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2026-06-03 - 07:33
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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 Wed Jun 03, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
218049910706553424,53520cyclictest21056-21ssh22:22:210
218049910695353417,53472cyclictest950ksoftirqd/021:21:130
218049910690853482,53426cyclictest0-21swapper21:39:380
218049910677653415,53265cyclictest25869-21ssh21:41:290
218049910667153419,53161cyclictest0-21swapper20:29:580
218049910667053458,53212cyclictest0-21swapper23:00:010
218049910662153477,53144cyclictest0-21swapper23:26:090
218049910658853408,53115cyclictest0-21swapper22:30:330
218049910654353451,53002cyclictest2835-21rm23:30:300
218049910653153437,53094cyclictest0-21swapper21:08:590
218049910651253471,53041cyclictest0-21swapper00:31:480
218049910651053474,53036cyclictest0-21swapper21:47:100
218049910650253469,53033cyclictest0-21swapper19:21:390
218049910648453464,53020cyclictest0-21swapper22:44:370
218049910646253455,53007cyclictest0-21swapper23:58:280
218049910646053406,53054cyclictest0-21swapper23:54:570
218049910645753404,53053cyclictest0-21swapper20:23:570
218049910644653403,53043cyclictest0-21swapper20:09:020
218049910643553396,53039cyclictest0-21swapper23:07:440
218049910643253437,52995cyclictest0-21swapper23:17:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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