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2026-05-03 - 00:33
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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 May 02, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250639910710753480,53529cyclictest2121-21ssh09:45:230
250639910695553388,53473cyclictest10015-21diskmemload12:13:250
250639910695253392,53439cyclictest2099-21runrttasks10:49:410
250639910689853392,53442cyclictest9-21ksoftirqd/011:56:200
250639910683653466,53274cyclictest2403-21ssh11:22:000
250639910674253414,53263cyclictest9-21ksoftirqd/011:41:560
250639910663853467,53171cyclictest0-21swapper10:24:040
250639910655953393,53101cyclictest0-21swapper10:38:580
250639910651753431,53086cyclictest0-21swapper11:00:540
250639910651453480,53034cyclictest0-21swapper11:32:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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