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2025-12-29 - 06:26
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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 Mon Dec 29, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238049910703553411,53533cyclictest0-21swapper00:19:120
238049910687553451,53424cyclictest0-21swapper22:17:370
238049910675653418,53273cyclictest0-21swapper20:39:490
238049910657953416,53163cyclictest0-21swapper19:16:350
238049910656553461,53104cyclictest0-21swapper19:42:430
238049910655653426,53037cyclictest0-21swapper20:46:110
238049910651653481,53035cyclictest0-21swapper00:08:090
238049910651653461,53055cyclictest0-21swapper22:36:430
238049910651453472,53042cyclictest0-21swapper21:55:110
238049910650653427,53079cyclictest0-21swapper22:53:380
238049910649253472,53020cyclictest0-21swapper20:34:280
238049910648553462,53023cyclictest0-21swapper21:00:450
238049910648453420,53064cyclictest0-21swapper00:11:400
238049910647553456,53019cyclictest0-21swapper00:25:040
238049910647353461,53012cyclictest0-21swapper00:33:060
238049910645653406,53050cyclictest0-21swapper22:46:360
238049910644953444,53005cyclictest0-21swapper22:27:500
238049910644853403,53045cyclictest0-21swapper21:06:170
238049910644753401,53046cyclictest0-21swapper00:37:480
238049910643853441,52997cyclictest0-21swapper22:12:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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