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2026-03-14 - 22:56
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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 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292539910712553404,53624cyclictest2099-21runrttasks08:48:580
292539910692953405,53459cyclictest9-21ksoftirqd/009:25:490
292539910690053422,53414cyclictest3950irq/9-acpi11:07:180
292539910667153415,53256cyclictest0-21swapper12:24:200
292539910660053413,53095cyclictest9-21ksoftirqd/010:49:430
292539910655553377,53112cyclictest0-21swapper09:58:280
292539910655253404,53148cyclictest0-21swapper10:55:040
292539910654853390,53069cyclictest0-21swapper07:11:400
292539910650053453,53047cyclictest0-21swapper07:58:440
292539910650053443,53057cyclictest0-21swapper12:04:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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