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2026-03-14 - 04:01
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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 Sat Mar 14, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263989910735053466,53788cyclictest2099-21runrttasks20:28:450
263989910717053427,53646cyclictest2099-21runrttasks19:59:160
263989910716053459,53636cyclictest134850irq/9-eth000:02:360
263989910714853407,53618cyclictest966-21ssh22:09:040
263989910679053467,53232cyclictest0-21swapper21:00:040
263989910669653456,53240cyclictest0-21swapper22:32:000
263989910662453399,53225cyclictest0-21swapper20:39:080
263989910659753443,53062cyclictest0-21swapper20:19:120
263989910657253398,53110cyclictest0-21swapper20:48:510
263989910655653430,53028cyclictest1907-21snmpd21:26:110
263989910652153478,53043cyclictest0-21swapper21:55:200
263989910651753424,53093cyclictest0-21swapper19:37:200
263989910650853418,53090cyclictest0-21swapper20:55:230
263989910647453461,53013cyclictest0-21swapper00:36:460
263989910645553406,53049cyclictest0-21swapper22:27:590
263989910643653398,53038cyclictest0-21swapper21:15:380
263989910642653424,53002cyclictest0-21swapper22:49:450
263989910642153429,52992cyclictest0-21swapper23:38:300
263989910633953395,52852cyclictest0-21swapper00:34:060
263989910628553386,52899cyclictest0-21swapper23:25:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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