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2026-05-02 - 18:02
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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 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
250639910650753472,53035cyclictest0-21swapper11:09:170
250639910649753470,53027cyclictest0-21swapper10:29:450
250639910649753416,53081cyclictest0-21swapper09:06:510
250639910647553415,53060cyclictest0-21swapper11:45:070
250639910647453413,53061cyclictest0-21swapper12:02:120
250639910646953440,53029cyclictest0-21swapper09:58:260
250639910644653450,52996cyclictest0-21swapper11:37:250
250639910640253420,52982cyclictest0-21swapper07:30:540
250639910623653427,52746cyclictest0-21swapper07:54:000
250639910621453473,52741cyclictest0-21swapper07:14:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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