictest0-21swapper20:10:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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