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2026-09-01 - 07:57
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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 10 highest latencies:
System rack6slot6 (updated Tue Sep 01, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27089910707753407,53579cyclictest0-21swapper23:27:540
27089910672353467,53165cyclictest10-21rcuc/022:35:290
27089910672353432,53198cyclictest0-21swapper20:32:230
27089910664553390,53163cyclictest0-21swapper19:32:260
27089910664253437,53140cyclictest9-21ksoftirqd/022:18:040
27089910656653394,53107cyclictest0-21swapper22:31:180
27089910655953424,53037cyclictest1828-21hald-addon-acpi19:40:480
27089910655853449,53109cyclictest0-21swapper21:08:140
27089910655453421,53042cyclictest0-21swapper23:49:400
27089910654653417,53037cyclictest0-21swapper19:47:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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