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2026-03-14 - 14:15
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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 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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