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2026-04-03 - 10:17
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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 Apr 03, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
204829910688453420,53399cyclictest134850irq/9-eth022:12:230
204829910679853435,53272cyclictest9-21ksoftirqd/022:16:140
204829910668453412,53208cyclictest5350irq/9-uhci_hcd:23:01:580
204829910666453473,53191cyclictest0-21swapper00:38:250
204829910666353395,53173cyclictest0-21swapper21:53:480
204829910660953464,53081cyclictest9-21ksoftirqd/022:21:360
204829910660653471,53135cyclictest0-21swapper19:30:470
204829910659253468,53124cyclictest0-21swapper19:19:030
204829910652953459,52973cyclictest2099-21runrttasks19:53:230
204829910650853472,53036cyclictest0-21swapper23:08:190
204829910650053392,53108cyclictest0-21swapper21:21:190
204829910648753463,53024cyclictest0-21swapper23:42:390
204829910648753422,53065cyclictest0-21swapper23:47:110
204829910647153413,53058cyclictest0-21swapper19:27:060
204829910647053453,53017cyclictest0-21swapper22:26:470
204829910644853399,53049cyclictest0-21swapper00:26:320
204829910643653447,52989cyclictest0-21swapper20:14:390
204829910642853432,52996cyclictest0-21swapper21:10:460
204829910642753389,53038cyclictest0-21swapper00:00:240
204829910639753408,52922cyclictest9-21ksoftirqd/020:05:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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