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2025-12-31 - 13:48
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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 Dec 31, 2025 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315139910707053449,53556cyclictest9-21ksoftirqd/023:21:450
315139910696853482,53420cyclictest0-21swapper21:01:450
315139910681353410,53308cyclictest2099-21runrttasks22:36:520
315139910670453438,53266cyclictest0-21swapper19:52:150
315139910664353431,53212cyclictest0-21swapper23:07:010
315139910658053396,53094cyclictest9-21ksoftirqd/022:04:430
315139910656453472,53001cyclictest0-21swapper21:36:550
315139910654053386,53064cyclictest0-21swapper19:49:040
315139910653653419,53117cyclictest0-21swapper21:49:190
315139910651753419,53098cyclictest0-21swapper20:15:420
315139910651153474,53037cyclictest0-21swapper22:51:570
315139910651053427,53083cyclictest0-21swapper23:17:240
315139910647553457,53018cyclictest0-21swapper19:14:440
315139910647253411,53061cyclictest0-21swapper21:44:070
315139910647053459,53011cyclictest0-21swapper21:51:390
315139910645453449,53005cyclictest0-21swapper22:48:160
315139910645153402,53049cyclictest0-21swapper00:36:170
315139910645153401,53050cyclictest0-21swapper22:24:390
315139910643953396,53043cyclictest0-21swapper21:24:420
315139910641053423,52987cyclictest0-21swapper23:45:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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